CN214525441U - Liquid outlet structure of barrel - Google Patents
Liquid outlet structure of barrel Download PDFInfo
- Publication number
- CN214525441U CN214525441U CN202120745198.1U CN202120745198U CN214525441U CN 214525441 U CN214525441 U CN 214525441U CN 202120745198 U CN202120745198 U CN 202120745198U CN 214525441 U CN214525441 U CN 214525441U
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- China
- Prior art keywords
- sealing plug
- sealing
- plug
- liquid outlet
- barrel
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
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- 239000007788 liquid Substances 0.000 title claims abstract description 100
- 238000007789 sealing Methods 0.000 claims abstract description 188
- 238000010079 rubber tapping Methods 0.000 claims abstract description 9
- 230000002093 peripheral effect Effects 0.000 claims description 5
- 230000002265 prevention Effects 0.000 claims description 4
- 230000003247 decreasing effect Effects 0.000 claims description 3
- 238000004519 manufacturing process Methods 0.000 description 5
- 230000000903 blocking effect Effects 0.000 description 2
- 239000004033 plastic Substances 0.000 description 2
- 229920003023 plastic Polymers 0.000 description 2
- 239000002023 wood Substances 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000000750 progressive effect Effects 0.000 description 1
- 230000035484 reaction time Effects 0.000 description 1
- 229910001220 stainless steel Inorganic materials 0.000 description 1
- 239000010935 stainless steel Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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Abstract
The embodiment of the utility model provides a liquid outlet structure of a barrel, which comprises a sealing cover and a sealing plug; one end of the sealing plug in the length direction is taken as a first end of the sealing plug, the other end of the sealing plug in the length direction is taken as a second end of the sealing plug, and a liquid outlet hole which penetrates through the sealing plug from the first end of the sealing plug to the second end of the sealing plug is formed in the sealing plug; the sealing cover is connected to the first end of the sealing plug in a detachable mode and covers the opening of the liquid outlet hole at the first end of the sealing plug; a gasket is provided on the inner surface of the seal cover to be able to abut against the outer surface of the seal plug in an assembled state. The utility model discloses the staving has been alleviated among the prior art and has been put the inconvenient and high technical problem of cost of tapping that the liquid exists through leading tapping.
Description
Technical Field
The utility model belongs to the technical field of liquid container and specifically relates to a liquid outlet structure of bucket is related to.
Background
Currently, the removal of liquids from barrels, for example, the removal of wine from barrels, is mostly accomplished by placing the wine out through a stainless steel tap having an inside diameter of about 4-6 mm mounted on the side of the barrel.
However, since the inner diameter of the tap is small, it is necessary to additionally provide a vent hole in the barrel in order to discharge the liquid, and when the liquid is taken out, the vent hole is kept in an open state, otherwise the liquid cannot be discharged, and if the tap with a large inner diameter is used, although the vent hole is not additionally provided, the liquid discharge speed is high, which causes splashing, or the discharged liquid rapidly fills up and overflows the cup, which causes a problem that the process of discharging the liquid in the barrel is inconvenient since the reaction time of the person receiving the liquid is short, and in addition, the tap is installed on the side surface of the barrel, which has a disadvantage of high manufacturing cost.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a liquid outlet structure of bucket to alleviate the inconvenient and high technical problem of cost of tapping that prior art staving exists through leading tapping.
In order to achieve the purpose, the embodiment of the utility model adopts the following technical scheme:
the embodiment of the utility model provides a liquid outlet structure of a barrel, which comprises a sealing cover and a sealing plug;
one end of the sealing plug in the length direction is taken as a first end of the sealing plug, the other end of the sealing plug in the length direction is taken as a second end of the sealing plug, and a liquid outlet hole which penetrates through the sealing plug from the first end of the sealing plug to the second end of the sealing plug is formed in the sealing plug;
the sealing cover is detachably connected to the first end of the sealing plug and covers the opening of the liquid outlet hole at the first end of the sealing plug;
and a sealing gasket which can be abutted against the outer surface of the sealing plug in an assembling state is arranged on the inner side surface of the sealing cover.
