A trailer hitch cap and vehicle therefor

By integrating a plug button and opening mechanism into the trailer hook plug, the lever structure enables easy opening of the trailer hook plug, solving the problems of traditional trailer hook plugs being difficult to open and easily damaged, thus improving ease of use and customer experience.

CN118528696BActive Publication Date: 2025-11-04CHERY NEW ENERGY AUTOMOBILE TECH CO LTD
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Patent Information

Application Number
CN202410786160.7
Authority / Receiving Office
CN · China
Patent Type
Patents(China)
Current Assignee / Owner
Filing Date
2024-06-18
Publication Date
2025-11-04
Estimated Expiration
2044-06-18

AI Technical Summary

Technical Problem

Existing car trailer hook plugs are difficult to open and prone to damage, reducing ease of use and consumer satisfaction.

Method used

A trailer hook plug is designed, which includes a plug button mechanism and a plug opening mechanism. The plug is unlocked by pressing the button and flipped open by using a lever structure, avoiding tool operation and damage.

Benefits of technology

It enables easy opening of the trailer hook plug, reduces the risk of damage, and improves ease of use and customer satisfaction.

✦ Generated by Eureka AI based on patent content.

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    Figure CN118528696B_ABST
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Abstract

The application discloses a trailer hook plug cover and a car thereof, and belongs to the technical field of car accessories. The trailer hook plug cover comprises a bumper body and a trailer hook plug cover body. The bumper body is provided with a trailer hook through hole. The trailer hook plug cover body is provided correspondingly to the trailer hook through hole. The trailer hook plug cover body further comprises a plug cover button mechanism for unlocking one side of the trailer hook plug cover body and a plug cover opening mechanism for turning over and opening the trailer hook plug cover body. The plug cover button mechanism and the plug cover opening mechanism are both arranged on the back of the bumper body. When the plug cover opening button is pressed, the lock tongue is opened, the trailer hook plug cover body is separated from the lock tongue through a lever structure, an opening spring is triggered, and finally the trailer hook plug cover body is opened. The trailer hook plug cover body is simple to open and is not easy to be damaged. In addition, the structure is compact, and is convenient to arrange and install.
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Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of automobiles, in particular to a trailer hook plug cover and an automobile thereof. BACKGROUND

[0002] With the rapid development of society and the steady progress of science and technology, automobiles have entered the era of electrification and intelligentization. The existing trailer hook plug cover has the defect of being difficult to open. Whether it is a three-prong pry open type trailer hook plug cover structure or a lever flip type structure, the traditional trailer hook plug cover has the disadvantage of being difficult to disassemble and open to some extent, or even failing, which greatly reduces the convenience of use of the trailer hook plug cover and the satisfaction of consumers for the product.

[0003] As disclosed in Chinese Patent CN116278544A, a trailer hook plug cover for an automobile and an automobile thereof, which comprises a plug cover body, a buckle for clamping with the bumper is arranged on the inner side of the plug cover body, a pry point structure is arranged on one side of the plug cover body, the inner side of the plug cover body is fixed with a hinge seat, and the end of the hinge seat is rotationally connected with a fixing seat for fixing with the bumper; after the buckle is separated from the bumper through the pry point structure, the hinge seat can be rotated relative to the fixing seat to drive the plug cover body to open the plug cover opening on the bumper; the opening needs to be pryed open with a tool, which is not convenient to open, and the plug cover is easily damaged during the opening process. SUMMARY

[0004] In view of the deficiencies of the prior art, the present application provides a trailer hook plug cover and an automobile thereof to achieve the purposes of easy opening of the trailer hook plug cover body and less damage.

[0005] To solve the above technical problems, the technical scheme adopted by the present application is as follows:

[0006] A trailer hook plug cover, comprising a bumper body and a trailer hook plug cover body, wherein the bumper body is provided with a trailer hook through hole, the trailer hook plug cover body is provided corresponding to the trailer hook through hole, and further comprising a plug cover button mechanism for unlocking one side of the trailer hook plug cover body and a plug cover opening mechanism for flip opening of the trailer hook plug cover body, wherein the plug cover button mechanism and the plug cover opening mechanism are arranged on the back surface of the bumper body.

