WO2022061623A1 - 一种应用于按键密码锁的寻码结构 - Google Patents
一种应用于按键密码锁的寻码结构 Download PDFInfo
- Publication number
- WO2022061623A1 WO2022061623A1 PCT/CN2020/117258 CN2020117258W WO2022061623A1 WO 2022061623 A1 WO2022061623 A1 WO 2022061623A1 CN 2020117258 W CN2020117258 W CN 2020117258W WO 2022061623 A1 WO2022061623 A1 WO 2022061623A1
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- WO
- WIPO (PCT)
- Prior art keywords
- push rod
- code
- key
- password
- lock
- Prior art date
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Classifications
-
- E—FIXED CONSTRUCTIONS
- E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
- E05B—LOCKS; ACCESSORIES THEREFOR; HANDCUFFS
- E05B17/00—Accessories in connection with locks
- E05B17/22—Means for operating or controlling lock or fastening device accessories, i.e. other than the fastening members, e.g. switches, indicators
-
- E—FIXED CONSTRUCTIONS
- E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
- E05B—LOCKS; ACCESSORIES THEREFOR; HANDCUFFS
- E05B37/00—Permutation or combination locks; Puzzle locks
- E05B37/20—Puzzle locks, e.g. of labyrinth type; Fasteners with hidden or secret actuating mechanisms
Definitions
- the invention relates to the technical field of key combination locks, in particular to a code searching structure applied to key combination locks.
- the key combination lock combines the characteristics of electronic locks and key mechanical locks. It can be unlocked with a password, and users do not need to carry keys with them, which is convenient and fast. The risk of the lock being scrapped due to failure has broad market prospects.
- the existing key combination lock is limited by the structure. Once the user forgets the password, they cannot retrieve the password independently. They can only disassemble the combination lock and then reassemble and set the password. The operation is difficult, time-consuming and labor-intensive, and certain locks are required. Professional knowledge, extremely poor user experience.
- the purpose of the present invention is to provide a code searching structure applied to a key combination lock.
- the key can be used to find the password, and the operation is convenient.
- the solution of the present invention is: a code searching structure applied to a key combination lock, comprising a lock seat, a lock cylinder, a push rod, a push rod cam and a push rod spring, and several pairs of key springs and password keys ;
- the top surface of the lock seat is provided with a chute and a number of key slots, and the key slots are symmetrically arranged on both sides of the chute;
- the lock cylinder is assembled on the lock seat;
- the push rod is slidably connected Fitted in the chute, both sides are provided with hooks corresponding to the key slot;
- the key spring and the password key are sequentially fitted in the key slot, and a limit ring is arranged on the side of the password key groove, the upper wall of the limit ring groove is provided with a vacancy gap, the installation angles of the password buttons are different corresponding to the correct password or the wrong password state, and all the password buttons are uniformly set to the gap in one of these states.
- the side where it is located is opposite to the hook; the push rod cam is assembled on the bottom end of the lock cylinder; the push rod spring is arranged between the chute and the push rod to provide elastic force to make the The push rod abuts on the periphery of the push rod cam; in the locked state, the push rod is stationary, pressing the password button in any state, the hook can hook the limit ring groove to prevent the password button pop up; when looking for the password, insert and rotate the key matched with the lock cylinder, the lock cylinder drives the push rod cam to rotate to drive the push rod to move axially, so that the hook is aligned with the Make way for the gap, and when pressing the password keys in different states, there are two results of being hooked by the hook and unable to be hooked by the hook, and the correct password can be found according to different results.
- the peripheral edge of the push rod cam is provided with a locking section, a code-clearing arc surface and a code-seeking section that are connected in sequence; in the locked state, the push rod is stationary against the locking section; the lock cylinder drives the During the rotation of the push rod cam, the code clearing arc surface pushes the push rod away from the lock cylinder to move the push rod away from the lock cylinder, so that the hook is separated from the limit ring groove to realize password reset and reset, and the code search
- the cross section gives way to the push rod to allow the push rod to move towards the lock cylinder so that the hook is aligned with the escape notch.
