阅读说明：本技术 一种汽车备胎升降器上可移动的升降支架 (Movable lifting support on automobile spare tire lifter ) 是由 闫红卫 于 2021-07-31 设计创作，主要内容包括：本发明公开了一种汽车备胎升降器上可移动的升降支架,包括横向条形的支架板,所述支架板两端的上端面焊接固定有竖直的定位螺柱,支架板两端的下端面上固定有铰接支耳,铰接支耳上通过铰接轴铰接在斜置的支撑杆,支撑杆下端插接有车轴,车轴的两端插套固定有滚轮；靠近铰接支耳的支撑杆上插接固定有定位销,定位销上插套有斜置的第一连杆,第一连杆的上端通过铰接轴与水平的第二连杆相铰接,第二连杆的上端面上固定有滑套,滑套插套在支架板上；所述第二连杆的另一端通过铰接轴铰接有斜置的第三连杆。(The invention discloses a movable lifting support on an automobile spare tire lifter, which comprises a transverse strip-shaped support plate, wherein vertical positioning studs are welded and fixed on the upper end surfaces of two ends of the support plate, hinged support lugs are fixed on the lower end surfaces of two ends of the support plate, the hinged support lugs are hinged on obliquely arranged support rods through hinged shafts, axles are inserted into the lower ends of the support rods, and rollers are fixed on two ends of each axle in an inserting way; a positioning pin is fixedly inserted on the supporting rod close to the hinged support lug, an obliquely arranged first connecting rod is inserted on the positioning pin, the upper end of the first connecting rod is hinged with a horizontal second connecting rod through a hinged shaft, a sliding sleeve is fixedly arranged on the upper end surface of the second connecting rod, and the sliding sleeve is inserted on the support plate; the other end of the second connecting rod is hinged with a third connecting rod which is obliquely arranged through a hinged shaft.)

1. The utility model provides a mobilizable lifting support on car spare tyre riser, includes mounting panel (1) of horizontal bar, its characterized in that: the upper end faces of two ends of the support plate (1) are fixedly welded with vertical positioning studs (2), the lower end faces of two ends of the support plate (1) are fixedly provided with hinged lugs (3), the hinged lugs (3) are hinged to obliquely arranged support rods (4) through hinged shafts, the lower ends of the support rods (4) are spliced with axles (5), and two ends of the axles (5) are fixedly spliced with rollers (6); a positioning pin (10) is fixedly inserted on the supporting rod (4) close to the hinged support lug (3), a first connecting rod (7) which is obliquely arranged is inserted on the positioning pin (10), the upper end of the first connecting rod (7) is hinged with a horizontal second connecting rod (8) through a hinged shaft, a sliding sleeve (9) is fixedly arranged on the upper end surface of the second connecting rod (8), and the sliding sleeve (9) is inserted on the support plate (1); the other end of the second connecting rod (8) is hinged with a third connecting rod (11) which is obliquely arranged through a hinge shaft;

a vertical threaded sleeve (1a) is formed in the middle of the upper end face of the support plate (1), a vertical guide pipe (1b) is formed in the middle of the lower end face of the support plate (1), a vertical upper guide groove (1c) is formed in the outer wall, opposite to the threaded sleeve (1a), of the support plate, and a vertical lower guide groove (1d) is formed in the outer wall, opposite to the guide pipe (1 b); a lifting sleeve (12) is inserted and sleeved on the guide pipe (1b), an ear seat (12a) is formed on the outer wall of the lifting sleeve (12) opposite to the ear seat, and the lower end of the third connecting rod (11) is hinged with the ear seat (12a) through a hinged shaft; a vertical linkage column (14) is inserted into the guide pipe (1b), a plurality of horizontal connecting shafts (13) are fixedly inserted into the linkage column (14), and two ends of each connecting shaft (13) penetrate through the lower guide groove (1d) and are fixedly inserted into the lifting sleeve (12); the upper end of the linkage column (14) penetrates through the support plate (1) and is inserted into the threaded sleeve (1a) and fixedly connected with a horizontal support shaft (15), two ends of the support shaft (15) penetrate through an upper guide groove (1c) of the threaded sleeve (1a) and abut against a support sleeve (16), and the support sleeve (16) is located on the lower side of the support shaft (15) and is in threaded connection with the threaded sleeve (1 a).

