Novel forklift hard pipe joint

By using a circular pin and a diamond pin in the forklift hard pipe joint and combining the positioning structure with the locking knob and the spring hook, the deviation problem of forklift hydraulic equipment pipes is solved, high-precision butt and good sealing are achieved, and equipment life is extended.

CN223063389UActive Publication Date: 2025-07-04HANGZHOU FUYANG GAOYANG MACHINERY PARTS CO LTD
View PDF 0 Cites 0 Cited by

Patent Information

Application Number
CN202422250208.0
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-09-13
Publication Date
2025-07-04
Estimated Expiration
2034-09-13

AI Technical Summary

Technical Problem

When lifting forklifts, the pipe docking of hydraulic equipment is prone to deviation due to vibration, which affects the sealing performance.

Method used

A new type of forklift hard pipe joint is designed, adopting a combined positioning structure of round pins and diamond pins, and the combination of locking knobs and spring hooks ensures docking accuracy and sealing.

Benefits of technology

Improve the accuracy of pipe docking, prevent offset, ensure sealing, and extend the service life of hydraulic equipment.

✦ Generated by Eureka AI based on patent content.

Smart Images

  • Figure CN223063389U_ABST
    Figure CN223063389U_ABST
Patent Text Reader

Abstract

The utility model provides a novel forklift hard pipe joint, which relates to the technical field of pipeline joints, and comprises a bottom plate, a fixed pipe is fixed at the top of the bottom plate, the bottom of the fixed pipe extends to the lower part of the bottom plate, a butt-joint plate is arranged above the bottom plate, a butt-joint pipe penetrating to the bottom is arranged at the top of the butt-joint plate, and the butt-joint pipe is connected with the bottom of the butt-joint plate. The butt-joint pipe is arranged on the butt-joint plate, the fixing pipe is fixed on the bottom plate, the butt-joint pipe is arranged on the butt-joint plate, a rubber ring is fixed on the outer surface of the butt-joint pipe, and a round pin is fixed at the position, close to the edge of one side, of the top of the bottom plate. Meanwhile, the rhombic pins are in butt joint with the rhombic holes, so that the butt joint plate is in butt joint with the bottom plate, the butt joint pipe can be accurately in butt joint with the fixed pipe at the moment, the round pins and the positioning holes play a main positioning role during butt joint, the rhombic pins and the rhombic holes play an auxiliary positioning role during butt joint, the overall butt joint precision is higher, and deviation is prevented during butt joint.
Need to check novelty before this filing date? Find Prior Art

Description

Technical Field

[0001] The utility model relates to the technical field of pipe joints, in particular to a new type of forklift hard pipe joint. Background Art

[0002] A forklift refers to various wheeled handling vehicles for loading, unloading, stacking, short-distance transportation, and heavy object handling of palletized goods. It is widely used in various national economic sectors such as stations, ports, airports, factories, and warehouses, and is an efficient device for mechanized loading, unloading, stacking, and short-distance transportation.

[0003] Currently, when a forklift is lifting heavy objects, it needs to use hydraulic equipment to lift the heavy objects. However, due to the large vibration of the forklift during operation, most of the hydraulic oil that provides power for the hydraulic equipment is transported through pipes. The pipe joints are mostly rigid joints, and it is easy to generate deviations during docking, damaging the docking part, thereby affecting its sealing performance. Summary of the Utility Model

[0004] The utility model provides a new type of forklift hard pipe joint to solve the problems of the prior art. The basic concept of the technical solution adopted by the utility model to solve the above technical problems is:

[0005] A new type of forklift hard pipe joint includes a bottom plate. A fixed pipe is fixed on the top of the bottom plate, and the bottom of the fixed pipe extends below the bottom plate. A docking plate is arranged above the bottom plate. A docking pipe penetrating through to the bottom is arranged on the top of the docking plate. A rubber ring is fixed on the outer surface of the docking pipe. A round pin is fixed on the top of the bottom plate near one side edge, and a diamond pin is fixed on the top of the bottom plate near the other side edge.

[0006] Optionally, notches are opened at the four corners on the top of the docking plate. A positioning hole is opened on the top of the docking plate near one side, and a diamond hole is opened on the top of the docking plate near the other side edge.

[0007] Optionally, the round pin is engaged inside the positioning hole, the diamond pin is engaged inside the diamond hole, and through holes are opened on the top of the bottom plate and the top of the docking plate near both side edges.

[0008] Optionally, a sealing ring is fixed on the bottom of the docking plate, a sealing groove is opened on the top of the bottom plate, and the sealing ring is engaged inside the sealing groove.

[0009] Optionally, a plurality of side ports are equidistantly opened on the outer surface of the fixed pipe in the circumferential direction, and spring hooks are arranged on the inner top surfaces of the plurality of side ports.

