Reversible license plate support

Abstract

The utility model relates to the technical field of automobile accessories, in particular to a turnover license plate support which comprises a base plate used for being connected with a license plate bracket, a base used for being connected with a trailer frame, screws and nuts. A through groove is formed in the base plate, a through hole is formed in the base, the screw sequentially penetrates through the through groove and the through hole and then is in threaded connection with the nut, and the base plate can slide in the direction of the through groove relative to the base. When the base plate slides relative to the base to the position where the screw is located at one end of the through groove, the base plate is in a vertical state. When the base plate slides relative to the base to enable the screw to be located at the other end of the through groove, the base plate is in a horizontal state. Therefore, according to the turnover license plate support, through relative sliding between the base plate and the base and position adjustment of the screws in the through grooves, the turnover function of the base plate is achieved, then the license plate bracket connected to the base plate is driven to complete the turnover action, the problem that a traditional license plate bracket cannot be turned over is effectively solved, and the turnover license plate support is highly compatible with a folding trailer frame.

Description

Technical Field

[0001] This utility model relates to the field of automotive parts technology, and in particular to a flip-up license plate holder. Background Technology

[0002] License plates are an important identifier for vehicles, primarily used to confirm the vehicle's legality and ownership. They are usually installed at the front or rear of the vehicle. With the rapid development of road transportation, more and more private car owners are choosing to drive for both long and short distances, leading to a growing demand for towing goods, especially the widespread practice of installing trailer racks at the rear of cars to tow bicycles.

[0003] The widespread use of trailer racks has greatly facilitated towing and carrying extra items, but it has also brought the problem of license plates, which are normally directly fixed to the vehicle, potentially being obscured. To ensure that license plates are not obscured, they are usually mounted on specially designed license plate holders and then connected and secured to the trailer rack to ensure clear visibility. In recent years, folding trailer racks have become increasingly popular. A folding trailer rack is a type of trailer rack that can be reduced in size or adjusted in angle through a folding mechanism. Compared to traditional trailer racks, the folding design is easier to store quickly, greatly improving the convenience of using the trailer rack. However, traditional license plate holders are only compatible with traditional trailer racks and do not have a flip-over function. When switching between the folded and unfolded states of a folding trailer rack, users have to frequently remove and install the license plate holder to accommodate the use of the folding trailer rack. This not only increases the complexity of operation but also affects the user experience, causing considerable inconvenience to users. Utility Model Content

[0004] In view of this, the present invention proposes a flip-up license plate bracket, which aims to solve the problem that traditional license plate brackets do not have a flip-up function and cannot be adapted to foldable trailer racks.

[0005] This utility model proposes a flip-up license plate bracket, including a base plate for connecting a license plate bracket, a base for connecting a trailer frame, screws, and nuts; the base plate is provided with a through groove, the base is provided with a through hole, the screw passes through the through groove and the through hole in sequence, and is then threadedly connected to the nut, and the base plate can slide relative to the base along the direction of the through groove;

[0006] When the substrate slides relative to the base to the position where the screw is at one end of the through slot, the substrate is in a vertical state; when the substrate slides relative to the base to the position where the screw is at the other end of the through slot, the substrate is in a horizontal state.

[0007] In one possible implementation, the substrate has a recessed position, and the flip-up license plate holder further includes a locking structure connected to the base; when the locking part of the locking structure extends into the recessed position, the substrate cannot slide relative to the base; when the locking part of the locking structure retracts from the recessed position, the substrate can slide relative to the base.

[0008] In one possible implementation, the locking structure is a spring-loaded limiting pin, which includes a spring, a wrench, a strip-shaped pin body, and a hollow sleeve. The sleeve is connected to the base, and the spring and the pin body are located in the hollow area of ​​the sleeve. The spring is sleeved on the outside of the pin body, and one end of the spring is connected to the pin body. One end of the pin body is connected to the wrench, and the wrench is located outside the sleeve and can move back and forth along the axial direction of the pin body.

[0009] When the wrench moves backward, it causes the other end of the pin to exit the recessed position, and the spring is in a compressed state; when the spring is in a reset state, it causes the other end of the pin to extend into the recessed position, and the wrench moves forward.

[0010] In one possible implementation, the through slot includes a first through slot and a second through slot, the through hole includes a first through hole and a second through hole, the screw includes a first screw and a second screw, and the nut includes a first nut and a second nut;

[0011] The first through groove and the second through groove do not intersect. The first screw passes through the first through groove and the first through hole in sequence, and is then threadedly connected to the first nut. The second screw passes through the second through groove and the second through hole in sequence, and is then threadedly connected to the second nut.

