M356777 八、新型說明： 【新型所屬之技術領威】 特別係有 〆種鎖t 關於一種以沖壓 本創作係有關於 方式形成之鎖匙構邊 【先前技術】 I & % i製造流转# / ，暂知鎖涟之表& il铋係依序為提供一 如第1圖所不 TTL 兩· 、冰製商標、震虞L電錢表面處理及滚 鎖匙胚、銳溝、外 被9圖所+，丄 π孰妹構如第2 。斤’' 由第2圖可知習 齒，其所製成之鎖〜 ± ^ i〇a— is f+ > ^ 第，表面祁對之第二表面i〇b、 該第二表面l〇b之 11及該第二對位潘糟 第二底面12a ’見 係具有一第一厚度 之間係具有一第 位溝槽.11及該第 知鎖匙1〇係具有二⑽之第，對位溝槽u以及一凹設於 一凹設於该第 < 表位漠：槽i 2，其巾該第一對位溝槽 1 2係分別具有一第一底面1 1 a及一 底面lla與該第二表面1〇b之間 tl，而該第二底面Ua與該第一表面l〇a 慶度t2，由於習知鎖匙1 〇之該第一對 /對位溝槽1 2係以銑刀加工方式形成’M356777 VIII. New description: [New technology-related technology] Specially, there is a kind of lock t. About a key structure formed by the stamping system. [Prior Art] I & % i manufacturing flow # / , Temporary locks & il铋 series are provided in the same way as the first map does not TTL two ·, ice trademark, shock L money surface treatment and rolling lock embryo, sharp groove, outer quilt 9 +, 丄π sister structure as the second.斤'' can be seen from Fig. 2, the lock made by it ~ ± ^ i〇a - is f + > ^ first, the surface of the second surface i 〇 b, the second surface l 〇 b 11 and the second alignment of the second bottom surface 12a' of the second portion 12a' has a first groove having a first groove. 11 and the first key of the first key has two (10), the alignment groove And a recessed in the recessed surface: the slot i 2, the first alignment groove 1 2 has a first bottom surface 1 1 a and a bottom surface 11a and the first The second surface 1〇b is between tl, and the second bottom surface Ua and the first surface l〇a are celebrated by t2, because the first pair/alignment groove 12 of the conventional key 1 is processed by a milling cutter Way to form '
' 瞭多餘金屬胚料，導致該第一庳度U 其銑溝過程中必肩麂度不足，造成鎖匙之結構強度降低， 及該第二厚度t2之 流程中，以金屬板材製作鎖匙胚、 此外，習知鎖起之' _ 、 . , 銳溝及沖製商標等製程步驟必須以不同機台分段製作其 不僅製作費時，且會導致製作成本大幅提高。 【新型内容】 本創作之主要目的係在於提供一種鎖匙構造，其係具 有一第一表面、一相對於.該第一表面之第二表面、一厚度 5 M356777 一凹設於該第一表面之對位凹槽以及一凸設於該第二表面 且對應該對位凹槽之凸部，該凸部係具有一頂面，該頂面 與該第一表面之間係具有一第一間距，該第一間距係大於 該厚度，本創作係以沖壓方式形成該鎖匙構造，其所形成 之該鎖匙構造具有較佳之結構強度，且可大幅降低鎖匙之 製作成本。 - 【實施方式】 . 請參閱第3圖，其係本創作鎖匙構造之製作方法流程 ® 圖，其製作方法係依序包含提供一金屬板材、沖壓該金屬 板材以形成至少一鎖匙胚、震盪研磨、電鍍表面處理及滚 齒等步驟，本創作之製作方法與習知鎖匙製程之差異處係 在於沖壓該金屬板材以形成至少一鎖匙胚步驟，請參閱第 4圖，在此沖壓步驟中，至少一鎖匙胚之外型係被沖壓形 成，且在沖壓該鎖匙胚之外型同時，該鎖匙胚係一體沖壓 形成有一對位凹槽2 1、一對應該對位凹槽2 1之凸部22、 φ 一商標圖案23以及一溝槽24，接著，請參閱第5圖，在 ' 完成該沖壓步驟後，係對該鎖匙胚進行震盪研磨、電鍍表 ' 面處理及滾齒等步驟，即完成一鎖匙構造2 0，請參閱第5 及6圖，該鎖匙構造20係具有一第一表面20a、一相對於 該第一表面20a之第二表面20b、一厚度T、該凹設於該第 —表面20a之對位凹槽21、該凸設於該第二表面20b且對 應該對位凹槽2 1之凸部2 2、該商標圖案2 3以及該凹設於 該第二表面20b之溝槽24，在本實施例中，該厚度T係介 於1 m m至2 m m之間，該對位凹槽2 1係具有一第一底面 6 M356777 2la’該溝槽24係具有一第二底面24a，而該凸部22係具 有一頂面22a、一連接該頂面22a與該第二表面2仳之第 一側面/213及一連接該頂面22a與該溝槽24之該第二底面 2 4 a之第二側面2 2 c ’此外’該凸部2 2之兮π尤Λ1 t从 卜 亥頂面22a與該 第一表面2〇a之間係具有一第一間距D丨， 1 礒對位凹槽2 1 之该第一底面21a與該凸部22之該頂面22&之間係具有一 第二間距D2 ’在本實施例中’該第一間距di係大於該厚'The excess metal billet causes the first twist U to have insufficient shoulder stiffness during the milling process, resulting in a decrease in the structural strength of the key, and in the second thickness