Speed limit board frame

Abstract

The utility model relates to the technical field of road signs, in particular to a speed limit board frame which comprises a base, a supporting frame, a speed limit board body, a flashing light and a display screen, the lower end of the supporting frame is connected to the base, the speed limit board body is connected to a mounting frame, the display screen is connected to the supporting frame and used for displaying the vehicle speed measured by a speed measuring mechanism, and the flashing light is connected to the supporting frame and used for displaying the vehicle speed measured by a speed measuring mechanism. The speed limit board body, the flashing light and the display screen are all located on the same side of the supporting frame. The display displays the speed of the target vehicle, so that a driver can directly compare the speed with the specified speed on the speed limit board body, and the driver can know whether the speed is overspeed or not. When the target vehicle speed exceeds the specified vehicle speed by a certain proportion, the flashing light flashes to prompt a driver to reduce the vehicle speed.

Description

Technical Field

[0001] The present application relates to the technical field of road signs, and in particular to a speed limit sign frame. Background Art

[0002] At the construction site of a highway traffic project, it is sometimes necessary to close part of the road for construction and leave a separate lane for vehicles to pass. Therefore, passing vehicles need to slow down to ensure the safety of construction workers on site.

[0003] However, the existing warning devices used in highway construction sites can only remind and avoid vehicles, but cannot measure the speed of passing vehicles in real time, and cannot give on-site alarms and reminders for speeding vehicles, resulting in the lack of safety protection for construction site workers. To this end, we propose an early warning monitoring device for highway traffic engineering construction. Utility Model Content

[0004] In order to remind the driver of the speed of the vehicle and ensure road driving safety, the present application provides a speed limit sign frame.

[0005] The speed limit sign frame provided in this application adopts the following technical solution:

[0006] A speed limit sign frame comprises a base, a support frame, a speed limit sign body, a flashing light and a display screen, wherein the lower end of the support frame is connected to the base, the speed limit sign body is connected to the mounting frame, the display screen is connected to the support frame, the display screen is used to display the vehicle speed measured by a speed measuring mechanism, the flashing light is connected to the support frame, and the speed limit sign body, the flashing light and the display screen are all located on the same side of the support frame.

[0007] By adopting the above technical solution, the display shows the speed of the target vehicle, which is convenient for the driver to directly compare with the speed specified on the speed limit sign, so that the driver knows whether he is speeding. When the target speed exceeds the specified speed by a certain percentage, the flashing light flashes to remind the driver to reduce the speed.

[0008] Preferably, it also includes a mounting frame, which is slidably connected to the support frame, the sliding direction of the mounting seat is vertical, and the speed limit sign body is connected to the mounting frame.

[0009] By adopting the above technical solution, it is convenient to adjust the height of the speed limit sign according to the actual situation, which helps the driver to better observe the speed specified in the road section and saves space during transportation.

[0010] Preferably, it also includes a solar panel, which is connected to the upper end of the mounting frame.

[0011] By adopting the above technical solution, the solar panel can provide power for the display screen and the flash light, so that the product can be used in situations where it is inconvenient to connect to an external power supply, thereby improving the applicability of the product.

[0012] Preferably, the base includes a seat body, a directional wheel and a universal wheel. Two directional wheels are provided. The directional wheels are rotatably connected to the seat body. The rotation axis of the directional wheels is horizontal. The two directional wheels are symmetrically distributed along the length direction of the seat body. The universal wheel is connected to one side of the seat body along the width direction.

[0013] By adopting the above technical solution, the directional wheels and universal wheels arranged on the seat body can directly push the seat body to the position where it needs to be placed, which is convenient for carrying the speed limit sign frame.

[0014] Preferably, the base also includes a supporting wheel frame, which includes a second sliding rod, a second sleeve, a second rotating shaft and a second connecting rod, the second sliding rod being slidably connected to the seat body, the sliding direction of the second sliding rod being parallel to the width direction of the seat body, the second sleeve being connected to the outer periphery of the second sliding rod, the second sleeve being located at the end of the second sliding rod away from the seat body, the second rotating shaft being coaxially rotatably connected to the second sleeve, the rotation axis of the second rotating shaft being vertical, the second connecting rod being threadedly connected to the second rotating shaft, the second connecting rod being slidably embedded in the second sleeve, the sliding direction of the second connecting rod being vertical, and the universal wheel being connected to the lower end of the second connecting rod.

