CN212318624U - Shock absorber for electric vehicle - Google Patents
Shock absorber for electric vehicle Download PDFInfo
- Publication number
- CN212318624U CN212318624U CN202020717726.8U CN202020717726U CN212318624U CN 212318624 U CN212318624 U CN 212318624U CN 202020717726 U CN202020717726 U CN 202020717726U CN 212318624 U CN212318624 U CN 212318624U
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- China
- Prior art keywords
- spring
- telescopic cylinder
- damping plate
- electric vehicle
- telescopic
- 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.)
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- 230000035939 shock Effects 0.000 title claims abstract description 54
- 239000006096 absorbing agent Substances 0.000 title claims abstract description 15
- 238000013016 damping Methods 0.000 claims description 31
- 230000002146 bilateral effect Effects 0.000 claims description 4
- 238000010030 laminating Methods 0.000 claims 1
- 238000010521 absorption reaction Methods 0.000 abstract description 21
- 230000006835 compression Effects 0.000 description 5
- 238000007906 compression Methods 0.000 description 5
- 230000000694 effects Effects 0.000 description 4
- 206010066054 Dysmorphism Diseases 0.000 description 1
- 230000004075 alteration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 230000001771 impaired effect Effects 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
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- Vibration Dampers (AREA)
- Vehicle Body Suspensions (AREA)
Abstract
The utility model discloses a shock absorber for an electric vehicle, which comprises an upper shock absorption plate and a lower shock absorption plate, wherein the middle position of the lower surface of the upper shock absorption plate is fixedly provided with one end of a telescopic rod, the middle position of the upper surface of the lower shock absorption plate is fixedly provided with one end of a telescopic cylinder, the inner part of the telescopic cylinder is connected with a piston in a sliding way, the other end of the telescopic rod penetrates through the other end of the telescopic cylinder and is fixed at the upper surface position of the piston, the lower surface of the upper shock absorption plate and the two sides of the telescopic cylinder are symmetrically connected with spring caps, the upper surface of the lower shock absorption plate and the two sides of the telescopic cylinder are also symmetrically connected with spring caps, a main spring is arranged between the spring caps at each side, the main spring and the auxiliary spring of the utility model are convenient to be disassembled and maintained, and simultaneously, the main spring and the auxiliary spring are, thereby reducing the service life.
Description
Technical Field
The utility model relates to a bumper shock absorber technical field, specific field is a bumper shock absorber for electric motor car.
Background
Electric vehicles, namely electric drive vehicles, are also known as electric drive vehicles. Electric vehicles are classified into alternating current electric vehicles and direct current electric vehicles. Generally, an electric vehicle is a vehicle that uses a battery as an energy source, and converts electric energy into mechanical energy through a controller, a motor and other components to move so as to control the current and change the speed. With the continuous development of the electric vehicle industry, the competition of the electric vehicle industry is more and more intense, and each part of the electric vehicle industry needs to reasonably control the production cost.
Electric bicycle receives the low income stratum in the city with its functional advantage cheap, convenient, environmental protection and favours, for improving the ride comfort of electric motor car, installs the bumper shock absorber between frame and the wheel, and current bumper shock absorber is dismantled inconveniently, in case the spring on the bumper shock absorber damages, and is very inconvenient when changing, and current bumper shock absorber is when the spring receives too big pressure simultaneously, and the spring will probably be compressed to the limit, reduces the life of spring.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a bumper shock absorber for electric motor car to solve the problem that proposes among the above-mentioned background art.
In order to achieve the above object, the utility model provides a following technical scheme: a shock absorber for an electric vehicle comprises an upper shock absorption plate and a lower shock absorption plate, wherein one end of a telescopic rod is fixedly arranged at the middle position of the lower surface of the upper shock absorption plate, one end of a telescopic cylinder is fixedly arranged at the middle position of the upper surface of the lower shock absorption plate, a piston is slidably connected inside the telescopic cylinder, the other end of the telescopic rod penetrates through the other end of the telescopic cylinder and is fixed at the upper surface position of the piston, two symmetrical bolts at the lower surface of the upper shock absorption plate and at the two sides of the telescopic cylinder are connected with spring caps, two symmetrical bolts at the upper surface of the lower shock absorption plate and at the two sides of the telescopic cylinder are connected with spring caps, a main spring is arranged between the spring caps at each side, two ends of the main spring respectively extend into the two spring caps, a ring body is sleeved and fixedly installed on the side wall of the telescopic cylinder, guide rods are fixedly installed at the, go up the surface of shock attenuation board and the bilateral symmetry that is located the telescopic link is equipped with the guiding hole, two the lateral wall of guide bar runs through respectively and sliding connection is in two in the guiding hole, the lateral wall that the guide bar is close to the top is equipped with the external screw thread, the top threaded connection of guide bar has the nut, the lower fixed surface of nut installs the one end of auxiliary spring, the other end fixed mounting of auxiliary spring is in the upper surface position of last shock attenuation board, auxiliary spring cup joints on the guide bar.
