CN202463485U

CN202463485U - Tire and tire assembling and disassembling system

Info

Publication number: CN202463485U
Application number: CN2011201787105U
Authority: CN
Inventors: 周立新
Original assignee: Individual
Current assignee: Individual
Priority date: 2011-01-06
Filing date: 2011-05-31
Publication date: 2012-10-03
Anticipated expiration: 2021-05-31
Also published as: CN202847348U; CN102588399A; CN102518626B; CN102582378A; CN202326550U; CN102582378B; CN202811681U; CN102423995B; CN102518626A; CN102423995A

Abstract

The utility model discloses a tire and a tire assembling and disassembling system. The tire comprises a hub and a tire, and also comprises one or a plurality of locking devices which are positioned on the hub and are used for mounting the tire on a hub of a main tire in a coaxial mode. By the utility model, various emergencies can be convenient to handle.

Description

Tire, mounting of tyre and disassembling system

Technical field

The present invention relates to a kind of tire, mounting of tyre and disassembling system.

Background technology

Vehicle can run into various emergency situations, for example in the form process; Tire breaks down, and runs into ice and snow weather etc., in the prior art; Occur after the emergency situations, the mode of the common processing of adopting is to change, use special tire (for example, in the processing of blowing out to tire; Can use a kind of special tire, this inside tires is provided with supporting construction, so that guarantee that in the back of blowing out power actuated vehicle can also safety traffic one segment distance; Again for example, use the tire have anti-skid stud), perhaps tire is handled (for example, can on tire fitting overall chain etc.).

The price comparison of special tire will be higher than conventional tyre, and uses special tire for the less emergency situations of probability of occurrence always, and for the user, cost performance is not high.And if adopt with the mode of changing tire, need serviceable tool that the fault tire dismantling is got off, and install spare tyre or nonskid tire, these dismountings and installation steps quite bother and require great effort time-consumingly, but also need some professional technique abilities to accomplish.

Summary of the invention

The main purpose of the utility model is to provide a kind of tire, mounting of tyre and disassembling system, to address the above problem at least.

An aspect according to the utility model provides a kind of tire, comprises wheel hub and tire, also comprises:

One or more securing arrangements, said one or more securing arrangements are located on the said wheel hub, and said securing arrangement is used for said tire is installed to by the mode of coaxial line the wheel hub of main tire.

Said securing arrangement is used for said tire is installed to the through hole on the wheel hub of said main tire by the mode of coaxial line; And/or, said securing arrangement be used for the wheel hub that is installed in said main tire on second securing arrangement cooperate, the mode of said tire by coaxial line is installed on the wheel hub of said main tire.

Said securing arrangement comprises one or more unidirectional locks; Said unidirectional lock comprises lock dog, first frictional contact surface and second frictional contact surface; Wherein, Said lock dog is arranged between said first frictional contact surface and second frictional contact surface by the mode that contacts with said first frictional contact surface and second frictional contact surface, between said first frictional contact surface and second frictional contact surface, forms an angle [alpha], and said angle [alpha] is designed such that said lock dog can be by the theory of machines ground work of self-locking; So that said lock dog can move freely, keep motionless and on the second direction F2 opposite, be locked with first direction on first direction F1.

Said angle [alpha] is less than or equal to the friction angle φ of the said lock dog of two-fold with respect to said first frictional contact surface and second frictional contact surface; Be α≤2 φ; So that said lock dog can be at first direction F) on move freely, keep motionless and on the second direction F2 opposite, be locked with first direction.

Said unidirectional lock also comprises: second lock dog, the 3rd frictional contact surface and the 4th frictional contact surface; Wherein, The angle of the 3rd frictional contact surface and the 4th frictional contact surface≤2 φ, φ is the friction angle of said second lock dog with respect to said the 3rd frictional contact surface and the 4th frictional contact surface; Said second frictional contact surface and said the 3rd frictional contact surface are on same object; The angle of said second frictional contact surface and said the 3rd frictional contact surface is γ; The angle of first friction face and the 4th friction face satisfies θ≤4 φ+γ so; It is motionless to be locked maintenance on the second direction F2 of realization to said second frictional contact surface and said the 3rd frictional contact surface, and on the first direction F1 opposite with second direction F2, moves freely.

Said unidirectional lock also comprises compression spring, and said compression spring applies application force to said lock dog, and in the latched position of said lock dog, this application force guarantees that said lock dog contacts with said first frictional contact surface and second frictional contact surface all the time; And/or this application force guarantees that said lock dog is all the time with said first frictional contact surface with second frictional contact surface contacts and contact with said the 3rd frictional contact surface and the 4th frictional contact surface

Said securing arrangement comprises: from lock, locking web wheel, connecting rod and one or more backstopping assembly; Wherein, Said latch wheel is positioned at said centre from lock; Said locking web wheel and said flexibly connects from lock, and the two sides of said locking web wheel is respectively second frictional contact surface and the 3rd frictional contact surface, and said two sides from lock is respectively first frictional contact surface and the 4th frictional contact surface; Said locking web wheel flexibly connects through said connecting rod and said backstopping assembly; The said locking web wheel that rotates drives said link work, and under the effect of said connecting rod, said backstopping assembly can be movable between latched position and disengaged position; In said latched position; Said backstopping assembly fixes on the wheel hub of said main tire said tyre lock, and at said disengaged position, said backstopping assembly makes said tire throw off from the wheel hub of said main tire.

On the said wheel hub that is fixed on said tire from lock or with the wheel hub one manufacturing of said tire; And/or said locking web wheel and said connecting rod flexibly connect or the one manufacturing; And/or; Said connecting rod and said backstopping assembly flexibly connect or the one manufacturing.

Said securing arrangement also comprises: main wheel sidewall adhesive parts, auxiliary wheel sidewall fixed parts, movable coupling mechanism and self-locking mechanism; Said main wheel sidewall adhesive parts cooperates with the wheel hub of said main tire; Said main wheel sidewall adhesive parts comprises: adaptation module, said adaptation module are the external type body complementary with said through hole; Said auxiliary wheel sidewall fixed parts and said tire are fixed together; Or the part of said tire; Said movable coupling mechanism with said main wheel sidewall adhesive parts and said auxiliary wheel sidewall fixed parts versatilely be linked together; And make that said main wheel sidewall adhesive parts can be movable between a latched position and a disengaged position, in said latched position, said movable coupling mechanism is locked on the wheel hub of said main tire said main wheel sidewall adhesive parts; At said disengaged position, said movable coupling mechanism makes said main wheel sidewall adhesive parts throw off from the wheel hub of said main tire; Said self-locking mechanism is arranged on the said tyre side fixed parts, and said self-locking mechanism comprises at least one said unidirectional lock, and said unidirectional lock and said movable coupling mechanism are used said main wheel sidewall adhesive parts is remained on said latched position.

Said main wheel sidewall adhesive parts comprises: backstopping assembly, and said backstopping assembly penetrates from said through hole, and in said latched position, said backstopping assembly abuts on the inboard radial face of wheel hub of said main tire.

Said movable coupling mechanism comprises connecting rod; The first end of said connecting rod and said backstopping assembly flexibly connect; The locking web wheel of the second end of said connecting rod and said self-locking mechanism flexibly connects; The said locking web wheel that rotates drives said link work, and under the effect of said connecting rod, said backstopping assembly can be movable between said latched position and said disengaged position.

Said connecting rod and said backstopping assembly are one, perhaps, said connecting rod, said backstopping assembly and said locking web wheel are one.

Said locking web wheel comprises opens concave point and locking concave point; Also be provided with fulcrum of spring on institute's wheel hub; One end of said fulcrum of spring is fixed on the said wheel hub; The other end leans on said locking web wheel, also is provided with switch on the said fulcrum of spring, and said switch is used to make said fulcrum of spring on said locking web wheel, to open concave point and said locking web wheel to lock and decide to switch between the concave point.

Said second securing arrangement is a lock; Said securing arrangement is used to lock said lock.

The cross-sectional plane of said lock is a multiaspect shape, and the vertical section of said lock is trapezoidal; Said securing arrangement comprises: lock tube, lock dog, gland, opening device; Wherein, The tracks that said lock dog is arranged between said lock tube and the said gland, said lock dog are column, and the contact surface of said lock dog, said lock dog and said lock and the contact surface of said lock dog and said lock tube constitute one or more said unidirectional locks; Said opening device comprises easing lever, and said easing lever is used to make said unidirectional lock to be in a disengaged position.

Said opening device also comprises: open cover and cam lever; Said cam lever is used to lift and depresses said unlatching cover; Said unlatching cover and the interlock of said unlatching parts, said unlatching cover acts on when opening parts, and said unlatching parts make said unidirectional lock be positioned at disengaged position.

Said second securing arrangement is a lock, and ring-type lock ditch is arranged on the said lock; Said securing arrangement comprises: lock tube, lock ball, self-locking cover, elastomeric element, gland; Wherein, The internal diameter of said lock tube matches with the diameter of said lock, has on the said lock tube and the corresponding lockhole of lock ball quantity, and said lockhole is used to inlay said lock ball; The contact surface of said self-locking cover and said lock ball is a conical surface; The contact surface of the contact surface of said lock ball, said lock ball and said lock and said lock ball and said self-locking cover constitutes one or more said unidirectional locks, and when said unidirectional lock was positioned at latched position, said self-locking cover was locked in the said ring-type lock ditch on the said lock said lock ball; When said unidirectional lock was positioned at disengaged position, said self-locking cover was thrown off said lock ball from said ring-type lock ditch; Said lock tube is provided with gland, between the upper end of the said conical surface and the said gland said elastomeric element is set, and said elastomeric element is used to provide the elastic force when making said self-locking cover be in latched position.

