CN210595218U - Filling valve capable of isobaric and non-isobaric filling - Google Patents

Abstract

The utility model relates to a filling valve of isobaric non-isobaric filling, put with well including valve body subassembly, cylinder subassembly, disk seat, the cylinder subassembly sets up in valve body subassembly top, and the valve body subassembly is located the disk seat upper end, and the disk seat is fixed on putting well, and the cylinder subassembly has piston rod, the supporting seat of pot head spring, and the supporting seat lower extreme is equipped with the bellows, and the piston rod passes the supporting seat and inserts in the bellows, and can slide from top to bottom in the bellows, and the valve body subassembly includes wine valve rod, feed liquor cover, the valve rod of inflating, liquid valve rod, the wine valve rod stretches into in the feed liquor cover and is connected with liquid valve rod, and the valve rod of inflating can carry out the up-and-down motion in inserting the wine valve rod, the sealing liquid valve rod upper end of the sealing washer that the valve. The utility model discloses, adopt the direct-connected to carry the structure, need not to set up linkage part simple structure easy dismounting in addition, stability is strong, and isobaric or non-isobaric filling can be realized fast in the control of double cylinder.

Description

Filling valve capable of isobaric and non-isobaric filling

Technical Field

The utility model relates to a filling equipment field technique especially relates to a filling valve of isobaric non-isobaric filling.

Background

The filling is a technique for filling various materials such as gas-containing liquid, non-gas-containing liquid and the like into various packaging containers such as bottles, cans, boxes, barrels, bags and the like, and the mechanical filling can not only improve the productivity, reduce the loss of products and ensure the packaging quality, but also reduce the mutual pollution of the production environment and the materials to be filled. Therefore, the filling technology is widely applied to the automatic filling production of pharmaceutical, daily chemical, food and special industrial plants. The filling valve is an essential important component to complete filling, and is divided according to the filling principle, and the filling valve can be divided into a normal pressure filling valve, a positive pressure filling valve, a negative pressure filling valve or a pressurization filling valve and the like.

Most filling valves filled in a single mode exist in the market at the present stage, and the defects are as follows: filling valves with different composition principles are only suitable for filling the same type of materials, specifically, under general conditions, filling of non-gas liquids, such as purified water, fruit juice, milk and the like, generally adopts a normal pressure filling mode, and gas-containing materials, such as soda water, wine and the like, generally adopt a positive pressure filling valve, a negative pressure filling valve or a pressurization filling valve. However, it is often necessary to exchange the filling of gas-containing and non-gas-containing materials on the same filling line, so that it is not necessary to provide one filling valve for gas-containing materials and another filling valve for non-gas-containing materials; however, the number of filling valves used for filling a material in a filling machine is large, the filling valves are expensive, the filling valves are disassembled and assembled during use, manpower is occupied, production time is occupied, storage space is occupied when the filling valves are not used, and the filling machine is very unfavorable for saving production cost. Therefore, how to realize that both gas-containing materials and non-gas-containing materials can be filled on the same filling valve is the direction in which professionals in the industry need to research and develop urgently.

The Chinese utility model patent with the publication number of CN202152272U and the name of water-gas dual-purpose filling valve comprises a valve seat and a valve body fixedly arranged on the valve seat, a liquid valve core capable of moving up and down is arranged in the valve body, a liquid inlet channel is formed between the liquid valve core and the valve body, an air channel is arranged in the liquid valve core, an air valve core capable of moving up and down is arranged in the air channel, a clamping block is fixedly arranged at the top end of the liquid valve core, and a pushing step is arranged at the top end of the air valve core. The inconvenient difficult problem of washing that brings of dismouting, the easy that buckle structural connection drops simultaneously, and the inconvenient maintenance that is unfavorable for of dismouting.

Disclosure of Invention

In order to overcome the not enough of above prior art existence, the utility model aims at providing a filling valve of isobaric non-isobaric filling adopts the direct-connected to carry the structure, need not to set up in addition that linkage part simple structure stability is strong, easy dismounting, and the isobaric or non-isobaric filling can be realized fast in the control of double cylinder.

