CN2356987Y

CN2356987Y - Liquid filling valve

Info

Publication number: CN2356987Y
Application number: CN 99220001
Authority: CN
Inventors: 刘耀宇; 李永喜
Original assignee: Individual
Current assignee: Individual
Priority date: 1999-02-12
Filing date: 1999-02-12
Publication date: 2000-01-05
Anticipated expiration: 2009-02-12

Abstract

The utility model relates to a liquid filling valve, which is to install a valve head and a guiding seat at the bottom of a liquid storage pot; the bottom of the valve head is provided with a valve body, an upper valve core and a lower valve core which are used for opening or closing the liquid inlet and the liquid outlet of a main valve chamber are movably installed in the guiding seat. A slip sleeve with a ring groove is sheathed at the upper end of the lower valve core; a derived normal device with a transverse groove on the outer side is sheathed at the outside of the liquid outlet passage of the lower end of the valve body; the bottom of the liquid storage pot is also provided with a guiding pipe; a slip ejector pin is arranged in the guiding pipe; the upper end and the lower end of the ejector pin are respectively provided with an upper shifting fork and a lower shifting fork; the end portions of the upper shifting fork and the lower shifting fork are respectively inserted into the ring groove of the slip sleeve and the transverse groove of the derived normal device. The utility model has rapid filling speed and high work efficiency, and can improve the precision of the filling.

Description

A kind of liquid pouring valve

The utility model relates to the device for casting technical field of liquid being injected in the packing containers such as bottle.

At present all there is a common shortcoming in liquid level pouring valve such as commonly used in filling liquid machinery, owing to be subjected to the influence of pouring valve structure and packing container volume and height error, the liquid volume that pours in the packing container is inequality.Though when adopting the Measuring glass pouring valve, can be controlled in certain precision, but because the liquid fluctuating that storage liquid is irritated interior is bigger, for guaranteeing that liquid level has enough degree of depth to measuring cup is suitable for reading, just must strengthen the packing container hoisting depth, so filling speed is slow, inefficiency, and filling accuracy is also not high enough, has insoluble leakage problem on the structure simultaneously.

The purpose of this utility model is will provide a kind of to increase work efficiency and the liquid pouring valve of filling accuracy.

For achieving the above object, the technical solution of the utility model is: it comprise the valve head that is fixedly installed in receiver bottom and on have the guide bracket of plum blossom hole, the valve body that the lower end has liquid outlet channel is housed below the valve head.The upper valve core that the lower end that can slide up and down has conical surface plush copper is housed in the guide bracket, is with valve pad on the conical surface plush copper, be used to seal the inlet on the valve head.The bottom spool that can slide up and down is housed in the upper valve core, and the bottom spool lower end also has conical surface plush copper, is with down valve pad 9 on it, is used for the liquid outlet of closed valve lower end, and two conical surface plush coppers of upper and lower spool lower end are asked the valve-closing spring that is sleeved on the bottom spool.Having its outside that is sleeved on the bottom spool to have the sliding sleeve of annular groove above the upper valve core, there is nut and the tracheae that is contained in the bottom spool upper end sliding sleeve top, and the ventilation orifice at bottom spool middle part communicates with atmosphere by this tracheae.The sylphon seal that tightens by the end between upper valve core, tracheae and sliding sleeve.Also be installed with conduit bottom receiver, the push rod of slippage up and down is housed in the conduit, the push rod upper end is equipped with upper shift fork, and pitch in the annular groove of sliding sleeve the end of upper shift fork, the sylphon seal that is also tightened by two ends between push rod upper end and conduit.Lower shift fork is equipped with in the lower end of push rod, is set with the orientating device that the outside has translot outside the liquid outlet channel of valve body lower end, and pitch in the translot of orientating device the lower shift fork end.Bottom at conduit is set with retracing spring.

The utility model also has a plunger shaft that communicates with main valve chamber in a side of valve body, and piston is housed in the plunger shaft, and nut cap is equipped with in the outer end of plunger shaft.

