CN110949265A - Shock attenuation car luggage rack - Google Patents
Shock attenuation car luggage rack Download PDFInfo
- Publication number
- CN110949265A CN110949265A CN201911214928.9A CN201911214928A CN110949265A CN 110949265 A CN110949265 A CN 110949265A CN 201911214928 A CN201911214928 A CN 201911214928A CN 110949265 A CN110949265 A CN 110949265A
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- Prior art keywords
- movable
- fixed
- rail
- supporting
- limiting
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60R—VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR
- B60R9/00—Supplementary fittings on vehicle exterior for carrying loads, e.g. luggage, sports gear or the like
- B60R9/04—Carriers associated with vehicle roof
- B60R9/045—Carriers being adjustable or transformable, e.g. expansible, collapsible
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60R—VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR
- B60R9/00—Supplementary fittings on vehicle exterior for carrying loads, e.g. luggage, sports gear or the like
- B60R9/04—Carriers associated with vehicle roof
- B60R9/048—Carriers characterised by article-gripping, -covering,-retaining, or -locking means
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Vibration Dampers (AREA)
Abstract
The invention discloses a shock-absorbing automobile luggage rack which comprises a movable rail, a fixed rail, supporting strips, supporting ropes, a limiting cover, a positioning shaft, end plates and limiting ropes, wherein clamping grooves are uniformly formed in the middle of the movable rail, flow guide parts are symmetrically arranged at the front end and the rear end of the movable rail, the supporting strips are clamped between two opposite clamping grooves, the supporting ropes penetrate through all the supporting strips which are distributed side by side, the positioning shaft is fixed at the lower end of the limiting cover, the end plates are fixed at the upper ends of the limiting cover, the positioning shaft is limited between the two opposite flow guide parts in a rotating mode, through holes are uniformly formed in the end plates, and the limiting ropes; the upper end of the fixed rail is provided with a movable groove, the lower end of the fixed rail is fixed outside the automobile roof, the lower end of the movable rail is provided with a movable block which is limited in the movable groove in a sliding manner, and two ends of the movable block are respectively connected with a single-rod damper. The invention adopts a double-track design, and utilizes the single-rod dampers with built-in shear thickening fluids at the front and rear ends to absorb shock of the movable track above, thereby greatly reducing the shaking problem caused by inertia.
Description
Technical Field
The invention relates to the technical field of automobile luggage racks, in particular to a damping automobile luggage rack.
Background
The automobile roof luggage rack is a roof carrying rack, the roof rack is two cross bars fixed on the automobile roof, and the roof rack is a basic device for all carrying schemes of the automobile roof. The fixing mode of the roof rack mainly comprises the following steps: the roof comprises a common roof, a separate longitudinal rail, an integrated longitudinal rail, a rain gutter fixing part, a fixing point increasing part and a T-shaped groove increasing part. On the basis of the transverse frame, a bicycle frame, a snowboard, a kayak, a roof box, a roof basket and other carrying frames can be carried. The automobile roof luggage rack has a wide market prospect as an automobile accessory, but most of the traditional automobile roof luggage racks are of a fixed structure, the space utilization effect is limited when luggage is placed, the fixing is difficult, the luggage is easy to scratch and rub the roof due to the up-and-down bumping of the luggage in the driving process, the fixing of the roof luggage is influenced due to the bumping and the wind resistance, the driving and luggage placing are unsafe, even traffic accidents are caused, the automobile can also raise the dust on the road surface during driving, the luggage is exposed outside the roof for a long time and is easy to be exposed by the sun and covered by the dust, and the storage effect is influenced.
Therefore, the patent specification with the publication number of CN209096616U discloses a shock-absorbing automobile luggage rack, which comprises bed legs, a bed frame and a mattress, wherein the tail part of the bed frame is a bed tail frame strip, a head bracket is arranged in front of the bed tail frame strip, the head bracket comprises a supporting plate, a bracket inner frame and a bracket outer frame, the supporting plate is arranged in the bracket inner frame, the bracket inner frame is arranged in the bracket outer frame, and a supporting part is arranged below the bracket outer frame; the upper surface and the lower surface of the supporting plate are both provided with U-shaped cushions for supporting the face of a patient, and the thicknesses of the upper U-shaped cushion and the lower U-shaped cushion are different; utilize first horizontal rotating shaft to articulate between bracket inside casing and the bracket frame, the axial of first horizontal rotating shaft is horizontal vertical, utilize second horizontal rotating shaft to articulate between bracket inside casing and the layer board, and the axial of second horizontal rotating shaft perpendicular to the axial of first horizontal rotating shaft, the central axis of first horizontal rotating shaft and the distance inequality between layer board upper surface and the layer board lower surface. However, the shock-absorbing automobile luggage rack has the disadvantages that firstly, the structure is too complex, so that the production cost is high, and faults are easy to occur; secondly, the damping effect of the front and rear inertia is not ideal.
