A chassis

Abstract

The utility model provides a kind of chassis, including outer frame, reinforcing beam subassembly and corbel arm subassembly, outer frame has vertical fixed surface and horizontal fixed surface, reinforcing beam subassembly includes reinforcing beam main body and fixed connecting piece, reinforcing beam main body, fixed connecting piece one end and horizontal fixed surface are mutually fixed, fixed connecting piece other end extends to vertical fixed surface and is fixed with vertical fixed surface, the end of corbel arm subassembly close to outer frame extends to form respectively with vertical fixed surface and horizontal fixed surface parallel vertical fixed piece and horizontal fixed piece, vertical fixed piece is fixed with vertical fixed surface, horizontal fixed piece is fixed with horizontal fixed surface, reinforcing beam subassembly and corbel arm subassembly are fixed in multiple directions with outer frame, to enhance the reinforcing beam subassembly and corbel arm subassembly and outer frame connection stability, improve the carrying capacity of chassis.

Description

Technical Field

[0001] This utility model relates to the field of trailer manufacturing technology, and in particular to a chassis. Background Technology

[0002] A towable caravan is a vehicle that combines the features of a car and a motorhome, greatly enhancing comfort during travel. The braking system is crucial for ensuring driving safety when using a towable caravan. Compared to regular vehicles, towable caravans are longer, taller, and heavier, placing higher demands on their chassis structure.

[0003] Patent application CN215971755U provides a structurally stable trailer chassis, including a frame, a guide frame, a sliding column, a bottom column, and a base frame. The inner side of the frame is fixedly connected to a guide plate by bolts. The top of the guide plate is fixedly connected to the guide frame by screws. The sliding column is movably connected inside the guide frame. The bottom of the sliding column is fixedly connected to the bottom column by screws. The bottom of the frame is fixedly connected to the base frame by bolts.

[0004] The above solution has the following problems: other components are only fixed to the frame on the inside, the connection is not stable, and the load-bearing strength is low. Utility Model Content

[0005] Therefore, it is necessary to provide a chassis that is securely connected and has high load-bearing capacity.

[0006] This utility model provides a chassis, including:

[0007] The outer frame has a vertical fixing surface and a horizontal fixing surface;

[0008] A reinforcing beam assembly includes a reinforcing beam body and a fixing connecting piece. The reinforcing beam body, one end of the fixing connecting piece, and a horizontal fixing surface are fixed to each other. The other end of the fixing connecting piece extends to a vertical fixing surface and is fixed to the vertical fixing surface.

[0009] The cow-leg arm assembly extends from one end near the outer frame to form a vertical fixing plate and a horizontal fixing plate, which are respectively parallel to the vertical fixing surface and the horizontal fixing surface. The vertical fixing plate is fixed to the vertical fixing surface, and the horizontal fixing plate is fixed to the horizontal fixing surface.

[0010] In other embodiments, the reinforcing beam body includes a vertical beam and two horizontal beams. The vertical beam is vertically arranged, and the two horizontal beams are respectively fixed to the top and bottom of the vertical beam. The two ends of the horizontal beams are respectively fixed to the fixed connecting pieces.

[0011] In other embodiments, the vertical beam has several reinforcing beam weight-reducing holes.

[0012] In other embodiments, the width of the fixing connecting piece gradually increases in the direction away from the reinforcing beam body.

[0013] In other embodiments, the cow-leg arm assembly has a plurality of cow-leg arm weight-reduction holes.

[0014] In other embodiments, the outer frame is provided with a plurality of weight-reducing holes.

[0015] In other embodiments, a crash bar is also included, which is arranged parallel to the outer frame and fixed one by one to the end of each of the bracket arm assemblies away from the outer frame to form a crash bar ring around the outer frame.

[0016] In other embodiments, the anti-collision bar located at the rear of the outer frame extends upward to form a spare tire rack.

[0017] In other embodiments, a height adjustment component is also included, which is fixed to the front end of the outer frame and is used to adjust the height of the front end of the outer frame relative to the horizontal plane.

[0018] In other embodiments, the height adjustment assembly includes a screw, a connecting box, and a roller. The connecting box is fixed to the outer side of the outer frame, and a threaded hole is formed on the connecting box in the vertical direction. The screw passes through the threaded hole, and the roller is located at the bottom of the screw.

