Motor home tail bearing frame

Abstract

The utility model provides a motor home tail bearing frame. The motor home tail bearing frame comprises a fixed support; the swinging bracket is rotationally mounted on one side of the fixed bracket; the bearing support is hinged to the swing support and moves up and down along with rotation of the swing support. The lifting driving part is installed at the top end of the fixing support, and the output end of the lifting driving part is connected with the bearing support; the limiting assembly is used for connecting the folded swinging bracket and the fixed bracket into a whole; the swing support is rotatably arranged and matched with the lifting driving part, the bearing support moves up and down in a reciprocating mode, meanwhile, the limiting assembly is arranged, the swing support and the fixed support are folded to form a whole, the stability of the bearing support in the traveling process is improved, and the problem that in the prior art, the bearing support is damaged is solved. And the luggage rack is easy to shake and unstable in the driving process.

Description

Technical Field

[0001] The utility model relates to the technical field of recreational vehicles, in particular to a rear load-bearing frame of a recreational vehicle. Background Art

[0002] RV racks are devices used to carry extra gear on the outside of an RV, such as bicycles, motorcycles, spare tires, storage boxes, etc. These racks are designed to increase the practicality of the RV and the convenience of traveling.

[0003] Chinese patent CN201420039182.9 discloses a lifting luggage rack for the rear of a car, comprising a car body and a luggage rack with an L-shaped cross section, two connecting rods are rotatably connected to the two sides of the vertical part of the luggage rack, the other end of the connecting rod is rotatably installed at the bottom end of the rear of the car body, the connecting rods are arranged in parallel, the rear of the car body corresponding to the position of the connecting rod is also formed with a groove for embedding the connecting rod, and a winch is also provided at the center of the upper middle part of the rear of the car body, the winch is wound with a steel wire rope, and one end of the steel wire rope is fixedly connected to the top of the luggage rack. In this way, the luggage rack can be moved up and down by the swing of the connecting rod, and the luggage rack is put down when placing the luggage, and the luggage rack is lifted up by the winch after the placement is completed, so that the luggage rack can be hung at a higher position at the rear of the car body after being lifted, and will not affect the departure angle of the vehicle.

[0004] However, this technical solution cannot ensure that the position of the connecting rod remains unchanged when the luggage rack is raised to the top, which affects the stability of the luggage rack during driving. Utility Model Content

[0005] The purpose of the utility model is to provide a rear load-bearing frame for a motorhome in view of the deficiencies in the prior art. By means of a rotatably arranged swinging bracket and in cooperation with a lifting drive unit, the load-bearing bracket can be reciprocated up and down. At the same time, a limit assembly is provided to close the swinging bracket and the fixed bracket to form a whole, thereby improving the stability of the load-bearing bracket during driving and solving the technical problem in the prior art that the luggage rack is prone to shaking and instability during driving.

[0006] In order to achieve the above purpose, the utility model provides the following technical solutions:

[0007] A rear load-bearing frame of a motorhome, characterized by comprising:

[0008] Fixed bracket;

[0009] The swing bracket is rotatably mounted on one side of the fixed bracket;

[0010] A load-bearing bracket, the load-bearing bracket is hinged to the swing bracket and moves up and down with the rotation of the swing bracket;

[0011] A lifting drive unit, the lifting drive unit is installed at the top end of the fixed bracket, and its output end is connected to the bearing bracket; and a limiting component used to connect the folded swing bracket and the fixed bracket into a whole.

[0012] As an improvement, the limiting assembly includes a manual limiting assembly that manually inserts a blocking component to connect the swing bracket and the fixed bracket as a whole, and an automatic limiting assembly that drives the blocking component through mechanical transmission to connect the swing bracket and the fixed bracket as a whole.

[0013] As an improvement, the manual limiting assembly includes: a first positioning hole opened on the supporting bracket, a second positioning hole and a third positioning hole opened on the swing bracket, a fourth positioning hole opened on the fixed bracket, and a positioning pin inserted into the corresponding positioning hole.

[0014] As an improvement, the automatic limit assembly includes: a limit slot provided on the swing bracket, a limit column provided on the sliding bracket and the fixed bracket, and a limit driving part for driving the limit column to move back and forth.