Disclosure of Invention
The present invention has been made to overcome the above-mentioned problems occurring in the conventional art, and an object of the present invention is to provide a shock-absorbing roof rack for a vehicle.
In order to achieve the technical purpose and achieve the technical effect, the invention is realized by the following technical scheme:
a shock-absorbing automobile luggage carrier comprises a movable rail, a fixed rail, a supporting strip, a supporting rope, a limiting cover, a positioning shaft, an end plate and a limiting rope, the movable rails are symmetrically distributed, a plurality of clamping grooves are uniformly formed in the middle of each movable rail, the front ends and the rear ends of the movable rails are symmetrically provided with flow guide parts, a supporting strip is clamped between the two opposite clamping grooves, the supporting strips are internally provided with rope threading channels along the length direction, the supporting ropes sequentially pass through all the supporting strips which are distributed side by side in a reciprocating way, the two free ends of the supporting ropes are fixed by binding or rope tighteners, the limiting cover is an arc-shaped cover body, the lower end of the positioning shaft is fixed with a positioning shaft, the upper end of the positioning shaft is fixed with an end plate, the positioning shaft is limited between the two opposite flow guide parts in rotation, the end plates are uniformly provided with through holes along the length direction, the limiting ropes sequentially pass through the through holes of the two end plates in a reciprocating mode, and the two free ends are fixed through binding or rope tighteners; the upper end of the fixed rail is provided with a movable groove, the lower end of the fixed rail is fixed outside the automobile roof, the lower end of the movable rail is provided with a movable block which is limited in the movable groove in a sliding manner, two ends of the movable block are respectively connected with a single-rod damper with built-in shear thickening fluid, and the outer end part of the single-rod damper is fixed on two end walls of the movable groove.
Further, in the above shock-absorbing automobile luggage rack, the movable rail and the fixed rail are made of an aluminum alloy material.
Further, in the above shock-absorbing luggage rack for a vehicle, the supporting bars are made of TPU material.
Furthermore, in the shock-absorbing automobile luggage rack, the supporting rope and the limiting rope are elastic core-spun ropes with the diameter of 6-10 mm.
Further, in the shock-absorbing automobile luggage rack, the cross section of the movable groove is in a dovetail shape with a narrow outer part and a wide inner part, and the strip-shaped block is in a matched dovetail shape.
Furthermore, in the shock-absorbing automobile luggage rack, the shear thickening fluid is a non-Newtonian fluid with reversibility and thickening property, and is in a state of concentrated colloid suspension dispersion liquid in a normal state, and the viscosity of the system is rapidly increased under the action of rapid impact, and is converted from a liquid state to a solid-like state; the free-flowing state is rapidly restored after the shock disappears.
The invention has the beneficial effects that:
the luggage rack is reasonable in structural design, the supporting strips and the supporting ropes form a lower supporting layer, the limiting ropes form an upper supporting layer, and the luggage rack can be effectively fixed by matching with the limiting covers at the front end and the rear end; meanwhile, a double-track design is adopted, and the movable track above the double-track damping device is damped by a single-rod damper with built-in shear thickening fluid at the front end and the rear end, so that the shaking problem caused by inertia is greatly reduced; the whole part layout is simple, the manufacturing process difficulty is low, and the mass production is facilitated.
Of course, it is not necessary for any one product that embodies the invention to achieve all of the above advantages simultaneously.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings used in the description of the embodiments will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained according to the drawings without creative efforts.
