Truck rear guardrail convenient to install

Abstract

The utility model relates to the technical field of truck guardrails, and discloses a truck rear guardrail convenient to install, which comprises a guardrail, a fixed seat is fixedly installed on the back of the guardrail, a hand wheel rod is arranged on the top of the fixed seat, and the bottom of the hand wheel rod penetrates through the top of the fixed seat and is fixedly connected with a first bevel gear; a hand wheel rod is rotated to drive a first bevel gear to rotate on the inner side of a fixed seat, so that two threaded rods synchronously rotate under the meshing action of the first bevel gear and a second bevel gear, the distance between two sliding blocks in a sliding groove is conveniently adjusted, the two sliding blocks move to drive a connecting rod to move, and the connecting rod is driven to move. The connecting rod drives the long arm to move, so that the distance between the two movable plates is adjusted to be suitable for connection of positioning holes in different positions, the applicability of the device is enhanced, the angle of the movable plates can be rotationally adjusted at one end of the long arm, and the device is more flexible and convenient to use during installation operation.

Description

Technical Field

[0001] The present application relates to the field of truck guardrail technology, and in particular to a truck rear guardrail that is easy to install. Background Art

[0002] The chassis of a truck is higher than that of an ordinary car. When a car and a truck rear-end collide, the car will often go directly under the truck, causing serious personal injury and property damage. For this reason, the state has specially issued a national standard for truck rear guardrails, requiring all trucks leaving the factory to be equipped with rear guardrails that meet national standards. The rear guardrails of trucks produced by general automobile factories are fixedly installed at the rear of the truck.

[0003] In the prior art, truck guardrails are generally directly installed with bolts on the positioning holes opened at the rear of the truck for fixing. Since the positioning holes at the rear of different trucks may have different positions, the guardrail cannot be installed on trucks of different models and lacks applicability. Therefore, we urgently need to provide a truck rear guardrail that is easy to install. Utility Model Content

[0004] In order to solve the problem that the positioning holes at the rear of different trucks may have different positions, resulting in the guardrail being unable to be installed on trucks of different models and lacking applicability, the present application provides a truck rear guardrail that is easy to install.

[0005] The present application provides a truck rear guardrail that is easy to install and adopts the following technical solution:

[0006] A truck rear guardrail that is easy to install, comprising a guardrail, a fixing seat fixedly installed on the back of the guardrail, a handwheel rod provided on the top of the fixing seat, the bottom of the handwheel rod passes through the top of the fixing seat and is fixedly connected to a first bevel gear, sliding grooves are evenly provided on both sides of the bottom of the fixing seat, a threaded rod is rotatably connected to the inner surface of the sliding groove, one inner end of the threaded rod passes through the side of the sliding groove and is fixedly connected to a second bevel gear, and the outer surfaces of the first bevel gear and the second bevel gear are meshed and connected.

[0007] Preferably, the inner surface of the slide groove is slidably connected with a slider, the side of the slider is provided with a screw hole, and the inside of the screw hole is threadedly connected to the outer surface of the threaded rod.

[0008] Preferably, connecting seats are symmetrically fixedly installed on both sides of the upper end of the guardrail, and long arms are movably connected to the inner sides of the two connecting seats. The other ends of the long arms are rotatably connected to a movable plate, and multiple mounting holes are evenly opened on the sides of the movable plate.

[0009] Preferably, a movable block is slidably connected to the bottom of the long arm, a connecting rod is rotatably connected to the bottom of the movable block, and the other end of the connecting rod is rotatably connected to the inner side of the front surface of the sliding block.

[0010] Preferably, a ratchet is fixedly installed in the middle of the outer surface of the handwheel rod, the ratchet is arranged on the upper end of the fixing seat, a mounting seat is installed on the top of the fixing seat, and two return springs are evenly fixedly installed on the inner surface of the mounting seat.

[0011] Preferably, a locking rod is fixedly installed on the other end of the two return springs, and the other end of the locking rod passes through the side of the mounting seat and is arranged on the right side of the ratchet. A plurality of reflective warning strips are evenly fixedly installed on the upper and lower ends of the front surface of the guardrail.

