TWI332923B - - Google Patents

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Publication number
TWI332923B
TWI332923B TW097125863A TW97125863A TWI332923B TW I332923 B TWI332923 B TW I332923B TW 097125863 A TW097125863 A TW 097125863A TW 97125863 A TW97125863 A TW 97125863A TW I332923 B TWI332923 B TW I332923B
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TW
Taiwan
Prior art keywords
heat
cover
heat sealing
disposed
electric
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Application number
TW097125863A
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English (en)
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TW201002579A (en
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Priority to TW097125863A priority Critical patent/TW201002579A/zh
Priority to JP2008209224A priority patent/JP2010018347A/ja
Publication of TW201002579A publication Critical patent/TW201002579A/zh
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Publication of TWI332923B publication Critical patent/TWI332923B/zh

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C66/00—General aspects of processes or apparatus for joining preformed parts
    • B29C66/80—General aspects of machine operations or constructions and parts thereof
    • B29C66/81—General aspects of the pressing elements, i.e. the elements applying pressure on the parts to be joined in the area to be joined, e.g. the welding jaws or clamps
    • B29C66/816—General aspects of the pressing elements, i.e. the elements applying pressure on the parts to be joined in the area to be joined, e.g. the welding jaws or clamps characterised by the mounting of the pressing elements, e.g. of the welding jaws or clamps
    • B29C66/8161—General aspects of the pressing elements, i.e. the elements applying pressure on the parts to be joined in the area to be joined, e.g. the welding jaws or clamps characterised by the mounting of the pressing elements, e.g. of the welding jaws or clamps said pressing elements being supported or backed-up by springs or by resilient material
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C65/00—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor
    • B29C65/02—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor by heating, with or without pressure
    • B29C65/18—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor by heating, with or without pressure using heated tools
    • B29C65/22—Heated wire resistive ribbon, resistive band or resistive strip
    • B29C65/221—Heated wire resistive ribbon, resistive band or resistive strip characterised by the type of heated wire, resistive ribbon, band or strip
    • B29C65/222—Heated wire resistive ribbon, resistive band or resistive strip characterised by the type of heated wire, resistive ribbon, band or strip comprising at least a single heated wire
