CN119076245B - Tank cleaning spray head device - Google Patents
Tank cleaning spray head deviceInfo
- Publication number
- CN119076245B CN119076245B CN202411505386.1A CN202411505386A CN119076245B CN 119076245 B CN119076245 B CN 119076245B CN 202411505386 A CN202411505386 A CN 202411505386A CN 119076245 B CN119076245 B CN 119076245B
- Authority
- CN
- China
- Prior art keywords
- round platform
- connecting rod
- platform cover
- horizontal plane
- cover
- 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.)
- Active
Links
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
- B05B1/00—Nozzles, spray heads or other outlets, with or without auxiliary devices such as valves, heating means
- B05B1/14—Nozzles, spray heads or other outlets, with or without auxiliary devices such as valves, heating means with multiple outlet openings; with strainers in or outside the outlet opening
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
- B05B15/00—Details of spraying plant or spraying apparatus not otherwise provided for; Accessories
- B05B15/60—Arrangements for mounting, supporting or holding spraying apparatus
- B05B15/68—Arrangements for adjusting the position of spray heads
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B08—CLEANING
- B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
- B08B9/00—Cleaning hollow articles by methods or apparatus specially adapted thereto
- B08B9/08—Cleaning containers, e.g. tanks
- B08B9/093—Cleaning containers, e.g. tanks by the force of jets or sprays
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Cleaning By Liquid Or Steam (AREA)
- Cleaning In General (AREA)
Abstract
本发明涉及罐体清洗技术领域，具体涉及一种罐体清洗喷头装置，包括喷头本体，所述喷头本体包括承载环体、第一圆台罩、第二圆台罩，所述第一圆台罩和第二圆台罩分别固定安装于承载环体上下两侧，所述第一圆台罩和第二圆台罩与承载环体之间设置有密封环；所述第一圆台罩和第二圆台罩四周加工有均匀分布的出水孔，所述第一圆台罩和第二圆台罩上的出水孔互相错位且数量一致；还包括调节机构，所述调节机构包括与外部驱动设备相连的可移动的移动连杆，所述移动连杆底端外壁固定连接有支撑连杆，所述移动连杆和支撑连杆底端外壁均通过转轴连接有旋转连杆；本发明结构简单、耐用，能高效的清洗罐体内壁，适用范围广，清洗效果好。
The present invention relates to the technical field of tank cleaning, and specifically to a tank cleaning nozzle device, including a nozzle body, wherein the nozzle body includes a supporting ring body, a first frustum cover, and a second frustum cover, wherein the first frustum cover and the second frustum cover are fixedly installed on the upper and lower sides of the supporting ring body respectively, and a sealing ring is arranged between the first frustum cover and the second frustum cover and the supporting ring body; the first frustum cover and the second frustum cover are processed with evenly distributed water outlet holes around them, and the water outlet holes on the first frustum cover and the second frustum cover are staggered with each other and the number is the same; it also includes an adjusting mechanism, wherein the adjusting mechanism includes a movable movable connecting rod connected to an external driving device, the outer wall of the bottom end of the movable connecting rod is fixedly connected to a supporting connecting rod, and the outer walls of the bottom ends of the movable connecting rod and the supporting connecting rod are both connected to a rotating connecting rod through a rotating shaft; the present invention has a simple structure, is durable, can efficiently clean the inner wall of the tank body, has a wide range of applications, and has a good cleaning effect.
Description
Technical Field
The invention relates to the technical field of tank cleaning, in particular to a tank cleaning spray head device.
Background
Along with the development of industry, various materials and raw materials are mined, transported and refined, can be inevitably used in the transportation and refining processes, the materials and the shapes of the can bodies are quite different according to the requirements of actual production and life, the materials are quite different, namely a polyethylene storage tank, a polypropylene storage tank, a glass fiber reinforced plastic storage tank, a ceramic storage tank, a rubber storage tank, a stainless steel storage tank and the like, the can bodies are quite different according to the shapes, namely can bodies are mainly divided into three types of spherical cans, horizontal cylindrical cans and vertical cylindrical cans according to the shapes, and after the can bodies are used in the transportation and refining processes, raw liquid can remain in the can bodies, and the next use of the can bodies is influenced if the can bodies are not cleaned, so that the can bodies need to be cleaned after the can bodies are used for transportation and refining.
