CN201882023U - Automobile nail-attracting device - Google Patents
Automobile nail-attracting device Download PDFInfo
- Publication number
- CN201882023U CN201882023U CN2010206295530U CN201020629553U CN201882023U CN 201882023 U CN201882023 U CN 201882023U CN 2010206295530 U CN2010206295530 U CN 2010206295530U CN 201020629553 U CN201020629553 U CN 201020629553U CN 201882023 U CN201882023 U CN 201882023U
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- automobile
- base
- attracting apparatus
- nail
- nail attracting
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Abstract
The utility model discloses an automobile nail-attracting device, and particularly relates to a device which uses magnetism to attract nails. The automobile nail-attracting device comprises a base, a cover plate and a plurality of magnets, wherein the base is mounted below a front fender of an automobile and is provided with a plurality of mounting grooves, the cover plate is fastened with the base, and the magnets are mounted inside the mounting grooves. The automobile nail-attracting device can attract the nails before the nails are pressed by a wheel, so that accidents are prevented in advance.
Description
Technical field
The utility model relates to a kind of automobile nail attracting apparatus, especially a kind of device that utilizes magnetic force to inhale nail.
Background technology
Tire is a kind of annular arrangement elastic rubber product that rolls the ground connection of various vehicles or mechanically assembling, is installed in usually on the alloy rim, can support vehicle body, the buffering foreign impacts, and realization contacts and guarantees the rideability of vehicle with ground-surface.Since it is invented, because its good performance has obtained to use widely.But because modern automobile all is a rubber, so in vehicle traveling process, be very easy to occur caused doughnut body drain gas by the broken phenomenon of metal nail.In order to address this problem, people have thought many ways, for example between the Tire ﹠ Tube of tire anti-prick ply are set.Described anti-prick ply has an independently cavity of one's own, acts on identical with the inner tube of a tyre.At interior tyre cavity an inner tube of a tyre is installed again, operating process is comparatively complicated, and this tire can only use once, and cost performance is lower.And for example number of patent application 2006100952221 disclosed a kind of motor tires are from tonic.Describedly form according to specific method for preparing by a series of raw materials, can after tire is pricked, rebuild a tyre automatically from tonic.But described higher from the tonic cost, easily cause environmental pollution, and belong to afterwards and remedy, and inadvisable.Between this, prior art has further improved needs.
Summary of the invention
The technical problems to be solved in the utility model is to provide a kind of automobile nail attracting apparatus, and described automobile nail attracting apparatus can siphon away sharp metal such as iron nail, prevents at iron nail on tire on the bundle.
For solving the problems of the technologies described above, the utility model adopts following technical proposals:
A kind of automobile nail attracting apparatus, comprise the base that is installed under the automobile front wing panel, with cover plate and several magnets that base fastens, described base is provided with several mounting grooves, described magnet is installed in the mounting groove.Described automobile nail attracting apparatus can before the iron nail siphon away it on wheel grinds, and takes place in the accident that prevents in advance.
Be preferable over: described magnet is an electromagnet, and the electric energy that described electromagnet needs is provided by the electrical generator of automobile.Because the controllability in electromagnet magnetic field is very strong, can regulate the size of electric current according to actual needs.
Be preferable over: described magnet is a rare earth permanent-magnetic material.Rare earth permanent-magnetic material at room temperature has higher saturation magnetization, high coercive force and big magnetic energy product, and aboundresources, has high cost performance.Especially, carry out electroless plating before rare earth permanent-magnetic material is installed, described electrodeposited coating adopts nickel-phosphorus alloy.Because the automobile nail attracting apparatus is installed in automobile front wing panel bottom, inclement condition has the higher life-span in order to guarantee rare earth permanent-magnetic material, should carry out electroplating processes before use.Described nickel-phosphorus alloy compact structure, resistance to corrosion are fit to the utility model by force to be used.
Be preferable over: described base is for refusing the magnetic material, and described cover plate is a soft-magnetic material.Preferably adopt soft-magnetic material to make described cover plate, adopt and refuse magnetic material base.Different by base and cover plate magneto-conductivity change the distribution in magnetic field.
Be preferable over: described automobile nail attracting apparatus also comprises some groups of double-screw bolts and bolt, and described base is provided with several base connecting bores, and described double-screw bolt passes the base connecting bore and screws bolt.Because the domain height of different self-propelled vehiclees differs, and is enough near in order to guarantee automobile nail attracting apparatus distance overhead, preferably adopt overhead height of this group member Control of Automobile nail attracting apparatus.
With respect to prior art, the beneficial effects of the utility model are:
The utility model siphons away tire fwd sharp metal by the magnet that is arranged in base and this cover plate, prevent tire pricked bad, with respect to prior art to remedy effect better afterwards; By the regulating action of screw rod and nut, can Control of Automobile nail attracting apparatus distance overhead, and then regulate and inhale the nail effect; Because the permeability of cover plate much larger than base, can make near the magnetic induction density of cover plate greater than base, thereby further improved the result of use of nail attracting apparatus.
