WO2016155414A1 - 静音门锁 - Google Patents

静音门锁 Download PDF

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Publication number
WO2016155414A1
WO2016155414A1 PCT/CN2016/073132 CN2016073132W WO2016155414A1 WO 2016155414 A1 WO2016155414 A1 WO 2016155414A1 CN 2016073132 W CN2016073132 W CN 2016073132W WO 2016155414 A1 WO2016155414 A1 WO 2016155414A1
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WO
WIPO (PCT)
Prior art keywords
handle
sleeve
tongue
damping
damper
Prior art date
Application number
PCT/CN2016/073132
Other languages
English (en)
French (fr)
Inventor
汤继高
Original Assignee
广东名门锁业有限公司
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by 广东名门锁业有限公司 filed Critical 广东名门锁业有限公司
Priority to EP16771169.6A priority Critical patent/EP3279411A1/en
Priority to US15/561,756 priority patent/US20180080248A1/en
Publication of WO2016155414A1 publication Critical patent/WO2016155414A1/zh

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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
    • E05B17/0045—Silencing devices; Noise reduction
    • E—FIXED CONSTRUCTIONS
    • E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05B—LOCKS; ACCESSORIES THEREFOR; HANDCUFFS
    • E05B15/00—Other details of locks; Parts for engagement by bolts of fastening devices
    • E05B15/0013—Followers; Bearings therefor
    • E—FIXED CONSTRUCTIONS
    • E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05B—LOCKS; ACCESSORIES THEREFOR; HANDCUFFS
    • E05B15/00—Other details of locks; Parts for engagement by bolts of fastening devices
    • E05B15/10—Bolts of locks or night latches
    • E—FIXED CONSTRUCTIONS
    • E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05B—LOCKS; ACCESSORIES THEREFOR; HANDCUFFS
    • E05B17/00—Accessories in connection with locks
    • E05B17/0041—Damping means
    • E—FIXED CONSTRUCTIONS
    • E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05B—LOCKS; ACCESSORIES THEREFOR; HANDCUFFS
    • E05B3/00—Fastening knobs or handles to lock or latch parts
    • E—FIXED CONSTRUCTIONS
    • E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05B—LOCKS; ACCESSORIES THEREFOR; HANDCUFFS
    • E05B59/00—Locks with latches separate from the lock-bolts or with a plurality of latches or lock-bolts
    • E—FIXED CONSTRUCTIONS
    • E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05B—LOCKS; ACCESSORIES THEREFOR; HANDCUFFS
    • E05B9/00—Lock casings or latch-mechanism casings ; Fastening locks or fasteners or parts thereof to the wing
    • E—FIXED CONSTRUCTIONS
    • E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05C—BOLTS OR FASTENING DEVICES FOR WINGS, SPECIALLY FOR DOORS OR WINDOWS
    • E05C1/00—Fastening devices with bolts moving rectilinearly
    • E05C1/08—Fastening devices with bolts moving rectilinearly with latching action
    • E05C1/12—Fastening devices with bolts moving rectilinearly with latching action with operating handle or equivalent member moving otherwise than rigidly with the latch