- the two sides of the locking section are symmetrically provided with a connected code-clearing arc surface and a code-seeking section.
- the code-seeking section corresponds to the position where the lock cylinder rotates by 135°.
- the code-finding structure applied to the key combination lock further includes a button spring and a button, the button spring and the button are sequentially connected to the top of the password key.
- the code searching structure applied to the key combination lock further includes a knob, an installation cavity is arranged on the lock base, the chute is communicated with the installation cavity in the length direction, and the knob is rotatably matched with the installation cavity. In the installation cavity, the lock cylinder is assembled in the knob.
- the code-finding structure applied to a key combination lock also includes two pairs of lock pieces and lock piece springs, and a linkage assembly arranged between the lock pieces and the knob; the two lock pieces slide respectively. It is connected and fitted on both sides of the chute and is located on the outside of the key slot; the linkage assembly drives the locking piece to move axially along with the rotation of the knob; the outer periphery of the password key is also provided with a
- the upper and lower yield slots above the limit ring groove, the upper yield slot and the lower yield slot are arranged in a dislocation in the circumferential direction of the password key, and the password key in the correct password state is pressed. When it is pressed down, the upper abdication slot gives way to the axis of the locking piece to move, and when the password button in the wrong password state is not pressed, the lower abstention slot gives way to the axis of the locking piece to move.
- the upper abdication slot and the lower abdication slot are arranged at an interval of 90° in the peripheral direction of the cipher key; the abdication gap is coplanar with the upper and lower abdication slots.
- the linkage assembly includes a top sheet cam sleeved on the knob, a top sheet fitted on the periphery of the top sheet cam, the end of the locking sheet abuts on the top sheet, and the rotation of the knob drives the The top sheet cam rotates, and the top sheet cam pushes the locking sheet to move axially through the top sheet.
- the code finding structure applied to the key combination lock further includes a torsion spring, which is arranged between the installation cavity and the knob and is used to drive the knob to reset.
- the present invention sets a vacant notch on the side of the password button, and when the push rod cam rotates to the code-seeking state, the push rod moves so that the hook is aligned with the vacant notch, and the password in different states is set.
- the button is pressed, different results will be generated because of whether it can be hooked by the hook, and the correct password can be found according to different results.
- the entire code searching process only needs to use the key to turn the lock cylinder and press the password buttons one by one. The operation is simple and efficient. High, and does not need to disassemble the key combination lock, with a good user experience.
- FIG. 1 is an exploded view of a specific embodiment of the present invention.
- FIG. 2 is a perspective view of a lock seat according to a specific embodiment of the present invention.
- FIG 3 is a perspective view of a password key according to an embodiment of the present invention.
- FIG. 4 is a perspective view of a push rod according to an embodiment of the present invention.
- FIG. 5 is a perspective view of a push rod cam according to an embodiment of the present invention.
- FIG. 6 is a schematic structural diagram of an unlocked state according to a specific embodiment of the present invention.
- FIG. 7 is a cross-sectional view of an unlocked state according to an embodiment of the present invention.
- FIG. 8 is a schematic structural diagram of a code seeking state according to a specific embodiment of the present invention.
- FIG. 9 is a cross-sectional view of a code seeking state according to an embodiment of the present invention.
- lock seat 1 lock seat 1; chute 11; key slot 12; installation cavity 13; lock cylinder 2; push rod 3; hook 31; push rod cam 4; locking section 41; Code section 43; push rod spring 5; button spring 6; password button 7; limit ring groove 71; Knob 20; Lock plate 30; Lock plate gap 301;
- the present invention is a code searching structure applied to a key combination lock, including a lock base 1, a lock cylinder 2, a push rod 3, a push rod cam 4, a push rod spring 5, and several pairs of key springs 6 and password keys 7.