Description of drawings
Fig. 1 is installed in the scheme drawing of automobile front wing panel for the utility model;
Fig. 2 is the exploded view of the utility model one preferred implementation;
Fig. 3 is the exploded view of another preferred implementation of the utility model;
Fig. 4 is the overall diagram of electromagnet described in the utility model;
Fig. 5 is the simplified model figure of automobile nail attracting apparatus described in the utility model.
The specific embodiment
In order better to understand the utility model, at first analyze the feasibility of this scheme in conjunction with Fig. 1,5:
Because automobile lappet 0 is less apart from ground-surface distance L, the width C of lappet is less, and the distance between magnet and the magnet is also less, and we can suppose that the magnetic field of front wing panel below is uniform magnetic field, and intensity is B.For uniform magnetic field, can utilize formula F=B
2S/(2 μ
0) obtain acceleration/accel a=B
2S/(2m μ
0); Simultaneously, speed of a motor vehicle v is constant, so the math modeling of sharp metal motion can be reduced to the stack of a linear uniform motion and uniformly accelrated rectilinear motion at this.Constraint condition is: before the iron nail cross travel reaches maxim, contacted lappet, i.e. (2L/a)
1/2≤ C/v.Can obtain the minimum value of magnetic induction density B by constraint condition, exist, just we think that this scheme is feasible if reach the magnet of this value.
In order to guarantee that automobile nail when grinding nail is inhaled fully on described nail attracting apparatus, should guarantee enough big magnetic induction density; And usually, we get 20mm the length C of automobile lappet 0, are generally 10mm≤L 〉=30mm apart from ground-surface distance, get L=20mm at this; The normal speed of a motor vehicle is 0≤v 〉=80km/h, and we get v=50 km/h at this; Ground sharp metal is less, the area S=2.5mm that we get its quality m=0.01kg, contact with magnetic field
2
According to more than, can guestimate minimum magnetic induction density B=0.4403T.In fact, permanent-magnet ferrite and NdFeB(third generation rare earth permanent-magnetic material) magnetization after remanent magnetism Br be about 0.4T and 1.1T respectively.Particularly, the magnetic induction line of nail attracting apparatus has more than in vertical direction and exists, and also can have certain magnetic field in lappet 0 both sides.The effect in these peripheral magnetic fields is not only provides suction, and certain transverse force can be provided, and improves the speed of the horizontal direction of iron nail.And then delay the time that wheel grind to be gone up iron nail.Therefore, this technical scheme is feasible theoretically, satisfies practicality.
A kind of automobile nail attracting apparatus shown in Fig. 2,3, comprise the base 1 that is installed under the automobile front wing panel 0, with cover plate 2 and several magnets 4 that base fastens, described base 1 is provided with several mounting grooves 11 that is used to place magnet.Cooresponding base connecting portion 12 and the cover plate connecting portion 21 of being provided with on described base 1 and the cover plate 2.The utility model has no particular limits the shape and the size of mounting groove, can come design and installation groove 11 according to the magnet of practical application.
A kind of preferred embodiment of the present utility model: the utility model can be selected electromagnet to the special restriction useless of the kind of magnet 4 for use in order to improve controllability.Further, the electric energy of described electromagnet can be provided by Vehicular accumulator cell, can be supplied with by automobile current generator, also can be transformed by the mechanical energy of the combustion engine of automobile.Need to prove, according to Biot---Sa cuts down Er Dinglv, and the differential of the magnetic induction density of electromagnet is directly proportional with the differential of electric current.For obtain bigger magnetic induction density, need a certain size electric current, so Vehicular accumulator cell is not as of the present invention preferred.Especially, realize that by combustion engine dynamo-electric the conversion needs specific device, this can increase cost of the present utility model, also should be not as preferred at this.As shown in Figure 4, electromagnet 41 connects the automobile power pack by two groups of leads 42,43.
Another preferred embodiment of the present utility model: described magnet 4 is a rare earth permanent-magnetic material.The utility model has no particular limits the concrete selection of rare earth permanent-magnetic material, but preferably adopts the higher NdFeB of cost performance.Especially, carry out electroless plating before rare earth permanent-magnetic material is installed, described electrodeposited coating adopts nickel-phosphorus alloy.Because the automobile nail attracting apparatus is installed in the front wing panel bottom, inclement condition has the higher life-span in order to guarantee rare earth permanent-magnetic material, should carry out electroplating processes before use.Described nickel-phosphorus alloy compact structure, resistance to corrosion are fit to the utility model by force to be used.
Another preferred embodiment of the present utility model: described base 1 is a diamagnetic material, and described cover plate 2 is a ferromagnetic material.The utility model has no particular limits the material of base and cover plate, for the distribution of controlling magnetic field, preferably makes base 1 with the permeability materials with smaller, with the bigger material cover plate 2 of permeability.Need to prove that the material of permeability minimum is generally superconductor, but its cost is higher, in the present embodiment not as preferred.The permeability maximum of ferromagnetic material, and the diamagnetic material permeability is lower, magnetic induction line is more passes cover plate, thereby concentrates on cover plate 2 bottoms.
