CN109319712A

CN109319712A - A kind of adjustable filling valve of regurgitant volume

Info

Publication number: CN109319712A
Application number: CN201811471925.9A
Authority: CN
Inventors: 唐志华; 唐光海; 王晶; 张捷
Original assignee: Jiangsu Hui River Packaging Machinery Co Ltd
Current assignee: Jiangsu Hui River Packaging Machinery Co Ltd
Priority date: 2018-12-04
Filing date: 2018-12-04
Publication date: 2019-02-12

Abstract

The present invention relates to a kind of adjustable filling valves of regurgitant volume, including upper valve base, leather cup, upper valve body, sliding sleeve, the first compressed spring, lower valve body, seal joint, muffler, bottleneck pad, gasket, valve rod, bushing, screw, anti-overflow cover and orifice union；Orifice union includes cylinder sleeve, briquetting, the second compressed spring, locking nut, backflow fittings, ventilating joint, spacing block, piston, guiding piece, pressing plate and throttling rod；The present invention has regurgitant volume adjustable function, substantially increases filling level accuracy；And it is internal without cleaning dead angle.

Description

A kind of adjustable filling valve of regurgitant volume

Technical field

The present invention relates to a kind of adjustable filling valves of regurgitant volume.

Background technique

Filling valve is the critical component in bottle placer, and material flows into bottle from cylinder via filling valve, the object of different medium Expect its sliminess difference, and material reflux is there are certain inertia, for material preferable for mobility, because inertia causes Level error it is little, but for the material poor for mobility, if regurgitant volume is too big, can be caused due to inertia biggish Level error, therefore need accurately to control liquid level when passing through filling valve, the regurgitant volume of existing filling valve is fixed not It is adjustable, material liquid level to be achieved can not be accurately controlled according to material sliminess when filling, and internal presence is defended Life and death angle, needs further improvement.

Summary of the invention

In view of the above-mentioned state of the art, technical problem to be solved by the present invention lies in provide one kind to have regurgitant volume Adjustable function substantially increases filling level accuracy, and the internal adjustable filling valve of regurgitant volume without cleaning dead angle.

The technical scheme of the invention to solve the technical problem is: a kind of adjustable filling valve of regurgitant volume, packet Include upper valve base, leather cup, upper valve body, sliding sleeve, the first compressed spring, lower valve body, seal joint, muffler, bottleneck pad, gasket, Valve rod, bushing, screw, anti-overflow cover and orifice union, which is characterized in that sliding sleeve, the cunning are provided with below the upper valve base The upper end inside of the bushing for being internally embedded slip of set, the bushing is provided with leather cup, and the bushing is internally provided with Upper valve body, the upper valve body are located at the lower section of leather cup, and the lower end outside of the bushing is arranged with lower valve body；Under the lower valve body End is provided with seal joint, and first compressed spring is set in the outside of sliding sleeve, and the inside of upper valve body is arranged in the valve rod, The upper end of the valve rod is inserted upwardly into upper valve base；The lower end of the valve rod is provided with dismountable muffler, the return-air It is arranged on pipe and is fixed with anti-overflow cover；The lower end outside of valve rod is arranged in the gasket；Between the lower valve body and seal joint It is provided with bottleneck pad；Screw is provided with above the upper valve base, the end of thread insertion of the screw is screwed onto the upper end of valve rod It is internal；The side of the upper valve body is provided with orifice union.

Preferably, the inside of the upper valve body offers movable chamber, and the lower end inner wall of the movable chamber has been outwardly formed lock The lower end in tight portion, the valve rod has been outwardly formed valve head；The gasket be arranged and be embedded on the outside of the upper end of valve head and with lock Tight portion cooperates.

Preferably, it has been outwardly formed support side on the outside of the upper end of the lower valve body, the inside of the lower valve body is formed with first Cushion chamber, the bottom center of first cushion chamber have been outwardly formed first boss, and the upper center of the first boss opens up There is first through hole.