Preferably, the top of the telescopic cylinder and the two sides of the telescopic rod are symmetrically provided with threaded holes, and the threaded holes are connected with screws in a threaded manner.
Preferably, one end of the screw rod, which is located at the telescopic cylinder, is fixedly provided with a rubber block, and the rubber block is attached to the upper surface of the piston.
Preferably, a main connecting rod is fixedly installed in the middle of the upper surface of the upper damping plate.
Preferably, the lower surface of the lower damping plate is symmetrically and fixedly provided with auxiliary connecting rods.
Preferably, the upper and lower shock absorbing plates have the same size and are parallel to each other.
Preferably, the main spring and the sub spring are parallel to each other.
Compared with the prior art, the beneficial effects of the utility model are that: the utility model provides a bumper shock absorber for electric motor car, through the telescopic link, the cooperation setting of telescopic cylinder and piston, can make go up the shock attenuation board and separate each other or be close to the activity with lower shock attenuation board, can play fixed effect to the main spring through two spring caps on each side, make go up shock attenuation board and shock attenuation board down when receiving pressure, have shock-absorbing function, because the spring cap is through the screwed connection at last shock attenuation board or on the shock attenuation board down, so as to take off the screw through unscrewing the screw and just can change impaired main spring, it is very convenient.
Through the cooperation setting of guide bar, secondary spring and nut, when last shock attenuation board and lower shock attenuation board received pressure, also had shock-absorbing function, because the nut is threaded connection on the guide bar, so when secondary spring damages, unscrew the nut and also conveniently take off secondary spring and change.
One of main spring and auxiliary spring is that compression shock attenuation another is tensile shock attenuation to compressive force and tensile force on main spring and the auxiliary spring are with offsetting each other, in order to prevent that main spring and auxiliary spring from being compressed excessively and tensile, reduce the life of main spring and auxiliary spring, the utility model discloses main spring and auxiliary spring all conveniently dismantle the maintenance, through the reverse effort between main spring and the auxiliary spring, prevent that main spring and auxiliary spring from being compressed to the limit simultaneously, thereby have reduced life.
Drawings
Fig. 1 is a schematic view of the present invention with a partial cross section and a front view;
FIG. 2 is an enlarged schematic view of the structure at A in FIG. 1;
FIG. 3 is an enlarged view of the structure at B in FIG. 1;
fig. 4 is a schematic view of the structure of the present invention.
In the figure: 1-upper damping plate, 2-lower damping plate, 3-telescopic rod, 4-telescopic cylinder, 5-piston, 6-spring cap, 7-main spring, 8-ring body, 9-guide rod, 10-nut, 11-auxiliary spring, 12-screw, 13-rubber block, 14-main connecting rod and 15-auxiliary connecting rod.
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 shock absorber for an electric vehicle is provided, wherein the shock absorber comprises an upper shock absorption plate 1 and a lower shock absorption plate 2, the middle position of the lower surface of the upper shock absorption plate 1 is fixedly provided with one end of a telescopic rod 3, the middle position of the upper surface of the lower shock absorption plate 2 is fixedly provided with one end of a telescopic cylinder 4, the inner part of the telescopic cylinder 4 is connected with a piston 5 in a sliding way, the other end of the telescopic rod 3 penetrates through the other end of the telescopic cylinder 4 and is fixed at the upper surface position of the piston 5, the upper shock absorption plate 1 and the lower shock absorption plate 2 can be connected through the matching arrangement of the telescopic rod 3, the telescopic cylinder 4 and the piston 5, the upper shock absorption plate 1 and the lower shock absorption plate 2 can be separated from each other or close to each other, the symmetrical screws on the lower surface of the upper shock absorption plate 1 and on the two sides of the telescopic cylinder 3 are connected with spring caps, a main spring 7 is arranged between the two spring caps 6 on each side, two ends of the main spring 7 respectively extend into the two spring caps 6, the spring caps 6 are connected to the upper damping plate 1 or the lower damping plate 2 through screws, so that the damaged main spring 7 can be replaced by only taking off the spring caps 6 through screwing off the screws, the side wall of the telescopic cylinder 4 is sleeved and fixedly provided with a ring body 8, guide rods 9 are symmetrically and fixedly arranged on the upper surface of the ring body 8 and positioned on two sides of the telescopic cylinder 4, guide holes are symmetrically arranged on the surface of the upper damping plate 1 and positioned on two sides of the telescopic rod 3, the side walls of the two guide rods 9 respectively penetrate through and are slidably connected in the two guide holes, the side wall of the guide rod 9 close to the top end is provided with an external thread, the top end of the guide rod 9 is in threaded connection with a nut 10, and one end of an auxiliary spring 11 is fixedly arranged on the lower surface of the, the other end of the auxiliary spring 11 is fixedly installed on the upper surface of the upper damping plate 1, the auxiliary spring 11 is sleeved on the guide rod 9, and the nut 10 is in threaded connection with the guide rod 9, so that when the auxiliary spring 11 is damaged, the auxiliary spring 11 can be conveniently taken down and replaced by unscrewing the nut 10.
