Hydraulic valve convenient to maintain
Technical Field
The utility model relates to a hydrovalve technical field specifically is a hydrovalve convenient to maintain.
Background
The hydraulic system is distributed in the mechanical industry, the execution of the hydraulic system is stable, and the technology is mature. A hydraulic system is generally composed of four types of hydraulic components, namely, an energy source component (hydraulic pump), an actuator component (hydraulic cylinder, hydraulic motor), a control component (various hydraulic valves), and an auxiliary component (oil tank, pipeline, etc.). Hydraulic valves are control elements in hydraulic systems and function to control the flow direction, pressure and flow of fluid in the hydraulic system. The basic structure of the hydraulic valve mainly comprises a valve core, a valve body and an operation control mechanism for driving the valve core to move relatively in the valve body.
However, most of the existing hydraulic valves have the defect of poor stability and need to be maintained frequently, and meanwhile, the existing hydraulic valves also have complex structures, so that the maintenance operation is complex. Accordingly, there is a need for a new and easily maintained hydraulic valve that overcomes the above-mentioned deficiencies.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a hydrovalve convenient to maintain to solve the problem that proposes among the above-mentioned background art.
In order to achieve the above object, the utility model provides a following technical scheme:
the utility model provides a hydrovalve convenient to maintain, includes the valve body, be provided with the core chamber in the valve body, the slip sets up installs the case in the core chamber, the valve body upper end is provided with an enterprising liquid mouth and the last liquid outlet that links to each other with the core chamber, and the lower extreme of valve body is provided with lower inlet and lower liquid outlet that link to each other with the core chamber, the left end of case is provided with left water conservancy diversion seat, and the middle part of case is provided with right water conservancy diversion seat, and the right-hand member of case is provided with the base, the left end fixedly connected with left end lid of valve body, form the hydraulic pressure oil pocket between left end lid and the valve body, the right-hand.
Preferably, go up to be connected with the feed liquor on the feed liquor mouth and divide the pipe, be connected with the feed liquor on the lower inlet and be responsible for, the feed liquor divides the pipe to be responsible for with the feed liquor and links to each other, it is responsible for to go up to be connected with out the liquid on the liquid outlet, the liquid outlet is connected with out the liquid and divides the pipe down, it divides the pipe to link to each other with a play liquid person in charge.
Preferably, the circumferential outer surfaces of the left flow guide seat, the right flow guide seat and the base are fixedly connected with rubber rings.
Preferably, a conical top seat is arranged at the left end of the left flow guide seat, and a clamping seat in clamping fit with the top seat is arranged on the left end cover.
Preferably, a sealing device is arranged at the joint of the left end cover and the valve body.
Preferably, the sealing device comprises a sealing ring groove arranged on the left end face of the valve body, and a sealing ring is placed in the sealing ring groove.
Compared with the prior art, the beneficial effects of the utility model are that: the utility model discloses well left end lid and right-hand member lid pass through screw and valve body fixed connection, make things convenient for the dismouting, easily maintain hydrovalve inside. The liquid inlet branch pipe and the liquid inlet main pipe realize simultaneous liquid inlet of two inlets. The liquid outlet branch pipe is connected with the liquid outlet branch pipe to realize simultaneous liquid drainage of the two outlets. The rubber ring improves the sealing performance of the left flow guide seat, the right flow guide seat, the base and the core cavity. The conical top seat can convert the pressure of the hydraulic oil in the hydraulic oil cavity into thrust to the valve core to a large extent. The sealing ring improves the sealing performance of the joint of the left end cover and the valve body, and further improves the sealing performance of the hydraulic oil cavity. The utility model relates to a simple structure, the reliability is high, the hydrovalve of being convenient for maintain that the leakproofness is good.
Drawings
FIG. 1 is a schematic diagram of a hydraulic valve for ease of maintenance;
fig. 2 is a partially enlarged view of fig. 1 at K.
In the figure: 1-valve body, 2-core cavity, 3-valve core, 4-base, 5-right guide seat, 6-left guide seat, 7-top seat, 8-left end cover, 9-right end cover, 10-spring, 11-lower liquid inlet, 12-upper liquid inlet, 13-upper liquid outlet, 14-lower liquid outlet, 15-main liquid inlet pipe, 16-branch liquid inlet pipe, 17-main liquid outlet pipe, 18-branch liquid outlet pipe, 19-seal ring groove, 20-seal ring and 21-rubber ring.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
Referring to fig. 1-2, the present invention provides a technical solution:
the utility model provides a hydrovalve convenient to maintain, includes valve body 1, be provided with core chamber 2 in the valve body 1, slide to set up in the core chamber 2 and install case 3, 1 upper end of valve body is provided with an enterprising liquid inlet 12 and last liquid outlet 13 that link to each other with core chamber 2, and the lower extreme of valve body 1 is provided with lower inlet 11 and lower liquid outlet 14 that link to each other with core chamber 2, the left end of case 3 is provided with left water conservancy diversion seat 6, and the middle part of case 3 is provided with right water conservancy diversion seat 5, and the right-hand member of case 3 is provided with base 4, the left end fixedly connected with left end lid 8 of valve body 1, form hydraulic pressure oil chamber between left end lid 8 and the valve body 1, the right-hand member fixedly connected with right-hand member end lid 9 of valve.
