CN213472663U

CN213472663U - Automobile spare tire

Info

Publication number: CN213472663U
Application number: CN202021556332.5U
Authority: CN
Inventors: 罗元月
Original assignee: Shaoguan Guangkong Mechanical Transmission Technology Co ltd
Current assignee: Shanghai Voda Automobile Technology Co ltd
Priority date: 2020-07-30
Filing date: 2020-07-30
Publication date: 2021-06-18
Anticipated expiration: 2030-07-30

Abstract

The utility model discloses an automobile spare tire, including wheel hub, screw rod, the screw rod equipartition sets up at the car wheel epaxial wheel hub's outer terminal surface is rotated and is installed and to install wheel hub and install the epaxial locking mechanism of car and lock the back locking mechanism can not become flexible, realizes quick convenient installation, has greatly saved installation time wheel hub's periphery movable mounting has the telescopic machanism that can adapt to different tire specifications through adjusting, makes this spare tire can be applicable to the car of different tire specifications on, increases safety of traveling the outer terminal surface of telescopic machanism is connected with the tire module.

Description

Automobile spare tire

Technical Field

The utility model relates to a spare tyre field, in particular to car spare tyre.

Background

The spare tire refers to a spare tire of an automobile, and the specification of the spare tire is the same as that of the original automobile tire. However, some vehicles adopt spare tires in the forms of special-color rim spare tires, small spare tires, zero-pressure continuous tires and the like for reminding a vehicle owner to check and replace a fault tire in time, and many vehicle manufacturers adopt non-full-size spare tires in order to save cost, the diameter and the width of the spare tire are slightly smaller than those of other 4 tires, so that the spare tire can only be used as a temporary substitute and can only be used for non-driving wheels, the highest speed cannot exceed 80km/h, accidents are easy to happen if the spare tire is not used, and the spare tire is very complicated and consumes long time when a general person manually installs the spare tire.

Accordingly, there is a need for a spare tire that is easy to install and that can accommodate different tire sizes.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing an automobile spare tire.

In order to achieve the above purpose, the utility model adopts the following scheme:

the utility model provides an automobile spare tire, includes wheel hub, wheel hub outside terminal surface encircles the center pin and has link up there are a plurality of round holes be equipped with in the round hole and can fix the epaxial a plurality of screws rod of car wheel hub the outer terminal surface of wheel hub rotates and installs and can install the locking mechanism of locking wheel hub on the car wheel hub, movable mounting has the telescopic machanism that can adapt to different tire specifications through adjusting on wheel hub's the circumference face the outer terminal surface of telescopic machanism is connected with the tire module.

Further, the locking mechanism comprises: the gear ring is characterized in that a nut which is arranged in a round hole and provided with teeth on the circumferential surface is rotated, the nut is in threaded fit with a screw on a wheel shaft, a round groove is formed in the outer end surface of the wheel hub, the round groove and the wheel hub are concentric, a first gear is installed in the round groove in a rotating mode, the first gear is meshed with the nut, a hexagonal groove capable of being inserted into a wrench is formed in the middle of the outer end surface of the first gear, a disc with hook teeth is arranged on the back surface of the first gear, a hook block capable of preventing the disc from rotating reversely is connected to the disc, a groove capable of being used for installing the hook block is formed in the round groove, the other end of the hook block penetrates through the first gear and extends to the inner side of the hexagonal groove, the other end surface of the hook block is an inclined surface, a spring capable of enabling the hook block to retract after being stressed and reset is arranged on the back surface.

Furthermore, the outer end face of the hub is provided with a cover plate capable of preventing the locking mechanism from falling off, and the outer end face of the cover plate is provided with a first bolt capable of fixing the cover plate on the hub.