[0012] In summary, this application includes the following beneficial technical effects:

[0013] 1. A handwheel rod is provided, and the first bevel gear is driven to rotate on the inner side of the fixed seat by rotating the handwheel rod, so that the two threaded rods are synchronously rotated under the meshing action of the first bevel gear and the second bevel gear, so as to facilitate the adjustment of the spacing between the two sliders in the slide groove, and the movement of the two sliders drives the connecting rod to move, so that the connecting rod drives the long arm to move, so as to adjust the spacing between the two movable plates, so as to be connected to the positioning holes at different positions, thereby enhancing the applicability of the device and the angle of the movable plate can be rotated and adjusted at one end of the long arm, so that it is more flexible and convenient to use during installation;

[0014] 2. By installing a ratchet in the middle of the handwheel rod, after adjusting the two long arms to a suitable fixed position, the rebound effect of the reset spring is used to push the positioning rod to the side of the ratchet to limit the rotation of the ratchet, thereby avoiding the rotation caused by the loosening of the handwheel rod during use, resulting in changes in the positions of the two long arms and the need for readjustment, thereby ensuring that the device can be used for a long time and is not prone to loosening. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 It is a schematic diagram of the overall appearance structure of the embodiment of the application;

[0016] Figure 2 is a schematic diagram of the back structure of the guardrail of the embodiment of the application;

[0017] Figure 3 It is an application example Figure 2 A schematic diagram of the structure enlargement in the middle;

[0018] Figure 4 It is a schematic diagram of the structure of the two ends of the long arm of the application embodiment.

[0019] Explanation of the accompanying drawings: 1. Guardrail; 2. Fixed seat; 3. Handwheel rod; 4. First bevel gear; 5. Second bevel gear; 6. Slide groove; 7. Threaded rod; 8. Connecting seat; 9. Slider; 10. Screw hole; 11. Ratchet; 12. Mounting seat; 13. Reset spring; 14. Positioning rod; 15. Long arm; 16. Movable plate; 17. Mounting hole; 18. Movable block; 19. Connecting rod; 20. Reflective warning strip. DETAILED DESCRIPTION

[0020] The following is combined with Figure 1-4 This application is described in further detail.

[0021] The present application embodiment discloses a truck rear guardrail that is easy to install, referring to Figure 1-Figure 4 , including a guardrail 1, a fixed seat 2 is fixedly installed on the back of the guardrail 1, a handwheel rod 3 is arranged on the top of the fixed seat 2, the bottom of the handwheel rod 3 passes through the top of the fixed seat 2 and is fixedly connected with the first bevel gear 4, and both sides of the bottom of the fixed seat 2 are evenly provided with slide grooves 6, and the inner surface of the slide groove 6 is rotatably connected with a threaded rod 7, and one end of the inner side of the threaded rod 7 passes through the side of the slide groove 6 and is fixedly connected with the second bevel gear 5, and the outer surfaces of the first bevel gear 4 and the second bevel gear 5 are meshed and connected, and the inner surface of the slide groove 6 is slidably connected with a slider 9, and the side of the slider 9 is provided with a screw hole 10, and the inside of the screw hole 10 is threadedly connected with the outer surface of the threaded rod 7, and the first bevel gear 4 is driven to rotate on the inner side of the fixed seat 2 by rotating the handwheel rod 3, so that the two threaded rods 7 rotate synchronously under the meshing action of the first bevel gear 4 and the second bevel gear 5, which is convenient for adjusting the two The spacing of the sliders 9 inside the slide groove 6, the connecting seats 8 are symmetrically fixed on both sides of the upper end of the guardrail 1, the inner sides of the two connecting seats 8 are movably connected with long arms 15, and the other end of the long arm 15 is rotatably connected with a movable plate 16, and a plurality of mounting holes 17 are evenly provided on the side of the movable plate 16, and the bottom of the long arm 15 is slidably connected with a movable block 18, and the bottom of the movable block 18 is rotatably connected with a connecting rod 19, and the other end of the connecting rod 19 is rotatably connected to the inner side of the positive surface of the slider 9. The movement of the two sliders 9 drives the connecting rod 19 to move, so that the connecting rod 19 drives the long arm 15 to move, thereby adjusting the spacing between the two movable plates 16 to connect with the positioning holes at different positions, thereby enhancing the applicability of the device and the angle of the movable plate 16 can be rotatably adjusted at one end of the long arm 15, so that it is more flexible and convenient to use during installation operations.

[0022] Reference Figure 1-Figure 3A ratchet 11 is fixedly installed in the middle of the outer surface of the handwheel rod 3. The ratchet 11 is arranged at the upper end of the fixing seat 2. A mounting seat 12 is arranged on the top of the fixing seat 2. Two reset springs 13 are evenly fixedly installed on the inner surface of the mounting seat 12. A positioning rod 14 is fixedly installed at the other end of the two reset springs 13. The other end of the positioning rod 14 passes through the side of the mounting seat 12 and is arranged on the right side of the ratchet 11. By installing the ratchet 11 in the middle of the handwheel rod 3, after adjusting the two long arms 15 to a suitable fixed position, the ratchet 11 can be used to adjust the two long arms 15 to a suitable fixed position. The rebound effect of the positioning spring 13 pushes the positioning rod 14 to the side of the ratchet 11, limiting the rotation of the ratchet 11, thereby avoiding the rotation caused by the loosening of the handwheel rod 3 during use, resulting in the position of the two long arms 15 changing and requiring readjustment. This ensures that the device can be used for a long time and is not prone to loosening. A plurality of reflective warning strips 20 are evenly fixedly installed on the upper and lower ends of the front surface of the guardrail 1. By installing the reflective warning strips 20, trucks can warn vehicles behind them during night driving to avoid traffic accidents.

