CN2347953Y

CN2347953Y - Volume controllable liquid filling valve

Info

Publication number: CN2347953Y
Application number: CN 98220278
Authority: CN
Inventors: 刘耀宇
Original assignee: Individual
Current assignee: Individual
Priority date: 1998-02-15
Filing date: 1998-02-15
Publication date: 1999-11-10
Anticipated expiration: 2008-02-15

Abstract

The utility model relates to a volume controllable liquid filling valve for liquid filling. A valve body is sealed and connected to the bottom of a liquid storage pot; an upper valve core, a lower valve core and a valve closing spring are arranged in the main valve cavity of the valve body, and the upper valve core and the lower valve core are sheathed together; an upper valve pad with cambered tapered surfaces is arranged on the upper valve core, and a lower valve pad with cambered tapered surfaces is arranged on the lower valve core. The upper part of the lower valve core is provided with a vent tube which is mutually communicated with the atmosphere in the liquid storage pot, a regulation piston is arranged in the minor valve cavity of the valve body, and the outside of the valve body is provided with a cap-shaped nut and a sealing ring. The position of the regulation piston can be adjusted to change filling capacity and precision filling; the upper part of the lower valve core is sheathed with a deflector rod which is connected to the upper end of an ejector pin by a pin shaft, the ejector pin slips in a guiding liquid obstructing tube which is sealed and connected to the bottom of the liquid storage pot. The lower end of the ejector pin is provided with a reset spring and a bottle pressing head, the other end of the bottle pressing head is sheathed on the outside of the liquid filling tube positioned at the lower end of the valve body, and the upper part of the liquid filling pipe positioned at the lower end of the valve body is sheathed with a bumper pad.

Description

The capacitor tuning type precise quantity perfusion valve

The utility model relates to the device for casting technical field in the containers (following general designation bottle) such as liquid being injected 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 bottle volume and height error, the liquid volume that pours in the bottle is inequality.Though its measuring cup can be controlled in certain precision when adopting the Measuring glass pouring valve, but because the liquid fluctuating of receiver is bigger, guarantee that liquid level has enough degree of depth (to guarantee normal operation) just must strengthen the litre flask height to measuring cup is suitable for reading, so the slow inefficiency of filling speed; In addition, the capacity precision is also not high enough, structurally is difficult to address the leakage concern.

The purpose of this utility model is: a kind of liquid pouring valve of increasing work efficiency is provided; By adjusting the volume of perfusion valve pocket, can change groundwater increment and reach smart amount perfusion; Thoroughly solve the structure leakage problem.

The technical solution of the utility model is: it has sealing and is installed in valve body on the receiver chassis, and valve body has the master of connection to pay two valve pockets; Upper and lower spool and valve-closing spring are housed in the main valve chamber, but upper and lower valve core housing slide relative together is equipped with valve pad and following valve pad respectively on the upper and lower spool, seals when the valve of pass guaranteeing; Bottom spool top has a breather pipe to communicate with atmosphere in the receiver, and a fluted nut is adorned in the upper end, and upper valve core top blank pipe sky is enclosed within outside the bottom spool breather pipe, and its top has a packing ring and driving lever to separate; The valve body lower end filling tube is with outward presses the bottle head, and pressing on the bottle head has transpiration hole, presses a bottle other end to be contained in the push rod lower end of retracing spring; Push rod is contained in guiding in the liquid pipe, and guiding is every liquid pipe bottom and receiver sealed attachment, and driving lever is equipped with in the push rod upper end, and the other end of driving lever slides over outside the bottom spool breather pipe.

Bottleneck head on press the bottle head to rise to make the push rod driving lever with on move, under the power effect of valve-closing spring top, upper valve core is closed inlet with moving on the driving lever, and then driving lever is mentioned the open liquid outlet of bottom spool, reach the perfusion purpose, close liquid outlet otherwise bottom spool moves down, upper valve core is depressed by driving lever, open inlet, liquid enters valve pocket.Paying the valve pocket volume can be by adjusting adjusting piston to realize changing the purpose of groundwater increment and accurate adjustment, and adjustment finishes, and tightens acorn nut and rubber cushion seals cavity.

The utlity model has following advantage: the one, adjusting adjusting piston can precise adjustment valve pocket capacity, makes it to obtain accurate groundwater increment, and can also change the perfusion total amount and need not change parts.The 2nd, dwindled the litre flask height, saved the litre flask time, the time that makes liquid inject bottle obtains prolonging, thereby has accelerated rate of flooding; In addition, than other structure pouring valve, this valve liquid filling length of tube is short, and flow area has greatly also improved rate of flooding, so improved work efficiency.The 3rd, the liquid in-out mouth contacts rubber cushion with the conical surface, realizes switch and sealing, has reached the anxiety of sealing no leak.

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

Accompanying drawing is a longitudinal sectional view of the present utility model, and following valve pad (4) is in compressive state

At accompanying drawing is longitudinal sectional view of the present utility model, and following valve pad (4) is in compressive state.

