CN210478616U - Novel energy-absorbing structure for automobile end - Google Patents
Novel energy-absorbing structure for automobile end Download PDFInfo
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- CN210478616U CN210478616U CN201921231927.0U CN201921231927U CN210478616U CN 210478616 U CN210478616 U CN 210478616U CN 201921231927 U CN201921231927 U CN 201921231927U CN 210478616 U CN210478616 U CN 210478616U
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- outer sleeve
- hole
- energy
- fixedly connected
- head tube
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Abstract
The utility model provides a car tip energy-absorbing new construction relates to the automobile manufacturing technology field. This new structure of car tip energy-absorbing, including the head tube, a pot head of head tube is equipped with the back pipe, and the equal fixedly connected with end plate in a side that head tube and back pipe kept away from each other, the head tube includes first outer sleeve, the one end that first outer sleeve is close to the back pipe has been seted up and has been the ring form step, first through-hole and second through-hole have been seted up to the inside of first outer sleeve, and first through-hole and second through-hole communicate. This new structure of car tip energy-absorbing through setting up the head tube, under the effect of drift, can make head tube and drift compelled to impress in the inside of the outer sleeve of second under the effect of external force impact, compel the outer sleeve pipe wall radial expansion of second and warp and absorb this impact energy, make solebar and passenger cabin structure as far as not destroyed, and the device keeps motionless when the impact is less than certain load, and the impact energy is absorbed by car front end fender bar.
Description
Technical Field
The utility model relates to an automobile manufacturing technical field specifically is a new structure of car tip energy-absorbing.
Background
In the case of a frontal collision of a vehicle, firstly, from the viewpoint of protecting the safety of the occupants, the impact energy generated by the frontal collision is reduced or prevented as much as possible from causing injury to the occupants. Deformation energy absorbing devices are generally arranged at the front part or the rear part of the automobile to improve the front passive safety of the automobile.
The current more buffering energy-absorbing mode that uses has: the energy absorption box absorbs energy, the filling material absorbs energy and the hydraulic buffer absorbs energy, the buffer energy absorption device is required to crush or deform according to an expected mode, the collision energy is fully absorbed, the energy transmitted to a passenger compartment is fully weakened, and the harm to the body of a passenger is reduced, the energy absorption box used by the existing automobile has a complex structure, when the collision deformation occurs, the crushing deformation degree of the internal crushing guide ribs is different, only a small part of the crushing guide ribs play a role of collision energy absorption, the crushing contraction effect is not good, the energy absorption function of the energy absorption box can not be fully exerted, the filling material energy absorption device installed on the existing automobile has lower weight, but has lower structural strength, complex manufacturing process and higher cost, and meanwhile, because the application energy absorption of the energy absorption box does not reach a perfect and mature stage, the hydraulic buffer device used by the existing automobile is only used on a small part of automobiles, because the hydraulic cylinder body is filled with hydraulic oil, the cylinder body is required to have good sealing effect, small parts such as a piston rod, a buffering spring and the like are arranged in the hydraulic cylinder body, the structure is complex, the cost is high, when the hydraulic cylinder collides at high speed, the hydraulic buffering device does not act in time, and the hydraulic cylinder is equivalent to a rigid rod piece and cannot play roles of buffering and energy absorption.
In conclusion, the energy-absorbing device material quantity is great relatively for the current car, and structure and manufacturing process are complicated, and the cost is higher, is unsuitable for high-speed collision, and it wastes time and energy to hit back maintenance or change moreover, and cost of maintenance is higher, in view of this, the utility model provides a novel car tip energy-absorbing device solves the above-mentioned problem that car tip energy-absorbing device exists among the prior art.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a new structure of car tip energy-absorbing can solve current car energy-absorbing device material quantity great relatively, structure and manufacturing process are complicated, the cost is higher, unsuitable high-speed collision, and it wastes time and energy to hit back maintenance or change moreover, the higher problem of cost of maintenance.
