Electric forklift with adjustable steering device

Abstract

The utility model relates to the technical field of electric forklifts, in particular to an electric forklift with an adjustable steering device, which comprises a forklift body, a forklift frame, a steering mechanism, a pressing mechanism and an adjusting mechanism, the forklift frame is fixedly mounted on one side of the forklift body, the steering mechanism is fixedly mounted on the forklift body, and the pressing mechanism is fixedly mounted on the forklift body. The steering mechanism is used for controlling the forklift body to steer, the pressing mechanism is fixedly installed at the top end of the forklift frame and used for pressing and fixing objects placed on the forklift frame, and the adjusting mechanism is fixedly installed on the forklift frame and used for adjusting the height position of the forklift frame. The steering mechanism comprises a shell, a rotating rod and a transmission rod used for controlling steering of the forklift body. According to the electric forklift with the adjustable steering device, the height position of the steering wheel can be adjusted through the adjusting mechanism and the limiting mechanism, so that the comfort degree of a driver during steering of the steering wheel is improved, and the using effect of the electric forklift is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of electric forklifts, in particular to an electric forklift provided with an adjustable steering device. Background Art

[0002] An electric forklift is a forklift that uses electricity to operate. Most of them are powered by batteries. Due to their environmental friendliness and low noise, they are widely used in indoor warehouses. Whether it is a food warehouse, an electronic component warehouse, or a clothing warehouse, electric forklifts can efficiently complete tasks such as loading, unloading, handling, and stacking of goods.

[0003] Existing electric forklift steering systems include mechanical steering and electric power steering. The electric power steering system uses sensors to sense the steering intention of the steering wheel and provides steering assistance by the motor, making the forklift steering easier. Moreover, this steering system can automatically adjust the power assistance according to the vehicle speed and steering angle, improving the forklift's maneuverability and safety.

[0004] Considering that the steering device of the existing electric forklift is in use, the driver needs to operate the steering wheel to control the electric forklift to rotate to the desired direction. At the same time, considering that different drivers have different heights, weights and sizes, drivers of different body shapes have different comfort levels when operating the steering wheel. Good comfort can make the driver more flexible and smooth when operating the electric forklift. However, the existing electric forklift is not convenient for adjusting the height of the steering wheel, which reduces the use effect and comfort of the electric forklift. Utility Model Content

[0005] The purpose of the utility model is to provide an electric forklift with an adjustable steering device.

[0006] To achieve this purpose, the present invention adopts the following technical solutions:

[0007] Provided is an electric forklift with an adjustable steering device, comprising a forklift body, a forklift frame, a steering mechanism, a clamping mechanism and an adjusting mechanism, wherein the forklift frame is fixedly mounted on one side of the forklift body, the steering mechanism is fixedly mounted on the forklift body, the steering mechanism is used to control the forklift body to steer, the clamping mechanism is fixedly mounted on the top of the forklift frame, the clamping mechanism is used to clamp and fix items placed on the forklift frame, the adjusting mechanism is fixedly mounted on the forklift frame, the adjusting mechanism is used to adjust the height position of the forklift frame, the steering mechanism comprises a housing, a rotating rod and a control mechanism. The transmission rod for controlling the steering of the forklift body, the shell is fixedly installed on the forklift body, the rotating rod is rotatably installed on the inner side of the shell, the transmission rod is rotatably installed on the inner side of the shell, the inner side of the rotating rod is slidingly connected to the transmission rod, the adjustment mechanism includes a telescopic rod, a collar and a limit mechanism, one end of the telescopic rod is hinged to one side of the collar, the middle part of the telescopic rod is rotatably connected to the inner side of the shell, a slot is provided at the bottom end of the rotating rod, the collar is rotatably installed on the inner side of the slot, the limit mechanism is fixedly installed on the inner side of the shell, and the limit mechanism is used to limit the rotating rod.

[0008] Furthermore, the limiting mechanism includes a semicircular ring, a movable rod, a connecting rod, a rotating shaft and a cylindrical rod. The semicircular ring can be slidably installed on the cylindrical rod. One end of the movable rod is rotatably connected to one side of the semicircular ring, and the other end of the movable rod is rotatably connected to one end of the connecting rod. One end of the rotating shaft is fixedly installed on the connecting rod. The rotating shaft passes through the inner side of the shell. A limiting groove is provided on the outer wall of the rotating rod. The semicircular ring is clamped with the inner side of the limiting groove, and the cylindrical rod is fixedly installed on the inner side of the shell.

