Forklift fork frame structure with retractable front fork

By designing a forklift fork frame structure where the front fork can be retracted, the fork of the forklift is retracted to the bottom of the chassis by using the slide chute, movable block and transmission device, the fork of the forklift is solved, and the safety risks of the forklift is attributable to the forklift when it is not in use is achieved, achieving space saving and driving safety improvement.

CN222612869UActive Publication Date: 2025-03-14HEFEI SHUOYUAN CONSTR MASCH PARTS CO LTD
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Patent Information

Application Number
CN202420701855.6
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-04-08
Publication Date
2025-03-14
Estimated Expiration
2034-04-08

AI Technical Summary

Technical Problem

When the forklift is not in use, the L-shaped fork is still located in front of the forklift, which poses a safety risk.

Method used

A forklift fork frame structure for retractable front forklift is designed. Through the cooperation of the slide chute and the movable block, the fork is retracted to the bottom of the forklift chassis by using the transmission motor and gear device.

Benefits of technology

When the forklift is not in use, the fork can be effectively retracted, reducing space occupation and improving safety during driving.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model relates to the technical field of forklift parts, and discloses a forklift fork frame structure with a retractable front fork. The fork frame comprises a fork frame base, a base connecting block is arranged on one side of the fork frame base, a bearing plate is welded to the surface of one side of the lower end of the fork frame base, a sliding groove is formed in the lower end of the bearing plate, movable blocks are slidably connected to the interiors of the two ends of the sliding groove, front fork sliding grooves are formed in the movable blocks, and front forks are slidably connected to the interiors of the front fork sliding grooves; front fork sliding rails are arranged on the two sides of the front fork, a plurality of tooth blocks are welded in the front fork sliding rails, a transmission motor is installed in the movable block, a second transmission gear is arranged at the lower end of the transmission motor, a first transmission gear corresponding to the tooth blocks is rotationally connected to one side of the second transmission gear, and one side of the first transmission gear is rotationally connected between the tooth blocks. By means of the design, when the forklift is not used, the front fork can be retracted to the bottom of the forklift chassis, occupied space is reduced, and driving safety is improved.
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Description

Technical Field

[0001] The present application belongs to the technical field of forklift parts, and specifically relates to a forklift fork frame structure with a retractable front fork. Background Art

[0002] A forklift, also known as a forklift or forklift, is an industrial equipment used for cargo handling and stacking. It is usually composed of a chassis, a cab, a lifting mechanism, and a fork arm. The forklift lifts the fork arm or fork head of the cargo to take or place the cargo from the ground or shelf, and adjusts the position of the cargo by moving the chassis forward and backward.

[0003] The forklift's front fork, also known as the fork or fork arm, is one of the key components on the forklift for handling and supporting cargo. It is usually made of reinforced steel and has sufficient strength and durability to withstand cargo of various weights and sizes. The length and spacing of the front fork can be adjusted according to different handling needs to accommodate cargo of different sizes and shapes. Under the control of the forklift operator, the front fork can move up and down and can rotate horizontally to accurately insert under the cargo or support the bottom of the cargo to complete the tasks of handling, stacking, loading and unloading of cargo.

[0004] However, when the forklift is not in use, the L-shaped front fork is still located in front of the forklift, which will bring certain safety risks. Utility Model Content

[0005] The purpose of the present application is to provide a forklift fork frame structure with a retractable front fork in order to solve the problem that the L-shaped front fork is still located in front of the forklift when the forklift is not in use.

[0006] The technical solution adopted in the present application is as follows: a fork frame structure of a forklift with a retractable front fork, comprising a fork frame base, a base connecting block is arranged on one side of the fork frame base, a bearing plate is welded to the surface of one side of the lower end of the fork frame base, a sliding groove is opened inside the lower end of the bearing plate, movable blocks are slidably connected inside the two ends of the sliding groove, a front fork sliding groove is opened inside the movable block, and the front fork is slidably connected inside the front fork sliding groove.

[0007] By adopting the above technical solution and the above design, when the forklift is not in use, the front fork can be retracted to the bottom of the forklift chassis, thereby reducing space occupation and improving driving safety.

[0008] In a preferred embodiment, front fork slide rails are provided on both sides of the front fork, a plurality of tooth blocks are welded inside the front fork slide rails, a transmission motor is installed inside the movable block, a transmission gear 2 is provided at the lower end of the transmission motor, one side of the transmission gear 2 is rotatably connected to a transmission gear 1 corresponding to the tooth block, and one side of the transmission gear 1 is rotatably connected between the tooth blocks.

