Spare tire mounting rack for trailer

Abstract

The spare tire mounting frame for the trailer comprises a trailer bottom plate, supporting rods are symmetrically and fixedly mounted on the lower end face of the trailer bottom plate, a same bearing plate is rotationally connected between the two supporting rods, and a fixing assembly facilitating quick fixed mounting of a spare tire is mounted on the bearing plate. A sliding-out assembly facilitating sliding-out of the spare tire is installed on the side, away from the supporting rod, of the bearing plate. According to the spare tire clamping device, a spare tire is placed on the bearing plate and is close to the abutting plate, then the hydraulic telescopic cylinder is started to push the pushing block to move, the two clamping plates are driven to rotate along the connecting column through mutual cooperation of the transmission rod, the movable groove and the connecting column while the pushing block moves, and therefore the spare tire is clamped and fixed; and when the spare tire is clamped by the two clamping plates, the spare tire is further fixed through the arranged extension plate, so that the clamping stability of the spare tire is improved, and time and labor are saved.

Description

Technical Field

[0001] The utility model relates to the technical field of trailer accessories and equipment, in particular to a spare tire mounting rack for a trailer. Background Art

[0002] A trailer is a non-powered road vehicle that needs to be towed by a car for normal use due to its design and technical characteristics. It is used to carry people or goods or for other special purposes. The logistics industry is currently developing in a good trend, and trailers have advantages in transportation. A spare tire is usually installed on a semi-trailer in case a tire bursts during driving and the vehicle cannot be transported, in case of emergency. The spare tire rack is a bracket for placing the spare tire, which is often set between the two cross beams at the bottom of the trailer frame or at the lower end of the two longitudinal beams.

[0003] At present, most of the existing spare tire racks use bolts to fasten the spare tire. Assembly and disassembly of the spare tire requires repeated tightening of many circles to fasten or disassemble the spare tire, which is time-consuming and laborious. Therefore, the utility model provides a spare tire mounting rack for a trailer, which solves the above problem through limiting structures such as a hydraulic telescopic cylinder and a resistance plate. Utility Model Content

[0004] In view of the deficiencies in the prior art, the utility model provides a spare tire mounting rack for a trailer, which solves the above problems.

[0005] To achieve the above purpose, the utility model is implemented through the following technical solutions: a spare tire mounting rack for a trailer, comprising a vehicle floor, a support rod is symmetrically fixedly mounted on the lower end surface of the vehicle floor, a same bearing plate is rotatably connected between two of the support rods, a fixing assembly is mounted on the bearing plate to facilitate fast fixing and mounting of the spare tire, and a sliding assembly is mounted on the side of the bearing plate away from the support rod to facilitate sliding out of the spare tire;

[0006] The fixing assembly includes a hydraulic telescopic cylinder fixedly installed on one side of the bearing plate, a fixing plate fixedly installed on one side of the top of the bearing plate, an output end of the hydraulic telescopic cylinder penetrates into one side of the fixing plate and is fixedly installed with a pushing block, transmission rods are symmetrically connected to the top of the pushing block on both sides, a U-shaped bracket is fixedly installed on one side of the fixing plate, a fixing rod is fixedly installed on one side of the U-shaped bracket, a resistance plate is fixedly installed on one end of the fixing rod, one end of the two transmission rods are rotatably connected to clamping plates, a movable groove is opened in the middle of the two clamping plates, connecting columns are symmetrically connected to the upper end surface of the bearing plate on both sides, the tops of the two connecting columns penetrate to the top of the movable groove through a rotating shaft, connecting blocks are fixedly installed at both ends of the resistance plate, the two connecting blocks are rotatably connected to the outer surface of the connecting column, and extension plates are fixedly installed on one side of the top of the two clamping plates.

[0007] Preferably, the sliding-out component includes a protection box fixedly installed on one side of the bottom of the vehicle floor. A driving motor is fixedly installed inside the protection box. Connecting vertical plates are symmetrically and fixedly installed on the bottom of the vehicle floor. A connecting rod is rotatably connected between the two connecting vertical plates. Winding wheels are symmetrically and fixedly installed on the outer surfaces of both ends of the connecting rod. The output end of the driving motor is fixedly installed at one end of the connecting rod. Fixed pulleys are rotatably connected to both sides of the bearing plate symmetrically. Steel wire ropes are arranged on the two winding wheels, and one end of each steel wire rope is fixedly installed on the outer surface of the fixed pulley.