In an optional embodiment, the liquid outlet structure of the barrel further comprises a backflow prevention structure, and the backflow prevention structure comprises a limiting inner plug and a check ball;
the limiting inner plug is hollow, an opening communicated with the hollow part in the limiting inner plug is formed in one end of the limiting inner plug in the length direction, and a closed end is formed at the other end of the limiting inner plug in the length direction;
the limiting inner plug is arranged inside the liquid outlet hole of the sealing plug, and an opening of the limiting inner plug is communicated with an opening of the liquid outlet hole at the second end of the sealing plug;
the peripheral surface of the limit inner plug is provided with a through hole for communicating the inner hollow part of the limit inner plug with the liquid outlet hole of the sealing plug;
the check ball is movably arranged inside the limiting inner plug, the diameter of the check ball is larger than the maximum diameter of an opening of the liquid outlet hole at the second end of the sealing plug, and the diameter of the check ball is larger than the maximum diameter of the through hole.
In an alternative embodiment, the sealing cover has an inner thread on its inner circumference, and an outer thread on its outer circumference at the first end of the sealing plug, and the sealing cover is connected to the first end of the sealing plug in such a manner that the inner thread is screwed with the outer thread.
In an alternative embodiment, sealing teeth are provided on the outer circumferential surface of the sealing plug; the sealing tooth is configured to abut against the inner wall of the liquid outlet pipe orifice under the condition that the second end of the sealing plug is plugged into the liquid outlet pipe orifice arranged on the barrel wall.
In an alternative embodiment, the sealing tooth is integrally formed on the outer circumferential surface of the sealing plug.
In an alternative embodiment, the sealing tooth is formed as an annular tooth around a radial circumference of the sealing plug.
In an alternative embodiment, the sealing tooth is inclined from the tooth root to the tooth tip towards the first end of the sealing plug to form a tooth-reversing structure.
In an alternative embodiment, a limit stop ring is further arranged on the peripheral surface of the sealing plug; the limiting baffle ring is configured to be capable of abutting against the outlet end face of the liquid outlet pipe orifice under the condition that the second end of the sealing plug is plugged into the liquid outlet pipe orifice arranged on the barrel wall.
In an alternative embodiment, the sealing plug is formed as a tapered structure with a decreasing outer diameter in a direction extending from the first end of the sealing plug to the second end of the sealing plug.
In an alternative embodiment, the sealing cover comprises an outer cover body and an inner blocking plug which are connected with each other, and a step surface is formed at the joint of the outer cover body and the inner blocking plug;
the gasket comprises a first gasket and a second gasket;
the first sealing gasket is arranged on the end face of one end of the outer cover body facing the sealing plug in an assembling state and is configured to be capable of abutting against the end face of the first end of the sealing plug in the assembling state; the second sealing gasket is arranged on the peripheral surface of the internal sealing plug and is configured to abut against the hole wall of the liquid outlet hole of the sealing plug at the first end of the sealing plug in an assembling state.
The embodiment of the utility model provides a can realize following beneficial effect:
an embodiment of the utility model provides a liquid outlet structure of bucket, including sealed lid and sealing plug. Specifically, one end of the sealing plug in the length direction is taken as a first end of the sealing plug, the other end of the sealing plug in the length direction is taken as a second end of the sealing plug, and a liquid outlet hole which penetrates through the sealing plug from the first end of the sealing plug to the second end of the sealing plug is formed in the sealing plug; the sealing cover is connected to the first end of the sealing plug in a detachable mode and covers the opening of the liquid outlet hole at the first end of the sealing plug; a gasket is provided on the inner surface of the seal cover to be able to abut against the outer surface of the seal plug in an assembled state.