[0015] As an improvement, it also includes an anti-fall component for ensuring the safety of taking off and landing of the load-bearing bracket.

[0016] As an improvement, the anti-falling component is a self-locking anti-falling device, and two sets of self-locking anti-falling devices are arranged on both sides of the fixed bracket and are simultaneously connected to the bearing bracket by steel wires.

[0017] As an improvement, a groove is provided at the bottom of the fixed bracket, and after the swing bracket and the fixed bracket are folded together, the swing bracket is placed in the groove.

[0018] As an improvement, it also includes a guide component for guiding the load-bearing bracket during the resetting process of the load-bearing bracket.

[0019] As an improvement, the guide assembly comprises:

[0020] guide plates, the guide plates being mounted on both sides of the fixing bracket; and

[0021] Guide rollers, the guide rollers are rotatably mounted on the top ends of both sides of the bearing bracket;

[0022] When the load-bearing bracket moves upward, the groove of the guide roller engages with the guide plate to guide and position the load-bearing bracket in the left horizontal direction.

[0023] As an improvement, a buffer portion for contacting the ground is provided at the bottom of the bearing bracket.

[0024] The beneficial effects of the utility model are:

[0025] (1) The utility model realizes the up and down reciprocating motion of the load-bearing bracket by means of a rotatable swing bracket in cooperation with the setting of a lifting drive unit. At the same time, a limit assembly is provided to close the swing bracket and the fixed bracket to form a whole, thereby improving the stability of the load-bearing bracket during driving.

[0026] (2) The utility model realizes high stability of the load-bearing bracket after it is lifted by setting a manual limit assembly; an automatic limit assembly is set, and after the load-bearing bracket is lifted to the highest point, the swing bracket is locked by the automatic limit assembly, which facilitates the subsequent insertion of the manual limit assembly, thereby improving the safety of operation.

[0027] (3) The utility model provides an anti-fall component to protect the load-bearing bracket when the winch wire breaks abnormally, thereby preventing the load-bearing bracket from suddenly losing its pulling force and rapidly falling due to its own gravity, thereby causing a safety hazard.

[0028] (4) The utility model improves the accuracy of resetting the load-bearing bracket by setting a guide component. At the same time, the V-shaped guide roller is used to cooperate with the guide plate to limit the left and right positions of the load-bearing bracket when the load-bearing bracket is pulled to the top, thereby providing stability for the load-bearing bracket.

[0029] In summary, the utility model has the advantages that the load-bearing bracket is more stable during driving, the lifting is convenient, and the vehicle has the function of preventing falling. BRIEF DESCRIPTION OF THE DRAWINGS

[0030] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0031] Figure 2 This is a schematic diagram of the lowering of the load-bearing bracket of the utility model;

[0032] Figure 3 For this utility model Figure 2 The local enlarged schematic diagram of point I in the middle;

[0033] Figure 4 This is a schematic diagram of the lowering axis side of the load-bearing bracket of the utility model;

[0034] Figure 5 For this utility model Figure 4 A partial enlarged schematic diagram of Sinosteel II;

[0035] Figure 6 This is a schematic diagram of the utility model in use. DETAILED DESCRIPTION

[0036] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments of the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0037] In the description of the present utility model, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside", "clockwise", "counterclockwise" and the like indicate positions or positional relationships based on the positions or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present utility model and simplifying the description, rather than indicating or implying that the equipment or elements referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as limiting the present utility model. In addition, the terms "first" and "second" are only used for descriptive purposes, and cannot be understood as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Therefore, the features defined as "first" and "second" may explicitly or implicitly include one or more of the features. In the description of the present utility model, the meaning of "multiple" is two or more, unless otherwise clearly and specifically defined.