Packing container rises at first by the orientating device correcting and heads on orientating device and rises together, make lower shift fork, push rod, upper shift fork and sliding sleeve with on move, under the effect of valve-closing spring power, upper valve core is closed inlet with moving on the sliding sleeve, and then sliding sleeve mentions the open liquid outlet channel of bottom spool, reaches the perfusion purpose; Otherwise bottom spool moves down, and closes liquid outlet channel, and upper valve core is depressed by sliding sleeve, open inlet, and liquid enters valve pocket.Change the purpose that the valve pocket volume can realize changing groundwater increment and accurate adjustment by adjusting piston.

The utlity model has following advantage: the one, by piston energy precise adjustment valve pocket capacity, its setting range is big, adapt to wide, last valve head lower surface, all adopt cone structure at the bottom of upper valve core lower surface and the valve, be convenient to gas and upwards discharge valve pocket and the downward inflow and outflow valve pocket of liquid, greatly improved filling accuracy.The 2nd, the short passage section of liquid outlet channel is big, comprises that the container hoisting depth shortens, and has saved the time, and the time that makes liquid inject packing container obtains prolonging, thereby has accelerated rate of flooding, has improved work efficiency.The 3rd, upper valve core and push rod be independent pilot separately, and the motion flexibility and reliability has further improved filling accuracy.

Accompanying drawing is a longitudinal sectional view of the present utility model, shows its integral structure.

Below in conjunction with drawings and Examples structure of the present utility model is further described.

In the embodiment that accompanying drawing provides, valve head 33 of the present utility model connects with the bottom of receiver 32 by bolt and seal ring 18, and conduit 20 connects with the bottom of receiver 32 by nut 19 and seal ring 16.Valve head 33 has the taper inlet, valve body 8 is housed under it and by seal ring 15 sealings, guide bracket 31 is housed on it.Valve body 8 has the plunger shaft of main valve chamber and one side, and seal ring 34 and piston 36 are housed in the plunger shaft, and the screw rod of piston 36 screws in nut cap 35, and the outside thread of nut cap 35 usefulness screw threads and plunger shaft is fastening.Bottom spool 10, upper valve core 13 and two ends are housed in the main valve chamber head on bottom spool 10 and upper valve core 13 valve-closing springs 11 respectively.Bottom spool 10 is enclosed within the upper valve core 13, and its lower end has two circular conical surfaces and is with down valve pad 9, and upper valve core 13 lower ends have two circular conical surfaces and are with valve pad 14.The upper end of bottom spool 10 and upper valve core 13 is stretched in the receiver 32 together.Bottom spool 10 upper ends are connecting nut 28 and tracheae 26, and the ventilation orifice at its middle part communicates with atmosphere by tracheae 26.Upper valve core 13 slides in the guide bracket 31, and its upper end is touched mutually with the sliding sleeve 29 that has annular groove.Sliding sleeve 29 is enclosed within bottom spool 10 upper ends.Outside at tracheae 26, sliding sleeve 29 and upper valve core 13 seals with flexible bellow 27 and annular clamp 30.Valve body 8 lower ends are the liquid outlet channels that have bell.Upper guide bush 21, following guide pin bushing 17 and push rod 24 are housed in the conduit 20, also seal between push rod 24 and the conduit 20 with bellows 22 and clamp 30.Upper shift fork 23 and nut 25 are equipped with in push rod 24 upper ends, and another end yoke of upper shift fork 23 is in the annular groove of sliding sleeve 29.Retracing spring 12, interstage sleeve 6, pin 7, lower shift fork 5 and nut 4 are equipped with in push rod 24 lower ends, the upper end of retracing spring 12 heads on the boss at conduit 20 middle parts, the lower end heads on interstage sleeve 6, another end yoke of lower shift fork 5 is in the translot of orientating device 1, orientating device 1 slides over outside the liquid outlet channel of valve body 8 lower ends, the downside of its translot is equipped with holder ball pin 2 and steel ball 3, and has deflation hole.