[0008] Preferably, the contact plate and one side of each of the two clamping plates are both arc-shaped.

[0009] Preferably, the bottom of the pushing block is in contact with the upper end surface of the bearing plate.

[0010] Preferably, the height of the clamping plate is higher than the thickness of the spare tire.

[0011] Preferably, the width of the extension plate is greater than the width of the spare tire.

[0012] Preferably, balls are evenly embedded on one side of the upper end surface of the bearing plate.

[0013] Beneficial effects

[0014] The present utility model provides a spare tire mounting rack for a trailer. Compared with the prior art, it has the following beneficial effects:

[0015] (1) In the present utility model, the spare tire is placed on the bearing plate and close to the contact plate, and then the hydraulic telescopic cylinder is started to push the pushing block to move. While the pushing block is moving, through the mutual cooperation among the transmission rod, the movable groove and the connecting column, the two clamping plates are driven to rotate along the connecting column, so as to clamp and fix the spare tire. When the two clamping plates clamp the spare tire, at the same time, the spare tire is further fixed by the arranged extension plate, thereby improving the clamping stability of the spare tire, and it is time-saving and labor-saving.

[0016] (2) In the present utility model, the driving motor is started to drive the steel wire ropes at both ends of the connecting rod to rotate, and the bearing plate rotates under the action of gravity, so that the bearing plate is inclined. Through the balls evenly embedded on one side of the upper end surface of the bearing plate, the spare tire slides down along the inclined bearing plate to the ground, thereby improving the convenience and safety of loading and unloading the spare tire. Description of the drawings

[0017] Figure 1 is the three-dimensional external structure diagram of the present utility model;

[0018] Figure 2 is the top view of the internal structure of the present utility model;

[0019] Figure 3 is the schematic diagram of the fixing component of the present utility model;

[0020] Figure 4 It is a schematic structural diagram of the structure at position A in the fixing component of the present utility model;

[0021] Figure 5 It is a schematic diagram of the sliding-out component of the present utility model.

[0022] In the figure: 1. vehicle bottom plate; 2. support rod; 3. bearing plate; 4. ball; 100. fixing component; 101. hydraulic telescopic cylinder; 102. fixing plate; 103. pushing block; 104. transmission rod; 105. U-shaped bracket; 106. fixing rod; 107. abutting plate; 108. clamping plate; 109. movable groove; 110. connecting column; 111. connecting block; 112. extension plate; 200. sliding-out component; 201. protection box; 202. driving motor; 203. connecting vertical plate; 204. connecting rod; 205. winding wheel; 206. fixed pulley; 207. steel wire rope. Specific embodiments

[0023] Next, the technical solutions in the embodiments of the present utility model will be clearly and completely described in conjunction with the accompanying drawings in the embodiments of the present utility model. Obviously, the described embodiments are only a part of the embodiments of the present utility model, rather than all the embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without making creative efforts shall fall within the protection scope of the present utility model.

[0024] Embodiment 1:

[0025] Please refer to Figures 1-5 , a spare tire mounting rack for a trailer, including a vehicle bottom plate 1, symmetrically and fixedly installed support rods 2 on the lower end surface of the vehicle bottom plate 1, a same bearing plate 3 is rotatably connected between the two support rods 2, a plurality of balls 4 are evenly embedded on one side of the upper end surface of the bearing plate 3, a fixing component 100 for quickly and fixedly installing a spare tire is installed on the bearing plate 3, and a sliding-out component 200 for facilitating the sliding out of the spare tire is installed on the side of the bearing plate 3 away from the support rod 2;

