CN218430720U - Combined top-free dismounting-free emergency spare tire for automobile - Google Patents

Abstract

The utility model discloses a modular exempt from to tear open emergent spare tyre of car on top, including wheel hub, install on the wheel hub will the first tire portion and the second tire portion of wheel hub outer fringe cladding, first tire portion second tire portion independently set up just first tire portion with a complete tire is constituteed to second tire portion, first tire portion at least one in the second tire portion with wheel hub can dismantle the connection, first tire portion or second tire portion follows dismantle the back on the wheel hub, the mid point of the partial exposure of wheel hub outer fringe is located the minimum of whole emergent spare tyre under rotating. The utility model discloses do not need the jack just can change spare tyre.

Description

Combined top-free dismounting-free emergency spare tire for automobile

Technical Field

The utility model relates to an emergent tire technical field especially relates to a modular exempt from to tear open emergent spare tyre of car on top.

Background

Traditional spare tyre installation need with automobile-used jack-up just can change, because vehicle body structure is complicated, the installation is dismantled to difficult independent the accomplishing of general car owner, and the jack use is higher to ground requirement simultaneously, like slope, pothole road surface, the softer unable use of all of ground. Therefore, most of the time, the traditional spare tire is similar to a nominal spare tire, many car owners select rescue service, and the waiting time and the cost of general rescue are long. And traffic jam and safety accident are easily caused by parking the vehicle on the road for a long time.

Therefore, the prior art is in need of improvement.

SUMMERY OF THE UTILITY MODEL

In view of the foregoing disadvantages of the prior art, an object of the present invention is to provide a combined top-free dismounting-free emergency spare tire for automobile, which can be replaced without a jack.

In order to achieve the purpose, the utility model adopts the following technical proposal:

a combined top-free and disassembly-free emergency spare tire for an automobile comprises a hub, a first tire part and a second tire part, wherein the first tire part and the second tire part are mounted on the hub and cover the outer edge of the hub;

the first tire part and the second tire part are independently arranged and form a complete tire;

at least one of the first tire portion and the second tire portion is detachably connected with the hub;

after the first tire part or the second tire part is detached from the hub, the middle point of the exposed part of the outer edge of the hub is positioned at the lowest point of the whole emergency spare tire when the middle point is rotated to the right lower part.

Wherein the first and second tire portions are solid rubber material.

Wherein the arc length of the first tire portion is greater than the arc length of the second tire portion.

Wherein the first tyre portion is fixed on the hub and the second tyre portion is detachably mounted on the hub.

One side of the wheel hub, which is far away from the first tire part, is provided with a plurality of first screw holes, the second tire part is provided with a plurality of second screw holes, and each second screw hole is aligned with one first screw hole and then is connected with the second tire part and the wheel hub through bolts.

The first screw holes are formed in the side face of the wheel hub, the second tire portion covers the side face of the wheel hub, where the first screw holes are formed, and the second tire portion covers the corresponding side wall of the side face of the wheel hub.

The first tire part is provided with an arc-shaped first embedding part, the second tire part is provided with an arc-shaped second embedding part, and the first embedding part is embedded with the second embedding part.

The first embedding part and the second embedding part are respectively provided with a third screw hole and a fourth screw hole, and the third screw hole and the fourth screw hole are aligned and then connected with the first embedding part and the second embedding part through bolts.

It is understood that within the scope of the present invention, the technical features of the invention described above and those described in detail in the following (for example, in the embodiments) can be combined with each other to form new or preferred technical solutions, which are not described herein in any more detail.