FIG. 1 is a schematic perspective view of the present invention;
FIG. 2 is a schematic overall front view of the present invention;
FIG. 3 is a schematic perspective view of the movable rail and the fixed rail of the present invention after separation;
FIG. 4 is a schematic front view of the movable rail and the fixed rail of the present invention after separation;
FIG. 5 is a schematic cross-sectional view of the middle end of the fixed rail of the present invention;
in the drawings, the parts are numbered as follows:
the device comprises a movable rail, a clamping groove, a guide part, a fixed rail, a supporting strip, a supporting rope, a limiting cover, a positioning shaft, an end plate, a limiting rope, a movable groove, a movable block and a single-rod damper, wherein the movable rail is 1, the clamping groove is 101, the guide part is 102, the fixed rail is 2, the supporting strip is 3, the supporting rope is 4, the limiting cover is 5, the positioning shaft is 6, the end plate is 7, the.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1-5, the present embodiment is a shock-absorbing car rack, which includes a movable rail 1, a fixed rail 2, a support bar 3, a support rope 4, a limit cover 5, a positioning shaft 6, an end plate 7 and a limit rope 8. The movable rails 1 are symmetrically distributed, a plurality of clamping grooves 101 are uniformly formed in the middle of each movable rail 1, and flow guide portions 102 are symmetrically arranged at the front end and the rear end of each movable rail 1. The supporting strips 3 are clamped between the two opposite clamping grooves 101, the rope threading channels are formed in the supporting strips 3 along the length direction, the supporting ropes 4 sequentially and repeatedly penetrate through all the supporting strips 3 which are distributed side by side, and the two free ends are fixed through binding or rope tighteners.
In this embodiment, the limiting cover 5 is an arc-shaped cover body, the lower end of which is fixed with a positioning shaft 6, and the upper end of which is fixed with an end plate 7. The positioning shaft 6 is limited between the two opposite flow guide parts 102 in rotation, and the end plate 7 is uniformly provided with through holes along the length direction. The limiting rope 8 sequentially passes through the through holes of the two end plates 7 in a reciprocating mode, and after the limiting rope passes through the through holes, the two free ends are fixed through binding or a rope tightening device.
In this embodiment, movable groove 9 has been seted up to the upper end of fixed rail 2, and the lower extreme is fixed in the roof outside. The lower end of the movable rail 1 is provided with a movable block 10 which is limited in the movable groove 9 in a sliding manner, two ends of the movable block 10 are respectively connected with a single-rod damper 11 with built-in shear thickening fluid, and the outer end part of the single-rod damper 11 is fixed on two end walls of the movable groove 9. The cross section of the movable groove 9 is in a dovetail shape with a narrow outside and a wide inside, and the strip-shaped blocks 10 are in a matched dovetail shape. The shear thickening fluid is a non-Newtonian fluid with reversibility and thickening property, a concentrated colloid suspension dispersion state is presented in a normal state, the viscosity of the system is rapidly increased under the action of rapid impact, and the system is changed from a liquid state to a quasi-solid state; the free-flowing state is rapidly restored after the shock disappears.
In this embodiment, the movable rail 1 and the fixed rail 2 are made of an aluminum alloy material.
In this embodiment, the supporting strip 3 is made of TPU material, and the TPU product has outstanding load-bearing capacity, impact resistance and shock absorption performance. The supporting rope 4 and the limiting rope 8 are elastic core-spun ropes with the diameter of 6-10 mm.
One specific application of this embodiment is: the luggage rack is reasonable in structural design, a lower supporting layer is formed by the supporting strips 3 and the supporting ropes 4, an upper supporting layer is formed by the limiting ropes 8, and luggage can be effectively fixed by matching with the limiting covers 5 at the front end and the rear end; meanwhile, a double-track design is adopted, and the single-rod dampers 11 with built-in shear thickening fluids at the front and rear ends are used for damping the movable track above, so that the shaking problem caused by inertia is greatly reduced; the whole part layout is simple, the manufacturing process difficulty is low, and the mass production is facilitated.
The preferred embodiments of the invention disclosed above are intended to be illustrative only. The preferred embodiments are not intended to be exhaustive or to limit the invention to the precise embodiments disclosed. Obviously, many modifications and variations are possible in light of the above teaching. The embodiments were chosen and described in order to best explain the principles of the invention and the practical application, to thereby enable others skilled in the art to best utilize the invention. The invention is limited only by the claims and their full scope and equivalents.