[0015] By adopting the above technical solution,……

[0016] Preferably, the base further includes a supporting foot, the supporting foot is slidably connected to the seat body, the sliding direction of the supporting foot is vertical, four supporting feet are provided, and the four supporting feet are distributed at the four corners of the seat body.

[0017] By adopting the above technical solution, after the speed limit sign frame is located in the designated area, the supporting feet can be moved downward so that the directional wheels are not in contact with the ground, thereby achieving the positioning of the speed limit sign frame and reducing the possibility of base movement.

[0018] Preferably, the base also includes supporting legs, the number of the supporting legs is the same as the number of supporting legs and corresponds one to one, the supporting legs include a first sliding rod, a first sleeve and a first rotating shaft, the first sliding rod is slidably connected to the base, the sliding direction of the first sliding rod is horizontal, the first sleeve is connected to the end of the first sliding rod away from the base body, the first rotating shaft is coaxially rotatably connected to the first sleeve, the rotation axis of the first rotating shaft is vertical, the supporting leg is threadedly connected to the first rotating shaft, and the supporting leg is slidably connected to the first sleeve.

[0019] By adopting the above technical solution, the extended length of the first sliding rod can be adjusted according to the site. The longer the extended length of the first sliding rod is, the higher the supporting stability of the support foot on the base is.

[0020] Preferably, the support frame is rotatably connected to the upper end of the base, the rotation axis of the support frame is vertical, the base is provided with a plurality of fixing holes, the plurality of fixing holes are evenly spaced along the rotation axis of the support frame, the axis of any of the fixing holes does not coincide with the rotation axis of the support frame, and the support frame is provided with a connecting hole, which is used for a bolt to pass through and then be threadedly connected to the fixing hole.

[0021] By adopting the above technical solution, the orientations of the display screen, flashing lights and speed limit sign body can be adjusted as needed, making the display screen, flashing lights and speed limit sign body easier for drivers to observe.

[0022] In summary, the present application includes at least one of the following beneficial technical effects:

[0023] 1. The display shows the speed of the target vehicle, which is convenient for the driver to directly compare with the speed specified on the speed limit sign, so that the driver knows whether he is speeding. When the target speed exceeds the specified speed by a certain percentage, the flashing light flashes to remind the driver to reduce the speed;

[0024] 2. The solar panel can provide power for the display screen and flashing light, so that the product can be used in places where it is inconvenient to connect to an external power source, thus improving the applicability of the product;

[0025] 3. The directional wheels and universal wheels arranged on the seat body make it possible to directly push the seat body to the position where it needs to be placed, making it easy to carry the speed limit sign frame. BRIEF DESCRIPTION OF THE DRAWINGS

[0026] Figure 1 It is a structural schematic diagram of Example 1.

[0027] Figure 2 It is a partial cross-sectional view of the supporting wheel frame and the universal wheel of Example 1.

[0028] Figure 3 It is a partial cross-sectional view of the support stand and the support foot of Example 1.

[0029] Figure 4 It is a schematic diagram of the partial explosion structure of the support frame and the base of Example 1.

[0030] Figure 5 It is a structural schematic diagram of embodiment 1 from another perspective.

[0031] Figure 6 It is a structural schematic diagram of Example 2.

[0032] Figure 7 It is a structural schematic diagram of embodiment 2 from another perspective.

[0033] Description of reference numerals:

[0034] 1. Base; 11. Base body; 111. Second limiting hole; 112. First limiting hole; 12. Fixed wheel; 13. Universal wheel; 14. Support foot; 141. First connecting rod; 1411. First abutting groove; 142. Support plate; 1421. Chamfer; 15. Support wheel frame; 151. Second sliding rod; 152. Second sleeve; 1521. Second abutting block; 153. Second rotating shaft; 154. Second connecting rod; 1541. Second abutting groove; 155. Transmission assembly; 1551. Main Moving bevel gear; 1552, driven bevel gear; 156, second handle; 1561, second rotating section; 1562, second connecting section; 1563, second holding section; 16, supporting tripod; 161, first sliding rod; 162, first sleeve; 1621, first abutting block; 163, first rotating shaft; 164, first handle; 1641, first connecting section; 1642, first holding section; 17, battery compartment; 171, accommodating chamber; 18, rotating seat; 19, ring plate; 191, fixing hole;