2. The movable lifting bracket on the automobile spare tire lifter as claimed in claim 1, wherein: a plurality of limiting notches (16a) are formed in the outer wall of the supporting sleeve (16), and the limiting notches (16a) are uniformly distributed in an annular shape around the central axis of the supporting sleeve (16).

3. The movable lifting bracket on the automobile spare tire lifter as claimed in claim 1, wherein: a circular hub is formed in the middle of the support plate (1), a central hole is formed in the hub, and the central axis of the threaded sleeve (1a) is coincident with the central axis of the guide pipe (1 b).

4. The movable lifting bracket on the automobile spare tire lifter as claimed in claim 1, wherein: the inclination angle of the third connecting rod (11) is opposite to that of the first connecting rod (7), the inclination angle of the third connecting rod (11) is the same as that of the supporting rod (4), and the roller (6) at the lower end of the supporting rod (4) is positioned on the lower side of the guide pipe (1 b).

5. The movable lifting bracket on the automobile spare tire lifter as claimed in claim 1, wherein: a lifting ring (17) is arranged above the support plate (1), a threaded connector (17a) is formed at the lower end of the lifting ring (17), and the threaded connector (17a) is fixed at the upper end of the threaded sleeve (1a) in a threaded mode.

6. The movable lifting bracket on the automobile spare tire lifter as claimed in claim 1, wherein: the diameter of the outer wall of the guide pipe (1b) is equal to that of the inner wall of the lifting sleeve (12).

7. The movable lifting bracket on the automobile spare tire lifter as claimed in claim 1, wherein: the inner wall of the sliding sleeve (9) is abutted against the side wall and the upper and lower end faces of the support plate (1).

Technical Field

The invention relates to the technical field of automobile spare tire lifters, in particular to a movable lifting support on an automobile spare tire lifter.

Background

At present, the automobile spare tire lifter is a special part on a truck generally, and because the spare tire of the truck is higher and heavier away from the ground, and is difficult to disassemble manually, the spare tire lifter is required to lift the spare tire so as to achieve the purpose of replacement. The spare tire lifter is generally divided into a steel wire rope type and a chain type, wherein the lower end of a steel wire rope or a chain on the spare tire lifter is fixedly connected with a horizontal strip-shaped support plate, two ends of the support plate are fixedly provided with studs, the support plate can be inserted into a tire and is arranged on the lower surface of a hub on the inner side of the tire, and the studs are inserted into mounting holes of the hub; when the spare tire of the truck falls onto the ground, the support plate continuously moves downwards to be separated from the hub in the spare tire of the truck, and the support plate can be turned to be vertical and taken out from the central hole of the hub; however, since the spare tire of the truck is generally disposed under the truck, it is necessary to take out the spare tire from under the truck and move the spare tire to the wheel mounting location, and it is laborious to carry the spare tire.

Disclosure of Invention

The invention aims to overcome the defects in the prior art, and provides a movable lifting support on an automobile spare tire lifter.

In order to achieve the purpose, the technical scheme adopted by the invention is as follows:

a movable lifting support on an automobile spare tire lifter comprises a transverse strip-shaped support plate, wherein vertical positioning studs are welded and fixed on the upper end faces of two ends of the support plate, hinged support lugs are fixed on the lower end faces of two ends of the support plate, the hinged support lugs are hinged to obliquely arranged support rods through hinged shafts, axles are inserted into the lower ends of the support rods, and rollers are fixed on two end insertion sleeves of the axles; a positioning pin is fixedly inserted on the supporting rod close to the hinged support lug, an inclined first connecting rod is inserted on the positioning pin, the upper end of the first connecting rod is hinged with a horizontal second connecting rod through a hinged shaft, a sliding sleeve is fixedly arranged on the upper end surface of the second connecting rod, and the sliding sleeve is inserted on the support plate; the other end of the second connecting rod is hinged with a third connecting rod which is obliquely arranged through a hinge shaft;

