TWM321086U - Improved structure on a drain - Google Patents

Improved structure on a drain Download PDF

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Publication number
TWM321086U
TWM321086U TW96207888U TW96207888U TWM321086U TW M321086 U TWM321086 U TW M321086U TW 96207888 U TW96207888 U TW 96207888U TW 96207888 U TW96207888 U TW 96207888U TW M321086 U TWM321086 U TW M321086U
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TW
Taiwan
Prior art keywords
drainer
improved
patent application
condensate container
drain
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Application number
TW96207888U
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Chinese (zh)
Inventor
Ching-Yuan Chou
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Harvestman Ind Co Ltd
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Application filed by Harvestman Ind Co Ltd filed Critical Harvestman Ind Co Ltd
Priority to TW96207888U priority Critical patent/TWM321086U/en
Publication of TWM321086U publication Critical patent/TWM321086U/en

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  • Removal Of Water From Condensation And Defrosting (AREA)

Description

M321086 八、新型說明: 【新型所屬之技術領域】 本創作係有關於一種「排水器結構改良」,其該排水器 利用以冷凝水水位控制電磁閥之開啟或關閉而預設有上水 位及下水位之電阻數值與液位檢測器及ic控制板形成電容 控制系統或電阻控制系統之設計,使冷凝水容器内永遠保 持一定之下水位,以確保排放冷凝水過程中不排壓縮空氣 之節能功能,進而符經濟效益者。 ' 【先前技術】 按,目前一般所使用之空壓系統(如空壓機、乾燥機、 空氣筒等)中冷凝水的產生是隨著環境(如大氣壓、溫度、 濕度)與工況(如插作壓力、風量)的變化而改變,並非恒 定,因此一般自動排水器(如浮球控制式、時間控制式), 依其作動原理在排放冷凝水的過程中皆會同時排放壓縮空 氣,導致能源之耗費及不必要之花費且不符經濟效益者。 • 本創作人有鑑於上述習式之缺失,乃思及創;的意 / 念,遂以多年的經驗加以設計,經多方探討並試作樣品試 ^ 驗,及多次修正改良,乃推出本創作。 【新型内容】 本創作之主要目的,乃在提供一種排水器結構改良, 其排水器以冷凝水水位控制電磁閥之開啟或關閉而預役有 上水位及下水位之電阻數值與液位檢測器及Ic控制板形成 電容控制系統或電阻控制系統之設計,使冷凝水容器内永 5 M321086 ,保持:定之下樣,以•㈣放冷凝切財轉壓縮 二軋之即能功能,進而符經濟效益者。 乍之次要目的,乃在提供一種排水器結構改良, j排水斋利用活門封閉端與排水通道相對跨設一大容量之 管狀$網之設計,令冷凝水透過濾網排出時,於冷凝水中 之,i、油/亏、異物則會受濾網之阻擒,促使電磁闕不易 者基達排水更為順暢,且當濾、網附著過多雜質時,僅須 將濾、網取出進行清洗或更新即可,達最佳使用狀態者。 _ 糊作之另—目的,乃在提供—種排水器結構改良, 其利用液位计管以供觀察排水動作及測試按鍵、故障警報 、指不燈、排水指示燈之設計,以供自行檢測故障是否完全 排除,以達到一高效、節能、智慧型於一身之排水器者。 【實施方式】 餘下兹配合圖式,詳細說明本創作之最佳實施例如後: ^如第一圖所示係為本創作之立體分解圖(請同時參考 齡第一圖、第三圖及第四圖),其排水器(ίο)係設為鋁合金材 :質之冷凝水容器(U),該冷凝水容器(11)設呈中空圓柱狀 ' 且上方设一裝置有1C控制板(21)與一變壓器(22)相配合之 電路盤(20) ’並設一具容室(31)之盤蓋(3〇)與電路盤(2〇) 外型相配合,於冷凝水容器(u)内部由上往下組設一液位 檢測器(12)與IC控制板(21)相配合,該液位檢測器(12)不 直伸底部預留一適當空間,電路盤(2〇)外緣周面設有若干 鎖結孔(201),於液位檢測器(12)之一側設一感應器(23)與 1C控制板(21)相配合以偵測冷凝水容器(η)内水位之高 6 M321086 低,邊液位檢測器(12)係可於冷凝水容器⑴)之開口端設 ,-與1C控制板(21)相通之中空絕緣管(121,該絕緣管可設 為PVC材質)供-檢測棒(2⑴容伸而形成一電容控制系 統,或直接容伸一與冷凝水接觸之檢知棒(211,)與IC控 制板(21)相配合而形成一電阻控制系統(如第五圖所示), 冷漩水谷裔(11) 一侧下方處貫設一為金屬銅受電磁閥(i 4 ) 控制出水及止水之排水通道(13),該電磁閥(ι4)係與IC控 ^制板(21)相配合,另一侧貫設有一具鎖蓋(151)之活門封閉 •端(15)與排水通道(13)相對供一大容量之管狀濾網(16)橫 .跨定位於液位檢測器(12)之下方,且於活門封閉端(15)上 v方设一入水口(17)與空壓系統之排水口相接設,並於冷凝 水容器(11)外侧設一與内部相通之液位計管(18)以供觀察 水位,該液位計管(18)之上下兩端係與冷凝水容器(11)接 通而设呈匸狀,於電路盤(2〇)底面一侧對稱設有線路孔 (202)供線路穿設,於盤蓋(3〇)之容室(31)内面兩側相對設 有定位邊(311)及中心設有若干鎖結孔(312)供變壓器(22) φ 之穿孔(221)對應鎖設固定受定位邊(311)之限制,於盤蓋 (30)如端面之適當位置組設有一測試按鍵(32)、一電源指 : 示燈(321)、一排水指示燈(322)及故障警報指示燈(323)與 1C控制板(21)相配合,且於盤蓋(30)之底緣外圍凹設一框 槽(34)供一防水墊圈(33)容置並密貼於盤蓋(30)與電路盤 (20)間以防水滲入達保護1C控制板(21)及變壓器(22)之目 的,並於盤蓋(30)周緣設有若干樞孔(3〇1)與電路盤(2〇)之 鎖結孔(201)相對鎖設固定者。 