[0035] 2. Support frame; 21. Support column; 211. Slide groove; 212. Third limiting hole; 22. Limiting plate; 221. Connecting hole; 23. Connecting plate; 231. Mounting hole; 24. Reinforcement rod; 25. First mounting rod; 26. Fixing seat; 261. Through groove; 262. Positioning hole; 27. Second mounting rod; 28. Second hinged seat; 29. ​​Second fixing rod;

[0036] 3. Speed ​​limit sign body;

[0037] 4. Flashing lights;

[0038] 5. Display screen;

[0039] 6. Mounting frame; 61. Mounting column; 62. Mounting plate; 621. Speed ​​limit sign mounting plate; 622. Battery mounting plate; 63. Abutment rod; 64. First hinge seat; 65. First fixing rod; 651. Through hole;

[0040] 7. Solar panels;

[0041] 8. Installation box; 81. Installation slot. DETAILED DESCRIPTION

[0042] The present application is further described in detail below in conjunction with the accompanying drawings.

[0043] The embodiment of the present application discloses a speed limit sign frame.

[0044] Example 1

[0045] Reference Figure 1 A speed limit sign frame includes a base 1. The base 1 includes a base body 11, a directional wheel 12 and a support wheel frame 15. The directional wheel 12 is rotatably connected to the base body 11, and the rotation axis of the directional wheel 12 is parallel to the length direction of the base body 11. Two directional wheels 12 are provided, and the two directional wheels 12 are symmetrically distributed along the length direction of the base body 11. The support wheel frame 15 includes a second sliding rod 151 and a second sleeve 152. The second sliding rod 151 is slidably connected to the base body 11, and the sliding direction of the second sliding rod 151 is parallel to the width direction of the base body 11. The base body 11 is provided with a second limiting hole 111, and the second limiting hole 111 is used for a bolt to pass through and then tighten the outer periphery of the second sliding rod 151 to fix the second sliding rod 151. The second sleeve 152 is fixedly connected to the side of the second sliding rod 151 away from the base body 11, and the axis of the second sleeve 152 is vertical.

[0046] Reference Figure 1 and Figure 2 The support wheel frame 15 also includes a second rotating shaft 153, a second connecting rod 154, a transmission assembly 155 and a second handle 156. The second rotating shaft 153 is coaxially rotatably embedded in the second sleeve 152, and the rotation axis of the second rotating shaft 153 is vertical. The transmission assembly 155 includes a driving bevel gear 1551 and a driven bevel gear 1552. The driven bevel gear 1552 is coaxially fixedly connected to the upper end of the second rotating shaft 153, the driving bevel gear 1551 is rotatably embedded in the second sleeve 152, and the driving bevel gear 1551 is meshed with the driven bevel gear 1552. The second handle 156 includes a second rotating section 1561, a second connecting section 1562 and a second gripping section 1563. The second rotating section 1561 is rotatably connected to the second sleeve 152, one end of the second rotating section 1561 extends into the second sleeve 152, and the second rotating section 1561 is coaxially fixedly connected to one side of the driving bevel gear 1551. The other end of the second rotating section 1561 extends out of the second sleeve 152 and is fixedly connected to one end of the second connecting section 1562, and the axis of the second rotating section 1561 is perpendicular to the axis of the second connecting section 1562. The other end of the second connecting section 1562 is fixedly connected to one end of the second gripping section 1563 close to the second sleeve 152, and the axis of the second gripping section 1563 is parallel to the axis of the second rotating section 1561.

[0047] The base 1 also includes a universal wheel 13. The support wheel frame 15 also includes a second connecting rod 154. The second connecting rod 154 is coaxially slidably embedded in the second sleeve 152, the sliding direction of the second connecting rod 154 is vertical, and the outer wall of the second connecting rod 154 is in contact with the inner wall of the second sleeve 152. The inner wall of the second sleeve 152 is connected with a second abutment block 1521, and the outer wall of the second connecting rod 154 is provided with a second abutment groove 1541. The second abutment block 1521 is slidably embedded in the second abutment groove 1541, and the sliding direction of the second abutment block 1521 is parallel to the sliding direction of the second connecting rod 154. The second connecting rod 154 is threadedly connected to the second rotating shaft 153, and the upper end of the universal wheel 13 is fixedly connected to the lower end of the second connecting rod 154.