a vertical threaded sleeve is formed in the middle of the upper end face of the support plate, a vertical guide pipe is formed in the middle of the lower end face of the support plate, a vertical upper guide groove is formed in the outer wall, opposite to the threaded sleeve, of the threaded sleeve, and a vertical lower guide groove is formed in the outer wall, opposite to the guide pipe, of the guide pipe; a lifting sleeve is inserted and sleeved on the guide pipe, an ear seat is formed on the outer wall opposite to the lifting sleeve, and the lower end of the third connecting rod is hinged with the ear seat through a hinged shaft; a vertical linkage column is inserted into the guide pipe, a plurality of horizontal connecting shafts are inserted and fixed on the linkage column, and two ends of each connecting shaft penetrate through the lower guide groove and are inserted and fixed on the lifting sleeve; the upper end of the linkage column penetrates through the support plate and is inserted into the threaded sleeve and fixedly connected with a horizontal support shaft in an inserting mode, two ends of the support shaft penetrate through an upper guide groove of the threaded sleeve and abut against the support sleeve, and the support sleeve is located on the lower side of the support shaft and is in threaded connection with the threaded sleeve.

Preferably, a plurality of limiting notches are formed in the outer wall of the supporting sleeve, and the limiting notches are uniformly distributed in an annular shape around the central axis of the supporting sleeve.

Preferably, a circular hub is formed in the middle of the support plate, a central hole is formed in the hub, and the central axis of the threaded sleeve coincides with the central axis of the guide tube.

Preferably, the inclination angle of the third connecting rod is opposite to that of the first connecting rod, the inclination angle of the third connecting rod is the same as that of the supporting rod, and the roller at the lower end of the supporting rod is positioned on the lower side of the guide pipe.

Preferably, a hanging ring is arranged above the support plate, a threaded connector is formed at the lower end of the hanging ring, and the threaded connector is fixed to the upper end of the threaded sleeve in a threaded mode.

Preferably, the diameter of the outer wall of the guide pipe is equal to that of the inner wall of the lifting sleeve.

Preferably, the inner wall of the sliding sleeve is abutted against the side wall, the upper end face and the lower end face of the support plate.

The invention has the beneficial effects that: the adopted lifting support can lift the automobile spare tire, can assist the movement of the automobile spare tire and is convenient for carrying the automobile spare tire; meanwhile, the lifting support can be folded, and after the folding, the central hole of the hub on the automobile spare tire can be taken out.

Drawings

FIG. 1 is a schematic perspective view of the present invention;

FIG. 2 is a schematic top view of the present invention;

FIG. 3 is a front view of the present invention;

fig. 4 is a schematic sectional view at a-a in fig. 3.

In the figure: 1. a mounting plate; 1a, a threaded sleeve; 1b, a guide tube; 1c, an upper guide groove; 1d, a lower guide groove; 2. positioning the stud; 3. a hinged lug; 4. a support bar; 5. an axle; 6. a roller; 7. a first link; 8. a second link; 9. a sliding sleeve; 10. positioning pins; 11. a third link; 12. a lifting sleeve; 12a, an ear mount; 13. a connecting shaft; 14. a linkage column; 15. a support shaft; 16. a support sleeve; 16a, a limit notch; 17. a hoisting ring; 17a and a threaded connector.

Detailed Description

Example (b): as shown in fig. 1 to 4, the movable lifting support on the automobile spare tire lifter comprises a transverse strip-shaped support plate 1, wherein vertical positioning studs 2 are welded and fixed on the upper end surfaces of two ends of the support plate 1, hinged support lugs 3 are fixed on the lower end surfaces of two ends of the support plate 1, the hinged support lugs 3 are hinged to inclined support rods 4 through hinged shafts, axles 5 are inserted into the lower ends of the support rods 4, and rollers 6 are fixed on two ends of the axles 5 in an inserting and sleeving manner; a positioning pin 10 is fixedly inserted on the support rod 4 close to the hinged support lug 3, an obliquely arranged first connecting rod 7 is inserted on the positioning pin 10, the upper end of the first connecting rod 7 is hinged with a horizontal second connecting rod 8 through a hinged shaft, a sliding sleeve 9 is fixed on the upper end surface of the second connecting rod 8, and the sliding sleeve 9 is inserted on the support plate 1; the other end of the second connecting rod 8 is hinged with a third connecting rod 11 which is obliquely arranged through a hinge shaft;