The liquid outlet structure's of bucket that this embodiment provided mode of use as follows: adding wine or required liquid into the barrel; after the sealing cover and the sealing plug are assembled according to the structure, the second end of the sealing plug is plugged into a liquid outlet pipe opening arranged on the barrel wall, and then the liquid outlet pipe opening can be sealed; when liquid is required to be taken out, the sealing cover is taken down, the diameter of the liquid outlet hole is preferably set to be about 16mm, the liquid outlet hole is far larger than the diameter of the existing faucet, namely 4mm-6mm, so that other air vent structures do not need to be set for taking liquid, the problem that the excessive diameter faucet takes wine to fly gradually is solved, and meanwhile, compared with the faucet, the liquid outlet structure of the barrel provided by the embodiment is easy to manufacture, can be made of low-price consumables such as wood or food-grade plastics and is lower in manufacturing cost.
To sum up, this embodiment has alleviated the inconvenient and high technical problem of cost of tapping that the staving passed through tap tapping existence among the prior art at least.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the embodiments or the technical solutions in the prior art will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.
Fig. 1 is a schematic view of an overall structure of a liquid outlet structure of a barrel according to an embodiment of the present invention.
Icon: 1-sealing plug; 11-seal teeth; 12-a limit stop ring; 2-limiting an inner plug; 21-a through hole; 3-sealing the cover; 31-an outer cover; 32-internal plugging; 4-check ball; 5-sealing gasket.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. The components of embodiments of the present invention, as generally described and illustrated in the figures herein, may be arranged and designed in a wide variety of different configurations.
Thus, the following detailed description of the embodiments of the present invention, presented in the accompanying drawings, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.
It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, it need not be further defined and explained in subsequent figures.
In the description of the present invention, it should be noted that the terms "upper", "lower", "vertical", "horizontal", "inner", "outer", and the like indicate the directions or positional relationships based on the directions or positional relationships shown in the drawings, or the directions or positional relationships that the products of the present invention are usually placed when in use, and are only for convenience of describing the present invention and simplifying the description, but do not indicate or imply that the device or element to which the term refers must have a specific direction, be constructed and operated in a specific direction, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," "third," and the like are used solely to distinguish one from another and are not to be construed as indicating or implying relative importance.
Furthermore, the terms "horizontal", "vertical" and the like do not imply that the components are required to be absolutely horizontal or pendant, but rather may be slightly inclined. For example, "horizontal" merely means that the direction is more horizontal than "vertical" and does not mean that the structure must be perfectly horizontal, but may be slightly inclined.
In the description of the present invention, it should also be noted that, unless otherwise explicitly specified or limited, the terms "disposed," "mounted," and "connected" are to be construed broadly, e.g., as meaning fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.
Some embodiments of the present invention will be described in detail below with reference to the accompanying drawings. The embodiments and features of the embodiments described below may be combined with each other without conflict.
The embodiment of the utility model provides a liquid outlet structure of bucket, referring to fig. 1, the liquid outlet structure of this bucket is including sealed lid 3 and sealing plug 1. Specifically, one end of the sealing plug 1 in the length direction is taken as a first end of the sealing plug 1, the other end of the sealing plug 1 in the length direction is taken as a second end of the sealing plug 1, and a liquid outlet hole which penetrates through the sealing plug 1 from the first end of the sealing plug 1 to the second end of the sealing plug 1 is formed in the sealing plug 1; the sealing cover 3 is connected to the first end of the sealing plug 1 in a detachable mode and covers the opening of the liquid outlet hole at the first end of the sealing plug 1; a gasket 5 is provided on the inner surface of the sealing cap 3 to be able to abut against the outer surface of the sealing plug 1 in the assembled state.