Further, telescopic machanism includes: the tire turning device comprises a rotating disc, wherein the rotating disc is rotatably installed on the circumferential surface of a wheel hub, teeth are arranged on the inner circumferential wall of the rotating disc, threads are arranged on the inner circumferential surface of the rotating disc, a second gear is rotatably installed on the outer circumferential surface of the wheel hub, a hexagonal convex block used for clamping and embedding a wrench is arranged on the outer circumferential surface of the second gear, the second gear is meshed with the teeth on the inner circumferential wall of the rotating disc, a plurality of strip-shaped grooves are uniformly distributed on the circumferential surface of the wheel hub, racks are movably installed in the strip-shaped grooves, the racks are in threaded fit with the inner circumferential surface of the rotating disc, and tire modules are.

Preferably, the rack is close to the both sides face of tire module and rotates respectively and installs head rod and second connecting rod, head rod, second connecting rod respectively with adjacent side's second connecting rod, head rod inlay card cooperation and can flexible activity, the other end of head rod is equipped with the second bolt that can fasten the second connecting rod.

Preferably, the outer end face of the tire module is an arc face, and round corners are arranged on two sides of the outer end face of the tire module.

Preferably, the hub, the rack and the rotating disc are all made of high-strength aluminum alloy materials.

To sum up, the utility model discloses for its beneficial effect of prior art is:

the above technical scheme is adopted in the utility model, rotate hexagonal lug through the spanner and make second gear drive rolling disc, thereby the rolling disc passes through the specification that the spare tyre was adjusted to the outside realization that extends of screw thread drive rack, makes on this spare tyre can be applicable to the car of different tire specifications, increases the safety of traveling, then inserts the hexagonal recess with the spanner and rotates thereby the nut that makes first gear drive nut fix and realize quick convenient installation on the screw rod, has greatly saved installation time.

Drawings

Fig. 1 is a perspective view of the present invention.

Fig. 2 is an exploded view of the present invention.

Fig. 3 is an exploded cross-sectional view of the present invention.

Fig. 4 is an exploded view of the present invention.

Fig. 5 is an exploded view of the present invention.

Description of reference numerals: 1. a hub; 2. a tire module; 3. a nut; 4. rotating the disc; 5. a first connecting rod; 6. a screw; 200. a locking mechanism; 300. a telescoping mechanism; 11. a circular hole; 12. a circular groove; 13. a cover plate; 14. a first bolt; 31. a first gear; 32. a hexagonal groove; 33. a disc; 34. hooking the block; 35. a groove; 36. a spring; 41. a second gear; 42. a hexagonal bump; 43. a strip-shaped groove; 44. rotating the disc; 51. a second connecting rod.

Detailed Description

The following detailed description provides many different embodiments or examples for implementing the invention. Of course, these are merely embodiments or examples and are not intended to be limiting. In addition, repeated reference numbers, such as repeated numbers and/or letters, may be used in various embodiments. These iterations are for simplicity and clarity of describing the present invention and are not intended to represent a particular relationship between the various embodiments and/or configurations discussed.

Furthermore, spatially relative terms, such as "below" … "," below "," inside-out "," above "," upper "and the like, may be used herein to facilitate describing the relationship of one element(s) or feature(s) to another element(s) or feature(s) in the drawings and may encompass different orientations of the device in use or operation and the orientation depicted in the drawings. The devices may be turned to different orientations (rotated 90 degrees or at other orientations) and the spatially relative descriptors used therein should be interpreted accordingly and are not to be construed as limiting the invention, and the terms "first" and "second" are used for descriptive purposes only and are not intended to indicate or imply 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 one or more of that feature.

The invention will be further described with reference to the following description and embodiments in conjunction with the accompanying drawings:

as shown in fig. 1 to 5, the spare tire for the automobile comprises a hub 1 and a plurality of screws 6 capable of being connected to an axle of the automobile, wherein a plurality of round holes 11 matched with the screws 6 on the axle of the automobile penetrate through the end surface of the hub 1 around a central shaft, the screws 6 are rotatably arranged in the round holes 11, a locking mechanism 200 capable of installing the hub 1 on the axle of the automobile is rotatably installed on the outer end surface of the hub 1, the locking mechanism 200 is not loosened after the locking mechanism 200 is locked, a telescopic mechanism 300 capable of adapting to different tire specifications through adjustment is movably installed on the circumferential surface of the hub 1, and a tire module 2 is connected to the outer end surface of the telescopic mechanism 300.

