CN220168421U - Electric motor car bumper shock absorber - Google Patents
Electric motor car bumper shock absorber Download PDFInfo
- Publication number
- CN220168421U CN220168421U CN202321485355.5U CN202321485355U CN220168421U CN 220168421 U CN220168421 U CN 220168421U CN 202321485355 U CN202321485355 U CN 202321485355U CN 220168421 U CN220168421 U CN 220168421U
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- Prior art keywords
- sleeve
- shock absorber
- damping
- electric vehicle
- spring
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- 230000035939 shock Effects 0.000 title claims abstract description 40
- 239000006096 absorbing agent Substances 0.000 title claims abstract description 25
- 238000013016 damping Methods 0.000 claims abstract description 41
- 239000012634 fragment Substances 0.000 claims description 7
- 229910001220 stainless steel Inorganic materials 0.000 claims description 3
- 239000010935 stainless steel Substances 0.000 claims description 3
- 210000001503 joint Anatomy 0.000 claims description 2
- 230000000694 effects Effects 0.000 claims 1
- 238000000034 method Methods 0.000 abstract description 16
- 238000004519 manufacturing process Methods 0.000 abstract description 12
- 230000008569 process Effects 0.000 abstract description 12
- 238000010521 absorption reaction Methods 0.000 abstract description 7
- 230000007547 defect Effects 0.000 abstract description 3
- 230000006835 compression Effects 0.000 description 4
- 238000007906 compression Methods 0.000 description 4
- 230000009471 action Effects 0.000 description 3
- 230000008859 change Effects 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 2
- 239000012530 fluid Substances 0.000 description 2
- 239000007788 liquid Substances 0.000 description 2
- 238000010586 diagram Methods 0.000 description 1
- 230000002401 inhibitory effect Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Landscapes
- Fluid-Damping Devices (AREA)
Abstract
The utility model relates to the technical field of electric vehicle equipment, and provides an electric vehicle shock absorber which comprises a first connecting end and a second connecting end, wherein a sleeve and a sliding rod are respectively arranged on opposite connecting sides of the first connecting end and the second connecting end, one end of the sliding rod is slidably inserted into the sleeve, a shock absorption spring is movably abutted between the sliding rod and the sleeve, a fixed disc is arranged in the sleeve, and an extension plate is arranged at the bottom of the fixed disc around the circumference of the sliding rod. The utility model overcomes the defects of the prior art, has reasonable design and compact structure, when the damping spring is rebound and reset, the elastic sheet and the damping spring are relatively separated to move, the damping spring is stretched to form resistance, and the damper is subjected to damping force in the damping and rebound processes, thereby reducing the production cost and the manufacturing process. The limiting blocks are pushed into the hollow cavities of the sleeves one by one, the clamping blocks are overturned in the process, and the limiting protrusions are abutted against the front ends of the limiting blocks, so that the damping springs can be taken down through the sleeve ends, and damaged damping springs can be replaced conveniently.
Description
Technical Field
The utility model relates to the technical field of electric vehicle equipment, in particular to an electric vehicle shock absorber.
Background
The electric vehicle shock absorber is mainly used for inhibiting vibration and impact from a road surface when the spring rebounds after absorbing the vibration, so that the running smoothness of the vehicle is improved.
In order to restrain rebound of a spring after shock absorption, a piston, oil liquid and the like are arranged in a shock absorber, so that the requirement on the manufacturing process of the shock absorber is high, the production cost of the shock absorber is increased, and therefore, the shock absorber for the electric vehicle is provided.
Disclosure of Invention
(one) solving the technical problems
Aiming at the defects of the prior art, the utility model provides the electric vehicle shock absorber, which overcomes the defects of the prior art, has reasonable design and compact structure, and solves the problems that the prior shock absorber is internally provided with a piston and oil, and the requirements on the manufacturing process and the production cost are high.
