Multi-way reversing valve for hydraulic system of electric loader

Abstract

The utility model relates to the field of multiple directional control valves, in particular to a multiple directional control valve for a hydraulic system of an electric loader, which comprises a directional control valve body. The debugging assembly is arranged above the reversing valve body; wherein the debugging assembly comprises a hinge seat arranged above the reversing valve body, an operating rod is arranged above the hinge seat, a pressing rod is vertically and slidably connected into the operating rod, and a pressing groove is formed in the lower end of the pressing rod; through the arrangement of the debugging assembly, when an operator debugs the operating rod, the operator only needs to press down a button, then two insertion blocks can be separated from fixing holes of a disc, the effect that the operator debugs the angle conveniently according to the use habit of the operator is achieved, the overall debugging mode is fast and simple, and convenience can be effectively provided for the operator; and by arranging the telescopic joint, the height of the operating rod can be adjusted according to own use habits when people in different postures use the operating rod.

Description

Technical Field

[0001] This utility model relates to the field of multi-way directional valves, and in particular to a multi-way directional valve for use in the hydraulic system of an electric loader. Background Technology

[0002] In electric loaders, multi-way directional valves are used to control the direction of oil flow in the hydraulic system and regulate the movement of various actuators (such as the bucket and boom). By changing the oil flow path, they achieve precise control of the hydraulic cylinders and motors to complete different operational actions. Multi-way directional valves ensure efficient operation of the hydraulic system, improve the working efficiency and operational accuracy of electric loaders, and ensure rapid response and adjustment of oil pressure when the load changes, preventing system overload.

[0003] A search revealed Chinese patent "Multi-way Directional Control Valve for Hydraulic Systems" (publication number CN222163057U). This utility model discloses a multi-way directional control valve for hydraulic systems, relating to the field of multi-way directional control valve technology. It includes a valve body with a pressure relief valve on its side and an inlet and outlet at its top. An operating rod is connected to the surface of the valve body, and an adjusting assembly is provided on the surface of the operating rod. The adjusting assembly includes a connecting pipe and an annular plate movably mounted on the surface of the operating rod. Fixed plates are connected to both sides of the annular plate, and a movable shaft is positioned between the two fixed plates. An adjusting rod is connected to the surface of the movable shaft. A label-attaching roller is provided on the surface of the adjusting rod. The connecting pipe is fixedly connected to the annular plate and to the operating rod via bolts. In this utility model, the adjusting assembly allows for adjustment of the angle and height of the adjusting rod on the operating rod according to different operator preferences, facilitating use by various personnel.

[0004] Although the operating lever of the aforementioned multi-way reversing valve is equipped with an adjustment component to facilitate personnel in adjusting the angle and height of the operating lever as needed, when performing angle adjustment, personnel need to first squeeze the two plugs inserted into the fixing holes to disengage the plugs from the fixing holes before angle adjustment can be performed. However, due to the limitation of structural space, personnel cannot continuously squeeze the plugs. During the angle torsion process, the plugs are prone to reset due to the spring force and be mistakenly inserted into the nearest fixing hole, which forces personnel to start the operation again.

[0005] Therefore, a multi-way directional valve for the hydraulic system of an electric loader is proposed to solve the above problems. Utility Model Content

[0006] The purpose of this utility model is to provide a multi-way directional valve for the hydraulic system of an electric loader in order to solve the above-mentioned problems, and to improve the problem of the cumbersome adjustment method of the operating lever of the multi-way directional valve.

[0007] This utility model achieves the above-mentioned objective through the following technical solution: a multi-way directional valve for a hydraulic system of an electric loader, comprising: a directional valve body;

[0008] A debugging component is disposed above the directional valve body;

[0009] The debugging component includes a hinge seat located above the reversing valve body, an operating rod located above the hinge seat, a pressure rod vertically slidably connected to the operating rod, and a pressure groove formed at the lower end of the pressure rod.

[0010] Preferably, the debugging component further includes a disc disposed on the surface of the hinge seat. The surface of the disc has a fixing hole. The disc and the hinge seat are on the same axis. By setting the disc and the fixing hole on its surface, it is convenient for the operator to make multi-angle adjustments to the operating lever.

[0011] Preferably, a movable opening is provided below the surface of the operating lever, and a plug is horizontally slidably connected in the movable opening. The plug is inserted into a fixed hole. By setting the plug, the angle of the operating lever can be limited.

[0012] Preferably, a steel rope is fixedly connected between the two opposite sides of the insert blocks. The steel rope is flexible and its diameter is adapted to the pressure groove. By setting the steel rope, it is convenient for personnel to adjust the position of the insert blocks by using a button in conjunction with a pressure rod.