The liquid outlet structure's of bucket that this embodiment provided mode of use as follows: adding wine or required liquid into the barrel; after the sealing cover 3 and the sealing plug 1 are assembled according to the structure, the second end of the sealing plug 1 is plugged into a liquid outlet pipe opening arranged on the barrel wall, and then the liquid outlet pipe opening can be sealed; when liquid is required to be taken out, the sealing cover 3 is taken down, the diameter of the liquid outlet hole is preferably set to be about 16mm, the liquid outlet hole is far larger than the diameter of the existing faucet, namely 4mm-6mm, so that other air vent structures do not need to be set for taking liquid, the problem that the excessive diameter faucet takes wine to fly gradually is solved, and meanwhile, compared with the faucet, the liquid outlet structure of the barrel provided by the embodiment is easy to manufacture, can be made of low-price consumables such as wood or food-grade plastics, and is lower in manufacturing cost.
To sum up, this embodiment has alleviated the inconvenient and high technical problem of cost of tapping that the staving passed through tap tapping existence among the prior art at least.
In addition, in the prior art, no backflow preventing device is arranged at the outlet of the liquid barrel, wine liquid sprinkled on the barrel flows back into the barrel, and further wine brewing in the barrel is possibly polluted, and in order to avoid the phenomenon, reference is continued to be made to fig. 1, in an optional implementation manner of the embodiment, preferably, the liquid outlet structure of the barrel further comprises a backflow preventing structure, and specifically, the backflow preventing structure comprises a limiting inner plug 2 and a backflow preventing ball 4; the limiting inner plug 2 is hollow, an opening communicated with the hollow part in the limiting inner plug 2 is formed in one end of the limiting inner plug 2 in the length direction, and a closed end is formed at the other end of the limiting inner plug 2 in the length direction; the limiting inner plug 2 is arranged inside the liquid outlet hole of the sealing plug 1, and an opening of the limiting inner plug 2 is communicated with an opening of the liquid outlet hole at the second end of the sealing plug 1; the circumferential surface of the limiting inner plug 2 is provided with a through hole 21 for communicating the hollow part inside the limiting inner plug 2 with the liquid outlet hole of the sealing plug 1; the check ball 4 is movably arranged in the limiting inner plug 2, the diameter of the check ball 4 is larger than the maximum diameter of the opening of the liquid outlet hole at the second end of the sealing plug 1, and the diameter of the check ball 4 is larger than the maximum diameter of the through hole 21.
When the liquid taking device is used, the sealing cover 3 is opened, the barrel is rotated, liquid in the barrel can be sprayed to the opening of the liquid outlet hole at the second end of the sealing plug 1 from the liquid outlet pipe orifice under the action of pressure, the check ball 4 is pushed open, the liquid flows out of the liquid outlet hole from the through hole 21 formed in the circumferential surface of the limiting inner plug 2, and finally flows out of the opening of the liquid outlet hole at the first end of the sealing plug 1 to carry out liquid taking operation; due to the fact that the check ball 4 is arranged, the diameter of the check ball 4 is larger than the maximum diameter of the opening of the liquid outlet hole at the second end of the sealing plug 1, and the diameter of the check ball 4 is larger than the maximum diameter of the through hole 21, after the barrel stops rotating, the opening of the liquid outlet hole at the first end of the sealing plug 1 is sealed by the check ball 4, liquid is prevented from flowing back into the barrel, and liquid in the barrel is prevented from being polluted.
In an alternative embodiment of this embodiment, it is preferable that the inner circumferential surface of the sealing cover 3 is provided with an internal thread, the outer circumferential surface of the first end of the sealing plug 1 is provided with an external thread, and the sealing cover 3 is connected to the first end of the sealing plug 1 in a manner that the internal thread is screwed with the external thread.
