CN214031657U - Gas injection mechanism in isobaric filling valve - Google Patents
Gas injection mechanism in isobaric filling valve Download PDFInfo
- Publication number
- CN214031657U CN214031657U CN202022350876.2U CN202022350876U CN214031657U CN 214031657 U CN214031657 U CN 214031657U CN 202022350876 U CN202022350876 U CN 202022350876U CN 214031657 U CN214031657 U CN 214031657U
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- gas injection
- gas
- channel
- sleeve
- injection pipe
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- 238000002347 injection Methods 0.000 title claims abstract description 180
- 239000007924 injection Substances 0.000 title claims abstract description 180
- 230000007246 mechanism Effects 0.000 title claims abstract description 31
- 238000009434 installation Methods 0.000 claims abstract description 28
- 230000009471 action Effects 0.000 claims abstract description 10
- 230000006835 compression Effects 0.000 claims abstract description 6
- 238000007906 compression Methods 0.000 claims abstract description 6
- 230000000903 blocking effect Effects 0.000 claims description 8
- 230000002035 prolonged effect Effects 0.000 abstract description 4
- 239000007788 liquid Substances 0.000 description 6
- CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 description 2
- 230000008859 change Effects 0.000 description 2
- 230000003247 decreasing effect Effects 0.000 description 2
- 238000007789 sealing Methods 0.000 description 2
- 229910002092 carbon dioxide Inorganic materials 0.000 description 1
- 239000001569 carbon dioxide Substances 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000004806 packaging method and process Methods 0.000 description 1
- 230000008569 process Effects 0.000 description 1
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Abstract
The utility model discloses a gas injection mechanism in isobaric filling valve, include: the gas injection pipe is fixed at the top of the valve core, a gas channel is formed in the hollow part of the valve core, a gas injection rod is arranged in the gas injection pipe, a gas injection channel is formed between the gas injection pipe and the gas injection rod, an elastic part is connected between an outer sleeve outside the gas injection pipe and the gas injection pipe, the upper end of the outer sleeve is connected with an installation sleeve, the upper end of the gas injection pipe extends into the installation sleeve, the upper end of the gas injection rod extends out of the gas injection pipe, the installation sleeve is provided with a gas inlet, and a compression spring in the installation sleeve is respectively connected to the first installation seat and the second installation seat; under the action of valve operation, the outer sleeve can drive the gas injection rod to move downwards until the gas injection pad is sealed and blocked at the upper port of the gas channel to separate the gas injection channel from the gas channel; then the valve is operated to release the function, and the gas injection cushion leaves the upper port of the gas channel to enable the gas injection channel to be communicated with the gas channel. The utility model has the advantages that: the service life of the air injection cushion is greatly prolonged.
Description
Technical Field
The utility model relates to a liquid packaging equipment technical field, concretely relates to isobaric filling valve.
Background
Isobaric filling, also known as pressure gravity filling, is carried out by filling a certain amount of gas, such as carbon dioxide, into the bottle to be filled, so that the cylinder and the bottle have isobaric pressure.
The isobaric filling valve is a key component for isobaric filling, and the structure of the isobaric filling valve used at present comprises: the pressure-maintaining valve comprises an upper valve body and a lower valve body, wherein the lower valve body is installed at the bottom of a hydraulic cylinder, the hydraulic cylinder is used for storing canned feed liquid, a pressure-maintaining space is formed above the liquid level in the hydraulic cylinder, back pressure gas is arranged in the pressure-maintaining space, a lower valve cavity is formed in the lower valve body, a valve port is formed in the bottom of the lower valve body, the upper valve body is arranged in the hydraulic cylinder above the lower valve body, an upper valve cavity is formed in the upper valve body, the upper valve cavity and the lower valve cavity are communicated with each other, a liquid inlet is formed in the side wall of the upper valve body, the liquid inlet is communicated with the hydraulic cylinder, a valve core is arranged in the lower valve body, the valve core extends upwards into the upper valve body, the valve port can be closed or opened by the action of the valve core, a gas channel is formed in the hollow inner part of the valve core, a gas connecting pipe communicated with the gas channel is connected to the bottom of the valve core, and the gas connecting pipe extends out of the valve port.