Through retrieval, china patent application number 201520117079.6 discloses a three-dimensional rotary spray head for cleaning a large-volume cylindrical tank body of coal chemical industry and petroleum enterprises, which is provided with a pair of cylindrical cage type fixed brackets consisting of an upper fixed disc, a lower fixed disc and a plurality of inter-disc connecting screws, wherein a vertical rod section of an internal T-shaped spray rod is inserted into the cylindrical cage type fixed brackets from the upper part of the cylindrical cage type fixed brackets along the central line, the lower end of the vertical rod section of the T-shaped spray rod penetrates into a liquid inlet pipeline joint, the upper part of the vertical rod section of the T-shaped spray rod is connected with the upper fixed disc through a conical bearing, the two ends of the vertical rod section of the T-shaped spray rod are nozzle pipes, the two nozzle pipes are arranged at 45 degrees relative to the horizontal rod section, and the lower part of the liquid inlet pipeline joint is connected with the lower fixed disc through an interface flange;
Retrieving again, chinese patent application number 202020251711.7 discloses a cleaning system for a transportation tank, including a tank, a curved connecting rod, a functional component fixed at the end of the connecting rod, a connecting device at the other end of the connecting rod, the connecting rod being connected with a robot through the connecting device, the functional component including a nozzle for cleaning the tank, or a camera for photographing the tank, the above-mentioned patent has the following disadvantages, the cleaning system can clean the tank comprehensively through a plurality of connecting rods, a plurality of driving members and a plurality of nozzles, the equipment cost is high, the subsequent maintenance cost is high, and a plurality of equipment is very easy to cause problems, affecting the use of the device;
In order to simply and comprehensively clean the inside of the tank body, we propose a tank body cleaning nozzle device in view of the above.
Disclosure of Invention
Aiming at the defects existing in the prior art, the invention provides a tank cleaning spray head device, which can effectively solve the problems that the existing mine dust removing equipment is incomplete in cleaning and the personnel and the mine related equipment are affected to move up and down.
In order to achieve the above purpose, the invention is realized by the following technical scheme:
The invention provides a tank body cleaning spray head device, which comprises a spray head body, wherein the spray head body comprises a bearing ring body, a first round platform cover and a second round platform cover, the first round platform cover and the second round platform cover are respectively and fixedly arranged on the upper side and the lower side of the bearing ring body, sealing rings are arranged between the first round platform cover and the second round platform cover and the bearing ring body, evenly distributed water outlet holes are formed in the periphery of the first round platform cover and the periphery of the second round platform cover, the water outlet holes in the first round platform cover and the second round platform cover are staggered and are consistent in number, the tank body cleaning spray head device further comprises an adjusting mechanism, the adjusting mechanism comprises movable connecting rods connected with external driving equipment, the outer walls of the bottom ends of the movable connecting rods are fixedly connected with supporting connecting rods, the movable connecting rods and the outer walls of the bottom ends of the supporting connecting rods are respectively connected with rotary connecting rods through rotary shafts, the movable bearing columns which are located in a central axis, one end of each movable bearing column is rotatably connected with one side of each rotary ball, one end of each rotary connecting rod is fixedly connected with one side of each rotary ball, the movable bearing column is fixedly connected with one side of each rotary ball, the movable connecting rod is fixedly connected with one side of the corresponding cross-shaped cover, and the movable connecting rods are fixedly connected with a plurality of spray nozzle holes, and the movable connecting rods are fixedly connected with the inner walls of the spray nozzle.
Further, the outer wall of the top end of the first round platform cover is fixedly connected with a connecting ring body, the connecting ring body is connected with an external water pipe, and the bottom end of the second round platform cover is in a closed state and is fixedly connected with a stainless steel spray pipe.
Further, the telescopic spray pipe is made of one of rubber and PVC.