[0012] In one possible implementation, the substrate is further provided with a groove, the groove being located between the first through groove and the second through groove, and the recess being located at one end of the groove.

[0013] In one possible implementation, the first through groove is a long strip structure with arc-shaped edges at both ends. The second through groove includes an integrally formed arc-shaped channel, a strip channel, and a curved channel. One end of the strip channel is connected to one end of the arc-shaped channel, and the other end of the strip channel is connected to one end of the curved channel. The screw head of the first screw is an elliptical head, and the screw head of the second screw is a round head.

[0014] When the substrate is in a vertical state, the elliptical head is located at the bottom end of the elongated structure and is held in place by the arc-shaped edge at the bottom end of the elongated structure, while the round head is located at the bottom end of the curved channel; when the substrate is in a horizontal state, the elliptical head is located at the top end of the elongated structure and is held in place by the arc-shaped edge at the top end of the elongated structure, while the round head is located at the top end of the curved channel; wherein, the process of the substrate switching from the vertical state to the horizontal state includes a first switching state, a second switching state, and a third switching state;

[0015] When the substrate is in the first switching state, the substrate rotates relative to the base so that the elliptical head is switched from being stuck by the arc edge at the bottom of the elongated structure to a state in which the major axis of the elliptical head is parallel to the axial direction of the elongated structure through the rotation of the elongated structure. At the same time, the round head located at the bottom of the curved track is switched to the top of the curved track through the synchronous rotation of the curved track.

[0016] When the substrate is in the second switching state, the substrate moves linearly relative to the base so that the elliptical head located at the bottom end of the long strip structure is switched to the top end of the long strip structure by the linear movement of the long strip structure. At the same time, the round head located at the top end of the curved track is switched to the top end of the long strip track by the linear movement of the strip track.

[0017] When the substrate is in the third switching state, the substrate rotates relative to the base so that the elliptical head switches from a state where the major axis of the elliptical head is parallel to the axial direction of the long strip structure to a state where it is stuck by the arc-shaped edge at the top of the long strip structure through the rotation of the long strip structure. At the same time, the round head located at the top of the long strip path switches to the top of the arc path through the synchronous rotation of the arc-shaped path.

[0018] In one possible implementation, the flip-up license plate holder further includes a license plate bracket, which is screwed to the base plate.

[0019] In one possible implementation, two screw holes are provided on each side of the substrate, and the distance between the two screw holes on one side is greater than the distance between the two screw holes on the other side.

[0020] In one possible implementation, the license plate holder is a square structure. When the base plate is in a vertical state, the base plate is located at the end of the square structure; when the base plate is in a horizontal state, the base plate is located in the middle of the square structure.

[0021] In one possible implementation, the flip-up license plate holder also includes a license plate, and the license plate and the license plate holder are detachably connected.

[0022] Compared with the prior art, the beneficial effects of this utility model are as follows: A flip-up license plate holder includes a base plate for connecting a license plate bracket, a base for connecting a trailer frame, a screw, and a nut; the base plate has a through groove, and the base has a through hole; the screw passes through the through groove and the through hole in sequence, and is then threadedly connected to the nut; the base plate can slide relative to the base along the direction of the through groove; when the base plate slides relative to the base to the point where the screw is at one end of the through groove, the base plate is in a vertical state; when the base plate slides relative to the base to the point where the screw is at the other end of the through groove, the base plate is in a horizontal state. Therefore, this flip-up license plate holder, through the relative sliding between the base plate and the base and the adjustment of the screw's position within the through groove, achieves the flipping function of the base plate, thereby driving the license plate bracket connected to the base plate to complete the flipping action, effectively solving the problem that traditional license plate brackets cannot be flipped. When the screw is at one end of the slot, the base plate remains vertical, and the license plate holder and the license plate on it flip and fold up simultaneously. When the screw is at the other end of the slot, the base plate turns horizontal, and the license plate on the license plate holder is in the normal display position. Traditional license plate holders have a rigid structure and a fixed angle. After connecting them to the flip-up license plate bracket, users do not need to disassemble the license plate holder. They only need to adjust the position of the base plate to easily assist the license plate holder in folding up and displaying the license plate. It is highly compatible with folding trailer racks, significantly improving the convenience and overall experience for users. Attached Figure Description

