TWM269329U - Anti-burglary structure for door lock - Google Patents

Anti-burglary structure for door lock Download PDF

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Publication number
TWM269329U
TWM269329U TW93218198U TW93218198U TWM269329U TW M269329 U TWM269329 U TW M269329U TW 93218198 U TW93218198 U TW 93218198U TW 93218198 U TW93218198 U TW 93218198U TW M269329 U TWM269329 U TW M269329U
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TW
Taiwan
Prior art keywords
lock
key
plate
tooth
door
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TW93218198U
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Chinese (zh)
Inventor
Sheng-Je Shiu
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Sheng-Je Shiu
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Application filed by Sheng-Je Shiu filed Critical Sheng-Je Shiu
Priority to TW93218198U priority Critical patent/TWM269329U/en
Publication of TWM269329U publication Critical patent/TWM269329U/en

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Description

M269329 八、新型說明: 【新型所屬之技術領域】 本創作為一種門鎖之防盜結構,其藉齒板呈凹入弧曲狀之端面兩端與鎖孔間 距離小於則巾之凸絲度,以令外藉由卫具或無正確輪起者在移動排片時, 無法將排#推移至-定高麟,而會先碰剩絲,根本無法雜齒板之裝置 者。 【先前技術】 按,請參照第1圖所示,-般習知之多段式之門鎖,其裝置構造為一鎖座 100,該鎖座100上蓋合有-蓋板200 ,且該鎖座100上設有可凸露於門與門框 相對邊之齒板110,該齒板110上、下分別叠置有排片12G,該等排片⑽上設 有供齒板110凸柱111穿套之開口 121 ’該開口 121兩邊分別設有數個向内延伸 且間距相等之凸體122 ’該等凸體122之長度各不相同,再者,鎖座⑽及蓋板 200在鄰近排>;12〇及齒板11〇邊緣處設有相對之鎖孔1〇卜2〇1,此種門鎖在 開啟時’主要係藉由插人鎖孔巾之餘匙上配合排# 12Q凸體長度之凹槽, 而將排片120加以推動’使受到凸體122擋靠之凸㈣i可移至相對凸體122 間之空隙,以使齒板no可隨在開口 121中之凸柱ηι之移動’而移入鎖座1〇〇 或移出鎖座⑽外’進而將門打開或關閉,然因鎖孔m、观邊緣係呈平直狀, 故,當外來者以工具300插入鎖孔1〇1或航2〇1中時,該工具_上凸出之 轉謝會伸向排片120,並抵壓在排片12〇邊緣上,使排片12〇在工具細勾 桿3〇1之推動’輕易向垂直之方向移動(如第u圖所示),而使排片⑽上之凸 體122不再擒罪在齒板11〇之凸柱ln上同時,因鎖孔⑻加1邊緣截面係 呈平直狀’並無任何可阻擋之結構,使該工具與勾桿观垂直之起板咖 5 M269329 在無阻擔下’可輕易轉動而撥動齒板11(),進而移動齒板11(),根本不需用正確 之输政’即可將門打開,進而令該鎖座應失去防盜之功能。 另’一種習知之結構,請參照第2圖所示,其鎖座上蓋合有形狀與之配合 之蓋板50 ’該蓋板50上設有鎖孔51,該鎖孔51設有供餘匙6〇匙板61插入之 開槽511 ’該等開槽511間相對邊分別設有供餘匙6〇匙桿62轉動且呈凹入弧曲 狀之凹口 512’該等凹口 512與開槽511相連接在一起,且該等凹口 512邊緣分 別設有向齒板鋸齒延伸之凸緣513,該等凸緣513係呈圓拱型不連續狀。M269329 8. Description of the new type: [Technical field to which the new type belongs] This creation is an anti-theft structure of a door lock. The distance between the two ends of the end surface of the toothed plate that is concavely curved and the keyhole is smaller than the convex silk degree of the towel. In order to prevent the use of external guards or those who do not have the correct turn, when moving the row, the row # cannot be moved to-Ding Gao Lin, and the remaining wire will be touched first, and the device of the tooth plate cannot be mixed at all. [Prior art] Press, please refer to FIG. 1. The conventional multi-level door lock has a device configured as a lock base 100 which is covered with a cover plate 200 and the lock base 100. There are tooth plates 110 that can be exposed on the opposite sides of the door and the door frame. The tooth plates 110 are respectively stacked with rows of 12G above and below. These rows of blades are provided with openings 121 for the tooth plates 110 protruding columns 111 to pass through. 