In order to achieve the purpose, the utility model relates to a filling valve capable of isobaric non-isobaric filling, which comprises a valve body component, a cylinder component, a valve seat and a centering device, wherein the cylinder component is arranged above the valve body component, the valve body component is positioned at the upper end of the valve seat, and the valve seat is fixed on the centering device; the method is characterized in that: a piston rod and a supporting seat are arranged below the air cylinder assembly, the upper end of the piston rod is sleeved with a spring, a corrugated pipe is arranged at the lower end of the supporting seat, the piston rod penetrates through the supporting seat and is inserted into the corrugated pipe and can slide up and down in the corrugated pipe, a piston check ring is arranged at the front end of the piston rod, a strip-shaped bearing is arranged between the corrugated pipe and the supporting seat, and a shifting sleeve is arranged below the corrugated; the wine valve comprises a valve body assembly, a valve body assembly and a valve body assembly, wherein the valve body assembly comprises a wine valve rod, a liquid inlet sleeve, an inflation valve rod and a liquid valve rod, a wine valve spring is arranged between the liquid inlet sleeve and the wine valve rod, the wine valve rod extends into the liquid inlet sleeve and is connected with the liquid valve rod, the inflation valve rod is inserted into the wine valve rod and can move up and down, and a sealing ring arranged at the lower end of the inflation valve rod seals the upper end of the liquid valve rod when the inflation valve rod is pressed to the lowest; the upper end of the inflating valve rod extends out of the wine valve rod and is sleeved in the shifting sleeve, the shifting sleeve is provided with a lining spring, the lower end of the lining spring is provided with a spacer ring, and the liquid inlet sleeve is fixed on the valve seat. The linkage lifting structure is adopted, the whole components are directly connected in a linkage manner, a connecting component is not required to be additionally arranged, the connecting structure is simple, and the disassembly, assembly and cleaning are convenient.

Furthermore, in order to ensure accurate filling of the container and ensure that the centering device is fixedly connected with the valve seat in pressure equalization under isobaric filling, a centering cup is arranged on the centering device, a pressure release valve is arranged on the valve seat, and a material outlet is arranged on the valve seat corresponding to the centering cup; an air return pipe is connected below the liquid valve rod, and the air return pipe extends out of the material port; the pressure relief valve is connected with the valve core, the control valve cover and the control valve body, a diaphragm is arranged between the control valve body and the control valve cover, the valve core is arranged in the control valve body, a valve core spring is sleeved at the rear end of the valve core, a diaphragm is arranged at one end, extending out of the control valve body, of the valve core, located in the valve seat, and a quick connector is arranged on the pressure relief valve.

Furthermore, in order to conveniently adjust the telescopic height of the centering guide rod, the centering device comprises the centering guide rod and a roller shaft arranged on the centering guide rod, a roller is arranged on the roller shaft, a shaft clamp spring is clamped at the front end of the roller, a valve seat bushing is arranged at the contact position of the valve seat and the centering device, and a spacer sleeve is arranged between the valve seat and the roller.

Furthermore, in order to achieve the effect of controlling the filling of the filling valve for materials of different media, the cylinder assembly is a double-cylinder combination and comprises a cylinder cover, a cylinder body, a cylinder seat, a first piston arranged between the cylinder cover and the cylinder body, and a second piston arranged between the cylinder body and the cylinder seat, wherein the cylinder body is arranged between the cylinder cover and the cylinder seat, the cylinder cover is provided with a first air connecting port, the cylinder body is provided with a second air connecting port, the first piston is provided with a first membrane, and the second piston is provided with a second membrane; the air cylinder assembly is fixed on the supporting seat through screws.

Furthermore, a check ring is arranged at the upper end of the liquid inlet sleeve, the check ring is pressed at the upper end of the wine valve spring, and a liquid inlet hole is formed in the liquid inlet sleeve.

Furthermore, a liquid cylinder is arranged at the upper end of the valve seat, an O-shaped sealing ring is arranged between the valve seat and the liquid cylinder, and the valve body assembly is positioned in the liquid cylinder.

Preferably, the air return pipe is provided with a shunt umbrella, the lower end of the centering device is connected with a centering cup seat, the centering cup seat is provided with a centering cup, and the centering cup is provided with a bottle mouth sealing gasket.

Preferably, in order to ensure the sealing performance, an O-shaped sealing ring is sleeved at the upper end of the corrugated pipe; an O-shaped sealing ring is arranged at the upper end of the retainer ring and on the wine valve rod; an O-shaped sealing ring is arranged between the liquid valve rod and the wine valve rod.