The upper end of gas channel is provided with gas injection mechanism, gas injection mechanism include: fix the gas injection pipe at case top, be provided with the gas injection pole in the gas injection pipe, leave the space between gas injection pipe and the gas injection pole and form the gas injection passageway, the bottom of gas injection pole is provided with the gas injection pad, the gas injection pipe is provided with the outer tube outward, the gas injection pipe overcoat is equipped with reset spring, reset spring's upper and lower both ends are pressed respectively and are kept off on outer tube retaining ring and gas injection pipe fender ring, the outer tube retaining ring is fixed in on the outer wall of outer tube, the gas injection pipe keeps off the ring and fixes on the outer wall of gas injection pipe. The valve operation is used on the outer sleeve check ring, an air inlet is arranged on the outer sleeve, a back pressure space in the hydraulic cylinder is communicated with the air injection channel through the air inlet, the upper end of the air injection rod is fixedly connected with the outer sleeve, the valve operation can press and block the outer sleeve check ring downwards, the outer sleeve is driven to drive the air injection rod to move downwards until the air injection gasket is arranged at the top of the air channel in a sealing mode, the air injection channel is separated from the air channel, when the valve operation releases the pressing and blocking of the outer sleeve check ring, the outer sleeve can drive the air injection rod to return to the initial position under the action of the reset spring, and therefore the air injection channel is communicated with the air channel.
The above-described gas injection mechanism has drawbacks in that: because the outer sleeve and the gas injection rod are rigidly connected, the gas injection pad bears rigid acting force during valve operation, and the acting force for valve operation is usually very large to ensure that the gas injection pad is sealed at the top of the gas channel, so the gas injection pad is easy to damage, the service life is short, time and labor are wasted when the gas injection pad is frequently replaced, the pressing force for valve operation is large, and easily damaged parts in the valve operation are also easy to damage.
SUMMERY OF THE UTILITY MODEL
The utility model discloses the technical problem that needs to solve is: the gas injection mechanism in the isobaric filling valve is provided, wherein the gas injection pad is elastically sealed and pressed on the top of the gas channel, and the service life of the gas injection pad is greatly prolonged.
In order to solve the above problem, the utility model adopts the following technical scheme: gas injection mechanism in isobaric filling valve includes: the gas injection valve comprises a gas injection pipe fixed at the top of a valve core, wherein the valve core is hollow to form a gas channel, a gas injection rod is arranged in the gas injection pipe, a gap between the gas injection pipe and the gas injection rod forms a gas injection channel, a gas injection cushion is arranged at the bottom of the gas injection rod, the gas channel and the gas injection channel can be mutually communicated or separated through the up-and-down movement of the gas injection rod, an outer sleeve is arranged outside the gas injection pipe, an elastic part is connected between the outer sleeve and the gas injection pipe, a valve operation capable of driving the outer sleeve to move downwards is arranged outside the outer sleeve, the upper end of the outer sleeve is connected with a mounting sleeve, the upper end of the gas injection pipe extends into the mounting sleeve, the upper end of the gas injection rod extends out of the gas injection pipe, the upper port of the gas injection channel is communicated with the inner cavity of the mounting sleeve, a gas inlet communicated with a backpressure space in a liquid cylinder is arranged on the mounting sleeve, a compression spring is arranged in the mounting sleeve, and the upper and lower ends of the compression spring are respectively connected on a first mounting seat and a second mounting seat in the mounting sleeve, the first mounting seat is mounted on the inner wall of the mounting sleeve, the second mounting seat is fixed on the outer wall of the gas injection rod above the gas injection pipe, and the mounting sleeve is provided with a driving part capable of driving the gas injection rod to move upwards; under the action of valve operation, the outer sleeve can drive the gas injection rod to move downwards until the gas injection pad is sealed and pressed on the upper port of the gas channel, so that the gas injection channel is separated from the gas channel; then the valve operation is released, and the driving part on the outer sleeve can drive the gas injection rod to move upwards under the action of the elastic force of the elastic part until the gas injection cushion leaves the upper port of the gas channel, so that the gas injection channel is communicated with the gas channel.
