CN219388285U

CN219388285U - Integral directional control valve

Info

Publication number: CN219388285U
Application number: CN202320141207.5U
Authority: CN
Inventors: 杨冬夫
Original assignee: Zhejiang Shenghong Mechanical Co ltd
Current assignee: Zhejiang Shenghong Mechanical Co ltd
Priority date: 2023-02-07
Filing date: 2023-02-07
Publication date: 2023-07-21
Anticipated expiration: 2033-02-07

Abstract

The utility model belongs to the technical field of integral directional control valves, in particular to an integral directional control valve which comprises a valve body pipe, wherein a first power pipe and a second power pipe are respectively and fixedly arranged at two ends of the valve body pipe, a feeding pipe is fixedly communicated with the top of the valve body pipe, a discharging pipe is fixedly communicated with the bottom of the valve body pipe, a high-efficiency sealing mechanism is arranged in the valve body pipe, and the high-efficiency sealing mechanism comprises a valve rod. This integral directional control valve has reached the inside seal of valve body pipe through setting up high-efficient sealing mechanism and has used the back for a long time, and control electric telescopic handle extension motion after the seal reduces and drive the inside hydraulic oil of flexible piston motion extrusion, makes it produce oil pressure and enter into the inside of pressure chamber and control the sealing rod stopper and expand, makes its sealing surface extrusion valve body pipe's inner wall seal adjustment, thereby reinforcing seal has strengthened life, has reduced cost of maintenance, and then has strengthened work efficiency.

Description

Integral directional control valve

Technical Field

The utility model relates to the technical field of integral directional control valves, in particular to an integral directional control valve.

Background

The direction control valve is used for controlling the flow direction of oil in a hydraulic system or regulating the flow and the pressure of the oil, and is used as one of the hydraulic valves, and the flow direction of the oil is controlled by replacing a runner. The directional control valve is one-way valve, hydraulic control one-way valve, reversing valve, travel speed reducing valve, liquid filling valve, shuttle valve, etc.

The existing integral directional control valve is easy to cause movement abrasion in long-term use, so that the sealing effect on the surface of the valve rod is reduced, internal leakage is caused in the switching of the control valve, the extrusion sealing cannot be regulated, disassembly and replacement are needed, the service life is shortened, the maintenance cost is increased, the working efficiency of the valve rod is low, and therefore the integral directional control valve is needed.

Disclosure of Invention

Based on the technical problems of low service life, high maintenance cost and low working efficiency of the existing integral directional control valve, the utility model provides an integral directional control valve.

The utility model provides an integral directional control valve, which comprises a valve body pipe, wherein a first power pipe and a second power pipe are respectively and fixedly arranged at two ends of the valve body pipe, a feeding pipe is fixedly communicated with the top of the valve body pipe, a discharging pipe is fixedly communicated with the bottom of the valve body pipe, a high-efficiency sealing mechanism is arranged in the valve body pipe and comprises valve rods, mounting holes are formed in the middle parts of the two valve rods, sealing rod plugs are fixedly arranged in the mounting holes, and the centers of the two valve rods are sleeved on the circular arc surfaces of the sealing rod plugs and are in sliding connection with the inner wall of the valve body pipe.

Preferably, the inside wall fixed mounting of first power tube has first drive tube, the inside wall fixed mounting of first drive tube has electric telescopic handle, electric telescopic handle's expansion end fixed mounting has flexible piston, flexible piston's fixed surface mounting has the sealing washer, the surface of sealing washer is pegged graft with the inner wall slip of first drive tube.

Preferably, the middle part of sealing rod stopper has seted up pressure chamber, one side inner wall fixedly connected with of pressure chamber is defeated to press the pipe, the one end of defeated pressure pipe is fixed to be linked together with the relative inner wall of first drive pipe, and the inside of first drive pipe is provided with hydraulic oil, the material of sealing rod stopper is rubber, defeated pressure pipe selects soft trachea to use.

Preferably, a driving motor is fixedly installed on the circular arc inner wall of the second power tube, a driving shaft is fixedly installed on an output shaft of the driving motor through a coupler, and a first gear is fixedly installed at one end of the driving shaft.

Preferably, the inner wall of one end of the valve body pipe is rotationally connected with a rotary table through a bearing, a toothed ring is fixedly arranged on one side surface of the rotary table, and tooth grooves of the toothed ring are meshed with tooth grooves of the first gear.

Preferably, a driving hole is formed in the axis of the rotary disc, a driving rod is connected to the inner wall of the driving hole in a threaded mode, and one end of the driving rod is fixedly installed at the opposite end of the sealing rod plug.

Preferably, a limiting frame is fixedly arranged on the inner wall of one side of the second power pipe, a limiting block is inserted into the inner wall of the limiting frame in a sliding manner, and one end of the limiting block is fixedly arranged on the opposite end of the driving rod.

The beneficial effects of the utility model are as follows:

through setting up high-efficient sealing mechanism and having reached the inside seal of valve body pipe and used the back for a long time, control electric telescopic handle extension motion after the seal reduces and drive the inside hydraulic oil of flexible piston motion extrusion, make it produce oil pressure enter into the inside of pressure chamber and control the sealing rod stopper and expand, make its sealing surface extrusion valve body pipe's inner wall seal adjustment, thereby strengthen sealed life has been strengthened, cost of maintenance has been reduced, and then work efficiency has been strengthened.