[0007] A fixing seat is arranged on the back surface of the bumper body, and the plug cover button mechanism and the plug cover opening mechanism are integrally arranged on the fixing seat.

[0008] The plug cover button mechanism comprises an opening button, a lock tongue, a lock base and a lock tongue return spring; the opening button is movably arranged, the lock tongue is arranged on the lock base through the lock tongue return spring, the inner end of the opening button is arranged corresponding to one side of the lock tongue, and the other side of the lock tongue is arranged corresponding to a back surface clamping groove of the trailer hook plug cover body.

[0009] The opening mechanism of the plug cover comprises a hinge seat, an opening rotating shaft and an opening spring, the opening rotating shaft and the opening spring are arranged on a fixed seat, one end of the hinge seat is connected with the back of the trailer hook plug cover body, and the other end of the hinge seat is connected with the opening rotating shaft.

[0010] The fixed seat is a fixed base plate, which is fixed on the back of the bumper body by bonding or welding.

[0011] The opening button is movably arranged on the fixed seat through an anti-dropping structure, the lock tongue is connected with the lock base through a pin shaft, and a buffer pad is arranged between one side of the lock tongue and the fixed seat.

[0012] The lock base is arranged on the back of the fixed seat through a fastening structure, and the fixed seat and the bumper body are both provided with a button hole corresponding to the opening button.

[0013] The other side of the fixed seat is provided with an arc-shaped structure, and the other end of the hinge seat and the opening rotating shaft are both located in the arc-shaped structure.

[0014] One end of the hinge seat is provided with a connecting part, and the connecting part is connected with the back of the trailer hook plug cover body by bonding or welding.

[0015] An automobile comprises a bumper assembly and the trailer hook plug cover, and the trailer hook plug cover is arranged on the bumper assembly.

[0016] Compared with the prior art, the present application has the following advantages:

[0017] The trailer hook plug cover and the automobile structure are reasonable in design, the opening button of the trailer hook plug cover is pressed, the lock tongue is opened, the trailer hook plug cover body is separated from the lock tongue through the lever structure, the opening spring is excited, and finally the trailer hook plug cover body is opened, the opening of the trailer hook plug cover body is simple and convenient, and damage is not easy to occur; and the structure is compact, and is convenient to arrange and install. BRIEF DESCRIPTION OF DRAWINGS

[0018] The content expressed by each figure in the present specification and the marks in the figures are briefly described as follows:

[0019] Figure 1 It is an isometric view of the bumper trailer hook plug cover region of the present application.

[0020] Figure 2 It is an explosion schematic view of the opening mechanism of the present application.

[0021] Figure 3 It is an explosion schematic view of the button mechanism of the present application.

[0022] Figure 4 It is a matching sectional view of the pressing mechanism of the bumper trailer hook plug cover of the present application.

[0023] Figure 5This is a cross-sectional view of the bumper trailer hook plug opening mechanism of the present invention.

[0024] Figure 6 This is a cross-sectional view of the matching of the hinge seat and the opening shaft of the present invention.

[0025] Figure 7 This is a cross-sectional view of the lock base, lock tongue, and lock tongue return spring of the present invention.

[0026] Figure 8 This is a cross-sectional view showing the matching of the rotating shaft fixing seat and the bumper body of the present invention.

[0027] In the picture:

[0028] 1-Bumper assembly; 11-Bumper body; 12-Trailer hook plug body; 13-Plug button mechanism; 14-Plug opening mechanism; 131-Opening button; 132-Lock tongue; 133-Lock base; 134-Lock tongue return spring; 135-Buffer pad; 136-Screw; 141-Hinge seat; 142-Opening pivot; 143-Opening spring; 144-Fixing seat. Detailed Implementation

[0029] The specific embodiments of the present invention will be further described in detail below with reference to the accompanying drawings and through the description of the examples.