該排水器(10)利用以冷凝水水位控制電磁閥(14)之開 啟或關閉而預設有上水位及下水位之電阻數值與液位檢測 7 M321086 之及制板(21)形成電容控制系統或電阻控制系統 二凝水容器⑴’如第六圖及第七圖所示)内之 定之電阻值時’液位檢測器(12)感應而 2 IC控制板(21)使排水指示燈_亮起並啟M321086 VIII. New description: [New technical field] This creation department is concerned with a kind of "drainage structure improvement", which uses pre-set water level and lower with the condensed water level control solenoid valve to open or close. The resistance value of the water level and the liquid level detector and the ic control board form the capacitance control system or the resistance control system, so that the water level in the condensate container is always maintained below a certain level to ensure the energy-saving function of not discharging compressed air during the discharge of the condensed water. And then the economic benefits. [Prior Art] According to the current commonly used air pressure systems (such as air compressors, dryers, air cylinders, etc.), the condensate is produced along with the environment (such as atmospheric pressure, temperature, humidity) and working conditions (such as The change in pressure and air volume is not constant, so general automatic drains (such as float control and time control) will discharge compressed air at the same time in the process of discharging condensate according to the principle of operation. Energy consumption and unnecessary expenses are not economically viable. • The creator has designed the creation of the above-mentioned formulas in view of the lack of the above-mentioned formulas, and the ideas/senses of the thoughts and ideas, which have been designed and tested by many parties, and have been tried and tested by many parties. . [New content] The main purpose of this creation is to provide a structure improvement of the drainer. The drainer uses the condensate water level control solenoid valve to open or close and pre-operate the resistance value and level detector of the upper water level and the lower water level. And the Ic control board forms the design of the capacitor control system or the resistance control system, so that the condensed water container is always 5 M321086, and the following is the same as the following: (4) The function of condensing, cutting, converting, compressing and rolling is realized, and then the economic benefit is obtained. By. The secondary purpose of the raft is to provide a structure improvement of the drainer. The design of the tubular slab is designed to allow the condensate to pass through the filter in the condensed water. Therefore, i, oil/loss, foreign matter will be blocked by the filter screen, which will make the electromagnetic discharge difficult to be more smooth, and when the filter and mesh are attached with too much impurities, only the filter and the net must be taken out for cleaning or Update to the best use. _ The other purpose of the paste is to provide an improved structure of the drainer, which uses a liquid level gauge tube for observing the drainage action and the test button, fault alarm, fingerless light, and drainage indicator light for self-testing. Whether the fault is completely eliminated, in order to achieve an efficient, energy-saving, intelligent one-of-a-kind drainer. [Embodiment] The following is a detailed description of the best implementation of this creation, such as the following: ^ As shown in the first figure, it is a three-dimensional exploded view of the creation (please refer to the first picture, the third picture and the first 4)), the drainer (ίο) is made of aluminum alloy: the condensate container (U) of the quality, the condensate container (11) is provided in a hollow cylindrical shape and a device is provided with a 1C control panel (21 a circuit board (20) that cooperates with a transformer (22) and has a disk cover (3〇) with a chamber (31) matched with the outer shape of the circuit board (2〇) in the condensate container (u A liquid level detector (12) is arranged from the