Adjustable spare tire hanger

Abstract

The utility model provides an adjustable spare tire hanger, which belongs to the technical field of spare tire lifters, and comprises a lifting hoist, a chain, an annular lock buckle and a spare tire support assembly. A chain is installed below the lifting hoist, and the spare tire support assembly is fixedly arranged at the bottom of the chain through the annular lock buckle. The utility model places the spare tire to be fixed on a support plate, and the chain passes through the center of the spare tire and is connected to the annular lock buckle, and then the lifting plate is driven to move downward by extending the electric telescopic rod. When the lifting plate moves downward, a plurality of positioning rods are driven to move toward the center position of the support plate through a plurality of connecting rods. The plurality of positioning rods contact the spare tire and clamp and position the spare tire. The clamping stability is better, and the spare tires of different diameters can be used. The positioning rods clamp and fix the outer surface of the spare tire and will not contact the spare tire rim. While having good stability, the service life of the spare tire rim will not be affected.

Description

Technical Field

[0001] The utility model relates to the technical field of spare tire lifters, in particular to an adjustable spare tire hanger. Background Art

[0002] Usually, a spare tire needs to be placed in a vehicle to avoid the situation that the vehicle cannot drive normally after a tire burst during driving. The spare tire of the vehicle is fixed in the vehicle through a spare tire lifter. The spare tire lifter includes a spare tire lifter bracket. In the prior art, the spare tire lifter bracket includes a center hole support boss and a bolt hole support boss. The spare tire includes a center hole and a bolt hole. When the spare tire is placed on the spare tire lifter bracket, the center hole support boss cooperates with the center hole limit position, and the bolt hole support boss cooperates with the bolt hole limit position, so that the spare tire can be fixed;

[0003] For example, a Chinese patent with the authorization announcement number CN220842735U discloses an adjustable spare tire lifter, which is provided with an adjustment component in a support shell. After the positioning rod is driven to move to a suitable position, the positioning rod is inserted into the rim of the spare tire to complete the fixation of the spare tire, saving time and effort, broadening the application scope of the lifter, and reducing the waste of resources and cost investment caused by replacing the spare tire lifter. In addition, a threaded block is provided at the bottom of the positioning rod, which facilitates the replacement of the positioning rod and is convenient for disassembly and assembly. The positioning rod is used to fix the spare tire and is easily worn, resulting in the problem of instability. The device is also further improved and more practical.

[0004] However, the device fixes the spare tire by inserting a positioning rod into the spare tire rim. The contact between the positioning rod and the spare tire rim is likely to cause deformation of the rim. In addition, during movement, if the spare tire and the positioning rod are relatively displaced, it is likely to cause friction damage to the rim. Therefore, an adjustable spare tire hanger is designed to solve the above problems. Utility Model Content

[0005] The utility model aims to solve the problems existing in the above-mentioned background technology and proposes an adjustable spare tire hanger.

[0006] The technical problem to be solved by the utility model is to provide an adjustable spare tire hanger, so as to solve the problem in the prior art that the contact between the positioning rod and the spare tire rim easily leads to the rim deformation or friction damage.

[0007] The utility model provides an adjustable spare tire hanger, comprising a lifting and slinging device, a chain, an annular lock buckle and a spare tire support assembly, wherein a chain is installed below the lifting and slinging device, and a spare tire support assembly is fixedly arranged at the bottom of the chain through the annular lock buckle;

[0008] The spare tire support assembly includes a support plate, a slide groove, a guide rod, a positioning rod, a first concave frame, an electric telescopic rod, a lifting plate, a second concave frame and a connecting rod. The annular lock is welded and arranged at the center of the upper surface of the support plate. The upper surface of the support plate is provided with a plurality of slide grooves, the inner side of the slide groove is penetrated by a guide rod, the guide rod is penetrated by a positioning rod, the bottom of the positioning rod is fixedly provided with a first concave frame, the center of the bottom surface of the support plate is fixedly installed with an electric telescopic rod, the bottom of the electric telescopic rod is fixedly provided with a lifting plate, a plurality of second concave frames are fixedly provided on the side of the lifting plate, and a connecting rod is rotatably arranged between the first concave frame and the second concave frame through a pin shaft.

[0009] Preferably, four slide grooves are provided, and the angle between two adjacent slide grooves is 90°.

[0010] Preferably, the upper surface level of the positioning rod is higher than the upper surface level of the supporting plate.

[0011] Preferably, a frosted layer is provided on a surface of one side of the positioning rod facing the center of the supporting plate.

[0012] Preferably, the annular lock buckle can release and lock the chain.

[0013] Preferably, the lifting and slinging device includes a mounting plate, mounting bolts, a motor, a winding drum and a through hole. The mounting plate is fixedly provided on the upper surface of the lifting and slinging device, and the four corners of the mounting plate are threadedly connected with mounting bolts. The motor is fixedly installed on the left side of the lifting and slinging device, and the winding drum is fixedly provided on the output end of the motor. A through hole is opened in the center of the bottom surface of the lifting and slinging device.