[0009] Furthermore, the limiting mechanism also includes a circular plate, a spiral spring and a cylinder. The circular plate is fixedly mounted on the rotating shaft, the cylinder is fixedly mounted on the inner side of the shell, one end of the spiral spring is fixedly connected to the inner side of the shell, and the other end of the spiral spring is fixedly mounted on one side of the circular plate. The circular plate is rotatably connected to the inner side of the cylinder, and the inner side of the cylinder passes through the rotating shaft.

[0010] Furthermore, the clamping mechanism includes a pressure rod, a hinged rod, a connecting column, a hinge block and an electric telescopic rod. One end of the pressure rod is hinged to the top end of one side of the forklift frame, the connecting column is fixedly installed on one side of the pressure rod, one end of the hinged rod is rotatably connected to the connecting column, the other end of the hinged rod is hinged to the hinge block, the hinge block is slidably installed on the forklift frame, the electric telescopic rod is fixedly installed on the forklift frame, and the output end of the electric telescopic rod is fixedly connected to the bottom of the hinge block.

[0011] Furthermore, the adjustment mechanism also includes a fixed rod, a guide rod and a handle. The fixed rod is fixedly installed on the other side of the ring, the guide rod passes through the fixed rod and is fixedly installed on the inner side of the shell, and the handle is fixedly installed on the other end of the telescopic rod.

[0012] Furthermore, the steering mechanism also includes a steering wheel, which is fixedly mounted on the top end of the rotating rod.

[0013] The beneficial effects of the present utility model are as follows: the electric forklift provided with an adjustable steering device can adjust the height positions of the rotating rod and the steering wheel through the adjustment mechanism and the limit mechanism, thereby improving the comfort of the driver when operating the steering wheel, thereby improving the use effect of the electric forklift. In addition, the provided clamping mechanism can clamp and fix the goods carried on the forklift frame, avoiding the risk of goods tipping over when the forklift transports too much or too high goods at one time, thereby further improving the use effect and safety performance of the electric forklift. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the following briefly introduces the drawings required for use in the embodiments of the present invention.

[0015] Figure 1 It is a schematic diagram of the three-dimensional structure of the utility model;

[0016] Figure 2 This is a schematic diagram of the main structure of the shell of the present utility model;

[0017] Figure 3 This is a schematic diagram of the cross-sectional structure of the shell of the present utility model;

[0018] Figure 4 This is a schematic diagram of the split structure of the rotating rod and the transmission rod of the present utility model;

[0019] Figure 5 This is a schematic diagram of the main structure of the adjustment mechanism of the utility model;

[0020] Figure 6 This is a schematic diagram of the main structure of the limiting mechanism of the utility model;

[0021] Figure 7 For the utility model Figure 3 A schematic diagram of the enlarged structure of part A;

[0022] Figure 8 This is a schematic diagram of the main structure of the clamping mechanism of the present utility model.

[0023] In the figure: 1. forklift body; 2. forklift frame; 3. steering mechanism; 31. housing; 32. steering wheel; 33. rotating rod; 34. transmission rod; 4. clamping mechanism; 41. pressure rod; 42. hinged rod; 43. connecting column; 44. hinge block; 45. electric telescopic rod; 5. adjustment mechanism; 51. telescopic rod; 52. collar; 53. fixing rod; 54. guide rod; 55. handle; 56. slot; 57. limiting mechanism; 571. semicircular ring; 572. movable rod; 573. connecting rod; 574. rotating shaft; 575. circular plate; 576. volute spring; 577. cylinder; 578. limiting slot; 579. cylindrical rod. DETAILED DESCRIPTION

[0024] The technical solution of the present utility model will be further described below with reference to the accompanying drawings and specific implementation methods.

[0025] Among them, the drawings are only used for illustrative purposes and represent only schematic diagrams rather than actual pictures, and should not be understood as limiting this patent; in order to better illustrate the embodiments of the utility model, some parts of the drawings may be omitted, enlarged or reduced, and do not represent the size of the actual product; for those skilled in the art, it is understandable that some well-known structures and their descriptions in the drawings may be omitted.