top to the bottom to cooperate with the IC control board (21). The liquid level detector (12) does not extend directly to the bottom to reserve an appropriate space, outside the circuit board (2〇) a plurality of locking holes (201) are arranged on the peripheral surface of the edge, and an inductor (23) is arranged on one side of the liquid level detector (12) to cooperate with the 1C control board (21) to detect the inside of the condensed water container (η). The water level is 6 M321086 low, the edge level detector (12) can be set at the open end of the condensate container (1), and the hollow insulating tube (121) communicating with the 1C control board (21) The insulating tube can be made of PVC material for the detection rod (2(1) to form a capacitance control system, or directly to accommodate a detection rod (211) in contact with the condensed water and the IC control board (21) Forming a resistance control system (as shown in the fifth figure), a drainage channel (13) for controlling the water outlet and the water stop by a solenoid valve (i 4 ) is disposed below the side of the cold swirling water (11). The solenoid valve (ι4) is matched with the IC control board (21), and the other side is provided with a lock cover (151). The shutter closing end (15) and the drain passage (13) are opposite to each other for a large capacity. The tubular filter (16) is transversely positioned below the liquid level detector (12), and a water inlet (17) is connected to the outlet of the air pressure system at the closed end (15) of the shutter. And a liquid level gauge tube (18) communicating with the inside of the condensate container (11) for observing the water level, and the upper and lower ends of the liquid level gauge tube (18) are connected to the condensed water container (11) In the shape of a weir, a line hole (202) is symmetrically arranged on the bottom surface of the circuit board (2〇) for the line to be pierced, and two sides of the chamber (31) of the disc cover (3〇) The side is oppositely provided with a positioning edge (311) and a plurality of locking holes (312) are provided at the center for the perforation (221) of the transformer (22) φ corresponding to the locking and fixing of the positioned edge (311), and the disk cover (30) If the appropriate position of the end face is provided with a test button (32), a power indicator: the indicator light (321), a drain indicator light (322), and a fault alarm indicator light (323) cooperate with the 1C control board (21), and A frame groove (34) is recessed around the bottom edge of the disc cover (30) for a waterproof gasket (33) to be received and adhered between the disc cover (30) and the circuit board (20) for waterproof penetration and protection 1C control For the purpose of the board (21) and the transformer (22), a plurality of pivot holes (3〇1) are provided on the periphery of the disc cover (30), and the locking holes (201) of the circuit board (2〇) are relatively locked and fixed. The drainer (10) forms a capacitance control system by using the resistance value of the upper water level and the lower water level with the condensed water level control solenoid valve (14) to be turned on or off, and the liquid level detection 7 M321086 and the plate (21) Or the resistance control system 2 condensate container (1) 'as shown in Figure 6 and Figure 7) the resistance value of the 'liquid level detector (12) induction and 2 IC control board (21) to make the drainage indicator _ bright Start up