[0014] Preferably, the diameter of the through hole is not less than the width of the chain, and the chain is fixedly arranged on the winding drum.

[0015] Compared with the prior art, the utility model has at least the following beneficial effects:

[0016] The lifting plate is then moved downward by the lifting device so that the spare tire supporting assembly contacts the ground, and the chain is not connected to the supporting plate by unlocking the annular lock buckle, and the chain passes through the center of the spare tire and is connected to the annular lock buckle, and then the lifting plate is extended by the electric telescopic rod to move downward, and the lifting plate moves downward, and the plurality of positioning rods are driven to move to the center position of the supporting plate by the plurality of connecting rods, and the plurality of positioning rods contact the spare tire, so that the spare tire is clamped and positioned, and the clamping stability is better, and the utility model can be used for spare tires of different diameters, and the positioning rod clamps and fixes the outer surface of the spare tire, and will not contact the rim of the spare tire, and the service life of the rim of the spare tire is not affected while the stability is good.

[0017] 2. The utility model is provided with a lifting hoist. When installing the lifting hoist, the lifting hoist can be installed on the bottom of the vehicle body through the mounting bolts on the mounting plate. When adjusting the horizontal height of the spare tire support assembly, the motor is turned on, and the motor drives the winding drum to rotate. The winding drum winds up the chain or releases the chain from the winding drum, thereby achieving the effect of adjusting the horizontal height of the spare tire support assembly and facilitating the taking and placing of the spare tire. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] In order to more clearly illustrate the specific implementation of the utility model or the technical solution in the prior art, the following is a brief introduction to the drawings required for the specific implementation or the prior art description. In all the drawings, similar elements or parts are generally identified by similar reference numerals. In the drawings, each element or part is not necessarily drawn according to the actual scale.

[0019] Figure 1 It is a three-dimensional schematic diagram of the overall structure of the utility model.

[0020] Figure 2 It is a schematic diagram of the three-dimensional structure of the spare tire support assembly of the utility model.

[0021] Figure 3 This is a schematic diagram of the structure of the spare tire support assembly of the utility model when viewed from above.

[0022] Figure 4 It is a schematic diagram of the cross-sectional structure of the lifting and hoisting device of the utility model.

[0023] [reference numerals]

[0024] 1. Lifting hoist; 101. Mounting plate; 102. Mounting bolts; 103. Motor; 104. Winding drum; 105. Through hole; 2. Chain; 3. Ring lock buckle; 4. Support plate; 401. Slide groove; 402. Guide rod; 403. Positioning rod; 404. First concave frame; 405. Electric telescopic rod; 406. Lifting plate; 407. Second concave frame; 408. Connecting rod. DETAILED DESCRIPTION

[0025] Example:

[0026] like Figure 1-Figure 4 As shown, an embodiment of the utility model provides an adjustable spare tire hanger, comprising a lifting sling 1, a chain 2, an annular lock 3 and a spare tire support assembly, wherein the chain 2 is installed below the lifting sling 1, and the spare tire support assembly is fixedly arranged at the bottom of the chain 2 through the annular lock 3;

[0027] The spare tire support assembly includes a support plate 4, a slide groove 401, a guide rod 402, a positioning rod 403, a first concave frame 404, an electric telescopic rod 405, a lifting plate 406, a second concave frame 407 and a connecting rod 408. The annular lock buckle 3 is welded and arranged at the center of the upper surface of the support plate 4. A plurality of slide grooves 401 are provided on the upper surface of the support plate 4. The guide rod 402 is penetrated through the inner side of the slide groove 401. The positioning rod 403 is penetrated through the guide rod 402. The first concave frame 404 is fixedly arranged at the bottom of the positioning rod 403. The electric telescopic rod 405 is fixedly installed at the center of the bottom surface of the support plate 4. The lifting plate 406 is fixedly arranged at the bottom of the electric telescopic rod 405. A plurality of second concave frames 407 are fixedly arranged on the side of the lifting plate 406. A connecting rod 408 is rotatably arranged between the first concave frame 404 and the second concave frame 407 through a pin shaft.

[0028] The lifting plate 406 is moved downward by the electric telescopic rod 405, and the plurality of positioning rods 403 are moved toward the center of the support plate 4 by the plurality of connecting rods 408, and the plurality of positioning rods 403 contact the spare tire, so that the spare tire is clamped and positioned, and the clamping stability is better, and the spare tires with different diameters can be used.

[0029] In this embodiment, four slide grooves 401 are provided, and the angle between two adjacent slide grooves 401 is 90°, so as to ensure that the slide grooves 401 are evenly distributed on the support plate 4 .