A preferred embodiment more of the present utility model: described automobile nail attracting apparatus also comprises double-screw bolt 31 and bolt 32, described base 1 is provided with several base connecting bores 13, described double-screw bolt 31 1 ends are fixed on automobile front wing panel 0(in conjunction with Fig. 1) on, the other end passes base connecting bore 13 and screws bolt 32, as shown in Figure 2.Because the domain height of different self-propelled vehicle differs, and is enough near in order to guarantee automobile nail attracting apparatus distance overhead, employing can the Control of Automobile nail attracting apparatus member of height overhead.
Claims (5)
1. automobile nail attracting apparatus is characterized in that: comprise the base that is installed under the automobile front wing panel, with cover plate and several magnets that base fastens, described base is provided with mounting groove, described magnet is arranged in the mounting groove.
2. automobile nail attracting apparatus according to claim 1 is characterized in that: described magnet is an electromagnet, and the required electric energy of described electromagnet is supplied with by automobile current generator.
3. automobile nail attracting apparatus according to claim 1 is characterized in that: described magnet is a rare earth permanent-magnetic material.
4. automobile nail attracting apparatus according to claim 3 is characterized in that: described rare earth permanent-magnetic material carries out electroless plating before installation, and described electrodeposited coating adopts nickel-phosphorus alloy.
5. automobile nail attracting apparatus according to claim 1, it is characterized in that: described automobile nail attracting apparatus also comprises some groups of double-screw bolts and bolt, described base is provided with several base connecting bores, and described double-screw bolt one end is fixed on the front wing panel, and the other end passes the base connecting bore and bolt screws.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010206295530U CN201882023U (en) | 2010-11-29 | 2010-11-29 | Automobile nail-attracting device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010206295530U CN201882023U (en) | 2010-11-29 | 2010-11-29 | Automobile nail-attracting device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201882023U true CN201882023U (en) | 2011-06-29 |
Family
ID=44179560
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010206295530U Expired - Fee Related CN201882023U (en) | 2010-11-29 | 2010-11-29 | Automobile nail-attracting device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201882023U (en) |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105128790A (en) * | 2015-10-14 | 2015-12-09 | 苏州新协力特种工业模板有限公司 | Road surface nail adsorption device |
| CN105128948A (en) * | 2015-10-14 | 2015-12-09 | 苏州新协力特种工业模板有限公司 | Steel nail adsorption device for automobile |
| CN105196948A (en) * | 2015-10-14 | 2015-12-30 | 苏州新协力特种工业模板有限公司 | Tire puncture-preventing protection device |
| CN105196949A (en) * | 2015-10-14 | 2015-12-30 | 苏州新协力特种工业模板有限公司 | Tire protection device |
| CN108442299A (en) * | 2018-03-23 | 2018-08-24 | 湖南湖大艾盛汽车零部件装备制造有限公司 | A kind of automatic anti-stab safety device of tire of four motors cable type automobile |
| CN108656876A (en) * | 2018-07-01 | 2018-10-16 | 陈天翼 | Automotive tire anti-pricking system and method |
| CN112026939A (en) * | 2020-09-11 | 2020-12-04 | 安徽省安达节能科技有限公司 | Magnetic attraction nail anti-prick automobile fender |
-
2010
- 2010-11-29 CN CN2010206295530U patent/CN201882023U/en not_active Expired - Fee Related
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105128790A (en) * | 2015-10-14 | 2015-12-09 | 苏州新协力特种工业模板有限公司 | Road surface nail adsorption device |
| CN105128948A (en) * | 2015-10-14 | 2015-12-09 | 苏州新协力特种工业模板有限公司 | Steel nail adsorption device for automobile |
| CN105196948A (en) * | 2015-10-14 | 2015-12-30 | 苏州新协力特种工业模板有限公司 | Tire puncture-preventing protection device |
| CN105196949A (en) * | 2015-10-14 | 2015-12-30 | 苏州新协力特种工业模板有限公司 | Tire protection device |
| CN108442299A (en) * | 2018-03-23 | 2018-08-24 | 湖南湖大艾盛汽车零部件装备制造有限公司 | A kind of automatic anti-stab safety device of tire of four motors cable type automobile |
| CN108442299B (en) * | 2018-03-23 | 2019-08-06 | 湖南湖大艾盛汽车零部件装备制造有限公司 | A kind of automatic anti-stab safety device of tire of four motors cable type automobile |
| CN108656876A (en) * | 2018-07-01 | 2018-10-16 | 陈天翼 | Automotive tire anti-pricking system and method |
| CN112026939A (en) * | 2020-09-11 | 2020-12-04 | 安徽省安达节能科技有限公司 | Magnetic attraction nail anti-prick automobile fender |
| CN112026939B (en) * | 2020-09-11 | 2022-06-24 | 安徽省安达节能科技有限公司 | Magnetic attraction nail anti-pricking automobile fender |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20110629 Termination date: 20111129 |