Technical scheme
In order to achieve the above purpose, the utility model adopts the following technical scheme: the utility model provides a car tip energy-absorbing new construction, includes the head tube, the pot head of head tube is equipped with the back pipe, and the equal fixedly connected with end plate in a side that head tube and back pipe kept away from each other, the head tube includes first outer sleeve, the one end that first outer sleeve is close to the back pipe has been seted up and has been the ring form step, first through-hole and second through-hole have been seted up to the inside of first outer sleeve, and first through-hole and second through-hole communicate.
The back tube includes the outer sleeve of second, the outer sleeve of second is close to the one end fixedly connected with of first outer sleeve and is the buffer layer of loudspeaker form, the outer telescopic other end fixedly connected with support of second, the outer telescopic inside of second is provided with the guide bar, and the guide bar is close to the middle part fixed connection of the one end of support and support lateral surface, the other end fixedly connected with round platform of guide bar, and the surface of round platform tip has seted up external screw thread strip way.
The outer surface of the step is fixedly connected with a punch matched with the buffer layer, the punch is sleeved inside the buffer layer, the outer surface of the punch is in contact with the inner side surface of the buffer layer, one end, far away from the support, of the guide rod extends to the inside of the second through hole, the circular table extends to the inside of the first through hole, a locking ring matched with the circular table is sleeved on the outer surface of the circular table, one end of the locking ring is in contact with a spiral ring in threaded connection on the outer surface of the circular table, and the other end of the locking ring is in contact with the inner side wall of the first.
On the basis, the other end of the circular truncated cone is connected with an adjusting gasket through a screw, and the other end of the adjusting gasket is in contact with the outer side face of the spiral ring.
By adopting the technical scheme, the spiral ring can be blocked by adjusting the gasket, and the purpose of preventing the spiral ring from loosening is achieved.
On this basis, the surface of buffer layer is provided with elasticity cylindric lock, and the one end of elasticity cylindric lock runs through the buffer layer and extends to the inside of drift.
Through adopting above-mentioned technical scheme, can reach certain power value when the head tube collision load, the spring cylindric lock is by jack-up to the head tube begins to force to impress the back pipe, thereby produces the deformation energy-absorbing.
On the basis, the first outer sleeve and the second outer sleeve are coaxial, and the compression strength value of the first outer sleeve is larger than that of the second outer sleeve.
By adopting the technical scheme, the situation that the first outer sleeve is not strong enough and is automatically damaged firstly when the device is impacted is avoided, so that the device is invalid in action.
On this basis, two the end plate all is square form, and the mounting hole has been seted up to the lateral surface of end plate.
Through adopting above-mentioned technical scheme, enable the device and pass through the end plate quick bolted connection between automobile longitudinal and fender thick stick, make the device installation and change convenience.
The utility model discloses owing to adopted above-mentioned technical scheme, following beneficial effect has:
1. the utility model discloses a set up the head tube, under the effect of drift, can make head tube and drift be forced to impress the inside of the outer sleeve of second under the effect of external force impact, force the outer sleeve pipe wall radial expansion of second and warp and absorb this impact energy, make solebar and passenger cabin structure not destroyed as far as, and the impact force keeps motionless when being less than certain load the device, the impact energy is absorbed by car front end protection thick stick, the device only surpasses just triggering under the condition of certain power value at the impact load and launches, the device has the energy-absorbing inefficiency, take up space for a short time, good stability, and low cost, advantages such as convenient change.
2. The utility model discloses a set up the elasticity cylindric lock, can be when the head tube collision load reaches a definite value, the spring cylindric lock is by jack-up to the head tube begins to force the back tube of impressing, thereby produces the deformation energy-absorbing, through setting up the end plate, enables the device and passes through the quick bolted connection of end plate between automobile longitudinal beam and fender bar, makes the device installation and change convenient.