Said securing arrangement also comprises: cam lever; Said cam lever is arranged on the said self-locking cover, and said cam lever flexibly connects through the cam and the said self-locking cover of an end, and said cam lever can be movable between second latched position and second disengaged position; When said cam lever is positioned at said second latched position; Said self-locking cover is positioned at said latched position, and when said cam lever was positioned at said second disengaged position, said self-locking cover was positioned at said disengaged position.

Blocking device comprises: bolt, and an end of bolt is a screw thread, and the other end of bolt is the L type, and perhaps, said blocking device comprises: the hole, the check screw on hole and the main tire is complementary.

Said tire is the anti-habitual abortion of fastening nail formula; The anti-habitual abortion of said fastening nail formula comprises isolated component; Said isolated component is arranged between the inner tube of a tyre and the cover tire, and said isolated component plays the effect that the said inner tube of a tyre of protection is not damaged by anti-skid stud when anti-skid stud penetrates said cover tire inwall; Perhaps, said tire is the anti-habitual abortion of fastening nail formula, and the anti-habitual abortion of said fixed type is a solid tyre, and said anti-skid stud is arranged on the said solid tyre; Perhaps, said tire comprises anti-skid stud for the anti-habitual abortion of movable nail formula, the anti-habitual abortion of said movable nail formula, and said anti-skid stud comprises roller, anti-skid stud cover and pressure cap, and spiral nail is fixed on said anti-skid stud with said pressure cap and puts, and said roller is arranged in the said anti-skid stud cover; Said roller is used to make said hollow anti-skid stud capable of expansion and contraction; Said pressure cap is used to increase the bearing area of said hollow anti-skid stud.

Said anti-skid stud is the hollow anti-skid stud, and the centre hole of said hollow anti-skid stud gets into ice and snow or foreign material from import, and by outlet ice and snow or foreign material is discharged.

Another aspect according to the utility model also provides a kind of mounting of tyre and disassembling system, is used to install above-mentioned tire; Said system comprises step-up system; The two ends of said step-up system are keyed end and opening end respectively, and perhaps said keyed end and said opening end are positioned at an end of said step-up system, and said keyed end is used for and locks being connected of web wheel; Make said locking web wheel be in latched position through reinforcing; Said opening end comprises the projection identical with lock dog quantity, is used for the said lock dog of roof pressure, makes said unidirectional lock be in released state.

Another aspect according to the utility model; A kind of mounting of tyre and disassembling system also are provided, have been used to install above-mentioned tire, said system comprises unpowered jack; Said unpowered jack is formed with a piece two parts by climbing piece, climbs piece and passes through pivot knuckles with a piece; The said piece of climbing can rotate; The said piece of climbing can be retracted back in the piece; And can make its bottom surface in the same plane with the bottom surface of a piece through rotating, when the bottom surface of the said bottom surface of climbing piece and said piece was in same plane, said another side of climbing piece and said plane were at angle.

Through the utility model, having solved emergency case in the prior art needs changing of tire or uses special tire and the problem that causes, and then can deal with various emergency case very easily.

Description of drawings

Accompanying drawing described herein is used to provide the further understanding to the utility model, constitutes the application's a part, and illustrative examples of the utility model and explanation thereof are used to explain the utility model, do not constitute the improper qualification to the utility model.In the accompanying drawings:

Figure 1A is according to the Fast Installation that main tire of vehicle 2 and auxiliary tire 1 are fitted together of the utility model embodiment and the front view one of disassembling system;

Figure 1B is the Fast Installation that main tire of vehicle 2 and auxiliary tire 1 are fitted together of the utility model embodiment and the A-A cutaway view one of disassembling system;

Fig. 1 C is according to the Fast Installation that main tire of vehicle 2 and auxiliary tire 1 are fitted together of the utility model embodiment and the front view two of disassembling system;

Fig. 1 D is the Fast Installation that main tire of vehicle 2 and auxiliary tire 1 are fitted together of the utility model embodiment and the A-A cutaway view two of disassembling system;

Fig. 2 A is the adaptation module front view according to the utility model embodiment;

Fig. 2 B is the adaptation module A-A cutaway view according to the utility model embodiment;

Fig. 2 C is the adaptation module upward view according to the utility model embodiment;

Fig. 3 A is the front view according to the wheel hub 22 of the main tire 2 of the utility model embodiment;

Fig. 3 B is the A-A cutaway view according to the wheel hub 22 of the main tire 2 of the utility model embodiment;

Fig. 4 A be according to the utility model embodiment self-lock mechanism figure;

Fig. 4 B be according to the utility model embodiment the related application force triangle of self-lock mechanism;

Fig. 4 C be according to the utility model embodiment compound unidirectional lock schematic diagram;

Fig. 5 A is the compound unidirectional lock front view according to the utility model embodiment;

Fig. 5 B is the compound unidirectional lock A-A face cutaway view according to the utility model embodiment;

Fig. 5 C is the compound unidirectional lock B-B face cutaway view according to the utility model embodiment;

Fig. 5 D is the compound unidirectional lock C-C face cutaway view according to the utility model embodiment;

Fig. 6 A is according to the utility model embodiment one blocking device front view;

Fig. 6 B is according to the utility model embodiment one blocking device A-A face cutaway view;

Fig. 6 C is according to the utility model embodiment one blocking device upward view;

Fig. 7 is according to the utility model embodiment two blocking device cutaway views;

Fig. 8 is according to the utility model embodiment three blocking device A-A face cutaway views;

Fig. 9 A is according to the utility model embodiment five blocking device front views;

Fig. 9 B is according to the utility model embodiment five blocking device A-A face cutaway views;

Figure 10 A is according to the utility model embodiment six blocking device A-A face cutaway views;

Figure 10 B is according to the utility model embodiment six blocking device B-B face cutaway views;

Figure 11 A is according to the utility model embodiment seven blocking device A-A face cutaway views;

Figure 11 B is according to the utility model embodiment seven blocking device B-B face cutaway views;

Figure 12 A is according to the utility model embodiment eight blocking device B-B face cutaway views;

Figure 12 B is according to the utility model embodiment eight blocking device C-C face cutaway views;

Figure 12 C is according to the utility model embodiment eight blocking device A-A face cutaway views;

Figure 13 is the special tool front view according to the utility model embodiment;

Figure 14 A is the unpowered jack front view according to the utility model embodiment;

Figure 14 B is the unpowered jack A-A cutaway view according to the utility model embodiment;

Figure 15 is the nail formula nonskid tire view according to the utility model embodiment, and it illustrates anti-skid stud, cover tire, the inner tube of a tyre and the isolated component part sectional view of nail formula nonskid tire;

Figure 16 illustrates the tire part sectional view that the hollow anti-skid stud is installed.

The specific embodiment

Hereinafter will and combine embodiment to specify the utility model with reference to accompanying drawing.Need to prove that under the situation of not conflicting, embodiment and the characteristic among the embodiment among the application can make up each other.

In following examples, be defined as " axially " with the rotation axis direction of motor vehicle wheel axle, wheel diameter line direction is defined as " radially ", and the plane at wheel diameter place is defined as " radial face "." inboard ": the radial face with tire is a benchmark, with vehicle axles more near the side." outside ": the radial face with tire is a benchmark, away from the side of vehicle axles." main tire " is meant the wheel tyre that is used for cruising that power actuated vehicle itself has, and they are connected with wheel hub.In following examples auxiliary tire comprised the spare tyre function, played the tire of antiskid function effect and other function.Linkage path is meant the through hole 26 that is used to connect auxiliary tire on the main tire wheel hub, can be the lightening hole 26 on the main tire wheel hub, also can be through hole or other through hole of on the main tire wheel hub, making specially 26.

Figure 1A, 1B, 1C and 1D are the views according to the tire of the utility model embodiment; This tire 1 comprises: wheel hub 12, tire 14 and one or more blocking device 3; Wherein, Blocking device 3 is positioned on the wheel hub 12, and blocking device 3 is used for tire 1 is installed to by the mode of coaxial line the wheel hub 22 of main tire 2.

Tire 1 shown in Figure 1A, 1B and Fig. 1 C, the 1D is a kind of auxiliary tire 1, and auxiliary tire 1 can be installed to this tire 1 on the main tire 2 through blocking device 3 very easily, and the manufacturing of this blocking device is simple, and low cost of manufacture is convenient to use.

For blocking device 3; The mode of two kinds of comparative optimizations is provided in the present embodiment: mode one; On the power actuated vehicle main tire wheel hub 22 through hole 26 is arranged all, therefore, can utilize this through hole 26 just tire be installed on the main tire wheel hub 22 by the mode of coaxial line; Need not make any change like this, through cooperating of through hole 26 on blocking device 3 and the main tire wheel hub 22 realizing locking to existing main tire 2; Owing to need not change the main tire 2 of existing vehicle, so this lock mode has extremely strong applicability; Mode two; Different with mode one; One blocking device (i.e. second blocking device) can be set on main tire 2, blocking device 3 be used for be installed in main tire wheel hub 22 on second blocking device cooperate, the mode of tire 1 by coaxial line is installed on the wheel hub 22 of main tire 2.Such processing mode need be changed the wheel hub 22 of existing main tire 2, and applicability is under some influence, but the convenience of installation and removal is greatly improved.