Further, the sealing performance of filling of the filling valve is improved, and a sealing gasket used for a sealing material port is arranged at the lower end of the liquid valve rod.

The beneficial effects of the utility model reside in that: a filling valve capable of isobaric and non-isobaric filling is controlled by double cylinders, a linkage mechanism is formed by a cylinder assembly and a valve body assembly through double cylinder control, when materials are filled, an inflation valve rod and a wine valve rod can be controlled through the linkage mechanism according to whether the materials contain gas or not, when the double cylinders are fully opened, the linkage mechanism acts downwards to form a closed state among the inflation valve rod, the wine valve rod and a liquid valve rod, and the wine valve rod and the liquid valve rod are in a connection relation; when the cavity where the second piston of the double-cylinder is located is decompressed, the cavity where the first piston is located is pressurized, the double-cylinder is in a half-open state, the linkage mechanism can enable the inflation valve to be opened, and the liquid valve rod keeps a closed state; when the cylinder does secondary action, the pressure of the cavity where the first piston and the second piston are located is released, the piston rod moves upwards under the action of the spring and the corrugated pipe, the shifting sleeve in the linkage mechanism drives the inflation valve rod to move upwards, and simultaneously drives the wine valve rod and the liquid valve rod connected to the lower end of the wine valve rod to synchronously ascend, at the moment, the liquid valve rod and the inflation valve rod are in an open state, the whole filling valve is in a communicated state with the liquid cylinder and the container bottle (not marked), filling can be carried out under the condition that isobaric pressure is not needed, and not only can the hard container bottle be filled, but also the soft container bottle can be filled. The filling can be realized by the pressure in the filling cylinder or not through the control of the linkage mechanism, the valve opening can be realized without isobaric pressure, and the valve opening is realized by the double cylinders actively, so that the filling can be realized for soft and hard bottles. Adopt the direct-connected to carry the structure, need not to set up linkage part simple structure in addition, easy dismounting, it is more convenient for wash, isobaric or non-isobaric filling can be realized fast to double cylinder control, it has the nimble use of multiunit action combination to adopt double-stroke cylinder control, can effectually carry out quick filling to gaseously not containing the material, can force the filling valve to open completely through the cylinder to the material that has large granule simultaneously and carry out the filling, can effectively solve the weak point that current product exists on the existing market, thereby realize gaseously material and the filling of not containing the gaseously material on same filling valve, the trouble of having avoided traditional gaseously material and not containing the gaseously material to accomplish by different filling valves and causing, the saving equipment cost, it is stronger to satisfy market demand compatibility.

Drawings

For the purpose of illustration, the invention is described in detail with reference to the following preferred embodiments and the accompanying drawings.

Fig. 1 is a schematic diagram of a filling valve with double cylinders for isobaric and non-isobaric filling according to the present invention;

fig. 2 is a sectional structure diagram of a filling valve for isobaric and non-isobaric filling of the present invention;

FIG. 3 is a schematic diagram of a two cylinder deactivation state at A of FIG. 2;

FIG. 4 is a schematic view of the dual cylinder deactivation state of FIG. 2 at position B thereof;

FIG. 5 is a schematic view of the dual cylinder deactivation state of FIG. 2 at position C thereof;

FIG. 6 is a schematic view of the double cylinder half-open condition at A in FIG. 2;

FIG. 7 is a schematic view of the double cylinder of FIG. 2 in a state at B when it is in a half-open state;

FIG. 8 is a schematic view of the double cylinder of FIG. 2 in a state at C when it is in a half-open state;

FIG. 9 is a schematic view of the fully open state of the dual cylinders at A of FIG. 2;

fig. 10 is a schematic view of the state at B, C when the two-cylinder fully open state is shown in fig. 2.