[0026] Reference Figure 1 and Figure 2 , an electric forklift with an adjustable steering device shown in FIG, includes a forklift body 1, a forklift frame 2, a steering mechanism 3, a clamping mechanism 4 and an adjusting mechanism 5, the forklift frame 2 is fixedly mounted on one side of the forklift body 1, the forklift frame 2 is used to carry goods, thereby facilitating the forklift body 1 to transport goods, the steering mechanism 3 is fixedly mounted on the forklift body 1, the steering mechanism 3 is used to control the forklift body 1 to turn, the clamping mechanism 4 is fixedly mounted on the top of the forklift frame 2, the clamping mechanism 4 is used to clamp and fix items placed on the forklift frame 2, and the clamping mechanism 4 can be used to clamp and fix the goods to prevent the goods from tipping over, thereby improving the safety of the electric forklift, the adjusting mechanism 5 is fixedly mounted on the forklift frame 2, the adjusting mechanism 5 is used to adjust the height position of the forklift frame 2, and the adjusting mechanism 5 is used to facilitate the adjustment of the height position of the steering wheel 32, thereby improving the comfort of the driver when operating the steering wheel 32.

[0027] Reference Figures 2 to 4The steering mechanism 3 includes a shell 31, a rotating rod 33 and a transmission rod 34 for controlling the steering of the forklift body 1. The shell 31 is fixedly mounted on the forklift body 1, and the rotating rod 33 is rotatably mounted on the inner side of the shell 31. The rotation effect of the rotating rod 33 can drive the transmission rod 34 to rotate. The transmission rod 34 is rotatably mounted on the inner side of the shell 31. The rotation effect of the transmission rod 34 can control the steering of the forklift body 1. The inner side of the rotating rod 33 is slidingly connected with the transmission rod 34. A guide block is provided on the inner side of the rotating rod 33, and a guide groove is provided on the transmission rod 34. The guide block is slidably connected to the guide groove, so that the rotating rod 33 can be slidably connected with the transmission rod 34.

[0028] Reference Figure 3 and Figure 5 The adjusting mechanism 5 includes a telescopic rod 51, a collar 52 and a limiting mechanism 57. One end of the telescopic rod 51 is hinged to one side of the collar 52, and the middle part of the telescopic rod 51 is rotatably connected to the inner side of the shell 31. The rotation effect of the telescopic rod 51 can drive the collar 52 to move vertically, thereby driving the rotating rod 33 to move vertically to adjust the height position of the steering wheel 32. A slot 56 is provided at the bottom end of the rotating rod 33, which limits the collar 52 through the slot 56 and prevents the collar 52 from affecting the rotation effect of the rotating rod 33. The collar 52 can be rotatably installed on the inner side of the slot 56, and the limiting mechanism 57 is fixedly installed on the inner side of the shell 31. The limiting mechanism 57 is used to limit the rotating rod 33, so that the steering wheel 32 and the rotating rod 33 are maintained at a fixed height.

[0029] Reference Figure 6 and Figure 7The limiting mechanism 57 includes a semicircular ring 571, a movable rod 572, a connecting rod 573, a rotating shaft 574 and a cylindrical rod 579. The semicircular ring 571 is slidably installed on the cylindrical rod 579. There are two semicircular rings 571 symmetrically distributed. Through the sliding effect of the two semicircular rings 571, the clamping effect can be achieved with the limiting groove 578. One end of the movable rod 572 is rotatably connected to one side of the semicircular ring 571, and the other end of the movable rod 572 is rotatably connected to one end of the connecting rod 573. The movable rod 572 is provided with a, respectively located on the two semicircular rings 571. Through the moving effect of the movable rod 572, the semicircular ring 571 can be driven to move. One end of the rotating shaft 574 is fixedly installed on the connecting rod 573. When a person rotates the rotating shaft 574, the connecting rod 573 can be driven to rotate. The rotation effect of the connecting rod 573 can simultaneously drive the two movable rods 572 to move. The rotating shaft 574 passes through the inner side of the shell 31. The outer wall of the rotating rod 33 is provided with a limiting groove 578. There are multiple limiting grooves 578. The semi-circular ring 571 is clamped with the limiting grooves 578 at different positions, so that the rotating rod 33 can be limited at different heights. The semi-circular ring 571 is clamped with the inner side of the limiting groove 578. The clamping effect of the semi-circular ring 571 and the limiting groove 578 can limit the rotating rod 33. The cylindrical rod 579 is fixedly installed on the inner side of the shell 31, and the cylindrical rod 579 guides the semi-circular ring 571.