For mode one, very easy implementation method is arranged, for example: blocking device 3 comprises: bolt; One end of bolt is a screw thread, and the other end of bolt is the L type, for example; When implementing, L type parts can flexibly connect with bolt or said L type parts are one with implementing bolt; Owing to dispose the main tire bolt of rear end plate on the main tire, can utilize this bolt to lock, promptly blocking device 3 comprises: the hole, the check screw on hole and the main tire is complementary.Again for example, blocking device 3 can be a screw rod of taking back hook, and the hook that returns of screw rod fixes on the main tire wheel hub 22 through through hole 26 (such as the lightening hole 26 of main tire wheel hub 22) hook, will assist tire 1 to be fixed on the main tire 2 by the coaxial line direction through bolt.Again for example, blocking device 3 can be the part or all of main tire check screw that utilizes on the main tire wheel hub 22.On auxiliary tire wheel hub 12, be provided with and main tire wheel hub 22 corresponding fixed screw holes.During installation; Holding screw on the main tire wheel hub 22 is laid down or partly laid down, will assist tire 1 to abut on the main tire 2, make in the fixed screw holes of the auxiliary tire 1 of bolt of rear end plate insertion on the main tire 2; Again the nut of screwing on, auxiliary tire 1 just locks together with main tire 2.

To back twin tire car, the auxiliary tire 1 of special-purpose is installed also can be utilized main tire 2 original check screws.The wheel hub 12 of auxiliary tire 1 processed be fit to be clipped in two shapes between the tire, its fixed orifice also with the check screw coupling of main tire 2.During installation, earlier the captive nut of main tire 2 is laid down, unloaded next tire, will assist tire 1 to be clipped between two tires, then clamp nut.Auxiliary tire 1 also can be inner tube of a tyre formula, needs the time spent sufficient gas, realizes special-purpose, and the time spent can not bleed off gas, no longer works.

Though make easyly, there are shortcomings such as installing/dismounting inconvenience in the implementation method of above-mentioned blocking device 3.A kind of more excellent blocking device (or being called securing arrangement) 3 is provided for this reason in the present embodiment.These blocking device 3 easy installation and removals are quick, safe and reliable.Describe in the face of this blocking device down.

In this blocking device, used unidirectional lock; Be that securing arrangement comprises one or more unidirectional locks; Unidirectional lock comprises lock dog, first frictional contact surface and second frictional contact surface, and wherein, lock dog is arranged between first frictional contact surface and second frictional contact surface by the mode that contacts with first frictional contact surface and second frictional contact surface; Between first frictional contact surface and second frictional contact surface, form an angle [alpha]; Angle [alpha] is designed such that lock dog can so that lock dog can move freely, keep motionless and on the second direction F2 opposite with first direction, be locked by the theory of machines ground work of self-locking on first direction F1.Preferably; When implementing; Angle [alpha] is less than or equal to the friction angle φ of two-fold lock dog with respect to first frictional contact surface and second frictional contact surface; The effect of this unidirectional lock is best when being α≤2 φ, so that lock dog can be at first direction F) on move freely, keep motionless and on the second direction F2 opposite, be locked with first direction.Preferably, in order to obtain better effect, unidirectional lock can also comprise compression spring, and compression spring applies application force to lock dog, and in the latched position of lock dog, this application force guarantees that lock dog contacts with first frictional contact surface and second frictional contact surface all the time.(also can describe hereinafter) to this unidirectional lock.

In a more excellent embodiment; This unidirectional lock can also comprise: second lock dog, the 3rd frictional contact surface and the 4th frictional contact surface; Wherein, The angle of the 3rd frictional contact surface and the 4th frictional contact surface≤2 φ, φ is the friction angle of second lock dog with respect to the 3rd frictional contact surface and the 4th frictional contact surface; Second frictional contact surface and the 3rd frictional contact surface are on same object; The angle of second frictional contact surface and the 3rd frictional contact surface is γ; The angle of first friction face and the 4th friction face satisfies θ≤4 φ+γ so; It is motionless to be locked maintenance on the second direction F2 of realization to second frictional contact surface and the 3rd frictional contact surface, and on the first direction F1 opposite with second direction F2, moves freely.

Preferred embodiment for above-mentioned two lock dogs and four frictional contact surfaces; Be used to lock and assist the securing arrangement of tire and main tire to comprise: from lock, locking web wheel, connecting rod and backstopping assembly; Wherein, the latch wheel is positioned at the centre of self-locking seat, locks web wheel and flexibly connects from lock; The two sides of locking web wheel is respectively second frictional contact surface and the 3rd frictional contact surface, is respectively first frictional contact surface and the 4th frictional contact surface from the two sides of lock; The locking web wheel flexibly connects through connecting rod and backstopping assembly; The locking web wheel drivening rod motion of rotating, under the effect of connecting rod, backstopping assembly can be movable between latched position and disengaged position; In latched position; Backstopping assembly fixes on the wheel hub of main tire tyre lock, and at disengaged position, backstopping assembly makes tire throw off from the wheel hub of main tire.

More excellent ground, be fixed on from lock on the wheel hub of tire or with the wheel hub one manufacturing of tire; And/or locking web wheel and connecting rod flexibly connect or the one manufacturing; And/or; Connecting rod and backstopping assembly flexibly connect or the one manufacturing.

Blocking device 3 comprises main wheel sidewall adhesive parts, auxiliary wheel sidewall fixed parts, movable coupling mechanism and self-locking mechanism.

The main tire adhesive parts comprises: adaptation module 8, backstopping assembly 104,202A, 304,506A, 904 backstopping assembly bearings 106,204,306 and backstopping assembly pin 108,308.It is fitted in when lock-out state on the main tire wheel hub 22 inboard radial face 26E, and main effect is locking, concentric locating and the torsion transmission that realizes main tire 2 and auxiliary tire 1.These functions can by backstopping assembly 104,202A, 304,506A, 904 and adaptation module 8 realize.

The main tire adhesive parts comprises adaptation module 8.

Adaptation module 8 shown in Fig. 2 A-2C (adaptation module shown in the figure 8 is just concrete a kind of in the practical application, but the adaptation module in the utility model 8 is the adaptation module 8 that contain with the supporting broad sense of all vehicle through holes or lightening hole) is fixed on auxiliary tire wheel hub 12 inboards.Adaptation module 8 is for the through hole 26 on the Vehicular hub 22 that adapts to different shape, and the through hole 26 on the main tire wheel hub 22 is varied, and adaptation module 8 profiles and through hole 26 are complementary, thereby can be with self being inserted in the through hole 26 when lock-out state.A kind of main tire wheel hub 22 is joined the adaptation module 8 that a kind of 26 shapes of through hole with it are complementary, so adaptation module 8 is diversified.Blocking device 3 is realized the coupling with corresponding main tire wheel hub 22 by means of the adaptation module 8 of varied shape.

Adaptation module 8 has and auxiliary tire wheel hub 12 corresponding location structures 88, and location structure cooperates accurately location of realization on the wheel hub 12 through taking turns with auxiliary tire.

Adaptation module 8 and the location of having realized adaptation module 8 and main tire wheel hub 22 cooperating of through hole 26, on the adaptation module 8 on location structure 88 and the auxiliary tire wheel hub 12 location structure match, realize the location of adaptation module 8 and auxiliary tire wheel hub 12.Thereby realized the concentric locating of auxiliary tire 1 and main tire 2 through adaptation module 8.

A plurality of adaptation module 8 through being fixed on the auxiliary tire wheel hub 12 cooperate with through hole 26 on the main tire 2, form a complete concentric locating system.

Through hole 26 on the main tire wheel hub 22 shown in Fig. 3 A-3B; Fig. 2 A-2C is depicted as adaptation module 8 (adaptation module shown in the figure 8 is just concrete a kind of in the practical application, but the adaptation module in the utility model 8 is the adaptation module 8 that contain with the supporting broad sense of all vehicle through holes or lightening hole).When main tire 2 and auxiliary tire 1 are in the locked position; Adaptation module 8 is inserted in the main tire wheel hub through hole 26; When main tire 2 rotates; Cooperate with radial face 82C, 82D on the adaptation module 8 through through hole 26 radial face 26C, 26D, realize the torsion transmission between main tire 2 and the auxiliary tire 1; Cooperate with diatropic plane 82A, 82B on the adaptation module 8 through through hole 26 diatropic plane 26A, 26B, realize the concentric locating of main tire 2 and auxiliary tire 1.

Auxiliary tire wheel hub 12 can be an one with adaptation module 8.

Backstopping assembly bearing installation place 89 is arranged on the adaptation module 8, and backstopping assembly bearing 106,204,306 is fixed on it.

Adaptation module 8 is provided with connecting rod passage 86, and connecting rod 102,202,302,506 is passed through.

Main wheel sidewall adhesive parts also comprises backstopping assembly bearing 106,204,306 and backstopping assembly pin 108,308.Backstopping assembly 104,202A, 304,506A, 904 pass through backstopping assembly pin 108,308 hinges on backstopping assembly bearing 106,204,306.

Auxiliary wheel sidewall fixed parts is used for the support fixation to various members.Form by pull wheel pin 48 etc. from lock 45, locking.

Auxiliary wheel sidewall fixed parts comprises from lock 45.Being used for supporting various parts from lock 45, in lock 45, also being provided with locking

face

45A, 45B and the spring perch 44 that is used for self-locking simultaneously, is the important component part of self-locking mechanism.Be fixed on the outside of auxiliary tire wheel hub 12 from lock 45; Corresponding with adaptation module 8, and will be fixed together from tighten up a screw fixed orifice 84, backstopping assembly bearing 106,204 of lock 45, auxiliary tire wheel hub 12, adaptation module 8 successively through dowel bolt 109,209.