[0030] like Figures 1 to 8 As shown, the trailer hook plug includes a bumper body 11, a trailer hook plug body 12, a plug button mechanism 13 for unlocking one side of the trailer hook plug body, and a plug opening mechanism 14 for flipping the trailer hook plug body open. One side of the trailer hook plug body 12 is unlocked by the plug button mechanism 13, and the other side of the trailer hook plug body 12 is connected by the plug opening mechanism 14. The plug opening mechanism drives the unlocked trailer hook plug body to flip open, and the trailer hook plug can be opened by pressing. The trailer hook plug body is easy to open and is not easily damaged.

[0031] The bumper body 11 is provided with a trailer hook through hole, and the trailer hook plug body 12 is set in accordance with the trailer hook through hole. When using the trailer hook, the trailer hook plug needs to be opened. The inner edge of the trailer hook through hole of the bumper body is a concave step structure, and the edge of the trailer hook plug body is provided with an inward flip structure. The inward flip structure is set in accordance with the concave step structure to avoid damage to the trailer hook plug caused by external force.

[0032] Both the cover-blocking button mechanism 13 and the cover-blocking opening mechanism 14 are located on the back of the bumper body. Furthermore, a mounting base 144 is provided on the back of the bumper body, and the cover-blocking button mechanism and the cover-blocking opening mechanism are integrated on the mounting base to form an assembly structure; that is, the cover-blocking button mechanism and the cover-blocking opening mechanism are installed on the mounting base to form an assembly structure, which is compact and easy to arrange and install.

[0033] As shown in Figure 1 and Figure 8 The fixed seat 144 is a fixed base plate, a base plate through hole is formed in the fixed base plate, the size of the base plate through hole is larger than the size of the trailer hook through hole, the fixed base plate is fixed on the back of the bumper body by bonding or welding, and the structure is simple; further, the inner edge of the base plate through hole cooperates with the inner recessed step structure of the inner edge of the trailer hook through hole of the bumper body, the installation position is easy to control, the installation precision is high, and the installation is simple.

[0034] The plug cover button mechanism 13 includes an opening button 131, a lock tongue 132, a lock base 133, and a lock tongue return spring 134; the opening button is movably arranged, and the trailer hook plug cover body is unlocked by pressing the opening button 131; the opening button and the lock tongue are arranged on the lock base to form a lock assembly unit through the lock tongue return spring, which is convenient for installation; further, the lock base is arranged on the back of the fixed seat through a fastening structure; preferably, the lock base and the fixed seat are provided with corresponding screw holes, and the lock assembly unit is fixedly installed through the cooperation of the screws 136 and the screw holes, which is stable and reliable in structure and simple to install.

[0035] The inner end of the opening button 131 is arranged corresponding to one side of the lock tongue, and the other side of the lock tongue is arranged corresponding to the back slot of the trailer hook plug cover body; pressing one side of the opening button, the inner end of the opening button acts on one side of the lock tongue, and the other side of the lock tongue is separated from the back slot of the trailer hook plug cover body to achieve unlocking of one side of the plug cover, which can be unlocked without tools and is simple to operate.

[0036] Further, the opening button is movably arranged on the fixed seat through an anti-escape clamping structure, the inner end of the opening button contacts the other side of the lock tongue, and the force of the lock tongue return spring 134 acts on one side of the lock tongue and the opening button to always exert an outward elastic force on the opening button, so that the opening button will not loosen and make abnormal noise, and the structure is stable and reliable; and after pressing the opening button, the button will automatically return.

[0037] The lock base 133 is a box body structure, the edge of the box body structure is provided with a fixing column, the fixing column is provided with a fixing hole, and the fixing column is fixed by a screw; the end opening of the lock base corresponds to the button through hole on the bumper body, and the opening button is located in the button through hole; the lock tongue is connected with the lock base through a pin shaft to form a lever structure, and the other side of the lock tongue can be quickly separated from the back slot of the trailer hook plug cover body by pressing one side to achieve unlocking, and the structure is stable and reliable.