[0009] By adopting the above technical solution, the transmission motor drives the transmission gear 2 to rotate, so that the transmission gear 1 pushes the front fork to slide inside the movable block, which makes it easy to retract the front fork, improves convenience, saves manpower, and reduces space occupancy.

[0010] In a preferred embodiment, a movable block connecting slider is welded to the upper end of the movable block, and the movable block connecting slider is slidably connected to the inside of the slide groove.

[0011] By adopting the above technical solution, the movable block is connected to the slider to slide in the slide groove, thereby adjusting the distance between the front forks, making it easier to use and improving convenience.

[0012] In a preferred embodiment, a plurality of fixing through holes are opened on the upper surface of the supporting plate, and fixing screw holes corresponding to the fixing through holes are opened on the upper surface of the movable block connecting the sliding block, and the fixing screw holes and the corresponding internal threads of the fixing through holes are connected with fixing bolts.

[0013] By adopting the above technical solution, the movable block can be limited and fixed by fixing bolts, thereby improving stability.

[0014] In a preferred embodiment, an anti-slip gasket is sleeved between the fixing bolt and the bearing plate on the outer surface of the fixing bolt.

[0015] By adopting the above technical solution, the friction between the fixing bolt and the bearing plate is increased, the stability of the fixing bolt to the movable block is improved, and the stability of the device is improved.

[0016] In a preferred embodiment, the transmission gear 1 is made of cemented carbide.

[0017] By adopting the above technical solution, it has extremely high hardness and compressive strength, can withstand a large load without being easily deformed or broken, and its service life is extended.

[0018] In summary, due to the adoption of the above technical solution, the beneficial effects of this application are:

[0019] When the forklift is not in use, the distance between the front forks is adjusted to a suitable position, and the front forks are retracted to the bottom of the forklift chassis through the transmission device, which reduces space occupation and improves driving safety. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] Figure 1 It is a schematic diagram of the overall structure of the fork frame structure in this application;

[0021] Figure 2 It is a side structural schematic diagram of the fork frame structure in this application;

[0022] Figure 3 It is a schematic diagram of the internal structure of the gear device in this application;

[0023] Figure 4 It is a schematic diagram of the planar structure of the movable block device in this application.

[0024] Markings in the figure: 1. fork frame base; 2. front fork; 3. front fork slide rail; 4. tooth block; 5. movable block; 6. base connecting block; 7. fixing bolt; 8. load-bearing plate; 9. fixing through hole; 10. transmission gear 1; 11. transmission gear 2; 12. transmission motor; 13. movable block connecting slider; 14. front fork slide groove; 15. slide groove; 16. fixing screw hole. DETAILED DESCRIPTION

[0025] In order to make the purpose, technical scheme and advantages of the embodiments of the present application clearer, the technical scheme in the embodiments of the present application will be clearly and completely described below in combination with the embodiments of the present application. Obviously, the described embodiments are part of the embodiments of the present application, not all of the embodiments. Based on the embodiments in the present application, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of this application.

[0026] Reference Figure 1-4 A forklift fork frame structure with a retractable front fork comprises a fork frame base 1, a base connecting block 6 is arranged on one side of the fork frame base 1, a bearing plate 8 is welded on the surface of one side of the lower end of the fork frame base 1, a slide groove 15 is provided inside the lower end of the bearing plate 8, movable blocks 5 are slidably connected inside the two ends of the slide groove 15, a front fork slide groove 14 is provided inside the movable block 5, and a front fork 2 is slidably connected inside the front fork slide groove 14. Through the above design, when the forklift is not in use, the front fork 2 can be retracted to the bottom of the forklift chassis, which reduces space occupancy and improves driving safety.

[0027] Reference Figure 3 Front fork rails 3 are provided on both sides of the front fork 2, and a plurality of tooth blocks 4 are welded inside the front fork rails 3. A transmission motor 12 is installed inside the movable block 5, and a transmission gear 2 11 is provided at the lower end of the transmission motor 12. One side of the transmission gear 2 11 is rotatably connected with a transmission gear 10 corresponding to the tooth block 4, and one side of the transmission gear 10 is rotatably connected between the tooth blocks 4. The transmission motor 12 drives the transmission gear 2 11 to rotate, so that the transmission gear 10 pushes the front fork 2 to slide inside the movable block 5, which is convenient for retracting the front fork 2, improving convenience, saving manpower, and reducing space occupancy.