[0019] The beneficial effects of this utility model are as follows:

[0020] This utility model includes an outer frame, a reinforcing beam assembly, and a bracket arm assembly. The outer frame has a vertical fixing surface and a horizontal fixing surface. The reinforcing beam assembly includes a reinforcing beam body and a fixing connecting piece. The reinforcing beam body, one end of the fixing connecting piece, and the horizontal fixing surface are fixed to each other. The other end of the fixing connecting piece extends to the vertical fixing surface and is fixed to it. The bracket arm assembly extends from one end near the outer frame to form a vertical fixing piece and a horizontal fixing piece, which are respectively parallel to the vertical fixing surface and the horizontal fixing surface. The vertical fixing piece is fixed to the vertical fixing surface, and the horizontal fixing piece is fixed to the horizontal fixing surface. The main body of the reinforcing beam, one end of the fixed connecting piece, and the horizontal fixed surface are fixed to each other. The other end of the fixed connecting piece extends to the vertical fixed surface and is fixed to the vertical fixed surface. The end of the corbel arm assembly near the outer frame extends to form a vertical fixed piece and a horizontal fixed piece that are parallel to the vertical fixed surface and the horizontal fixed surface, respectively. The vertical fixed piece is fixed to the vertical fixed surface, and the horizontal fixed piece is fixed to the horizontal fixed surface. The reinforcing beam assembly and the corbel arm assembly are fixed to the outer frame in multiple directions, thereby enhancing the connection stability between the reinforcing beam assembly and the corbel arm assembly and the outer frame and improving the load-bearing capacity of the chassis. Attached Figure Description

[0021] To more clearly illustrate the technical solutions in the embodiments of this utility model, the drawings used in the description of the embodiments will be briefly introduced below. Obviously, the drawings described below are only some embodiments of this utility model. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort.

[0022] Figure 1 This is a schematic diagram of the chassis structure in this utility model;

[0023] Figure 2 for Figure 1 Enlarged schematic diagram of the centrally reinforced beam assembly;

[0024] Figure 3 for Figure 1 Enlarged schematic diagram of the height adjustment component;

[0025] Figure 4 for Figure 3 A structural diagram of the height adjustment component from another angle;

[0026] Wherein: 1-outer frame, 11-outer frame weight reduction holes;

[0027] 2-Reinforcing beam assembly, 21-Reinforcing beam body, 211-Reinforcing beam weight reduction hole, 212-Vertical beam body, 213-Horizontal beam body, 22-Fixing connecting piece;

[0028] 3-Calf arm assembly, 31-Vertical fixing plate, 32-Horizontal fixing plate, 33-Calf arm weight reduction hole;

[0029] 4-Bumper guardrail, 41-Spare tire rack;

[0030] 5-Height adjustment component, 51-Screw, 52-Connecting box, 521-First box body, 522-Second box body, 523-Locking component, 523a-Rotating handle, 523b-Clamping piece, 53-Roller. Detailed Implementation

[0031] The preferred embodiments of the present invention will now be described in detail with reference to the accompanying drawings, which constitute a part of this application and are used together with the embodiments of the present invention to illustrate the principles of the present invention, but are not intended to limit the scope of the present invention.

[0032] like Figure 1-4 As shown, an embodiment of this utility model provides a chassis, which includes:

[0033] The frame consists of an outer frame 1, a reinforcing beam assembly 2, and a bracket arm assembly 3. The outer frame 1 has a vertical fixing surface 1a and a horizontal fixing surface 1b. The reinforcing beam assembly 2 includes a reinforcing beam body 21 and a fixing connecting piece 22. The reinforcing beam body 21, one end of the fixing connecting piece 22, and the horizontal fixing surface 1a are fixed to each other. The other end of the fixing connecting piece 22 extends to the vertical fixing surface 1b and is fixed to the vertical fixing surface 1b. The bracket arm assembly 3 extends from one end near the outer frame 1 to form a vertical fixing piece 31 and a horizontal fixing piece 32 that are parallel to the vertical fixing surface and the horizontal fixing surface, respectively. The vertical fixing piece 31 is fixed to the vertical fixing surface, and the horizontal fixing piece 32 is fixed to the horizontal fixing surface.

[0034] In this invention, the reinforcing beam body 21, one end of the fixed connecting piece 22, and the horizontal fixing surface are fixed to each other. The other end of the fixed connecting piece 22 extends to the vertical fixing surface and is fixed to the vertical fixing surface. The end of the corbel arm assembly 3 near the outer frame 1 extends to form a vertical fixing piece 31 and a horizontal fixing piece 32 that are parallel to the vertical fixing surface and the horizontal fixing surface, respectively. The vertical fixing piece 31 is fixed to the vertical fixing surface, and the horizontal fixing piece 32 is fixed to the horizontal fixing surface. The reinforcing beam assembly 2 and the corbel arm assembly 3 are fixed to the outer frame 1 in multiple directions, thereby enhancing the connection stability between the reinforcing beam assembly 2 and the corbel arm assembly 3 and the outer frame 1 and improving the load-bearing capacity of the chassis.