[0026] The fixing assembly 100 includes a hydraulic telescopic cylinder 101 fixedly mounted on one side of the bearing plate 3, the input end of the hydraulic telescopic cylinder 101 is connected to the battery through an external cable, a fixing plate 102 is fixedly mounted on one side of the top of the bearing plate 3, the output end of the hydraulic telescopic cylinder 101 passes through one side of the fixing plate 102 and is fixedly mounted with a pushing block 103, the bottom of the pushing block 103 is in contact with the upper end surface of the bearing plate 3, the top of the pushing block 103 is symmetrically connected to the transmission rod 104 on both sides, a U-shaped bracket 105 is fixedly mounted on one side of the fixing plate 102, a fixing rod 106 is fixedly mounted on one side of the U-shaped bracket 105, a contact plate 107 is fixedly mounted on one end of the fixing rod 106, and one end of the two transmission rods 104 are both rotatably connected to the clamping plate 1 08, the height of the clamping plate 108 is higher than the thickness of the spare tire, the contact plate 107 and one side of the two clamping plates 108 are both arranged in an arc shape, and the two clamping plates 108 and the contact plate 107 are arranged in an equilateral triangle, and a movable groove 109 is opened in the middle of the two clamping plates 108, and the upper end surface of the load-bearing plate 3 is symmetrically connected to the connecting columns 110 on both sides, and the tops of the two connecting columns 110 are penetrated to the top of the movable groove 109 through the rotating shaft, and the two ends of the contact plate 107 are fixedly installed with connecting blocks 111, and the two connecting blocks 111 are rotatably connected to the outer surface of the connecting column 110, and the top side of the two clamping plates 108 is fixedly installed with an extension plate 112, and the spare tire is located below the extension plate 112, and the width of the extension plate 112 is greater than the width of the spare tire;

[0027] The spare tire can be quickly clamped and fixed by the set fixing component 100. When the spare tire needs to be quickly fixed and installed, first put the spare tire on the load-bearing plate 3 and close to the resistance plate 107, then start the hydraulic telescopic cylinder 101 to push the pushing block 103 to move. While the pushing block 103 moves, the two clamping plates 108 are driven to rotate relative to each other through the cooperation of the transmission rod 104, thereby driving the two clamping plates 108 to clamp and fix the spare tire. When the two clamping plates 108 clamp the spare tire, the top of the spare tire is fixed by the set extension plate 112 to prevent the spare tire from detaching from the two clamping plates 108 due to road bumps during driving of the trailer, thereby quickly clamping and fixing the spare tire.

[0028] Embodiment 2:

[0029] See also Figures 1-5This embodiment provides a technical solution based on the first embodiment: the slide-out assembly 200 includes a protection box 201 fixedly installed on one side of the bottom of the vehicle floor 1, a drive motor 202 is fixedly installed inside the protection box 201, the input end of the drive motor 202 is connected to the battery through an external cable, a connecting vertical plate 203 is symmetrically fixedly installed at the bottom of the vehicle floor 1, a connecting rod 204 is rotatably connected between the two connecting vertical plates 203, and winding wheels 205 are symmetrically fixedly installed on the outer surfaces of both ends of the connecting rod 204, the output end of the drive motor 202 is fixedly installed at one end of the connecting rod 204, and the two sides of the bearing plate 3 are rotatably connected to the fixed sliding plate 203. Wheel 206, a wire rope 207 is arranged on the winding wheel 205, one end of the wire rope 207 is fixedly mounted on the outer surface of the fixed pulley 206, and the slide-out assembly 200 is arranged to effectively move the spare tire to the ground. When the spare tire needs to be moved to the ground, the winding wheels 205 at both ends of the connecting rod 204 are driven to rotate by starting the driving motor 202, thereby driving the wire rope 207 wound on the winding wheel 205 to loosen the rope, so that the supporting plate 3 rotates along the connecting vertical plate 203, so that the supporting plate 3 is inclined, and then the spare tire slides to the ground by its own gravity, thereby effectively moving the spare tire to the ground.

[0030] Meanwhile, the contents not described in detail in this specification belong to the prior art known to those skilled in the art.

[0031] When the spare tire needs to be installed on the vehicle floor 1, the spare tire is first placed on the load-bearing plate 3 and close to the abutment plate 107, and then the hydraulic telescopic cylinder 101 is started to push the push block 103 to move. While the push block 103 moves, the two clamping plates 108 are driven to rotate relative to each other through the cooperation of the transmission rod 104, thereby driving the two clamping plates 108 to clamp and fix the spare tire. When the two clamping plates 108 clamp the spare tire, the top of the spare tire is abutted and fixed by the provided extension plate 112, so as to prevent the spare tire from being separated from the two clamping plates 108 due to road bumps during the driving of the trailer. 8, so as to quickly fix and install the spare tire. When the spare tire needs to be taken out, first start the hydraulic telescopic cylinder 101 to drive the push block 103 to move, so that the two clamping plates 108 are relatively far away from each other, and then start the drive motor 202 to drive the winding wheels 205 at both ends of the connecting rod 204 to rotate, thereby driving the wire rope 207 wound on the winding wheel 205 to loosen the rope, so that the bearing plate 3 rotates along the connecting vertical plate 203, so that the bearing plate 3 is inclined, and then the spare tire slides smoothly to the ground through its own gravity and the cooperation of the ball 4, saving a lot of manpower.