Drawings
FIG. 1 is a schematic view of the present invention;
FIG. 2 is a cross-sectional view of a front view of the front tube of the present invention;
fig. 3 is a cross-sectional view of a rear tube elevation view of the present invention;
fig. 4 is a cross-sectional view of the front view of the present invention.
Wherein, 1, end plate; 2. a head tube; 201. a first outer sleeve; 202. a first through hole; 203. a second through hole; 204. a step; 3. a rear tube; 301. a second outer sleeve; 302. a support; 303. a buffer layer; 304. a guide bar; 305. a circular truncated cone; 4. a punch; 5. a locking ring; 6. a spiro ring; 7. an elastic cylindrical pin; 8. and adjusting the gasket.
Detailed Description
As shown in fig. 1-4, the embodiment of the utility model provides a car tip energy-absorbing new construction, including front tube 2, a pot head of front tube 2 is equipped with back pipe 3, and the equal fixedly connected with end plate 1 in a side that front tube 2 and back pipe 3 kept away from each other, two end plates 1 all are square form, and the lateral surface of end plate 1 has seted up the mounting hole, enable the device through end plate 1 quick bolted connection between automobile longitudinal beam and fender bar, it is convenient to make the device installation and change, front tube 2 includes first outer sleeve 201, first outer sleeve 201 is close to the one end of back pipe 3 and has been seted up and has been the ring form step 204, first through-hole 202 and second through-hole 203 have been seted up to the inside of first outer sleeve 201, and first through-hole 202 is linked together with second through-hole 203.
The outer surface of the step 204 is fixedly connected with a punch 4 matched with the buffer layer 303, the punch 4 is sleeved inside the buffer layer 303, the outer surface of the punch 4 is in contact with the inner side surface of the buffer layer 303, the punch 4 is conical, under the action of external force driving, the punch 4 is pressed into the second outer sleeve 301 and absorbs energy through radial expansion and deformation of the second outer sleeve 301, the outer surface of the buffer layer 303 is provided with an elastic cylindrical pin 7, one end of the elastic cylindrical pin 7 penetrates through the buffer layer 303 and extends into the punch 4, when the collision load of the front tube 2 reaches a certain force value, the spring cylindrical pin 7 is jacked up, so that the front tube 2 starts to be forcibly pressed into the rear tube 3, deformation is generated, one end of the guide rod 304, which is far away from the support 302, extends into the second through hole 203, and the circular truncated cone 305 extends into the first through hole 202, the outer surface cover of round platform 305 is equipped with the lock ring 5 with round platform 305 looks adaptation, and one end and the threaded connection of lock ring 5 spiral ring 6 in the outer surface of round platform 305 contact, and one other end of lock ring 5 contacts with the inside wall of first through-hole 202, and the other end of round platform 305 has adjusting shim 8 through the screw connection, and adjusting shim 8's the other end contacts with the lateral surface of spiral ring 6, can block spiral ring 6 through adjusting shim 8, plays the locking purpose to spiral ring 6.
When the device is used, the end plate 1 close to one end of the rear pipe 3 is connected with the automobile longitudinal beam through a bolt, the end plate 1 close to one end of the front pipe 2 is connected with the automobile protective bar through a bolt, when an automobile is collided, and the collision load exceeds a certain force value, the front pipe 2 and the punch 4 are forced to be pressed into the second outer sleeve 301, the pipe wall of the second outer sleeve 301 is forced to expand and deform radially to absorb the impact energy, the structure of the frame longitudinal beam and the passenger cabin is not damaged as far as possible, the device is kept still when the collision force is lower than the certain load, the collision energy is absorbed by the automobile front end protective bar, and the device has the advantages of high energy absorption efficiency, small occupied space, good stability, low cost, convenience in replacement and the like.