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C65/00—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor
    • B29C65/02—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor by heating, with or without pressure
    • B29C65/18—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor by heating, with or without pressure using heated tools
    • B29C65/22—Heated wire resistive ribbon, resistive band or resistive strip
    • B29C65/221—Heated wire resistive ribbon, resistive band or resistive strip characterised by the type of heated wire, resistive ribbon, band or strip
    • B29C65/222—Heated wire resistive ribbon, resistive band or resistive strip characterised by the type of heated wire, resistive ribbon, band or strip comprising at least a single heated wire
    • B29C65/223—Heated wire resistive ribbon, resistive band or resistive strip characterised by the type of heated wire, resistive ribbon, band or strip comprising at least a single heated wire comprising several heated wires
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C65/00—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor
    • B29C65/02—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor by heating, with or without pressure
    • B29C65/18—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor by heating, with or without pressure using heated tools
    • B29C65/22—Heated wire resistive ribbon, resistive band or resistive strip
    • B29C65/228—Heated wire resistive ribbon, resistive band or resistive strip characterised by the means for electrically connecting the ends of said heated wire, resistive ribbon, resistive band or resistive strip
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C66/00—General aspects of processes or apparatus for joining preformed parts
    • B29C66/01—General aspects dealing with the joint area or with the area to be joined
    • B29C66/05—Particular design of joint configurations
    • B29C66/10—Particular design of joint configurations particular design of the joint cross-sections
    • B29C66/11—Joint cross-sections comprising a single joint-segment, i.e. one of the parts to be joined comprising a single joint-segment in the joint cross-section
    • B29C66/112—Single lapped joints
    • B29C66/1122—Single lap to lap joints, i.e. overlap joints
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C66/00—General aspects of processes or apparatus for joining preformed parts
    • B29C66/01—General aspects dealing with the joint area or with the area to be joined
    • B29C66/05—Particular design of joint configurations
    • B29C66/20—Particular design of joint configurations particular design of the joint lines, e.g. of the weld lines
    • B29C66/23—Particular design of joint configurations particular design of the joint lines, e.g. of the weld lines said joint lines being multiple and parallel or being in the form of tessellations