(II) technical scheme
In order to achieve the above purpose, the utility model is realized by the following technical scheme: the electric vehicle shock absorber comprises a first connecting end and a second connecting end, wherein sleeve and a sliding rod are respectively arranged on opposite connecting sides of the first connecting end and the second connecting end, one end of the sliding rod is inserted in the sleeve in a sliding manner, a damping spring is movably abutted between the sliding rod and the sleeve, a fixed disc is arranged in the sleeve, an extending plate is arranged at the bottom of the fixed disc around the circumference of the sliding rod, and a plurality of elastic sheets are uniformly arranged on one side, facing the sliding rod, of the extending plate;
the outer wall of slide bar is equipped with the boss, be equipped with buffer spring on the boss, buffer spring sets up in the middle of the extension board of circumference setting, the shell fragment tip is contradicted with buffer spring when the extension board moves along the slide bar direction.
Further, the sleeve is connected with one end of the damping spring in a propping mode through a fixed sleeve sleeved on the outer wall in a sliding mode, a cavity for accommodating the clamping block is formed in the top circumference of the fixed sleeve, the clamping block is rotationally connected in the cavity, and a limiting protrusion is arranged at the bottom of one side of the clamping block.
Further, the sleeve circumference is equipped with the cavity that can hold the stopper, and the cavity passes through the one end of spring and stopper to be connected, the stopper corresponds the fixture block setting, link up about in the stopper and be equipped with the screw hole that holds the screw, and screw thread connection is at this screw hole.
Further, the distance between the outer rings of the damping springs is gradually increased.
Further, the elastic sheet is made of stainless steel 301 or 304.
Further, the top of stopper has the gradient for the stopper keeps away from the height of sleeve side and reduces gradually.
(III) beneficial effects
The embodiment of the utility model provides an electric vehicle shock absorber. The beneficial effects are as follows:
1. when the electric motor car jolts, damping spring compression shock attenuation, shell fragment and damping spring contact, supplementary compression shock attenuation when damping spring kick-backs and resets, and shell fragment and damping spring relative separation motion this moment, damping spring are stretched and are formed the resistance, and the bumper shock absorber resilience receives damping force this moment, and shock attenuation rebound process bumper shock absorber all receive damping force, need not to use piston and fluid, have reduced manufacturing cost and manufacturing process.
2. The limiting blocks are pushed into the hollow cavities of the sleeves one by one, the clamping blocks are overturned in the process, and the limiting protrusions are abutted against the front ends of the limiting blocks, so that the damping springs can be taken down through the sleeve ends, and damaged damping springs can be replaced conveniently.
Drawings
FIG. 1 is a perspective view of the overall structure of the present utility model;
FIG. 2 is an enlarged schematic view of the structure A of FIG. 1 according to the present utility model;
FIG. 3 is a schematic cross-sectional view of the overall structure of the present utility model;
FIG. 4 is an enlarged schematic view of the structure A of FIG. 3 according to the present utility model;
FIG. 5 is a schematic perspective view of the structure of the fixing sleeve of the present utility model;
fig. 6 is a schematic diagram of the latch structure of the present utility model after being turned over.
In the figure: 1. a first connection end; 11. a sleeve; 111. a fixed plate; 112. an extension plate; 113. a spring plate; 12. a fixed sleeve; 121. a clamping block; 122. a limit protrusion; 13. a limiting block; 131. a screw; 2. a second connection end; 21. a slide bar; 211. a cam; 212. a buffer spring; 3. and a damping spring.