- the top surface of the lock base 1 is provided with a chute 11 and a number of key slots 12, and the key slots 12 are symmetrically arranged on both sides of the chute 11; the lock cylinder 2 is assembled on the lock base 1; the push rod 3 is slidably fitted in the chute 11 There are hooks 31 corresponding to the key slot 12 on both sides; the key spring 6 and the password key 7 are matched in the key slot 12 in sequence, and the side of the password key 7 is provided with a limit ring groove 71 and a limit ring groove 71
- the upper wall of the upper wall is provided with a gap 72, and the different installation angles of the password buttons 7 correspond to the correct password or the wrong password state, and all the password buttons 7 are uniformly set to be in one of the states.
- the side where the gap 72 is located is opposite to the hook 31;
- the push rod cam 4 is assembled on the bottom end of the lock cylinder 2;
- the push rod spring 5 is arranged between the chute 11 and the push rod 3 to provide elastic force to make the push rod 3 abut the periphery of the push rod cam 4; in the locked state , the push rod 3 is still, press the password button 7 in any state, the hook 31 can hook the limit ring groove 71 to prevent the password button 7 from bouncing; when looking for the password, insert the key 8 that matches the lock cylinder 2 and Rotation, the lock cylinder 2 drives the push rod cam 4 to rotate to drive the push rod 3 to move axially, so that the hook 31 is aligned with the vacant notch 72.
- the hook 31 hooks two kinds of results, and the correct password is found according to different results.
- the peripheral edge of the above-mentioned push rod cam 4 is provided with a locking section 41, a code-clearing arc surface 42 and a code-seeking section 43 that are connected in sequence; in the locked state, the push rod 3 is stationary against the locking section 41; the lock cylinder 2 drives the pusher.
- the code clearing arc surface 42 pushes the push rod 3 to move away from the lock cylinder 2, so that the hook 31 is separated from the limit ring groove 71 to realize the password reset and reset, and the code search section 43 gives way to the push rod 3 to move.
- the push rod 3 is allowed to move toward the lock cylinder 2 , so that the hook 31 is aligned with the escape notch 72 .
- the two sides of the above-mentioned locking section 41 are symmetrically provided with the connected code clearing arc surface 42 and the code searching section 43, so that the forward and reverse rotation of the lock cylinder 2 can realize the password reset, reset and find the password.
- the code-searching section 43 corresponds to the position where the lock cylinder 2 rotates by 135°.
- the present invention also includes a button spring 9 and a button 10.
- the button spring 9 and the button 10 are connected to the top of the password button 7 in turn.
- the button 10 can prevent the user from directly contacting the password button 7 and improve the operating feel. Different reaction forces when pressing button 10 differentiates between correct and incorrect passwords.
- the present invention also includes a knob 20 , the lock base 1 is provided with an installation cavity 13 , the chute 11 communicates with the installation cavity 13 in the length direction, the knob 20 is rotatably fitted in the installation cavity 13 , and the lock cylinder 2 is assembled in the knob 20 .
- the present invention also includes two pairs of locking pieces 30 and locking piece springs 40, and a linkage assembly disposed between the locking pieces 30 and the knob 20; the two locking pieces 30 are respectively slidably fitted on both sides of the sliding slot 11 and are located in the key slot The outer side of 12; the linkage assembly drives the locking piece 30 to move with the rotation of the knob 20;
- the position slot 73 and the lower yield slot 74 are dislocated in the circumferential direction of the password key 7.
- the upper yield slot 73 yields the axis of the locking piece 30 to move, and the wrong password state
- the lower parting slot 74 makes way for the axis of the locking piece 30 to move.
- the upper vacant slot 73 and the lower vacant slot 74 are arranged at an interval of 90° in the peripheral direction of the password key 7;
- the above-mentioned linkage assembly includes a top piece cam 50 that is sleeved on the knob 20, a top piece 60 that fits on the periphery of the top piece cam 50, the end of the locking piece 30 is against the top piece 60, and the rotation of the knob 20 drives the top piece cam 50 to rotate. , the top sheet cam 50 pushes the locking sheet 30 through the top sheet 60 to move axially.