The utility model discloses a combination formula exempts from to tear open emergent spare tyre of car on top, including wheel hub and the first tire portion and the second tire portion of independent setting, a complete tire is constituteed to first tire portion and second tire portion, and at least one in first tire portion, the second tire portion can be dismantled with wheel hub and be connected. When the tire of car damages when the flat gas of flat tire needs to be changed if bursting, flat tire need not to pull down, earlier the utility model discloses first tire portion or the second tire portion of emergent spare tyre pull down from the wheel hub of emergent spare tyre, then with the tire portion on the wheel hub of emergent spare tyre and the wheel hub as a whole, this holistic wheel hub outer fringe exposes the part and is higher a little than the low ground clearance of flat tire on the car in the low, so under flat tire's support, can directly adorn this whole outside of flat tire on the car, then start the car with the wheel hub expose the part turn to the top after-load before the tire portion that is dismantled constitutes a tire of accomplishing, the emergent spare tyre after the dress only uses as emergency tire, can not substitute normal tire for a long-term use, should in time low-speed open near car repair factory after the installation and request the professional to change normal tire use. The utility model discloses an emergent spare tyre need not the jack and can adorn as emergent the use on the car promptly.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the structures shown in the drawings without creative efforts.

FIG. 1 is an exploded view of the combined top-free and disassembly-free emergency spare tire of the present invention;

FIG. 2 is a schematic view of the hub and first tire section as components with point B at the lowest point;

FIG. 3 is a schematic view of the structure of FIG. 2 rotated so that point B points upward;

FIG. 4 is a schematic view of the structure of FIG. 2 assembled with a second tire portion to form a complete spare tire;

fig. 5 is a schematic view of the structure of fig. 4 when point B is rotated to a position directly below.

Description of the reference numerals:

100-emergency spare tire, 1-wheel hub, 10-exposed part, 11-side surface, 21-first tire part, 211-first embedded part, 22-second tire part, 221-second embedded part, 3-first screw hole, 4-second screw hole, 5-third screw hole, 6-fourth screw hole and 7-connecting screw hole.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.

It should be noted that all the directional indicators (such as upper, lower, left, right, front, and rear … …) in the embodiments of the present invention are only used to explain the relative position relationship between the components, the motion situation, etc. in a specific posture (as shown in the drawings), and if the specific posture is changed, the directional indicator is changed accordingly.

In the present application, unless expressly stated or limited otherwise, the terms "connected" and "fixed" are to be construed broadly, e.g., "connected" may be a fixed connection or a removable connection, or may be integral therewith; can be mechanically or electrically connected; they may be directly connected or indirectly connected through intervening media, or they may be connected internally or in any other suitable relationship, unless expressly stated otherwise. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.

Furthermore, descriptions in the present application as to "first," "second," etc. are for descriptive purposes only and are not to be construed as indicating or implying relative importance or to implicitly indicate the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature.

Referring to fig. 1 and 2, the present invention provides a combined top-free and disassembly-free emergency spare tire 100 for an automobile, including a wheel hub 1, and a first tire portion 21 and a second tire portion 22 mounted on the wheel hub 1 and covering the outer edge of the wheel hub 1. The hub 1 is made of metal. Preferably, the first and second tire portions 21 and 22 are made of a solid rubber material.

The first tire portion 21 and the second tire portion 22 are independently arranged, and the first tire portion 21 and the second tire portion 22 form a complete tire. At least one of the first and second tire portions 21 and 22 is detachably connected to the hub 1. As shown in fig. 1, the first tire section 21 and the second tire section 22 are two separate parts, and at least one of the first tire section 21 and the second tire section 22 is detachable from the wheel hub 1. As shown in fig. 4, after the first tire portion 21 and the second tire portion 22 are both mounted on the wheel hub 1, the abutting portions of the first tire portion 21 and the second tire portion 22 are completely attached to form a complete tire.

The midpoint of the exposed portion 10 of the outer edge of the hub 1 after the first tire section 21 or the second tire section 22 is removed from the hub 1 is located at the lowest point of the entire emergency spare tire 100 when rotated right below.

As an embodiment, as shown in fig. 1, in the present embodiment, the first tire section 21 is fixed to the hub 1, and the second tire section 22 is detachably mounted on the hub 1. The first tyre portion 21 and the hub 1 form a whole, and the first tyre portion 21 can be fixed with the hub 1 into a whole by gluing, riveting or bolting.