The packing container rising promotes orientating device 1 and goes upward to valve body 8 bottom surfaces during work, and promotes to move on the lower shift forks 5 by holder ball pin 2, steel ball 3.Lower shift fork 5 is upwards passed push rod 24, upper shift fork 23, sliding sleeve 29 by interstage sleeve 6, pin 7 simultaneously.Move at first making on the upper valve core 13 under the effect of valve-closing spring 11, by the taper inlet sealing of last valve pad 14 with valve head 33, sliding sleeve 29 touching nuts 28 are mentioned bottom spool 10 then, open the liquid outlet channel of valve body 8 lower ends, and liquid flows to packing container.The deflation hole of gas in the packing container on orientating device 1 discharged.The air of receiver 32 outsides enters in the valve pocket by the ventilation orifice on tracheae 26 and the bottom spool 10, and packing container descends, and under the effect of retracing spring 12, by interstage sleeve 6, pin 7, push rod 24, upper shift fork 23 and sliding sleeve 29 is moved down.Under the effect of valve-closing spring 11, bottom spool 10 descends, by the bell sealing of following valve pad 9 with valve body 8 lower ends, close liquid outlet channel, sliding sleeve 29 is touched upper valve cores 13 and it is pressed down then, opens the inlet of valve head 33, and the liquid in the receiver 32 flow in the valve pocket through the plum blossom hole of guide bracket 31.Gas in the valve pocket is then by the ventilation orifice and tracheae 26 exhaust to atmospheres at bottom spool 10 middle parts.When the liquid in the valve pocket flooded the ventilation orifice at spool 10 middle parts, a small amount of gas passed liquid exhaust to atmosphere in the receiver 32 by the plum blossom hole of the inlet of valve head 33 and guide bracket 31.Change the valve pocket volume by adjusting piston 36, can adapt to the can of the packing container of different capabilities.

Claims

1, a kind of liquid pouring valve, it is characterized in that comprising the valve head (33) that is fixedly installed in receiver (32) bottom and on have the guide bracket (31) of plum blossom hole, the valve body (8) that the lower end has liquid outlet channel is housed below the valve head (33); The upper valve core (13) that the lower end that can slide up and down has conical surface plush copper is housed in the guide bracket (31), is with valve pad (14) on the conical surface plush copper, be used to seal the inlet on the valve head (33); The bottom spool that can slide up and down (10) is housed in the upper valve core (13), bottom spool (10) lower end also has conical surface plush copper, be with down valve pad (9) on it, the liquid outlet that is used for the closed valve lower end has the valve-closing spring (11) that is sleeved on the bottom spool (10) between two conical surface plush coppers of upper and lower spool lower end; Have its outside that is sleeved on the bottom spool (10) have the sliding sleeve (29) of annular groove in the top of upper valve core (13), sliding sleeve (29) top has the ventilation orifice at the nut (28) that is contained in bottom spool (10) upper end and tracheae (26), bottom spool (10) middle part to communicate with atmosphere by this tracheae (26); The sylphon seal that tightens by the end between upper valve core (13), tracheae (26) and sliding sleeve (29); Also be installed with conduit (20) in receiver (32) bottom, the push rod (24) of slippage up and down is housed in the conduit (20), push rod (24) upper end is equipped with upper shift fork (23), pitch in the annular groove of sliding sleeve (29) end of upper shift fork (23), the sylphon seal that is also tightened by two ends between push rod (24) upper end and conduit (20); Lower shift fork (5) is equipped with in the lower end of push rod (24), is set with the orientating device (1) that the outside has translot outside the liquid outlet channel of valve body (8) lower end, and pitch in the translot of orientating device (1) lower shift fork (5) end; Be set with retracing spring (12) in the bottom of conduit (20).

2, liquid pouring valve according to claim 1 is characterized in that also having a plunger shaft that communicates with main valve chamber in a side of valve body (8), and piston (36) is housed in the plunger shaft, and nut cap (35) is equipped with in the outer end of plunger shaft.

3, liquid pouring valve according to claim 1 is characterized in that the downside of the translot on orientating device (1) is equipped with holder ball pin (2) and steel ball (3.