Further, in the aforementioned gas injection mechanism in the isobaric filling valve, the elastic component between the outer sleeve and the gas injection pipe and the mounting structure thereof include: the elastic component is a return spring, the return spring is sleeved on the outer sleeve, the upper end and the lower end of the return spring are respectively connected to an outer sleeve retainer ring and a gas injection pipe retainer ring, the outer sleeve retainer ring is fixed on the outer wall of the outer sleeve, and the gas injection pipe retainer ring is fixed on the outer wall of the gas injection pipe.
Further, the gas injection mechanism in the isobaric filling valve, wherein the valve operation comprises: the convex stop block is fixed at the end part of the rotating shaft and protrudes outwards from the rotating shaft, the rotating shaft is movably supported on the hydraulic cylinder and extends outwards from the hydraulic cylinder, the rotating shaft outside the hydraulic cylinder is driven by the rotating driving mechanism, and under the driving of the rotating driving mechanism, the rotating shaft can rotate to enable the stop block to press and stop on the outer sleeve check ring and enable the outer sleeve check ring to move downwards or rotate to enable the stop block to rotate away from the outer sleeve check ring, so that the pressing and stopping on the outer sleeve check ring are removed.
Further, in the gas injection mechanism in the isobaric filling valve, an upper port of the gas channel is a tapered port with a diameter gradually decreasing from top to bottom, and when the gas channel is separated from the gas injection channel, the gas injection cushion is sealed in the tapered port.
Further, the gas injection mechanism in the isobaric filling valve, wherein, first mount pad is the jump ring, and the jump ring is installed in the draw-in groove on the installation cover inner wall.
Further, the gas injection mechanism in the isobaric filling valve, wherein the driving part is a blocking step protruding outwards from the inner wall of the mounting sleeve, and the blocking step is arranged at the bottom of the second mounting seat.
Furthermore, in the gas injection mechanism in the isobaric filling valve, a limiting check ring is arranged on the outer wall of the gas injection pipe below the second mounting seat, the limiting check ring is located in the mounting sleeve, and under the elastic force of the elastic component, the outer sleeve moves upwards until the outer sleeve is blocked by the limiting check ring.
Further, in the above-mentioned gas injection mechanism in the isobaric filling valve, the diameter of the gas injection rod above the second retainer ring is smaller than the diameter of the gas injection rod below the second retainer ring.
The utility model has the advantages that: simple structure sets up the installation cover through the top at the outer tube, elastic connection between installation cover and the gas injection pole, and the effort between outer tube and the gas injection pole then is elastic force, consequently annotates the gas cushion and then can the sealed pressure of elasticity keep off at gas passage's last port, and not only sealed reliable like this, the life of gas injection pad also prolongs greatly, and the gas injection pad need not frequently change to the supplementary efficiency that has improved isobaric filling.
Drawings
Fig. 1 is a schematic view of the installation structure of the gas injection mechanism in the isobaric filling valve of the present invention.
Fig. 2 is an enlarged schematic view of a portion a of fig. 1.
FIG. 3 is a schematic view of the structure of FIG. 1 taken along the sectional direction B-B.
Detailed Description
The invention will be described in further detail with reference to the drawings and preferred embodiments.