[0048] Reference Figure 1 The base 1 also includes a support stand 16. The support stand 16 includes a first sliding rod 161, a first sleeve 162, a first rotating shaft 163 and a first handle 164. The first sliding rod 161 is slidably connected to the base body 11, and the sliding direction of the first sliding rod 161 is parallel to the rotation axis of the directional wheel 12. The base body 11 is provided with a first limiting hole 112, and the first limiting hole 112 is used for a bolt to pass through and then tighten the outer periphery of the first sliding rod 161 to fix the first sliding rod 161. The first sleeve 162 is fixedly connected to the end of the first sliding rod 161 away from the base body 11, and the axis of the first sleeve 162 is vertical.

[0049] Reference Figure 1 and Figure 3 The support leg 16 also includes a first rotating shaft 163 and a first handle 164. The first rotating shaft 163 is coaxially rotatably embedded in the first sleeve 162, and the rotation axis of the first rotating shaft 163 is vertical. The first handle 164 includes a first connecting section 1641 and a first gripping section 1642. One end of the first connecting section 1641 is fixedly connected to the upper end of the first rotating shaft 163, and the axis of the first connecting section 1641 is horizontal. The other end of the first connecting section 1641 is fixedly connected to the lower end of the first gripping section 1642, and the axis of the first gripping section 1642 is parallel to the rotation axis of the first rotating shaft 163.

[0050] The base 1 also includes a support foot 14. The support foot 14 includes a first connecting rod 141 and a support plate 142. The first connecting rod 141 is coaxially slidably embedded in the first sleeve 162, the sliding direction of the first connecting rod 141 is vertical, and the outer wall of the first connecting rod 141 is in contact with the inner wall of the first sleeve 162. A first abutment block 1621 is connected to the inner wall of the first sleeve 162, the outer wall of the first connecting rod 141 is provided with a first abutment groove 1411, the first abutment block 1621 is slidably embedded in the first abutment groove 1411, and the sliding direction of the first abutment block 1621 is parallel to the sliding direction of the first connecting rod 141. The first connecting rod 141 is threadedly connected to the first rotating shaft 163, the upper end of the support plate 142 is fixedly connected to the lower end of the first connecting rod 141, and the outer periphery of the lower end of the support plate 142 is provided with a chamfer 1421. In this embodiment, four support feet 14 are provided, and the four support feet 14 are distributed at the four corners of the seat body 11. The number of the supporting legs 16 is the same as the number of the supporting legs 14 and corresponds one to one.

[0051] Reference Figure 1 The base 1 further includes a battery compartment 17. The battery compartment 17 is fixedly connected to the upper end of the base body 11, and the battery compartment 17 is provided with a receiving cavity 171, and the receiving cavity 171 is used for placing the battery assembly and the circuit components.

[0052] Reference Figure 1 and Figure 4 , a speed limit sign frame also includes a support frame 2. The base 1 also includes a rotating seat 18. The lower end of the rotating seat 18 is fixedly connected to the upper end of the seat body 11. The support frame 2 includes a support column 21. The support column 21 is rotatably connected to the upper end of the rotating seat 18, and the rotation axis of the support column 21 is vertical. The outer periphery of the upper end of the rotating seat 18 is connected with a ring plate 19, and the ring plate 19 is provided with a plurality of fixing holes 191, and the plurality of fixing holes 191 are evenly distributed along the circumference of the rotation axis of the support frame 2. The axis of any fixing hole 191 does not coincide with the rotation axis of the support column 21. The outer periphery of the lower end of the support column 21 is connected with a limiting plate 22, and the limiting plate 22 is provided with a connecting hole 221, and the connecting hole 221 is used for a bolt to pass through and then be threadedly connected with the fixing hole 191.