'There are several convex bodies 122 extending inwardly and equally spaced on both sides of the opening 121.' The lengths of the convex bodies 122 are different. Furthermore, the lock base 盖板 and the cover plate 200 are adjacent to each other > 12〇 and The edge of the tooth plate 11 is provided with an opposite keyhole 10b 2101. When the door lock is opened, it is mainly formed by inserting a keyhole of a keyhole towel into a row with a groove of # 12Q convex length. And push the row piece 120 so that the projection ㈣i blocked by the convex body 122 can be moved to the space between the opposite convex bodies 122, so that the tooth plate no can be moved into the lock with the movement of the convex column η in the opening 121. The seat 100 or moved out of the lock seat 'to open or close the door, but because the keyhole m and the edge of the view are straight, so when outsiders use tools 30 0 When inserted into the keyhole 101 or the flight 201, the tool_ protruding from the tool will extend to the row 120 and press against the edge of the row 120, so that the row 12 is on the tool's fine hook 3 The push of 〇1 'moves easily in the vertical direction (as shown in Fig. U), so that the convex body 122 on the row of cymbals no longer captures the crime on the convex column ln of the tooth plate 11 〇 1The edge cross section is straight and there is no structure that can block the tool, making the tool perpendicular to the hook view. 5 M269329 Under unobstructed load, it can be easily turned to move the tooth plate 11 (), and then move. Tooth plate 11 (), the door can be opened without using the correct government policy at all, so that the lock seat should lose its anti-theft function. Another kind of conventional structure, please refer to FIG. 2, the lock seat is covered with a cover plate 50 matching the shape. The cover plate 50 is provided with a lock hole 51, and the lock hole 51 is provided with a spare spoon. The slot 511 into which the 60 key plate 61 is inserted. The opposite sides of the slot 511 are respectively provided with recesses 512 for the remaining 60 key lever 62 to rotate and are concavely curved. The grooves 511 are connected together, and the edges of the notches 512 are respectively provided with flanges 513 extending serrated to the tooth plate, and the flanges 513 are discontinuous.