[0013] Preferably, a limiting block is fixedly connected to the inner wall of the operating lever and to one side of the insertion block, and a spring is fixedly connected to the side of the insertion block near the limiting block. The other end of the spring is fixedly connected to the limiting block. By setting the spring, the insertion block can be reset and the angle of the operating lever can be limited after the angle of the operating lever is adjusted.

[0014] Preferably, a button is fixedly connected to the upper end of the pressure rod, a spring is fixedly connected to the lower part of the button, and the lower part of the spring is fixedly connected to the inner wall of the operating rod.

[0015] Preferably, a telescopic joint is provided below the hinge seat, and the lower part of the telescopic joint is fixedly connected to the operating end of the reversing valve body. By providing the telescopic joint, the height of the operating lever can be adjusted according to the user's own habits when using the operating lever by people of different body types.

[0016] The beneficial effects of this utility model are:

[0017] 1. By setting up the adjustment component, when the operator adjusts the control lever, they only need to press down the button, and then the two inserts can be disengaged from the fixing holes of the disc. This allows the operator to adjust the angle according to their own usage habits. The overall adjustment method is quick and easy, which can effectively provide convenience for the operator.

[0018] 2. By setting up an expansion joint, the height of the operating lever can be adjusted according to the user's own habits when using the operating lever by people of different body types. Attached Figure Description

[0019] Figure 1 This is a schematic diagram of the structure of this utility model;

[0020] Figure 2 This is a schematic diagram of the structure of the debugging component of this utility model;

[0021] Figure 3 This is a head-up view of the debugging component of this utility model;

[0022] Figure 4 This is a partial structural diagram of the debugging component of this utility model.

[0023] In the diagram: 1. Directional control valve body; 2. Expansion joint; 3. Adjustment assembly; 301. Hinge seat; 302. Operating lever; 303. Pressure rod; 304. Button; 305. Spring; 306. Insert block; 307. Spring; 308. Steel rope; 309. Disc. Detailed Implementation

[0024] 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.

[0025] In practical implementation: such as Figure 1-4 As shown, a multi-way directional valve for a hydraulic system of an electric loader includes: a directional valve body 1;

[0026] Debugging component 3 is located above the reversing valve body 1;

[0027] In electric loaders, multi-way directional valves are typically located in the control section of the hydraulic system. Specifically, they are situated in the pipeline connecting the hydraulic pump and hydraulic actuators (such as the bucket and boom). The function of the multi-way directional valve is to control the switching of hydraulic oil flow, thereby achieving precise control of each actuator and ensuring the efficient operation of the hydraulic system. During operation, the operator controls the switching of the multi-way directional valve using the operating lever 302. This operating lever 302 is usually connected to the valve core. The position and movement of the operating lever 302 directly determine the direction and pressure of the hydraulic oil flow, thereby controlling the lifting and tilting of the bucket, the movement of the boom, etc. Under different operating conditions, the operating lever 302 can help the operator precisely control the various movements of the electric loader, enabling it to complete tasks in different working environments while maintaining high efficiency and safety.

[0028] First, the operator can hold the control lever 302 and move it to change the flow of hydraulic oil to different channels, thereby controlling the action of each actuator in the hydraulic system;

[0029] like Figure 1 , Figure 2 , Figure 3 and Figure 4 As shown, the debugging assembly 3 includes a hinge seat 301 disposed above the reversing valve body 1, an operating rod 302 disposed above the hinge seat 301, a pressure rod 303 vertically slidably connected in the operating rod 302, and a pressure groove formed at the lower end of the pressure rod 303; the debugging assembly 3 also includes a disc 309 disposed on the surface of the hinge seat 301, a fixing hole formed on the surface of the disc 309, and the disc 309 and the hinge seat 301 being coaxial; a movable opening is formed below the surface of the operating rod 302, and a plug 306 is horizontally slidably connected in the movable opening, the plug 306 being inserted into the fixed hole. In the fixed hole; a steel rope 308 is fixedly connected between the opposite sides of the two insert blocks 306. The steel rope 308 is flexibly set, and the diameter of the steel rope 308 is adapted to the pressure groove; a limit block is fixedly connected to the inner wall of the operating rod 302 and to one side of the insert block 306. A spring 307 is fixedly connected to the side of the insert block 306 near the limit block, and the other end of the spring 307 is fixedly connected to the limit block; a button 304 is fixedly connected to the upper end of the pressure rod 303, and a spring piece 305 is fixedly connected to the lower part of the button 304. The lower part of the spring piece 305 is fixedly connected to the inner wall of the operating rod 302.