Drawings

FIG. 1 is a schematic illustration of the construction of an integral directional control valve;

FIG. 2 is a cross-sectional view of a valve stem structure of an integrated directional control valve;

FIG. 3 is an exploded view of a high efficiency sealing mechanism for an integral directional control valve.

In the figure: 1. a valve body tube; 2. a first power pipe; 3. a second power pipe; 4. a feed pipe; 5. a discharge pipe; 6. a valve stem; 7. a mounting hole; 8. a sealing rod plug; 9. a first drive tube; 10. an electric telescopic rod; 11. a telescoping piston; 12. a seal ring; 13. a pressure chamber; 14. a pressure transmission pipe; 15. a driving motor; 16. a drive shaft; 17. a first gear; 18. a turntable; 19. a toothed ring; 20. a drive hole; 21. a driving rod; 22. a limit frame; 23. and a limiting block.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments.

Referring to fig. 1-3, an integral directional control valve comprises a valve body pipe 1, wherein a first power pipe 2 and a second power pipe 3 are respectively and fixedly arranged at two ends of the valve body pipe 1, a first driving pipe 9 is fixedly arranged on the inner side wall of the first power pipe 2, an electric telescopic rod 10 is fixedly arranged on the inner side wall of the first driving pipe 9, a telescopic piston 11 is fixedly arranged at the telescopic end of the electric telescopic rod 10, a sealing ring 12 is fixedly arranged on the surface of the telescopic piston 11, the surface of the sealing ring 12 is in sliding connection with the inner wall of the first driving pipe 9, further, the telescopic piston 11 is driven to reciprocate by the telescopic movement of the electric telescopic rod 10, the telescopic piston 11 is driven to move to push the inside of the first power pipe 2 through the sealing friction of the sealing ring 12, and the inside sealing effect of the valve body pipe 1 is driven by the oil pressure.

The top fixed intercommunication of valve body pipe 1 has inlet pipe 4, the fixed intercommunication of the bottom of valve body pipe 1 has discharging pipe 5, the inside of valve body pipe 1 is provided with high-efficient sealing mechanism, high-efficient sealing mechanism is including valve rod 6, mounting hole 7 has all been seted up at the middle part of two valve rods 6, the inside fixed mounting of mounting hole 7 has sealed pole stopper 8, pressure chamber 13 has been seted up at the middle part of sealed pole stopper 8, one side inner wall fixedly connected with pressure transmission pipe 14 of pressure chamber 13, the one end of pressure transmission pipe 14 and the fixed intercommunication of relative inner wall of first drive pipe 9, the inside of first drive pipe 9 is provided with hydraulic oil, the material of sealed pole stopper 8 is rubber, pressure transmission pipe 14 selects soft trachea, and then reached valve rod 6 at the inside slip regulation of valve body pipe 1, after the long-term use is sealed because of the friction reduces to lead to seal failure, control oil pressure enters into the inside of pressure chamber 13 through the oil pressure after the oil pressure increase, collision control sealed pole stopper 8 outwards moves the inflation, thereby seal regulation reinforcing sealed effect.

The centers of the two valve rods 6 are sleeved on the arc surface of the sealing rod plug 8, and the arc surface of the sealing rod plug 8 is in sliding connection with the inner wall of the valve body pipe 1.

The driving motor 15 is fixedly arranged on the circular arc inner wall of the second power tube 3, the driving shaft 16 is fixedly arranged on the output shaft of the driving motor 15 through the coupler, the first gear 17 is fixedly arranged at one end of the driving shaft 16, and the effect that the driving motor 15 works to drive the driving shaft 16 to rotate is achieved, so that the first gear 17 is controlled to rotate; one end inner wall of the valve body pipe 1 is rotationally connected with a rotary table 18 through a bearing, one side surface of the rotary table 18 is fixedly provided with a toothed ring 19, tooth grooves of the toothed ring 19 are meshed with tooth grooves of the first gear 17, and further the effect that the first gear 17 rotates through meshing to drive the toothed ring 19 to rotate is achieved, and the rotary table 18 is controlled to rotate.

The axle center of the rotary table 18 is provided with a driving hole 20, the inner wall of the driving hole 20 is in threaded connection with a driving rod 21, one end of the driving rod 21 is fixedly arranged with the opposite end of the sealing rod plug 8, and the effects that the rotary table 18 rotates and under the condition of threaded connection, the driving rod 21 is controlled to move so as to drive the sealing rod plug 8 to move, and therefore one feeding pipe 4 and two discharging pipes 5 are driven to perform switching adjustment are achieved; the spacing frame 22 of one side inner wall fixed mounting of second power tube 3, the inner wall slip grafting of spacing frame 22 has stopper 23, and the one end of stopper 23 and the relative one end fixed mounting of actuating lever 21 have then reached stopper 23 and have slided in the inside of spacing frame 22, control actuating lever 21 spacing operation, control actuating lever 21 follow pivoted effect under threaded connection's condition when preventing carousel 18 rotation to make actuating lever 21 remove regulation.