The utility model discloses in locking mechanism 200 is including: the nut 3 is rotatably installed in a circular hole 11 and provided with teeth on the circumferential surface, the nut 3 is in threaded fit with a screw 6 on a wheel shaft, a circular groove 12 is formed in the outer end surface of the wheel hub 1, the circular groove 12 and the wheel hub 1 are concentric, a first gear 31 is rotatably installed in the circular groove 12, the first gear 31 is meshed with the nut 3, a hexagonal groove 32 capable of being inserted with a wrench is formed in the middle of the outer end surface of the first gear 31, a disc 33 with hook teeth is arranged on the back surface of the first gear 31, the disc 33 is connected with a hook block 34 capable of preventing the disc 33 from reversing, a groove 35 capable of installing the hook block 34 is formed in the circular groove 12, the other end of the hook block 34 penetrates through the first gear 31 and extends to the inner side of the hexagonal groove 32, the other end surface of the hook block 34 is an inclined surface, a spring 36 capable of enabling the hook block 34 to return after being stressed is arranged on the top of the, the other end of the spring 36 bears against an inner wall of the recess 35.

The utility model discloses in the apron 13 that can prevent locking mechanism 200 and drop is installed to wheel hub 1's outer terminal surface, the outer terminal surface of apron 13 is equipped with and fixes first bolt 14 on wheel hub 1 with apron 13.

The utility model discloses in telescopic machanism 300 is including: the tire turning device comprises a turning disc 4 rotatably mounted on the circumferential surface of a hub 1, wherein teeth are arranged on the inner circumferential wall of the turning disc 4, threads are arranged on the inner circumferential surface of the turning disc 4, a second gear 41 is rotatably mounted on the outer circumferential surface of the hub 1, a hexagonal convex block 42 used for clamping and embedding a wrench is arranged on the outer circumferential surface of the second gear 41, the second gear 41 is meshed with the teeth on the inner circumferential wall of the turning disc 4, a plurality of strip-shaped grooves 43 are uniformly distributed on the circumferential surface of the hub 1, a rack 44 is movably mounted in each strip-shaped groove 43, the rack 44 is in threaded fit with the inner circumferential surface of the turning disc 4, and a tire module 2 is arranged on the outer circumferential surface.

The utility model discloses in rack 44 rotates respectively near the both sides face of tire module 2 and installs head rod 5 and second connecting rod 51, head rod 5, second connecting rod 51 respectively with second connecting rod 51, the 5 inlay card cooperation of head rod of adjacent side and can flexible activity, the other end of head rod 5 is equipped with the second bolt 52 that can fasten second connecting rod 51.

The utility model discloses in the outer terminal surface of tire module 2 is equipped with the fillet for cambered surface and both sides.

The utility model discloses in wheel hub 1, rack 44, rolling disc 4 all adopt the preparation of high strength aluminum alloy material.

The utility model discloses the theory of operation as follows: rotate hexagonal lug 42 through using the tool spanner and make second gear 41 drive rolling disc 4, thereby rolling disc 4 outwards extends through screw thread drive rack 44 and realizes adjusting the specification of spare tyre, then insert hexagonal recess 32 and rotate with the spanner and make first gear 31 drive nut 3 thereby nut 3 fixes and realizes quick convenient installation on screw rod 6, dial out behind the spanner, thereby hook block 34 hooks the tooth realization on disc 33 and prevents that first gear 31 from reversing not hard up nut 3, thereby the inclined plane on spanner roof pressure hook block 34 when inserting the spanner orders about hook block 34 and keeps away from disc 33 and realizes that first gear 31 reverses thereby the dismantlement of the spare tyre of not hard up nut 3 realization of disc 33.