[0053] Reference Figure 1 and Figure 5, a speed limit sign frame also includes an installation box 8. The installation box 8 is fixedly connected to the side of the support column 21 facing the connecting hole 221. The support frame 2 also includes a connecting plate 23. One end of the connecting plate 23 is fixedly connected to the side wall of the support column 21, and the side surface of the connecting plate 23 facing the installation box 8 is in contact with the side surface of the installation box 8 facing the support column 21. The connecting plate 23 is provided with a mounting hole 231, and the mounting hole 231 is located on the side of the connecting plate 23 away from the support column 21. The mounting hole 231 is used for a bolt to pass through and then be threadedly connected to the installation box 8. In this embodiment, four connecting plates 23 are provided, two connecting plates 23 are in a group, and the two groups of connecting plates 23 are spaced apart along the length direction of the support column 21, and the same group of connecting plates 23 are symmetrically distributed along the length direction of the seat body 11.

[0054] Reference Figure 1 A speed limit sign frame also includes a display screen 5 and a flashing light 4. A mounting groove 81 is provided on a surface of the mounting box 8 on one side away from the support column 21. The display screen 5 is located in the mounting groove 81. The display screen 5 is fixedly connected to the bottom of the mounting groove 81. The display screen 5 is used to display the vehicle speed measured by the speed measuring mechanism. The flashing light 4 is located in the mounting groove 81. The flashing light 4 is fixedly connected to the bottom of the mounting groove 81. The flashing light 4 is located below the display screen 5.

[0055] Reference Figure 1 and Figure 5 A speed limit sign frame also includes a mounting frame 6, a speed limit sign body 3 and a solar panel 7. The mounting frame 6 includes a mounting column 61 and a mounting plate 62. A slide groove 211 is provided at the upper end of the support column 21, and the lower end of the mounting column 61 is slidably embedded in the slide groove 211, and the sliding direction of the mounting column 61 is vertical. A third limiting hole 212 is provided on the side of the support column 21 away from the mounting box 8, and the third limiting hole 212 is used for a bolt to pass through and then tighten against the outer wall of the mounting column 61 to fix the mounting column 61. The lower end of the mounting plate 62 is fixedly connected to the upper end of the mounting column 61. The solar panel 7 is fixedly connected to the upper end of the mounting plate 62. The speed limit sign body 3 is fixedly connected to the side of the mounting plate 62 away from the battery compartment 17.

[0056] The implementation principle of Example 1 is as follows: when it is necessary to move, loosen the bolts, push the mounting column 61 downward, so that the lower end of the mounting plate 62 abuts against the upper end of the support column 21, loosen the bolts, and fix the mounting column 61 to the support column 21. Turn the first handle 164 to drive the first rotating shaft 163 to rotate, and then drive the supporting foot 14 to move upward, so that the fixed wheel 12 and the universal wheel 13 are in contact with the ground, which is convenient for pushing the speed limit sign frame to move.

[0057] After being carried to the designated area, the first handle 164 is turned to drive the first rotating shaft 163 to rotate, thereby driving the support foot 14 to move downward, propping up the seat body 11, so that the directional wheels 12 and the universal wheels 13 are separated from the ground, and the speed limit sign frame is fixed. According to the situation on site, the bolts are loosened, and the mounting column 61 slides to the speed limit sign body 3 so that it is easier for the driver to observe, so that the solar panel 7 can receive light better, and the bolts are tightened to fix the support column 21 and the mounting column 61.

[0058] Example 2

[0059] Reference Figure 6 The difference between this embodiment and the first embodiment is that the support frame 2 includes a support column 21, a reinforcing rod 24 and a first mounting rod 25. The lower end of the support column 21 is fixedly connected to the upper end of the seat body 11. Two support columns 21 are provided, and the two support columns 21 are symmetrically distributed along the length direction of the seat body 11. The number of reinforcing rods 24 is the same as the number of support columns 21 and corresponds one to one. The reinforcing rod 24 is arranged obliquely, and the upper end of the reinforcing rod 24 is fixedly connected to the side surface of the support column 21 facing the battery compartment 17, and the lower end of the reinforcing rod 24 is fixedly connected to the upper end of the seat body 11. The connecting plate 23 is fixedly connected to the side of the support column 21 facing the battery compartment 17.

[0060] Reference Figure 6 and Figure 7 The mounting box 8 is fixedly connected to the side of the connecting plate 23 facing the battery compartment 17, and a mounting groove 81 is provided on the side surface of the mounting box 8 away from the connecting plate 23, and the mounting groove 81 is used for the display screen 5 and the flash light 4 to be embedded. The two ends of the first mounting rod 25 along the length direction of the first mounting rod 25 are respectively fixedly connected to the side surface of the support column 21 facing the other support column 21.