[0028] Reference Figure 4A movable block connecting slider 13 is welded to the upper end of the movable block 5, and the movable block connecting slider 13 is slidably connected to the inside of the slide groove 15. The movable block connecting slider 13 slides in the slide groove 15 to adjust the distance between the front forks 2, which is convenient for use and improves convenience.

[0029] Reference Figure 2 and Figure 4 A plurality of fixing through holes 9 are provided on the upper surface of the carrying plate 8, and fixing screw holes 16 corresponding to the fixing through holes 9 are provided on the upper surface of the movable block connecting slider 13. The fixing screw holes 16 and the corresponding fixing through holes 9 are internally threadedly connected with fixing bolts 7, and the movable block 5 can be limited and fixed by the fixing bolts 7, thereby improving stability.

[0030] Reference Figure 4 An anti-slip gasket is sleeved between the fixing bolt 7 and the bearing plate 8 on the outer surface of the fixing bolt 7 to increase the friction between the fixing bolt 7 and the bearing plate 8, improve the stability of the fixing bolt 7 to the movable block 5, and thus improve the stability of the device.

[0031] Reference Figure 3 The material of the transmission gear 10 is cemented carbide, which has extremely high hardness and compressive strength, can withstand large loads without being easily deformed or broken, and prolongs its service life.

[0032] The implementation principle of the embodiment of the forklift fork frame structure with retractable front fork in the present application is:

[0033] When the forklift is not in use, the movable block 5 is pushed to move at the lower end of the bearing plate 8 to adjust the spacing between the front forks 2, and the movable block 5 is fixed by the fixing bolt 7. Further, the transmission motor 12 is started to drive the transmission gear 2 11 to rotate, so that the transmission gear 1 10 drives the front fork 2 to move, and the front fork 2 is retracted to the bottom of the forklift chassis.

[0034] The above embodiments are only used to illustrate the technical solutions of the present application, rather than to limit them. Although the present application has been described in detail with reference to the aforementioned embodiments, those skilled in the art should understand that they can still modify the technical solutions described in the aforementioned embodiments, or make equivalent replacements for some of the technical features therein. However, these modifications or replacements do not deviate the essence of the corresponding technical solutions from the spirit and scope of the technical solutions of the embodiments of the present application.

Claims

1. A forklift fork frame structure with a retractable front fork, comprising a fork frame base (1), characterized in that: A base connection block (6) is provided on one side of the fork frame base (1), a bearing plate (8) is welded to a surface of one side of the lower end of the fork frame base (1), a slide groove (15) is provided inside the lower end of the bearing plate (8), movable blocks (5) are slidably connected inside the two ends of the slide groove (15), a front fork slide groove (14) is provided inside the movable block (5), and a front fork (2) is slidably connected inside the front fork slide groove (14).

2. A forklift fork frame structure with a retractable front fork as claimed in claim 1, characterized in that: Front fork slide rails (3) are provided on both sides of the front fork (2), a plurality of tooth blocks (4) are welded inside the front fork slide rails (3), a transmission motor (12) is installed inside the movable block (5), a transmission gear 2 (11) is provided at the lower end of the transmission motor (12), one side of the transmission gear 2 (11) is rotatably connected to a transmission gear 1 (10) corresponding to the tooth block (4), and one side of the transmission gear 1 (10) is rotatably connected between the tooth blocks (4).

3. A forklift fork frame structure with a retractable front fork as claimed in claim 1, characterized in that: A movable block connecting slider (13) is welded to the upper end of the movable block (5), and the movable block connecting slider (13) is slidably connected inside the slide groove (15).

4. A forklift fork frame structure with a retractable front fork as claimed in claim 3, characterized in that: The upper surface of the bearing plate (8) is provided with a plurality of fixing through holes (9), the upper surface of the movable block connecting the sliding block (13) is provided with fixing screw holes (16) corresponding to the fixing through holes (9), and the fixing screw holes (16) are connected to the internal threads of the corresponding fixing through holes (9) by fixing bolts (7).

5. A forklift fork frame structure with a retractable front fork as claimed in claim 4, characterized in that: An anti-slip gasket is sleeved between the fixing bolt (7) and the bearing plate (8) on the outer surface of the fixing bolt (7).

6. A forklift fork frame structure with a retractable front fork as claimed in claim 2, characterized in that: The material of the transmission gear 1 (10) is hard alloy.