Claims (6)
1. The utility model provides a shock attenuation car luggage rack which characterized in that: comprises a movable rail, a fixed rail, a supporting strip, a supporting rope, a limiting cover, a positioning shaft, an end plate and a limiting rope, the movable rails are symmetrically distributed, a plurality of clamping grooves are uniformly formed in the middle of each movable rail, the front ends and the rear ends of the movable rails are symmetrically provided with flow guide parts, a supporting strip is clamped between the two opposite clamping grooves, the supporting strips are internally provided with rope threading channels along the length direction, the supporting ropes sequentially pass through all the supporting strips which are distributed side by side in a reciprocating way, the two free ends of the supporting ropes are fixed by binding or rope tighteners, the limiting cover is an arc-shaped cover body, the lower end of the positioning shaft is fixed with a positioning shaft, the upper end of the positioning shaft is fixed with an end plate, the positioning shaft is limited between the two opposite flow guide parts in rotation, the end plates are uniformly provided with through holes along the length direction, the limiting ropes sequentially pass through the through holes of the two end plates in a reciprocating manner, and the two free ends are fixed by binding or a rope tightener after passing through the limiting ropes; the upper end of the fixed rail is provided with a movable groove, the lower end of the fixed rail is fixed outside the automobile roof, the lower end of the movable rail is provided with a movable block which is limited in the movable groove in a sliding manner, two ends of the movable block are respectively connected with a single-rod damper with built-in shear thickening fluid, and the outer end part of the single-rod damper is fixed on two end walls of the movable groove.
2. The shock absorbing automotive roof rack of claim 1, wherein: the movable rail and the fixed rail are made of aluminum alloy materials.
3. The shock absorbing automotive roof rack of claim 1, wherein: the support bar is made of TPU material.
4. The shock absorbing automotive roof rack of claim 1, wherein: the supporting rope and the limiting rope are elastic core-spun ropes with the diameter of 6-10 mm.
5. The shock absorbing automotive roof rack of claim 1, wherein: the cross section of the movable groove is in a dovetail shape with a narrow outer part and a wide inner part, and the strip-shaped block is in a matched dovetail shape.
6. The shock absorbing automotive roof rack of claim 1, wherein: the shear thickening fluid is a non-Newtonian fluid with reversibility and thickening property, a concentrated colloid suspension dispersion state is presented in a normal state, the viscosity of the system is rapidly increased under the action of rapid impact, and the system is converted from a liquid state to a quasi-solid state; the free-flowing state is rapidly restored after the shock disappears.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911214928.9A CN110949265B (en) | 2019-12-02 | 2019-12-02 | Shock attenuation car luggage rack |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911214928.9A CN110949265B (en) | 2019-12-02 | 2019-12-02 | Shock attenuation car luggage rack |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN110949265A true CN110949265A (en) | 2020-04-03 |
| CN110949265B CN110949265B (en) | 2023-04-07 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201911214928.9A Active CN110949265B (en) | 2019-12-02 | 2019-12-02 | Shock attenuation car luggage rack |
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| Country | Link |
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| CN (1) | CN110949265B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111806350A (en) * | 2020-07-20 | 2020-10-23 | 深圳思博航空科技有限公司 | Bearing structure and vehicle |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5531367A (en) * | 1994-02-10 | 1996-07-02 | Automaxi Industries | Vehicle baggage-holder device |
| CN209096616U (en) * | 2018-11-09 | 2019-07-12 | 广州丸顺汽车配件有限公司 | A kind of shock-absorbing type car boot bracket |
-
2019
- 2019-12-02 CN CN201911214928.9A patent/CN110949265B/en active Active
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5531367A (en) * | 1994-02-10 | 1996-07-02 | Automaxi Industries | Vehicle baggage-holder device |
| CN209096616U (en) * | 2018-11-09 | 2019-07-12 | 广州丸顺汽车配件有限公司 | A kind of shock-absorbing type car boot bracket |
Non-Patent Citations (1)
| Title |
|---|
| 温金华: "滑动式汽车行李架承载结构设计", 《汽车与驾驶维修(维修版)》 * |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111806350A (en) * | 2020-07-20 | 2020-10-23 | 深圳思博航空科技有限公司 | Bearing structure and vehicle |
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| Publication number | Publication date |
|---|---|
| CN110949265B (en) | 2023-04-07 |
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