- the inner side of the lock piece 30 is provided with a lock piece notch 301 corresponding to the key slot 12 .
- the lock piece notch 301 allows the password button 7 to move up and down, and the password button 7 can be pressed to enter the password.
- the notch 301 of the locking piece includes a first escape groove 3011 and a second escape groove 3012 arranged side by side.
- the present invention also includes a torsion spring 70, which is arranged between the installation cavity 13 and the knob 20, and is used to drive the knob 20 to reset.
- the unlocked state of the present invention the working principle of the present invention is that when the button 10 (ie, the password button 7) is not pressed, the locking piece 30 can pass through the wrong password.
- the button 10 ie the password button 7
- the locking piece 30 can pass through the upper recess 73 of the correct password, and is blocked by the wrong password.
- the position slot 73 and the lower yield slot 74 of the wrong password are aligned in a straight line, allowing the locking piece 30 to pass through, then the knob 20 is no longer limited and can be rotated to unlock.
- the code searching state of the present invention after inserting the key 8 matched with the lock cylinder 2 and rotating, the lock cylinder 2 drives the push rod cam 4 to rotate, because the push rod 3 is against the push rod cam 4
- the code-seeking section 43 gives way to the axis of the push rod 3 to move, so that the push rod 3 moves in the direction of the lock cylinder 2, and then the hook 31 is aligned with the escape notch 72.