[0061] The mounting frame 6 further includes a mounting column 61, an abutting rod 63, a first hinge seat 64 and a first fixed rod 65. The number of mounting columns 61 is the same as the number of supporting columns 21 and corresponds to each other. The mounting columns 61 are rotatably connected to the upper ends of the supporting columns 21, and the rotation axis of the mounting columns 61 is parallel to the length direction of the first mounting rod 25. The abutting rod 63 is fixedly connected to the side of the lower end of the mounting column 61 away from the mounting box 8, and the side surface of the abutting rod 63 facing the mounting frame 6 abuts against the side surface of the supporting column 21 away from the battery compartment 17. The first hinge seat 64 is fixedly connected to the lower end of the abutting rod 63, and the upper end of the first fixed rod 65 is hinged to the first hinge seat 64. The hinge axis between the first fixed rod 65 and the first hinge seat 64 is parallel to the rotation axis of the mounting column 61.

[0062] The support frame 2 further includes a fixing seat 26. The fixing seat 26 is fixedly connected to a side of the first mounting rod 25 away from the battery compartment 17. The fixing seat 26 is provided with a through slot 261, which passes through the fixing seat 26 in a vertical direction, and the through slot 261 is used for the lower end of the first fixing rod 65 to be embedded. The first fixing rod 65 is provided with a through hole 651, and the fixing seat 26 is provided with a positioning hole 262, and the positioning hole 262 is used for a locking pin to pass through and then be embedded in the through hole 651 to fix the first fixing rod 65.

[0063] The mounting frame 6 also includes a mounting plate 62, which includes a speed limit sign mounting plate 621 and a battery mounting plate 622. The speed limit sign mounting plate 621 is fixedly connected to a side surface of the support column 21 facing the battery compartment 17, and the speed limit sign body 3 is fixedly connected to a side of the speed limit sign mounting plate 621 away from the support column 21. One end of the battery mounting plate 622 is rotatably connected to the upper end of the mounting column 61, and the rotation axis of the battery mounting plate 622 is parallel to the rotation axis of the mounting column 61. The solar panel 7 is fixedly connected to the upper end of the battery mounting plate 622.

[0064] The support frame 2 also includes a second mounting rod 27, a second hinge seat 28 and a second fixed rod 29. The number of the second mounting rods 27 is the same as the number of the support columns 21 and corresponds one to one, the number of the second hinge seats 28 is the same as the number of the second mounting rods 27 and corresponds one to one, and the number of the second fixed rods 29 is the same as the number of the second hinge seats 28 and corresponds one to one. One end of the second mounting rod 27 is fixedly connected to the side of the upper end of the support column 21 away from the battery compartment 17. The lower end of the second hinge seat 28 is fixedly connected to the upper end of the second mounting rod 27, and the second hinge seat 28 is located at the other end of the second mounting rod 27. The lower end of the second fixed rod 29 is hinged to the second hinge seat 28, and the hinge axis of the second fixed rod 29 and the second hinge seat 28 is parallel to the rotation axis of the mounting column 61. The upper end of the second fixed rod 29 is hinged to the end of the battery mounting plate 622 away from the mounting column 61. The hinge axis between the second fixing rod 29 and the battery mounting plate 622 is parallel to the hinge axis between the second fixing rod 29 and the second hinge seat 28 .

[0065] The implementation principle of Example 2 is: when it is necessary to move, take out the locking pin, rotate the mounting column 61 to a horizontal position, drive the solar panel 7 to rotate parallel to the speed limit sign body 3, and pass the locking pin through the positioning hole 262 and the through hole 651 in sequence to achieve fixation between the first fixing rod 65 and the first hinge seat 64.

[0066] After being carried to the designated area, the locking pin is removed, the mounting column 61 is rotated to be vertical, and the abutting rod 63 abuts the supporting column 21, so that the speed limit sign body 3 is easier to be observed by the driver, and the solar panel 7 is driven to rotate to be vertical to the speed limit sign body 3, so that the solar panel 7 can receive light better. The locking pin is passed through the positioning hole 262 and the through hole 651 in sequence to achieve the fixation between the first fixing rod 65 and the first hinge seat 64.