Through setting up high-efficient sealing mechanism and having reached the inside seal of valve body pipe 1 after long-term use, control electric telescopic handle 10 extending motion and drive the inside hydraulic oil of expansion piston 11 motion extrusion after the seal reduces, make it produce oil pressure enter into the inside of pressure chamber 13 and control sealing rod stopper 8 and expand, make its sealing surface extrusion valve body pipe 1's inner wall seal adjustment, thereby strengthen sealed life has been strengthened, cost of maintenance has been reduced, and then work efficiency has been strengthened.

Working principle: after the sealing effect is reduced due to the increase of the sealing gap, the electric telescopic rod 10 is used for extending to drive the telescopic piston 11 to move to squeeze the hydraulic pressure in the inner part so as to generate oil pressure, the oil pressure enters the pressure cavity 13 to expand the sealing rod plug 8, and the sealing surface is controlled to squeeze the inner wall of the valve body tube 1, so that the sealing gap is reduced, and the sealing is enhanced;

when the discharging position needs to be switched, the driving motor 15 is started to work to drive the driving shaft 16 to rotate, so that the first gear 17 is driven to rotate, the toothed ring 19 is meshed to control the rotary table 18 to rotate, and the shaft center driving hole 20 of the rotary table 18 is in threaded connection with the driving rod 21 and slides and limits the limiting block 23 and the limiting frame 22, so that the rotary table 18 rotates to control the driving rod 21 to move, the sealing rod plug 8 is driven to move, and the discharging position is switched.

The foregoing is only a preferred embodiment of the present utility model, but the scope of the present utility model is not limited thereto, and any person skilled in the art, who is within the scope of the present utility model, should make equivalent substitutions or modifications according to the technical scheme of the present utility model and the inventive concept thereof, and should be covered by the scope of the present utility model.

Claims

1. An integral directional control valve, includes valve body pipe (1), its characterized in that: the utility model discloses a valve body pipe, including valve body pipe (1), valve body pipe (1) and valve body pipe, the both ends of valve body pipe (1) are fixed mounting respectively has first power tube (2) and second power tube (3), the fixed intercommunication in top of valve body pipe (1) has inlet pipe (4), the fixed intercommunication in bottom of valve body pipe (1) has discharging pipe (5), the inside of valve body pipe (1) is provided with high-efficient sealing mechanism, high-efficient sealing mechanism is including valve rod (6), two mounting hole (7) have all been seted up at the middle part of valve rod (6), the inside fixed mounting of mounting hole (7) has sealed pole stopper (8), two the center of valve rod (6) all cup joints the circular arc surface at sealed pole stopper (8), the circular arc surface of sealed pole stopper (8) is pegged graft with the inner wall slip of valve body pipe (1).

2. The integrated directional control valve of claim 1 wherein: the electric power device is characterized in that a first driving pipe (9) is fixedly arranged on the inner side wall of the first power pipe (2), an electric telescopic rod (10) is fixedly arranged on the inner side wall of the first driving pipe (9), a telescopic piston (11) is fixedly arranged at the telescopic end of the electric telescopic rod (10), a sealing ring (12) is fixedly arranged on the surface of the telescopic piston (11), and the surface of the sealing ring (12) is in sliding connection with the inner wall of the first driving pipe (9).

3. The integrated directional control valve of claim 2 wherein: the sealing rod plug is characterized in that a pressure cavity (13) is formed in the middle of the sealing rod plug (8), a pressure transmission pipe (14) is fixedly connected to the inner wall of one side of the pressure cavity (13), one end of the pressure transmission pipe (14) is fixedly communicated with the opposite inner wall of the first driving pipe (9), hydraulic oil is arranged in the first driving pipe (9), the sealing rod plug (8) is made of rubber, and a soft air pipe is selected for the pressure transmission pipe (14).

4. The integrated directional control valve of claim 1 wherein: the arc inner wall of the second power tube (3) is fixedly provided with a driving motor (15), an output shaft of the driving motor (15) is fixedly provided with a driving shaft (16) through a coupler, and one end of the driving shaft (16) is fixedly provided with a first gear (17).

5. The integrated directional control valve of claim 4 wherein: one end inner wall of the valve body pipe (1) is rotationally connected with a rotary table (18) through a bearing, a toothed ring (19) is fixedly arranged on one side surface of the rotary table (18), and tooth grooves of the toothed ring (19) are meshed with tooth grooves of the first gear (17).

6. The integrated directional control valve of claim 5 wherein: the axle center of carousel (18) has seted up drive hole (20), the inner wall threaded connection of drive hole (20) has actuating lever (21), the relative one end fixed mounting of actuating lever (21) and sealing rod stopper (8).

7. The integrated directional control valve of claim 6 wherein: one side inner wall of the second power pipe (3) is fixedly provided with a limiting frame (22), the inner wall of the limiting frame (22) is in sliding connection with a limiting block (23), and one end of the limiting block (23) is fixedly arranged at the opposite end of the driving rod (21).