= = (14)進行排水,令冷凝水可透過濾網⑽由排水 通,3)排出,促使冷凝水中之雜質、油污、異物利用慮 、、周(16)之阻擔以防止電磁閥⑽之閥門堵塞,達排水更為 順暢及延長使用壽命,當冷凝水容器⑴,如第八圖所示) 内之水位處於下水位設定之電阻值時,液位檢測器(⑵不 感應,電磁閥(14)將閥門重新關閉停止排水,排水指示燈 (322)滅,使冷凝水容器(11)内永遠保持一定之下水位,以 確保排放冷凝水過程中皆不會同時排放空氣而耗費更多電 能量,進而達到省能源及符經濟效益之目的,且可由液位 計管(18)之水位顯示迅速觀察排水之動作外,一旦排水動 作連續進行超過設定之時間,排水器(1〇)則會停止排水工 作並啟動故障警報指示燈(323),此時即可由液位計管(μ) 先行判斷故障原因再行維修,當故障原因為濾網(16)附著 過多雜質而阻塞影響排水時,僅須將鎖蓋(151)螺解由活門 封閉端(15)取出濾網(16)進行清洗或更新即可,令該排水 器(10)藉由大容量濾網(16)之設計使電磁閥(14)不易堵 塞’且促使清洗上更為便利輕鬆,同時於維修完成後,即 可由測試按鍵(32)檢測故障是否完全排除,故,當按下測 試按鍵(32)不放時,電磁閥(14)即打開排水,排水指示燈 (322)亮起,一鬆開測試按鍵(32),電磁閥(14)即關閉,排 水指示燈(322)滅,即達到一高效、節能、智慧型於一身之 排水器(10)者。 8 M321086 綜上所述,本創作確實已經 、 有改良之創作内容,同時又能約建;突破性之結構,而具 性,且本創作未見之於任何刊物,,丨產業上利用性與進步 利法第九十三條、第九十四條之規^、新穎性’當符合專 利申請,懇請鈞局審查委員授予爰依法提出新型專 唯以上所述者,僅為本創作之—專利權,至為感禱。 不能以之限定本創作實施之範圍;即Z仃實施例而已,當 利範圍所作之均等變化與修飾,皆應^依本創作申請專 之範圍内。 …乃屬本創作專利涵蓋 【圖式簡單說明】 第一圖:係為本創作之立體分解圖。 第二圖:係為本創作之立體組合圖。 第三圖:係為本創作之組合剖面圖〜。 第四圖:係為本創作之組合剖面圖二。= = (14) Drainage, so that the condensate can pass through the filter (10) through the drain, 3) discharge, promote the impurities in the condensed water, oil, foreign matter utilization, and the resistance of the week (16) to prevent the solenoid valve (10) The valve is blocked, the drainage is smoother and the service life is extended. When the water level in the condensate container (1), as shown in the eighth figure is at the resistance value set in the lower water level, the liquid level detector ((2) does not sense, the solenoid valve ( 14) Re-close the valve to stop draining, and the drain indicator light (322) will be off, so that the condensate container (11) will always maintain a certain lower water level to ensure that the condensed water will not discharge air at the same time and consume more electricity. Energy, in order to save energy and economic benefits, and can be quickly observed by the water level of the level gauge tube (18), once the drainage operation continues for more than the set time, the drain (1〇) will Stop the drainage work and start the fault alarm indicator (323). At this point, the level gauge tube (μ) can be used to judge the cause of the fault and then repair. When the fault occurs, the filter (16) is attached with too much impurities and blocks the shadow. When draining the drain, simply remove the lock cover (151) from the closed end of the shutter (15) and take out the filter (16) for cleaning or renewal. The drain (10) is made up of a large-capacity filter (16). The design makes the solenoid valve (14) not easy to block 'and promotes cleaning and is more convenient and easy. At the same time, after the repair is completed, the test button (32) can be used to detect whether the fault is completely eliminated. Therefore, when the test button (32) is pressed, When released, the solenoid valve (14) opens the drain, the drain indicator light (322) illuminates, and when the test button (32) is released, the solenoid valve (14) is closed, and the drain indicator light (322) is extinguished, that is, an efficient 8 M321086 In summary, this creation has indeed improved the content of the creation, and at the same time it can be built; the groundbreaking structure, and the nature, and the present The creation is not seen in any publications, and the provisions of Articles 93 and 94 of the Law on the Utilization and Progress of the Industry, and the novelty' are in conformity with the patent application, and are requested to be submitted by the examination committee of the bureau. The new type is only mentioned above, only the patent of this creation It is a prayer. It is not possible to limit the scope of the implementation of this creation; that is, the Z 仃 embodiment, the equal change and modification of the scope of profit, should be within the scope of this creation application. The patent covers [simple description of the drawing] The first picture: the three-dimensional exploded view of the creation. The second picture: the three-dimensional combination of the creation. The third picture: the combination of the creation of the creation profile ~. Figure: This is the combination of the two sections of the creation.