[0023] Figure 1 This is a schematic diagram of the first structure of the flip-up license plate holder provided in an embodiment of the present utility model;

[0024] Figure 2 This is a schematic diagram of the second structure of the flip-up license plate holder provided in an embodiment of the present utility model;

[0025] Figure 3 A schematic diagram of the substrate provided in an embodiment of this utility model;

[0026] Figure 4 This is a structural disassembly diagram of the spring limiting pin provided in an embodiment of the present utility model;

[0027] Figure 5 A schematic diagram illustrating the structural position change of the flip-up license plate holder provided in this embodiment of the present invention when switching from a vertical to a horizontal state.

[0028] The annotations in the attached figures are explained as follows:

[0029] 10. Base plate; 11. Screw hole; 12. Groove; 13. Long strip structure; 131. Arc edge; 14. Arc track; 15. Strip track; 16. Curved track; 20. Base; 31. Oval head; 32. Round head; 41. First nut; 42. Second nut; 51. Spring; 52. Wrench; 53. Pin; 54. Sleeve. Detailed Implementation

[0030] The solutions in the embodiments of this utility model will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only a part of the embodiments of this utility model, and not all of them. Based on the embodiments of this utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of this utility model.

[0031] It should be noted that if the embodiments of this utility model involve directional indicators (such as up, down, left, right, front, back, etc.), the directional indicators are only used to explain the relative positional relationship and sliding situation between the components in a certain specific posture (as shown in the figure). If the specific posture changes, the directional indicators will also change accordingly.

[0032] Furthermore, if the embodiments of this utility model involve descriptions such as "first" or "second," these descriptions are for descriptive purposes only and should not be construed as indicating or implying their relative importance or implicitly specifying the number of technical features indicated. Therefore, a feature defined with "first" or "second" may explicitly or implicitly include at least one of those features. Additionally, the technical solutions of the various embodiments can be combined with each other, but this must be based on the ability of those skilled in the art to implement them. When the combination of technical solutions is contradictory or impossible to implement, it should be considered that such a combination of technical solutions does not exist and is not within the scope of protection claimed by this utility model.

[0033] Please refer to Figure 1-5 As shown, this utility model proposes a flip-up license plate bracket, including a base plate 10 for connecting a license plate holder, a base 20 for connecting a trailer frame, screws, and nuts; the base plate 10 is provided with a through groove, the base 20 is provided with a through hole, the screw passes through the through groove and the through hole in sequence, and is then threadedly connected to the nut, and the base plate 10 can slide relative to the base 20 along the direction of the through groove;

[0034] When the substrate 10 slides relative to the base 20 to the position where the screw is at one end of the through slot, the substrate 10 is in a vertical state; when the substrate 10 slides relative to the base 20 to the position where the screw is at the other end of the through slot, the substrate 10 is in a horizontal state.

[0035] Specifically, this flip-up license plate bracket utilizes screws passing through the through-slots of the base plate 10 and the through-holes of the base 20, and then locking them with nuts, achieving a slidable connection between the base plate 10 and the base 20. The base plate 10 connects to an external license plate holder, and the base 20 connects to an external trailer frame. The sliding adjustment of the base plate 10 relative to the base 20 makes it possible for the license plate holder to flip relative to the trailer frame. The license plate is installed on the license plate holder, thus ultimately achieving precise switching between the vertical and horizontal positions of the license plate. This flip-up license plate bracket has a simple and practical overall structure, facilitating installation and manual adjustment by the user.

[0036] Compared with existing technologies, the flip-up license plate bracket proposed in this embodiment achieves the flipping function of the base plate 10 through the relative sliding between the base plate 10 and the base 20 and the adjustment of the screw position within the through slot. This, in turn, drives the license plate holder connected to the base plate 10 to complete the flipping action, effectively solving the problem that traditional license plate holders cannot be flipped. When the screw is located at one end of the through slot, the base plate 10 remains vertical, and the license plate holder and the license plate on it flip up and retract simultaneously. When the screw is located at the other end of the through slot, the base plate 10 turns to a horizontal state, and the license plate on the license plate holder is in the normal display position. Traditional license plate holders have a rigid structure and a fixed angle. After connecting them to the flip-up license plate bracket, users do not need to disassemble the license plate holder; they only need to adjust the position of the base plate 10 to easily assist the license plate holder in retracting and displaying the license plate. It is highly compatible with folding trailer racks, significantly improving the user's convenience and overall experience.