The utility model discloses left end lid 8 and right-hand member lid 9 make things convenient for the dismouting through screw and 1 fixed connection of valve body, easily maintain the hydrovalve is inside. When the hydraulic valve is in a passage, liquid enters from a lower liquid inlet 11 and an upper liquid inlet 12, is discharged from an upper liquid outlet 13 and a lower liquid outlet 14, and flows through a core cavity 2 in a valve body 1; the liquid flows through the right guide seats 5 at the two sides, the pressure at the two sides of the right guide seats 5 tends to be consistent, and the spring 10 limits the position of the valve core 3 at the left end of the valve body 1; when the hydraulic valve is closed, oil enters the hydraulic oil cavity to press the valve core 3 to the right end of the valve body 1, and at the moment, the right guide seat 5 and the left guide seat 6 realize throttling.
Preferably, it is connected with the feed liquor on the upper feed inlet 12 and divides the pipe 16, be connected with the feed liquor on the lower inlet 11 and be responsible for 15, the feed liquor divides the pipe 16 to be responsible for 15 with the feed liquor and links to each other, it is responsible for 17 to be connected with out the liquid on the upper liquid outlet 13, lower liquid outlet 14 is connected with out the liquid and divides the pipe 18, it divides the pipe 18 and goes out the liquid and is responsible for 17 and link to each other to go out the liquid.
The liquid inlet branch pipe 16 and the liquid inlet main pipe 15 realize that two inlets simultaneously feed liquid. The liquid outlet branch pipe 18 is connected with the liquid outlet branch pipe 17 to realize simultaneous liquid discharge of two outlets.
Preferably, rubber rings 21 are fixedly connected to the circumferential outer surfaces of the left guide seat 6, the right guide seat 5 and the base 4.
The rubber ring 21 improves the sealing performance between the left guide seat 6, the right guide seat 5 and the base 4 and the core cavity 2.
Preferably, a conical top seat 7 is arranged at the left end of the left flow guide seat 6, and a clamping seat in clamping fit with the top seat 7 is arranged on the left end cover 8.
The conical top seat 7 can convert the pressure of the hydraulic oil in the hydraulic oil cavity into thrust on the valve core 3 to a large extent.
Preferably, the joint of the left end cover 8 and the valve body 1 is provided with a sealing device.
Preferably, the sealing device comprises a sealing ring groove 19 arranged on the left end face of the valve body 1, and a sealing ring 20 is placed in the sealing ring groove 19.
The sealing ring improves the sealing performance of the joint of the left end cover 8 and the valve body 1, and further improves the sealing performance of the hydraulic oil cavity.
The utility model discloses a theory of operation is: the utility model discloses left end lid 8 and right-hand member lid 9 make things convenient for the dismouting through screw and 1 fixed connection of valve body, easily maintain the hydrovalve is inside. When the hydraulic valve is in a passage, liquid enters from a lower liquid inlet 11 and an upper liquid inlet 12, is discharged from an upper liquid outlet 13 and a lower liquid outlet 14, and flows through a core cavity 2 in a valve body 1; the liquid flows through the right guide seats 5 at the two sides, the pressure at the two sides of the right guide seats 5 tends to be consistent, and the spring 10 limits the position of the valve core 3 at the left end of the valve body 1; when the hydraulic valve is closed, oil enters the hydraulic oil cavity to press the valve core 3 to the right end of the valve body 1, and at the moment, the right guide seat 5 and the left guide seat 6 realize throttling. The liquid inlet branch pipe 16 and the liquid inlet main pipe 15 realize that two inlets simultaneously feed liquid. The liquid outlet branch pipe 18 is connected with the liquid outlet branch pipe 17 to realize simultaneous liquid discharge of two outlets. The rubber ring 21 improves the sealing performance between the left guide seat 6, the right guide seat 5 and the base 4 and the core cavity 2. The conical top seat 7 can convert the pressure of the hydraulic oil in the hydraulic oil cavity into thrust on the valve core 3 to a large extent. The sealing ring improves the sealing performance of the joint of the left end cover 8 and the valve body 1, and further improves the sealing performance of the hydraulic oil cavity.
It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.