Automatic limiting safety device for automobile tailboard

Abstract

The utility model discloses an automatic limiting safety device for an automobile tailboard, which comprises a supporting plate, mounting plates are fixedly connected to the bottoms of the left side and the right side of the supporting plate, mounting holes are formed in the mounting plates, and mounting frames are fixedly connected to the left side and the right side of the top of the supporting plate. Through mutual cooperation of the supporting plate, the mounting plate, the mounting frame, the first electric push rod, the lifting plate, the vertical plate, the tail plate, a second electric push rod, a fixing shaft, a limiting safety mechanism, a movable groove, a servo motor, a first stud, a second stud, a threaded plate and a clamping plate, when goods are placed on the tail plate to be lifted, the goods can be limited, and the goods are prevented from falling off. And therefore, the goods can be prevented from sliding off from the tail plate, and accidents can be effectively prevented.

Description

Technical Field

[0001] The utility model relates to the technical field of automobile tailgates, in particular to an automatic position limiting safety device for an automobile tailgate. Background Art

[0002] A car tail lift is also called a car lifting tail lift, a car loading and unloading tail lift, a lifting tail lift, a hydraulic car tail lift, and a truck tail lift. It is a hydraulic lifting and loading equipment powered by a vehicle-mounted battery and installed at the rear of a truck or various vehicles. The car tail lift can be classified into: cantilever tail lift, vertical tail lift, rocker arm tail lift, and folding tail lift.

[0003] At present, as shown in the patent application number CN202123108289.3, the utility model discloses an automatically lifting automobile tailgate structure, including a mounting box and a lifting mechanism; a mounting box: columns are symmetrically arranged at the front and rear ends of the left end of its upper surface, and the upper ends of the two columns are slidably connected with mounting frames, and the rotating holes arranged at the lower ends of the two mounting frames are rotatably connected to the rotating shaft at the right end of the tailgate; a lifting mechanism: arranged inside the mounting box, the upper ends of the lifting mechanism are threadedly connected to the threaded holes corresponding to the rear ends of the two mounting frames, and baffles are arranged at the openings at the front and rear ends of the mounting box, and the front and rear ends of the lifting mechanism are rotatably connected to the middle through holes of the baffles on the same side.

[0004] However, in actual use, the above patented automobile tailboard has the following defects: when the goods are placed on the tailboard for lifting, the goods cannot be limited, which may easily cause the goods to slide off the tailboard, and then easily cause accidents. For this reason, we propose an automatic limit safety device for the automobile tailboard. Utility Model Content

[0005] The utility model aims to provide an automatic limit safety device for a car tailgate to solve the problems raised in the above-mentioned background technology.

[0006] In order to achieve the above-mentioned purpose, the utility model provides the following technical solutions: an automatic limit safety device for a car tailgate, comprising:

[0007] Support plate;

[0008] A mounting plate, wherein the bottoms of the left and right sides of the support plate are fixedly connected with mounting plates, and the mounting plates are provided with mounting holes;

[0009] A mounting frame, wherein the left and right sides of the top of the support plate are fixedly connected with a mounting frame;

[0010] A first electric push rod, the top of the mounting frame is fixedly connected to the first electric push rod, the telescopic end of the first electric push rod passes through the mounting frame and extends to the inside of the mounting frame and is fixedly connected to a lifting plate, the front side of the lifting plate passes through the mounting frame and extends to the outside of the mounting frame;

[0011] A vertical plate, the bottom front side of the lifting plate is fixedly connected with the vertical plate;

[0012] The tail plate, the bottoms between the two vertical plates are fixedly connected by a connecting shaft, and the surface of the connecting shaft is rotatably connected with the tail plate;

[0013] A second electric push rod, wherein the two sides of the vertical plates close to each other are rotatably connected to the second electric push rod through a pin shaft, the telescopic end of the second electric push rod is rotatably connected to a fixed shaft, one side of the fixed shaft is fixedly connected to a connecting plate, and the bottom of the connecting plate is fixedly connected to the top of the tail plate;

[0014] A position limiting safety mechanism is provided on the top of the tail plate.

[0015] Furthermore, the position limiting safety mechanism comprises a movable groove, a servo motor, a first stud, a second stud, a threaded plate and a clamping plate, and a movable groove is provided on the top of the tail plate.

[0016] Furthermore, a servo motor is fixedly connected to the left side of the inner wall of the movable groove, a first stud is fixedly connected to the output end of the servo motor, and a second stud is fixedly connected to the right end of the first stud.

[0017] Furthermore, the thread directions of the first stud and the second stud are opposite, and the surfaces of the first stud and the second stud are both threadedly connected with threaded plates.