    • B29C66/232—Particular design of joint configurations particular design of the joint lines, e.g. of the weld lines said joint lines being multiple and parallel or being in the form of tessellations said joint lines being multiple and parallel, i.e. the joint being formed by several parallel joint lines
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C66/00—General aspects of processes or apparatus for joining preformed parts
    • B29C66/40—General aspects of joining substantially flat articles, e.g. plates, sheets or web-like materials; Making flat seams in tubular or hollow articles; Joining single elements to substantially flat surfaces
    • B29C66/41—Joining substantially flat articles ; Making flat seams in tubular or hollow articles
    • B29C66/43—Joining a relatively small portion of the surface of said articles
    • B29C66/431—Joining the articles to themselves
    • B29C66/4312—Joining the articles to themselves for making flat seams in tubular or hollow articles, e.g. transversal seams
    • B29C66/43121—Closing the ends of tubular or hollow single articles, e.g. closing the ends of bags
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C66/00—General aspects of processes or apparatus for joining preformed parts
    • B29C66/80—General aspects of machine operations or constructions and parts thereof
    • B29C66/81—General aspects of the pressing elements, i.e. the elements applying pressure on the parts to be joined in the area to be joined, e.g. the welding jaws or clamps
    • B29C66/816—General aspects of the pressing elements, i.e. the elements applying pressure on the parts to be joined in the area to be joined, e.g. the welding jaws or clamps characterised by the mounting of the pressing elements, e.g. of the welding jaws or clamps
    • B29C66/8167—Quick change joining tools or surfaces
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C66/00—General aspects of processes or apparatus for joining preformed parts
    • B29C66/80—General aspects of machine operations or constructions and parts thereof
    • B29C66/81—General aspects of the pressing elements, i.e. the elements applying pressure on the parts to be joined in the area to be joined, e.g. the welding jaws or clamps
    • B29C66/818—General aspects of the pressing elements, i.e. the elements applying pressure on the parts to be joined in the area to be joined, e.g. the welding jaws or clamps characterised by the cooling constructional aspects, or by the thermal or electrical insulating or conducting constructional aspects of the welding jaws or of the clamps ; comprising means for compensating for the thermal expansion of the welding jaws or of the clamps