Specifically, the top of telescopic cylinder 4 and the bilateral symmetry that is located telescopic link 3 are equipped with the screw hole, screw hole female connection has screw rod 12.
Specifically, the screw 12 is fixedly provided with the rubber block 13 at one end of the telescopic cylinder 4, the rubber block 13 is attached to the upper surface of the piston 5, and the main spring 7 can be properly compressed by the matching arrangement of the screw 12 and the rubber block 13, so that the two ends of the main spring 7 are pressed in the two spring caps 6, and the main spring 7 is prevented from being separated from the two spring caps 6.
Specifically, the middle position of the upper surface of the upper damping plate 1 is fixedly provided with a main connecting rod 14, and the main connecting rod 14 is connected with the frame body of the electric vehicle.
Specifically, the lower surface of the lower damping plate 2 is symmetrically and fixedly provided with an auxiliary connecting rod 15, and the lower damping plate is connected with the wheel of the electric vehicle through the auxiliary connecting rod 15.
Specifically, the upper and lower shock absorbing plates 1 and 2 are the same in size and parallel to each other.
Specifically, the main spring 7 and the sub spring 11 are parallel to each other, and are arranged in parallel, and the direction of the compression force and the direction of the tension force are opposite and parallel to each other, so that the effect is further improved when the directions are offset from each other.
The working principle is as follows: in the utility model, the upper damping plate 1 and the lower damping plate 2 can be connected through the matching arrangement of the telescopic rod 3, the telescopic cylinder 4 and the piston 5, and the upper damping plate 1 and the lower damping plate 2 can be separated from each other or can be close to the activity, the main spring 7 can be fixed through the two spring caps 6 on each side, so that the upper damping plate 1 and the lower damping plate 2 have the damping function when being pressed, because the spring caps 6 are connected on the upper damping plate 1 or the lower damping plate 2 through screws, the damaged main spring 7 can be replaced only by taking down the spring caps 6 through screwing down the screws, the telescopic cylinder 4 can be fixed through the ring body 8, because the side wall of the guide rod 9 slides in the guide hole of the upper damping plate 1, through the matching arrangement of the auxiliary spring 11 and the nut 10, when the upper damping plate 1 and the lower damping plate 2 are pressed, also has the shock-absorbing function, because the nut 10 is screwed on the guide rod 9, when the secondary spring 11 is damaged, the screw cap 10 is conveniently taken down to replace the secondary spring 11 when being unscrewed, one of the main spring 7 and the secondary spring 11 is compression shock-absorbing, the other is extension shock-absorbing, so that the compression force and the extension force on the main spring 7 and the secondary spring 11 are neutralized and offset with each other, so as to prevent the main spring 7 and the secondary spring 11 from being excessively compressed and extended, reduce the service life of the main spring 7 and the secondary spring 11, through the matching arrangement of the screw 12 and the rubber block 13, the main spring 7 can be properly in a compression state, prevent the main spring 7 from being separated from the two spring caps 6, is connected with the frame body of the electric vehicle through the main connecting rod 14, and is connected with the wheels of the electric vehicle through the secondary connecting rod 15, the utility model discloses the main spring 7 and the secondary spring 11 are both convenient to be disassembled and maintained, and, the main spring 7 and the sub spring 11 are prevented from being compressed to the limit, thereby reducing the service life.