此外’該鑰匙60在匙桿62兩側分別設有向外延伸之匙板61,該匙板61係 呈爲平矩狀’且該匙板61 .分別設有與排片凸齒配合之齒部611,以推動排 片30向垂直方向移動,又,該匙板在兩端分職有婦之賴⑹,該等嵌槽 63恰可將鎖孔51之凸緣513嵌套其中。 當正確之鑰匙60插入鎖孔51中時,該鑰匙6〇之嵌槽63恰可將鎖孔51之 凸緣513絲其中,使匙板61不致受到凸緣513之麟,而能移動齒板,而將 齒板移入或移出鎖座,進而將門打開或關閉。 反之,如外來者藉由工具或一般習知鑰匙插入本創作鎖孔51中時,因工具 之匙板與習知餘匙之匙板邊緣皆呈平直狀,所以會受到凸緣513之擋靠,而無 法碰觸到錄,如此,岭絲不會受到王具之撥動轉動,如此,即可令無 正確瑜匙之外來者,無法打開門鎖。 如此-來’雖可以相防盜目的,惟因闕具在製造時,必蓋板及鎖 座均重新加工’在製造時非常麻煩’更何況,凸緣513係藉由焊接方式固定在 蓋板上’所以,在使用—段_後,會有脫落之情形,進而失去防盜之功效, 且配合之餘匙必須在匙板邊緣銳出凹槽’ f會發生凹槽大小不―,及銳壞之麻 6 M269329 煩。 【新型内容】 為改進上述習用裝置構造之各種缺點,創作人以從事鎖具製造業多年之經 驗,經過献努力研雜實驗,終於暖設計出摘作之⑽之防盜結構。 · 本創作之-目的’在提供-種門鎖之防缝構,聽在魅上設有可凸露 於門與門框相對邊之齒板’該齒板面對鎖孔之邊緣設有鑛齒該等鑛齒並保持· -定間距’且料麵端緣設有呈凹人弧驗之端面,且該錄上、下細疊· 置有供凸柱穿套其中之則’該等則在面對鎖孔之邊緣上設有複數個呈連續 狀之弧面’俾當外來者藉由工具插入鎖孔中抵靠在該等排片邊緣上可因齒板 之端面與鎖孔間之距離小於排片中凸齒之長度,使工具無法將該等排片移動至 -疋1¾度’即會先碰觸到齒板’讓齒板無法順利在則中移動,如此,即可令 無正確鑰匙之外來者,無法打開門鎖,進而達到防盜之目的。 本創作另-目的’在提供-種門鎖之防盜結構,座之鎖孔巾可插套〆 餘匙,該餘匙之匙板中設有向表面隆起且向外延伸之鎖桿,該鎖桿兩側分別設有 之弧孔,以令騎匙伸人鎖孔巾時’料弧孔可將躲健在絲端面邊緣上,· 使齒板隨著翁之轉動而移人或移離鎖座,如此,可輕祕齒板移動,且在製造. 非常容易簡單。 · 【實施方式】 清參閱第3圖所示,本創作係有關一種門鎖之防盜結構,其主要係指一種 夕#又式之門鎖’該門鎖上設有一鎖座1〇,該鎖座1〇中設有可凸露於門與門框相 對邊之齒板20 ’鋪板20 -邊上設有㈣整齊且長度相等之赫2卜該等鑛 齒21上分別設有呈凹入狐曲狀之端面211(如第3A圖所示),且該齒板2〇在面 7 M269329 兩端面之相對位置上分別設有向上延伸之凸柱(圖中未示)。 另,該齒板20上、下分別疊置有一個以上之排片3〇,該等排片3〇 一側設 有穿孔31,該等穿孔31分別穿套在鎖座1〇之凸柱上,且該等排片3〇在與齒板 20鑛齒21械邊分別設有垂直向外延伸之支柱32,該等支柱犯分別在不同位 置上,且該等支柱32上分別套設有一彈簧33,該等彈簧33另一端分別壓靠在 鎖座10内側邊上,又,該等排片30上設有供齒板20凸柱穿套之開口 34,該開 口 34兩邊分別設有數個向内延伸且間距相等之凸齒35,該等凸齒%之長度各 不相同,該等排片30在鄰近鎖孔之邊緣上分別設有深淺不一之弧面邡,每一弧 面36深度係隨每一排片3〇向内之各凸齒35之長度而改變。 再者’該鎖座1〇中設有與齒板20平行之輔助鎖舌40,該辅助鎖舌4〇 —端 並凸出鎖座10外,由於該輔助鎖舌40與一般多段式門鎖之輔助鎖舌結構相同, 且非本案重點,故在此不另贅述,此外,該鎖座10上蓋合有形狀與之配合之蓋 板50 ’該蓋板50與鎖座10上分別開設有相對之鎖孔51、12,該等鎖孔51、12 係位於鄰近齒板20鋸齒21位置處。In addition, 'the key 60 is provided with a key plate 61 extending outward on each side of the key lever 62, and the key plate 61 is in a rectangular shape', and the key plate 61 is provided with a tooth portion that cooperates with the convex teeth of the row plate 611, in order to push the row piece 30 to move in a vertical direction, and the key plate is divided into two sides, and the recesses 63 can just nest the flange 513 of the keyhole 51 therein. When the correct key 60 is inserted into the keyhole 51, the recessed groove 63 of the key 60 can wire the flange 513 of the keyhole 51, so that the key plate 61 is not affected by the flange 513, and the tooth plate can be moved. , And move the tooth plate into or out of the lock seat, and then open or close the door. Conversely, if an outsider inserts the keyhole 51 of the creation with a tool or a conventional key, the edges of the key plate of the tool and the key plate of the conventional key are straight, so they will be blocked by the flange 513. You ca n’t touch the record without touching it. In this way, Lingsi wo n’t be turned by Wang Gu. In this way, you ca n’t open the door lock if you do n’t have the correct key. So-come 'Although it can be used for anti-theft purposes, but because the cover and the lock seat must be re-processed when the fixture is manufactured, not to mention that the flange 513 is fixed to the cover by welding. 'So, after using the paragraph, it will fall off and lose the effect of anti-theft, and the remaining spoon must be sharply cut out on the edge of the key plate' f. Hemp 6 M269329 Annoying. [New content] In order to improve the various shortcomings of the above-mentioned conventional device structure, the creator based on many years of experience in the lock manufacturing industry, and after hard work on miscellaneous experiments, finally designed the anti-theft structure of the abstract. · The purpose of this creation is to provide a kind of anti-sewing structure for door locks. On the charm, there is a tooth plate that can be exposed on the opposite side of the door and the door frame. The edge of the tooth plate facing the keyhole is provided with mineral teeth. These teeth are kept at a fixed