Movable coupling mechanism is used for connecting versatilely backstopping assembly 104,202A, 304,506A, 904 and auxiliary wheel sidewall fixed parts, through movable coupling mechanism backstopping assembly 104,202A, 304,506A, 904 is moved between locking and open position.Its by connecting rod 102,202,302,506,902 locking pull wheel 46,506, spring 103,206,303,906 is formed.

Movable coupling mechanism comprises connecting rod 102,202,302,506,902, and it is hinged that 46D is pulled on the wheel in an end 102B, 202B and the locking of connecting rod 102,202,302, and the other end 102A of connecting rod, 302A and backstopping assembly connecting rod junction 104A, 304A are hinged.Wheel 46,506 drivening rods 102,202,506 are pulled in locking.Connecting rod 102,202,302,506,902 drives backstopping assembly 104,202A, 304,506A, 904.Connecting rod 102,202,302 can be designed to annular, also can be designed to realize the Any shape of its function.

Movable coupling mechanism also comprises locking pulls wheel 46,506.Locking is pulled wheel 46,506 and is pulled wheel pin 48 through locking and be pivotally connected on lock 45.Locking pulls that wheel coupling end 102B is pulled in connecting rod coupling end 46D and the locking on the connecting rod on the wheel, 202B is hinged, and wheel upward locking face 46A, 46B are pulled in locking, are used to realize self-locking.Also can process the locking face with lock dog 42 shape complementarities from locking

face

46A, 46B, to increase the self-locking area.Locking pull wheel 46,506 shape also can be circular also can be other pattern, lever up connecting rod 102,202,302,506 and be principle playing by functions such as self-locking device lockings.

Locking pull wheel 46, connecting rod 102,202, backstopping assembly 104,202A, 506A each other group system be integral.

Movable coupling mechanism also comprises spring 103,206,303,906.Spring 103,206,303,906 couples of backstopping assemblies 104,202A, 304,506A, 904 apply the elastic force influence, when opening, backstopping assembly 104,202A, 304,506A, 904 are automatically reset.

Self-locking mechanism is that present embodiment is with respect to one of important innovations point of the prior art.Self-locking mechanism can comprise that one or more separate single also can be the compound unidirectional lock 4Bs of two separate single to lock 4A combination to lock 4A.Self-locking mechanism carries out self-locking to movable coupling mechanism, makes movable coupling mechanism can only promptly lock the direction motion to a direction F1 at lock-out state, and F2 direction motion round about.

The main wheel sidewall adhesive parts of blocking device 3 cooperates with main tire wheel hub 22, makes auxiliary tire 1 can obtain the power of vehicle.Auxiliary wheel sidewall fixed parts and auxiliary tire 1 are fixed together, or the part of auxiliary tire 1; Movable coupling mechanism with main wheel sidewall adhesive parts and auxiliary wheel sidewall fixed parts versatilely be linked together; And make that main wheel sidewall adhesive parts can be movable between a latched position and a disengaged position; In latched position; Movable coupling mechanism is locked on the main tire wheel hub 22 main wheel sidewall adhesive parts, thereby realizes the locking of main tire 2 and auxiliary tire 1, at disengaged position; Movable coupling mechanism makes main wheel sidewall adhesive parts throw off from the wheel hub 22 of main tire 2, thereby realizes that auxiliary tire 1 unloads from main tire 2; Self-locking mechanism is set on the fixed parts of auxiliary wheel sidewall, and through movable coupling mechanism main wheel sidewall adhesive parts is remained on latched position, and does not receive the influence of running state of the vehicle.

Unidirectional lock 4 can be separate single to lock 4A, also can be two coefficient compound unidirectional lock 4B.

Shown in Fig. 4 A, be made up of first friction face 31, second friction face 32, lock ball 35, spring thrust P to lock 4A by separate single to lock 4A for separate single.

Separate single to lock 4A essential structure and principle of work is: two friction faces 31,32 constitute certain angle [alpha], lock pearl 35 be clipped in two friction faces 31, between 32.Apply one to α angular vertex direction spring thrust P on the lock pearl 35.Through cooperatively interacting between spring thrust P, lock pearl 35, first friction face 31 and second friction face 32, just can realize self-locking to lock pearl 35.When lock pearl 35 is applied the rightabout power with spring thrust P, lock pearl 35 can not compress two friction faces 31,32, has just removed the locking to lock pearl 35.

Separate single can obtain checking through the principle of mechanical self-latching to lock 4A principle of work.

Theory of machines according to self-locking; Shown in Fig. 4 A, the application force that 31 pairs of said lock pearls 35 of said first frictional contact surface produce is R13, and the application force that 32 pairs of said lock pearls 35 of said second frictional contact surface produce is R23; Spring is P to the application force of lock pearl 35; P and first friction face, 31 angles are β, and α is the angle between said first frictional contact surface 31 and second frictional contact surface 32, and φ is the friction angle of said lock pearl 35 with respect to said first frictional contact surface 31 and second frictional contact surface 32; Wherein, the relation of friction angle φ and coefficientoffriction is μ=tg φ.Here, we suppose that said lock pearl 35 is identical with the friction coefficient of said first frictional contact surface 31 and second frictional contact surface 32.

Hereinafter produces resistance during according to reversal of stroke and is less than or equal to zero condition and confirms condition of self-locking.

The triangle of forces (Fig. 4 B) according to said lock pearl 35 is had by sine

Figure 2011201787105100002DEST_PATH_IMAGE002

Put in order

Figure 2011201787105100002DEST_PATH_IMAGE004

If said lock pearl 35 does not get loose automatically; Then should make P≤0; Because is α≤2 φ so promptly gets condition of self-locking.

Said angle [alpha] is less than or equal to the friction angle φ of the said lock of two-fold pearl 35 with respect to said first frictional contact surface 31 and second frictional contact surface 32; Be α≤2 φ; So that said lock pearl 35 can move freely at first direction F1, and it is motionless to be locked maintenance at the second direction F2 opposite with first direction.

For example the friction coefficient of steel and steel is about 0.15; Its friction angle φ is about 8.5 °; Therefore; Said angle [alpha] should be less than about 17 °, i.e. .

Fig. 4 C illustrates structure and the self-lock mechanism figure of compound unidirectional lock 4B.

Compound unidirectional lock is made up of 35 two elastic force P of 31,32,33,34, two lock balls of four friction faces.

P and second friction face, 32 angles are β; The angle of first friction face 31 and second friction face 32≤2 φ; So that lock pearl 35 can move freely and on the opposite second direction F1 of first direction, is locked and keeps motionless at first direction F2. the 3rd friction face 33 and the 4th friction face 34 are similar; Angle satisfies α≤2 φ, supposes that second friction face 32 the 3rd friction face, 33 angles are γ, and the angle of first friction face 31 and the 4th friction face 34 satisfies θ≤4 φ+γ so; So that satisfy self-locking, keep motionless.

Fig. 5 A, 5B, 5C5D illustrate compound unidirectional lock 4B example block diagram; Compound unidirectional lock 4B comprises tight jam plate wheel both sides locking face 46A, 46B (being equivalent to the two or three friction face 32,33 among Fig. 4 C); Two lock pearls 42 (being equivalent to the lock ball 35 among Fig. 4 C), two self-locking springs 43 (elastic force that spring applies is equivalent to the application force P among Fig. 4 C) and two locking face 45A in lock, 45B (being equivalent to the one or four friction face 31,34 among Fig. 4 C).Locking face 46A, the 46B aspect that wheel 46 both sides are pulled in locking is to be the circular-arc of the center of circle with locking web wheel centre hole.Locking face 45A, 45B shape on lock 45 are corresponding with it, so that the lock pearl rolls in the middle of being embedded in two grooves.The section shape of locking face 46A, 46B, 45A, 45B is complementary with lock pearl profile, to increase the contact surface of lock pearl and locking face.Two locking face 45A in lock 45,45B design make from locking angle α summit in the F1 direction; The angle that locking is pulled between wheel 46 both sides locking face 46A, the 46B is γ; And the angle between locking face 45A and the locking face 45B satisfies θ≤4 φ+γ; Just realized wheel 46 self-locking is pulled in locking, thus locking pull wheel can only be to F1 to rotation, and in the opposite direction F2 to motion.

Lock pearl 42 in the present embodiment is adopted circular.The shape of cross section of lock pearl 42 can be diversified, for example circle, triangle, trapezoidal, rhombus or the like.The shape of locking

face

46A, 46B, 45A, 45B cooperates with lock pearl 42, to realize maximum locking area.

The unidirectional lock 4 of present embodiment has stepless self-locking, does not have the characteristics in backhaul gap, promptly can lock at an arbitrary position, makes latched position more accurate; The locking of unidirectional lock 4 is to accomplish automatically, and open operation is also very simple.The unidirectional lock 4 of present embodiment have latched position accurately, good stability, can bear big load and minor load, not have noise, advantage simple to operate.Need to prove that above-mentioned advantage might not be the advantage that each preferred embodiment mode is possessed, above-mentioned preferred embodiment mode has the one or more of these advantages.

Embodiment one

Blocking device 3 like Fig. 6 A, 6B, 6C6C illustrated embodiment one

Blocking device 3 comprises: main wheel sidewall adhesive parts, auxiliary wheel sidewall fixed parts, movable coupling mechanism and self-locking mechanism.