[0018] Furthermore, the top of the threaded plate passes through the movable groove and extends to the outside of the movable groove, and the bottom of the threaded plate is in movable contact with the bottom of the inner wall of the movable groove.

[0019] Furthermore, both the front and rear sides of the threaded plate are in movable contact with the inner wall of the movable groove.

[0020] Furthermore, a clamping plate is fixedly connected to the top of the threaded plate.

[0021] Compared with the prior art, the beneficial effects of the utility model are as follows:

[0022] The utility model cooperates with each other through a support plate, a mounting plate, a mounting frame, a first electric push rod, a lifting plate, a vertical plate, a tail plate, a second electric push rod, a fixed shaft, a limit safety mechanism, a movable groove, a servo motor, a first stud, a second stud, a threaded plate and a clamping plate. When goods are placed on the tail plate for lifting, the goods can be limited in position, thereby preventing the goods from sliding off the tail plate, thereby effectively preventing the occurrence of accidents. BRIEF DESCRIPTION OF THE DRAWINGS

[0023] Figure 1 This is a front view structural schematic diagram of the utility model;

[0024] Figure 2 It is a side view structural schematic diagram of the utility model;

[0025] Figure 3 It is a schematic diagram of the top view structure of the utility model;

[0026] Figure 4 It is a rear view structural schematic diagram of the utility model.

[0027] In the figure: 1. support plate; 2. mounting plate; 3. mounting frame; 4. first electric push rod; 5. lifting plate; 6. vertical plate; 7. tail plate; 8. second electric push rod; 9. fixed shaft; 10. limit safety mechanism; 101. movable groove; 102. servo motor; 103. first stud; 104. second stud; 105. threaded plate; 106. clamping plate. DETAILED DESCRIPTION

[0028] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0029] In the description of the present utility model, it should be understood that the terms "center", "longitudinal", "lateral", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside" and the like indicate positions or positional relationships based on the positions or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present utility model and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation on the present utility model. In addition, the terms "first" and "second" are used for descriptive purposes only, and cannot be understood as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Therefore, the features defined as "first" and "second" may explicitly or implicitly include one or more of the features. In the description of the present utility model, unless otherwise specified, "multiple" means two or more.

[0030] In the description of the present invention, it should be noted that, unless otherwise clearly specified and limited, the terms "installation", "connection" and "connection" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection, or it can be indirectly connected through an intermediate medium, or it can be the internal communication of two components. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0031] See also Figure 1-4 , an automatic limit safety device for a car tailgate, comprising a support plate 1, the bottoms of the left and right sides of the support plate 1 are fixedly connected with mounting plates 2, the mounting plates 2 are provided with mounting holes, the left and right sides of the top of the support plate 1 are fixedly connected with mounting frames 3, the top of the mounting frames 3 is fixedly connected with a first electric push rod 4, the telescopic end of the first electric push rod 4 penetrates the mounting frame 3 and extends to the inside of the mounting frame 3 and is fixedly connected with a lifting plate 5, the front side of the lifting plate 5 penetrates the mounting frame 3 and extends to the outside of the mounting frame 3, the front side of the bottom of the lifting plate 5 is fixedly connected with a vertical plate 6, the bottom between the two vertical plates 6 is fixedly connected by a connecting shaft, the surface of the connecting shaft is rotatably connected with a tailgate 7, the sides of the two vertical plates 6 close to each other are rotatably connected with a second electric push rod 8 through a pin shaft, the telescopic end of the second electric push rod 8 is rotatably connected with a fixed shaft 9, one side of the fixed shaft 9 is fixedly connected with a connecting plate, the bottom of the connecting plate is fixedly connected to the top of the tailgate 7, and a limited position safety mechanism 10 is provided on the top of the tailgate 7.

[0032] Specifically, the position limiting safety mechanism 10 includes a movable groove 101 , a servo motor 102 , a first stud 103 , a second stud 104 , a threaded plate 105 and a clamping plate 106 , and the movable groove 101 is formed on the top of the tail plate 7 .

[0033] In specific implementation, a servo motor 102 is fixedly connected to the left side of the inner wall of the movable slot 101 , a first stud 103 is fixedly connected to the output end of the servo motor 102 , and a second stud 104 is fixedly connected to the right end of the first stud 103 .

[0034] Specifically, the thread directions of the first stud 103 and the second stud 104 are opposite, and the surfaces of the first stud 103 and the second stud 104 are both threadedly connected with the threaded plate 105 .

[0035] In a specific implementation, the top of the threaded plate 105 passes through the movable groove 101 and extends to the outside of the movable groove 101 , and the bottom of the threaded plate 105 is in active contact with the bottom of the inner wall of the movable groove 101 .