Further, the projection of the adjusting connecting rod on one movable carrying column on the horizontal plane is positioned at the angular bisector of the projection of the two adjusting connecting rods on the other movable carrying column on the horizontal plane, and the projection of the movable connecting rod on the horizontal plane is positioned on the angular bisector of the projection included angle of the two adjacent adjusting connecting rods on the upper and lower movable carrying columns on the horizontal plane.
Further, the number of water outlets on the first round platform cover and the second round platform cover is 2-8, the included angle of projection of two adjacent adjusting connecting rods on the same movable bearing column on the horizontal plane is 45-180 degrees, and the included angle of the adjusting connecting rods and the horizontal line is 0-45 degrees.
Further, the included angle between the adjusting connecting rod and the horizontal line is 30 degrees.
Further, the number of water outlets on the first round platform cover and the second round platform cover is four, and the projection included angle of two adjacent adjusting connecting rods on the same movable bearing column on the horizontal plane is 90 degrees.
Still further, the angle between the projection of the adjusting connecting rod on one moving bearing column on the horizontal plane and the two adjacent adjusting connecting rods on the other moving bearing column on the horizontal plane is 45 degrees, and the angle between the rotating connecting rod and the adjacent adjusting connecting rods on the horizontal plane is 22.5 degrees.
Still further, the number of water outlets on the first round platform cover and the second round platform cover is six, and the projection included angle of two adjacent adjusting connecting rods on the same movable bearing column on the horizontal plane is 60 degrees.
Further, the angle between the projection of the adjusting connecting rod on one moving bearing column on the horizontal plane and the angle between the two adjacent adjusting connecting rods on the other moving bearing column on the horizontal plane is 30 degrees, and the angle between the rotating connecting rod and the adjacent adjusting connecting rods on the horizontal plane is 15 degrees.
Advantageous effects
Compared with the known public technology, the technical scheme provided by the invention has the following beneficial effects:
The novel cleaning device has the advantages of simple and durable structure, wide application range and good cleaning effect, and can be used for efficiently cleaning the inner wall of the tank body.
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 description of the embodiments or the prior art will be briefly described below. It is evident that the drawings in the following description are only some embodiments of the present invention and that other drawings may be obtained from these drawings without inventive effort for a person of ordinary skill in the art.
FIG. 1 is a schematic diagram of an overall structure of an embodiment of the present invention;
FIG. 2 is a schematic diagram of an overall explosion structure according to an embodiment of the present invention;
FIG. 3 is a schematic diagram of an exploded view of an adjusting mechanism according to an embodiment of the present invention;
FIG. 4 is a schematic view illustrating an angle between an adjusting link and a horizontal plane according to an embodiment of the present invention;
FIG. 5 is a schematic top view of an embodiment of the present invention;
fig. 6 is a schematic top view of a second embodiment of the present invention.
Drawings
100 Parts of a spray head body, 101 parts of a bearing ring body, 110 parts of a first round platform cover, 111 parts of a connecting ring body, 120 parts of a second round platform cover and 121 parts of a stainless steel spray pipe;
200-adjusting mechanism, 210-moving connecting rod, 211-supporting connecting rod, 212-rotating connecting rod, 220-moving bearing column, 221-adjusting connecting rod, 222-connecting rotating bead and 223-cross spray ring;
300-telescopic nozzle.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention more clear, the technical solutions of 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. It will be apparent that the described embodiments are some, but not all, embodiments of the invention. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
The invention is further described below with reference to examples.