As shown in fig. 1 and 2, the gas injection mechanism in the isobaric filling valve comprises: the gas injection pipe 2 is fixed on the top of the valve core 1, a gas channel 11 is formed in the hollow part of the valve core 1, a gas injection rod 3 is arranged in the gas injection pipe 2, and a gas injection channel 4 is formed in a gap between the gas injection pipe 2 and the gas injection rod 3. The bottom of the gas injection rod 3 is provided with a gas injection pad 31, and the gas channel 11 and the gas injection channel 4 can be communicated or separated by the up-and-down movement of the gas injection rod 3. In order to improve the sealing effect, in this embodiment, the upper end of the gas channel 11 is a tapered opening with a diameter gradually decreasing from top to bottom, and when the gas channel 11 is separated from the gas injection channel 4, the gas injection gasket 31 is sealed in the tapered opening.
An outer sleeve 5 is arranged outside the gas injection pipe 2, an elastic part is connected between the outer sleeve 5 and the gas injection pipe 2, the outer sleeve 5 can move downwards under the driving of a valve operator 6, and the valve operator 6 is arranged outside the outer sleeve 5.
The upper end of the outer sleeve 5 is provided with a mounting sleeve 51, the upper end of the gas injection pipe 2 extends into the mounting sleeve 51, the upper end of the gas injection rod 3 extends out of the gas injection pipe 2, the upper port of the gas injection channel 4 is communicated with the inner cavity of the mounting sleeve 51, the mounting sleeve 51 is provided with a gas inlet 511 communicated with the backpressure space 71 in the hydraulic cylinder 7, and the gas inlet 511 can be arranged on the top and/or the side wall of the mounting sleeve 5. Be provided with pressure spring 8 in the installation cover 5, on first mount pad 512 and the second mount pad 32 in the installation cover 51 were connected respectively at the upper and lower both ends of pressure spring 8, first mount pad 512 was installed on the inner wall of installation cover 51, and second mount pad 32 is fixed on the outer wall of the gas injection pole 3 of gas injection pipe 2 top. For the convenience of installation, in this embodiment, the first mounting base 512 adopts a clamp spring, and the clamp spring is installed in a clamping groove on the inner wall of the mounting sleeve 51. The second mounting seat 32 is provided with a through hole 321, and the through hole 321 enables air flow inside the mounting sleeve 51 to be smooth.
The mounting sleeve 51 is provided with a driving portion 512 capable of driving the gas injection rod 3 to move upwards, in this embodiment, the driving portion 512 is a blocking step 512 protruding outwards from the inner wall of the mounting sleeve 51, and the blocking step 512 is arranged at the bottom of the second mounting seat 32.
Under the action of the valve operation 6, the outer sleeve 5 can drive the gas injection rod 3 to move downwards until the gas injection cushion 31 is sealed and pressed against the upper end opening of the gas channel 11, so that the gas injection channel 4 is separated from the gas channel 11. In the process, the compression spring 5 is pressed to drive the gas injection rod 3 to move downwards until the gas injection pad 21 is sealed and pressed on the upper port of the gas channel 11, and the gas injection pad 31 and the upper port of the gas channel 11 are elastically sealed, so that the service life of the gas injection pad 31 is greatly prolonged.
Then the valve operation 6 is released, the outer sleeve 5 moves upwards under the action of the elastic force of the elastic part, the blocking step 512 blocks and presses the bottom of the second mounting seat 32, the gas injection rod 3 is driven to move upwards, the gas injection cushion 31 is separated from the upper port of the gas channel 11, the gas injection channel 4 is communicated with the gas channel 11, in this state, gas in a pressure-reserving space in the hydraulic cylinder 7 can enter the mounting sleeve 51 from the gas inlet 511, and the gas in the mounting sleeve 51 enters the filled bottle through the gas injection channel 4 and the gas channel 11, so that the equal pressure is established.
In this embodiment, the elastic member and the mounting structure thereof between the outer tube 5 and the gas injection tube 2 include: the elastic component is a return spring 10, the return spring 10 is sleeved on the outer sleeve 5, the upper end and the lower end of the return spring 10 are respectively connected to an outer sleeve retainer ring 53 and a gas injection pipe retainer ring 21, the outer sleeve retainer ring 53 is fixed on the outer wall of the outer sleeve 5, and the gas injection pipe retainer ring 21 is fixed on the outer wall of the gas injection pipe 2.