Preferably, the lower end center of the valve head offers the second cushion chamber, the bottom center of second cushion chamber to It is formed with second boss outside；The downside center of the second boss offers ventilation counterbore, and the upper end insertion of the muffler is solid It is scheduled on the lower inner part of ventilation counterbore；The lower end of the muffler passes through first through hole, bottleneck pad and seal joint and reaches The outside of seal joint.

Preferably, heavy chamber is offered below the upper valve base, the heavy chamber is located at the surface of leather cup, accordingly, institute It states and has been outwardly formed spacing collar on the outside of the upper end of valve rod, be fitted on the upside of the spacing collar on the bottom surface of heavy chamber.

Preferably, telescopic hole and the second through-hole are offered above the upper valve base, the telescopic hole and the second through-hole are equal It is interconnected with heavy chamber；Accommodating cavity is offered on the middle part inner wall of the telescopic hole；The upper end of the valve rod is inserted in telescopic hole In, third through-hole is offered on the outside of the upper end of the valve rod, the position of the third through-hole and the position of accommodating cavity cooperate, The inner end of the third through-hole is orthogonal with ventilation counterbore and is connected to.

Preferably, the upper end side of the upper valve base has been outwardly formed tray, offers pressure chamber above the tray With the first air intake duct, reflux road is offered on the inner wall of the pressure chamber, the other end in the reflux road is mutually interconnected with accommodating cavity It is logical；Return port is offered on the bottom surface of the pressure chamber.

Preferably, the orifice union includes cylinder sleeve, briquetting, the second compressed spring, locking nut, backflow fittings, ventilation Connector, spacing block, piston, guiding piece, pressing plate and throttling rod；Ventilating joint insertion is fixed on the outside of tray and with first The lower end of air intake duct is interconnected, and the cylinder sleeve is fixed on the surface on tray and being located at pressure chamber, the top of the cylinder sleeve It is fixed with briquetting, the briquetting is internally provided with vertically sliding movable guiding piece, and the spacing block is embedded in the upper end of cylinder sleeve Inside, the briquetting and cylinder sleeve are internally provided with throttling rod, are arranged on the throttling rod and are fixed with piston, the throttling rod Upper end passes through spacing block and briquetting and the upper outer for reaching briquetting, the locking nut are arranged the upper end for being screwed onto throttling rod And it is located at the top of briquetting, second compressed spring is set in outside throttling rod and the inside of briquetting is arranged in, and the reflux connects The outer sheath of head is equipped with pressing plate, and the pressing plate is fixed on the downside of tray.

Preferably, the lower end of the throttling rod is inserted at the upper end opening in pressure chamber and with return port and cooperates, The piston is located in plunger shaft and can move up and down along plunger shaft；The upper end of second compressed spring resists under guiding piece The lower end of side, second compressed spring resists the upside of spacing block.

Preferably, plunger shaft and the second air intake duct are offered on the downside of the cylinder sleeve, are opened up on the inner wall of the plunger shaft There is third air intake duct, the upper end of second air intake duct is orthogonal with third air intake duct and is connected to, the lower end of second air intake duct Connection is corresponded to each other with the upper end of the first air intake duct；The inside of the backflow fittings offers return flow line, return flow line with return Discharge orifice corresponds to each other connection.

Compared with the prior art, the advantages of the present invention are as follows: the present invention has regurgitant volume adjustable function, substantially increases filling Fill level accuracy；The setting of first cushion chamber and the second cushion chamber can make material when passing through filling valve, by internal residual Material washes away completely, so that without cleaning dead angle inside filling valve.

Detailed description of the invention

Fig. 1 is sectional structure chart of the invention.

