CN214946583U

CN214946583U - Three-position six-way reversing valve capable of preventing oil leakage of end cover

Info

Publication number: CN214946583U
Application number: CN202121485423.9U
Authority: CN
Inventors: 田守港; 张洪亮
Original assignee: HUAIAN SHENGJIE HYDRAULIC MACHINERY CO Ltd
Current assignee: HUAIAN SHENGJIE HYDRAULIC MACHINERY CO Ltd
Priority date: 2021-07-01
Filing date: 2021-07-01
Publication date: 2021-11-30
Anticipated expiration: 2031-07-01

Abstract

The utility model discloses a three-position six-way reversing valve of end cover oil leak prevention, which comprises a valve body, the inside of valve body is provided with the valve pocket, and the internally mounted of valve pocket has the slidable traveller, the meso position connector has been seted up on the top of valve body, and the meso position connector has the meso position connecting piece through nut connection, the both ends of valve body are provided with detachable dismouting mechanism, the bottom of valve body is provided with the recovery mechanism of retrieving the inside oil leak of valve body, dismouting mechanism includes and sets up at valve body both ends sealing ring, and two sets of one side of sealing ring is provided with the valve gap, and sealing ring, valve gap, valve body have seted up the thread groove through the tapping, the inside of thread groove is provided with fastening bolt. The utility model discloses, this device all is connected with joint nut through meso position connecting piece, transposition connecting piece and work connecting piece's end and can guarantees that the oil leak problem can not take place for the junction of valve body and connecting piece, and then has improved the stability and the security of valve body work.

Description

Three-position six-way reversing valve capable of preventing oil leakage of end cover

Technical Field

The utility model belongs to the technical field of the switching-over valve and specifically relates to prevent tribit six-way switching-over valve of end cover oil leak.

Background

The reversing valve is a direction control valve with more than two flow forms and more than two oil ports, is a valve for realizing communication, cutting off and reversing of hydraulic oil flow, pressure unloading and sequential action control, and has two types, namely a rotary valve type and a slide valve type, depending on the direction control valve of relative movement of a valve core and a valve body.

The existing three-position six-way reversing valve for preventing oil leakage of an end cover is easy to cause poor connection sealing performance to cause oil leakage at a joint, the reversing valves are required to be disassembled one by one when maintenance is required, and the inside of a valve cavity is easy to cause oil leakage in the working process to cause low working efficiency of the reversing valve.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a three-position six-way reversing valve of preventing end cover oil leak to solve the problem of proposing among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme:

prevent tribit six-way switching-over valve of end cover oil leak, including the valve body, the inside of valve body is provided with the valve pocket, and the internally mounted of valve pocket has the slidable traveller, the meso position connector has been seted up on the top of valve body, and the meso position connector has the meso position connecting piece through nut connection, the both ends of valve body are provided with detachable dismouting mechanism, the bottom of valve body is provided with the recovery mechanism of retrieving the inside oil leak of valve body.

In a further embodiment, dismouting mechanism includes and sets up at valve body both ends sealing ring, and two sets of one side of sealing ring is provided with the valve gap, and sealing ring, valve gap, valve body have seted up the thread groove through the tapping, the inside of thread groove is provided with fastening bolt, the transposition connector has been seted up at one side center of valve gap, and the internal connection of transposition connector has the transposition connecting piece that runs through to the valve pocket is inside, can avoid the complicated operation with the whole dismantlements of switching-over valve when overhauing and maintaining.

In a further embodiment, the sealing ring and the valve cover are detachably connected with the valve body through fastening bolts, so that the valve body is easy and convenient to disassemble and is convenient for workers to overhaul and maintain.

In a further embodiment, the inner part of the transposition connecting piece forms a communication structure with the valve cavity through a through hole, so that oil inlet and outlet can be prevented from leaking when the valve body works.

In a further embodiment, the recovery mechanism includes a recovery box fixedly arranged at the bottom end of the valve body, the bottom end of the recovery box is fixedly connected with a recovery cover through a screw, a working connector is arranged at the bottom end of the recovery box, a working connector penetrating through the recovery cover is arranged inside the working connector, an oil return opening is arranged inside the valve body and communicated to the recovery box, and oil leakage inside the valve cavity can be recovered when the valve body works so as to prevent the valve body from being influenced.

In a further embodiment, the recovery box and the working connecting piece are internally provided with through holes to form a communicating structure with the valve body, and the recovered leaked oil and the working oil inlet and outlet of the valve body are not affected by each other during working.

In a further embodiment, the tail ends of the middle connecting piece, the transposition connecting piece and the working connecting piece are connected with joint nuts, so that oil leakage at the interface in the working process can be prevented.