As shown in fig. 2, the midpoint of the exposed portion 10 of the outer edge of the hub 1 after the second tire unit 22 is removed from the hub 1 is point B, where point O is the center point of the spare tire for emergency and the center point of the hub 1, OB is the radius of the hub, OA is the radius of the spare tire for emergency, and OB < OA. The point B is located at the lowest point of the whole emergency spare tire 100 when the midpoint B of the exposed portion 10 of the outer edge of the hub 1 is rotated right below. At this time, the lowest point of the first tire portion 21 on the hub 1 is point C, so the exposed portion of the hub 1 is a segment indicated by 10, and B is the midpoint of the exposed segment. The distance from point B to the horizontal line X1 passing through point O is D1, the distance from point C to X1 is D2, D2 < D1, and therefore point B is the lowest point of the entire emergency spare tire 100 at this time.

The utility model discloses in, the mid point of the part 10 that exposes of 1 outer fringe of wheel hub is located the minimum of whole emergent spare tyre 100 when rotating under, and such setting is after making emergent spare tyre 100 tear second tire portion 22 open, does not use the jack, directly uses the damage tire on the car as supporting, directly adorns the outside of damaging the tire. The principle is as follows: after the flat gas of the flat tire of damage tire burst, its tire radius is the thickness that the wheel hub radius adds flat rubber, and the radius of flat tire is greater than flat tire wheel hub's radius promptly, and works as the utility model discloses when emergent spare tyre 100 is installed on the car, when the mid point of the part 10 that exposes of wheel hub 1 outer fringe is under rotating, the mid point of the part 10 that exposes of whole emergent spare tyre 100 is exactly the wheel hub 1 outer fringe, and the distance of the minimum of emergent spare tyre 100 to emergent spare tyre 100's central point O this moment is exactly the radius OB of wheel hub. The hub of the emergency spare tire is the same radius as or slightly smaller than the radius of the hub of the damaged tire. The tire radius of the damaged tire is the thickness of the hub radius plus the flat rubber, which is greater than the radius OB of the hub of the emergency spare tire 100, so that when the damaged tire is supported on the ground, the lowest point of the emergency spare tire 100 has a gap with the ground, so that the emergency spare tire 100 after the second tire part 22 is detached can be directly mounted on the outer side of the damaged tire, and the damaged tire does not need to be jacked up by a jack.

Preferably, as shown in fig. 1, one side of the wheel hub 1 away from the first tire portion 21 is provided with a plurality of first screw holes 3, the second tire portion 22 is provided with a plurality of second screw holes 4, and each second screw hole 4 is aligned with one first screw hole 3 and then is connected with the second tire portion 22 and the wheel hub 1 through a bolt. That is, the second tire section 22 is fixed to the hub 1 by bolts. The utility model discloses a first screw 3 can be established in wheel hub 1's outer peripheral face or wheel hub 1's side. The first tire part 21 and the second tire part 22 have respective cross sections, and when the second tire part 22 is mounted on the wheel hub 1, the cross sections on two sides of the second tire part 22 are abutted against and combined with the cross sections on two sides of the first tire part 21 to form a complete tire covering the outer periphery of the wheel hub 1.

As one mode, as shown in fig. 1 and 4, in the present embodiment, the first screw holes 3 are formed in the side surface of the hub 1, the second tire portion 22 further covers the side surface 11 of the hub 1 where the first screw holes 3 are formed, and the second screw holes 4 are formed in the corresponding side wall of the second tire portion 22 which covers the side surface 11 of the hub. The second tire part 22 covers the side surface 11 of the hub 1 to facilitate mounting of the second tire part 22 from the direction of the side surface of the hub 1.