[0030] In this embodiment, the upper surface level of the positioning rod 403 is higher than the upper surface level of the support plate 4, which facilitates the positioning rod 403 to clamp and position the spare tire.

[0031] In this embodiment, a frosted layer is provided on a surface of the positioning rod 403 facing the center of the support plate 4 to increase the friction between the positioning rod 403 and the spare tire.

[0032] In this embodiment, the annular lock buckle 3 can release and lock the chain 2, making it easy to remove the spare tire support assembly.

[0033] In this embodiment, the lifting and slinging device 1 includes a mounting plate 101, mounting bolts 102, a motor 103, a winding drum 104 and a through hole 105. The mounting plate 101 is fixedly provided on the upper surface of the lifting and slinging device 1, and the four corners of the mounting plate 101 are threadedly connected with mounting bolts 102. The motor 103 is fixedly installed on the left side of the lifting and slinging device 1, and the winding drum 104 is fixedly provided on the output end of the motor 103. A through hole 105 is opened in the center of the bottom surface of the lifting and slinging device 1.

[0034] In this embodiment, the diameter of the through hole 105 is not less than the width of the chain 2 , and the chain 2 is fixedly arranged on the winding drum 104 , so that the chain 2 can pass through the through hole 105 and the winding drum 104 can wind up the chain 2 .

[0035] By providing a lifting and slinging device 1, when installing the lifting and slinging device 1, the lifting and slinging device 1 can be installed on the bottom of the vehicle body through the mounting bolts 102 on the mounting plate 101. When adjusting the horizontal height of the spare tire support assembly, by turning on the motor 103, the motor 103 drives the winding drum 104 to rotate, and the winding drum 104 winds up the chain 2 or releases the chain 2 from the winding drum 104, the effect of adjusting the horizontal height of the spare tire support assembly is achieved, and the spare tire is convenient to take and put.

[0036] The above are only preferred implementations of the utility model. It should be pointed out that for those skilled in the art, several modifications and improvements can be made without departing from the concept of the utility model. These should also be regarded as the protection scope of the utility model. These will not affect the effect of the implementation of the utility model and the practicality of the patent.

Claims

1. An adjustable spare tire hanger, characterized in that: The invention comprises a lifting and slinging device (1), a chain (2), an annular lock buckle (3) and a spare tire support assembly, wherein the chain (2) is installed below the lifting and slinging device (1), and the spare tire support assembly is fixedly arranged at the bottom of the chain (2) via the annular lock buckle (3); The spare tire support assembly comprises a support plate (4), a slide groove (401), a guide rod (402), a positioning rod (403), a first concave frame (404), an electric telescopic rod (405), a lifting plate (406), a second concave frame (407) and a connecting rod (408); the annular lock buckle (3) is welded to the center of the upper surface of the support plate (4); the upper surface of the support plate (4) is provided with a plurality of slide grooves (401); the inner side of the slide groove (401) is penetrated by a guide rod (402); the guide rod (40 2) is provided with a positioning rod (403) running through it, a first concave frame (404) is fixedly provided at the bottom of the positioning rod (403), an electric telescopic rod (405) is fixedly installed at the center of the bottom surface of the support plate (4), a lifting plate (406) is fixedly provided at the bottom of the electric telescopic rod (405), a plurality of second concave frames (407) are fixedly provided on the side of the lifting plate (406), and a connecting rod (408) is rotatably provided between the first concave frame (404) and the second concave frame (407) via a pin shaft.

2. The adjustable spare tire hanger according to claim 1, characterized in that: There are four slide grooves (401), and the angle between two adjacent slide grooves (401) is 90°.

3. The adjustable spare tire hanger according to claim 2, characterized in that: The upper surface level of the positioning rod (403) is higher than the upper surface level of the supporting plate (4).

4. The adjustable spare tire hanger according to claim 3, characterized in that: A frosted layer is provided on one side surface of the positioning rod (403) facing the center of the support plate (4).

5. The adjustable spare tire hanger according to claim 3, characterized in that: The annular lock buckle (3) can release and lock the chain (2).

6. The adjustable spare tire hanger according to claim 1, characterized in that: The lifting and slinging device (1) comprises a mounting plate (101), mounting bolts (102), a motor (103), a winding drum (104) and a through hole (105); the mounting plate (101) is fixedly arranged on the upper surface of the lifting and slinging device (1); the four corners of the mounting plate (101) are threadedly connected with mounting bolts (102); the motor (103) is fixedly arranged on the left side of the lifting and slinging device (1); the winding drum (104) is fixedly arranged at the output end of the motor (103); and a through hole (105) is opened in the center of the bottom surface of the lifting and slinging device (1).

7. The adjustable spare tire hanger according to claim 6, characterized in that: The diameter of the through hole (105) is not less than the width of the chain (2), and the chain (2) is fixedly arranged on the winding drum (104).

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