As shown in fig. 3, the valve operation 6 includes: the convex stop block 61 is fixed at the end part of the rotating shaft 62, the convex stop block 61 protrudes outwards from the rotating shaft 62, the rotating shaft 62 is movably supported on the hydraulic cylinder 7 and extends outwards from the hydraulic cylinder 7, the rotating shaft 62 outside the hydraulic cylinder 7 is driven by a rotating driving mechanism, and under the driving of the rotating driving mechanism, the rotating shaft 62 can rotate to enable the stop block 61 to be pressed and stopped on the outer sleeve retaining ring 53 and enable the outer sleeve retaining ring 53 to move downwards, or the stop block 61 is rotated and separated from the outer sleeve retaining ring 53, so that the pressing and stopping on the outer sleeve retaining ring 53 are released.
In this embodiment, the outer wall of the gas injection pipe 2 below the second mounting seat 32 is provided with a limit stop ring 22, the limit stop ring 22 is located in the mounting sleeve 51, and under the elastic force of the elastic component, the outer sleeve 5 moves upward until being stopped by the limit stop ring 22.
Further, in order to reduce the weight, the diameter of the gas injection rod 3 above the second mount 32 is smaller than the diameter of the gas injection rod 3 below the second mount 32.
The utility model has the advantages that: simple structure is practical, sets up installation cover 51 through the top at outer tube 5, elastic connection between installation cover 51 and the gas injection pole 3, and the effort between outer tube 5 and the gas injection pole 3 then is elastic force like this, consequently annotates gas cushion 31 and then can the sealed pressure of elasticity keep off at gas channel 11's last port, and so not only sealed reliable, the life of gas injection pad 31 also lengthens greatly, and the gas injection pad need not frequently change to the supplementary efficiency that has improved the isobaric filling. Meanwhile, the downward acting force of the valve can be effectively reduced compared with the traditional structure in the background technology, and the service life of a quick-wear part in the valve operation can be effectively prolonged.
Claims (8)
1. Gas injection mechanism in isobaric filling valve includes: fix the gas injection pipe at case top, case cavity forms gas passage, be provided with the gas injection pole in the gas injection pipe, clearance between gas injection pipe and the gas injection pole forms the gas injection passageway, the bottom of gas injection pole is provided with the gas injection pad, the gas injection pole is up, down motion can make gas passage and gas injection passageway communicate each other or cut off each other, the gas injection pipe is provided with the outer tube outward, be connected with elastomeric element between outer tube and the gas injection pipe, the outer tube is provided with the valve that can drive outer tube downstream outward and operates, its characterized in that: the upper end of the outer sleeve is connected with an installation sleeve, the upper end of the gas injection pipe extends into the installation sleeve, the upper end of the gas injection rod extends out of the gas injection pipe, the upper port of the gas injection channel is communicated with the inner cavity of the installation sleeve, the installation sleeve is provided with a gas inlet communicated with a backpressure space in the hydraulic cylinder, a compression spring is arranged in the installation sleeve, the upper end and the lower end of the compression spring are respectively connected to a first installation seat and a second installation seat in the installation sleeve, the first installation seat is installed on the inner wall of the installation sleeve, the second installation seat is fixed on the outer wall of the gas injection rod above the gas injection pipe, and the installation sleeve is provided with a driving part capable of driving the gas injection rod to move upwards; under the action of valve operation, the outer sleeve can drive the gas injection rod to move downwards until the gas injection pad is sealed and pressed on the upper port of the gas channel, so that the gas injection channel is separated from the gas channel; then the valve operation is released, and the driving part on the outer sleeve can drive the gas injection rod to move upwards under the action of the elastic force of the elastic part until the gas injection cushion leaves the upper port of the gas channel, so that the gas injection channel is communicated with the gas channel.