In the figure: valve body assembly-1, wine valve rod-11, liquid inlet sleeve-12, check ring-121, liquid inlet hole-122, inflation valve rod-13, sealing ring-131, liquid valve rod-14, sealing gasket-141, wine valve spring-15,

A cylinder component-2, a piston rod-21, a spring-211, a piston retainer-212, a support seat-22, a strip bearing-221, a corrugated pipe-23, a shifting sleeve-24, a lining spring 241, a cylinder cover-25, a first air-receiving port-251, a cylinder block-26, a second air-receiving port-261, a cylinder seat-27, a first piston-28, a first diaphragm-281, a second piston-29, a second diaphragm-291, a valve seat-3, a material outlet-32, a valve seat lining-33, a pressure relief valve-31, a valve core-311, a control valve cover-312, a control valve body-313, a diaphragm-314, a valve core spring-315, a diaphragm-316, a quick joint-317, a centering device-4, a centering cup-41, a piston rod-23, a piston retainer, Centering guide rod-42, roller shaft-43, roller-44, shaft clamp spring-45, spacer bush-46, centering cup seat-47, bottle mouth sealing gasket-48, air return pipe-5, shunt umbrella-51, spacer ring-6, liquid cylinder-7 and O-shaped sealing ring-8.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by a person of ordinary skill in the art without creative efforts belong to the protection scope of the present invention.

The filling valve capable of isobaric and non-isobaric filling as shown in figures 1 and 2 comprises a valve body assembly 1, a cylinder assembly 2, a valve seat 3 and a centering device 4, wherein the cylinder assembly 2 is arranged above the valve body assembly 1, the valve body assembly 1 is positioned at the upper end of the valve seat 3, and the valve seat 3 is fixed on the centering device 4; a piston rod 21 and a support seat 22 are arranged below the air cylinder assembly 2, the upper end of the piston rod is sleeved with a spring 211, a corrugated pipe 23 is arranged at the lower end of the support seat 22, the piston rod 21 penetrates through the support seat 22 and is inserted into the corrugated pipe 23 and can slide up and down in the corrugated pipe 23, a piston check ring 212 is arranged at the front end of the piston rod 21, a strip-shaped bearing 221 is arranged between the corrugated pipe 23 and the support seat 22, a shifting sleeve 24 is arranged below the corrugated pipe 23, and an O-shaped sealing ring 8 is; the cylinder assembly 2 is a double-cylinder combination and comprises a cylinder cover 25, a cylinder block 26, a cylinder block 27, a first piston 28 arranged between the cylinder cover 25 and the cylinder block 26, and a second piston 29 arranged between the cylinder block 26 and the cylinder block 27, wherein the cylinder block 26 is arranged between the cylinder cover 25 and the cylinder block 27, the cylinder cover 25 is provided with a first air receiving port 251, the cylinder block 26 is provided with a second air receiving port 261 for providing compressed air, the first piston 28 is provided with a first diaphragm 281, and the second piston 29 is provided with a second diaphragm 291; the cylinder assembly 2 is fixed on the supporting seat 22 through screws, and the cylinder adopts a double-cylinder design and has multiple control methods; the valve body component 1 comprises a wine valve rod 11, a liquid inlet sleeve 12, an inflation valve rod 13 and a liquid valve rod 14, a wine valve spring 15 is arranged between the liquid inlet sleeve 12 and the wine valve rod 11, the wine valve rod 11 extends into the liquid inlet sleeve 12 and is connected with the liquid valve rod 14, the inflation valve rod 13 is inserted into the wine valve rod 11 and can move up and down, when the inflation valve rod 13 is pressed to the lowest position, a sealing ring 131 arranged at the lower end of the inflation valve rod 13 seals the upper end of the liquid valve rod 14, the lower end of the inflation valve rod 13 is designed into an inverted triangular semi-circle shape, so that the sealing is convenient and the ventilation is facilitated, a sealing gasket 141 used for a sealing material port 32 is arranged at the lower end of the liquid valve rod 14, and the sealing material port ensures that liquid cannot leak; the upper end of the inflating valve rod 13 extends out of the wine valve rod 11 and is sleeved into the shifting sleeve 24, the shifting sleeve 24 is provided with a lining spring 241, the lower end of the lining spring 241 is provided with a spacer 6, the liquid inlet sleeve 12 is fixed on the valve seat 3, the upper end of the liquid inlet sleeve 12 is provided with a check ring 121, the check ring 121 is pressed at the upper end of the wine valve spring 15, the liquid inlet sleeve 12 is provided with a liquid inlet hole 122, materials in the liquid cylinder can flow through the liquid inlet hole 122 on the liquid inlet sleeve 12 through a channel between the liquid inlet sleeve and the wine valve rod, the liquid valve rod seals a material outlet when filling is not needed, the liquid valve rod is opened by control when filling is needed, and the wine valve rod 11 at the upper end of the check ring; an O-shaped sealing ring 8 is arranged between the liquid valve rod 14 and the wine valve rod 11.