[0023] The implementation principle of a truck rear guardrail that is easy to install in the embodiment of the present application is as follows: when using the device, first pull the positioning rod 14 to one side of the return spring 13 to release the limit on the ratchet 11, then rotate the handwheel rod 3 above the fixed seat 2 to drive the first bevel gear 4 to rotate on the inner side of the fixed seat 2, so that the two threaded rods 7 rotate synchronously under the meshing action of the first bevel gear 4 and the second bevel gear 5, so that the two sliders 9 drive the connecting rod 19 to move through the rotation of the threaded rod 7, and the spacing between the two long arms 15 is adjusted through the active cooperation of the slider 9 and the connecting rod 19. When the two long arms 15 are adjusted to a suitable position, the movable plate 16 is adjusted to a suitable angle, and then the bolt is used to pass through the mounting hole 17 to install it inside the positioning hole set at the rear of the truck. Finally, the rebound effect of the return spring 13 is used to push the positioning rod 14 to the side of the ratchet 11 to limit the rotation of the ratchet 11 and ensure the long-term stability of the device.

[0024] Finally, a few points should be explained: First, in the description of this application, it should be noted that, unless otherwise specified and limited, the terms "installed", "connected", and "connected" should be understood in a broad sense, which may refer to mechanical connection or electrical connection, or internal communication between two components, or direct connection. "upper", "lower", "left", "right", etc. are only used to indicate relative positional relationships. When the absolute position of the object being described changes, the relative positional relationship may change;

[0025] Secondly: In the drawings of the embodiments disclosed in the present utility model, only the structures related to the embodiments disclosed in the present utility model are involved, and other structures can refer to the general design. In the absence of conflict, the same embodiment and different embodiments of the present utility model can be combined with each other;

[0026] Finally: The above description is only a preferred embodiment of the present utility model and is not intended to limit the present utility model. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present utility model should be included in the protection scope of the present utility model.

[0027] 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 truck rear guardrail that is easy to install, comprising a guardrail (1), characterized in that: A fixed seat (2) is fixedly installed on the back of the guardrail (1), a handwheel rod (3) is arranged on the top of the fixed seat (2), the bottom of the handwheel rod (3) passes through the top of the fixed seat (2) and is fixedly connected to a first bevel gear (4), sliding grooves (6) are evenly provided on both sides of the bottom of the fixed seat (2), a threaded rod (7) is rotatably connected to the inner surface of the sliding groove (6), one end of the inner side of the threaded rod (7) passes through the side of the sliding groove (6) and is fixedly connected to a second bevel gear (5), and the outer surfaces of the first bevel gear (4) and the second bevel gear (5) are meshingly connected.

2. The easy-to-install truck rear guardrail according to claim 1, characterized in that: The inner surface of the slide groove (6) is slidably connected with a slider (9), and the side of the slider (9) is provided with a screw hole (10), and the inside of the screw hole (10) is threadedly connected with the outer surface of the threaded rod (7).

3. The easy-to-install truck rear guardrail according to claim 2, characterized in that: Connecting seats (8) are symmetrically fixedly installed on both sides of the upper end of the guardrail (1), and long arms (15) are movably connected to the inner sides of the two connecting seats (8). The other ends of the long arms (15) are rotatably connected to a movable plate (16), and the sides of the movable plate (16) are evenly provided with a plurality of mounting holes (17).

4. The easy-to-install truck rear guardrail according to claim 3, characterized in that: The bottom of the long arm (15) is slidably connected to a movable block (18), the bottom of the movable block (18) is rotatably connected to a connecting rod (19), and the other end of the connecting rod (19) is rotatably connected to the inner side of the front surface of the sliding block (9).

5. The easy-to-install truck rear guardrail according to claim 1, characterized in that: A ratchet (11) is fixedly mounted in the middle of the outer surface of the handwheel rod (3); the ratchet (11) is arranged at the upper end of the fixing seat (2); a mounting seat (12) is provided on the top of the fixing seat (2); two return springs (13) are evenly fixedly mounted on the inner surface of the mounting seat (12).

6. The easy-to-install truck rear guardrail according to claim 5, characterized in that: A locking rod (14) is fixedly mounted on the other end of the two return springs (13); the other end of the locking rod (14) passes through the side of the mounting seat (12) and is arranged on the right side of the ratchet (11); and a plurality of reflective warning strips (20) are evenly fixedly mounted on the upper and lower ends of the front surface of the guardrail (1).

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