[0035] Specifically, the outer frame 1 has a plurality of weight-reducing holes 11. Without affecting the strength, the weight of the outer frame 1 can be effectively reduced by having a plurality of weight-reducing holes 11.

[0036] In some embodiments, the weight-reducing holes 11 of the outer frame are spaced apart in the middle of the outer frame 1, mainly to avoid the openings affecting the strength of the outer frame 1.

[0037] Specifically, the reinforcing beam body 21 has a plurality of weight-reducing holes 211. Without affecting the strength, the weight of the reinforcing beam body 21 can be effectively reduced by having a plurality of weight-reducing holes 211.

[0038] In some embodiments, the weight-reducing holes 211 of the reinforcing beam are spaced apart in the middle of the reinforcing beam body 21, mainly to avoid the openings affecting the strength of the reinforcing beam body 21.

[0039] Furthermore, the reinforcing beam body 21 includes a vertical beam 212 and two horizontal beams 213. The vertical beam 212 is vertically arranged, and the two horizontal beams 213 are respectively fixed to the top and bottom of the vertical beam 212. The two ends of the horizontal beams 213 are respectively fixed to the fixed connecting piece 22 and the horizontal fixed surface 1b. The weight reduction hole 211 of the reinforcing beam is opened on the vertical beam 212.

[0040] Specifically, the width of the fixing connecting piece 22 gradually increases in the direction away from the reinforcing beam body 21. The purpose of this design is to maximize the fixing area between the fixing connecting piece 22 and the outer frame 1, thereby enhancing the stability of the fixation.

[0041] Specifically, the cow-leg arm assembly 3 has a plurality of cow-leg arm weight-reduction holes 33. Without affecting the strength, the presence of a plurality of cow-leg arm weight-reduction holes 33 on the cow-leg arm assembly 3 can effectively reduce the weight of the cow-leg arm assembly 3.

[0042] Specifically, the chassis also includes anti-collision bars 4, which are arranged parallel to the outer frame 1 and are fixed to the end of each of the bracket arm assemblies 3 away from the outer frame 1, forming an anti-collision ring around the outer frame 1. The anti-collision bars 4 are fixed to each of the bracket arm assemblies 3, which can enhance the stability of the bracket arm assemblies 3.

[0043] Furthermore, when the anti-collision bar 4 extends to the tail of the outer frame 1, the anti-collision bar 4 extends upward to form a spare tire bracket 41, which is used to fix the spare tire.

[0044] Specifically, the chassis also includes a height adjustment component 5, which is fixed to the front end of the outer frame 1 and is used to adjust the height of the front end of the outer frame 1 relative to the horizontal plane.

[0045] Furthermore, the height adjustment assembly 5 includes a screw 51, a connecting box 52, and a roller 53. The connecting box 52 is fixed to the outer side of the outer frame 1, and a threaded hole 521 is formed on the connecting box 52 in the vertical direction. The screw 51 passes through the threaded hole 521, and the roller 53 is located at the bottom of the screw 51. When it is necessary to adjust the height of the front end of the outer frame 1, the screw 51 is rotated, causing the screw 51 to rotate relative to the connecting box 52 and move in the vertical direction, thereby adjusting the height of the outer frame 1.

[0046] Furthermore, the connecting box 52 includes a first box body 521, a second box body 522, and a locking member 523. The first box body 521 is fixed to the outer side of the outer frame 1. One end of the second box body 522 is hinged to one end of the first box body 521. The locking member 523 is fixed to the other end of the second box body 522. The locking member 523 has a locked state that locks the second box body 522 and the first box body 521, and a released state that allows the second box body 522 to rotate relative to the first box body 521. When the locking member 523 is in the locked state, the first box body 521 and the second box body 522 together form the threaded hole 524.

[0047] Furthermore, the locking member 523 includes a rotating handle 523a and a locking piece 523b. The rotating handle 523a is rotatably connected to the second housing 522, and the locking piece 523b is fixed to the end of the rotating handle 523a. The rotating handle 523a rotates to engage or disengage the locking piece 523b from the edge of the first housing 521.