[0030] Reference Figure 6 and Figure 7 The limiting mechanism 57 also includes a circular plate 575, a spiral spring 576 and a cylinder 577. The circular plate 575 is fixedly mounted on the rotating shaft 574, and the cylinder 577 is fixedly mounted on the inner side of the shell 31. One end of the spiral spring 576 is fixedly connected to the inner side of the shell 31, and the other end of the spiral spring 576 is fixedly mounted on one side of the circular plate 575. Through the elastic force of the spiral spring 576, the circular plate 575 always drives the rotating shaft 574 to rotate at a certain angle without being affected by external force, so that the semi-circular ring 571 always remains engaged with the limiting groove 578, and the circular plate 575 is rotatably connected to the inner side of the cylinder 577. Through the rotation effect of the circular plate 575, the rotating shaft 574 can be driven to rotate, and the inner side of the cylinder 577 passes through the rotating shaft 574.

[0031] Reference Figure 1 and Figure 8The pressing mechanism 4 includes a pressing rod 41, a hinge rod 42, a connecting column 43, a hinge block 44 and an electric telescopic rod 45. One end of the pressing rod 41 is hinged to the top of one side of the forklift frame 2, and the pressing mechanism 4 is symmetrically distributed with two pressing rods 41. The two pressing rods 41 contact the top of the cargo on the forklift frame 2, so that the cargo can be pressed. The connecting column 43 is fixedly installed on one side of the pressing rod 41, and one end of the hinge rod 42 is rotatably connected to the connecting column 43. The other end of the hinge rod 42 is hinged to the hinge block 44. Through the movement effect of the hinge rod 42, the connecting column 43 can drive the pressing rod 41 to rotate around the hinge point, and the hinge block 44 is slidably installed on the forklift frame 2. Through the movement effect of the hinge block 44, the hinge rod 42 can be driven to move. The electric telescopic rod 45 is fixedly installed on the forklift frame 2, and the output end of the electric telescopic rod 45 is fixedly connected to the bottom of the hinge block 44. By starting the electric telescopic rod 45, the hinge block 44 can be driven to move.

[0032] Reference Figure 2 and Figure 3 The adjusting mechanism 5 also includes a fixing rod 53, a guide rod 54 and a handle 55. The fixing rod 53 is fixedly mounted on the other side of the collar 52. The guide rod 54 passes through the fixing rod 53 and is fixedly mounted on the inner side of the housing 31. The sliding effect of the guide rod 54 and the fixing rod 53 can guide the collar 52 to prevent the collar 52 from offsetting when moving. The handle 55 is fixedly mounted on the other end of the telescopic rod 51. The handle 55 is provided to facilitate the driver to move the telescopic rod 51, thereby driving the telescopic rod 51 to rotate. The steering mechanism 3 also includes a steering wheel 32, which is fixedly mounted on the top end of the rotating rod 33. By adjusting the height position of the rotating rod 33, the height position of the steering wheel 32 can be adjusted to improve the comfort of the driver.

[0033] The electric forklift provided with an adjustable steering device can adjust the height positions of the turning rod and the steering wheel through the adjustment mechanism and the limit mechanism, thereby improving the comfort of the driver when operating the steering wheel, thereby improving the use effect of the electric forklift. In addition, the provided clamping mechanism can clamp and fix the cargo carried on the forklift frame, avoiding the risk of cargo tipping over when the forklift transports too much or too high cargo at one time, thereby further improving the use effect and safety performance of the electric forklift.

[0034] It should be noted that the above-described specific embodiments are merely preferred embodiments of the present invention and the technical principles employed. Those skilled in the art will appreciate that various modifications, equivalent substitutions, and variations may be made to the present invention. However, as long as these modifications do not depart from the spirit of the present invention, they are within the scope of protection of the present invention. Furthermore, certain terms used in the specification and claims of this application are not intended to be limiting but are provided for ease of description only.