[0032] It should be noted that in this text, relational terms such as first and second are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any actual relationship or order between these entities or operations. Moreover, the terms "comprising", "including" or any other variant thereof are intended to cover non-exclusive inclusion, so that a process, method, article or device comprising a series of elements not only includes those elements, but also includes other elements not expressly listed, or elements inherent to such process, method, article or device.

[0033] Although the embodiments of the present invention have been shown and described, those of ordinary skill in the art can understand that various changes, modifications, substitutions and variations can be made to these embodiments without departing from the principles and spirit of the present invention. The scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A spare tire mounting bracket for a trailer, comprising a vehicle floor board (1), characterized in that: A support rod (2) is symmetrically fixedly mounted on the lower end surface of the vehicle floor (1); a same bearing plate (3) is rotatably connected between the two support rods (2); a fixing assembly (100) for quickly fixing and mounting the spare tire is mounted on the bearing plate (3); and a sliding-out assembly (200) for facilitating the sliding out of the spare tire is mounted on the side of the bearing plate (3) away from the support rod (2); The fixing assembly (100) comprises a hydraulic telescopic cylinder (101) fixedly mounted on one side of a bearing plate (3); a fixing plate (102) is fixedly mounted on one side of the top of the bearing plate (3); an output end of the hydraulic telescopic cylinder (101) passes through one side of the fixing plate (102) and is fixedly mounted with a pushing block (103); both sides of the top of the pushing block (103) are symmetrically connected to a transmission rod (104) for rotation; a U-shaped bracket (105) is fixedly mounted on one side of the fixing plate (102); a fixing rod (106) is fixedly mounted on one side of the U-shaped bracket (105); and a bearing rod (106) is fixedly mounted on one end of the fixing rod (106). A contact plate (107), one end of each of the two transmission rods (104) is rotatably connected to a clamping plate (108), a movable groove (109) is provided in the middle of the two clamping plates (108), the upper end surface of the support plate (3) is symmetrically rotatably connected to connecting columns (110) on both sides, the tops of the two connecting columns (110) are both penetrated to the top of the movable groove (109) through a rotating shaft, connecting blocks (111) are fixedly installed at both ends of the contact plate (107), the two connecting blocks (111) are rotatably connected to the outer surface of the connecting column (110), and an extension plate (112) is fixedly installed on one side of the top of each of the two clamping plates (108).

2. The spare tire mounting bracket for a trailer according to claim 1, characterized in that: The slide-out assembly (200) comprises a protection box (201) fixedly mounted on one side of the bottom of the vehicle floor (1); a driving motor (202) is fixedly mounted inside the protection box (201); a connecting vertical plate (203) is symmetrically fixedly mounted on the bottom of the vehicle floor (1); a connecting rod (204) is rotatably connected between the two connecting vertical plates (203); winding wheels (205) are symmetrically fixedly mounted on the outer surfaces of both ends of the connecting rod (204); an output end of the driving motor (202) is fixedly mounted on one end of the connecting rod (204); fixed pulleys (206) are symmetrically rotatably connected on both sides of the bearing plate (3); steel wire ropes (207) are arranged on the two winding wheels (205); one end of the steel wire rope (207) is fixedly mounted on the outer surface of the fixed pulley (206).

3. The spare tire mounting bracket for a trailer according to claim 1, wherein: One side of the abutment plate (107) and the two clamping plates (108) are both arranged in an arc shape.

4. The spare tire mounting bracket for a trailer according to claim 1, characterized in that: The bottom of the pushing block (103) is in contact with the upper end surface of the carrying plate (3).

5. The spare tire mounting bracket for a trailer according to claim 1, wherein: The height of the clamping plate (108) is higher than the thickness of the spare tire.

6. The spare tire mounting bracket for a trailer according to claim 1, characterized in that: The width of the extension plate (112) is greater than the width of the spare tire.

7. The spare tire mounting bracket for a trailer according to claim 1, characterized in that: One side of the upper end surface of the bearing plate (3) is evenly inlaid with balls (4).

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