[0038] The fixed seat and the bumper body are provided with button holes corresponding to the opening buttons, and the structure is compact; the back edge of the trailer hook plug cover body is provided with an inner convex structure, the inner convex structure is provided with a clamping groove, the clamping groove is a stepped groove, the other side of the lock tongue is provided with a hook corresponding to the clamping groove, the hook is provided with a chamfer structure corresponding to the stepped groove, which facilitates the automatic locking of the trailer hook plug cover reset, and the structure is stable and reliable.

[0039] As shown in Figure 4 , the lock tongue 132 is provided with a buffer pad 135 between one side and the fixed seat, which is buffered to avoid collision between the one side of the lock tongue and the fixed seat when unlocking or resetting the trailer hook plug cover, thereby generating abnormal sound; preferably, the one side of the lock tongue is provided with a mounting hole, and the buffer pad is clamped in the mounting hole, and the structure is simple.

[0040] As shown in Figure 1 and Figure 5 and Figure 6 , the cover opening mechanism includes a hinge seat 141, an opening shaft 142 and an opening spring 143, the opening shaft and the opening spring are arranged on the fixed seat, one end of the hinge seat is connected with the back of the trailer hook plug cover body, and the other end of the hinge seat is connected with the opening shaft.

[0041] The plug cover opening mechanism realizes the connection between the other side of the trailer hook plug cover body and the fixed seat or the bumper body; the plug cover button mechanism and the cover opening mechanism are arranged opposite to each other, and the structure is stable and reliable.

[0042] The opening spring 143 is a torsion spring arranged at the end of the opening shaft and connected with the fixed seat, the other side of the lock tongue is unlocked with the back of the trailer hook plug cover body by pressing the opening button, and the hinge seat is driven to turn outward to open the trailer hook plug cover body by the opening force of the torsion spring after the trailer hook plug cover body is unlocked, which is simple and convenient to open, and no tool is needed during the opening process, thereby avoiding damage to the plug cover.

[0043] One end of the hinge seat 141 is provided with a connecting part, and the connecting part is connected with the back of the trailer hook plug cover body by adhesion or welding, and the connection is simple. Preferably, the hinge seat is an arc-shaped hinge arm, one end of the arc-shaped hinge arm forms a connecting part, the connecting part is a flat plate, the flat plate is attached to the back of the trailer hook plug cover body and connected by welding, and the setting of the arc-shaped hinge arm facilitates the large-angle turning opening of the trailer hook plug cover body.

[0044] The other side of the fixed seat is provided with an arc-shaped structure, and the other end of the hinge seat and the opening shaft are located in the arc-shaped structure, which are integrally arranged, and the structure is compact.

[0045] Further, a part of the fixing seat 144 is a fixed flat plate structure, another part is an edge portion, the edge portion is an arc-shaped edge structure, the fixed flat plate structure is welded to the back of the bumper body, the other end of the arc-shaped hinge arm is an inner bending structure, the inner bending structure is located in the edge structure, and the structure is compact; The arc-shaped part of the arc-shaped hinge arm is provided with a set of reinforcing ribs, the set of reinforcing ribs is located in the edge structure, the structure strength of the arc-shaped hinge arm can be improved by arranging the reinforcing rib structure, the opening support is stable and reliable; and the reinforcing rib structure is located in the edge structure, and the structure is compact; The hinge seat can be made of engineering plastic and is integrally injection molded, so that the manufacturing is simple and the weight is light.

[0046] The fixing seat is an integrated structure, a part of the fixing seat is used for mounting and fixing, is connected to the back of the bumper body through butt joint, and overall structure fixing and mounting are realized; The opening rotating shaft 142 is integrated on another part of the fixing seat, and an installation structure of the opening rotating shaft is formed on the other part of the fixing seat, and the structure is compact.

[0047] The edge portion of the inner bending structure at the other end of the hinge seat forms a sleeve structure, the opening rotating shaft is located in the sleeve structure, synchronous overturning is realized through key groove structure cooperation between the outer edge of the opening rotating shaft and the inner wall of the sleeve structure, the torsional spring is arranged at the end of the opening rotating shaft, the structure is compact, and automatic opening overturning force is provided through the torsional spring.