[0038] Embodiment 1

[0039] like Figure 1-6 As shown, this embodiment provides a rear load frame of a motorhome, comprising:

[0040] A fixed bracket 1, wherein the fixed bracket 1 is connected to the rear of the RV;

[0041] A swing bracket 2, one end of which is rotatably mounted on a bottom end of one side of the fixed bracket 1;

[0042] A load-bearing bracket 3 for placing items to be stored. The load-bearing bracket 3 is hinged to the swing bracket 2 and moves up and down with the rotation of the swing bracket 2;

[0043] A lifting drive unit 4, the lifting drive unit 4 is installed at the top of the fixed bracket 1, and its output end is connected to the load-bearing bracket 3; the lifting drive unit 4 drives the load-bearing bracket 3 to reciprocate up and down; preferably, the lifting drive unit 4 uses a winch, and the winch drives the load-bearing bracket 3 connected by the wire to realize the up and down movement of the load-bearing bracket 3; of course, the present application is not limited to the winch recorded above, and other ways that can realize the up and down reciprocating movement of the load-bearing bracket 3 meet the present application, such as chain transmission;

[0044] And a limiting component 5 for connecting the folded swing bracket 2 and the fixed bracket 1 into a whole.

[0045] As an improvement, the limiting assembly 5 includes a manual limiting assembly 51 for manually inserting a blocking component to connect the swing bracket 2 and the fixed bracket 1 as a whole, and an automatic limiting assembly 52 for driving the blocking component through mechanical transmission to connect the swing bracket 2 and the fixed bracket 1 as a whole.

[0046] Preferably, Figure 2 , 3 As shown, the manual limiting assembly 51 includes: a first positioning hole 511 opened on the supporting bracket 3, a second positioning hole 512 and a third positioning hole 513 opened on the swing bracket 2, a fourth positioning hole 514 opened on the fixed bracket 1 and a positioning pin 515 inserted into the corresponding positioning hole.

[0047] It should be noted that when the swing bracket 2 swings to close with the fixed bracket 1, the first positioning hole 511 is aligned with the second positioning hole 512, the third positioning hole 513 is aligned with the fourth positioning hole 514, and the positioning pin 515 is inserted to fix the fixed bracket 1 and the swing bracket 2.

[0048] Preferably, Figure 3 , 5 As shown, the automatic limiting assembly 52 includes: a limiting groove 521 provided on the swing bracket 2, a limiting column 522 slidably provided on the fixed bracket 1, and a limiting driving part 523 for driving the limiting column 522 to move back and forth.

[0049] Furthermore, the limiting column 522 is slidably disposed in a waist-shaped groove provided on the fixed bracket 1 , and the limiting column 522 is lifted and inserted into the limiting groove 521 through the limiting driving part 523 , so as to realize the limiting of the swing bracket 2 and the fixed bracket 1 .

[0050] Of course, the setting positions of the limit groove 521 and the limit column 522 can be interchanged, that is, the limit groove 521 is opened on the fixed bracket 1, the limit column 522 is slidably set on the swing bracket 2, and the limit driving part 523 is also correspondingly set on the swing bracket 2, which can also meet the present application.

[0051] Furthermore, the limit drive unit 523 is preferably an electric cylinder. Of course, other linear transmission methods can also be applicable to the present application, such as a pneumatic cylinder, a hydraulic cylinder, a gear rack, etc.

[0052] Preferably, a groove 11 is provided at the bottom of the fixed bracket 1. After the swing bracket 2 is closed with the fixed bracket 1, the swing bracket 2 is placed in the groove 11, and the limit drive part 523 is also arranged in the groove 11 to improve the compactness of the equipment.

[0053] Preferably, the load-bearing bracket 3 is provided with a spare tire mounting position, a motorcycle mounting position or an item placement box, which can be arranged according to the actual needs of the customer.

[0054] Preferably, a buffer portion 31 for contacting the ground is provided at the bottom of the supporting bracket 3, and the buffer portion 31 is preferably made of wear-resistant rubber.

[0055] Embodiment 2

[0056] like Figure 4 As shown, the components identical or corresponding to those in the first embodiment are marked with the corresponding reference numerals in the first embodiment. For the sake of simplicity, only the differences from the first embodiment are described below. The second embodiment differs from the first embodiment in that:

[0057] In this embodiment, an anti-falling component 6 for ensuring the safety of taking off and landing of the load-bearing bracket 3 is also included.

[0058] Preferably, the anti-fall assembly 6 is a self-locking fall arrester, and two sets of self-locking fall arresters are arranged on both sides of the fixed bracket 1, and are simultaneously connected to the load-bearing bracket 3 through steel wires. The self-locking fall arrester is a standard part, and this application does not record the detailed structure; when the winch wire breaks abnormally, the self-locking fall arrester is used to prevent the load-bearing bracket 3 from suddenly falling and causing safety hazards.

