CN201694815U

CN201694815U - Filling valve

Info

Publication number: CN201694815U
Application number: CN2010202282809U
Authority: CN
Inventors: 黄文金; 郑长发; 郭艾
Original assignee: Hefei Zhongchen Light Industrial Machinery Co Ltd
Current assignee: Hefei Zhongchen Light Industrial Machinery Co Ltd
Priority date: 2010-06-09
Filing date: 2010-06-09
Publication date: 2011-01-05
Anticipated expiration: 2020-06-09

Abstract

The utility model discloses a filling valve. The filling valve comprises a valve seat connected with a material tank, wherein a vertical material channel is formed in the valve seat, a valve head is fixedly arranged in the material channel, a lower exhaust pipe is arranged in the valve head in a penetrating manner, an upper exhaust pipe penetrates the upper part of the valve seat, a sliding sleeve is mounted on the inner wall of the material channel in a sliding manner, a transverse valve rod sleeve is mounted in the valve seat, a valve rod is mounted in the valve rod sleeve in a sliding manner, a seal ring is arranged at the front end of the valve rod, a negative pressure channel is formed on the valve seat in front of the valve rod and is hermetically matched with the seal ring, a return spring is arranged between the front end of the valve rod and the valve seat, and a cam hold-down strip is pressed at the rear end of the valve rod. The utility model has the advantages that the additionally-arranged negative pressure channel can realize accurate level correction when the valve is closed to complete the filling, and is opened when bottles enter or get out of the valve, so as to eliminate material dripping at the valve port, and achieve convenient and accurate level control.

Description

A kind of filling valve

Technical field

The utility model relates to the filling liquid field, specifically belongs to a kind of filling valve.

Background technology

Filling valve is a kind of device that pours into beverage, and existing filling valve is after material channel is opened, and the material by gravity in the material cylinder enters in the bottle, and the residual air in the bottle is outside freeing pipe is discharged bottle simultaneously; Defectives such as the place, bottom of freeing pipe is when the material liquid level arrives down, and the exhaust passage is closed, thereby can finishes, and liquid level is basicly stable, and to decide level accuracy not high but exist, and the control difficulty is big.

The utility model content

The purpose of this utility model provides a kind of filling valve, has set up negative pressure channel, and valve cuts out end and can carry out liquid level and accurately proofread and correct, and negative pressure channel is opened during the turnover bottle, guarantees that valve port empty gob leaks phenomenon, and liquid level control is accurately convenient.

The technical solution of the utility model is as follows:

A kind of filling valve, include the valve seat of connecting with the material cylinder, have vertical material channel in the valve seat, the material channel below is equipped with valve port, be set with valve head in the material channel, passed down freeing pipe in the valve head, freeing pipe has been passed on the top of valve seat, last freeing pipe connects with following freeing pipe, stretch out more than the material cylinder liquid level upper end of last freeing pipe, and following freeing pipe extend in the bottle, and described material channel inwall is slidingly fitted with sliding sleeve, be equipped with spring between sliding sleeve and the valve seat, the bottom of valve head and sliding sleeve is a cone match; Horizontal valve stem sleeve is installed in the valve seat, be slidingly fitted with valve rod in the valve stem sleeve, the front end of valve rod has seal ring, and the valve seat in valve rod the place ahead offers negative pressure channel and described seal ring is sealed and matched, be provided with pull back spring between the front end of valve rod and the valve seat, the rear end is pressed and is equipped with the cam press strip.

Described valve head bottom is installed with packing seal, is sealed and matched between packing seal and the sliding sleeve.

Described valve port internal fixation is equipped with collector ring.

The utility model is to act on valve rod rear end by the cam press strip, valve rod is depressed, pull back spring pressurized compression simultaneously, this moment, the seal ring place opened, realize negative pressure channel and following freeing pipe connection, go up the freeing pipe pathway closure simultaneously, unnecessary material enters freeing pipe down in the bottle under differential pressure action at this moment, flow back into the backflow cylinder by negative pressure channel again, therefore liquid level can accurately be set according to the length of following freeing pipe in the bottle.

The utility model has been set up negative pressure channel, and valve cuts out end and can carry out liquid level and accurately proofread and correct, and negative pressure channel is opened during the turnover bottle, guarantee that valve port empty gob leaks phenomenon, liquid level control is accurately convenient: the utlity model has simple in structurely, cost of manufacture is low, controls advantages such as easy.

