CN216279536U - Hydraulic multi-way valve structure - Google Patents

Abstract

The utility model discloses a hydraulic multi-way valve structure, belonging to the technical field of hydraulic oil valves; the condition that appears the oil leak can be solved, and the multiple unit valve has the problem of backward flow when using, includes: valve body, control structure, buffer structure, control knot arranges valve body one side in, and in buffer structure arranged the valve body in, set up multiunit inlet port and oil outlet in the valve body, inlet port and oil outlet one-to-one arrange the valve body both sides respectively in, set up the case in the valve body, case and inlet port, oil outlet mutually perpendicular, the position department that the case is located oil outlet and inlet port sets up the valve opening, and inlet port and oil outlet pass through the valve opening intercommunication, and interior cavity is inserted and is arranged in the oil outlet, interior cavity is the drum structure, and interior cavity inner wall sets up multiunit valve, the crisscross setting of valve reduces the wearing and tearing between the corresponding part, prevents the oil leak, blocks the fluid of backward flow, prevents to appear the backward flow, cushions the high pressure oil, reduces the impact that the part received, the noise abatement simultaneously.

Description

Hydraulic multi-way valve structure

Technical Field

The utility model relates to a hydraulic multi-way valve structure, and belongs to the technical field of hydraulic oil valves.

Background

The condition of oil leak can appear owing to frequent hydraulic pressure uses to the multiple unit valve, and we can't in time discover before using, leads to breaking down when using, and the multiple unit valve has the backward flow when using simultaneously to make production interrupt, influence the working schedule, serious can cause the production accident even.

Publication No. CN2685621Y discloses a hydraulic multi-way valve having a valve body, a valve stem and a valve stem operating mechanism; the multi-way valve is provided with one/two valve groups, each valve group is formed by matching two valve rods, a middle slide valve and a valve body, a spring for enabling each valve rod to move upwards is arranged corresponding to each valve rod, the middle slide valve is provided with an oil duct for communicating an oil supply cavity and an oil return cavity of the valve body when the middle slide valve is in a middle position, the lower end of the middle slide valve is provided with a bottom plate, and the bottom plate is correspondingly arranged below each valve rod to form a linkage mechanism for enabling the middle slide valve to move downwards along with the downward movement of the valve rods and disconnecting the oil supply cavity and the oil return cavity.

SUMMERY OF THE UTILITY MODEL

The hydraulic multi-way valve structure provided by the utility model can solve the problems that oil leakage occurs and the multi-way valve has backflow when in use.

In order to solve the above problems, the present invention provides the following technical solutions: a hydraulic multi-way valve structure comprising: the control structure is arranged on one side of the valve body, the buffer structure is arranged in the valve body, a plurality of groups of oil inlet holes and oil outlet holes are formed in the valve body, the oil inlet holes and the oil outlet holes are in one-to-one correspondence and are respectively arranged on two sides of the valve body, a valve core is arranged in the valve body, the valve core is perpendicular to the oil inlet holes and the oil outlet holes, valve holes are formed in the positions, located on the oil outlet holes and the oil inlet holes, of the valve core, the oil inlet holes are communicated with the oil outlet holes through the valve holes, an inner cavity is inserted into the oil outlet holes, the inner cavity is of a cylindrical structure, a plurality of groups of valves are arranged on the inner wall of the inner cavity, and the valves are arranged in a staggered mode;

the buffer structure comprises a buffer spring, a push plate and a buffer head, wherein a plurality of groups of buffer grooves are arranged in the valve body, the bottoms of the buffer grooves are arranged on the side wall of the valve core, the buffer spring is arranged in the buffer grooves, the push plate is arranged in the buffer grooves, the buffer plates are arranged at the end parts of the buffer springs in an abutting-pressing manner, the bottoms of the buffer plates are provided with the buffer heads, and a rubber layer is arranged between the buffer heads and the buffer plates;

the control structure comprises an end cover, an electromagnet, an armature, a guide rod, a reset spring and a connecting block, wherein the connecting block is fixedly arranged at the end part of the valve core, the guide rod is arranged on the connecting block, the end cover is sleeved outside the control structure, the end part of the end cover is fixedly arranged on the side wall of the valve body, an inserting groove is formed in the end cover, the guide rod is inserted in the inserting groove, the reset spring is arranged between the guide rod and the end cover, the armature is arranged on one side of the guide rod, the guide rod is not in contact with the armature, and the electromagnet is arranged on both sides of the armature;

the buffer head is pressed on the side wall of the valve core;

the length of a valve hole on the valve core is consistent with the aperture of the oil inlet hole and the aperture of the oil outlet hole;

when the guide rod is not in work, the guide rod is inserted into one third of the slot;

the electromagnet is additionally provided with a lead;

the length of the buffer head is greater than that of the valve hole;

and the connecting block and the end cover are in clearance fit.