- the password button 7 set to a different state, there will be two results of being hooked by the hook 31 and unable to be hooked by the hook 31. Pressing the buttons 10 one by one can find the correct password according to different results.
- the setting is as follows:
- the password button 7 in different states is pressed, different results will be produced because of whether it can be hooked by the hook 31, and the correct password can be found according to different results.
- the operation is simple, the efficiency is high, and the key password lock does not need to be disassembled, which has a good user experience.
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Abstract
本发明公开一种应用于按键密码锁的寻码结构，包括锁座、锁芯、推杆、推杆凸轮和推杆弹簧，以及若干对按键弹簧和密码按键。锁具在上锁状态时，推杆静止，按下任一状态的密码按键，卡钩均可勾住限位环槽防止密码按键弹起；寻找密码时，将与锁芯匹配的钥匙插入并转动，锁芯带动推杆凸轮转动以驱动推杆做轴线移动，使得卡钩对准让位缺口，按下不同状态的密码按键时产生被卡钩勾住、无法被卡钩勾住两种结果，根据不同结果找到正确密码。本发明在用户忘记密码时，只需使用钥匙转动锁芯，并逐个按压密码按键，操作简单、效率高，而且不需要拆卸按键密码锁，具有良好的用户体验。
Description
本发明涉及按键密码锁技术领域，特别是指一种应用于按键密码锁的寻码结构。
按键密码锁结合了电子锁与钥匙机械锁的特点，既可以使用密码开锁，用户无需随身携带钥匙，方便快捷，其结构上又是依据纯机械结构联动实现锁具功能，稳定性强，不存在电子失效而导致锁具报废的风险，具有广泛的市场前景。
现有的按键密码锁受限于结构的限制，一旦用户忘记密码，无法自主找回密码，只能将密码锁拆开后重新组装并设定密码，操作困难、费时费力，而且需要一定的锁具专业知识，用户体验极差。
本发明的目的在于提供一种应用于按键密码锁的寻码结构，当用户忘记密码时，可以使用钥匙寻找密码，操作方便。
为了达成上述目的，本发明的解决方案是：一种应用于按键密码锁的寻码结构，包括锁座、锁芯、推杆、推杆凸轮和推杆弹簧，以及若干对按键弹簧和密码按键；所述锁座的顶面设置有滑槽和若干按键槽，所述按键槽对称设置在所述滑槽的两侧；所述锁芯装配在所述锁座上；所述推杆滑接配合在所述滑槽中，其两侧均设置有与所述按键槽对应的卡钩；所述按键弹簧、密码按键依次配合在所述按键槽中，所述密码按键的侧面设置有限位环槽，所述限位环槽的上壁设置有让位缺口，所述密码按键的安装角度不同对应正确密码或错误密码状态，所有密码按键统一设置为在其中一种状态下所述让位缺口所在侧面与所述卡钩相对；所述推杆凸轮装配在所述锁芯的底端；所述推杆弹簧设置在所述滑槽与所述推杆之间，用于提供弹力使所述推杆抵在所述推杆凸轮的周缘；上锁状态时，所述推杆静止，按下任一状态的密码按键，所述卡钩均可勾住所述限位环槽防止所述密码按键弹起；寻找密码时，将与所述锁芯匹配的钥匙插入并转动，所述锁芯带动所述推杆凸轮转动以驱动所述推杆做轴线移动，使得所述卡钩对准所述让位缺口，按下不同状态的密码按键时产生被所述卡钩勾住、无法被所述卡钩勾住两种结果，根据不同结果找到正确密码。