第五圖:係為本創作另一實施例之、纟且合剖面圖。 第六圖:係為本創作之冷凝水上升至上水位示意圖。 第七圖:係為本創作之進行排水動作示意圖。 第八圖:係為本創作之冷凝水處於下水位停止排水動作 示意圖。 【主要元件符號說明】 10……排水器 12……液位檢測器 ......排水通道 11......冷凝水容器 121......中空絕緣管 14......電磁閥 M321086 15…· ••活門封閉端 151". …鎖蓋 16…· ••濾網 17…· ••入水口 18…· ••液位計管 20…· ••電路盤 201··· •…鎖結孔 202… …·線路孔 21···· ••1C控制板 211- …·檢測棒 211, ......檢知棒 22…· ••變壓器 221" •…穿孔 23…· ••感應裔 30…· ••盤盍 301" •…才6孔 31···· ••容室 311- 312·· •…鎖結孔 32···· ••測試按鍵 321" •…電源指示燈 322" …·排水指3 323" •…故障警報指示燈 33…· ••防水墊圈 34···· ••框槽Figure 5 is a cross-sectional view of another embodiment of the present invention. Figure 6: This is a schematic diagram of the condensed water rising to the upper water level. Figure 7: This is a schematic diagram of the drainage operation for this creation. The eighth picture is a schematic diagram of the condensate water in the creation of the water in the lower water level to stop the drainage action. [Description of main component symbols] 10...Drainer 12...Liquid level detector...Drainage channel 11...Condensate container 121...Hollow insulation tube 14... ... solenoid valve M321086 15...· ••Closed end of the valve 151". ...lock cover 16...·••Filter 17...·••Inlet 18...·••Level gauge tube 20...·••Circuit 201··· •...locking hole 202...·· line hole 21····••1C control board 211- ...·detecting rod 211, ...detecting rod 22...·••transformer 221" •...Perforation 23...·••Induction 30...·••盘盍301" •...6 holes 31····••室311- 312·· •...Lock hole 32···· •• Test button 321 " •... power indicator 322" ...·drain finger 3 323" •... fault alarm indicator 33...· ••waterproof gasket 34···· •• frame slot