The main tire adhesive parts comprises backstopping assembly 104, backstopping assembly pin 108, backstopping assembly bearing 106, adaptation module 8.

Auxiliary wheel sidewall fixed parts comprises from lock 45, locking pulls wheel pin 48.

Movable coupling mechanism comprises connecting rod 102, locks and pull wheel 46.

Self-locking mechanism is meant compound unidirectional lock 4B, and compound unidirectional lock 4B is made up of locking

face

45A, 45B, 46A, 46B, lock pearl 42, self-locking spring 43, spring perch 44.

The main tire adhesive parts comprises backstopping assembly 104; Backstopping assembly bearing coupling end 104B is fixed on the backstopping assembly bearing 106; The centre is the connecting portion 104A with connecting rod 102, the other end then when restraint location and main tire wheel hub 22 inboard radial face 26E be close together.

This blocking device 3 also can be designed to two or more backstopping assemblies 104.

The main tire adhesive parts also comprises adaptation module 8.It is fixed on the inboard of auxiliary tire wheel hub 12.During lock-out state, adaptation module 8 is inserted in the through hole 26 of main tire wheel hub 22, plays the location and transmits torsion.Be fixed with backstopping assembly bearing 106 on it.

Main wheel sidewall adhesive parts also comprises backstopping assembly bearing 106 and backstopping assembly pin 108.Backstopping assembly bearing 106 is hinged through backstopping assembly pin 108 and backstopping assembly 104.

Auxiliary wheel sidewall fixed parts comprises from lock 45.Be used for supporting various parts from lock 45.Pulling wheel pin 48 and locking from lock 45 through locking, to pull wheel 46 hinged.Simultaneously in lock 45, also being provided with locking

face

45A, 45B and the spring perch 44 that is used for self-locking, is the important component part of self-locking mechanism.Be fixed on the outside of auxiliary tire wheel hub 12 from lock 45, corresponding with adaptation module 8, and will be fixed together from lock 45, auxiliary tire wheel hub 12, adaptation module 8, backstopping assembly bearing 106 successively through dowel bolt.

Movable coupling components comprises connecting rod 102, connecting rod 102 1 ends and 104 movable connections of backstopping assembly, and the other end is pulled 46 movable connections of wheel with locking, and inter-burst has spring 103.

Movable coupling components also comprises spring 103.Spring 103 strings are (if connecting rod 102 is annulars, 103 midways location that are in connecting rod 102 of spring) on connecting rod 102, and its effect is when self-locking device is opened, and its elastic force can make backstopping assembly 104 reset, and is in the open position.

Spring 103 also can be designed to torsion spring and deformed spring as required in the present embodiment.

Movable coupling components also comprises locking pulls wheel 46, and locking is pulled on the wheel 46 has locking

face

46A, 46B, centre hole 46E, connecting rod coupling end 46D and special tool head 46C.The connecting rod coupling end that wheel centre hole 46E one side is pulled in locking links to each other with connecting rod 102, when wheel 46 rotations are pulled in locking, and drivening rod 102 motions.Two locking faces that wheel centre hole 46E opposite side is pulled in locking play self-locking action.The application of force direction of connecting rod 102 motions, it is opposite pulling wheel 46 centre hole both sides in locking, pulls the transformation that wheel 46 has been realized the coupling mechanism force direction through locking.

Self-locking mechanism adopts a compound unidirectional lock 4B.

Self-locking mechanism also can have other several kinds of embodiments: known locking or the self-locking modes that can be used in the utility model such as cam lock mode, click lock mode, connecting rod 102 lock modes.

The principle of work of blocking device 3: locking process, blocking device 3 are fixed on the auxiliary tire wheel hub 12, and when auxiliary tire 1 sticked together with main tire 2, the main tire adhesive parts of blocking device 3 inserted in main tire wheel hub 22 through holes 26.When locking is pulled wheel 46 when locking direction F1 direction is rotated; Pulling connecting rod 102, connecting rod 102 holddown springs 103 also spur backstopping assembly 104, until locked position; Backstopping assembly 104 tightly abuts on the inboard radial face 26E of main tire wheel hub 22, will assist tire 1 and main tire 2 to be fixed together.Simultaneously, self-locking mechanism is pulled wheel 46 self-lockings to locking.Main tire 2 just combines with auxiliary tire 1 securely.Opening process is opened self-locking device, and under the effect of spring 103 elastic force, backstopping assembly 104 leaves main tire wheel hub 22 and is returned to the open position, and auxiliary tire 1 separates with main tire 2.

Unlatching of this blocking device 3 and locking will be realized that special tool 5 one ends shown in figure 12 are that opening end 52, one ends are keyed end 54 by special tool 5.Use special tool 5 opening ends 52 during unlatching; Make two hooks of special tool opening end 52 be hooked in screw 47 two ends respectively; Two pressure points of special tool 5 are pressed on the lock pearl 42 of compound unidirectional lock 4B; Rotate special tool 5 to locking direction direction F1 direction, two pressure points on the special tool 5 press lock pearl 42 and leave latched position, remove the locking of locking being pulled wheel 46.Use the keyed end 54 of special tool 5 during locking, the tool heads 46C that the keyed end 54 and the locking of special tool 5 are pulled on the wheel 46 cooperates, and rotates special tool 5 to locking direction F1 direction, makes blocking device 3 be in latched position.

Embodiment two

Fig. 7 illustrates the blocking device 3 of embodiment two.Blocking device 3 by adaptation module 8, from lock 45, locking pull wheel 46, block 204, torsion spring 206, connecting rod 202, self-locking mechanism are formed.

Wheel 46 hinges are pulled in connecting rod 202 1 ends and locking, and the other end has been the keyed end 202A of backstop parts effect.

Block 204 leans on the 202A of link lock fixed end, as connecting rod 202 lockings and the fulcrum of opening.

Torsion spring 206 applies elastic force and regains connecting rod when opening, make connecting rod 202 be in the open position.

Self-locking mechanism adopts compound unidirectional lock 4B.Locking web wheel 46 is implemented self-locking, it can only be rotated to locking direction F1 direction, and the F2 direction is rotated round about.

Check screw 209 will be fixed together from lock 45, auxiliary tire wheel hub 12, adaptation module 8, block 204 successively.

Principle of work: locking process; Pull wheel 46 to the rotation lock of locking direction F1 direction; Wheel 46 drivening rods 202 are pulled in locking; Elongated insertion part 202A on the connecting rod 202 is fitted under block 204 fulcrums lean on the main tire 2 inboard radial face 26E, and compound unidirectional lock 4B pulls wheel 46 to locking and carries out self-locking, realizes locking.It is shown in Figure 7 that to go out 1 202C present position of connecting rod be latched position.Opening process, the lock pearl 42 of the compound unidirectional lock 4B of roof pressure, compound unidirectional lock 4B release, 206 pairs of connecting rods 202 of torsion spring apply elastic force, and when 1 202C of connecting rod moved on 1 204A of block, connecting rod was returned to the open position.

Embodiment three

The blocking device 3 of embodiment three as shown in Figure 8, blocking device 3 is made up of backstopping assembly 304, backstopping assembly bearing 306, adaptation module 8, connecting rod 302, lock nut 309, pad 301, spring coil 310, spring 303, pin 308.Backstopping assembly 302 1 end hinges are on backstopping assembly seat 306.Backstopping assembly 304 other ends are keyed end, and keyed end is fitted on the radial face 26E of main tire wheel hub 22 when lock-out state, plays locking action.Backstopping assembly 304 middle and connecting rod 302 hinges.Connecting rod 302 1 ends and backstopping assembly 304 are hinged; Inter-burst has spring 303, and spring 303 applies elastic force to backstopping assembly 304 between backstopping assembly 304 and auxiliary tire wheel hub 12 or adaptation module 8; Make it when opening, leave latched position and return the open position; Connecting rod 302 other ends are processed bolt, are fastened on lock 304 with lock nut 309, thereby realize locking.Small end is provided with spring coil 310, plays to prevent that nut 309 from taking off effect.

Embodiment four

In embodiment one, self-locking mechanism is pulled wheel to locking and is implemented self-locking.Present embodiment is in embodiment one, under other device unmodified situation, self-locking device to be arranged on the connecting rod, and connecting rod is carried out self-locking.Realize the firm locking of main tire 2 and auxiliary tire 1 through self-locking to connecting rod.

Embodiment five

Like the blocking device 3 of Fig. 9 A-9C illustrated embodiment five, blocking device 3 is pulled wheel 506, switch seat 509, is formed from lock 45, self-locking mechanism by adaptation module 8, base 515, fulcrum of spring 516, switch 505, locking.

Adaptation module 8 is used to realize the concentric locating and the torsion transmission of main tire 2 and auxiliary tire 1.

Base 515 is fixed on the auxiliary tire wheel hub 12 or the part of auxiliary tire wheel hub 12, is used for support locking device 3.

Fulcrum of spring 516 is connected on the base 515 versatilely.It comprises fulcrum block 504, spring 503, spring housing 507 and fulcrum pullover 502.

Switch 505 1 ends are arranged on the fulcrum of spring 516, and the other end is located on the switch seat 509.Switch is provided with switch head 505A.Its effect is that the roof pressure position of fulcrum of spring is switched between unlatching concave point and locking concave point.

Locking is pulled wheel 506 and is pivotally connected on lock 45, and keyed end 506A, unlatching concave point 512, locking concave point 510 and locking

face

46A, 46B are arranged on it.