Examples
1-3, A tank cleaning spray head device comprises a spray head body 100, wherein the spray head body 100 comprises a bearing ring body 101, a first round table cover 110 and a second round table cover 120, the first round table cover 110 and the second round table cover 120 are respectively and fixedly arranged on the upper side and the lower side of the bearing ring body 101, sealing rings are arranged between the first round table cover 110 and the second round table cover 120 and the bearing ring body 101, the sealing rings ensure the tightness among the bearing ring body 101, the first round table cover 110 and the second round table cover 120, water is prevented from flowing out of the spray head body 100, and the effect of influencing the subsequent cleaning water flow is avoided;
the adjusting mechanism 200 further comprises two movable bearing columns 220 which are positioned in the same central axis and are respectively positioned in the first round platform cover 110 and the second round platform cover 120, one ends of the movable bearing columns 220 are rotationally connected with a connecting rotating ball 222, one ends of the rotary connecting rods 212 are fixedly connected with one side of the connecting rotating ball 222, evenly distributed adjusting connecting rods 221 are fixedly connected around the movable bearing columns 220, the adjusting connecting rods 221 are respectively positioned in water outlet holes of the first round platform cover 110 and the second round platform cover 120, the included angle between each adjusting connecting rod 221 and a horizontal line is 0-45 degrees, and one ends of the adjusting connecting rods 221 are fixedly connected with a cross spray ring 223; the included angle between the adjusting connecting rod 221 and the horizontal line is 0-45 degrees, the number of the adjusting connecting rods 221 on each movable bearing column 220 is respectively consistent with the number of the water outlets on the first round platform cover 110 and the second round platform cover 120 in the corresponding space, namely, the water outlets on the first round platform cover 110 and the second round platform cover 120 are also in the same included angle with the horizontal line, so that the water sprayed by the spray head device in the patent is sprayed obliquely, the water spraying coverage area is increased, the external driving device drives the two movable connecting rods 210 to approach each other or separate from each other, thereby adjusting the two movable bearing columns 220 to separate from each other or approach each other, further causing the adjusting connecting rods 221 to change positions in the water outlets of the first round platform cover 110 and the second round platform cover 120, so as to realize the change of the water outlet angle of the cross spray ring 223, the angle between the projections of two adjacent adjusting connecting rods 221 on the same moving bearing column 220 on the horizontal plane is 45-180 degrees, the projection of the adjusting connecting rod 221 on one moving bearing column 220 on the horizontal plane is positioned at the angle bisector of the projection of the two adjusting connecting rods 221 on the other moving bearing column 220 on the horizontal plane, the projection of the moving connecting rod 210 on the horizontal plane is positioned on the angle bisector of the projection angle of the two adjacent adjusting connecting rods 221 on the upper and lower moving bearing columns 220 on the horizontal plane, and the moving connecting rod 210 has a larger moving area in the middle of the upper and lower adjusting connecting rods 221 under the condition of having the shape, so as to avoid collision with the adjusting connecting rods 221;
The telescopic spray pipes 300 are respectively arranged at the water outlet holes of the first circular truncated cone cover 110 and the second circular truncated cone cover 120, the inner wall of the telescopic spray pipe 300 is fixedly connected with the cross spray ring 223, and the telescopic spray pipes 300 are made of one of rubber and PVC;
As shown in FIG. 4, the preferred adjusting link 221 of the present invention is at an angle of 30 to the horizontal;
As shown in fig. 5, in the preferred embodiment, the number of water outlets on the first circular truncated cone cover 110 and the second circular truncated cone cover 120 is four, that is, the projected included angle of two adjacent adjusting connecting rods 221 on the same moving bearing column 220 on the horizontal plane is 90 °, while the projected included angle of two adjacent adjusting connecting rods 221 on one moving bearing column 220 on the horizontal plane and the included angle of two adjacent adjusting connecting rods 221 on the other moving bearing column 220 on the horizontal plane are 45 °, and the included angle of the rotating connecting rod 212 and the adjacent adjusting connecting rods 221 on the horizontal plane is 22.5 °;
In this embodiment, the device is installed on a water pipe through the connection ring 111, the moving connecting rod 210 is connected with an external driving device, then the spray head device is placed in a tank body to be cleaned, water is introduced into the water pipe, at this time, water flows into the spray head body 100, then the water flows into the tank body through water outlet holes on the first circular truncated cone cover 110 and the second circular truncated cone cover 120 and the telescopic spray pipes 300 and 213, a worker adjusts the sprayed height according to the position of the spray head device, that is, the external driving device drives the two moving connecting rods 210 to approach each other, at this time, the two moving bearing columns 220 are far away from each other, the adjusting connecting rod 221 positioned in the first circular truncated cone cover 110 moves upwards, so that the telescopic spray pipe 300 on the first circular truncated cone cover 110 is turned upwards, the adjusting connecting rod 221 positioned in the second circular truncated cone cover 120 moves downwards, so that the telescopic spray pipe 300 on the second circular truncated cone cover 120 is turned downwards, the angle between the upper water spray and the lower water spray is adjusted to be large, and when the two moving connecting rods 210 are driven to move away from each other, the angle for detecting the upper water and the lower water spray quality is adjusted to be small, and the cleaning range of the tank body is adjusted.