The utility model has the beneficial effects that:

firstly, abrasion among corresponding parts is reduced, and oil leakage is prevented;

secondly, when the device is used, the backflow oil is blocked, and backflow is prevented;

and thirdly, high-pressure oil is buffered, so that the impact on parts is reduced, and the noise is reduced.

Drawings

Fig. 1 is a schematic structural diagram of a hydraulic multi-way valve structure according to the present invention.

Fig. 2 is a schematic structural diagram of a structural control structure of a hydraulic multi-way valve according to the present invention.

Fig. 3 is a schematic structural diagram of a buffer structure of a hydraulic multi-way valve structure according to the present invention.

1. A valve body; 2. a buffer structure; 3. an inner cavity; 4. an oil outlet hole; 5. a valve; 6. a control structure; 7. a valve core; 8. an oil inlet hole; 9. a valve bore; 10. an end cap; 11. an electromagnet; 12. an armature; 13. a guide bar; 14. a return spring; 15. connecting blocks; 16. a slot; 17. a buffer spring; 18. a buffer tank; 19. pushing the plate; 20. a rubber layer; 21. and a buffer head.

Detailed Description

The utility model is further described below with reference to the accompanying drawings.

It should be noted that the terms "front," "back," "left," "right," "upper" and "lower" used in the following description refer to directions in fig. 1, and the terms "inner" and "outer" refer to directions toward and away from, respectively, the geometric center of a particular component.

According to the illustrations of FIGS. 1-3: the utility model provides a hydraulic multi-way valve structure, which comprises: the control structure is arranged on one side of the valve body 1, the buffer structure 2 is arranged in the valve body 1, a plurality of groups of oil inlets 8 and oil outlets 4 are arranged in the valve body 1, the oil inlets 8 correspond to the oil outlets 4 one by one and are respectively arranged on two sides of the valve body 1, a valve core 7 is arranged in the valve body 1, the valve core 7, the oil inlets 8 and the oil outlets 4 are mutually perpendicular, valve holes 9 are formed in the positions, located on the oil outlets 4 and the oil inlets 8, of the valve core 7, the oil inlets 8 are communicated with the oil outlets 4 through the valve holes 9, the inner cavity 3 is inserted into the oil outlets 4, the inner cavity 3 is of a cylindrical structure, a plurality of groups of valves 5 are arranged on the inner wall of the inner cavity 3, and the valves 5 are arranged in a staggered mode;

the buffer structure 2 comprises a buffer spring 17, a push plate 19 and a buffer head 21, wherein a plurality of groups of buffer grooves 18 are arranged in the valve body 1, the bottom of each buffer groove 18 is arranged on the side wall of the valve core 7, the buffer spring 17 is arranged in the corresponding buffer groove 18, the push plate 19 is arranged in the corresponding buffer groove 18, the buffer plate is arranged at the end part of the corresponding buffer spring 17 in a propping and pressing mode, the buffer head 21 is arranged at the bottom of the buffer plate, and a rubber layer 20 is arranged between the buffer head 21 and the buffer plate;

the control structure 6 comprises an end cover 10, an electromagnet 11, an armature 12, a guide rod 13, a return spring 14 and a connecting block 15, wherein the connecting block 15 is fixedly arranged at the end part of the valve core 7, the guide rod 13 is arranged on the connecting block 15, the end cover 10 is sleeved outside the control structure 6, the end part of the end cover 10 is fixedly arranged on the side wall of the valve body 1, a slot 16 is arranged in the end cover 10, the guide rod 13 is inserted in the slot 16, the return spring 14 is arranged between the guide rod 13 and the end cover 10, the armature 12 is arranged on one side of the guide rod 13, the guide rod 13 is not in contact with the armature 12, and the electromagnet 11 is arranged on both sides of the armature 12;

the buffer head 21 is pressed against the side wall of the valve core 7 to buffer the valve core 7, so that the valve core 7 is prevented from being impacted by high-pressure oil to wear the valve body 1;

the length of a valve hole 9 on the valve core 7 is consistent with the aperture of the oil inlet hole 8 and the aperture of the oil outlet hole 4, so that the oil inlet quantity and the oil outlet quantity are convenient to control and consistent;

when the guide rod 13 is not in operation, the guide rod 13 is inserted into one third of the slot 16, so that the guide rod 13 is prevented from being misplaced;

a lead is additionally arranged on the electromagnet 11 to control the electromagnet 11 to be switched on and off;

the length of the buffer head 21 is greater than that of the valve hole 9, so that the buffer head 21 is prevented from blocking the valve hole 9;

the connecting block 15 and the end cover 10 are in clearance fit, so that the connecting block 15 can move in the end cover 10.