    • B29C66/8182—General aspects of the pressing elements, i.e. the elements applying pressure on the parts to be joined in the area to be joined, e.g. the welding jaws or clamps characterised by the cooling constructional aspects, or by the thermal or electrical insulating or conducting constructional aspects of the welding jaws or of the clamps ; comprising means for compensating for the thermal expansion of the welding jaws or of the clamps characterised by the thermal insulating constructional aspects
    • B29C66/81821—General aspects of the pressing elements, i.e. the elements applying pressure on the parts to be joined in the area to be joined, e.g. the welding jaws or clamps characterised by the cooling constructional aspects, or by the thermal or electrical insulating or conducting constructional aspects of the welding jaws or of the clamps ; comprising means for compensating for the thermal expansion of the welding jaws or of the clamps characterised by the thermal insulating constructional aspects of the welding jaws
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C66/00—General aspects of processes or apparatus for joining preformed parts
    • B29C66/80—General aspects of machine operations or constructions and parts thereof
    • B29C66/83—General aspects of machine operations or constructions and parts thereof characterised by the movement of the joining or pressing tools
    • B29C66/832—Reciprocating joining or pressing tools
    • B29C66/8324—Joining or pressing tools pivoting around one axis
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C66/00—General aspects of processes or apparatus for joining preformed parts
    • B29C66/80—General aspects of machine operations or constructions and parts thereof
    • B29C66/84—Specific machine types or machines suitable for specific applications
    • B29C66/849—Packaging machines
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C66/00—General aspects of processes or apparatus for joining preformed parts
    • B29C66/80—General aspects of machine operations or constructions and parts thereof
    • B29C66/84—Specific machine types or machines suitable for specific applications
    • B29C66/861—Hand-held tools
    • B29C66/8618—Hand-held tools being battery operated
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C66/00—General aspects of processes or apparatus for joining preformed parts
    • B29C66/80—General aspects of machine operations or constructions and parts thereof
    • B29C66/87—Auxiliary operations or devices
    • B29C66/874—Safety measures or devices
    • B29C66/8742—Safety measures or devices for operators
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C66/00—General aspects of processes or apparatus for joining preformed parts
    • B29C66/80—General aspects of machine operations or constructions and parts thereof
    • B29C66/87—Auxiliary operations or devices
    • B29C66/876—Maintenance or cleaning
