Lifting device of child forklift

Abstract

The utility model discloses a lifting device of a child forklift, which comprises a forklift body connecting frame, a driving mechanism, a lifting block, a middle gear and a fork shovel frame, the driving mechanism is mounted in the forklift body connecting frame, can drive the lifting block to move up and down, the driving mechanism is a screw rod driving mechanism, the middle gear is fixedly connected with the lifting block, and the fork shovel frame is fixedly connected with the lifting block. The fork shovel frame is fixed to the side, away from the lifting block, of the middle stopper. The fork and shovel frame is lifted in a lead screw driving mode, the structure is simple, falling of the fork and shovel frame is avoided, and safety is good.

Description

Technical Field

[0001] This utility model relates to the field of children's vehicle technology, and more specifically, to a lifting device for a children's forklift. Background Technology

[0002] With the improvement of living standards, electric children's vehicles have become widely popular in families with young children. Moreover, there are more and more types of electric children's vehicles, such as electric children's trucks, bulldozers, and forklifts. Currently, the lifting mechanism of electric children's forklifts uses a chain-type lifting mechanism. This method is prone to slippage when shoveling heavy objects, and it also requires the installation of a self-locking mechanism to prevent the fork frame from falling. Therefore, this type of lifting mechanism has certain safety hazards, and its structure is relatively complex and has high manufacturing costs, so there is an urgent need to improve it. Utility Model Content

[0003] The purpose of this utility model is to overcome the shortcomings of the prior art and provide a lifting device for a children's forklift. It uses a screw drive to lift the fork and shovel frame, which has a simple structure, avoids the fork and shovel frame from falling, and has good safety.

[0004] To achieve the above objectives, the present invention adopts the following technical solution:

[0005] This utility model discloses a lifting device for a children's forklift, including a vehicle body connecting frame, a drive mechanism, a lifting block, a middle stop, and a fork frame. The drive mechanism is installed inside the vehicle body connecting frame and can drive the lifting block to move up and down. The drive mechanism is a screw drive mechanism. The middle stop is fixedly connected to the lifting block, and the fork frame is fixed to the side of the middle stop away from the lifting block.

[0006] Furthermore, the drive mechanism includes a motor, a vertically arranged lead screw and a guide rod. The guide rod is located on both sides of the lead screw, and both ends of the guide rod are fixed to the upper and lower sides of the vehicle body connecting frame. The motor is connected to the lead screw and can drive the lead screw to rotate. Both the lead screw and the guide rod pass through the lifting block, and the lifting block is threadedly connected to the lead screw.

[0007] Furthermore, the lead screw and lifting block are located in the middle section, the guide rod passes through the upper and lower ends of the middle section, the middle section includes a front shell and a rear cover connected to the front shell, the front shell includes a guide hole corresponding to the guide rod, the guide rod passes through the corresponding guide hole, and the rear cover includes a clearance groove. When the middle section is at its lowest position, the motor part is inserted into the clearance groove.

[0008] Furthermore, the motor is fixedly connected to the vehicle body frame via a connecting piece.

[0009] Furthermore, the forklift includes a front stop, which is fixedly connected to a middle stop, and a front fork is fixed to the side of the front stop away from the middle stop.

[0010] Furthermore, the front windshield is provided with a mounting groove, and a reinforcing frame is fixed in the mounting groove.

[0011] Furthermore, a first proximity switch is installed on the upper part of the vehicle body connecting frame, a second proximity switch is installed on the upper part of the motor, the middle gear can move up and down, the upper part of the middle gear can abut or disengage from the first proximity switch, and the lower part of the middle gear can abut or disengage from the second proximity switch.