distance and the end of the material surface is provided with a concave end surface, and the top and bottom of the record are thinly stacked. A plurality of continuous curved surfaces are provided on the edge facing the keyhole. When outsiders insert tools into the keyhole and abut against the edges of these rows, the distance between the end face of the tooth plate and the keyhole is less than The length of the convex teeth in the row makes the tool unable to move the rows to-疋 1¾ degrees, that is, it will first touch the tooth plate, so that the tooth plate cannot move smoothly in the rule. In this way, it can make the outside without the correct key. Or, the door lock cannot be unlocked, thereby achieving the purpose of anti-theft. The other purpose of this creation is to provide a kind of anti-theft structure for door locks. The keyhole towel of the seat can be inserted with a spare spoon. The key plate of the spare spoon is provided with a locking rod that bulges to the surface and extends outward. Arc holes are provided on both sides of the rod, so that when the key is extended into the keyhole towel, the "material arc hole" can hide on the edge of the silk end face, so that the tooth plate moves or moves away from the lock seat with the rotation of the wing. In this way, the tooth plate can be moved lightly, and it is easy to manufacture. · [Embodiment] As shown in FIG. 3, the present invention relates to an anti-theft structure of a door lock, which mainly refers to a kind of xi # door lock. The door lock is provided with a lock seat 10, and the lock The seat 10 is provided with a tooth plate 20 which can be exposed on the opposite side of the door and the door frame. The plank 20 is provided with a neat and equal length He 2 on the side. The ore teeth 21 are respectively provided with concave fox songs. The shape of the end surface 211 (as shown in FIG. 3A), and the tooth plate 20 is provided with convex columns (not shown in the figure) extending upward at the relative positions of the two end surfaces of the face 7 M269329. In addition, the tooth plate 20 is stacked with one or more rows 30 above and below, respectively. One side of the rows 30 is provided with perforations 31, and the perforations 31 are respectively sleeved on the convex posts of the lock base 10, and The rows of blades 30 are respectively provided with pillars 32 extending vertically outward from the teeth of the teeth 20 and the teeth 21 of the teeth. The pillars are respectively located at different positions, and a spring 33 is sleeved on the pillars 32. The other ends of the spring 33 are respectively pressed against the inner sides of the lock base 10, and the rows of plates 30 are provided with openings 34 for the toothed plates 20 to pass through the bosses. The two sides of the openings 34 are provided with several inwardly extending and Convex teeth 35 with equal spacing, and the length of these convex teeth% are different. The rows of plates 30 are provided with different depths of curved surfaces on the edge adjacent to the keyhole. The depth of each curved surface 36 varies with each The length of each convex tooth 35 inward of the row 30 is changed. Furthermore, an auxiliary locking tongue 40 parallel to the tooth plate 20 is provided in the locking seat 10, and the auxiliary locking tongue 40-end protrudes out of the locking seat 10, because the auxiliary locking tongue 40 and the general multi-section door lock The auxiliary lock tongue has the same structure and is not the focus of this case, so it will not be repeated here. In addition, the lock base 10 is covered with a shape-matching cover plate 50 ′. The cover plate 50 and the lock base 10 are respectively opposite to each other. The keyholes 51 and 12 are located adjacent to the teeth 21 of the tooth plate 20.