[0036] Specifically, both the front and rear sides of the threaded plate 105 are in active contact with the inner wall of the active groove 101.

[0037] In a specific implementation, a clamping plate 106 is fixedly connected to the top of the threaded plate 105 .

[0038] In actual application: when the goods are placed on the tail board 7, the servo motor 102 is started, and the servo motor 102 drives the first stud 103 and the second stud 104 to rotate forward, and then under the action of the thread, the two threaded plates 105 move toward the side close to each other, and then the goods are clamped by the two clamping plates 106, and then the lifting plate 5, the vertical plate 6 and the tail board 7 can be driven by the first electric push rod 4 to move upward or downward. Through the above steps, the goods on the tail board 7 can be effectively limited during lifting, so as to prevent the goods from sliding off the tail board 7, which greatly improves the safety of use.

[0039] All components in the present invention are universal standard parts or components known to those skilled in the art, and their structures and principles can be known to those skilled in the art through technical manuals or conventional experimental methods. At the same time, standard parts used in the present application documents can be purchased from the market, and each component in the present application document can be customized according to the description in the specification and drawings. The specific connection method of each component adopts conventional means such as mature bolts, rivets, welding, etc. in the prior art, and machinery, parts and equipment adopt conventional models in the prior art.

[0040] Through the personnel in this field, all the electrical components in this case are connected to their corresponding power supplies through wires, and appropriate controllers and encoders should be selected according to actual conditions to meet the control requirements. The specific connection and control sequence should refer to the working principle, and the electrical connection between the electrical components should be completed in the order of working in sequence. The detailed connection means are well-known technologies in this field. The utility model mainly introduces the working principle and process, and no longer explains the electrical control.

[0041] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. An automatic limit safety device for a car tailgate, characterized in that: include: Support plate (1); A mounting plate (2), the bottoms of the left and right sides of the support plate (1) are fixedly connected with mounting plates (2), and mounting holes are provided on the mounting plates (2); A mounting frame (3), the left and right sides of the top of the support plate (1) are fixedly connected to the mounting frame (3); A first electric push rod (4), the top of the mounting frame (3) being fixedly connected to the first electric push rod (4), the telescopic end of the first electric push rod (4) passing through the mounting frame (3) and extending to the inside of the mounting frame (3) and being fixedly connected to a lifting plate (5), the front side of the lifting plate (5) passing through the mounting frame (3) and extending to the outside of the mounting frame (3); A vertical plate (6), the vertical plate (6) being fixedly connected to the front side of the bottom of the lifting plate (5); A tail plate (7), wherein the bottoms of the two vertical plates (6) are fixedly connected via a connecting shaft, and the surface of the connecting shaft is rotatably connected to the tail plate (7); A second electric push rod (8), one side of the two vertical plates (6) close to each other is rotatably connected to the second electric push rod (8) through a pin shaft, the telescopic end of the second electric push rod (8) is rotatably connected to a fixed shaft (9), one side of the fixed shaft (9) is fixedly connected to a connecting plate, and the bottom of the connecting plate is fixedly connected to the top of the tail plate (7); A position limiting safety mechanism (10), a position limiting safety mechanism (10) is arranged on the top of the tail plate (7).

2. The automatic limit safety device for the tailgate of an automobile according to claim 1, characterized in that: The position limiting safety mechanism (10) comprises a movable groove (101), a servo motor (102), a first stud (103), a second stud (104), a threaded plate (105) and a clamping plate (106); the top of the tail plate (7) is provided with a movable groove (101).

3. The automatic limit safety device for the tailgate of an automobile according to claim 2, characterized in that: A servo motor (102) is fixedly connected to the left side of the inner wall of the movable groove (101), a first stud (103) is fixedly connected to the output end of the servo motor (102), and a second stud (104) is fixedly connected to the right end of the first stud (103).

4. The automatic limit safety device for the tailgate of an automobile according to claim 3 is characterized in that: The thread directions of the first stud (103) and the second stud (104) are opposite, and the surfaces of the first stud (103) and the second stud (104) are both threadedly connected with a threaded plate (105).

5. The automatic limit safety device for the tailgate of an automobile according to claim 4, characterized in that: The top of the threaded plate (105) passes through the movable groove (101) and extends to the outside of the movable groove (101), and the bottom of the threaded plate (105) is in movable contact with the bottom of the inner wall of the movable groove (101).

6. The automatic limit safety device for the tailgate of an automobile according to claim 5, characterized in that: Both the front and rear sides of the threaded plate (105) are in active contact with the inner wall of the active groove (101).

7. The automatic limit safety device for the tailgate of an automobile according to claim 6, characterized in that: A clamping plate (106) is fixedly connected to the top of the threaded plate (105).

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