t2 process, the key embryo is made of sheet metal, and Process steps such as ' _ , . , sharp groove and stamping trademarks must be made in different machine sections, which not only takes time to produce, but also leads to a significant increase in production costs. [New content] The main purpose of the present invention is to provide a key structure having a first surface, a second surface opposite to the first surface, and a thickness 5 M356777 recessed in the first surface. a matching groove and a convex portion protruding from the second surface and corresponding to the matching groove, the convex portion having a top surface, the top surface and the first surface having a first spacing, The first spacing is greater than the thickness. The present invention forms the key structure by stamping, and the key structure formed by the invention has better structural strength and can greatly reduce the manufacturing cost of the key. - [Embodiment] Please refer to Fig. 3, which is a flow chart of the creation method of the present invention, which is prepared by sequentially providing a metal plate, stamping the metal plate to form at least one key embryo, and oscillating grinding. , plating surface treatment and hobbing steps, the difference between the manufacturing method of the present creation and the conventional key processing method is the step of stamping the metal sheet to form at least one key embryo, please refer to FIG. 4, in the stamping step, at least A key outer shape of the key is formed by stamping, and at the same time as punching the outer shape of the key blank, the key blank is integrally stamped and formed with a pair of bit grooves 2 1 and a pair of convex portions 22 of the opposite groove 2 1 . φ a trademark pattern 23 and a groove 24, and then, referring to Fig. 5, after the completion of the pressing step, the steps of oscillating grinding, plating surface treatment and hobbing of the key embryo are completed. A key structure 20, which is shown in Figures 5 and 6, the key structure 20 has a first surface 20a, a second surface 20b opposite the first surface 20a, a thickness T, and the recess - surface 20a The alignment groove 21, the convex portion 2 protruding from the second surface 20b and corresponding to the alignment groove 2, the mark pattern 2 3 and the groove 24 recessed in the second surface 20b, In this embodiment, the thickness T is between 1 mm and 2 mm, and the alignment groove 21 has a first bottom surface 6 M356777 2la'. The groove 24 has a second bottom surface 24a. The convex portion 22 has a top surface 22a, a first side surface 213 connecting the top surface 22a and the second surface 2仳, and a second bottom surface 24a connecting the top surface 22a and the groove 24. The second side 2 2 c 'other than the convex portion 2 2 兮 Λ Λ 1 t from the top surface 22a of the huhai and the first surface 2 〇 a has a first spacing D 丨, 1 礒 alignment The first bottom surface 21a of the recess 2 1 and the top surface 22 & of the convex portion 22 have a second spacing D2 'in the embodiment, the first spacing di is greater than the thickness