Specific embodiment

As shown in Figure 1, a kind of adjustable filling valve of regurgitant volume, including upper valve base 1, leather cup 2, upper valve body 3, sliding sleeve 4, First compressed spring 5, lower valve body 6, seal joint 7, muffler 8, bottleneck pad 9, gasket 10, valve rod 11, bushing 17, screw 20, anti-overflow cover 21 and orifice union；The lower section of upper valve base 1 is provided with sliding sleeve 4, the bushing for being internally embedded slip of sliding sleeve 4 17, the upper end inside of bushing 17 is provided with leather cup 2, and bushing 17 is internally provided with upper valve body 3, and upper valve body 3 is located at leather cup 2 Lower section, the lower end outside of bushing 17 are arranged with lower valve body 6；The lower end of lower valve body 6 is provided with seal joint 7, the first compressed spring 5 It is set in the outside of sliding sleeve 4, the inside of upper valve body 3 is arranged in valve rod 11, and the upper end of valve rod 11 is inserted upwardly into upper valve base 1； The lower end of valve rod 11 is provided with dismountable muffler 8, is arranged on muffler 8 and is fixed with anti-overflow cover 21；The setting of gasket 10 exists The lower end outside of valve rod 11；The side of upper valve body 3 is provided with orifice union；Bottle is provided between lower valve body 6 and seal joint 7 Mouth pad 9；The top of upper valve base 1 is provided with screw 20, and the end of thread insertion of screw 20 is screwed onto inside the upper end of valve rod 11；Sliding sleeve 4 upper end has been outwardly formed flange 41, and the upside of flange 41 is fixed on the downside end face of upper valve base 1, the upper end-face edge of leather cup 2 It is embedded between upper valve base 1 and flange 41；The inside of upper valve body 3 offers movable chamber 32, and the lower end inner wall of movable chamber 32 is outside It is formed with tight lock part 31；Support side 64 is outwardly formed on the outside of the upper end of lower valve body 6, the upper end of the first compressed spring 5, which is held out against, to be turned over On the downside side on side 41, the lower end of the first compressed spring 5 is held out against on the upside side on support side 64；The inside shape of lower valve body 6 At there is the first cushion chamber 61, the bottom center of the first cushion chamber 61 has been outwardly formed first boss 62, the upside of first boss 62 Center offers first through hole 63；The lower end of valve rod 11 has been outwardly formed valve head 111, and the lower end center of valve head 111 offers The bottom center of two cushion chambers 112, the second cushion chamber 112 has been outwardly formed second boss 113；In the downside of second boss 113 The heart offers ventilation counterbore 115, and the upper end insertion of muffler 8 is fixed on the lower inner part of ventilation counterbore 115；Under muffler 8 End is across first through hole 63, bottleneck pad 9 and seal joint 7 and the outside for reaching seal joint 7；Gasket 10 is arranged and is embedded in It cooperates on the outside of the upper end of valve head 111 and with tight lock part 31；The lower section of upper valve base 1 offers heavy chamber 107, heavy 107, chamber In the surface of leather cup 2, accordingly, spacing collar 114, the upside patch of spacing collar 114 are outwardly formed on the outside of the upper end of valve rod 11 It closes on the bottom surface of heavy chamber 107；The top of upper valve base 1 offers telescopic hole 106 and the second through-hole 101, telescopic hole 106 and second Through-hole 101 is interconnected with heavy chamber 107；Accommodating cavity 105, the upper end of valve rod 11 are offered on the middle part inner wall of telescopic hole 106 It is inserted in telescopic hole 106, offers third through-hole 116, the position of third through-hole 116 and accommodating cavity on the outside of the upper end of valve rod 11 105 position cooperates, and the inner end of third through-hole 116 is orthogonal with ventilation counterbore 115 and is connected to；The upper end side of upper valve base 1 It is outwardly formed tray 103, the top of tray 103 offers pressure chamber 104 and the first air intake duct 108, the inner wall of pressure chamber 104 On offer reflux road 102, flow back road 102 the other end and accommodating cavity 105 be interconnected；It is opened up on the bottom surface of pressure chamber 104 There is return port 109；Orifice union includes cylinder sleeve 19, briquetting 18, the second compressed spring 15, locking nut 16, backflow fittings 12, leads to Gas connector 22, spacing block 24, piston 23, guiding piece 26, pressing plate 13 and throttling rod 14；The insertion of ventilating joint 22 is fixed on tray 103 outside is simultaneously interconnected with the lower end of the first air intake duct 108, and cylinder sleeve 19 is fixed on tray 103 and is located at pressure chamber 104 Surface, cylinder sleeve 19 is fixedly arranged above briquetting 18, and briquetting 18 is internally provided with vertically sliding movable guiding piece 26, separates Block 24 is embedded in inside the upper end of cylinder sleeve 19, and briquetting 18 and cylinder sleeve 19 are internally provided with throttling rod 14, is arranged on throttling rod 14 It is fixed with piston 23, the upper end of throttling rod 14 passes through spacing block 24 and briquetting 18 and the upper outer for reaching briquetting 18, locking Nut 16 is arranged the upper end for being screwed onto throttling rod 14 and is located at the top of briquetting 18, and the lower end of throttling rod 14 is inserted in pressure chamber It cooperates in 104 and at the upper end opening of return port 109, the second compressed spring 15, which is set in outside throttling rod 14 and is arranged, to exist The inside of briquetting 18, the upper end of the second compressed spring 15 resist the downside of guiding piece 26, and the lower end of the second compressed spring 15 resists The upside of spacing block 24；The downside of cylinder sleeve 19 offers plunger shaft 193 and the second air intake duct 191, and piston 23 is located at plunger shaft 193 In and can be moved up and down along plunger shaft 193, third air intake duct 192, the second air intake duct 191 are offered on the inner wall of plunger shaft 193 Upper end it is orthogonal with third air intake duct 192 and be connected to, the lower end of the second air intake duct 191 and the upper end of the first air intake duct 108 are mutual Corresponding connection；The outer sheath of backflow fittings 12 is equipped with pressing plate 13, and pressing plate 13 is fixed on the downside of tray 103, so that reflux be connect First 12 are fixed on the downside of tray 103；The inside of backflow fittings 12 offers return flow line 121, return flow line 121 and return port 109 correspond to each other connection.