Detailed Description
For the purpose of making the objects, technical solutions and advantages of the embodiments of the present utility model more apparent, the technical solutions of the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model, and it is apparent that the described embodiments are some embodiments of the present utility model, but not all embodiments of the present utility model. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
Referring to fig. 1-6, an electric vehicle shock absorber comprises a first connecting end 1 and a second connecting end 2, wherein sleeve 11 and a slide bar 21 are respectively arranged on opposite connecting sides of the first connecting end 1 and the second connecting end 2, one end of the slide bar 21 is slidably inserted into the sleeve 11, a shock absorption spring 3 is movably abutted between the slide bar 21 and the sleeve 11, the inner diameter of the shock absorption spring 3 is larger than the outer diameter of the sleeve 11, the shock absorption spring 3 is conveniently taken down from the sleeve 11, a fixed disc 111 is arranged in the sleeve 11, an extension plate 112 is arranged at the bottom of the fixed disc 111 around the slide bar 21, a plurality of elastic pieces 113 are uniformly arranged on one side of the extension plate 112 facing the slide bar 21, and when the electric vehicle vibrates, the sleeve 11 and the slide bar 21 relatively move, and the fixed disc 111 drives the elastic pieces 113 to relatively move along the slide bar 21;
the outer wall of the slide bar 21 is provided with a convex disc 211, the convex disc 211 is provided with a buffer spring 212, the buffer spring 212 is arranged in the middle of the extension plate 112 which is circumferentially arranged, the end part of the elastic sheet 113 is in conflict with the buffer spring 212 when the extension plate 112 moves along the direction of the slide bar 21, and the elastic sheet 113 pushes the buffer spring 212 to move in the reciprocating motion process of the slide bar 21, so that the shock absorber is subjected to damping force in the shock absorption and shock absorption rebound process, a piston and oil liquid are not required, and the production cost and the manufacturing process are reduced.
The sleeve 11 is in butt joint with one end of the damping spring 3 through a fixed sleeve 12 sleeved on the outer wall in a sliding way, a cavity for accommodating the clamping block 121 is formed in the top of the fixed sleeve 12 in the circumferential direction, the clamping block 121 is rotatably connected in the cavity, and a limiting protrusion 122 is arranged at the bottom of one side of the clamping block 121;
the sleeve 11 circumference is equipped with the cavity that can hold stopper 13, the cavity passes through the spring and is connected with the one end of stopper 13, stopper 13 corresponds fixture block 121 setting, link up about in the stopper 13 is equipped with the screw hole that holds screw 131, and screw 131 threaded connection is at this screw hole, twist screw 131, make the bottom of screw 131 extend the screw hole and extrude the top of fixed cover 12, make the distance of fixed cover 12 and second link 2 change, further make damping spring 3 compressed degree change, be convenient for push into the cavity of sleeve 11 with stopper 13 one by one after damping spring 3 uses a period, this process is with fixture block 121 upset 180, spacing arch 122 on the fixture block 121 can support the front end at stopper 13 this moment, stopper 13 is not being spacing to fixed cover 12 this moment, can separate fixed cover 12 and sleeve 11 this moment, can take down damping spring 3 this moment, be convenient for change damping spring 3 of damage.
The distance between the outer rings of the damping springs 3 is gradually increased, the deformation of the outer ring gradually increased springs is larger when the outer rings just start to work, the elasticity is smaller, the elasticity is larger and larger when the springs continue to be pressed downwards, and the initial shock absorbing capacity is improved.
The spring plate 113 is made of stainless steel 301 or 304, so that the rebound capability of the spring plate 113 is improved.
The top of stopper 13 has the gradient for the stopper 13 keeps away from the height of sleeve 11 side and reduces gradually, and fixed cover 12 cover promotes downwards behind sleeve 11 outer wall, and stopper 13 has the gradient, makes stopper 13 retract into sleeve 11, the installation between fixed cover 12 and the sleeve 11 of being convenient for.
Working principle: when the electric motor car jolts, first link 1 and second link 2 relative motion this moment, damping spring 3 compression shock attenuation this moment, extension board 112 relative slide bar 21 motion, further make shell fragment 113 and damping spring 212 contact, supplementary compression shock attenuation, when damping spring 3 resilience is reset, this moment shell fragment 113 and damping spring 212 relatively separate the motion, this in-process damping spring 212 is stretched and is formed the resistance to shell fragment 113 and extension board 112, receive damping force when first link 1 and second link 2 are reset relatively this moment, the bumper shock absorber resilience receives damping force this moment, the bumper shock absorber all receives damping force at shock attenuation and shock attenuation resilience process, need not to use piston and fluid, manufacturing cost and manufacturing process have been reduced.