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 description with the record of drawing of description, 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, including circuit connection adopts conventional connection mode among the prior art, does not detailed here 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 bumper shock absorber for electric motor car, includes shock attenuation board (1) and lower shock attenuation board (2), its characterized in that: the middle position of the lower surface of the upper damping plate (1) is fixedly provided with one end of a telescopic rod (3), the middle position of the upper surface of the lower damping plate (2) is fixedly provided with one end of a telescopic cylinder (4), the inside of the telescopic cylinder (4) is connected with a piston (5) in a sliding manner, the other end of the telescopic rod (3) penetrates through the other end of the telescopic cylinder (4) and is fixed on the upper surface of the piston (5), the lower surface of the upper damping plate (1) is connected with spring caps (6) through symmetrical screws positioned on two sides of the telescopic rod (3), the upper surface of the lower damping plate (2) is connected with the spring caps (6) through symmetrical screws positioned on two sides of the telescopic cylinder (4), a main spring (7) is arranged between the spring caps (6) on each side, two ends of the main spring (7) extend into the spring caps (6) respectively, the side wall of the telescopic cylinder (4) is sleeved and is fixedly provided with a ring body, the upper surface of ring body (8) and the bilateral symmetry fixed mounting that is located telescopic cylinder (4) have guide bar (9), the surface of going up shock attenuation board (1) and the bilateral symmetry that is located telescopic link (3) are equipped with the guiding hole, two the lateral wall of guide bar (9) runs through respectively and sliding connection is in two in the guiding hole, the lateral wall that guide bar (9) are close to the top is equipped with the external screw thread, the top threaded connection of guide bar (9) has nut (10), the lower fixed surface of nut (10) installs the one end of vice spring (11), the other end fixed mounting of vice spring (11) is in the upper surface position of last shock attenuation board (1), vice spring (11) cup joint on guide bar (9).
2. The damper for electric vehicle according to claim 1, characterized in that: the top of a telescopic cylinder (4) and the two sides of the telescopic rod (3) are symmetrically provided with threaded holes, and the threaded holes are internally connected with screw rods (12).
3. The damper for electric vehicle according to claim 2, characterized in that: the screw rod (12) is located the one end fixed mounting of telescopic cylinder (4) and has rubber block (13), rubber block (13) laminating is in the upper surface position of piston (5).
4. The damper for electric vehicle according to claim 1, characterized in that: and a main connecting rod (14) is fixedly arranged in the middle of the upper surface of the upper damping plate (1).
5. The damper for electric vehicle according to claim 1, characterized in that: and auxiliary connecting rods (15) are symmetrically and fixedly arranged on the lower surface of the lower damping plate (2).
6. The damper for electric vehicle according to claim 1, characterized in that: the upper damping plate (1) and the lower damping plate (2) are the same in size and are parallel to each other.
7. The damper for electric vehicle according to claim 1, characterized in that: the main spring (7) and the auxiliary spring (11) are parallel to each other.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020717726.8U CN212318624U (en) | 2020-05-06 | 2020-05-06 | Shock absorber for electric vehicle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020717726.8U CN212318624U (en) | 2020-05-06 | 2020-05-06 | Shock absorber for electric vehicle |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212318624U true CN212318624U (en) | 2021-01-08 |
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ID=74024047
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020717726.8U Expired - Fee Related CN212318624U (en) | 2020-05-06 | 2020-05-06 | Shock absorber for electric vehicle |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212318624U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113001159A (en) * | 2021-02-01 | 2021-06-22 | 江西湛蓝再生资源回收利用有限责任公司 | Spring recovery device of spring shock absorber |
| CN113464597A (en) * | 2021-08-02 | 2021-10-01 | 常州大学 | Variable damping force metal vibration isolator with rigidity decoupling function and damping decoupling function |
-
2020
- 2020-05-06 CN CN202020717726.8U patent/CN212318624U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113001159A (en) * | 2021-02-01 | 2021-06-22 | 江西湛蓝再生资源回收利用有限责任公司 | Spring recovery device of spring shock absorber |
| CN113001159B (en) * | 2021-02-01 | 2022-10-21 | 江门星火减震器有限公司 | Spring recovery device of spring shock absorber |
| CN113464597A (en) * | 2021-08-02 | 2021-10-01 | 常州大学 | Variable damping force metal vibration isolator with rigidity decoupling function and damping decoupling 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 |
Granted publication date: 20210108 |
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| CF01 | Termination of patent right due to non-payment of annual fee |