Working principle: filling bottle will be needed to be placed in bracket 25, the bottleneck of bottle is inserted upwardly into seal joint 7 simultaneously It heads on bottleneck pad 9 to move up, while lower valve body 6 being driven to move up, the bushing 17 set on 6 inside of lower valve body can be in sliding sleeve 4 Portion's upward sliding, and then upper valve body 3 is driven to move up, so that tight lock part 31 is detached from the gasket 10 being located on valve head 111, Bottleneck pad 9 compresses bottleneck, plays sealing function；And the lower end of muffler 8 is inserted in bottle interior, the outer side edges of anti-overflow cover 21 Edge is fitted on the bottleneck inner wall of bottle；Material is entered in heavy chamber 107 and movable chamber 32 via the second through-hole 101, is connect , material can fall on down in the first cushion chamber 61 and bottom out upwards rebound to the inside of the second cushion chamber 112, then under fall on first It in through-hole 63, is finally circulated into bottle, material can splash up after touching bottom of bottle, and anti-overflow cover 21 can prevent material to spluttering Out；After material is full of bottle, original gas and extra material can be upwardly into muffler 8 in bottle, then via ventilation counterbore 115 and third through-hole 116 enter accommodating cavity 105, then by accommodating cavity 105 via reflux road 102 enter pressure chamber 104, most pass through afterwards Outside is flowed back by return port 109 and return flow line 121 to be collected；Pressed gas is passed into first via ventilating joint 22 In air intake duct 108, then successively enter the plunger shaft for being located at 23 top of piston via the second air intake duct 191 and third air intake duct 192 In 193, and then piston 23 is pulled down, to drive the lower end of throttling rod 14 to be inserted into inside the upper end of return port 109, in turn Change material return flow by changing effective circulation diameter of return port 109, locking nut 16 defines throttling rod 14 Move down extreme position；After pressed gas stopping is passed through, the air pressure in the plunger shaft 193 above piston 23 reduces, traction Block 26 can move up under the bounce effect that the second compressed spring 15 generates, and then throttling rod 14 is driven to move up and finally return Initial position is arrived again, and return flow at this time reaches maximum；After filling, bottle is taken out, lower valve body 6 can compress bullet first The elastic force effect of spring 5 is lower to drive seal joint 7 to move down together downwards, so that tight lock part 31 is mutually pressed with gasket 10 again Tightly, to turn off material；The length of muffler 8 can be replaced according to the different liquid level demand of bottle, and replacement facilitates fast It is prompt.