[0012] The beneficial effects of this utility model are:

[0013] When the forklift needs to be raised or lowered, the motor drives the lead screw to rotate, causing the lifting block to move up and down, thereby raising or lowering the forklift. Since children's forklifts are only for children's entertainment and do not require heavy loads, the lead screw-driven lifting method can fully meet the needs of electric children's forklifts. Furthermore, the lead screw-driven method has a simple structure, which helps to reduce the production cost of forklifts and can effectively prevent the forklift from falling, ensuring good safety. Attached Figure Description

[0014] Figure 1 This is a structural schematic diagram of this embodiment from a first-view perspective;

[0015] Figure 2 This is a structural schematic diagram of this embodiment from a second perspective;

[0016] Figure 3 This is an exploded view of this embodiment;

[0017] Figure 4 This is a cross-sectional view of this embodiment;

[0018] Figure 5 for Figure 4 A partial schematic diagram.

[0019] Reference numerals: 1. Vehicle body connecting frame; 2. Drive mechanism; 21. Lead screw; 22. Guide rod; 23. Motor; 3. Lifting block; 31. Connecting sleeve; 4. Middle block; 41. Front shell; 42. Rear cover; 43. Guide hole; 44. Clearance groove; 45. Boss; 5. Front block; 51. Mounting groove; 52. Front fork; 6. Reinforcing frame; 7. First proximity switch; 8. Second proximity switch; 9. Connecting piece. Detailed Implementation

[0020] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0021] like Figures 1 to 5 As shown, a lifting device for a children's forklift includes a vehicle body connecting frame 1, a drive mechanism 2, a lifting block 3, a center stop 4, and a fork frame. The drive mechanism 2 is installed inside the vehicle body connecting frame 1 and can drive the lifting block 3 to move up and down. The drive mechanism 2 is a lead screw 21 drive mechanism 2. The center stop 4 is fixedly connected to the lifting block 3, and the fork frame is fixed to the side of the center stop 4 away from the lifting block 3. Specifically, the drive mechanism 2 includes a motor 23, a vertically arranged lead screw 21, and a guide rod 22. The guide rod 22 is located on both sides of the lead screw 21, and both ends of the guide rod 22 are fixed to the upper and lower sides of the vehicle body connecting frame 1. The motor 23 is connected to the lead screw 21 and can drive the lead screw 21 to rotate. The lead screw 21 and the guide rod 22 both pass through the lifting block 3. The lifting block 3 is threadedly connected to the lead screw 21. A connecting sleeve 31 is fixed inside the lifting block 3 and is threadedly connected to the lead screw 21.

[0022] When the forklift needs to be raised or lowered, the motor 23 drives the lead screw 21 to rotate, and the lifting block 3 moves up and down, thereby raising and lowering the forklift. Since children's forklifts are only for children's entertainment and do not require heavy loads, the lead screw-driven lifting method can fully meet the needs of electric children's forklifts. Furthermore, the lead screw-driven method has a simple structure, which helps to reduce the production cost of forklifts and can also effectively prevent the forklift from falling, ensuring good safety.

[0023] The motor 23 is fixedly connected to the vehicle body connecting frame 1 by a connecting piece 9. The connecting piece 9 is a metal part, which can firmly fix the motor 23 to the vehicle body connecting frame 1.

[0024] The lead screw 21 and the lifting block 3 are located inside the middle stop 4. The guide rod 22 passes through the upper and lower ends of the middle stop 4. The middle stop 4 includes a front shell 41 and a rear cover 42 connected to the front shell 41. The front shell 41 includes a guide hole 43 corresponding to the guide rod 22. The guide rod 22 passes through the corresponding guide hole 43. The rear cover 42 includes a clearance groove 44. When the middle stop 4 is at its lowest position, the motor 23 is partially inserted into the clearance groove 44, and the upper end of the lead screw 2 does not contact the middle stop 4. By setting the middle stop 4, the lead screw 21 and the lifting block 3 can be protected. The front of the front shell 41 is provided with a boss 45, which is inserted into the front stop 5 for fixation.

[0025] The forklift frame includes a front guard 5, which is fixedly connected to a middle guard 4. A front fork 52 is fixed to the side of the front guard 5 away from the middle guard 4. The front fork 52 is L-shaped and is used to fork and scoop items. By setting the front guard 5, a protective function can be provided.