Self-locking mechanism adopts compound unidirectional lock 4B.Wheel 506 is pulled in locking implemented self-locking.

Fulcrum of spring 516 leans in locking and pulls on the wheel 506, and pulling wheel in locking has two to lean the position on 506, promptly locks concave point 510 and opens concave point 512, and the effect through switch 505 makes fulcrum pullover 502 pull 506 two on wheel in locking and leans between the position and switch.When fulcrum pullover 502 leaned at locking concave point 510, locking was pulled wheel keyed end 506A and is fitted on the main tire wheel hub radial face 26E, and compound unidirectional lock 4B pulls wheel 506 to locking and implements self-locking, made main tire 2 with auxiliary tire 1 locking.Fulcrum pullover 502 leans opening on the concave point 512, opens self-locking device, and locking is pulled wheel 506 and is in opening.

Under lock-out state; Owing to vehicle vibrations or other reason; When main tire 2 occurred becoming flexible with auxiliary tire 1 locking, under the effect of leaning of fulcrum of spring 516, locking was pulled wheel 506 and is absorbed the gap to the rotation of locking direction; Absorb self-locking at once behind the gap, lock is tight more more so this blocking device 3 can absorb the gap automatically.

Embodiment six

Like the securing arrangement 3 of Figure 10 A, 10B illustrated embodiment six, securing arrangement 3 comprises: main wheel sidewall adhesive parts, auxiliary wheel sidewall fixed parts, movable coupling mechanism and self-locking mechanism.

Main wheel sidewall adhesive parts comprises backstopping assembly 904, and backstopping assembly 904 comprises at least one backstopping assembly 904, and backstopping assembly 904 is fitted on the inboard radial face 26E of main tire wheel hub 22 in latched position.

In the present embodiment, backstopping assembly 904 is two, and they are distributed in the both sides of inside lock lever 903 and outer locking bar 902 symmetrically.Be provided with spring leaf 906 between backstopping assembly 904 and the bearing body 905.

Main wheel sidewall adhesive parts also comprises bearing body 905, and it is disposed in main tire wheel hub 22 through holes 26, and bearing body 905 has a chamber 905A, and a seat chamber 905A is used to support backstopping assembly 904.

Movable coupling mechanism also comprises inside lock lever 903 and outer locking bar 902, and inside lock lever 903 can be with respect to outer locking bar 902 slips, compression spring 907 inside lock lever 903 and outside between the locking bar 902, and slide relative applied the influence of elastic force.

Outer locking bar 902 is the overall shape of body, and lower end and backstopping assembly 904 join, and upper end and depression bar 908 are hinged.Inside lock lever 903 is the overall shape of English alphabet " T "; The axial main body of inside lock lever 903 length is interior slip of body of locking bar 902 outside; The hinged inside lock lever in inside lock lever 903 upper ends unblanks 909, and the radial branching end cooperates with backstopping assembly 904, realizes backstopping assembly 904 unlatchings and locking.

A unblank end of 909 and an end of inside lock lever 903 of inside lock lever is hinged, and its other end is provided with hook once, utilizes back hook 909 to be pulled to the open position and to hang on the outer locking bar 902 to be held open together with inside lock lever 903 unblanking.

Movable coupling mechanism also comprises depression bar 908, depression bar 908 and outer locking bar 902 hinges, and be that fulcrum prizes outer locking bar 902 and between latched position and open position, switches with fulcrum of spring 916.When depression bar 908 was prized outer locking bar to latched position, the depression bar handle end hung on the hook 920 to keep the stable of locking.Depression bar hook 920 is fixed on the auxiliary tire wheel hub 12.

Self-locking mechanism comprises that two or more separate single are to lock 4A and fulcrum of spring.

Self-locking mechanism comprises the fulcrum of spring device, and the fulcrum of spring device is arranged in depression bar 908 near outer locking bar 902 1 sides, prizes the fulcrum of outer locking bar 902 as depression bar 908.

The fulcrum of spring device comprises fulcrum spring 913, spring pedestal 914 and fulcrum pullover 912; Spring pedestal 914 is fixed on the fixed parts of auxiliary wheel sidewall; Fulcrum pullover 912 is placed in the center cavity of spring pedestal 914 slidably, and fulcrum spring 913 is positioned in the center cavity of fulcrum pullover 912, and by the precharge power that contracts; Thereby fulcrum is pullover to keep the roof pressure effect to depression bar 908 always.

Separate single cooperates with fulcrum of spring and also has the function that automatic absorption gap automatically locks to lock 4A: when power actuated vehicle goes when shaking; If between vehicle main tire 2 and auxiliary tire 1, the space occurs separating because of vibrations; Because the tension force of fulcrum of spring device acts on depression bar 908, the outer locking bar 902 of depression bar 908 pullings is moved laterally, because separate single has auto-lock function to lock 4A; Outer locking bar 902 can free motion in first direction F1 direction; Outer locking bar 902 towards first direction F1 motion, thereby is further strained backstopping assembly 904 under the tension force effect of fulcrum of spring device; Outer locking bar 902 is locked in second direction F2 direction, and the outer locking bar 902 after the tension is locked at once.Therefore separate single makes auxiliary tire 1 more and more fastening with main tire 2 lockings in the vehicle ' process to lock 4A will in time eliminate in the space and locking main tire 2 and auxiliary tire 1 with separating.Simultaneously can also the automatically regulating concentricity.

Principle of work is following: the locking process, put down inside lock lever 903, and make backstopping assembly 904 place latched position.Press depression bar 908, depression bar 908 is a fulcrum with the fulcrum of spring, prizes outer locking bar 902, and outer locking bar 902 is pressed on backstopping assembly 904 on the main tire wheel hub 22 inboard radial face 26E.The outer locking bar 902 of self-locking mechanism locking.Opening process lifts depression bar 908, opens self-locking mechanism, and depression bar 908 is depressed outer locking bar 902 through fulcrum of spring 916.Pull-up inside lock lever 903 makes backstopping assembly 904 be in the open position, and securing arrangement is accomplished and opened.

For blocking device 3, preferred implementation two can be in the structure (second blocking device) of making or fixing co-operating latch means 3 lockings on the main tire wheel hub 22, through cooperating of main tire 2 and blocking device 3 realizing locking.List preferred embodiment below.

Embodiment seven

Like Figure 11 A, 11B illustrated embodiment seven blocking devices 3, the second blocking devices are locks 604, and its body shape is a cylinder, and a ring-type lock ditch 604A is arranged on the cylinder.Lock 604 is fixed on the main tire wheel hub 22, also can be the part at main tire wheel hub 22.

Blocking device 3 is made up of lock tube 601, lock ball 602, self-locking cover 606, spring 603, gland 605, cam lever 609, pin 608.

Lock tube is fixed on the auxiliary tire wheel hub 12 or the part of auxiliary tire wheel hub 12.Its shape just in time can be enclosed within on the lock 604, and cooperates transmission and the concentric locating that realizes torsion with lock 604.Four or a plurality of lockhole 601A are arranged on it.Lockhole 601A is a taper hole, and outer imperial palace is little, and inner minimum diameter is slightly less than the lock ball diameter.Make lock ball impassabitity lock tube.

Self-locking cover 606 is enclosed within the periphery of lock tube 601.Its upper end is hinged through pin 608 and cam lever 609.

Cam lever 609 1 ends are cam, and hinged through pin 608 and self-locking cover 606, the other end is a handle.Turning handle owing to action of cam, can lift self-locking cover 606 and depress, thereby realizes that self-locking cover 606 switches between open position and latched position.

Be provided with compression spring 603 between gland 605 and the self-locking cover 606.

Lock ball 602 is a circle.

Lock surface and the lock ball 602 of ditch 604A of the medial surface of self-locking cover 606, lock 604 formed a separate single to lock 4A.Separate single to the lock 4A the α angular vertex in auxiliary tire 1 one sides.Make lock ball 602 to move to main tire 2 side F2 directions, and can not be to auxiliary tire 1 side F1 direction motion.Lock ball 602 is embedded in the lock tube 601, thereby makes lock tube 601 main tire 2 and auxiliary tire 1 locked together to the motion of main tire 2 side F2 directions.Vehicle is in the process of going, during because of vibrations main tire 2 and auxiliary tire 1 generation gap, because separate single to the effect of lock 4A, absorbs the gap automatically and make main tire 2 more and more tighter with the locking of auxiliary tire 1.

Principle of work: locking process; Auxiliary tire 1 abuts in a time-out with main tire 2; Lock tube 601 is enclosed within on the lock 604; Depress cam lever 609 and make it be in latched position, self-locking cover 606 is depressed by cam lever 609, and the lockhole 601A that lock ball 602 sees through on the lock tube 601 is abutted in the lock ditch 604A of lock 604.Thereby lock 604 and lock tube 601 are locked together, and main tire 2 just is fixed on auxiliary tire 1.Simultaneously, by means of the effect of separate single, make main tire 2 more and more tighter with the locking of auxiliary tire 1 to lock 4A.Opening process, rotating cam bar 609 makes it be in the open position.Because cam lever head action of cam, compression spring 603 lifts self-locking cover 606 to the open position.Self-locking cover 606 no longer presses lock ball 602, makes lock ball 602 be in free state, thereby opens the locking of lock 604 with lock tube 601.Auxiliary tire 1 just can freely be dismantled from main tire 2.