[0010] Optionally, one side of each of the plurality of spring hooks is inclined, and the hook ends of the plurality of spring hooks extend into the fixed pipe through the side ports.

[0011] Optionally, the outer surface of the fixed pipe is threadedly connected with a locking knob, and the bottom side wall of the locking knob is beveled and fits with one side bevel of the spring catch.

[0012] After adopting the above technical solution, the present utility model has the following beneficial effects compared with the prior art. Of course, any product implementing the present utility model does not necessarily need to achieve all the advantages described below:

[0013] 1. In the present utility model, when using the device, the docking pipe is arranged on the docking plate, and the fixed pipe is fixed on the bottom plate. Thus, when docking the docking pipe and the fixed pipe, first, the round pin is docked with the positioning hole, and at the same time, the diamond pin is docked with the diamond hole, so that the docking plate and the bottom plate are docked and fitted. At this time, the docking pipe can be accurately docked with the fixed pipe. When docking, the round pin and the positioning hole play the main positioning role, and the diamond pin and the diamond hole play the auxiliary positioning role, making the overall docking accuracy higher and preventing deviation during docking.

[0014] 2. In the present utility model, after docking the docking pipe and the fixed pipe, rotate the locking knob so that the bevel on the bottom of the locking knob fits with the bevel on one side of the spring catch. As the locking knob moves downward, the hook end of the spring catch can be pushed into the fixed pipe. When the hook end of the spring catch contacts the rubber ring on the outer surface of the docking pipe, the docking pipe can be locked inside the fixed pipe. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] The following drawings in the description are only some embodiments. For those of ordinary skill in the art, other drawings can be obtained based on these drawings without creative efforts. In the

[0016] FIGURES:

[0017] Figure 1 is a top perspective structural schematic diagram of a novel forklift hard pipe joint proposed by the present utility model;

[0018] Figure 2 is a bottom perspective structural schematic diagram of a novel forklift hard pipe joint proposed by the present utility model;

[0019] Figure 3 is a sectional perspective structural schematic diagram of a novel forklift hard pipe joint proposed by the present utility model.

[0020] In the drawings, the list of components represented by each reference numeral is as follows:

[0021] 1. Base plate; 2. Round pin; 3. Diamond pin; 4. Notch; 5. Through hole; 6. Docking plate; 7. Docking pipe; 8. Rubber ring; 9. Sealing groove; 10. Fixed pipe; 11. Locking knob; 12. Sealing ring; 13. Side port; 14. Spring catch; 15. Positioning hole; 16. Diamond hole.

[0022] It should be noted that these drawings and text descriptions are not intended to limit the scope of the concept of the present utility model in any way, but to illustrate the concept of the present utility model to those skilled in the art by referring to specific embodiments. Specific embodiments

[0023] Now, the present utility model will be further described in detail with reference to the accompanying drawings.

[0024] Embodiment 1, as Figures 1-3 shown, the present utility model provides a technical solution for a new type of forklift hard pipe joint: including a base plate 1, a fixed pipe 10 is fixed on the top of the base plate 1, the bottom of the fixed pipe 10 extends below the base plate 1, a docking plate 6 is arranged above the base plate 1, a docking pipe 7 penetrating through to the bottom is arranged on the top of the docking plate 6, a rubber ring 8 is fixed on the outer surface of the docking pipe 7, a round pin 2 is fixed on the top of the base plate 1 near one side edge, and a diamond pin 3 is fixed on the top of the base plate 1 near the other side edge.

[0025] The effect achieved by the entire Embodiment 1 is that when using this device, the docking pipe 7 is arranged on the docking plate 6, and the fixed pipe 10 is fixed on the base plate 1. Thus, when the docking pipe 7 and the fixed pipe 10 are docked with each other, first, the round pin 2 is docked with the positioning hole 15, and at the same time, the diamond pin 3 is docked with the diamond hole 16, so that the docking plate 6 and the base plate 1 are docked and fitted. At this time, the docking pipe 7 can be accurately docked with the fixed pipe 10. When docking, the round pin 2 and the positioning hole 15 play a main positioning role, and the diamond pin 3 and the diamond hole 16 play an auxiliary positioning role, making the overall docking accuracy higher and preventing deviation during docking.