The basic principles and main features of the present invention and the advantages of the present invention have been shown and described above, and it should be understood by those skilled in the art that the present invention is not limited by the above embodiments, and the description in the above embodiments and the description is only illustrative of the principles of the present invention, and the present invention can be modified in various ways without departing from the spirit and scope of the present invention, and these modifications and changes fall into the scope of the present invention as claimed. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims

1. An automobile spare tire, characterized in that: including wheel hub (1), wheel hub (1) outside terminal surface has a plurality of round holes (11) to link up around the center pin be equipped with in round hole (11) and can fix a plurality of screw rods (6) that the car is epaxial wheel hub (1) outer terminal surface rotates installs and can install locking mechanism (200) of locking wheel hub (1) on the car is epaxial wheel hub's circumference movable mounting has telescopic machanism (300) that can adapt to different tire specifications through adjusting on wheel hub's (1) circumference face the outer terminal surface of telescopic machanism (300) is connected with tire module (2).

2. A spare tyre for vehicles as claimed in claim 1, wherein said locking mechanism (200) comprises: the nut (3) is rotatably installed in a round hole (11) and provided with teeth on the circumferential surface, the nut (3) is in threaded fit with a screw (6), a round groove (12) is formed in the center of the outer end surface of a hub (1), the round groove (12) and the hub (1) are concentric, a first gear (31) is rotatably installed in the round groove (12), the first gear (31) is meshed with the nut (3), a hexagonal groove (32) capable of being inserted into a wrench is formed in the middle of the outer end surface of the first gear (31), a disc (33) with hook teeth is arranged on the back of the first gear (31), the disc (33) is connected with a hook block (34) capable of preventing the disc (33) from rotating reversely, a groove (35) capable of installing the hook block (34) is formed in the round groove (12), one end of the hook block (34) penetrates through the first gear (31) and extends to the inner side of the hexagonal groove (32), the other end face of the hook block (34) is an inclined face, a spring (36) which enables the hook block (34) to return after being stressed and retracted is arranged on the back top of the hook block (34), and the other end of the spring (36) is pressed on one inner wall of the groove (35).

3. The spare wheel for vehicle according to claim 2, wherein the outer end surface of the wheel hub (1) is provided with a cover plate (13) capable of preventing the locking mechanism (200) from falling off, and the outer end surface of the cover plate (13) is provided with a first bolt (14) capable of fixing the cover plate (13) on the wheel hub (1).

4. A spare tyre for vehicles as claimed in claim 3, wherein said telescopic mechanism (300) comprises: the tire clamping device is characterized in that the tire clamping device comprises a rotating disc (4) rotatably mounted on the circumferential surface of a hub (1), teeth are arranged on the inner circumferential wall of the rotating disc (4), threads are arranged on the inner end surface of the rotating disc, a second gear (41) is rotatably mounted on the outer end surface of the hub (1), a hexagonal convex block (42) used for clamping and embedding a wrench is arranged on the outer end surface of the second gear (41), the second gear (41) is meshed with the teeth on the inner circumferential wall of the rotating disc (4), a plurality of strip-shaped grooves (43) are uniformly distributed on the circumferential surface of the hub (1), a rack (44) is movably mounted in each strip-shaped groove (43), the rack (44) is in threaded fit with the inner end surface of the rotating disc (4), and a tire module (2) is arranged on the outer end.

5. The spare tire for the automobile as claimed in claim 4, wherein the rack (44) is rotatably mounted with a first connecting rod (5) and a second connecting rod (51) near the two sides of the tire module (2), the first connecting rod (5) and the second connecting rod (51) are respectively snap-fitted with the adjacent second connecting rod (51) and the adjacent first connecting rod (5) and can be extended and retracted, and the other end of the first connecting rod (5) is provided with a second bolt (52) capable of fastening the second connecting rod (51).

6. The spare tire for automobile as claimed in claim 5, wherein the outer end face of the tire module (2) is a cambered surface and has rounded corners on both sides.

7. The spare tire for automobiles according to claim 6, wherein the hub (1), the rack (44) and the rotating disc (4) are all made of high-strength aluminum alloy materials.