Embodiment eight

Blocking device 3, the second blocking devices like Figure 12 A-12C illustrated embodiment eight are lock 704, and lock 704 is fixed on the main tire wheel hub 22 or the part of main tire wheel hub 22.The main body of lock 704 is up big and down small taper polygon prism, and the vertical section is up big and down small trapezoidal.The preferred quadrangular of present embodiment, its four side 704A are as the locking face 704A of four separate single to lock 4A.

Blocking device 3 is made up of lock tube 701, self-locking spring 703A, cylinder locks pearl 702, locking closure 705, easing lever 710, unlatching cover 706, cam lever 709, unlatching spring 703B, pin 708.

Lock tube 701 is fixed on the auxiliary tire wheel hub 12 or the part of auxiliary tire wheel hub 12.During lock-out state, lock tube 701 covers on the periphery of lock 704.Its inside has with 704 4 of locks corresponding from locking face 701A, and matches with locking closure 705 and to form cylinder locks pearl 702 tracks 712 and cylinder locks pearl 702 can not be deviate from.Lock tube 701 bottoms are provided with four open holes, and easing lever 710 therefrom passes, and are used to stir cylinder locks pearl 702, thereby realize opening.

Self-locking spring 703A compresses cylinder locks pearl 702 and forms self-locking.

Supporting cam wheel bar 709 above the locking closure 705 below as the spring perch of self-locking spring 703A, cooperates the tracks 712 that forms cylinder locks pearl 702 simultaneously and it can not be deviate from lock tube 701.

Easing lever 710, unlatching cover 706, cam lever 709, unlatching spring 703B, pin 708 have been formed an opener jointly.When unlatching cover 706 moves downward, depress four easing levers 710 simultaneously under the effect of cam lever 709.Four easing levers 710 prize four cylinder locks pearls 702 and realize opening.

Can also design an opening device in the present embodiment links to each other with unlatching cover 706; Open cover 706 and directly act on the lock pearl 702 of separate single to lock 4A through opening device; The F1 direction is an opening direction; The F2 direction is a locking direction, and owing to the different F1 directions and the F2 direction of opening device can be changed each other, thereby convenient the realization opened.

The principle of work of present embodiment: locking process, when main tire 2 was fitted with auxiliary tire 1, lock 704 inserted in the lock tube 701 of auxiliary tire 1 on the main tire 2.On the main tire 2 on four of lock 704 locking face 704A and the auxiliary tire 1 four locking face 701A in the lock tube 701 cooperates together with four cylinder locks pearls 702 and forms four separate single to locking 4A.Realized locking, made lock tube to move to locking direction F2 direction to lock 704, and F1 direction motion round about.Thereby with main tire 2 and auxiliary tire 1 combining tightly, simultaneously since separate single to the effect of lock 4A, locking can only be more and more tighter.Opening process, rotating cam bar 709 is opened cover 706 and under the effect of unlatching spring 703B elastic force, is depressed to main tire 2 directions, opens cover 706 and presses four easing levers 710 simultaneously, and easing lever 710 prizes cylinder locks pearl 702, release self-locking.Main tire 2 separates with auxiliary tire 1.

Special tool 5 shown in figure 13 is used with compound unidirectional lock 4B.Unlatching of this blocking device 3 and locking will be realized that special tool 5 one ends are that opening end 52, one ends are keyed end 54 by special tool 5.Use special tool opening end 52 during unlatching; Make two hooks 58 of special tool opening end 52 be hooked in screw 47 two ends respectively; Two pressure points 56 of special tool 5 are pressed on the lock pearl 42 of self-locking device; Rotate special tool 5 to the locking direction, two pressure points on the special tool 5 press lock pearl 42 and leave latched position, remove the locking of locking being pulled wheel 46,506.Use the keyed end 54 of special tool 5 during locking, the tool heads 46C that the keyed end 54 and the locking of special tool 5 are pulled on the wheel 46,506 cooperates, and rotates special tool 5 to locking direction, makes blocking device 3 be in latched position.

Unpowered jack 6 shown in Figure 14 A, 14B.Unpowered jack 6 can solve the main tire 2 rising problems that need to install auxiliary tire 1 very easily.Unpowered jack 6 comprises a piece 62 and climbs piece 64, through pivot 66 said piece 62 and the said piece 64 of climbing is connected together.Said climbing when piece 64 can make unpowered jack 6 use around the axis of pivot opened, and altogether, whole unpowered jack 6 volumes reduce, convenience is carried on vehicle thereby make when not using.Successfully open unpowered jack 6 on the smooth road surface for vehicle, can lay flexible gasket climbing on the piece 64.Flexible gasket is longer than and is climbed piece 64.Wheel at first rolls on flexible gasket, climbs piece thereby reach smoothly.

Car is left unpowered jack 6, raise the vehicle main tire 2 of the auxiliary tire 1 of required installation by unpowered jack 6.When vehicle ' on muddy highway, be absorbed in mire and can't go the time, unpowered jack 6 can also be used as cushion block and help vehicle to get rid of poverty.

Auxiliary tire 1 can replace or auxiliary main tire 2 is accomplished specific functions, and for example vehicle is because of tire fault can not cruising the time, and this auxiliary tire 1 can be used as spare tyre 11 and helps normal vehicle operation to maintenance station (point); In order to go at ice face or snowfield, auxiliary tire 1 can be the nonskid tire 7 with antiskid function; Be the land locomotion of crossing over mountain after mountain, auxiliary tire 1 can be the ground grip tyre with cross-country function; Sail on the water in order to wade across a river, auxiliary tire 1 can be the tire with additional inflatable packer of band of revolving vane; For the muddy place of going, auxiliary tire 1 can be to have the jagged big tire of ground area of grabbing.Auxiliary tire 1 can be a solid tyre, also can be vacuum tyre and compound tire.Certainly, if possible, in order to let power actuated vehicle go aloft, auxiliary tire 1 can be the device that any and vehicle main tire are 2 that be connected, buoyancy lift and onward impulse are provided for vehicle.

In order to cooperate the realization specific function, auxiliary tire wheel hub 12 is wanted respective design.

Be that auxiliary tire 1 is used to accomplish the preferred several embodiment of specific function below.

Fastening nail formula nonskid tire 7 shown in figure 15.Fastening nail formula nonskid tire 7 is a kind of of auxiliary tire 1., fastening nail formula nonskid tire 7 comprises isolated component 73, and isolated component 73 is arranged between the inner tube of a tyre 74 and the cover tire 72, and isolated component 73 plays the effect that the protection inner tube of a tyre 74 is not damaged by anti-skid stud 71 when anti-skid stud 71 penetrates cover tire 72 inwalls.

The anti-skidding auxiliary tire 7 of fastening nail formula also can be a band tyre.

Movable nail formula nonskid tire shown in figure 16.Nonskid tire 7 also can be movable nail formula nonskid tire.It is made up of the inner tube of a tyre 74, cover tire 72, spiral nail 79, pressure cap 78, roller 76, anti-skid stud cover 77, anti-skid stud 71.Spiral nail 79 is fixed on pressure cap 78 on the anti-skid stud cover 77, and roller 76 is arranged in the anti-skid stud cover 77.Roller 76 plays the anti-skid stud 71 retractile effects that guarantee.Pressure cap 78 is effects of playing the pressure area that increases anti-skid stud 71, can not damage the inner tube of a tyre 74 simultaneously.

Anti-skid stud 71 can be a hollow anti-skid stud 75, and hollow anti-skid stud 75 is outer little interior big, and ice and snow or foreign material are got into by hollow anti-skid stud 75 top centre holes, by side exit ice and snow or foreign material are discharged then, and the anti-skidding efficient on hollow anti-skid stud 75 each bundle ground are improved.

The main tire 2 of auxiliary anti-habitual abortion 7 and power actuated vehicle plays anti-skidding effect jointly.For preventing the bad inner tube of a tyre of pinning, the longest diameter that the anti-skid stud 71,75 of anti-habitual abortion 7 stretches out generally can not surpass the external diameter of main tire 2, preferably less than main tire 2 external diameter certain sizes.Can be according to the situation adjustment main tire 2 of ice and snow road or the air pressure of anti-habitual abortion 7; Let anti-skid stud 71,75 catch the road surface and don't destroy the use of ground-surface principle by actv.; Characteristics be car in motion, at first be main tire 2 contact ice and snow roads with the road surface on foreign material such as brick, stone etc., so promptly play the anti-habitual abortion 7 of protection, anti-skid stud 71,75 and protect the ground-surface effect; Do not influence the antiskid function of anti-habitual abortion 7 again, can also reduce oil consumption simultaneously.The wheel hub of nonskid tire 7 will be processed the use that is fit to nonskid tire.

The anti-skidding auxiliary tire 7 of nail formula also can be that band tyre is realized with movable nail formula nonskid tire.

The preferred embodiment that the above is merely the utility model is not limited to the utility model, and for a person skilled in the art, the utility model can have various changes and variation.All within the spirit and principle of the utility model, any modification of being done, be equal to replacement, improvement etc., all should be included within the protection domain of the utility model.

Claims

1. a tire comprises wheel hub and tire, it is characterized in that also comprising:

2. tire according to claim 1 is characterized in that, said securing arrangement is used for said tire is installed to the through hole on the wheel hub of said main tire by the mode of coaxial line; And/or, said securing arrangement be used for the wheel hub that is installed in said main tire on second securing arrangement cooperate, the mode of said tire by coaxial line is installed on the wheel hub of said main tire.