[0026] Embodiment 2, as Figures 1-3As shown in the figure, notches 4 are provided at the four corners of the top of the docking plate 6. A positioning hole 15 is provided near one side of the top of the docking plate 6, and a diamond hole 16 is provided near the other side edge of the top of the docking plate 6. The round pin 2 is engaged inside the positioning hole 15, and the diamond pin 3 is engaged inside the diamond hole 16. Through holes 5 are provided at the top of the bottom plate 1 and near the two side edges of the top of the docking plate 6. A sealing ring 12 is fixed to the bottom of the docking plate 6, and a sealing groove 9 is provided at the top of the bottom plate 1. The sealing ring 12 is engaged inside the sealing groove 9. A plurality of side ports 13 are equidistantly provided on the outer surface of the fixed pipe 10 in the circumferential direction. Spring hooks 14 are provided on the inner top surfaces of the plurality of side ports 13. One side of each of the plurality of spring hooks 14 is beveled. The hook ends of the plurality of spring hooks 14 extend into the fixed pipe 10 through the side ports 13. A locking knob 11 is threadedly connected to the outer surface of the fixed pipe 10. The bottom side wall of the locking knob 11 is beveled and fits against the beveled side of the spring hook 14.

[0027] The effect achieved by the entire Embodiment 2 is that after docking the docking pipe 7 with the fixed pipe 10, rotate the locking knob 11 so that the bevel at the bottom of the locking knob 11 fits against the bevel on one side of the spring hook 14. As the locking knob 11 moves downward, the hook end of the spring hook 14 can be pushed into the fixed pipe 10. When the hook end of the spring hook 14 comes into contact with the rubber ring 8 on the outer surface of the docking pipe 7, the docking pipe 7 can be locked inside the fixed pipe 10.

[0028] Working principle: When using this device, place the docking pipe 7 on the docking plate 6 and fix the fixed pipe 10 on the bottom plate 1. When docking the docking pipe 7 with the fixed pipe 10, first dock the round pin 2 with the positioning hole 15, and at the same time dock the diamond pin 3 with the diamond hole 16, so that the docking plate 6 and the bottom plate 1 are docked and fitted. At this time, the docking pipe 7 can be accurately docked with the fixed pipe 10. When docking, the round pin 2 and the positioning hole 15 play a main positioning role, and the diamond pin 3 and the diamond hole 16 play an auxiliary positioning role, making the overall docking accuracy higher and preventing deviation during docking. After docking the docking pipe 7 with the fixed pipe 10, rotate the locking knob 11 so that the bevel at the bottom of the locking knob 11 fits against the bevel on one side of the spring hook 14. As the locking knob 11 moves downward, the hook end of the spring hook 14 can be pushed into the fixed pipe 10. When the hook end of the spring hook 14 comes into contact with the rubber ring 8 on the outer surface of the docking pipe 7, the docking pipe 7 can be locked inside the fixed pipe 10.

[0029] The present utility model is not limited to the above embodiments. Anyone should know that structural changes made under the inspiration of the present utility model, as long as they have the same or similar technical solutions as the present utility model, fall within the protection scope of the present utility model. The technologies, shapes, and structures not described in detail in the present utility model are all well-known technologies.

Claims

1. A new type of forklift hard pipe joint, including a bottom plate (1), characterized in that: A fixed pipe (10) is fixed to the top of the bottom plate (1). The bottom of the fixed pipe (10) extends below the bottom plate (1). A docking plate (6) is arranged above the bottom plate (1). A docking pipe (7) penetrating through to the bottom is arranged at the top of the docking plate (6). A rubber ring (8) is fixed to the outer surface of the docking pipe (7). A round pin (2) is fixed to the top of the bottom plate (1) near one side edge, and a diamond pin (3) is fixed to the top of the bottom plate (1) near the other side edge.

2. The novel forklift hard pipe joint according to claim 1, wherein: Notches (4) are formed at the four corners of the top of the docking plate (6). A positioning hole (15) is formed at the top of the docking plate (6) near one side. A diamond hole (16) is formed at the top of the docking plate (6) near the other side edge.

3. The novel forklift hard pipe joint according to claim 2, wherein: The round pin (2) is engaged inside the positioning hole (15), and the diamond pin (3) is engaged inside the diamond hole (16). Through holes (5) are formed at the top of the bottom plate (1) and the top of the docking plate (6) near both side edges.

4. A novel forklift hard pipe joint according to claim 1, characterized in that: A sealing ring (12) is fixed to the bottom of the docking plate (6). A sealing groove (9) is formed at the top of the bottom plate (1). The sealing ring (12) is engaged inside the sealing groove (9).

5. The novel forklift hard pipe joint according to claim 4, characterized in that: A plurality of side ports (13) are equidistantly formed on the outer surface of the fixed pipe (10) along the circumferential direction. Spring hooks (14) are arranged on the inner top surfaces of the plurality of side ports (13).

6. The novel forklift hard pipe joint according to claim 5, wherein: One side of each of the plurality of spring hooks (14) is beveled. The hook ends of the plurality of spring hooks (14) extend into the fixed pipe (10) through the side ports (13).

7. The novel forklift hard pipe joint according to claim 6, characterized in that: A locking knob (11) is threadedly connected to the outer surface of the fixed pipe (10). The bottom side wall of the locking knob (11) is beveled and is in mutual fit with the beveled side of the spring hook (14).