With continued reference to fig. 1, in an alternative embodiment of the present embodiment, it is preferable that a sealing tooth 11 is provided on the outer circumferential surface of the sealing plug 1; the sealing tooth 11 is configured to abut against the inner wall of the liquid outlet pipe orifice under the condition that the second end of the sealing plug 1 is plugged into the liquid outlet pipe orifice arranged on the barrel wall, so that the liquid in the barrel can be further prevented from being polluted. In order to increase the structural strength of the sealing tooth 11 and prevent the sealing tooth 11 from falling off, it is further preferable that the sealing tooth 11 is integrally formed on the outer circumferential surface of the sealing plug 1. Preferably, the sealing tooth 11 is formed as an annular tooth around the radial circumference of the sealing plug 1, and in order to further increase the sealing reliability of the sealing tooth 11, the sealing tooth 11 is preferably formed as an inverted tooth structure inclined from the tooth root to the tooth tip direction toward the first end of the sealing plug 1.
With continued reference to fig. 1, in an alternative embodiment of this embodiment, it is preferable that a stopper ring 12 is further provided on the circumferential surface of the sealing plug 1; the stop ring 12 is configured to abut against the outlet end face of the liquid outlet pipe orifice under the condition that the second end of the sealing plug 1 is plugged into the liquid outlet pipe orifice arranged on the barrel wall, so as to prevent the sealing plug 1 from falling into the barrel.
With continued reference to fig. 1, in order to further improve the sealing reliability, in an alternative embodiment of this embodiment, it is preferred that the sealing plug 1 is formed as a tapered structure with an outer diameter decreasing gradually in a direction extending from the first end of the sealing plug 1 to the second end of the sealing plug 1.
With continued reference to fig. 1, in order to further improve the sealing reliability, in an alternative embodiment of the present embodiment, it is preferable that the sealing cover 3 includes an outer cover 31 and an inner plug 32 connected to each other, and a step surface is formed at a connection position of the outer cover 31 and the inner plug 32; the gasket 5 includes a first gasket and a second gasket; the first gasket is provided on the end face of the outer cover 31 facing the end of the sealing plug 1 in the assembled state and is arranged to abut against the end face of the first end of the sealing plug 1 in the assembled state; the second gasket is arranged on the outer circumferential surface of the inner plug 32 and is arranged to abut against the wall of the liquid outlet hole of the sealing plug 1 at the first end of the sealing plug in the assembled state.
Finally, it should be noted that:
1. the liquid outlet structure of the barrel provided by the embodiment can be applied to wine barrels, and is also suitable for preventing liquid from flowing backwards into containers on other containers;
2. the embodiments in the present description are all described in a progressive manner, each embodiment focuses on the differences from the other embodiments, and the same and similar parts among the embodiments can be referred to each other; the above embodiments in the present specification are only used for illustrating the technical solution of the present invention, and not for limiting the same; although the present invention has been described in detail with reference to the foregoing embodiments, it should be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; such modifications and substitutions do not depart from the spirit and scope of the present invention.
Claims (10)
1. A liquid outlet structure of a barrel is characterized by comprising a sealing cover (3) and a sealing plug (1);
one end of the sealing plug (1) in the length direction is taken as a first end of the sealing plug (1), the other end of the sealing plug (1) in the length direction is taken as a second end of the sealing plug (1), and a liquid outlet hole which penetrates through the sealing plug (1) from the first end of the sealing plug (1) to the second end of the sealing plug (1) is formed in the sealing plug (1);
the sealing cover (3) is detachably connected to the first end of the sealing plug (1) and covers the opening of the liquid outlet hole at the first end of the sealing plug (1);
a sealing gasket (5) which can be abutted against the outer surface of the sealing plug (1) in an assembling state is arranged on the inner side surface of the sealing cover (3).