Filling valve is the critical component in bottle placer, and material flows into bottle from cylinder via filling valve, the object of different medium Expect its sliminess difference, and material reflux is there are certain inertia, for material preferable for mobility, because inertia causes Level error it is little, but for the material poor for mobility, if regurgitant volume is too big, can be caused due to inertia biggish Level error, therefore need accurately to control liquid level when passing through filling valve, the regurgitant volume of existing filling valve is fixed not It is adjustable, material liquid level to be achieved can not be accurately controlled according to material sliminess when filling, and internal presence is defended Life and death angle；The present invention has regurgitant volume adjustable function, substantially increases filling level accuracy；First cushion chamber 61 and the second buffering The setting of chamber 112 can make material when passing through filling valve, and the material of internal residual is washed away completely, so that nothing inside filling valve Clean dead angle.

Finally, it should be noted that the above embodiments are merely illustrative of the technical solutions of the present invention, rather than its limitations；Although Present invention has been described in detail with reference to the aforementioned embodiments, it will be understood by those of skill in the art that it still can be right Technical solution documented by foregoing embodiments is modified, or is replaced on an equal basis to part of technical characteristic；And this It modifies or replaces, the spirit and model of technical solution of various embodiments of the present invention that it does not separate the essence of the corresponding technical solution It encloses.

Claims

1. a kind of adjustable filling valve of regurgitant volume, including upper valve base, leather cup, upper valve body, sliding sleeve, the first compressed spring, lower valve Body, seal joint, muffler, bottleneck pad, gasket, valve rod, bushing, screw, anti-overflow cover and orifice union, which is characterized in that It is provided with sliding sleeve below the upper valve base, the bushing for being internally embedded slip of the sliding sleeve, in the upper end of the bushing Side is provided with leather cup, and the bushing is internally provided with upper valve body, and the upper valve body is located at the lower section of leather cup, under the bushing Outer sheath is held to be equipped with lower valve body；The lower end of the lower valve body is provided with seal joint, and first compressed spring is set in sliding sleeve Outside, the inside of upper valve body is arranged in the valve rod, and the upper end of the valve rod is inserted upwardly into upper valve base；The valve rod Lower end is provided with dismountable muffler, is arranged on the muffler and is fixed with anti-overflow cover；Valve rod is arranged in the gasket Lower end outside；Bottleneck pad is provided between the lower valve body and seal joint；Screw is provided with above the upper valve base, it is described The end of thread insertion of screw is screwed onto inside the upper end of valve rod；The side of the upper valve body is provided with orifice union.

2. the adjustable filling valve of a kind of regurgitant volume according to claim 1, which is characterized in that the inside of the upper valve body Movable chamber is offered, the lower end inner wall of the movable chamber has been outwardly formed tight lock part, and the lower end of the valve rod has been outwardly formed valve Head；The gasket is arranged and is embedded on the outside of the upper end of valve head and cooperates with tight lock part.

3. the adjustable filling valve of a kind of regurgitant volume according to claim 1, which is characterized in that the upper end of the lower valve body Outside has been outwardly formed support side, and the inside of the lower valve body is formed with the first cushion chamber, the bottom center of first cushion chamber It is outwardly formed first boss, the upper center of the first boss offers first through hole.