[0037] In some embodiments of this application, the substrate 10 is provided with a recessed position, and the flip-up license plate holder further includes a locking structure connected to the base 20; when the locking part of the locking structure extends into the recessed position, the substrate 10 cannot slide relative to the base 20; when the locking part of the locking structure exits the recessed position, the substrate 10 can slide relative to the base 20.

[0038] Specifically, the locking structure controls the relative sliding of the base plate 10 and the base 20 through mechanical locking, which not only ensures the stability of the flip-up license plate bracket during use and prevents the base plate 10 from sliding in the non-adjusted state, but also allows the user to quickly fix and release the base plate 10 by operating the locking structure, further facilitating the adjustment of the angle and position of the license plate bracket and the license plate.

[0039] In some embodiments of this application, the locking structure is a spring-loaded limiting pin, which includes a spring 51, a wrench 52, a strip-shaped pin 53, and a hollow sleeve 54. The sleeve 54 is connected to the base 20. The spring 51 and the pin 53 are located in the hollow area of ​​the sleeve 54. The spring 51 is sleeved on the outside of the pin 53, and one end of the spring 51 is connected to the pin 53. One end of the pin 53 is connected to the wrench 52. The wrench 52 is located on the outside of the sleeve 54 and can move back and forth along the axial direction of the pin 53.

[0040] When the wrench 52 moves backward, the wrench 52 causes the other end of the pin 53 to exit the recessed position, and the spring 51 is in a compressed state; when the spring 51 is in a reset state, the spring 51 causes the other end of the pin 53 to extend into the recessed position, and the wrench 52 moves forward.

[0041] For details, please refer to Figure 4 As shown, by pulling the wrench 52 backward, the user can move the pin 53 backward along the axial direction, causing the other end of the pin 53 to exit the recessed position and release the lock. During this process, the spring 51 is compressed. After the user releases the wrench 52, the spring 51 returns to its original position. The spring force of the spring 51 drives the pin 53, causing its other end to move forward and extend into the recessed position, thus locking it. This spring-loaded limiting pin, by pulling the pin 53 with the wrench 52, causes the locking part to exit the recessed position (wherein, the pin 53 is the locking part of the locking structure), and by utilizing the spring force of the spring 51's automatic return, allows the locking part to extend into the recessed position. This ensures the stable locking of the base plate 10 in the non-adjusted state and also facilitates manual unlocking by the user.

[0042] In some embodiments of this application, the through groove includes a first through groove and a second through groove, the through hole includes a first through hole and a second through hole, the screw includes a first screw and a second screw, and the nut includes a first nut 41 and a second nut 42.

[0043] The first through groove and the second through groove do not intersect. The first screw passes through the first through groove and the first through hole in sequence, and is then threaded to the first nut 41. The second screw passes through the second through groove and the second through hole in sequence, and is then threaded to the second nut 42.

[0044] Specifically, the two through slots and the two screws work together to achieve different sliding directions and positions, making the sliding adjustment of the base plate 10 relative to the base 20 more flexible and precise, thereby meeting diverse installation and adjustment needs.

[0045] In some embodiments of this application, the substrate 10 is further provided with a groove 12, the groove 12 being located between the first through groove and the second through groove, and the recessed position being located at one end of the groove 12.

[0046] Specifically, the recessed area is located at one end of the groove 12. The groove 12 serves as a buffer area between the two through slots, thereby separating the recessed area from the sliding path of the substrate 10. This prevents the locking part from interfering with the free sliding of the through slots when the substrate 10 slides, ensuring smooth adjustment. Furthermore, the rational layout of the groove 12 and the recessed area makes the structure of the flip-up license plate holder more compact, with a clear locking position, facilitating manufacturing and subsequent assembly, and improving production efficiency.

[0047] In some embodiments of this application, the first through groove is a long strip structure 13, and the two ends of the long strip structure 13 are respectively provided with an arc-shaped edge 131. The second through groove includes an integrally formed arc-shaped channel 14, a strip channel 15 and a curved channel 16. One end of the strip channel 15 is connected to one end of the arc-shaped channel 14, and the other end of the strip channel 15 is connected to one end of the curved channel 16. The screw head of the first screw is an elliptical head 31, and the screw head of the second screw is a round head 32.