Examples
As shown in fig. 6, in the preferred embodiment, the number of water outlets on the first circular table cover 110 and the second circular table cover 120 is six, that is, the included angle between the projections of two adjacent adjusting links 221 on the same moving supporting column 220 on the horizontal plane is 60 °, while the included angle between the projection of the adjusting link 221 on one moving supporting column 220 on the horizontal plane and the included angle between the two adjacent adjusting links 221 on the other moving supporting column 220 on the horizontal plane is 30 °, the included angle between the rotating link 212 and the adjacent adjusting link 221 on the horizontal plane is 15 °, and the total of twelve water outlets is twelve, and although a larger water amount is needed, compared with the total of eight water outlets, the cleaning effect is better and the cleaning speed is faster.
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 foregoing embodiments may be modified or equivalents may be substituted for some of the features thereof, and that the modification or substitution does not depart from the spirit and scope of the embodiments.
Claims (10)
1. A tank cleaning spray head device, comprising:
The spray head comprises a spray head body (100), wherein the spray head body (100) comprises a bearing ring body (101), a first round platform cover (110) and a second round platform cover (120), the first round platform cover (110) and the second round platform cover (120) are respectively and fixedly arranged on the upper side and the lower side of the bearing ring body (101), a sealing ring is arranged between the first round platform cover (110) and the second round platform cover (120) and the bearing ring body (101), evenly distributed water outlets are formed in the periphery of the first round platform cover (110) and the periphery of the second round platform cover (120), and the water outlets on the first round platform cover (110) and the second round platform cover (120) are staggered mutually and are consistent in number;
The automatic water spraying device comprises a rotary spraying device, and is characterized by further comprising an adjusting mechanism (200), wherein the adjusting mechanism (200) comprises a movable connecting rod (210) connected with external driving equipment, a supporting connecting rod (211) is fixedly connected to the outer wall of the bottom end of the movable connecting rod (210), rotary connecting rods (212) are connected to the outer walls of the bottom ends of the movable connecting rod (210) and the supporting connecting rod (211) through rotating shafts, the adjusting mechanism (200) further comprises two movable bearing columns (220) which are positioned in the same central axis and are respectively positioned in a first round platform cover (110) and a second round platform cover (120), one end of each movable bearing column (220) is rotatably connected with a connecting rotating ball (222), one end of each rotary connecting rod (212) is fixedly connected to one side of the connecting rotating ball (222), uniformly distributed adjusting connecting rods (221) are fixedly connected to the periphery of each movable bearing column (220), and are respectively positioned in water outlet holes of the first round platform cover (110) and the second round platform cover (120), and one end of each adjusting connecting rod (221) is fixedly connected with a cross spraying ring (223);
the novel water jet device further comprises a plurality of telescopic jet pipes (300), wherein the telescopic jet pipes (300) are respectively arranged at water outlets of the first circular truncated cone cover (110) and the second circular truncated cone cover (120), and the inner wall of the telescopic jet pipe is fixedly connected with the cross jet ring (223).
2. A tank cleaning head apparatus as claimed in claim 1, wherein,
The outer wall of the top end of the first round platform cover (110) is fixedly connected with a connecting ring body (111), the connecting ring body (111) is connected with an external water pipe, the bottom end of the second round platform cover (120) is in a closed state, and the connecting ring body is fixedly connected with a stainless steel spray pipe (121).
3. A tank cleaning head apparatus according to claim 2, wherein,
The telescopic spray pipe (300) is made of one of rubber and PVC.
