CN205978617U

CN205978617U - Cycle switching -over valve is hung in order of marine gram

Info

Publication number: CN205978617U
Application number: CN201620724054.7U
Authority: CN
Inventors: 严海军; 王友奇
Original assignee: Run Chen Hydraulic Machinery Nantong Co Ltd
Current assignee: Run Chen Hydraulic Machinery Nantong Co Ltd
Priority date: 2016-07-11
Filing date: 2016-07-11
Publication date: 2017-02-22
Anticipated expiration: 2026-07-11

Abstract

The utility model discloses a cycle switching -over valve is hung in order of marine gram is under bottom plate, screw, spring shim, case, valve body, spring holder, on the spring holder, spacer pin, connecting block, stopper, end cover, discharge valve, reset spring, control rod, nut, axle be with elasticity ring washer, first end cover, second end cover and operating handle, the utility model has the advantages of reasonable structure simply, low in production cost, simple to operate, multiple functional, can effectually solve current cycle switching -over valve is hung in order of marine gram because the problem of case, housing material and structure can appear under load conditions, the case can not the automatic re -setting scheduling problem, the utility model discloses the switching -over valve promotes valve body material, optimizes the case simultaneously, increases the equalization tank design, can make the case in large -traffic (600Lmin), high pressure (withstand voltage 35MPa) smooth working down.

Description

A kind of crane for ship cycle reversal valve

Technical field：

The utility model is related to a kind of directional control valve, particularly to a kind of crane for ship cycle reversal valve.

Background technology：

Reversal valve is the directional control valve with two or more liquid forms and two or more hydraulic fluid port, is to realize hydraulic oil stream Communication, cut-out and commutation, and the valve that discharge degree and sequentially-operating control；Often use in hydraulic control system manually Reversal valve, for the flow direction of manual control hydraulic oil；And existing crane for ship cycle reversal valve is due to valve element, housing material It may appear that in load conditions, valve element can not automatically reset the problem of material and structure, and this reversal valve carries to valve body material Rise, valve element is optimized simultaneously, increase balancing slit design, make valve element in big flow, steadily corresponding during high-pressure work.

Utility model content：

The purpose of this utility model is that provides a kind of crane for ship cycle reversal valve to solve the above problems, Solve the problems, such as existing crane for ship cycle reversal valve due to valve element, case material and structure it may appear that in loading condition Under, the problems such as valve element can not automatically reset.

In order to solve the above problems, the utility model provides a kind of technical scheme：A kind of crane for ship cycle commutation Valve, its innovative point is：Including under base plate, screw, spring shim, valve element, valve body, spring base, on spring base, spacer pin, company Connect block, limited block, end cap, air bleeding valve and back-moving spring；Described body base is fixedly connected on bottom by screw and spring shim Above plate；Described valve element is vertically movably connected in valve inner；Described spring base lower bottom part is located at valve body upper interior step surface On, under described spring base, inside top surface is connected with step surface on the upside of valve element；Described end cap is fixedly connected on above valve body, described end Cover right side of face and be provided with air bleeding valve；It is located at valve body upper interior, above and end cap bottom on described spring base on described spring base Be connected, on described spring base and under described spring base between be provided with back-moving spring；Pass through spacer pin hinged on the downside of described contiguous block On valve element top.

Preferably, described valve body is made up of spheroidal graphite cast-iron.

Preferably, being provided with balancing slit above described valve element.

Preferably, also including control stick, nut, shaft-use elastic gear ring, the first end cap, the second end cap and operation handle； Described control stick is movably connected in end cap by the first end cap and the second end cap, is provided with axle elasticity shelves in described control stick Circle, described control stick central authorities are flexibly connected with the upside of contiguous block by limited block；Described operation handle is fixedly connected by nut In control stick right-hand member.

Preferably, the angle that described operation handle swings is positive and negative 31.8 °.

Preferably, being provided with through hole on the upside of described operation handle.

The beneficial effects of the utility model：

（1）The utility model has simple, low production cost rational in infrastructure, easy for installation, multiple functional, can be effective Solve the problems, such as existing crane for ship cycle reversal valve due to valve element, case material and structure it may appear that in loading condition Under, the problems such as valve element can not automatically reset.

（2）The utility model reversal valve is lifted to valve body material, valve element is optimized simultaneously, increases balancing slit and sets Meter, can make valve element in big flow（600L/min）, high pressure（Pressure 35MPa）Lower smooth working.

Brief description：

For ease of explanation, the utility model is embodied as and accompanying drawing is described in detail by following.

Fig. 1 is structural representation of the present utility model.

Fig. 2 is the partial side view of structure of the present utility model.

1- base plate；2- screw；3- spring shim；4- valve element；5- valve body；Under 6- spring base；On 7- spring base；8- is spacing Pin；9- contiguous block；10- limited block；11- end cap；12- air bleeding valve；13- control stick；14- nut；15- shaft-use elastic gear ring；16- First end cap；17- second end cap；18- operation handle；19- back-moving spring.