Compared with the prior art, the beneficial effects of the utility model are that:

1. the utility model discloses, this device all is connected with joint nut through meso position connecting piece, transposition connecting piece and work connecting piece's end and can guarantees that the oil leak problem can not take place for the junction of valve body and connecting piece, and then has improved the stability and the security of valve body work.

2. The utility model discloses, this device can be convenient dismantle the valve body through the dismouting mechanism that sets up, avoided the whole complicated operation of dismantling the switching-over valve in addition when can overhauing and maintaining the valve body, can be quick dismantle the valve body and overhaul to maintain and improve maintenance efficiency.

3. The utility model discloses, can pass through the oil return opening with the oil leak that the valve body during operation caused inside the valve pocket through the recovery mechanism that sets up and collect inside the collection box, not only can prevent that the inside oil leak of valve body from gathering and causing the inside temperature of valve body during operation valve pocket to rise rapidly and lead to the valve body to break down, can collect oil leak resources are saved moreover.

Drawings

FIG. 1 is an external view of the present invention;

fig. 2 is a cross-sectional view of the present invention;

fig. 3 is a schematic front view of the structure of the present invention.

In the figure: 1. a valve body; 2. a valve cavity; 3. a traveler; 4. a middle position connecting port; 5. a middle position connecting piece; 6. a disassembly and assembly mechanism; 601. a seal ring; 602. a valve cover; 603. a thread groove; 604. fastening a bolt; 605. a transposition connector; 606. a transposition connecting piece; 7. a recovery mechanism; 701. a recycling bin; 702. a recovery cover; 703. a working connection port; 704. a working connection member; 705. an oil return port; 8. and a union nut.

Detailed Description

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are used merely for convenience of description and for simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention. Furthermore, the terms "first", "second", etc. are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first," "second," etc. may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless otherwise specified.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood by those of ordinary skill in the art through specific situations.

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. 1-3, in the embodiment of the present invention, a three-position six-way reversing valve for preventing oil leakage from an end cover comprises a valve body 1, a valve cavity 2 is arranged inside the valve body 1, a sliding column 3 is arranged in the valve cavity 2 in a sliding way, a middle connecting port 4 is arranged at the top end of the valve body 1, the middle connecting port 4 is connected with a middle connecting piece 5 through a nut, the two ends of the valve body 1 are provided with detachable disassembly and assembly mechanisms 6, the bottom end of the valve body 1 is provided with a recovery mechanism 7 for recovering oil leakage in the valve body 1, the tail ends of the middle connecting piece 5, the transposition connecting piece 606 and the working connecting piece 704 are all connected with a joint nut 8, the tail ends of the middle position connecting piece 5, the transposition connecting piece 606 and the working connecting piece 704 are connected with the joint nuts 8, so that the problem of oil leakage at the joint of the valve body 1 and the connecting pieces can be solved, and the working stability and safety of the valve body 1 are improved.

Example 1

Referring to fig. 1-3, the disassembling and assembling mechanism 6 includes sealing rings 601 disposed at two ends of the valve body 1, and one side of the two sealing rings 601 is disposed with a valve cover 602, and the sealing rings 601, the valve cover 602, and the valve body 1 are disposed with thread grooves 603 by tapping, a fastening bolt 604 is disposed inside the thread grooves 603, a transposition connection port 605 is disposed at one side center of the valve cover 602, and the transposition connection port 605 is connected with a transposition connection member 606 penetrating into the valve cavity 2, the valve body 1 can be disassembled conveniently by the assembling and disassembling mechanism 6, and the complicated operation of disassembling all the reversing valve can be avoided when the valve body 1 is maintained, the valve body 1 can be disassembled, the maintenance efficiency can be improved, the sealing rings 601 and the valve cover 602 can be disassembled and connected with the valve body 1 by the fastening bolt 604, when the valve body 1 needs to be maintained, firstly, the worker unscrews the fastening bolt 604, the fastening bolts 604 are all screwed off slowly, then the valve cover 602 and the sealing ring 601 are sequentially detached from the two ends of the valve body 1, at the moment, a worker carries out maintenance on the valve body 1, the inside of the transposition connecting piece 606 forms a communicating structure with the valve cavity 2 through a through hole, when the valve works, firstly, a sliding column slides in the valve cavity 2 through external factors to enable an oil inlet to enter the oil inlet, an oil outlet to discharge oil through a series of operations, and the oil inlet and outlet directions are changed through the position of the sliding column in the valve cavity 2.