The utility model discloses the combination formula is exempted from to push up and is exempted from to tear open the emergent spare tyre 100 of car and installs the concrete process on the car as follows:

1. firstly, removing screws for connecting the damaged flat tire of the automobile with an axle (one screw is reserved for non-removal so as to prevent the flat tire from sliding off);

2. in the second step, the second tire part 22 of the emergency spare tire 100 of the present invention is detached from the hub 1 of the emergency spare tire 100, the hub 1 of the emergency spare tire 100 and the first tire part 21 thereon are taken as the first component, and the detached second tire part 22 is taken as the second component, and the first component is rotated, so that the point B of the exposed part 10 on the hub 1 of the first component is located at the lowest position, as shown in the position in fig. 2. The spare tire special bolts (lengthened tire bolts or nuts) penetrate through the connecting screw holes 7 in the center of the hub 1 of the component I and also penetrate through the connecting screw holes 7 of the flat tire and are tightened to install and fix the component I and the flat tire on the axle of the automobile, wherein the component I is positioned on the outer side of the flat tire, and the lowest point B of the component I is not in contact with the ground, but the flat tire is in contact with the ground for support;

3. thirdly, starting the automobile to slowly move the automobile forward until the point A of the first component is downward and the point B is upward (the point B can not be at the highest position), wherein the radius OA (the radius of the hub 1 plus the thickness of the first tire part 21) of the first component is larger than the radius of the flat tire (the radius of the hub of the flat tire plus the thickness of the rubber of the flat tire) because the first tire part 21 on the first component is made of solid rubber and has a thickness larger than that of the rubber of the flat tire, so that the first tire part 21 on the first component can be supported on the ground, and the flat tire is suspended;

4. fourthly, the second part (the second tire part 22) of the emergency spare tire 100 is mounted on the hub 1 of the first part by screws, and the whole emergency spare tire 100 can be mounted. Thus, even if the emergency spare tire 100 is rotated to the position shown in fig. 5, the point B is located right below, but the point B is no longer the lowest point of the emergency spare tire 100, because the second tire part 22 is located below the point B, the distance from the lowest point of the emergency spare tire 100 to the point O is OA, the OA is greater than the radius of the flat tire, so that the flat tire is still suspended, and the emergency spare tire 100 enables the flat tire to be suspended all the time in the rotating process after the emergency spare tire is installed, thereby avoiding the contact between the flat tire and the ground, protecting the flat tire, particularly protecting the hub of the flat tire, and avoiding the damage of the hub of the flat tire.

The utility model discloses an emergent spare tyre 100 only uses as emergent tire, can not substitute normal tire for a long time and use, should in time drive near the auto repair factory at a low speed and ask the professional to change normal tire use after installing on the car.

Preferably, the arc length of the first tyre portion 21 is greater than the arc length of the second tyre portion 22. This makes the installation of the second tire section 22 easier and quicker.

In the present invention, as shown in fig. 1, the first tire part 21 is provided with an arc-shaped first engaging part 211, the second tire part 22 is provided with an arc-shaped second engaging part 221, and the first engaging part 211 is engaged with the second engaging part 221. The arc-shaped first and second fitting portions 211 and 221 make it easier to butt-fit the first and second tire portions 21 and 22 when they are combined.

Further, the first and second fitting portions 211 and 221 are respectively provided with a third screw hole 5 and a fourth screw hole 6, and the first and second fitting portions 211 and 221 are connected by a bolt after the third and fourth screw holes 5 and 6 are aligned. I.e. the second tyre portion 22 is not only bolted to the hub 1 but also to the first tyre portion 21, which makes the second tyre portion 22 more securely mounted.

The utility model discloses a combination formula exempts from to push up and exempts from to tear open emergent spare tyre 100 of car, the installation overall process need not the jack, single can swiftly conveniently install.

And simultaneously, the utility model discloses an during emergent spare tyre 100 installation, need not to demolish flat tire, only need with the spare tyre fixed to flat tire can. The traditional spare tire is installed by taking out the jack and finding a flat and even hard road surface (if the jack is not used, the vehicle is moved to find the position again). After finding parking position, the person need bow to the vehicle bottom position and look for the support position of jack (the non-professional in position is not good to look for), then begin to adjust the height of jack (twist the screw rod on the jack and have reached support position, because this process need go on in the narrow and small space of vehicle bottom, probably need operate repeatedly and just can find suitable height), adjust behind the jack position, need tighten jack relief valve, then begin to jack up (need press about one or two hundred left and right can reach the installation standard), tear the old tyre open again, change spare tyre, screw up the screw gently (the screw is twisted to the screw and can not lead to the fact the car to slide very dangerously from the jack hard when jack-up the state), take out from the vehicle bottom after again with the jack pressure release, then tighten the screw again. The process of placing the removed used tire and jack into the vehicle is rather cumbersome and requires a certain professional ability. It is time-consuming and labor-consuming for ordinary vehicle owners.