In the embodiment that accompanying drawing provides, valve body of the present utility model (3) is by the bottom sealed attachment of bolt and " O " RunddichtringO and receiver (17); The master that valve body (3) has connection pays two valve pockets, and bottom spool (5) is housed in main valve chamber, valve-closing spring (6) and upper valve core (8); Upper valve core (8) is enclosed within bottom spool (5) middle part that slides up and down relatively with it, the last valve pad (7) of the arc conical surface is housed on it, the following valve pad (4) of the arc conical surface is equipped with in bottom spool (5) lower end, bottom spool (5) top has breather pipe to go directly to communicate with atmosphere on the interior liquid level of receiver (17), fluted nut (16) is equipped with on the top, and driving lever (14) slides over outside the following breather pipe of nut (16); Driving lever (14) right-hand member connects with push rod (13) upper end by bearing pin (12), and push rod (13) is contained in guiding in liquid pipe (11); By garden nut (10) and round section joint ring and receiver (17) sealed attachment, guiding is equipped with push rod sliding sleeve (15) to guiding in liquid pipe (11) every liquid pipe (11); The lower end of push rod (13) is equipped with retracing spring (9) and is connected with pressing bottle head (1) by screw thread; It is outer and have transpiration hole to press the left end of bottle head (1) to be enclosed within the filling tube of valve body (3) lower end, is set with cushion rubber (2) on the filling tube of valve body (3) lower end; Valve body (3) left side is paid in the valve pocket adjusting piston (18) is housed, and acorn nut (20) and packing seal (19) are equipped with in the outside.

Bottleneck promote to be pressed bottle head (1) to go upward to cushion rubber (2) and is at first made on the upper valve core (8) and move by push rod (13), bearing pin (12), driving lever (14) during work, by the curved circular conical surface of last valve pad (7) and the inlet inner conical surface sealing of valve body (3) upper end, mention bottom spool (5) then, open the liquid outlet of valve body (3) lower end, liquid flows to the bottle cavity, and gas is overflowed through pressing the transpiration hole on the bottle head (1) in the bottle; Liquid flows out valve pocket and produces in negative pressure enters valve body (3) by the breather pipe of receiver top air by bottom spool (5) top the valve pocket and replenish.Bottleneck descends, under the effect of retracing spring (9) and valve-closing spring (6), bottom spool (5) is descended, by the curved circular conical surface of valve pad (4) and the liquid outlet inner conical surface sealing of valve body (3) lower end down, driving lever (14) is depressed upper valve core (8) and is opened valve body (3) upper end inlet, the master that liquid in the receiver (17) enters valve body (3) pays in the valve pocket, and the interior gas of valve pocket then is expelled to receiver (17) liquid level superjacent air space by bottom spool (5) top breather pipe and is communicated with atmosphere.By adjusting adjusting piston (18) fine setting valve pocket capacity, can reach smart amount perfusion; If strengthen setting range, then can change filling capacity; Can eliminate rigid shock with cushion rubber (2).

Claims

1, the capacitor tuning type precise quantity perfusion valve, have the valve body (3) that is installed on the receiver (17) and be loaded on pressure bottle head (1) on the filling tube of valve body (3) lower end, press on bottle head (1) right-hand member retracing spring (9) and push rod (13) are housed, driving lever (14) is equipped with in push rod (13) upper end, driving lever (14) left end slides over outside the breather pipe of bottom spool (5), it is characterized in that: the master that valve body (3) has connection pays two valve pockets, bottom spool (5) and the upper valve core (8) and the valve-closing spring (6) of the free-running fit that is nested together are housed in main valve chamber, on bottom spool (5) top breather pipe is arranged, in paying valve pocket, adjusting piston (18) is housed, there is acorn nut (20) outside, packing seal (19), push rod (13) are contained in guiding in liquid pipe (11).

2, capacitor tuning type precise quantity perfusion valve according to claim 1, it is characterized in that: bottom spool (5) and upper valve core (8) are housed in the main valve chamber of valve body (3), valve pad under the arc conical surface (4) is housed on the bottom spool (5), valve pad on the arc conical surface (7) is housed on the upper valve core (8).

3, capacitor tuning type precise quantity perfusion valve according to claim 1, it is characterized in that: push rod (13) can slide up and down in push rod sliding sleeve (15), push rod sliding sleeve (15) is loaded on guiding in liquid pipe (11), guiding is inserted in the receiver (17), by circular nut (10) and " O " shape seal ring and receiver (17) sealed attachment at the bottom of jar every liquid pipe (11).

4, capacitor tuning type precise quantity perfusion valve according to claim 1, it is characterized in that: between the pressure bottle head (1) on valve body (3) and its lower end filling tube, cushion rubber (2) is housed, press bottle head (1) right-hand member and push rod (13) lower end to link, retracing spring (9) is arranged above it, press on the bottle head and have transpiration hole.

5, capacitor tuning type precise quantity perfusion valve according to claim 1, it is characterized in that: driving lever (14) left end slides over outside bottom spool (5) breather pipe, there is fluted nut to be fastened on the breather pipe upper end above, have big flat washer to be enclosed within breather pipe under it and be placed on upper valve core (8) blank pipe upper end, driving lever (14) right-hand member fuses by bearing pin (12) and push rod (13).