Claims (5)
1. The utility model provides a car end energy-absorbing new construction, includes head tube (2), its characterized in that: one end of the front pipe (2) is sleeved with a rear pipe (3), one side face, away from each other, of the front pipe (2) and the side face, away from the rear pipe (3), of the rear pipe are fixedly connected with an end plate (1), the front pipe (2) comprises a first outer sleeve (201), one end, close to the rear pipe (3), of the first outer sleeve (201) is provided with a circular step (204), a first through hole (202) and a second through hole (203) are formed in the first outer sleeve (201), and the first through hole (202) is communicated with the second through hole (203);
the rear tube (3) comprises a second outer sleeve (301), one end, close to the first outer sleeve (201), of the second outer sleeve (301) is fixedly connected with a horn-shaped buffer layer (303), the other end of the second outer sleeve (301) is fixedly connected with a support (302), a guide rod (304) is arranged inside the second outer sleeve (301), one end, close to the support (302), of the guide rod (304) is fixedly connected with the middle of the outer side face of the support (302), the other end of the guide rod (304) is fixedly connected with a circular truncated cone (305), and the outer surface of the end part of the circular truncated cone (305) is provided with an external thread strip;
the outer surface of the step (204) is fixedly connected with a punch (4) matched with the buffer layer (303), the punch (4) is sleeved inside the buffer layer (303), the outer surface of the punch (4) is contacted with the inner side surface of the buffer layer (303), one end, away from the support (302), of the guide rod (304) extends to the inside of the second through hole (203), the circular truncated cone (305) extends to the inside of the first through hole (202), a locking ring (5) matched with the circular truncated cone (305) is sleeved on the outer surface of the circular truncated cone (305), one end of the locking ring (5) is contacted with a spiral ring (6) which is in threaded connection with the outer surface of the circular truncated cone (305), and the other end of the locking ring (5) is contacted with the inner side wall of the first through hole (202).
2. The new structure for absorbing energy at the end of an automobile as claimed in claim 1, wherein: the other end of the circular truncated cone (305) is connected with an adjusting gasket (8) through a screw, and the other end of the adjusting gasket (8) is in contact with the outer side face of the spiral ring (6).
3. The new structure for absorbing energy at the end of an automobile as claimed in claim 1, wherein: the outer surface of the buffer layer (303) is provided with an elastic cylindrical pin (7), and one end of the elastic cylindrical pin (7) penetrates through the buffer layer (303) and extends into the punch (4).
4. The new structure for absorbing energy at the end of an automobile as claimed in claim 1, wherein: the first outer sleeve (201) and the second outer sleeve (301) are coaxial, and the compressive strength value of the first outer sleeve (201) is larger than that of the second outer sleeve (301).
5. The new structure for absorbing energy at the end of an automobile as claimed in claim 1, wherein: two end plate (1) all is square form, and the mounting hole has been seted up to the lateral surface of end plate (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921231927.0U CN210478616U (en) | 2019-08-01 | 2019-08-01 | Novel energy-absorbing structure for automobile end |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921231927.0U CN210478616U (en) | 2019-08-01 | 2019-08-01 | Novel energy-absorbing structure for automobile end |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210478616U true CN210478616U (en) | 2020-05-08 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921231927.0U Expired - Fee Related CN210478616U (en) | 2019-08-01 | 2019-08-01 | Novel energy-absorbing structure for automobile end |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210478616U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113830015A (en) * | 2020-06-23 | 2021-12-24 | 丰田自动车株式会社 | Collision energy absorbing device |
-
2019
- 2019-08-01 CN CN201921231927.0U patent/CN210478616U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113830015A (en) * | 2020-06-23 | 2021-12-24 | 丰田自动车株式会社 | Collision energy absorbing device |
| JP2022002912A (en) * | 2020-06-23 | 2022-01-11 | トヨタ自動車株式会社 | Impact energy absorption device |
| JP7409235B2 (en) | 2020-06-23 | 2024-01-09 | トヨタ自動車株式会社 | Collision energy absorption device |
| CN113830015B (en) * | 2020-06-23 | 2024-04-16 | 丰田自动车株式会社 | Collision energy absorbing device |
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| 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: 20200508 Termination date: 20210801 |
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| CF01 | Termination of patent right due to non-payment of annual fee |