4. A tank cleaning head apparatus as claimed in claim 3, wherein,
The projection of the adjusting connecting rod (221) on one moving bearing column (220) on the horizontal plane is positioned at the angular bisector of the projection of the two adjusting connecting rods (221) on the other moving bearing column (220) on the horizontal plane;
The projection of the movable connecting rod (210) on the horizontal plane is positioned on the angular bisector of the projection included angle of two adjacent adjusting connecting rods (221) on the upper and lower movable bearing columns (220) on the horizontal plane.
5. A tank cleaning head apparatus as claimed in claim 4, wherein,
The number of water outlets on the first round platform cover (110) and the second round platform cover (120) is 2-8;
the included angle of the projection of two adjacent adjusting connecting rods (221) on the same movable bearing column (220) on the horizontal plane is 45-180 degrees;
The included angle between the adjusting connecting rod (221) and the horizontal line is 0-45 degrees.
6. A tank cleaning head apparatus as claimed in claim 5, wherein,
The included angle between the adjusting connecting rod (221) and the horizontal line is 30 degrees.
7. A tank cleaning head apparatus as claimed in claim 6, wherein,
The number of water outlets on the first round platform cover (110) and the second round platform cover (120) is four;
the angle between the projections of two adjacent adjusting links (221) on the same movable bearing column (220) on the horizontal plane is 90 degrees.
8. A tank cleaning head apparatus as claimed in claim 7, wherein,
The projection of the adjusting connecting rod (221) on one moving bearing column (220) on the horizontal plane and the included angle of two adjacent adjusting connecting rods (221) on the other moving bearing column (220) on the horizontal plane are 45 degrees;
The included angle between the rotary connecting rod (212) and the adjacent adjusting connecting rod (221) on the horizontal plane is 22.5 degrees.
9. A tank cleaning head apparatus as claimed in claim 6, wherein,
The number of water outlets on the first round platform cover (110) and the second round platform cover (120) is six;
the projection angle of two adjacent adjusting connecting rods (221) on the same movable bearing column (220) on the horizontal plane is 60 degrees.
10. A tank cleaning head apparatus as claimed in claim 9, wherein,
The projection of the adjusting connecting rod (221) on one moving bearing column (220) on the horizontal plane and the included angle of two adjacent adjusting connecting rods (221) on the other moving bearing column (220) on the horizontal plane are 30 degrees;
The included angle between the rotary connecting rod (212) and the adjacent adjusting connecting rod (221) on the horizontal plane is 15 degrees.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202411505386.1A CN119076245B (en) | 2024-10-25 | 2024-10-25 | Tank cleaning spray head device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202411505386.1A CN119076245B (en) | 2024-10-25 | 2024-10-25 | Tank cleaning spray head device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN119076245A CN119076245A (en) | 2024-12-06 |
| CN119076245B true CN119076245B (en) | 2025-09-26 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202411505386.1A Active CN119076245B (en) | 2024-10-25 | 2024-10-25 | Tank cleaning spray head device |
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| Country | Link |
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| CN (1) | CN119076245B (en) |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| AU2005100642A4 (en) * | 2005-03-24 | 2005-09-22 | Leon Joseph Caccaviello | Spraying |
| CN117339949A (en) * | 2023-10-31 | 2024-01-05 | 浙江大学医学院附属第一医院 | Ostomy bag flushing system |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201791117U (en) * | 2010-09-21 | 2011-04-13 | 段永改 | Vertical column type disinfection channel |
| US20230240487A1 (en) * | 2022-01-31 | 2023-08-03 | Ronald Christopher Duncan, Jr. | Portable automated toilet cleaning apparatus |
| CN220142924U (en) * | 2023-06-20 | 2023-12-08 | 张婷婷 | Dust fall device convenient for angle adjustment for constructional engineering |
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- 2024-10-25 CN CN202411505386.1A patent/CN119076245B/en active Active
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| AU2005100642A4 (en) * | 2005-03-24 | 2005-09-22 | Leon Joseph Caccaviello | Spraying |
| CN117339949A (en) * | 2023-10-31 | 2024-01-05 | 浙江大学医学院附属第一医院 | Ostomy bag flushing system |
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| Publication number | Publication date |
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| CN119076245A (en) | 2024-12-06 |
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