[0059] Embodiment 3

[0060] like Figure 4 As shown, the components identical or corresponding to those in the first embodiment are marked with the corresponding reference numerals in the first embodiment. For the sake of simplicity, only the differences from the first embodiment are described below. The differences between the third embodiment and the first embodiment are as follows:

[0061] In this embodiment, a guiding assembly 7 is also included for guiding the supporting bracket 3 during the resetting process of the supporting bracket 3 .

[0062] Preferably, the guide assembly 7 comprises:

[0063] Guide plates 71, the guide plates 71 are mounted on both sides of the fixing bracket 1, and the guide plates 71 are in an inverted "V" shape; and

[0064] Guide rollers 72, the guide rollers 72 are rotatably mounted on the top ends of both sides of the support bracket 3; the guide rollers 72 are provided with V-shaped guide grooves;

[0065] When the load-bearing bracket 3 moves upward, the groove 11 of the guide roller 72 engages with the guide plate 71, guiding and positioning the load-bearing bracket 3 in the left horizontal direction, thereby improving the positioning accuracy of the load-bearing bracket 3 after it is closed upward. At the same time, it plays a role in positioning the left and right sides of the fixed bracket 1 and the swing bracket 2 after they are closed, preventing the tail frame from swinging left and right when the load is heavy, thereby improving the stability and safety of the driving process.

[0066] The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention. Any modifications, equivalent substitutions and improvements made within the spirit and principles of the present invention should be included in the protection scope of the present invention.

Claims

1. A rear load frame for a motorhome, characterized in that: include: Fixed bracket; The swing bracket is rotatably mounted on one side of the fixed bracket; A load-bearing bracket, the load-bearing bracket is hinged to the swing bracket and moves up and down with the rotation of the swing bracket; A lifting drive unit, the lifting drive unit is installed at the top end of the fixed bracket, and its output end is connected to the bearing bracket; and a limiting component used to connect the folded swing bracket and the fixed bracket into a whole.

2. A motorhome rear load frame according to claim 1, characterized in that: The limiting assembly includes a manual limiting assembly for manually inserting a blocking component to connect the swing bracket and the fixed bracket as a whole, and an automatic limiting assembly for driving the blocking component through a mechanical transmission method to connect the swing bracket and the fixed bracket as a whole.

3. A motorhome rear load frame according to claim 2, characterized in that: The manual limiting assembly includes: a first positioning hole formed on the bearing bracket, a second positioning hole and a third positioning hole formed on the swing bracket, a fourth positioning hole formed on the fixed bracket, and positioning pins inserted into the corresponding positioning holes.

4. A motorhome rear load frame according to claim 2, characterized in that: The automatic limiting assembly comprises: a limiting groove provided on the swing bracket, a limiting column provided on the sliding bracket and the fixed bracket, and a limiting driving part for driving the limiting column to move back and forth.

5. The rear load frame of a motorhome according to claim 1, characterized in that: It also includes an anti-fall component for ensuring the safety of taking off and landing of the load-bearing bracket.

6. A motorhome rear load frame according to claim 5, characterized in that: The anti-falling component is a self-locking anti-falling device. Two groups of self-locking anti-falling devices are arranged on both sides of the fixed bracket and are connected to the bearing bracket through steel wires at the same time.

7. The rear load frame of a motorhome according to claim 1, characterized in that: A groove is provided at the bottom of the fixed bracket, and after the swing bracket is folded with the fixed bracket, the swing bracket is placed in the groove.

8. The rear load frame of a motorhome according to claim 1, characterized in that: It also includes a guiding component for guiding the bearing bracket during the resetting process of the bearing bracket.

9. A motorhome rear load frame according to claim 8, characterized in that: The guide assembly comprises: guide plates, the guide plates being mounted on both sides of the fixing bracket; and Guide rollers, the guide rollers are rotatably mounted on the top ends of both sides of the bearing bracket; When the load-bearing bracket moves upward, the groove of the guide roller engages with the guide plate to guide and position the load-bearing bracket in the left horizontal direction.

10. The rear load frame of a motorhome according to claim 1, characterized in that: The bottom of the bearing bracket is provided with a buffer portion for contacting the ground.

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