Claims (1)

M321086 九、申請專利範圍: 1、一種排水器結構改良,其係設一具有液位計管之冷 破水容器,於冷凝水容器上方設一具1C控制板及變壓器之 電路盤與一具有防水墊圈之盤蓋相蓋合,冷凝水容器一側 下方處設一受電磁閥控制之排水通道,另一侧上下分別設 :入水口及一活門封閉端,於1C控制板底部設一液位檢測 恭容伸於冷凝水容器内與底部保持一適當距離以感應水位 之高低而判斷上水位及下水位是否到達設定之電阻值以啟 動電磁閥進行排水或關閉電磁閥停止排水,使冷凝水容器 内永遠保持一定之下水位,以確保排放冷凝水過程中不排 壓縮空氣之節能目的,活門封閉端係排水通道相對並設一 鎖蓋供一大容量之管狀濾網橫跨定位,令冷凝水中之雜 暂 N 、丄一 二、>由污、異物可受濾網之阻擋以防止電磁閥堵塞,於盤 蓋如端面之適當位置組設有一測試按鍵、一電源指示燈、 —排水指示燈及故障警報指示燈與IC控制板相配合,形成 向效、節能、智慧型於一身之排水器者。 2、 如申請專利範圍第1項所述之排水器結構改良,其 中冷凝水容器係設為鋁合金材質者。 3、 如申請專利範圍第1項所述之排水器結構改良,其 中冷凝水容器係設呈中空圓枉狀者。 4、 如申請專利範圍第1項所述之排水器結構改良,其 中電路盤及盤蓋外周緣分別設有若干鎖結孔及樞孔可相對 鎖設固定者。 、5、如申請專利範圍第1項所述之排水器結構改良,其 、=液位檢測器係可於冷凝水容器開口端設一與1(:控制板相 、之中空絕緣管供一檢測棒容伸而形成一電容控制系統 11 M321086 者。 6、 如申請專利範圍第5項所述之排水器結構改良,其 中中空絕緣管可設為PVC材質者。 7、 如申請專利範圍第1項所述之排水器結構改良,其 中液位檢測器可設一與冷凝水直接接觸之檢知棒與1C控制 板相配合而形成一電阻控制系統者。 8、 如申請專利範圍第1項所述之排水器結構改良,其 中冷凝水容器之排水通道設為金屬銅者。 p 9、如申請專利範圍第1項所述之排水器結構改良,其 * 中液位計管之上下兩端係與冷凝水容器接通而設呈匸狀 - 者。 10、 如申請專利範圍第1項所述之排水器結構改良, 其中電路盤底面一側對稱設有線路孔供線路穿設者。 11、 如申請專利範圍第1項所述之排水器結構改良, 其中盤蓋凹設有一容室,於容室内面兩侧相對設有定位邊 及中心設有若干鎖結孔供變壓器鎖設固定受定位邊之限制 •者。 . 12、如申請專利範圍第1項所述之排水器結構改良, ^ 其中盤蓋之底緣外圍凹設一框槽供防水墊圈容置者。 12M321086 Nine, the scope of application for patents: 1. An improved structure of the drainer, which is provided with a cold water-breaking container with a liquid level gauge tube, a circuit board with a 1C control board and a transformer and a waterproof gasket are arranged above the condensed water container. The cover of the plate is covered, and a drainage channel controlled by a solenoid valve is arranged at the lower side of the condensate container, and the other side is respectively provided with a water inlet and a closed end of the valve, and a liquid level detection is arranged at the bottom of the 1C control panel. The volume is extended in the condensate container to maintain an appropriate distance from the bottom to sense the level of the water level to determine whether the upper water level and the lower water level reach the set resistance value to activate the solenoid valve to drain or close the solenoid valve to stop draining, so that the condensate container is forever Keep the water level below a certain level to ensure the energy-saving purpose of not discharging compressed air during the process of discharging condensed water. The closed end of the valve is connected with a lock cover for a large-capacity tubular filter to straddle the positioning, so that the condensed water is miscellaneous. Temporary N, 丄一二, > from dirt, foreign matter can be blocked by the filter to prevent the solenoid valve from clogging, set at the appropriate position of the disc cover such as the end face Test key, a power indicator, - drainage and a failure alarm indicator lamp cooperates with the IC board, formed to efficiency, energy saving, in a smart by the drain. 2. The structure of the drainer as described in item 1 of the patent application is improved, and the condensate container is made of aluminum alloy. 3. The structure of the drainer as described in item 1 of the patent application scope is improved, wherein the condensate container is provided with a hollow round shape. 4. The structure of the drainer described in claim 1 is improved, wherein the outer circumference of the circuit board and the disc cover are respectively provided with a plurality of locking holes and the pivot holes can be relatively locked and fixed. 5. In the improvement of the structure of the drainer as described in the first paragraph of the patent application, the liquid level detector can be provided with a hollow insulating tube for the detection of the open end of the condensate container. The rod can be stretched to form a capacitor control system 11 M321086. 6. The structure of the drainer according to item 5 of the patent application scope is improved, wherein the hollow insulating tube can be made of PVC material. The structure of the drainer is improved, wherein the liquid level detector can be provided with a detecting rod directly contacting the condensed water to cooperate with the 1C control board to form a resistance control system. 8. As described in claim 1 The structure of the drain is improved, wherein the drainage channel of the condensate container is made of metal copper. p. 9. The structure of the drainer according to the first item of the patent application is improved, wherein the upper and lower ends of the level gauge tube are The condensate container is connected to the shape of the damper. 10. The structure of the drainer according to the first aspect of the patent application is improved, wherein a line hole is symmetrically provided on the bottom side of the circuit board for the line to be worn. Patent application The structure of the drainer according to the first item is improved, wherein the disc cover is recessed with a chamber, and the positioning side is arranged on both sides of the interior of the chamber, and a plurality of locking holes are arranged in the center for the transformer to be locked and fixed by the positioning edge. • If the structure of the drain is as described in item 1 of the patent application, ^ a groove is recessed around the bottom edge of the cover for the gasket. 12
TW96207888U 2007-05-16 2007-05-16 Improved structure on a drain TWM321086U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
TW96207888U TWM321086U (en) 2007-05-16 2007-05-16 Improved structure on a drain

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Application Number Priority Date Filing Date Title
TW96207888U TWM321086U (en) 2007-05-16 2007-05-16 Improved structure on a drain

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112754756A (en) * 2021-01-15 2021-05-07 金耀华 Orthopedic nursing cold therapy instrument

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112754756A (en) * 2021-01-15 2021-05-07 金耀华 Orthopedic nursing cold therapy instrument
CN112754756B (en) * 2021-01-15 2022-07-12 金耀华 Orthopedic nursing cold therapy instrument

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