The centering device 4 is fixedly connected with the valve seat 3, the centering device 4 is provided with a centering cup 41, the valve seat 3 is provided with a pressure release valve 31, and the valve seat 3 corresponding to the centering cup 41 is provided with a material outlet 32; an air return pipe 5 is connected below the liquid valve rod 14, the air return pipe 5 extends out of the material port 32, a shunt umbrella 51 is arranged on the air return pipe 5, materials can uniformly flow into the container along the shunt umbrella, the lower end of the centering device 4 is connected with a centering cup seat 47, a centering cup 41 is arranged on the centering cup seat 47, and a bottle mouth sealing gasket 48 is arranged on the centering cup 41 to ensure the sealing performance during filling; the pressure relief valve 31 is connected and includes a valve core 311, a control valve cover 312 and a control valve body 313, a membrane 314 is arranged between the control valve body 313 and the control valve cover 312, the valve core 311 is arranged in the control valve body 313, a valve core spring 315 is sleeved at the rear end of the valve core 311, a membrane 316 is arranged at one end of the valve core 311 extending out of the control valve body 313 and located in the valve seat 3, and a quick connector 317 is arranged on the pressure relief valve 31. The centering device 4 comprises a centering guide rod 42 and a roller shaft 43 arranged on the centering guide rod 42, wherein the centering guide rod is provided with two parallel guide rods for improving the stability, a roller 44 is arranged on the roller shaft 43, a shaft clamp spring 45 is clamped at the front end of the roller 44, a valve seat bushing 33 is arranged at the contact position of the valve seat 3 and the centering device 4, and a spacer 46 is arranged between the valve seat 3 and the roller 44; the upper end of the valve seat 3 is provided with a liquid cylinder 7, an O-shaped sealing ring 8 is arranged between the valve seat 3 and the liquid cylinder 7, and the valve body component 1 is positioned in the liquid cylinder 7. As shown in fig. 9, when the first piston 28 and the second piston 29 of the dual cylinder are located, the cylinder state is a fully opened state, as shown in fig. 10, when the dual cylinder is fully opened, the inflation valve rod 13 and the liquid valve rod 14 are both in a sealed state, at this moment, the whole filling valve is in a closed state, the sealing ring 131 arranged at the bottom end of the inflation valve rod 13 seals the upper port of the liquid valve rod 14 to prevent air in the liquid cylinder from flowing in, the bottom end of the liquid valve rod 14 is provided with a ring of sealing gasket 141 capable of sealing the material outlet 32, the internal structure of the filling valve is a linkage lifting structure, and a direct linkage mode is adopted, so that other components are not required to be additionally arranged, the overall structure is visual, and parts replacement or cleaning is more convenient.

As shown in fig. 3, 4 and 5, when the double cylinder is in a closed state, and the first piston 28 and the second piston 29 of the double cylinder are in positions, the cylinder is in a closed state at this time, the mouth of the material bottle which is processed by sterilization, drying and the like is in sealing contact with the material outlet 32 through the centering cup seat 47, the air return pipe 5 is inserted into the mouth of the bottle to a certain depth, at this time, as the air inflation valve rod 13 and the wine valve rod 11 lose the double cylinder to exert a force and rise upwards under the pulling force of the spring 211, the corrugated pipe 23 and the bushing spring 241, at this time, the air inflation valve rod 13 is opened and rises upwards to a certain distance, the maximum distance is reached, the maximum distance is the distance from the top end of the piston rod 21 to the bottom end of the second piston 29, then the air inflation valve rod 13 drives the wine valve rod 11 to be opened to a proper opening degree, at this time, the whole filling valve is in a fully opened state, the material in the liquid cylinder, rapid filling can be achieved without waiting for the container bottle (not shown) to be at the same pressure as the liquid cylinder 7.