[0026] The front windshield 5 has an internal mounting groove 51, and a reinforcing frame 6 is fixed inside the mounting groove 51. The reinforcing frame 6 is made of metal and is fixed to the front windshield 5 with screws. By setting the reinforcing frame 6, the structural strength of the front windshield 5 can be effectively improved.

[0027] A first proximity switch 7 is installed on the upper part of the vehicle body connecting frame 1, and a second proximity switch 8 is installed on the upper part of the motor 23. The middle stop 4 can move up and down. The upper part of the middle stop 4 can abut or disengage from the first proximity switch 7, and the lower part of the middle stop 4 can abut or disengage from the second proximity switch 8. The first proximity switch 7 and the second proximity switch 8 are both existing technologies. By setting the first proximity switch 7 and the second proximity switch 8, the lifting and lowering of the middle stop 4 can be limited, making the lifting and lowering more reliable.

[0028] The above description is merely a preferred embodiment of this utility model. The protection scope of this utility model is not limited to the above embodiments. All technical solutions falling within the scope of this utility model's concept are protected. It should be noted that for those skilled in the art, any improvements and modifications made without departing from the principle of this utility model should also be considered within the protection scope of this utility model.

Claims

1. A lifting device for a children's forklift, characterized in that, The device includes a vehicle body connecting frame (1), a drive mechanism (2), a lifting block (3), a middle block (4), and a fork frame. The drive mechanism (2) is installed on the vehicle body connecting frame (1) and can drive the lifting block (3) to move up and down. The drive mechanism (2) is a screw drive mechanism. The middle block (4) is fixedly connected to the lifting block (3), and the fork frame is fixed to the side of the middle block (4) away from the lifting block (3).

2. The lifting device for a child forklift according to claim 1, characterized in that, The drive mechanism (2) includes a motor (23), a vertically arranged lead screw (21) and a guide rod (22). The guide rod (22) is located on both sides of the lead screw (21). The two ends of the guide rod (22) are fixed to the upper and lower sides of the vehicle body connecting frame (1). The motor (23) is connected to the lead screw (21) and can drive the lead screw (21) to rotate. The lead screw (21) and the guide rod (22) both pass through the lifting block (3). The lifting block (3) is threadedly connected to the lead screw (21).

3. The lifting device for a child forklift according to claim 2, characterized in that, The lead screw (21) and the lifting block (3) are located in the middle block (4). The guide rod (22) passes through the upper and lower ends of the middle block (4). The middle block (4) includes a front shell (41) and a rear cover (42) connected to the front shell (41). The front shell (41) includes a guide hole (43) corresponding to the guide rod (22). The guide rod (22) passes through the corresponding guide hole (43). The rear cover (42) includes a clearance groove (44). When the middle block (4) is at its lowest position, the motor (23) is partially inserted into the clearance groove (44).

4. The lifting device for a children's forklift according to claim 2, characterized in that, The motor (23) is fixedly connected to the vehicle body connecting frame (1) by a connecting piece (9).

5. The lifting device for a child forklift according to claim 1, characterized in that, The fork frame includes a front stop (5), which is fixedly connected to the middle stop (4), and a front fork (52) is fixed to the side of the front stop (5) away from the middle stop (4).

6. The lifting device for a child forklift according to claim 5, characterized in that, The front windshield (5) has an installation groove (51) inside, and a reinforcing frame (6) is fixed inside the installation groove (51).

7. The lifting device for a child forklift according to claim 2, characterized in that, The upper part of the vehicle body connecting frame (1) is equipped with a first proximity switch (7), the upper part of the motor (23) is equipped with a second proximity switch (8), the middle stop (4) can move up and down, the upper part of the middle stop (4) can abut or disengage from the first proximity switch (7), and the lower part of the middle stop (4) can abut or disengage from the second proximity switch (8).

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