[0067] The above are all preferred embodiments of the present application, and the protection scope of the present application is not limited thereto. Therefore, any equivalent changes made according to the structure, shape, and principle of the present application should be included in the protection scope of the present application.

Claims

1. A speed limit sign frame, characterized by: The vehicle comprises a base (1), a support frame (2), a speed limit sign body (3), a flashing light (4) and a display screen (5); the lower end of the support frame (2) is connected to the base (1); the speed limit sign body (3) is connected to the support frame (2); the display screen (5) is connected to the support frame (2); the display screen (5) is used to display the vehicle speed measured by the speed measuring mechanism; the flashing light (4) is connected to the support frame (2); the speed limit sign body (3), the flashing light (4) and the display screen (5) are all located on the same side of the support frame (2); It also includes a mounting frame (6); the mounting frame (6) is slidably connected to the support frame (2); the sliding direction of the mounting frame (6) is vertical; the speed limit sign body (3) is connected to the mounting frame (6); The support frame (2) is rotatably connected to the upper end of the base (1); the rotation axis of the support frame (2) is vertical; the base (1) is provided with a plurality of fixing holes (191); the plurality of fixing holes (191) are evenly spaced along the rotation axis of the support frame (2); the axis of any of the fixing holes (191) does not coincide with the rotation axis of the support frame (2); the support frame (2) is provided with a connecting hole (221); the connecting hole (221) is used for a bolt to pass through and then be threadedly connected to the fixing hole (191).

2. The speed limit sign frame according to claim 1, characterized in that: It also includes a solar cell panel (7); the solar cell panel (7) is connected to the upper end of the mounting frame (6).

3. The speed limit sign frame according to claim 1, characterized in that: The base (1) comprises a base body (11), a fixed wheel (12) and a universal wheel (13); two fixed wheels (12) are provided; the fixed wheels (12) are rotatably connected to the base body (11); the rotation axis of the fixed wheels (12) is horizontal; the two fixed wheels (12) are symmetrically distributed along the length direction of the base body (11); and the universal wheel (13) is connected to one side of the base body (11) along the width direction.

4. The speed limit sign frame according to claim 3, characterized in that: The base (1) further comprises a supporting wheel frame (15); the supporting wheel frame (15) comprises a second sliding rod (151), a second sleeve (152), a second rotating shaft (153) and a second connecting rod (154); the second sliding rod (151) is slidably connected to the base body (11); the sliding direction of the second sliding rod (151) is parallel to the width direction of the base body (11); the second sleeve (152) is connected to the outer periphery of the second sliding rod (151); the second sleeve (152) Located at the end of the second sliding rod (151) away from the seat body (11); the second rotating shaft (153) is coaxially rotatably connected to the second sleeve (152); the rotation axis of the second rotating shaft (153) is vertical; the second connecting rod (154) is threadedly connected to the second rotating shaft (153); the second connecting rod (154) is slidably embedded in the second sleeve (152); the sliding direction of the second connecting rod (154) is vertical; the universal wheel (13) is connected to the lower end of the second connecting rod (154).

5. The speed limit sign frame according to claim 3, characterized in that: The base (1) further comprises a supporting foot (14); the supporting foot (14) is slidably connected to the base body (11); the sliding direction of the supporting foot (14) is vertical; four supporting feet (14) are provided; and the four supporting feet (14) are distributed at the four corners of the base body (11).

6. The speed limit sign frame according to claim 5, characterized in that: The base (1) further comprises a supporting leg (16); the number of the supporting leg (16) is the same as the number of the supporting legs (14) and corresponds one to one; the supporting leg (16) comprises a first sliding rod (161), a first sleeve (162) and a first rotating shaft (163); the first sliding rod (161) is slidably connected to the base (1); the sliding direction of the first sliding rod (161) is horizontal; the first sleeve (162) is connected to an end of the first sliding rod (161) away from the base body (11); the first rotating shaft (163) is coaxially rotatably connected to the first sleeve (162); the rotating axis of the first rotating shaft (163) is vertical; the supporting legs (14) are threadedly connected to the first rotating shaft (163); the supporting legs (14) are slidably connected to the first sleeve (162).

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