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29L—INDEXING SCHEME ASSOCIATED WITH SUBCLASS B29C, RELATING TO PARTICULAR ARTICLES
    • B29L2031/00—Other particular articles
    • B29L2031/712—Containers; Packaging elements or accessories, Packages
    • B29L2031/7128—Bags, sacks, sachets

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • Package Closures (AREA)
  • Fuses (AREA)

Description

1332923 九、發明說明：，/ 【發明所屬之技術領域】 本發明係關於一種電熱封口機，尤指一種適用於電熱 封口機之改良結構。 【先前技術】 在曰常生活中’人們使用大大小小、厚薄不同的塑夥 | 袋，當使用的物品未使用完，而又怕此物品曝露於空氣中 易於損壞。因此’應用於塑膠袋的封口機因應而生。但習 10知之熱封口模組與前蓋是屬於密合後即無法打開的結構， 如熱封口模組之電熱線發生氧化或斷裂而無法使用，使用 者若想進行電熱線之更換，即強行將前蓋打開則會造成結 構破壞而無法裝回的損害。 因此，亟待-種能快速更換電熱模組之封口機，以改 15 善上述之種種缺點。 【發明内容】 本發明係關於—種電熱封口機之改良結構’包括-基 座、一熱封口模組、及一按壓部。 基座内設置有一前容置室、—前 月』擒牆、一電池室、一 後擋牆、一後容置室、二前金眉垃 月屬接觸片、及至少一後金屬 接觸片’前容置室設置有一支撐部 m 芽邵二前金屬接觸片分別 固設於剛擋牆上，至少一後今屈垃餘 俊金屬接觸片設置於後擋牆。 20 1332923 熱封口模組設置於前容置室内，熱封口模組係包括一 耐熱絕緣基部、-電熱部、及一壓縮彈菁。電熱部設置於 对熱絕緣基部上’壓縮彈簧係設置於財熱絕緣基部及前容 置室之支撐部之間。’ - 5 。按壓部包括有第一端、及第二端，第一端與後容置室 樞接。前蓋係蓋合熱封口模組。前蓋可包括複數個固定梢， 基座之别谷置至可包括複數個固定孔，前蓋是透過複數個 固定梢插置於複數個固定孔以蓋合於基座上。 齡因此，可提供使用者易於打開前蓋而能容易更換已氧 10 化或斷裂之電熱線。 此外’本發明可更包括一電池盒蓋、及一後蓋，電池 盒蓋蓋合於電池室上’後蓋蓋合後容置室上，後蓋開設有 一穿孔’後容置室可包括一容置槽'及一安全開關，安全 開關包括有一上壓柱’及一彈簧’彈簧容設於容置槽内， 15 並抵頂於上壓柱與容置槽之間，上壓柱穿設於後蓋之穿 孔。 .熱封口模組可包括一壓縮彈簧’壓縮彈簧係設置於耐 熱絕緣基部與支撐部之間。耐熱絕緣基部可包括一左側 部、一中間凸出部、及一右側部；前蓋開設一開槽，耐熱 20 絕緣基部之中間凸出部可穿設於開槽。 電熱部包括至少一電熱線、一第一金屬扣合體、及一 第二金屬扣合體，第一金屬扣合體係扣合左側部，第二金 屬扣合體扣合右側部，至少一電熱線定位於耐熱絕緣基部 1332923 之中間凸出部上’電熱部可包括—耐減緣覆蓋片，其覆 蓋於電熱部之電熱線上。 前蓋可包括-保護扣合件、及二插孔，保護扣合件極 設於二樞孔。基座可包括至少—定位孔，前蓋更可括至少 一定位柱，定位柱係插設於定位孔上。 基座可包括-開關、.·及—發光二極體，開關與發光二 極體電性連結。電熱封口機可包括一安全刀片，安全刀片 可選擇式地展開或收納於基座下方。
10 15
【實施方式] _請參閱圖卜其係本發明—較佳實施例之分解圖。如圖 所示，其為本實施例之—種電熱封口機之改良結構，包括 一基座10、一熱封口模組3〇、一按壓部4〇、一前蓋51、電 池盒蓋52、及一後蓋,53。.. 其中，基座Η)之内設置有一前容置室"、一前擋牆12、 -電池室13、-後擋牆14、一後容置室15、二前金屬接觸 片21、及一後金屬接觸片22。 如圖1所示，熱封口模組3〇其設置於基座1〇之前容置室 11上，熱封口模組30包括一耐熱絕緣基部31 ' —電熱部32、 及一壓縮彈簧33 ^ ' 請參閱圖2，其係本發明一較佳實施例熱封口模組之分 解圖。如圖所示，t熱部*32設置於耐熱絕緣基部31上，耐 熱絕緣基部31包括一左側部311、一尹間凸出部312與一右 側部313，電熱部32包括一電熱線321、一第—金屬扣合體 20 1332923 322、及一第二金屬扣合體323。第一金屬扣合體322係扣合 於耐熱絕緣基部3 1之左側部3 11，第二金屬扣合體323扣合 於耐熱絕緣基部31之右側部313，而使電熱線321定位於耐 熱絕緣基部31之中間凸出部312上，其中，電熱部32還包括 5 —耐熱絕緣覆蓋片324，以覆蓋於電熱線321上。 請再參閱圖1’其中’前容置室11設置有一支撑部111， 壓縮彈簧33係設置於耐熱絕緣基部31與前容置室1]L之支樓 部111之間。再者，异前金屬接觸片21分別固設於前擋牆12 > 上’後金屬接觸片22設置於後擋踏14，前蓋51開設一開槽 10 5 11 ’以供耐熱絕緣基部3 1之中間凸出部3 12穿設於前蓋5 1 之開槽511，此外，前蓋51還包括二個固定梢514，基座1〇 之别谷置室11包括二個固定孔112，前蓋51是透過二個固定 梢514插置於基座1〇之二個固定孔112以將熱封口模組3〇蓋 合於前容置室11上。 15 由於壓縮彈簧33提供耐熱絕緣基部3〗彈力支樓，因 此，耐熱絕緣基部31可柢對於基座1〇做上下之作動，而使 第一金屬扣合體322、及第二金屬扣合體323分別與二前金 屬接觸片21接觸或分離，且前蓋5丨是由固定梢5 14係以摩擦 力固定於基座10之二個固定孔112，因此，可以輕易多次開 關前蓋51以利更換熱封σ模組3G已氧化或斷裂之電熱線 321(見圖2^ 請參閱圖1並共同參閱圖3，圖3係本發明一較佳實施例 立體圖顯示之保護扣合件蓋合之狀態圖。如圖所示，前 蓋51包括一保護扣合件51.2、及二樞孔513,保護扣合件512 1332923 樞設於二樞孔513，並可向上旋轉以蓋住熱封口模組3〇，以 阻擋按麼部40向下壓合，..由於壓縮彈簧33所提供的向上彈 力’致使電熱部32之金屬扣合體322,323無法與電池室η内 之前金屬接觸片21相互接觸導通，因此，可避免誤觸或按 5 壓而啟動，以增加使用上之安全性。 如圖1所示，電熱封口機還包括一電池盒蓋52、及—後 蓋53 ’電池盒篕52蓋合於電池室13上’後蓋53蓋合後容置 室15上。