2. The liquid outlet structure of the barrel as claimed in claim 1, wherein the liquid outlet structure of the barrel further comprises a backflow prevention structure, the backflow prevention structure comprising a limiting inner plug (2) and a check ball (4);
the limiting inner plug (2) is hollow, an opening communicated with the hollow part in the limiting inner plug (2) is formed in one end of the limiting inner plug (2) in the length direction, and the other end of the limiting inner plug (2) in the length direction is formed into a closed end;
the limiting inner plug (2) is arranged inside the liquid outlet hole of the sealing plug (1), and an opening of the limiting inner plug (2) is communicated with an opening of the liquid outlet hole at the second end of the sealing plug (1);
the peripheral surface of the limit inner plug (2) is provided with a through hole (21) for communicating the hollow part inside the limit inner plug (2) with the liquid outlet hole of the sealing plug (1);
the check ball (4) is movably arranged inside the limiting inner plug (2), the diameter of the check ball (4) is larger than the maximum diameter of an opening of the liquid outlet hole at the second end of the sealing plug (1), and the diameter of the check ball (4) is larger than the maximum diameter of the through hole (21).
3. The structure of a liquid outlet of a barrel according to claim 1 or 2, wherein the sealing cap (3) has an inner circumferential surface provided with an internal thread, the sealing plug (1) has an outer circumferential surface provided with an external thread at a first end thereof, and the sealing cap (3) is connected to the first end of the sealing plug (1) in such a manner that the internal thread is threadedly engaged with the external thread.
4. The structure of a liquid outlet of a barrel according to claim 1 or 2, wherein a sealing tooth (11) is provided on the outer circumferential surface of the sealing plug (1); the sealing tooth (11) is configured to be capable of abutting against the inner wall of a liquid outlet pipe opening arranged on the barrel wall under the condition that the second end of the sealing plug (1) is plugged into the liquid outlet pipe opening.
5. The barrel outlet structure according to claim 4, wherein the sealing teeth (11) are integrally formed on the outer circumferential surface of the sealing plug (1).
6. The cartridge outlet opening arrangement according to claim 4, characterized in that the sealing tooth (11) is formed as an annular tooth around the radial circumference of the sealing plug (1).
7. The outlet opening arrangement of a barrel according to claim 4, wherein the sealing tooth (11) is inclined from a tooth root to a tooth tip towards the first end of the sealing plug (1) to form an inverted tooth arrangement.
8. The structure of a liquid outlet of a barrel according to claim 1 or 2, wherein a limit stop ring (12) is further provided on the circumferential surface of the sealing plug (1); the limiting baffle ring (12) is configured to be capable of abutting against the outlet end face of a liquid outlet pipe orifice under the condition that the second end of the sealing plug (1) is plugged into the liquid outlet pipe orifice arranged on the barrel wall.
9. The tapping opening arrangement of a keg as claimed in claim 1 or 2, characterized in that the sealing plug (1) is formed as a conical structure with a decreasing outer diameter in the direction extending from the first end of the sealing plug (1) to the second end of the sealing plug (1).
10. The barrel exit port arrangement of claim 1 or 2,
the sealing cover (3) comprises an outer cover body (31) and an inner sealing plug (32) which are connected with each other, and a step surface is formed at the joint of the outer cover body (31) and the inner sealing plug (32);
the sealing gasket (5) comprises a first sealing gasket and a second sealing gasket;
the first gasket is arranged on an end face of the outer cover (31) facing one end of the sealing plug (1) in the assembled state and is configured to abut against the end face of the first end of the sealing plug (1) in the assembled state; the second sealing gasket is arranged on the outer peripheral surface of the inner sealing plug (32) and is configured to be capable of abutting against the hole wall of the liquid outlet hole of the sealing plug (1) at the first end of the sealing plug in an assembling state.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120745198.1U CN214525441U (en) | 2021-04-13 | 2021-04-13 | Liquid outlet structure of barrel |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120745198.1U CN214525441U (en) | 2021-04-13 | 2021-04-13 | Liquid outlet structure of barrel |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214525441U true CN214525441U (en) | 2021-10-29 |
Family
ID=78273680
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120745198.1U Expired - Fee Related CN214525441U (en) | 2021-04-13 | 2021-04-13 | Liquid outlet structure of barrel |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214525441U (en) |
-
2021
- 2021-04-13 CN CN202120745198.1U patent/CN214525441U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20211029 |