Example 2

Referring to fig. 1-3, the difference from embodiment 1 is: the recycling mechanism 7 comprises a recycling tank 701 fixedly arranged at the bottom end of the valve body 1, the bottom end of the recycling tank 701 is fixedly connected with a recycling cover 702 through a screw rod, the bottom end of the recycling tank 701 is provided with a working connection port 703, a working connection member 704 penetrating through the recycling cover 702 is arranged inside the working connection port 703, an oil return port 705 is arranged inside the valve body 1 and communicated with the recycling tank 701, leaked oil generated inside the valve cavity 2 when the valve body 1 works can be collected inside the recycling tank 701 through the oil return port 705 by the arranged recycling mechanism 7, not only can the problem of the valve body 1 caused by the rapid rise of the temperature inside the valve cavity 2 when the valve body 1 works be prevented from being caused by the accumulation of the leaked oil inside the valve body 1, but also the resources can be collected and saved, the recycling tank 701 and the working connection member 704 are both provided with through holes to form a communication structure with the valve body 1, when the valve body 1 works, the leaked oil can be caused inside the valve cavity 2 in the process of oil inlet and outlet, when the oil leakage problem occurs, the leaked oil is collected in the recovery tank 701 through an oil return port 705 formed at the bottom end inside the valve body 1.

The utility model discloses a theory of operation is: when the reversing valve is used, firstly, the reversing valve is installed at a specified position, when the reversing valve works, firstly, a sliding column slides in a valve cavity 2 through external factors to enable an oil inlet to enter, an oil outlet to discharge oil through a series of operations, the oil inlet and outlet direction of the oil is changed through the position of the sliding column in the valve cavity 2, when a valve body 1 works, oil leakage possibly occurs in the valve cavity 2 in the oil inlet and outlet process, when the oil leakage problem occurs, the leaked oil is collected in a recovery box 701 through an oil return port 705 arranged at the bottom end in the valve body 1, when the valve body 1 needs to be overhauled and maintained, firstly, a worker unscrews a fastening bolt 604 to slowly and completely unscrew the fastening bolt 604, then sequentially detaches a valve cover 602 and a sealing ring 601 from two ends of the valve body 1, at the moment, the worker overhauls and maintains the valve body 1, and can ensure that the connection between the valve body 1 and a connecting piece can be ensured through a joint nut 8 connected with the middle position connecting piece 5, a transposition connecting piece 606 and the tail end of a working connecting piece 704 The problem of oil leakage can not occur, and the working stability and safety of the valve body 1 are further improved.

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.

Claims

1. Prevent three-position six-way switching-over valve of end cover oil leak, including valve body (1), its characterized in that: the inside of valve body (1) is provided with valve pocket (2), and the internally mounted of valve pocket (2) has slidable traveller (3), meso position connector (4) have been seted up on the top of valve body (1), and meso position connector (4) are connected with meso position connecting piece (5) through the nut, the both ends of valve body (1) are provided with detachable dismouting mechanism (6), the bottom of valve body (1) is provided with retrieves recovery mechanism (7) of the inside oil leak of valve body (1).

2. The three-position six-way reversing valve for preventing the oil leakage of the end cover according to claim 1, is characterized in that: dismouting mechanism (6) include to set up at valve body (1) both ends sealing ring (601), and two sets of one side of sealing ring (601) is provided with valve gap (602), and sealing ring (601), valve gap (602), valve body (1) have seted up thread groove (603) through the tapping, the inside of thread groove (603) is provided with fastening bolt (604), transposition connector (605) have been seted up at one side center of valve gap (602), and the internal connection of transposition connector (605) has the transposition connecting piece (606) that runs through to valve pocket (2) inside.

3. The three-position six-way reversing valve for preventing the oil leakage of the end cover according to claim 2, is characterized in that: the sealing ring (601) and the valve cover (602) are detachably connected with the valve body (1) through fastening bolts (604).

4. The three-position six-way reversing valve for preventing the oil leakage of the end cover according to claim 2, is characterized in that: the inner part of the transposition connecting piece (606) forms a communicating structure with the valve cavity (2) through a through hole.

5. The three-position six-way reversing valve for preventing the oil leakage of the end cover according to claim 1, is characterized in that: the recycling mechanism (7) comprises a recycling box (701) fixedly arranged at the bottom end of the valve body (1), a recycling cover (702) is fixedly connected to the bottom end of the recycling box (701) through a screw, a working connection port (703) is formed in the bottom end of the recycling box (701), a working connection piece (704) penetrating through the recycling cover (702) is arranged inside the working connection port (703), and an oil return port (705) is formed inside the valve body (1) and communicated to the recycling box (701).

6. The three-position six-way reversing valve for preventing the end cover from leaking oil of claim 5, wherein: the recycling box (701) and the working connecting piece (704) are internally provided with through holes which form a communicating structure with the valve body (1).

7. The three-position six-way reversing valve for preventing the oil leakage of the end cover according to claim 1, is characterized in that: the tail ends of the middle position connecting piece (5), the transposition connecting piece (606) and the working connecting piece (704) are connected with joint nuts (8).