3. tire according to claim 2; It is characterized in that; Said securing arrangement comprises one or more unidirectional locks; Said unidirectional lock comprises lock dog, first frictional contact surface and second frictional contact surface, and wherein, said lock dog is arranged between said first frictional contact surface and second frictional contact surface by the mode that contacts with said first frictional contact surface and second frictional contact surface; Between said first frictional contact surface and second frictional contact surface, form an angle [alpha]; Said angle [alpha] is designed such that said lock dog can so that said lock dog can move freely, keep motionless and on the second direction F2 opposite with first direction, be locked by the theory of machines ground work of self-locking on first direction F1.

4. tire according to claim 3; It is characterized in that; Said angle [alpha] is less than or equal to the friction angle φ of the said lock dog of two-fold with respect to said first frictional contact surface and second frictional contact surface; Be α≤2 φ, so that said lock dog can be at first direction F) on move freely, keep motionless and on the second direction F2 opposite, be locked with first direction.

5. tire according to claim 4 is characterized in that, said unidirectional lock also comprises:

Second lock dog, the 3rd frictional contact surface and the 4th frictional contact surface, wherein, the angle of the 3rd frictional contact surface and the 4th frictional contact surface≤2 φ, φ is the friction angle of said second lock dog with respect to said the 3rd frictional contact surface and the 4th frictional contact surface; Said second frictional contact surface and said the 3rd frictional contact surface are on same object; The angle of said second frictional contact surface and said the 3rd frictional contact surface is γ; The angle of first friction face and the 4th friction face satisfies θ≤4 φ+γ so; It is motionless to be locked maintenance on the second direction F2 of realization to said second frictional contact surface and said the 3rd frictional contact surface, and on the first direction F1 opposite with second direction F2, moves freely.

6. according to claim 3 or 5 described tires; It is characterized in that; Said unidirectional lock also comprises compression spring; Said compression spring applies application force to said lock dog, and in the latched position of said lock dog, this application force guarantees that said lock dog contacts with said first frictional contact surface and second frictional contact surface all the time; And/or this application force guarantees that said lock dog is all the time with said first frictional contact surface with second frictional contact surface contacts and contact with said the 3rd frictional contact surface and the 4th frictional contact surface.

7. tire according to claim 5 is characterized in that, said securing arrangement comprises: from lock, locking web wheel, connecting rod and one or more backstopping assembly, wherein,

Said latch wheel is positioned at said centre from lock; Said locking web wheel and said flexibly connects from lock; The two sides of said locking web wheel is respectively second frictional contact surface and the 3rd frictional contact surface, and said two sides from lock is respectively first frictional contact surface and the 4th frictional contact surface;

Said locking web wheel flexibly connects through said connecting rod and said backstopping assembly; The said locking web wheel that rotates drives said link work, and under the effect of said connecting rod, said backstopping assembly can be movable between latched position and disengaged position; In said latched position; Said backstopping assembly fixes on the wheel hub of said main tire said tyre lock, and at said disengaged position, said backstopping assembly makes said tire throw off from the wheel hub of said main tire.

8. tire according to claim 7 is characterized in that,

On the said wheel hub that is fixed on said tire from lock or with the wheel hub one manufacturing of said tire; And/or,

Said locking web wheel and said connecting rod flexibly connect or the one manufacturing; And/or; Said connecting rod and said backstopping assembly flexibly connect or the one manufacturing.

9. according to each described tire in the claim 3 to 5, it is characterized in that said securing arrangement also comprises: main wheel sidewall adhesive parts, auxiliary wheel sidewall fixed parts, movable coupling mechanism and self-locking mechanism,

Said main wheel sidewall adhesive parts cooperates with the wheel hub of said main tire, and said main wheel sidewall adhesive parts comprises: adaptation module, said adaptation module are the external type body complementary with said through hole;

Said auxiliary wheel sidewall fixed parts and said tire are fixed together, or the part of said tire,

Said movable coupling mechanism with said main wheel sidewall adhesive parts and said auxiliary wheel sidewall fixed parts versatilely be linked together; And make that said main wheel sidewall adhesive parts can be movable between a latched position and a disengaged position; In said latched position; Said movable coupling mechanism is locked on the wheel hub of said main tire said main wheel sidewall adhesive parts, and at said disengaged position, said movable coupling mechanism makes said main wheel sidewall adhesive parts throw off from the wheel hub of said main tire;

Said self-locking mechanism is arranged on the said tyre side fixed parts, and said self-locking mechanism comprises at least one said unidirectional lock, and said unidirectional lock and said movable coupling mechanism are used said main wheel sidewall adhesive parts is remained on said latched position.

10. tire according to claim 9 is characterized in that, said main wheel sidewall adhesive parts comprises:

Backstopping assembly, said backstopping assembly penetrates from said through hole, and in said latched position, said backstopping assembly abuts on the inboard radial face of wheel hub of said main tire.

11. tire according to claim 10; It is characterized in that said movable coupling mechanism comprises connecting rod, the first end of said connecting rod and said backstopping assembly flexibly connect; The locking web wheel of the second end of said connecting rod and said self-locking mechanism flexibly connects; The said locking web wheel that rotates drives said link work, and under the effect of said connecting rod, said backstopping assembly can be movable between said latched position and said disengaged position.

12. tire according to claim 11 is characterized in that, said connecting rod and said backstopping assembly are one, perhaps, said connecting rod, said backstopping assembly and said locking web wheel are one.

13. tire according to claim 12; It is characterized in that said locking web wheel comprises opens concave point and locking concave point, also is provided with fulcrum of spring on institute's wheel hub; One end of said fulcrum of spring is fixed on the said wheel hub; The other end leans on said locking web wheel, also is provided with switch on the said fulcrum of spring, and said switch is used to make said fulcrum of spring on said locking web wheel, to open concave point and said locking web wheel to lock and decide to switch between the concave point.

14. tire according to claim 3 is characterized in that,

15. tire according to claim 14 is characterized in that,

The cross-sectional plane of said lock is a multiaspect shape, and the vertical section of said lock is trapezoidal;

Said securing arrangement comprises: lock tube, lock dog, gland, opening device; Wherein, The tracks that said lock dog is arranged between said lock tube and the said gland, said lock dog are column, and the contact surface of said lock dog, said lock dog and said lock and the contact surface of said lock dog and said lock tube constitute one or more said unidirectional locks; Said opening device comprises easing lever, and said easing lever is used to make said unidirectional lock to be in a disengaged position.

16. tire according to claim 15 is characterized in that,

17. tire according to claim 15 is characterized in that,

Said second securing arrangement is a lock, and ring-type lock ditch is arranged on the said lock;

Said securing arrangement comprises: lock tube, lock ball, self-locking cover, elastomeric element, gland; Wherein, The internal diameter of said lock tube matches with the diameter of said lock, has on the said lock tube and the corresponding lockhole of lock ball quantity, and said lockhole is used to inlay said lock ball; The contact surface of said self-locking cover and said lock ball is a conical surface; The contact surface of the contact surface of said lock ball, said lock ball and said lock and said lock ball and said self-locking cover constitutes one or more said unidirectional locks, and when said unidirectional lock was positioned at latched position, said self-locking cover was locked in the said ring-type lock ditch on the said lock said lock ball; When said unidirectional lock was positioned at disengaged position, said self-locking cover was thrown off said lock ball from said ring-type lock ditch; Said lock tube is provided with gland, between the upper end of the said conical surface and the said gland said elastomeric element is set, and said elastomeric element is used to provide the elastic force when making said self-locking cover be in latched position.

18. tire according to claim 17 is characterized in that,

19. tire according to claim 2 is characterized in that, blocking device comprises: bolt, and an end of bolt is a screw thread, and the other end of bolt is the L type, and perhaps, said securing arrangement comprises: the hole, the check screw on hole and the main tire is complementary.

20. according to each described tire in the claim 1 to 5, it is characterized in that,

Said tire is the anti-habitual abortion of fastening nail formula; The anti-habitual abortion of said fastening nail formula comprises isolated component; Said isolated component is arranged between the inner tube of a tyre and the cover tire, and said isolated component plays the effect that the said inner tube of a tyre of protection is not damaged by anti-skid stud when anti-skid stud penetrates said cover tire inwall; Perhaps,

Said tire is the anti-habitual abortion of fastening nail formula, and the anti-habitual abortion of said fixed type is a solid tyre, and said anti-skid stud is arranged on the said solid tyre; Perhaps,

Said tire comprises anti-skid stud for the anti-habitual abortion of movable nail formula, the anti-habitual abortion of said movable nail formula, and said anti-skid stud comprises roller, anti-skid stud cover and pressure cap, and spiral nail is fixed on said anti-skid stud with said pressure cap and puts, and said roller is arranged in the said anti-skid stud cover; Said roller is used to make said hollow anti-skid stud capable of expansion and contraction; Said pressure cap is used to increase the bearing area of said hollow anti-skid stud.

21. tire according to claim 20 is characterized in that, said anti-skid stud is the hollow anti-skid stud, and the centre hole of said hollow anti-skid stud can get into ice and snow or foreign material from import, and by outlet ice and snow or foreign material is discharged.

22. mounting of tyre and disassembling system are used for installing each described tire of claim 5 to 10, it is characterized in that; Said system comprises step-up system; The two ends of said step-up system are keyed end and opening end respectively, and perhaps said keyed end and said opening end are positioned at an end of said step-up system, and said keyed end is used for and locks being connected of web wheel; Make said locking web wheel be in latched position through reinforcing; Said opening end comprises the projection identical with lock dog quantity, is used for the said lock dog of roof pressure, makes said unidirectional lock be in released state.