The limiting blocks 13 are pushed into the cavities of the sleeves 11 one by one, the clamping blocks 121 are turned over in the process, the limiting protrusions 122 are abutted against the front ends of the limiting blocks 13, the fixing sleeve 12 is taken down from the sleeves 11 at the moment, the inner diameter of the damping spring 3 is larger than the outer diameter of the sleeves 11, the damping spring 3 can be taken down at the moment, and damaged damping springs 3 can be replaced conveniently.
It is noted that relational terms such as first and second, and the like are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Moreover, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising one … …" does not exclude the presence of other like elements in a process, method, article, or apparatus that comprises the element.
The above embodiments are only for illustrating the technical solution of the present utility model, and are not limiting; although the utility model has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical scheme described in the foregoing embodiments can be modified or some technical features thereof can be replaced by equivalents; such modifications and substitutions do not depart from the spirit and scope of the technical solutions of the embodiments of the present utility model.
Claims (6)
1. The utility model provides an electric motor car bumper shock absorber, includes first link (1) and second link (2), the relative connection side of first link (1) and second link (2) is equipped with sleeve (11) and slide bar (21) respectively, slide bar (21) one end slip is inserted and is established in sleeve (11), and activity butt has damping spring (3) between slide bar (21) and sleeve (11), its characterized in that: a fixed disc (111) is arranged in the sleeve (11), an extension plate (112) is arranged at the bottom of the fixed disc (111) around the circumference of the sliding rod (21), and a plurality of elastic sheets (113) are uniformly arranged on one side of the extension plate (112) facing the sliding rod (21);
the outer wall of slide bar (21) is equipped with boss (211), be equipped with buffer spring (212) on boss (211), buffer spring (212) set up in the middle of extension board (112) of circumference setting, shell fragment (113) tip and buffer spring (212) conflict when extension board (112) are followed slide bar (21) direction motion.
2. An electric vehicle shock absorber as claimed in claim 1, wherein: the sleeve (11) is connected with one end of the damping spring (3) in a butt joint mode through a fixed sleeve (12) sleeved on the outer wall in a sliding mode, a cavity for accommodating the clamping block (121) is formed in the circumferential direction of the top of the fixed sleeve (12), the clamping block (121) is rotationally connected in the cavity, and a limiting protrusion (122) is arranged at the bottom of one side of the clamping block (121).
3. An electric vehicle shock absorber as claimed in claim 2, wherein: the sleeve (11) circumference is equipped with the cavity that can hold stopper (13), and the cavity passes through the one end of spring and stopper (13) and is connected, stopper (13) correspond fixture block (121) setting, link up from top to bottom in stopper (13) and be equipped with the screw hole that holds screw (131), and screw (131) threaded connection is at this screw hole.
4. An electric vehicle shock absorber as claimed in claim 1, wherein: the distance between the outer rings of the damping springs (3) is gradually increased.
5. An electric vehicle shock absorber as claimed in claim 1, wherein: the elastic sheet (113) is made of stainless steel 301 or 304.
6. An electric vehicle shock absorber as claimed in claim 3, wherein: the top of the limiting block (13) is provided with an inclination, so that the height of the limiting block (13) away from the sleeve (11) side is gradually reduced.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321485355.5U CN220168421U (en) | 2023-06-12 | 2023-06-12 | Electric motor car bumper shock absorber |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321485355.5U CN220168421U (en) | 2023-06-12 | 2023-06-12 | Electric motor car bumper shock absorber |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220168421U true CN220168421U (en) | 2023-12-12 |
Family
ID=89055804
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321485355.5U Active CN220168421U (en) | 2023-06-12 | 2023-06-12 | Electric motor car bumper shock absorber |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220168421U (en) |
-
2023
- 2023-06-12 CN CN202321485355.5U patent/CN220168421U/en active Active
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