Specific embodiment：

As shown in figure 1, this specific embodiment employs the following technical solutions：A kind of crane for ship cycle reversal valve, bag Include base plate 1, screw 2, spring shim 3, valve element 4, valve body 5,7, spacer pin 8 on 6, spring base under spring base, contiguous block 9, spacing Block 10, end cap 11, air bleeding valve 12 and back-moving spring 19；Screw 2 is passed through in described valve body 5 bottom and spring shim 3 is fixedly connected on Above base plate 1；Described valve element 4 is vertically movably connected in inside valve body 5；Under described spring base, 6 bottoms are located at valve body 5 upper interior On step surface, under described spring base, 6 inside top surface are connected with valve element 4 upside step surface；Described end cap 11 is fixedly connected on valve body 5 Above, described end cap 11 upper right is provided with air bleeding valve 12；On described spring base, 7 are located at valve body 5 upper interior, described spring base Upper 7 are connected with end cap 11 bottom above, on described spring base 7 and described spring base under be provided with back-moving spring 19 between 6；Described company Connect block 9 downside and valve element 4 top is hinged on by spacer pin 8.

Wherein, described valve body 5 is made up of spheroidal graphite cast-iron；Described valve element 4 is provided with balancing slit above.

As shown in Fig. 2 also including control stick 13, nut 14, shaft-use elastic gear ring 15, the first end cap 16, the second end cap 17 With operation handle 18；Described control stick 13 passes through the first end cap 16 and the second end cap 17 is movably connected in end cap 11, described behaviour It is provided with shaft-use elastic gear ring 15, described control stick 13 central authorities are flexibly connected with contiguous block 9 upside by limited block 10 in vertical pole 13； Described operation handle 18 is fixedly connected on control stick 13 right-hand member by nut 14.

Wherein, the angle that described operation handle 18 swings is positive and negative 31.8 °；It is provided with through hole on the upside of described operation handle 18.

Of the present utility model general principle and principal character and of the present utility model advantage, one's own profession have been shown and described above The technical staff of industry it should be appreciated that the utility model is not restricted to the described embodiments, described in above-described embodiment and specification Principle of the present utility model is simply described, on the premise of without departing from the utility model spirit and scope, the utility model is also Have various changes and modifications, these changes and improvements both fall within the range of claimed the utility model, the utility model Claimed scope is by appending claims and its equivalent thereof.

Claims

1. a kind of crane for ship cycle reversal valve it is characterised in that：Including base plate（1）, screw（2）, spring shim（3）, valve Core（4）, valve body（5）, under spring base（6）, on spring base（7）, spacer pin（8）, contiguous block（9）, limited block（10）, end cap （11）, air bleeding valve（12）And back-moving spring（19）；

Described valve body（5）Screw is passed through in bottom（2）And spring shim（3）It is fixedly connected on base plate（1）Above；

Described valve element（4）Vertically it is movably connected in valve body（5）Internal；

Under described spring base（6）Bottom is located at valve body（5）On upper interior step surface, under described spring base（6）Inside top surface with Valve element（4）Upside step surface is connected；

Described end cap（11）It is fixedly connected on valve body（5）Above, described end cap（11）Upper right is provided with air bleeding valve（12）；

On described spring base（7）Positioned at valve body（5）Upper interior, on described spring base（7）Above with end cap（11）Bottom is connected, On described spring base（7）Under described spring base（6）Between be provided with back-moving spring（19）；

Described contiguous block（9）Spacer pin is passed through in downside（8）It is hinged on valve element（4）Top.

2. a kind of crane for ship cycle reversal valve according to claim 1 it is characterised in that：Described valve body（5）By ball Black cast iron is made.

3. a kind of crane for ship cycle reversal valve according to claim 1 it is characterised in that：Described valve element（4）Above It is provided with balancing slit.

4. a kind of crane for ship cycle reversal valve according to claim 1 it is characterised in that：Also include control stick （13）, nut（14）, shaft-use elastic gear ring（15）, the first end cap（16）, the second end cap（17）And operation handle（18）；

Described control stick（13）By the first end cap（16）With the second end cap（17）It is movably connected in end cap（11）In, described manipulation Bar（13）In be provided with shaft-use elastic gear ring（15）, described control stick（13）Central authorities pass through limited block（10）With contiguous block（9）Upside It is flexibly connected；

Described operation handle（18）By nut（14）It is fixedly connected on control stick（13）Right-hand member.

5. a kind of crane for ship cycle reversal valve according to claim 4 it is characterised in that：Described operation handle（18） The angle swinging is positive and negative 31.8 °.

6. a kind of crane for ship cycle reversal valve according to claim 4 it is characterised in that：Described operation handle（18） Upside is provided with through hole.