As shown in fig. 6, 7 and 8, the double cylinder is in a half-open state when the first piston 28 and the second piston 29 of the double cylinder are located. The bottle mouth of the sterilized and dried material bottle is in sealing contact with the material outlet 32 through the centering cup seat 47, the air return pipe 5 is inserted into the bottle mouth to a certain depth, the first piston 28 in the first cylinder in the double cylinders moves downwards under the action of air pressure, the second air cavity is not inflated, the second piston 29 moves downwards under the drive of the first piston 28, the moving distance is the length of the downward movement of the first piston 28, the inflation valve rod 13 is in an open state at the moment, the air in the liquid cylinder 7 enters the container bottle along the opened air return pipe channel through the air hole on the wine valve rod 11, when the pressure in the container bottle is equal to the pressure in the liquid cylinder 7, the liquid valve rod 14 automatically moves upwards under the action of the air pressure, the sealing gasket 141 moves upwards synchronously, so that the liquid in the liquid cylinder 7 flows into the container bottle through the material inlet 32 on the liquid inlet sleeve 12, and the gas in the bottle then flows back to the upper end of the liquid cylinder 7 through the muffler 5, when the liquid level submerges the outlet of the muffler 5 in the bottle, the gas in the bottle forms the air lock at the sealing gasket 141 of the liquid valve stem 14, its pressure rises, when the pressure in the bottle is equal to the pressure in the liquid cylinder 7, when the liquid difference is balanced, the pouring of the liquid stops automatically, close the air valve stem 13 and the liquid valve stem 14 through controlling the movement of the double-cylinder at this moment, and release the pressure with the relief valve 31, finish the filling process.

The cylinder component main body is a double cylinder, through the control of the double cylinder, a linkage mechanism is formed by the cylinder component 2 and the valve body component 1, when the material is filled, according to whether the material contains gas or not, the air charging valve rod 13 and the wine valve rod 11 can be controlled through the linkage mechanism, when the double cylinder is fully opened, the linkage mechanism moves downwards, the air charging valve rod 13, the wine valve rod 11 and the liquid valve rod 14 form a closed state, and the wine valve rod 11 and the liquid valve rod 14 are in a connection relation; when the cavity where the second piston of the double-cylinder is located is decompressed, the cavity where the first piston 28 is located is pressurized, the double-cylinder is in a half-open state, the linkage mechanism can open the inflation valve, and the liquid valve rod 14 keeps a closed state; when the cylinder does secondary action, the cavities where the first piston 28 and the second piston 29 are both decompressed, the piston rod 21 moves upwards under the action of the spring 211 and the corrugated pipe 23, the shifting sleeve 24 in the linkage mechanism drives the inflation valve rod to move upwards, and simultaneously drives the wine valve rod 11 and the liquid valve rod 14 connected to the lower end of the wine valve rod 11 to synchronously ascend, at the moment, the liquid valve rod 14 and the inflation valve rod 13 are in an open state, the whole filling valve is in a communicated state with the liquid cylinder and the container bottle (not marked), filling can be carried out under the condition of no need of isobaric pressure, and not only can a hard container bottle be filled, but also a soft container bottle can be filled. The filling can be realized by the pressure in the filling cylinder or not through the control of the linkage mechanism, the valve opening can be realized without isobaric pressure, and the valve opening is realized by the double cylinders actively, so that the filling can be realized for soft and hard bottles. Adopt the direct-connected to carry the structure, need not to set up linkage part simple structure in addition, easy dismounting, it is more convenient for wash, isobaric or non-isobaric filling can be realized fast to double cylinder control, it has the nimble use of multiunit action combination to adopt double-stroke cylinder control, can effectually carry out quick filling to gaseously not containing the material, can force the filling valve to open completely through the cylinder to the material that has large granule simultaneously and carry out the filling, can effectively solve the weak point that current product exists on the existing market, thereby realize gaseously material and the filling of not containing the gaseously material on same filling valve, the trouble of having avoided traditional gaseously material and not containing the gaseously material to accomplish by different filling valves and causing, the saving equipment cost, it is stronger to satisfy market demand compatibility.

The above description has been made in detail with reference to the accompanying drawings, but the present invention is not limited to the above embodiments, and can be used only on the air cleaner, and within the knowledge of those skilled in the art, various changes can be made without departing from the present invention, and these changes relate to the related art known to those skilled in the art, and all fall within the protection scope of the present invention.