[0030] When the operator needs to adjust the angle of the operating lever 302 according to their own habits, they first press the button 304. At this time, the button 304 will drive the pressure rod 303 to move down. When the pressure rod 303 moves down to a certain position, the pressure groove will press the steel rope 308, causing the steel rope 308 to bend and pull the two insert blocks 306 to move relative to each other in both directions. At this time, the two insert blocks 306 will disengage from the fixing hole of the disc 309 together. Then the operator can use the hinge seat 301 to adjust the angle. After the adjustment is completed;

[0031] When the staff releases button 304, spring 307 will cause the insert block 306 to spring back and insert into the nearest fixing hole, thereby limiting the angle of the operating lever 302.

[0032] A telescopic joint 2 is provided below the hinge seat 301, and the lower part of the telescopic joint 2 is fixedly connected to the operating end of the reversing valve body 1.

[0033] Working principle: In actual use, the operator can hold and move the operating lever 302 to change the flow of hydraulic oil to different channels, thereby controlling the action of each actuator in the hydraulic system. When the operator needs to adjust the angle of the operating lever 302 according to their own habits, they first press the button 304. At this time, the button 304 will drive the pressure rod 303 to move down. When the pressure rod 303 moves down to a certain position, the pressure groove will press the steel rope 308, causing the steel rope 308 to bend and pull the two insert blocks 306 in both directions to move relative to each other. At this time, the two insert blocks 306 will disengage from the fixing hole of the disc 309 together. The operator can then use the hinge seat 301 to adjust the angle. After the adjustment is completed, the operator releases the button 304. At this time, the spring 307 will drive the insert block 306 to rebound and insert into the nearest fixing hole, achieving the effect of limiting the angle of the operating lever 302. At the same time, the operator can also pull the telescopic joint 2 to adjust the height of the operating lever 302 to suit their own needs.

[0034] Furthermore, it should be understood that although this specification describes embodiments, not every embodiment contains only one independent technical solution. This narrative style is merely for clarity. Those skilled in the art should consider the specification as a whole, and the technical solutions in each embodiment can also be appropriately combined to form other embodiments that can be understood by those skilled in the art.

Claims

1. A multiple directional valve for use in a hydraulic system of an electrically powered loader, characterized in that The utility model relates to a reversing valve, including: Reversing valve body (1); Debugging assembly (3) is arranged in the upper of reversing valve body (1); Wherein, debugging assembly (3) includes articulated seat (301) arranged in the upper of reversing valve body (1), the upper of articulated seat (301) is provided with operating lever (302), the vertical sliding connection of operating lever (302) has pressure rod (303), the lower end of pressure rod (303) is provided with pressure groove.

2. A multiple directional control valve for use in a hydraulic system of an electrically driven loader according to claim 1, characterized in that: The debugging assembly (3) further includes a disc (309) disposed on the surface of the articulated seat (301), the surface of the disc (309) is provided with a fixing hole, and the disc (309) is coaxial with the articulated seat (301).

3. A multiple directional control valve for use in a hydraulic system of an electrically driven loader according to claim 1, characterized in that: The lower surface of the operating lever (302) is provided with a movable port, and the movable port is horizontally slidably connected with an insertion block (306), the insertion block (306) is inserted into the fixing hole.

4. A multiple directional control valve for use in a hydraulic system of an electrically driven loader according to claim 1, characterized in that: Two insertion blocks (306) are fixedly connected between opposite sides, and a steel wire (308) is provided, the steel wire (308) is flexible, and the diameter of the steel wire (308) is matched with the pressure groove.

5. A multiple directional control valve for use in a hydraulic system of a motorized loader according to claim 1, characterized in that: The inner wall of the operating lever (302) and one side of the insertion block (306) are fixedly connected with a limiting block, one side of the insertion block (306) close to the limiting block is fixedly connected with a spring (307), and the other end of the spring (307) is fixedly connected with the limiting block.

6. A multiple directional control valve for use in a hydraulic system of a motorized loader according to claim 1, characterized in that: The upper end of the pressure rod (303) is fixedly connected with a button (304), the lower surface of the button (304) is fixedly connected with a spring piece (305), and the lower surface of the spring piece (305) is fixedly connected with the inner wall of the operating lever (302).

7. A multiple directional control valve for use in a hydraulic system of a motorized loader according to claim 1, characterized in that: The lower surface of the operating lever (302) is provided with a movable port, and the movable port is horizontally slidably connected with an insertion block (306), the insertion block (306) is inserted into the fixing hole. The lower surface of the operating lever (302) is provided with a movable port, and the movable port is horizontally slidably connected with an insertion block (306), the insertion block (306) is inserted into the fixing hole.

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