Claims

1. An electric forklift equipped with an adjustable steering device, characterized in that: The forklift comprises a forklift body (1), a forklift frame (2), a steering mechanism (3), a pressing mechanism (4) and an adjusting mechanism (5), wherein the forklift frame (2) is fixedly mounted on one side of the forklift body (1), the steering mechanism (3) is fixedly mounted on the forklift body (1), and the steering mechanism (3) is used to control the forklift body (1) to turn, the pressing mechanism (4) is fixedly mounted on the top of the forklift frame (2), and the pressing mechanism (4) is used to press and fix items placed on the forklift frame (2), the adjusting mechanism (5) is fixedly mounted on the forklift frame (2), and the adjusting mechanism (5) is used to adjust the height position of the forklift frame (2), the steering mechanism (3) comprises a housing (31), a rotating rod (33) and a transmission rod (34) for controlling the steering of the forklift body (1), the housing (31) is fixedly mounted on the forklift frame (2), and the steering mechanism (3) comprises a housing (31), a rotating rod (33) and a transmission rod (34) for controlling the steering of the forklift body (1), and the housing (31) is fixedly mounted on the forklift frame (2). The forklift body (1) is fixedly mounted, the rotating rod (33) is rotatably mounted on the inner side of the shell (31), the transmission rod (34) is rotatably mounted on the inner side of the shell (31), the inner side of the rotating rod (33) is slidably connected to the transmission rod (34), the adjustment mechanism (5) includes a telescopic rod (51), a collar (52) and a limiting mechanism (57), one end of the telescopic rod (51) is hinged to one side of the collar (52), the middle part of the telescopic rod (51) is rotatably connected to the inner side of the shell (31), the bottom end of the rotating rod (33) is provided with a card slot (56), the collar (52) is rotatably mounted on the inner side of the card slot (56), the limiting mechanism (57) is fixedly mounted on the inner side of the shell (31), and the limiting mechanism (57) is used to limit the rotating rod (33).

2. The electric forklift with an adjustable steering device according to claim 1, characterized in that: The limiting mechanism (57) includes a semicircular ring (571), a movable rod (572), a connecting rod (573), a rotating shaft (574) and a cylindrical rod (579). The semicircular ring (571) is slidably mounted on the cylindrical rod (579). One end of the movable rod (572) is rotatably connected to one side of the semicircular ring (571). The other end of the movable rod (572) is rotatably connected to one end of the connecting rod (573). One end of the rotating shaft (574) is fixedly mounted on the connecting rod (573). The rotating shaft (574) passes through the inner side of the housing (31). A limiting groove (578) is provided on the outer wall of the rotating rod (33). The semicircular ring (571) is engaged with the inner side of the limiting groove (578). The cylindrical rod (579) is fixedly mounted on the inner side of the housing (31).

3. The electric forklift with an adjustable steering device according to claim 2, characterized in that: The limiting mechanism (57) further includes a circular plate (575), a scroll spring (576), and a cylinder (577). The circular plate (575) is fixedly mounted on the rotating shaft (574), and the cylinder (577) is fixedly mounted on the inner side of the housing (31). One end of the scroll spring (576) is fixedly connected to the inner side of the housing (31), and the other end of the scroll spring (576) is fixedly mounted on one side of the circular plate (575). The circular plate (575) is rotatably connected to the inner side of the cylinder (577), and the inner side of the cylinder (577) penetrates the rotating shaft (574).

4. The electric forklift with an adjustable steering device according to claim 1, characterized in that: The clamping mechanism (4) includes a pressure rod (41), a hinge rod (42), a connecting column (43), a hinge block (44) and an electric telescopic rod (45). One end of the pressure rod (41) is hinged to the top end of one side of the forklift frame (2). The connecting column (43) is fixedly installed on one side of the pressure rod (41). One end of the hinge rod (42) is rotatably connected to the connecting column (43). The other end of the hinge rod (42) is hinged to the hinge block (44). The hinge block (44) is slidably installed on the forklift frame (2). The electric telescopic rod (45) is fixedly installed on the forklift frame (2). The output end of the electric telescopic rod (45) is fixedly connected to the bottom of the hinge block (44).

5. The electric forklift with an adjustable steering device according to claim 1, characterized in that: The adjustment mechanism (5) further comprises a fixed rod (53), a guide rod (54) and a handle (55), wherein the fixed rod (53) is fixedly mounted on the other side of the collar (52), the guide rod (54) passes through the fixed rod (53) and is fixedly mounted on the inner side of the housing (31), and the handle (55) is fixedly mounted on the other end of the telescopic rod (51).

6. The electric forklift with an adjustable steering device according to claim 1, characterized in that: The steering mechanism (3) further comprises a steering wheel (32), which is fixedly mounted on the top end of the rotating rod (33).

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