所述推杆凸轮的周缘设置有依次连接的上锁断面、清码弧面和寻码断面；上锁状态时，所述推杆抵在所述上锁断面而静止；所述锁芯带动所述推杆凸轮转动的过程中，所述清码弧面推动所述推杆背离所述锁芯移动，以使所述卡钩脱离所述限位环槽实现密码清零复原，所述寻码断面让位所述推杆以允许所述推杆面向所述锁芯移动，使得所述卡钩对准所述让位缺口。
所述上锁断面的两侧对称设置有衔接的清码弧面和寻码断面。
所述寻码断面对应所述锁芯旋转135°的位置。
所述的一种应用于按键密码锁的寻码结构还包括按钮弹簧和按钮，所述按钮弹簧、按钮依次连接在所述密码按键的顶端。
所述的一种应用于按键密码锁的寻码结构还包括旋钮，所述锁座上设置有安装腔，所述滑槽在长度方向连通至所述安装腔，所述旋钮转动配合在所述安装腔中，所述锁芯装配在所述旋钮中。
所述的一种应用于按键密码锁的寻码结构还包括两对锁片和锁片弹簧，以及设置在所述锁片与所述旋钮之间的联动组件；两个所述锁片分别滑接配合在所述滑槽的两侧并位于所述按键槽的外侧；所述联动组件随着所述旋钮的转动驱动所述锁片做轴线移动；所述密码按键的外周还设置有位于所述限位环槽上方的上让位槽和下让位槽，所述上让位槽与所述下让位槽在所述密码按键的圆周方向上错位设置，正确密码状态的密码按键被按下时，其上让位槽让位所述锁片的轴线移动，错误密码状态的密码按键没被按下时，其下让位槽让位所述锁片的轴线移动。
所述上让位槽与所述下让位槽在所述密码按键的周缘方向上间隔90°设置；所述让位缺口与所述上让位槽、下让位槽其一共面。
所述联动组件包括套置在所述旋钮上的顶片凸轮、配合在所述顶片凸轮周缘的顶片，所述锁片的端部抵在所述顶片，所述旋钮的转动带动所述顶片凸轮转动，所述顶片凸轮通过所述顶片推动所述锁片做轴线移动。
所述的一种应用于按键密码锁的寻码结构还包括扭簧，所述扭簧设置在所述安装腔与所述旋钮之间，用于驱动所述旋钮复位。
采用上述技术方案后，本发明通过在密码按键的侧面设置让位缺口，在推杆凸轮转动至寻码状态时，推杆移动以使卡钩对准让位缺口，则设置为不同状态的密码按键被按下时会因为是否可以被卡钩勾住而产生不同结果，则可以根据不同结果找到正确密码，整个寻码过程只需使用钥匙转动锁芯，并逐个按压密码按键，操作简单、效率高，而且不需要拆卸按键密码锁，具有良好的用户体验。
图1为本发明具体实施例的分解图。
图2为本发明具体实施例锁座的立体图。
图3为本发明具体实施例密码按键的立体图。
图4为本发明具体实施例推杆的立体图。
图5为本发明具体实施例推杆凸轮的立体图。
图6为本发明具体实施例开锁状态的结构示意图。
图7为本发明具体实施例开锁状态的剖视图。
图8为本发明具体实施例寻码状态的结构示意图。
图9为本发明具体实施例寻码状态的剖视图。
附图标号说明：锁座1；滑槽11；按键槽12；安装腔13；锁芯2；推杆3；卡钩31；推杆凸轮4；上锁断面41；清码弧面42；寻码断面43；推杆弹簧5；按键弹簧6；密码按键7；限位环槽71；让位缺口72；上让位槽73；下让位槽74；钥匙8；按钮弹簧9；按钮10；旋钮20；锁片30；锁片缺口301；第一让位槽3011；第二让位槽3012；锁片弹簧40；顶片凸轮50；顶片60；扭簧70。
为了进一步解释本发明的技术方案，下面通过具体实施例来对本发明进行详细阐述。
本发明为一种应用于按键密码锁的寻码结构，包括锁座1、锁芯2、推杆3、推杆凸轮4和推杆弹簧5，以及若干对按键弹簧6和密码按键7。
锁座1的顶面设置有滑槽11和若干按键槽12，按键槽12对称设置在滑槽11的两侧；锁芯2装配在锁座1上；推杆3滑接配合在滑槽11中，其两侧均设置有与按键槽12对应的卡钩31；按键弹簧6、密码按键7依次配合在按键槽12中，密码按键7的侧面设置有限位环槽71，限位环槽71的上壁设置有让位缺口72，密码按键7的安装角度不同对应正确密码或错误密码状态，所有密码按键7统一设置为在其中一种状态下让位缺口72所在侧面与卡钩31相对；推杆凸轮4装配在锁芯2的底端；推杆弹簧5设置在滑槽11与推杆3之间，用于提供弹力使推杆3抵在推杆凸轮4的周缘；上锁状态时，推杆3静止，按下任一状态的密码按键7，卡钩31均可勾住限位环槽71防止密码按键7弹起；寻找密码时，将与锁芯2匹配的钥匙8插入并转动，锁芯2带动推杆凸轮4转动以驱动推杆3做轴线移动，使得卡钩31对准让位缺口72，按下不同状态的密码按键7时产生被卡钩31勾住、无法被卡钩31勾住两种结果，根据不同结果找到正确密码。