2. The gas injection mechanism in an isobaric filling valve according to claim 1, characterized in that: the elastic component between outer tube and gas injection pipe and its mounting structure include: the elastic component is a return spring, the return spring is sleeved on the outer sleeve, the upper end and the lower end of the return spring are respectively connected to an outer sleeve retainer ring and a gas injection pipe retainer ring, the outer sleeve retainer ring is fixed on the outer wall of the outer sleeve, and the gas injection pipe retainer ring is fixed on the outer wall of the gas injection pipe.
3. The gas injection mechanism in an isobaric filling valve according to claim 2, characterized in that: the valve operation includes: the convex stop block is fixed at the end part of the rotating shaft and protrudes outwards from the rotating shaft, the rotating shaft is movably supported on the hydraulic cylinder and extends outwards from the hydraulic cylinder, the rotating shaft outside the hydraulic cylinder is driven by the rotating driving mechanism, and under the driving of the rotating driving mechanism, the rotating shaft can rotate to enable the stop block to press and stop on the outer sleeve check ring and enable the outer sleeve check ring to move downwards or rotate to enable the stop block to rotate away from the outer sleeve check ring, so that the pressing and stopping on the outer sleeve check ring are removed.
4. The mechanism for injecting gas into an isobaric filling valve according to claim 1, 2 or 3, characterized in that: the upper port of the gas channel is a conical port with the caliber gradually reduced from top to bottom, and the gas injection cushion is sealed in the conical port when the gas channel is separated from the gas injection channel.
5. The mechanism for injecting gas into an isobaric filling valve according to claim 1, 2 or 3, characterized in that: the first mounting seat is a clamp spring, and the clamp spring is mounted in a clamping groove in the inner wall of the mounting sleeve.
6. The mechanism for injecting gas into an isobaric filling valve according to claim 1, 2 or 3, characterized in that: the driving part is a blocking step protruding outwards from the inner wall of the mounting sleeve, and the blocking step is arranged at the bottom of the second mounting seat.
7. The gas injection mechanism in an isobaric filling valve according to claim 6, characterized in that: and a limiting check ring is arranged on the outer wall of the gas injection pipe below the second mounting seat, the limiting check ring is positioned in the mounting sleeve, and the outer sleeve moves upwards until being blocked by the limiting check ring under the elastic action of the elastic part.
8. The mechanism for injecting gas into an isobaric filling valve according to claim 1, 2 or 3, characterized in that: the diameter of the gas injection rod above the second retainer ring is smaller than that below the second retainer ring.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022350876.2U CN214031657U (en) | 2020-10-21 | 2020-10-21 | Gas injection mechanism in isobaric filling valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022350876.2U CN214031657U (en) | 2020-10-21 | 2020-10-21 | Gas injection mechanism in isobaric filling valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214031657U true CN214031657U (en) | 2021-08-24 |
Family
ID=77353742
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022350876.2U Withdrawn - After Issue CN214031657U (en) | 2020-10-21 | 2020-10-21 | Gas injection mechanism in isobaric filling valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214031657U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112357863A (en) * | 2020-10-21 | 2021-02-12 | 江苏新美星包装机械股份有限公司 | Gas injection mechanism in isobaric filling valve |
| CN112357863B (en) * | 2020-10-21 | 2024-08-30 | 江苏新美星包装机械股份有限公司 | Gas injection mechanism in isobaric filling valve |
-
2020
- 2020-10-21 CN CN202022350876.2U patent/CN214031657U/en not_active Withdrawn - After Issue
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112357863A (en) * | 2020-10-21 | 2021-02-12 | 江苏新美星包装机械股份有限公司 | Gas injection mechanism in isobaric filling valve |
| CN112357863B (en) * | 2020-10-21 | 2024-08-30 | 江苏新美星包装机械股份有限公司 | Gas injection mechanism in isobaric filling valve |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20210824 Effective date of abandoning: 20240830 |
|
| AV01 | Patent right actively abandoned |
Granted publication date: 20210824 Effective date of abandoning: 20240830 |