[0048] The trailer hook plug cover structure is reasonable in design, the trailer hook plug cover opening button is pressed, the lock tongue is opened, the trailer hook plug cover body is separated from the lock tongue through the lever structure, the opening spring is excited, and finally the trailer hook plug cover body is opened; The problem that the traditional trailer hook plug cover is difficult to disassemble is solved, the opening efficiency is greatly improved, and customer satisfaction is increased; and the plug cover opening structure has high generalization rate (the profile curvature is close), and customer sensory experience is increased.

[0049] Meanwhile, the application provides an automobile, which comprises a bumper assembly 1 and the trailer hook plug cover, and the trailer hook plug cover is arranged on the bumper assembly; when the automobile needs to use the trailer hook, the button opening button 131 is pressed, one side of the trailer hook plug cover body 12 is separated from the lock tongue to realize one side unlocking, the plug cover is turned out and opened through the plug cover opening mechanism 14 on the other side, so that the trailer hook is exposed, and the opening operation is simple and convenient, and the sense of technology is increased.

[0050] The above is only a description of the preferred embodiments of the application, and the above technical features can be combined to form multiple embodiments of the application.

[0051] The application is described above in conjunction with the drawings, and it is obvious that the specific implementation of the application is not limited to the above manner, as long as the concept and technical scheme of the application are adopted for various non-essential improvements or the concept and technical scheme of the application are directly applied to other occasions, all of which are within the protection scope of the application.

Claims

1. A trailer hitch cap, comprising a bumper body and a trailer hitch cap body, the bumper body is provided with a trailer hitch through hole, and the trailer hitch cap body is provided corresponding to the trailer hitch through hole, characterized in that: The back surface of the bumper body is provided with a fixing seat, and the plug button mechanism and the plug opening mechanism are integrally arranged on the fixing seat; the plug button mechanism comprises an opening button, a lock tongue, a lock base and a lock tongue return spring; the opening button is movably arranged, the lock tongue is arranged on the lock base through the lock tongue return spring, the inner end of the opening button is arranged in correspondence with one side of the lock tongue, and the other side of the lock tongue is arranged in correspondence with a back surface clamping groove of the trailer hook plug body; the plug opening mechanism comprises a hinge seat, an opening rotating shaft and an opening spring, the opening rotating shaft and the opening spring are arranged on the fixing seat, one end of the hinge seat is connected with the back surface of the trailer hook plug body, and the other end of the hinge seat is connected with the opening rotating shaft. The fixing seat is a fixed base plate, and the fixed base plate is fixed on the back surface of the bumper body by bonding or welding.

2. The trailer hitch cap of claim 1, wherein: The opening button is movably arranged on the fixing seat through an anti-escape clamping structure, the lock tongue is connected with the lock base through a pin shaft, and a buffer pad is arranged between one side of the lock tongue and the fixing seat.

3. The trailer hitch cap of claim 1, wherein: The lock base is arranged on the back surface of the fixing seat through a fastening structure, and the fixing seat and the bumper body are provided with button holes in correspondence with the opening button.

4. The trailer hitch cap of claim 1, wherein: The other side of the fixing seat is provided with an arc-shaped structure, and the other end of the hinge seat and the opening rotating shaft are located in the arc-shaped structure.

5. The trailer hitch cap of claim 1, wherein: One end of the hinge seat is provided with a connecting part which is connected with the back surface of the trailer hook plug body by bonding or welding.

6. The trailer hitch cap of claim 1, wherein: The trailer hook plug further comprises the trailer hook plug according to any one of claims 1 to 6, and the trailer hook plug is arranged on the bumper assembly.

7. An automobile comprising a bumper assembly, characterized by: ​

Citation Information

Patent Citations

  • Tow hook blanking cap for automobile and automobile

    CN116278544A

  • Lock cover for vehicle coupling

    CN204136714U

  • Trailer hook cover plate

    CN204249758U