参考图1至图5所示，示出了本发明的具体实施例。
上述推杆凸轮4的周缘设置有依次连接的上锁断面41、清码弧面42和寻码断面43；上锁状态时，推杆3抵在上锁断面41而静止；锁芯2带动推杆凸轮4转动的过程中，清码弧面42推动推杆3背离锁芯2移动，以使卡钩31脱离限位环槽71实现密码清零复原，寻码断面43让位推杆3以允许推杆3面向锁芯2移动，使得卡钩31对准让位缺口72。本实施例中，上述上锁断面41的两侧对称设置有衔接的清码弧面42和寻码断面43，则锁芯2的正反向旋转都可以实现密码清零复原和寻找密码，不再有操作方向的限制，更加方便；寻码断面43对应锁芯2旋转135°的位置。
本发明还包括按钮弹簧9和按钮10，按钮弹簧9、按钮10依次连接在密码按键7的顶端，按钮10可以避免用户直接与密码按键7接触，提高操作手感，在寻找密码时，可以根据按下按钮10时的不同反作用力区分正确密码和错误密码。
本发明还包括旋钮20，锁座1上设置有安装腔13，滑槽11在长度方向连通至安装腔13，旋钮20转动配合在安装腔13中，锁芯2装配在旋钮20中。
本发明还包括两对锁片30和锁片弹簧40，以及设置在锁片30与旋钮20之间的联动组件；两个锁片30分别滑接配合在滑槽11的两侧并位于按键槽12的外侧；联动组件随着旋钮20的转动驱动锁片30做轴线移动；密码按键7的外周还设置有位于限位环槽71上方的上让位槽73和下让位槽74，上让位槽73与下让位槽74在密码按键7的圆周方向上错位设置，正确密码状态的密码按键7被按下时，其上让位槽73让位锁片30的轴线移动，错误密码状态的密码按键7没被按下时，其下让位槽74让位锁片30的轴线移动。本实施例中，上让位槽73与下让位槽74在密码按键7的周缘方向上间隔90°设置；让位缺口72与上让位槽73、下让位槽74其一共面。
上述联动组件包括套置在旋钮20上的顶片凸轮50、配合在顶片凸轮50周缘的顶片60，锁片30的端部抵在顶片60，旋钮20的转动带动顶片凸轮50转动，顶片凸轮50通过顶片60推动锁片30做轴线移动。
上述锁片30的内侧设置有与按键槽12对应的锁片缺口301，上锁状态下，锁片缺口301让位密码按键7的升降移动，密码按键7可被按下进行输入密码的操作。本实施例中，锁片缺口301包括并排设置的第一让位槽3011和第二让位槽3012。
本发明还包括扭簧70，扭簧70设置在安装腔13与旋钮20之间，用于驱动旋钮20复位。
参考图6和图7所示，本发明的开锁状态：本发明的工作原理是，未按下按钮10（即密码按键7）时，锁片30能通过错误密码的下让位槽74，被正确密码挡住，按下按钮10（即密码按键7）时，锁片30能通过正确密码的上让位槽73，被错误密码挡住，则当按下全部的正确密码时，正确密码的上让位槽73和错误密码的下让位槽74排成一条直线，允许锁片30通过，则此时旋钮20不再限位、可以转动实现开锁。
参考图8和图9所示，本发明的寻码状态：在插入与锁芯2匹配的钥匙8并转动后，锁芯2带动推杆凸轮4转动，因推杆3抵在推杆凸轮4的周缘，当推杆凸轮4转动135°后，寻码断面43让位推杆3的轴线移动，使得推杆3向锁芯2方向移动，进而使卡钩31对准让位缺口72，此时用户按下设置为不同状态的密码按键7时，会产生被卡钩31勾住、无法被卡钩31勾住两种结果，逐个按压按钮10就可以根据不同结果就可以找到正确密码。
通过上述方案，本发明通过在密码按键7的侧面设置让位缺口72，在推杆凸轮4转动至寻码状态时，推杆3移动以使卡钩31对准让位缺口72，则设置为不同状态的密码按键7被按下时会因为是否可以被卡钩31勾住而产生不同结果，则可以根据不同结果找到正确密码，整个寻码过程只需使用钥匙8转动锁芯2，并逐个按压密码按键7，操作简单、效率高，而且不需要拆卸按键密码锁，具有良好的用户体验。