a vertical threaded sleeve 1a is formed in the middle of the upper end face of the support plate 1, a vertical guide pipe 1b is formed in the middle of the lower end face of the support plate 1, a vertical upper guide groove 1c is formed in the outer wall, opposite to the threaded sleeve 1a, of the guide pipe 1b, and a vertical lower guide groove 1d is formed in the outer wall, opposite to the guide pipe 1 b; a lifting sleeve 12 is inserted and sleeved on the guide pipe 1b, an ear seat 12a is formed on the outer wall of the lifting sleeve 12, and the lower end of the third connecting rod 11 is hinged with the ear seat 12a through a hinge shaft; a vertical linkage column 14 is inserted into the guide pipe 1b, a plurality of horizontal connecting shafts 13 are fixedly inserted into the linkage column 14, and two ends of each connecting shaft 13 penetrate through the lower guide grooves 1d and are fixedly inserted into the lifting sleeve 12; the upper end of the linkage column 14 penetrates through the support plate 1 and is inserted into the threaded sleeve 1a, a horizontal support shaft 15 is inserted and fixed in the threaded sleeve 1a, two ends of the support shaft 15 penetrate through the upper guide groove 1c of the threaded sleeve 1a and abut against a support sleeve 16, and the support sleeve 16 is located on the lower side of the support shaft 15 and is in threaded connection with the threaded sleeve 1 a.

A plurality of limiting notches 16a are formed in the outer wall of the supporting sleeve 16, and the limiting notches 16a are uniformly distributed around the central axis of the supporting sleeve 16 in an annular shape.

A circular hub is formed in the middle of the support plate 1, a central hole is formed in the hub, and the central axis of the threaded sleeve 1a is coincident with the central axis of the guide pipe 1 b.

The inclination angle of the third connecting rod 11 is opposite to that of the first connecting rod 7, the inclination angle of the third connecting rod 11 is the same as that of the supporting rod 4, and the roller 6 at the lower end of the supporting rod 4 is positioned at the lower side of the guide pipe 1 b.

A hanging ring 17 is arranged above the support plate 1, a threaded connector 17a is formed at the lower end of the hanging ring 17, and the threaded connector 17a is fixed at the upper end of the threaded sleeve 1a in a threaded mode.

The diameter of the outer wall of the guide pipe 1b is equal to that of the inner wall of the lifting sleeve 12.

The inner wall of the sliding sleeve 9 is abutted against the side wall, the upper end face and the lower end face of the support plate 1.

The working principle is as follows: the invention is a movable lifting support on an automobile spare tire lifter, the structure diagram of the lifting support is shown in figure 1, the lifting support in figure 1 is an unfolded structure, a support plate 1 on the lifting support can be abutted against the lower surface of a hub in a truck spare tire, a positioning stud 2 is inserted in a mounting hole of the hub, a roller 6 is contacted with the ground, the truck spare tire is lifted up by a support rod 4 to be separated from the ground, then the spare tire is supported, and the carrying movement of the spare tire is realized by the roller 6;

when the tire is moved to a tire changing position; the supporting sleeve 16 can be rotated to drive the supporting sleeve 16 to move downwards, the linkage column 14 loses the restraint of the supporting sleeve 16 to move downwards, the overturning inclination angle of the supporting rod 4 is reduced under the action of the gravity of the spare tire, the second connecting rod 8 moves towards the middle part of the support plate 1, and the lifting sleeve 12 moves downwards at the same time, so that the lifting support can be folded and furled, furled and overturned and taken out from the central hole of the hub.

The examples are intended to illustrate the invention, but not to limit it. The described embodiments may be modified by those skilled in the art without departing from the spirit and scope of the present invention, and therefore, the scope of the appended claims should be accorded the full scope of the invention as set forth in the appended claims.