[0048] The beneficial effects of this utility model are:

[0049] This utility model includes an outer frame, a reinforcing beam assembly, and a bracket arm assembly. The outer frame has a vertical fixing surface and a horizontal fixing surface. The reinforcing beam assembly includes a reinforcing beam body and a fixing connecting piece. The reinforcing beam body, one end of the fixing connecting piece, and the horizontal fixing surface are fixed to each other. The other end of the fixing connecting piece extends to the vertical fixing surface and is fixed to it. The bracket arm assembly extends from one end near the outer frame to form a vertical fixing piece and a horizontal fixing piece, which are respectively parallel to the vertical fixing surface and the horizontal fixing surface. The vertical fixing piece is fixed to the vertical fixing surface, and the horizontal fixing piece is fixed to the horizontal fixing surface. The main body of the reinforcing beam, one end of the fixed connecting piece, and the horizontal fixed surface are fixed to each other. The other end of the fixed connecting piece extends to the vertical fixed surface and is fixed to the vertical fixed surface. The end of the corbel arm assembly near the outer frame extends to form a vertical fixed piece and a horizontal fixed piece that are parallel to the vertical fixed surface and the horizontal fixed surface, respectively. The vertical fixed piece is fixed to the vertical fixed surface, and the horizontal fixed piece is fixed to the horizontal fixed surface. The reinforcing beam assembly and the corbel arm assembly are fixed to the outer frame in multiple directions, thereby enhancing the connection stability between the reinforcing beam assembly and the corbel arm assembly and the outer frame and improving the load-bearing capacity of the chassis.

[0050] In the description of this application, it should be noted that the terms "upper" and "lower," etc., indicating the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings, are only for the convenience of describing this application and simplifying the description, and do not indicate or imply that the module or element referred to must have a specific orientation, or be constructed and operated in a specific orientation, and therefore should not be construed as a limitation of this application. Unless otherwise expressly specified and limited, the terms "installed," "connected," and "linked" should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral connection; they can refer to a mechanical connection or an electrical connection; they can refer to a direct connection or an indirect connection through an intermediate medium; they can refer to the internal communication between two components. For those skilled in the art, the specific meaning of the above terms in this application can be understood according to the specific circumstances.

[0051] It should be noted that in this application, relational terms such as "first" and "second" are used merely to distinguish one entity or operation from another, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Furthermore, the terms "comprising," "including," or any other variations thereof are intended to cover non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements includes not only those elements but also other elements not expressly listed, or elements inherent to such a process, method, article, or apparatus. Without further limitations, an element defined by the phrase "comprising one..." does not exclude the presence of other identical elements in the process, method, article, or apparatus that includes said element.

[0052] The specific embodiments of this utility model described above do not constitute a limitation on the scope of protection of this utility model. Any other corresponding changes and modifications made based on the technical concept of this utility model should be included within the scope of protection of the claims of this utility model.

Claims

1. A chassis, characterized in that, include: The outer frame has a vertical fixing surface and a horizontal fixing surface; A reinforcing beam assembly includes a reinforcing beam body and a fixing connecting piece. The reinforcing beam body, one end of the fixing connecting piece, and the horizontal fixing surface are fixed to each other. The other end of the fixing connecting piece extends to the vertical fixing surface and is fixed to the vertical fixing surface. as well as The cow-leg arm assembly extends from one end near the outer frame to form a vertical fixing plate and a horizontal fixing plate, which are respectively parallel to the vertical fixing surface and the horizontal fixing surface. The vertical fixing plate is fixed to the vertical fixing surface, and the horizontal fixing plate is fixed to the horizontal fixing surface.

2. The chassis as described in claim 1, characterized in that, The reinforcing beam body includes a vertical beam and two horizontal beams. The vertical beam is vertically arranged, and the two horizontal beams are respectively fixed to the top and bottom of the vertical beam. The two ends of the horizontal beams are respectively fixed to the fixed connecting pieces.

3. The chassis as described in claim 2, characterized in that, The vertical beam has several reinforcing beam weight-reducing holes.

4. The chassis as described in claim 1, characterized in that, The width of the fixed connecting piece gradually increases in the direction away from the main body of the reinforcing beam.

5. The chassis as described in claim 4, characterized in that, The cow-leg arm assembly has several cow-leg arm weight reduction holes.

6. The chassis as described in claim 1, characterized in that, The outer frame has several weight-reducing holes.

7. The chassis as described in claim 1, characterized in that, It also includes anti-collision bars, which are arranged parallel to the outer frame and are fixed one by one to the end of each of the bracket arm assemblies away from the outer frame, forming an anti-collision ring around the outer frame.

8. The chassis as described in claim 7, characterized in that, The anti-collision bar located at the rear of the outer frame extends upward to form a spare tire rack.

9. The chassis as described in claim 1, characterized in that, It also includes a height adjustment component, which is fixed to the front end of the outer frame and is used to adjust the height of the front end of the outer frame relative to the horizontal plane.

10. The chassis as described in claim 9, characterized in that, The height adjustment assembly includes a screw, a connecting box, and a roller. The connecting box is fixed to the outer side of the outer frame. A threaded hole is provided on the connecting box in the vertical direction. The screw passes through the threaded hole, and the roller is located at the bottom of the screw.

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