The principle of the utility model is as follows: during the use, 8 oil intakes of inlet port, electro-magnet 11 work, make armature 12 attract guide arm 13, guide arm 13 overcomes reset spring 14 and drives case 7 and move to the right, make valve opening 9 and inlet port 8 coincide gradually, oil flows to oil outlet 4 from inlet port 8, when the oil pressure is too high, buffer head 21 cushions case 7, and transmit buffer spring 17 through push pedal 19, thereby reduce the impact that case 7 received, reduce the wearing and tearing of case 7 and valve body 1, valve 5 prevents the interior backward flow of oil outlet 4, thereby reach the wearing and tearing that reduce between the corresponding part, prevent the oil leak, block the fluid of backward flow, prevent the backward flow, cushion high-pressure oil, reduce the impact that the part received, reduce the purpose of noise simultaneously.

The present invention and its embodiments have been described above, and the description is not intended to be limiting, and the drawings are only one embodiment of the present invention, and the actual structure is not limited thereto. In summary, those skilled in the art should appreciate that they can readily use the disclosed conception and specific embodiments as a basis for designing or modifying other structures for carrying out the same purposes of the present invention without departing from the spirit and scope of the utility model as defined by the appended claims.

Claims (7)

1. A hydraulic multi-way valve structure is characterized in that: the oil-saving valve comprises a valve body (1), a control structure (6) and a buffer structure (2), wherein the control structure is arranged on one side of the valve body (1), the buffer structure (2) is arranged in the valve body (1), a plurality of groups of oil inlets (8) and oil outlets (4) are arranged in the valve body (1), the oil inlets (8) and the oil outlets (4) are in one-to-one correspondence, two sides of the valve body (1) are respectively arranged in the valve body (1), a valve core (7) is arranged in the valve body (1), the valve core (7) is perpendicular to the oil inlets (8) and the oil outlets (4), valve holes (9) are formed in positions of the valve core (7) located at the oil outlets (4) and the oil inlets (8), the oil inlets (8) are communicated with the oil outlets (4) through the valve holes (9), the inner cavity (3) is inserted into the oil outlets (4), the inner cavity (3) is of a cylindrical structure, and the inner wall of the inner cavity (3) is provided with a plurality of groups of valves (5), the valves (5) are staggered;

the buffer structure (2) comprises a buffer spring (17), a push plate (19) and a buffer head (21), wherein a plurality of groups of buffer grooves (18) are arranged in the valve body (1), the bottom of each buffer groove (18) is arranged on the side wall of the valve core (7), the buffer spring (17) is arranged in the buffer groove (18), the push plate (19) is arranged in the buffer groove (18), the buffer plate is arranged at the end part of the buffer spring (17) in a propping and pressing manner, the bottom of the buffer plate is provided with the buffer head (21), and a rubber layer (20) is arranged between the buffer head (21) and the buffer plate;

control structure (6) are including end cover (10), electro-magnet (11), armature (12), guide arm (13), reset spring (14), connecting block (15), case (7) tip is arranged in to connecting block (15) is fixed, sets up guide arm (13) on connecting block (15), control structure (6) outside is arranged in to end cover (10) cover, and end cover (10) tip is fixed and arrange valve body (1) lateral wall in, sets up slot (16) in end cover (10), and guide arm (13) are inserted and are arranged in slot (16), and set up reset spring (14) between guide arm (13) and end cover (10), and guide arm (13) one side sets up armature (12), and guide arm (13) and armature (12) contactless, armature (12) both sides all set up electro-magnet (11).

2. The hydraulic multiplex valve structure of claim 1, wherein: the buffer head (21) is pressed against the side wall of the valve core (7).

3. The hydraulic multiplex valve structure of claim 1, wherein: the length of a valve hole (9) on the valve core (7) is consistent with the aperture of the oil inlet hole (8) and the aperture of the oil outlet hole (4).

4. The hydraulic multiplex valve structure of claim 1, wherein: when the guide rod (13) is not in operation, the guide rod (13) is inserted into one third of the slot (16).

5. The hydraulic multiplex valve structure of claim 1, wherein: the electromagnet (11) is additionally provided with a lead.

6. The hydraulic multiplex valve structure of claim 1, wherein: the length of the buffer head (21) is greater than that of the valve hole (9).

7. The hydraulic multiplex valve structure of claim 1, wherein: the connecting block (15) and the end cover (10) are in clearance fit.

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