[0048] When the substrate 10 is in a vertical state, the elliptical head 31 is located at the bottom end of the elongated structure 13 and is held in place by the arc-shaped edge 131 at the bottom end of the elongated structure 13, and the round head 32 is located at the bottom end of the curved channel 16; when the substrate 10 is in a horizontal state, the elliptical head 31 is located at the top end of the elongated structure 13 and is held in place by the arc-shaped edge 131 at the top end of the elongated structure 13, and the round head 32 is located at the top end of the curved channel 14; wherein, the process of the substrate 10 switching from the vertical state to the horizontal state includes a first switching state, a second switching state, and a third switching state;

[0049] When the substrate 10 is in the first switching state, the substrate 10 rotates relative to the base 20 so that the elliptical head 31 is switched from being stuck by the arc edge 131 at the bottom of the elongated structure 13 to a state in which the major axis of the elliptical head 31 is parallel to the axial direction of the elongated structure 13 through the rotation of the elongated structure 13. At the same time, the round head 32 located at the bottom of the curved channel 16 is switched to the top of the curved channel 16 through the synchronous rotation of the curved channel 16.

[0050] When the substrate 10 is in the second switching state, the substrate 10 moves linearly relative to the base 20 so that the elliptical head 31 located at the bottom end of the elongated structure 13 is switched to the top end of the elongated structure 13 by the linear movement of the elongated structure 13. At the same time, the round head 32 located at the top end of the curved channel 16 is switched to the top end of the elongated channel 15 by the linear movement of the strip channel 15.

[0051] When the substrate 10 is in the third switching state, the substrate 10 rotates relative to the base 20 so that, through the rotation of the elongated structure 13, the elliptical head 31 switches from a state where the major axis of the elliptical head 31 is parallel to the axial direction of the elongated structure 13 to a state where it is stuck by the arc-shaped edge 131 at the top of the elongated structure 13. At the same time, through the synchronous rotation of the arc-shaped channel 14, the round head 32 located at the top of the strip channel 15 switches to a position located at the top of the arc-shaped channel 14.

[0052] For details, please refer to Figure 5As shown in Figure A, the substrate 10 is in the initial structural position of the first switching state, where it is in a vertical position and needs to be rotated relative to the base 20 from the vertical position to a preset first position. Figure B-1 shows the substrate 10 in the initial structural position of the second switching state (the initial structural position of the second switching state is the preset first position), where it is in the preset first position and needs to be moved linearly relative to the base 20 from the preset first position to a preset second position. Figure B-2 shows the substrate 10 in the final structural position of the second switching state (the final structural position of the second switching state is the preset second position), where it has completed the linear movement relative to the base 20. Figure C shows the substrate 10 in the final structural position of the third switching state, where it has rotated relative to the base 20 from the preset second position to a horizontal position, meaning that the substrate 10 has completed the switch from the vertical state to the horizontal state. In short, when the substrate 10 is in the first switching state, the elliptical head 31 rotates along the arcuate edge 131 at the bottom of the elongated structure 13, while the round head 32 slides along the curved path 16; when the substrate 10 is in the second switching state, the elliptical head 31 slides along the elongated structure 13, while the round head 32 slides along the strip path 15; when the substrate 10 is in the third switching state, the elliptical head 31 rotates along the arcuate edge 131 at the top of the elongated structure 13, while the round head 32 slides along the arcuate path 14. The above describes the adjustment process of the substrate 10 switching from the vertical state to the horizontal state. The adjustment process of the substrate 10 switching from the horizontal state to the vertical state is the reverse of the above adjustment process. It should be noted that the terms "top" and "bottom" are defined based on the relative position of the substrate 10 when it is in the vertical state; when the substrate 10 rotates to the horizontal state, the definitions of "top" and "bottom" in the vertical state are still used.

[0053] The screw head is elliptical (31), meaning the screw head has an elliptical structure; the screw head is round (32), meaning the screw head has a circular structure. The first screw uses an elliptical head (31) design, and the second screw uses a round head (32) design, effectively solving the problem of jamming when the substrate 10 slides due to the symmetrical shape of the two round-headed screws. The asymmetrical shape of the elliptical head (31), combined with the arc edge (131), accurately guides the first screw to slide axially in a straight line along the first through slot, preventing it from rotating or shifting within the slot, ensuring that both screws move synchronously and smoothly in a straight line. This design effectively avoids situations where the substrate 10 cannot return to a vertical or horizontal state due to the screw not returning to its correct position when sliding back and forth along the through slot. In contrast, if both screws had round heads (32), lacking directional constraint, the substrate 10 would easily rotate, causing the screw's sliding direction to deviate from the through slot axis, resulting in uneven sliding or even jamming, affecting the smooth switching of the substrate 10 between horizontal and vertical states, reducing adjustment accuracy and user experience. The combined design of the elliptical head 31 and the arc-shaped edge 131 not only improves the stability and reliability of adjustment, but also significantly enhances the smoothness and convenience of operation.