度T，且該第二間距D2係不大於該厚声τ 丄 、生 予度Τ，以使該鎖匙構 化20具有較隹之結構厚度。本創作係利用沖厭犯# Τ壓形成之該凸 σ| 2 2增加鎖匙之結構強度，且利用沖壓方一 ^ 八一體形成鎖匙 、外型 '該對位凹槽21、該凸部22、該商標圖案幻及該 溝槽24亦可大幅降低鎖匙之製作成本。 〃 本創作之保護範圍當視後附之申請專利範圍所界定 為準’任何熟知此項技藝者，在不脫離本創作之精# pa T $ 口牵色 固内所作之任何變化與修改’均屬於本創作之保 Γ °文純圍。 圖式簡單說明】 第1圖：習知鎖匙之製造流程圖。 第2圖：習知鎖匙之結構剖視圖。 第3圖：依據本創作之/較佳實施例，一種鎖匙構造之掣 造方法流程圖。 第4圖：依據本創作之/較佳實施例，沖壓一金屬板材以 形成至少一鎖匙胚之製程示意圖。 第5圖：依據本創作之/較佳實施例，一鎖匙構造 〜立體 示意圖。 7 M356777 第6圖：依據本創作之一較佳實施例，該鎖匙構造之剖視 圖。 【主要元件符號說明】 10 習知鎖匙 10a 第 — 表 面 10b 墙 一 弟 11a 第 -— 底 面 12 墙 一 乐一 12a 第 -- 底 面 20 鎖 匙 構 造 20a 第 一 表 面 20b 资 — 2 1 a 第 —~ 底 面 22 凸部 22b 第 - 側 面 22c 第二 24 溝 槽 24a 墙 一 昂 -— D1 第 一 間 距 D2 贫 — ^ —- tl 第 一 厚 度 t2 给 一 -- T 厚 度 表面 11 第一對位溝槽 對位溝槽 表面 2 1 對位凹槽 2 2 a頂面 側面 23 商標圖案 底面 間距 厚度The degree T, and the second pitch D2 is not greater than the thick sound τ 丄 , the degree of growth Τ, so that the key configuration 20 has a relatively thin structural thickness. The creation system utilizes the convex σ| 2 2 formed by the 厌 犯 # 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 The trademark pattern and the groove 24 can also greatly reduce the manufacturing cost of the key.保护 The scope of protection of this creation is defined as the scope of the patent application attached to it. Anyone who is familiar with the art will not be able to make any changes or modifications made by the essence of this creation. It belongs to the protection of this creation. Brief description of the schema] Figure 1: Flow chart of the manufacturing of the custom key. Figure 2: A cross-sectional view of the structure of a conventional key. Figure 3 is a flow chart showing a method of fabricating a key construction in accordance with the presently preferred/preferred embodiment. Figure 4 is a schematic illustration of a process for stamping a sheet of metal to form at least one key blank in accordance with the presently preferred/preferred embodiment. Figure 5: A key configuration - a perspective view of a preferred embodiment of the present invention. 7 M356777 Figure 6: A cross-sectional view of the key construction in accordance with a preferred embodiment of the present invention. [Main component symbol description] 10 Conventional key 10a No. - Surface 10b Wall one brother 11a First - bottom surface 12 Wall one music one 12a First - bottom surface 20 Key structure 20a First surface 20b - 2 1 a -~ 22 convex portion 22b first side 22c second 24 groove 24a wall one-- D1 first spacing D2 lean - ^ - - tl first thickness t2 to one - T thickness surface 11 first alignment groove alignment Groove surface 2 1 alignment groove 2 2 a top side surface 23 logo pattern bottom surface pitch thickness