Claims (9)

1. An isobaric non-isobaric filling valve, which comprises a valve body assembly, a cylinder assembly, a valve seat and a centering device, wherein the cylinder assembly is arranged above the valve body assembly, the valve body assembly is positioned at the upper end of the valve seat, and the valve seat is fixed on the centering device, and the isobaric non-isobaric filling valve is characterized in that: a piston rod and a supporting seat are arranged below the air cylinder assembly, the upper end of the piston rod is sleeved with a spring, a corrugated pipe is arranged at the lower end of the supporting seat, the piston rod penetrates through the supporting seat and is inserted into the corrugated pipe and can slide up and down in the corrugated pipe, a piston check ring is arranged at the front end of the piston rod, a strip-shaped bearing is arranged between the corrugated pipe and the supporting seat, and a shifting sleeve is arranged below the corrugated; the wine valve comprises a valve body assembly, a valve body assembly and a valve body assembly, wherein the valve body assembly comprises a wine valve rod, a liquid inlet sleeve, an inflation valve rod and a liquid valve rod, a wine valve spring is arranged between the liquid inlet sleeve and the wine valve rod, the wine valve rod extends into the liquid inlet sleeve and is connected with the liquid valve rod, the inflation valve rod is inserted into the wine valve rod and can move up and down, and a sealing ring arranged at the lower end of the inflation valve rod seals the upper end of the liquid valve rod when the inflation valve rod is pressed to the lowest; the upper end of the inflating valve rod extends out of the wine valve rod and is sleeved in the shifting sleeve, the shifting sleeve is provided with a lining spring, the lower end of the lining spring is provided with a spacer ring, and the liquid inlet sleeve is fixed on the valve seat.

2. An isobaric, non-isobaric filling valve according to claim 1, characterized in that: the centering device is fixedly connected with the valve seat, a centering cup is arranged on the centering device, a pressure release valve is arranged on the valve seat, and a material outlet is formed in the valve seat corresponding to the centering cup; an air return pipe is connected below the liquid valve rod, and the air return pipe extends out of the material port; the pressure relief valve is connected with the valve core, the control valve cover and the control valve body, a diaphragm is arranged between the control valve body and the control valve cover, the valve core is arranged in the control valve body, a valve core spring is sleeved at the rear end of the valve core, a diaphragm is arranged at one end, extending out of the control valve body, of the valve core, located in the valve seat, and a quick connector is arranged on the pressure relief valve.

3. An isobaric, non-isobaric filling valve according to claim 2, characterized in that: the centering device comprises a centering guide rod and a roller shaft arranged on the centering guide rod, a roller is arranged on the roller shaft, a shaft clamp spring is clamped at the front end of the roller, a valve seat bushing is arranged at the contact position of the valve seat and the centering device, and a spacer sleeve is arranged between the valve seat and the roller.

4. An isobaric, non-isobaric filling valve according to claim 1, characterized in that: the cylinder assembly is a double-cylinder combination and comprises a cylinder cover, a cylinder body, a cylinder seat, a first piston arranged between the cylinder cover and the cylinder body, and a second piston arranged between the cylinder body and the cylinder seat, wherein the cylinder body is arranged between the cylinder cover and the cylinder seat, a first air connecting port is arranged on the cylinder cover, a second air connecting port is arranged on the cylinder body, a first diaphragm is arranged on the first piston, and a second diaphragm is arranged on the second piston; the air cylinder assembly is fixed on the supporting seat through screws.

5. An isobaric, non-isobaric filling valve according to claim 1, characterized in that: the upper end of the liquid inlet sleeve is provided with a check ring which is pressed at the upper end of a wine valve spring, and the liquid inlet sleeve is provided with a liquid inlet hole.

6. An isobaric, non-isobaric filling valve according to claim 1, characterized in that: the upper end of the valve seat is provided with a liquid cylinder, an O-shaped sealing ring is arranged between the valve seat and the liquid cylinder, and the valve body assembly is positioned in the liquid cylinder.

7. An isobaric, non-isobaric filling valve according to claim 2, characterized in that: the air return pipe is provided with a flow distribution umbrella, the lower end of the centering device is connected with a centering cup seat, the centering cup seat is provided with a centering cup, and the centering cup is provided with a bottle mouth sealing gasket.

8. An isobaric, non-isobaric filling valve according to claim 1 or 5, characterized in that: the upper end of the corrugated pipe is sleeved with an O-shaped sealing ring; an O-shaped sealing ring is arranged at the upper end of the retainer ring and on the wine valve rod; an O-shaped sealing ring is arranged between the liquid valve rod and the wine valve rod.

9. An isobaric, non-isobaric filling valve according to claim 1 or 2, characterized in that: and a sealing gasket for sealing the material port is arranged at the lower end of the liquid valve rod.

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