[0054] In some embodiments of this application, the flip-up license plate holder further includes a license plate bracket, which is screwed to the base plate 10.

[0055] Specifically, the license plate holder is longer than the base plate 10, and the two are connected by screws for easy disassembly and installation.

[0056] In some embodiments of this application, two screw holes 11 are respectively provided on both sides of the substrate 10, and the distance between the two screw holes 11 on one side is greater than the distance between the two screw holes 11 on the other side.

[0057] Specifically, the asymmetrical hole spacing between the two screw holes 11 ensures that the license plate bracket can only be installed on the base plate 10 in the correct direction, avoiding the problem of reverse installation caused by symmetrical hole positions, improving the accuracy and efficiency of assembly, and further facilitating the display of the license plate.

[0058] In some embodiments of this application, the license plate holder is a square structure. When the base plate 10 is in a vertical state, the base plate 10 is located at the end of the square structure; when the base plate 10 is in a horizontal state, the base plate 10 is located in the middle of the square structure.

[0059] Specifically, the license plate holder is typically longer than the base plate 10. When the base plate 10 is vertical, the license plate holder is also vertical, with the base plate 10 located at the end of the license plate holder. This effectively reduces interference between the base plate 10 and other parts of the license plate holder, facilitating storage of the license plate holder in its vertical position and meeting space layout requirements. When the base plate 10 is horizontal, the license plate holder is also horizontal, with the base plate 10 located in the middle of the license plate holder. This helps to distribute the weight of the base plate 10 more evenly, improving the overall stability of the license plate holder and preventing tilting or swaying of the license plate holder caused by the offset of the base plate 10.

[0060] In some embodiments of this application, the flip-up license plate holder further includes a license plate, and the license plate and the license plate bracket are detachably connected.

[0061] Specifically, common detachable connection methods between the license plate and the license plate bracket include slot-type connection, snap-on connection and sliding rail connection. These connection methods not only ensure a firm connection between the two, but also facilitate quick disassembly by the user, realizing flexible installation and disassembly of the license plate and the license plate bracket.

[0062] The flip-up license plate holder provided in this embodiment has a clever design. The base 20 is fixedly installed on the folding trailer frame, the base plate 10 is tightly connected to the license plate holder, and the license plate holder is also securely attached to the license plate. This flip-up license plate holder allows users to flip and store the license plate holder directly by flipping the base plate 10 without disassembling the license plate holder. This not only simplifies the operation process and improves ease of use, but also effectively saves disassembly and assembly time, ensuring that the license plate remains stable during storage and unfolding, further improving the practicality and user experience of the folding trailer frame.

[0063] It should be noted that the technical solutions of the various embodiments of this utility model can be combined with each other, but this must be based on the ability of those skilled in the art to implement them. When the combination of technical solutions is contradictory or cannot be implemented, it should be considered that such combination of technical solutions does not exist and is not within the scope of protection claimed by this utility model.

[0064] The above description is only a part or preferred embodiment of this utility model. Neither the text nor the drawings should limit the scope of protection of this utility model. All equivalent structural transformations made using the content of this utility model specification and drawings under the overall concept of this utility model, or direct / indirect applications in other related technical fields, are included within the scope of protection of this utility model.

Claims

1. A flip-up license plate holder, characterized in that, It includes a base plate for connecting a license plate bracket, a base for connecting a trailer frame, screws, and nuts; the base plate is provided with a through groove, the base is provided with a through hole, the screw passes through the through groove and the through hole in sequence, and is then threadedly connected to the nut, and the base plate can slide relative to the base along the direction of the through groove; When the substrate slides relative to the base to the position where the screw is at one end of the through slot, the substrate is in a vertical state; when the substrate slides relative to the base to the position where the screw is at the other end of the through slot, the substrate is in a horizontal state.