And the utility model discloses an emergent spare tyre 100 has ingeniously utilized flat tire to make the fulcrum and has installed the partly of emergent spare tyre, then the partly of the emergent spare tyre of application rotates and switches the fulcrum to emergent spare tyre, makes the centre of a circle position of emergent spare tyre raise by low and unsettled with flat tire, adopts another part of the emergent spare tyre of combination mode installation again, forms a complete spare tyre. The links of using a jack and removing a flat tire when the spare tire is replaced in an emergency in the prior art are successfully eliminated, so that the spare tire is replaced more easily and quickly. The defects of the traditional spare tire are effectively overcome, and the cost is saved for car owners and car owners. Specifically, the utility model discloses an emergent spare tyre and traditional spare tyre installation time contrast table as follows:

from last table, the utility model discloses an emergency tire 100's installation process required time is less than the time that traditional spare tyre installation process spent far away, has improved the installation effectiveness.

The above-mentioned only for clearly explaining the examples made by the utility model, not therefore limiting the patent scope of the utility model, can't exhaust all embodiments here, all under the inventive concept, utilize the equivalent structure transform that the content among the technical scheme of the utility model was made, or direct/indirect application is all included in other relevant technical fields the utility model discloses a patent protection within range.

Claims (8)

1. A combined top-free and disassembly-free emergency spare tire for an automobile is characterized by comprising a wheel hub, a first tire part and a second tire part, wherein the first tire part and the second tire part are arranged on the wheel hub and cover the outer edge of the wheel hub;

the first tire part and the second tire part are independently arranged and form a complete tire;

at least one of the first tire portion and the second tire portion is detachably connected with the hub;

after the first tire part or the second tire part is detached from the hub, the middle point of the exposed part of the outer edge of the hub is positioned at the lowest point of the whole emergency spare tire when the middle point is rotated to the right lower side.

2. The combined roof-free and disassembly-free emergency spare tire for automobiles according to claim 1, wherein the first tire part and the second tire part are solid rubber materials.

3. The combined roof-free and disassembly-free emergency spare tire for automobiles according to claim 1, wherein the arc length of the first tire portion is greater than the arc length of the second tire portion.

4. The combined roof-free and disassembly-free emergency spare tire for automobiles according to claim 1, wherein the first tire part is fixed on the hub, and the second tire part is detachably mounted on the hub.

5. The combined top-free disassembly-free emergency spare tire for the automobile of claim 4, wherein a plurality of first screw holes are formed in one side, away from the first tire portion, of the wheel hub, a plurality of second screw holes are formed in the second tire portion, and each second screw hole is aligned with one first screw hole and then connected with the second tire portion and the wheel hub through a bolt.

6. The combined top-free disassembly-free emergency spare tire for the automobile as claimed in claim 5, wherein the first screw holes are formed in the side surface of the wheel hub, the second tire part covers the side surface of the wheel hub, in which the first screw holes are formed, and the second screw holes are formed in the corresponding side walls of the side surface of the wheel hub, which are covered by the second tire part.

7. The combined type top-free and disassembly-free emergency spare tire for automobiles as claimed in claim 6, wherein the first tire part is provided with an arc-shaped first embedding part, the second tire part is provided with an arc-shaped second embedding part, and the first embedding part is embedded with the second embedding part.

8. The combined top-free disassembly-free emergency spare tire for automobiles of claim 7, wherein the first embedding part and the second embedding part are respectively provided with a third screw hole and a fourth screw hole, and the third screw hole and the fourth screw hole are aligned and then connected with the first embedding part and the second embedding part through bolts.

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