且該等鎖孔51、12分別設有供鑰匙60匙板61(如第4圖所示)插入之開槽, 該錄匙60在匙桿62兩側分別設有向外延伸之匙板61,該匙板61係呈扁平矩狀, 且該匙板61邊緣分別設有與排片30凸齒35配合之齒部611,以推動排片30向 垂直方向移動,又,該匙板61在匙桿62兩側分別設有弧孔63(如第4、5圖所 示),該弧孔63延伸至匙桿62之弧度(標示a)大於鋸齒21端面211凹入之弧度 (標示b)(如第4、5圖所示)。 請參照第3、4、5、6圖所示,當正確之鑰匙60插入鎖孔51、12中時,可 藉由齒部611抵靠在排片30邊緣之弧面36,使該等排片30在鑰匙60匙板61 8 M269329 之撥動,向垂直方向移動’以使排片3Q之開口 34可移至齒㈣凸柱之位置上 再藉由鑰匙60匙桿62轉動,使其上之弧孔63邊緣壓靠在齒板2_幻之轉 面211祕上’即能移_板2(),而將齒板2Q移人或移出鎖錢進而將 打開或關閉。 反之#參照第1、3、4、5、6圖所示,如外來者藉由工具3〇〇或一般習 知鑰匙插人本創作鎖孔5卜12中時,因與齒板⑼之端面2ιι與鎖孔ΐ2、Η間 之距離J使工具3〇〇 |法將該等排片3〇移動至一定高度,即會先碰觸到齒板 0而讓齒板20無法順利在排片3〇中移動如此,如此,即可令無正確餘匙之 外來者’無法打開門鎖,進而達到防盜之目的。 上述本創作僅以最佳實施例作舉例說明,對熟悉該項技藝之人員,當矸進 仃各種變化例,惟此等變化例,均應包括在本創作之精神及範圍内。 綜上所述,本創作在物品之形狀構造裝置上屬首先創作,具有新穎性,能 增進功效,且合於實用,堪稱一理想之新型創作。 【圖式簡單說明】 第1圖為習用裝置之示意圖。 第1A圖為習用裝置鑰匙轉動齒板之示意圖。 第2圖為另一習知裝置之示意圖。 第3圖為本創作實施時與鎖座配合之鑰匙之立體示意圖。 第3A圖為本創作實施時之齒板放大示意圖。 第4圖為本創作實施時之鑰匙插入鎖座中之示意圖。 第5圖為本創作實施時之餘起插入鎖座中之作動示意圖。 第6圖為本創作實施時之立體分解圖。 M269329 【主要元件符號說明】 鎖座 10 鎖孔 12 齒板 20 錄齒 21 端面 211 排片 30 穿孔 31 支柱 32 彈簧 33 開口 34 凸齒 35 弧面 36 輔助鎖舌 40 蓋板 50 鎖孔 51 錄匙 60 匙板 61 齒部 611 匙桿 62 弧孔 63 ίοThe keyholes 51 and 12 are respectively provided with slots for inserting a key 60 key plate 61 (as shown in FIG. 4), and the key recording 60 is provided with key plates 61 extending outward on both sides of the key lever 62. The key plate 61 is a flat rectangular shape, and the edge of the key plate 61 is provided with tooth portions 611 that cooperate with the convex teeth 35 of the row plate 30 to push the row plate 30 to move in a vertical direction, and the key plate 61 is on the key rod. There are arc holes 63 on both sides of 62 (as shown in Figures 4 and 5). The arc hole 63 extends to the arc of the key 62 (marked a) is greater than the concave arc of the end 21 of the saw tooth 21 (marked b) (such as (Figures 4 and 5). Please refer to Figures 3, 4, 5, and 6. When the correct key 60 is inserted into the lock holes 51 and 12, the toothed portion 611 can abut against the arc surface 36 on the edge of the row 30, so that the rows 30 When the key 60 key plate 61 8 M269329 is turned, move it vertically so that the opening 34 of the row 3Q can be moved to the position of the protrusion of the tooth, and then rotate by the key 60 key lever 62 to make the arc hole on it. The 63 edge is pressed against the tooth plate 2_magic rotation surface 211 secret, that is, the plate 2 () can be moved, and the tooth plate 2Q is moved or locked out to open or close. Contrary #Refer to Figures 1, 3, 4, 5, and 6, as shown in the figure, if an outsider inserts into the keyhole 5 and 12 of the original creation key with a tool 300 or a conventional key, it is due to the end face of the tooth plate ⑼ The distance J between the 2m and the keyholes ΐ2 and Η makes the tool 300a move the rows 30 to a certain height, that is, it will first touch the tooth plate 0 and prevent the tooth plate 20 from being smoothly in the row 30. Moving this way, in this way, outsiders who do not have the correct balance of keys can't unlock the door, thereby achieving the purpose of anti-theft. The above-mentioned creation is only described by taking the best embodiment as an example. For those who are familiar with this skill, various changes should be introduced, but these changes should be included in the spirit and scope of this creation. In summary, this creation is the first creation on the shape and structure of the article. It has novelty, can enhance the efficacy, and is practical. It is an ideal new creation. [Schematic explanation] Figure 1 is a schematic diagram of a conventional device. Figure 1A is a schematic diagram of a toothed plate rotated by a key of a conventional device. Figure 2 is a schematic diagram of another conventional device. Figure 3 is a three-dimensional schematic view of the key that cooperates with the lock seat during the implementation of the creation. Figure 3A is an enlarged schematic diagram of the tooth plate when the creation is implemented. Figure 4 is a schematic diagram of the key inserted into the lock seat during the implementation of the creation. Figure 5 is a schematic diagram of the action inserted into the lock seat after the creation. Figure 6 is a three-dimensional exploded view of the creation. M269329 [Description of main component symbols] Lock base 10 Lock hole 12 Tooth plate 20 Recording teeth 21 End surface 211 Row piece 30 Perforation 31 Pillar 32 Spring 33 Opening 34 Convex teeth 35 Curved surface 36 Auxiliary tongue 40 Cover plate 50 Keyhole 51 Recording key 60 Key plate 61 Tooth 611 Key rod 62 Arc hole 63 ίο