2. The flip-up license plate holder according to claim 1, characterized in that, The substrate has a recessed position, and the flip-up license plate holder also includes a locking structure connected to the base; when the locking part of the locking structure extends into the recessed position, the substrate cannot slide relative to the base; when the locking part of the locking structure exits the recessed position, the substrate can slide relative to the base.

3. A flip-up license plate holder according to claim 2, characterized in that, The locking structure is a spring limiting pin, which includes a spring, a wrench, a strip-shaped pin body, and a hollow sleeve. The sleeve is connected to the base, and the spring and the pin body are located in the hollow area of ​​the sleeve. The spring is sleeved on the outside of the pin body, and one end of the spring is connected to the pin body. One end of the pin body is connected to the wrench, and the wrench is located on the outside of the sleeve and can move back and forth along the axial direction of the pin body. When the wrench moves backward, it causes the other end of the pin to exit the recessed position, and the spring is in a compressed state; when the spring is in a reset state, it causes the other end of the pin to extend into the recessed position, and the wrench moves forward.

4. A flip-up license plate holder according to claim 2, characterized in that, The through groove includes a first through groove and a second through groove, the through hole includes a first through hole and a second through hole, the screw includes a first screw and a second screw, and the nut includes a first nut and a second nut; The first through groove and the second through groove do not intersect. The first screw passes through the first through groove and the first through hole in sequence, and is then threadedly connected to the first nut. The second screw passes through the second through groove and the second through hole in sequence, and is then threadedly connected to the second nut.

5. A flip-up license plate holder according to claim 4, characterized in that, The substrate is also provided with a groove, which is located between the first through groove and the second through groove, and the recess is located at one end of the groove.

6. A flip-up license plate holder according to claim 4, characterized in that, The first through groove is a long strip structure, and each end of the long strip structure is provided with an arc-shaped edge. The second through groove includes an integrally formed arc-shaped channel, a strip channel and a curved channel. One end of the strip channel is connected to one end of the arc-shaped channel, and the other end of the strip channel is connected to one end of the curved channel. The screw head of the first screw is an elliptical head, and the screw head of the second screw is a round head. When the substrate is in a vertical state, the elliptical head is located at the bottom end of the elongated structure and is held in place by the arc-shaped edge at the bottom end of the elongated structure, while the round head is located at the bottom end of the curved channel; when the substrate is in a horizontal state, the elliptical head is located at the top end of the elongated structure and is held in place by the arc-shaped edge at the top end of the elongated structure, while the round head is located at the top end of the curved channel; wherein, the process of the substrate switching from the vertical state to the horizontal state includes a first switching state, a second switching state, and a third switching state; When the substrate is in the first switching state, the substrate rotates relative to the base so that the elliptical head is switched from being stuck by the arc edge at the bottom of the elongated structure to a state in which the major axis of the elliptical head is parallel to the axial direction of the elongated structure through the rotation of the elongated structure. At the same time, the round head located at the bottom of the curved track is switched to the top of the curved track through the synchronous rotation of the curved track. When the substrate is in the second switching state, the substrate moves linearly relative to the base so that the elliptical head located at the bottom end of the long strip structure is switched to the top end of the long strip structure by the linear movement of the long strip structure. At the same time, the round head located at the top end of the curved track is switched to the top end of the long strip track by the linear movement of the strip track. When the substrate is in the third switching state, the substrate rotates relative to the base so that the elliptical head switches from a state where the major axis of the elliptical head is parallel to the axial direction of the long strip structure to a state where it is stuck by the arc-shaped edge at the top of the long strip structure through the rotation of the long strip structure. At the same time, the round head located at the top of the long strip path switches to the top of the arc path through the synchronous rotation of the arc-shaped path.

7. A flip-up license plate holder according to claim 1, characterized in that, The flip-up license plate holder also includes a license plate bracket, which is screwed to the base plate.

8. A flip-up license plate holder according to claim 7, characterized in that, Two screw holes are provided on each side of the substrate, and the distance between the two screw holes on one side is greater than the distance between the two screw holes on the other side.

9. A flip-up license plate holder according to claim 7, characterized in that, The license plate holder has a square structure. When the base plate is in a vertical state, the base plate is located at the end of the square structure; when the base plate is in a horizontal state, the base plate is located in the middle of the square structure.

10. A flip-up license plate holder according to claim 7, characterized in that, The flip-up license plate holder also includes a license plate, and the license plate and the license plate bracket are detachably connected.

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