上述实施例和图式并非限定本发明的产品形态和式样，任何所属技术领域的普通技术人员对其所做的适当变化或修饰，皆应视为不脱离本发明的专利范畴。
Claims (10)
- 一种应用于按键密码锁的寻码结构，其特征在于：包括锁座、锁芯、推杆、推杆凸轮和推杆弹簧，以及若干对按键弹簧和密码按键；所述锁座的顶面设置有滑槽和若干按键槽，所述按键槽对称设置在所述滑槽的两侧；所述锁芯装配在所述锁座上；所述推杆滑接配合在所述滑槽中，其两侧均设置有与所述按键槽对应的卡钩；所述按键弹簧、密码按键依次配合在所述按键槽中，所述密码按键的侧面设置有限位环槽，所述限位环槽的上壁设置有让位缺口，所述密码按键的安装角度不同对应正确密码或错误密码状态，所有密码按键统一设置为在其中一种状态下所述让位缺口所在侧面与所述卡钩相对；所述推杆凸轮装配在所述锁芯的底端；所述推杆弹簧设置在所述滑槽与所述推杆之间，用于提供弹力使所述推杆抵在所述推杆凸轮的周缘；上锁状态时，所述推杆静止，按下任一状态的密码按键，所述卡钩均可勾住所述限位环槽防止所述密码按键弹起；寻找密码时，将与所述锁芯匹配的钥匙插入并转动，所述锁芯带动所述推杆凸轮转动以驱动所述推杆做轴线移动，使得所述卡钩对准所述让位缺口，按下不同状态的密码按键时产生被所述卡钩勾住、无法被所述卡钩勾住两种结果，根据不同结果找到正确密码。
- 如权利要求1所述的一种应用于按键密码锁的寻码结构，其特征在于：所述推杆凸轮的周缘设置有依次连接的上锁断面、清码弧面和寻码断面；上锁状态时，所述推杆抵在所述上锁断面而静止；所述锁芯带动所述推杆凸轮转动的过程中，所述清码弧面推动所述推杆背离所述锁芯移动，以使所述卡钩脱离所述限位环槽实现密码清零复原，所述寻码断面让位所述推杆以允许所述推杆面向所述锁芯移动，使得所述卡钩对准所述让位缺口。
- 如权利要求2所述的一种应用于按键密码锁的寻码结构，其特征在于：所述上锁断面的两侧对称设置有衔接的清码弧面和寻码断面。
- 如权利要求2所述的一种应用于按键密码锁的寻码结构，其特征在于：所述寻码断面对应所述锁芯旋转135°的位置。
- 如权利要求1所述的一种应用于按键密码锁的寻码结构，其特征在于：还包括按钮弹簧和按钮，所述按钮弹簧、按钮依次连接在所述密码按键的顶端。
- 如权利要求1所述的一种应用于按键密码锁的寻码结构，其特征在于：还包括旋钮，所述锁座上设置有安装腔，所述滑槽在长度方向连通至所述安装腔，所述旋钮转动配合在所述安装腔中，所述锁芯装配在所述旋钮中。
- 如权利要求6所述的一种应用于按键密码锁的寻码结构，其特征在于：还包括两对锁片和锁片弹簧，以及设置在所述锁片与所述旋钮之间的联动组件；两个所述锁片分别滑接配合在所述滑槽的两侧并位于所述按键槽的外侧；所述联动组件随着所述旋钮的转动驱动所述锁片做轴线移动；所述密码按键的外周还设置有位于所述限位环槽上方的上让位槽和下让位槽，所述上让位槽与所述下让位槽在所述密码按键的圆周方向上错位设置，正确密码状态的密码按键被按下时，其上让位槽让位所述锁片的轴线移动，错误密码状态的密码按键没被按下时，其下让位槽让位所述锁片的轴线移动。
- 如权利要求7所述的一种应用于按键密码锁的寻码结构，其特征在于：所述上让位槽与所述下让位槽在所述密码按键的周缘方向上间隔90°设置；所述让位缺口与所述上让位槽、下让位槽其一共面。
- 如权利要求7所述的一种应用于按键密码锁的寻码结构，其特征在于：所述联动组件包括套置在所述旋钮上的顶片凸轮、配合在所述顶片凸轮周缘的顶片，所述锁片的端部抵在所述顶片，所述旋钮的转动带动所述顶片凸轮转动，所述顶片凸轮通过所述顶片推动所述锁片做轴线移动。
- 如权利要求6所述的一种应用于按键密码锁的寻码结构，其特征在于：还包括扭簧，所述扭簧设置在所述安装腔与所述旋钮之间，用于驱动所述旋钮复位。
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