Claims (1)

M269329 九、申請專利範圍: 1· 一種門鎖之防盜結構,該結構包括有·· ‘ · 一二:¾ 一鎖座’該鎖座上設有一鎖孔; 一齒板,其係可凸露於門與門框相對邊,該齒板靠近鎖孔一邊設有凸出之 錯齒’该等锯齒分別設有呈凹入弧曲狀之端面; 右干排片,其係分別疊置在齒板上、下面上,且該等排片在靠近鎖孔一邊 設有弧面; -蓋板,錢蓋合在鎖座上,該蓋板上亦設有與鎖座觀相對之鎖孔丨 藉上述構狀組成,外來者藉由工具插人鎖财抵綠鱗則邊緣上, 可因齒板之_與狐_杨糾巾⑽之紐,紅具無歸該等排片移 動至-定高度,即會先碰_餘,而讓賴無法糊在排片巾_,如此, 即可令無正確餘匙之外來者,無法打開門鎖,進而_防盜之目的。 2.如申請專利細第丨項所述之門鎖之防盜結構,其鎖孔中可插套有一輪 匙,該鑰匙在匙桿兩側分別設有向外延伸之匙板,該匙板在靠近匙桿兩側分別 設有相對且以之祕,傾麟权鎖財時,辦弧研料緣姆在形 狀與之配合之鋸齒端面邊緣上,使齒板隨著 輻&之轉動而移入或移離鎖座。 其弧孔延伸至匙桿之弧 3·如申請專利範圍第2項所述之門鎖之防盜結構 度大於錄齒端面凹入之弧度。M269329 9. Scope of patent application: 1. An anti-theft structure of a door lock, which includes: · · · · 12: ¾ a lock seat; the lock seat is provided with a lock hole; a tooth plate, which can be exposed On the opposite side of the door and the door frame, the tooth plate is provided with protruding staggered teeth on the side close to the keyhole. The serrations are respectively provided with concave arc-shaped end faces; the right dry rows are stacked on the tooth plates respectively. The upper and lower sides are provided, and the rows are provided with curved surfaces on the side close to the lock hole;-a cover plate and a money cover are fitted on the lock seat, and the cover plate is also provided with a lock hole opposite to the lock seat view. Shaped composition, outsiders can insert money to lock the green scales by tools, but the edge of the teeth can be moved to a fixed height due to the _ and _ _ _ _ Yang Jie towel of the tooth plate. Touch _yu first, so that Lai ca n’t paste on the towels. In this way, people who do n’t have the correct key can not open the door lock, thus preventing theft. 2. The anti-theft structure of the door lock according to item 丨 of the patent application, a round key can be inserted into the keyhole, and the key is provided with a key plate extending outward on both sides of the key lever, and the key plate is in There are opposite and secrets on the two sides near the key rod respectively. When tilting the right to lock money, the edge of the arc research material is on the edge of the serrated end surface that matches the shape, so that the tooth plate moves in with the rotation of the spokes & Or remove the lock seat. The arc hole extends to the arc of the key lever 3. The degree of anti-theft structure of the door lock as described in item 2 of the scope of patent application is greater than the arc of the concave end surface of the tooth.
TW93218198U 2004-11-12 2004-11-12 Anti-burglary structure for door lock TWM269329U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
TW93218198U TWM269329U (en) 2004-11-12 2004-11-12 Anti-burglary structure for door lock

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Application Number Priority Date Filing Date Title
TW93218198U TWM269329U (en) 2004-11-12 2004-11-12 Anti-burglary structure for door lock

Publications (1)

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TWM269329U true TWM269329U (en) 2005-07-01

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