4. the adjustable filling valve of a kind of regurgitant volume according to claim 2, which is characterized in that in the lower end of the valve head The heart offers the second cushion chamber, and the bottom center of second cushion chamber has been outwardly formed second boss；The second boss Downside center offers ventilation counterbore, and the upper end insertion of the muffler is fixed on the lower inner part of ventilation counterbore；The return-air The lower end of pipe passes through first through hole, bottleneck pad and seal joint and the outside for reaching seal joint.

5. the adjustable filling valve of a kind of regurgitant volume according to claim 1, which is characterized in that the lower section of the upper valve base Heavy chamber is offered, the heavy chamber is located at the surface of leather cup, accordingly, has been outwardly formed limit on the outside of the upper end of the valve rod It encloses, is fitted on the bottom surface of heavy chamber on the upside of the spacing collar.

6. the adjustable filling valve of a kind of regurgitant volume according to claim 1, which is characterized in that the top of the upper valve base Telescopic hole and the second through-hole are offered, the telescopic hole and the second through-hole are interconnected with heavy chamber；The middle part of the telescopic hole Accommodating cavity is offered on inner wall；The upper end of the valve rod is inserted in telescopic hole, offers third on the outside of the upper end of the valve rod Through-hole, the position of the third through-hole and the position of accommodating cavity cooperate, and the inner end of the third through-hole and ventilation counterbore are just It hands over and is connected to.

7. the adjustable filling valve of a kind of regurgitant volume according to claim 1, which is characterized in that the upper end of the upper valve base Side has been outwardly formed tray, offers pressure chamber and the first air intake duct above the tray, on the inner wall of the pressure chamber Reflux road is offered, the other end and accommodating cavity in the reflux road are interconnected；Reflux is offered on the bottom surface of the pressure chamber Hole.

8. the adjustable filling valve of a kind of regurgitant volume according to claim 1, which is characterized in that the orifice union includes Cylinder sleeve, briquetting, the second compressed spring, locking nut, backflow fittings, ventilating joint, spacing block, piston, guiding piece, pressing plate and section Flow post；The ventilating joint insertion is fixed on the outside of tray and is interconnected with the lower end of the first air intake duct, and the cylinder sleeve is solid It is scheduled on tray and is located at the surface of pressure chamber, the cylinder sleeve is fixedly arranged above briquetting, and the briquetting is internally provided with Vertically sliding movable guiding piece, the spacing block are embedded in inside the upper end of cylinder sleeve, and the briquetting and cylinder sleeve are internally provided with Throttling rod is arranged on the throttling rod and is fixed with piston, and the upper end of the throttling rod passes through spacing block and briquetting and reaches pressure The upper outer of block, the locking nut are arranged the upper end for being screwed onto throttling rod and are located at the top of briquetting, second compression Spring is set in outside throttling rod and is arranged in the inside of briquetting, and the outer sheath of the backflow fittings is equipped with pressing plate, and the pressing plate is solid It is scheduled on the downside of tray.

9. the adjustable filling valve of a kind of regurgitant volume according to claim 8, which is characterized in that the lower end of the throttling rod It is inserted at the upper end opening in pressure chamber and with return port and cooperates, the piston is located in plunger shaft and can be along plunger shaft It moves up and down；The upper end of second compressed spring resists the downside of guiding piece, and the lower end of second compressed spring resists point The upside of spacer block.

10. the adjustable filling valve of a kind of regurgitant volume according to claim 8, which is characterized in that the downside of the cylinder sleeve Plunger shaft and the second air intake duct are offered, third air intake duct is offered on the inner wall of the plunger shaft, second air intake duct Upper end is orthogonal with third air intake duct and is connected to, and the lower end of second air intake duct corresponds to each other company with the upper end of the first air intake duct It is logical；The inside of the backflow fittings offers return flow line, and return flow line corresponds to each other connection with return port.