Description of drawings

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

The specific embodiment

Referring to accompanying drawing, a kind of filling valve, include the valve seat of connecting with material cylinder 15 12, have vertical material channel 16 in the valve seat 12, the material channel below is equipped with valve port 5, be set with valve head 4 in the material channel, passed down freeing pipe 14 in the valve head, freeing pipe 13 has been passed on the top of valve seat 12, and last freeing pipe connects with following freeing pipe, stretch out more than material cylinder 15 liquid levels upper end of last freeing pipe, following freeing pipe extend in the bottle, and the material channel inwall is slidingly fitted with sliding sleeve 8, is equipped with spring 9 between sliding sleeve 8 and the valve seat 12, the bottom of valve head and sliding sleeve is that cone match valve head bottom is installed with packing seal 7, is sealed and matched between packing seal 7 and the sliding sleeve 8; Horizontal valve stem sleeve 10 is installed in the valve seat, be slidingly fitted with valve rod 11 in the valve stem sleeve, the front end of valve rod 11 has seal ring 2, the valve seat in valve rod the place ahead offers negative pressure channel 17 and is sealed and matched with seal ring 2, be provided with pull back spring 1 between the front end of valve rod and the valve seat, the rear end is pressed and is equipped with cam press strip 18.

Concrete operations flow process of the present utility model is as follows:

1, goes up the bottle stage

The machine normal operation, empty bottle advances bulking system, under centering machine and lift system effect, bottle rises and centering can valve port, bottle raising force compression spring 9. sliding sleeves 8 rise, packing seal 7 places open, thus the valve material channel open, enter pouring process;

2, the valve can stage

After material channel was opened, the material by gravity in the material cylinder entered in the bottle, and the residual air in the bottle is discharged in the bottle from upper and lower freeing pipe 13,14 simultaneously; When the material liquid level arrives freeing pipe 14 places down, the exhaust passage is closed, thereby can finishes, and liquid level is basicly stable, but that this kind decided level accuracy is not high, just enters the accurate calibration phase of liquid level below;

3, the accurate calibration phase of liquid level

Act on valve rod rear end by the cam press strip, valve rod 11 is depressed, pull back spring 1 pressurized compression simultaneously, this moment, the seal ring place opened, realize negative pressure channel and following freeing pipe connection, go up the freeing pipe pathway closure simultaneously, unnecessary material enters freeing pipe 14 down in the bottle under differential pressure action at this moment, flow back into the backflow cylinder by negative pressure channel 17 again, therefore liquid level can accurately be set according to the length of following freeing pipe 14 in the bottle;

4, the bottle decline bottle outlet stage

Behind the level stability, under the lift system effect, bottle enters the decline stage, at this moment spring 9 restores to the original state by compression, and sliding sleeve 8 descends, and packing seal 7 forms sealing with sliding sleeve 8 again, thereby the valve material channel is closed, at this moment the cam press strip still acts on the rear end of valve rod 11, and negative pressure channel is opened always, is forming negative pressure in freeing pipe 14 pipes down, prevent the residual material water clock, when next empty bottle entered, the effect of cam press strip finished, pull back spring 1 return, valve rod 11 return-to-home positions, seal ring 2 sealing negative pressure channels, last freeing pipe passage is opened, thereby enters can working cycle next time.

Claims

1. filling valve, include the valve seat of connecting with the material cylinder, have vertical material channel in the valve seat, the material channel below is equipped with valve port, be set with valve head in the material channel, passed down freeing pipe in the valve head, freeing pipe has been passed on the top of valve seat, last freeing pipe connects with following freeing pipe, stretch out more than the material cylinder liquid level upper end of last freeing pipe, following freeing pipe extend in the bottle, it is characterized in that: described material channel inwall is slidingly fitted with sliding sleeve, be equipped with spring between sliding sleeve and the valve seat, the bottom of valve head and sliding sleeve is a cone match: horizontal valve stem sleeve is installed in the valve seat, is slidingly fitted with valve rod in the valve stem sleeve, the front end of valve rod has seal ring, the valve seat in valve rod the place ahead offers negative pressure channel and described seal ring is sealed and matched, and is provided with pull back spring between the front end of valve rod and the valve seat, and the rear end is pressed and is equipped with the cam press strip.

2. filling valve according to claim 1 is characterized in that: described valve head bottom is installed with packing seal, is sealed and matched between packing seal and the sliding sleeve.

3. filling valve according to claim 1 is characterized in that: described valve port internal fixation is equipped with collector ring.