後蓋53開設有一穿孔531，後容置室15還包括一 | 容置槽151、及一安全開關152，安全開關152包括有—上 10 壓柱153，及一彈簧154 彈簧154容設於容置槽151内，並 抵頂於上壓柱153與容置槽151之間，後蓋53蓋合於後容置 室15後’上壓柱153則穿設於後蓋53之穿孔。 請同時參閱圖1及圖4 ’圖4係本發明一較佳實施例之電 路圖。如圖所示’按壓部40包括有第一端41、及第二端42, 15 第一端41之二樞梢411與後容置室15之二樞孔412樞接，按 壓部40向下作壓合動作時，其第二端42係相應壓合於熱封 . 口模組30之中間凸出部312位置，同時，第一端41亦對應壓 合於安全開關152的土壓柱153的位置，此時，電熱部32的 第一金屬扣合體322、及第二金屬扣合體323會分別與二前 20 金屬接觸片21接觸，同時第一端41亦將安全開關152的上壓 柱153 一起向下壓合而使電池18之電流導通於電熱線321 而形成一迴路。 請注意’此為本實施例之安全設計，由於使用者必須 同時按壓封口模組3〇的電熱部32及安全開關152才能使電 1332923 熱線321發熱，因此使用者不會因誤觸熱封口模組30而有被 燙傷之虞。 請參閱圖5—併參閱圖4,圖5係本發明一較佳實施例之 後側視圖。如圖所示’基座1〇包括一開關17、及一發光二 5極體171 ’開關17與發光二極體i7i電性連結。以開關^ 了開 啟發光二極體171以作為指示或照明用途，反之亦可以開關 17關閉發光二極體171。 請參閱圖1並共同參閱圖6,圖6係本發明一較佳實施例 # 展開安全刀片時之狀態圖。如圖所示，電熱封口機還包括 10 -安全刀片16 ’安全刀片16可選擇式地展開或收納於基座 10下方，當使用者需裁切塑膠袋時，安全刀片16展開於基 座10下方，而不使甩裁切功能時亦可將安全刀片收納於 基座10下方。 請參閱圖7,其係本發明另一較佳實施例熱封口模組之 分解圖，如圖所示，其與上一實施例之電熱部以结構大 致相同，惟不同處在於本實施例為二線式之熱封口模組， • 其包括有二電熱線61、一第一金屬扣合體62、一第二金屬 扣。體63及一耐熱絕緣基部64，使用本實施例之二線式 ㈣口模組’更可以二線式的電熱部6以強化塑膠袋的封 20 強度或是進行厚塑勝袋的.射裝工.作。 、 上述實施例僅係為了方便說明而舉例而已’本發明所 主張之權利範圍自應以申請專利範圍所述為準，而 於上述實施例。 又 B32923 【圖式簡單說明】 圖1係本發明一較佳實施例之分解圖。 圖2係本發明一較佳實施例熱封口模組之分解圖。 圖3係本發明一較佳實施例以立體圖顯示之保護扣合件蓋 5 合之狀態圖。 圖4係本發明一較佳實施句|之電骖圖。 圖5係本發明一較佳實施例之後側視圖。 圖6係本發明一較佳實施例展開安全刀片時之狀態圖。 圓7係本發明另一較佳實施例熱封口模組之分解圖。 0 【主要元件符號說明】 基座10 前容置室11 支撐部111 固定孔112 前擋牆12 電池室13 後擋牆14 ，後容置室15 容置槽151 安全開關152 上壓柱153 彈簧154 安全刀片16 開關17 發光二極體171 電池18 前金屬接觸片21 後金屬接觸片22 熱封口模組30 耐熱絕緣基部31，64 左側部3 11 中間凸出部312 右側部3 13 電熱部32 電熱線321，61 第一金屬扣合體322,62 第二金屬扣合體323,63 耐熱絕緣覆蓋 片324 壓縮彈簧33 ,按壓部40 第一端41 樞梢411 樞孔412 第二端42 前蓋51 開槽5 11 保護扣合件512 11 1332923 樞孔513 '固定梢514 後蓋53 穿孔531 電池盒蓋52
12 (S )

Claims (1)

  1. 丄WJ、申請專利範圍： 9 V为1日射補充 97125863號，99年7月修正頁 1·-種電熱封口機之改良結構，其包括： —, 八内°又置有一前容置室、一前擋牆、一電池 至、-後擋牆、-後容置室、二前金屬接觸片及至少一 後金屬接觸片，該前容置室設置有—支樓部，該二前金屬 接觸片分別固設於該前擋牆上，該至少一後金屬接觸片設 置於該後擋牆’該後容置室包括一容置槽、及一安全開關， =安全開關包括有—上壓柱、及―彈簧，該彈簧容設於該 合置槽内，並抵頂於該上壓柱與該容置槽之間； 10 15 一熱封口模組，其設置於該前容置室内，該熱封口模 ’’且係包括耐熱絕緣基部、及一電熱部，該電熱部設置於 該耐熱絕緣基部上； 按壓部，其包括有一第一端 '及一第二端，該第一 端與該後容置室樞接，該第二端於向下壓合時係相應於該 熱封口模組位置； 一電池盒蓋，該電池盒蓋蓋合該電池室上； 一後蓋’該後蓋蓋合該後容置室上’該後蓋開設有一 穿孔’該上壓柱穿設於該後蓋之該穿孔； 一安全刀片，該安全刀片可選擇式地展開或收納於該 20 基座下方；以及 一前蓋，其係蓋合該熱封口模組。 2.如申請專利範圍第1項之電熱封口機之改良結構，該 前蓋更包括複數個固定梢，該基座之該前容置室更包括複 13 1332923 數個固定孔，該前蓋是透過該複數個固定梢插置於該複數 個固定孔以蓋合於該基座上。 3. 如申請專利範圍第丨項之電熱封口機之改良結構其 中，該熱封口模組更包括一壓縮彈簧，該壓縮彈簧係設置 5 於該耐熱絕緣基部與該支撐部之間。 4. 如申請專利範圍第丨項之電熱封口機之改良結構，其 中，該耐熱絕緣基部包括一左側部、一中間凸出部、及一 右側部；該前蓋開設一開槽，該耐熱絕緣基部之該中間凸 出部係穿設於該開槽。 10 5.如申請專利範圍第4項之電熱封口機之改良結構，其 中，該電熱部包括至少一電熱線、一第一金屬扣合體'及 一第二金屬扣合體，該第一金屬扣合體係扣合該左側部， 該第二金屬扣合體扣合該右側部，該至少一電熱線定位於 該耐熱絕緣基部之該中間凸出部上。 15 6.如申請專利範圍第5項之電熱封口機之改良結構，其 中，該電熱部更包括一耐熱絕緣覆蓋片，其覆蓋於該電熱 部之該電熱線上。 7.如申請專利範圍第1項之電熱封口機之改良結構，其 中，該刖蓋更包括一保護扣合件、及二樞孔，該保護扣合 20 件樞設於該二樞孔。 如申請專利範圍第1項之電熱封口機之改良結構，其 中，該基座更包括一開關、及一發光二極體，該開關與該 發光二極體電性連結。 14 25
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US4494651A (en) * 1983-04-19 1985-01-22 W. R. Grace & Co., Cryovac Div. Electrically conductive anti-static work station
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