Definitions

  • the present invention relates to a door lock body construction, and more particularly to a lock body construction employing a silent structure.
  • CN202417010U discloses a handle-panel mechanism, including a handle and a panel.
  • the handle is inserted through a mounting hole in the panel and is fitted with a square core.
  • a mosaic damper and a fixing plate are arranged behind the panel; the rotating portion of the mosaic damper has one hole and cooperates with the square core; the fixing plate has at least two screw holes, and is connected with the panel to insert the mosaic
  • the damper is fixed in the panel.
  • the handle scheme is easy to use and smooth to open, especially through the embedded damper, which can effectively control the reset of the handle, so that it can be slowly reset, which is not only safe and reliable, but also can reduce the vibration between parts and relieve zero.
  • the impact between the parts avoids the generation of noise.
  • the square core uses the square core to conduct the torque of the handle, the damper and the lock body.
  • the square core and the three parts of the joint will have a virtual position, which is easy to make noise.
  • the collision is not only the internal structure of the handle, but also the bolt that pops up in an instant, which is one of the main factors causing the collision sound.
  • CN103899145A discloses a damping at the rear end of the bolt.
  • CN104153647A discloses a solution for setting the O-ring on the bolt of the tongue to slow the entry and exit speed of the bolt.
  • the solution disclosed in CN103899145A needs to cooperate with a special damper rod, the structure is complicated, and the adaptability with the standard lock is not good; the scheme disclosed by CN104153647A is suitable.
  • the matching is good, but the elasticity of the O-ring is completely relied on to achieve the buffering. After the O-ring is aged or fatigued, the expansion and contraction of the locking tongue is greatly affected and even stuck, so the structural performance is unstable.
  • the object of the present invention is to improve the deficiencies of existing products, reduce the virtual position between the transmission components, enhance the reliability and adaptability of the tongue cushioning, and provide a silent door lock.
  • the technical solution adopted by the invention is to provide a panel, a liner assembly, a box bottom assembly, a handle peach, a buffer handle and a buffer lock tongue, and a handle mounting hole is arranged inside the panel, the handle is A limiting post is arranged above the mounting hole, and a muffler sleeve is arranged on the limiting post, and a damper fixing column is arranged on the side of the handle mounting hole; the lining plate assembly is provided with a locking tongue hole for the locking tongue to enter and exit;
  • the bottom of the box bottom assembly is provided A latching rod fixing bracket, a guiding groove is arranged on one side of the bolt pull rod fixing bracket, and a silencer fixing sleeve inserting groove is arranged on the other side; and a toggle piece is arranged at one end of the handle dialing
  • the buffer handle includes a handle, a scroll spring, a dial plate and a damper; the handle passes through the handle mounting hole on the panel and then inserts the scroll spring, the toggle plate and the damper in sequence, and uses A circlip is locked; in order to slow the friction between the toggle plate and the adjacent component, a spacer is arranged on each side of the handle; a core hole is arranged at the center of the rotation axis of the handle, and two sides are provided on the side The slot is inserted into the slot at one end, and the other end is fixed on the limit post.
  • a toggle hole is arranged in the center of the dial plate, and the toggle insert is protruded on both sides of the dial hole, and the center of the damper
  • a damping insert hole is arranged, and a damping insert is protruded on both sides of the damping insert hole, and the toggle insert and the damping insert hole are nested on the handle rotation shaft, and the toggle insert and the damping insert are embedded in the handle rotation shaft side.
  • the damper is fixed to the damper fixing column on the panel by a screw at each end of the damper, and the square core is inserted into the square core hole to transmit the torque of the handle to the handle opening door. lock.
  • the torque of the scroll spring is first overcome, and the opening feel is enhanced; after the hand is released, the elastic scroll torque of the scroll spring drives the handle to rapidly rotate.
  • the damper pair The elastic scroll torque generates a cushioning resistance, which slows down the slew rate of the handle, thereby reducing the sound generated by the striker colliding the limit post when the handle is returned.
  • the present invention is particularly sophisticated in design with respect to the prior art, and the damper and The scroll springs are embedded on the handle rotation shaft, and the damping force and the elastic scroll torque are simultaneously applied to the handle shaft in opposite directions, thereby eliminating the connection between the handle and the damper and the dial plate. , thereby further avoiding the generation of noise at the handle site.
  • the buffer lock tongue includes a lock tongue, a lock tongue return spring, a sound-damping fixing sleeve, a lock tongue guide piece and a lock tongue pull rod;
  • the sound-damping fixed sleeve is provided by a sound-absorbing fixed sleeve front cover, two O-rings,
  • a muffler fixed sleeve is formed on the back cover, and the fixed embedding sleeve is arranged on both sides of the front cover of the muffler fixing sleeve, and the muffler fixing sleeve is fixed in the box bottom assembly, and the muffler fixing sleeve is fixed in the box bottom assembly
  • the center of the cover is provided with a damping cavity, and the damping cavity is filled with a proper amount of damping grease.
  • the two O-rings block the damping grease in the damping cavity, and the muffler fixing sleeve is provided with a snap-fit on both sides of the back cover, and the muffler fixing sleeve is covered and silenced.
  • the front cover of the fixing sleeve is fastened.
  • the locking tongue is disposed at the rear end of the locking tongue, and the middle portion of the locking tongue is embedded in the locking rod fixing bracket, and the locking tongue return spring, the muffling fixing sleeve and the locking tongue guiding piece are all disposed on the bolt pulling rod.
  • the rotating handle dials the peach to drive the rotating piece to rotate, so that the locking tongue guiding piece moves backwards until the end surface of the locking tongue is flush with the lining assembly to achieve the purpose of unlocking; when the locking tongue end face is flush
  • the locking tongue translates forward under the force of the return spring, causing the locking tongue to return to a free state.
  • the damping grease enclosed in the sound-damping fixing sleeve can slow the movement speed of the bolt pull rod, thereby buffering the lock tongue in and out of the box bottom assembly, and slowing the impact of the bolt on the liner assembly.
  • the above-mentioned cushioning tongue further reduces the collision sound between the door lock parts, and the silencing fixing sleeve has a compact structure and strong adaptability, and the buffering function is mainly realized by the closed damping grease, and the performance is quite stable.
  • the present invention reliably achieves the mute effect by the above scheme.
  • Figure 1 is a perspective view of the assembled state of the present invention
  • FIG. 2 is a perspective view showing the assembled state of the buffer handle of the present invention
  • Figure 3 is a perspective view showing the state of decomposition of the buffer handle of the present invention.
  • Figure 4 is a perspective view of the cushioning tongue of the present invention in a free state after assembly
  • Figure 5 is a schematic view showing the structure of the cushioning tongue of the present invention.
  • Figure 6 is a schematic view showing the structure of the cushioning tongue silencer fixing sleeve of the present invention.
  • 3-box bottom assembly 31-lock tongue rod holder, 32-guide groove, 33-muffler fixing sleeve recess;
  • 53-pushing plate 531-pushing through hole, 5311-pushing inlay
  • 63-muffler fixed sleeve 631-muffling fixed sleeve front cover, 6311-fixed insert, 6312-damper cavity, 63120 - damping grease, 632-O ring, 633-muffler fixed sleeve back cover, 6331-fastening ⁇ ;
  • the invention can be implemented as follows:
  • the present invention is provided with a panel 1, a liner assembly 2, a bottom assembly 3, a handle peach 4, a buffer handle 5 and a cushioning tongue 6.
  • a handle mounting hole 11 is disposed on the inner side of the panel 1 , and a limit is arranged above the handle mounting hole 11 .
  • the column 12 is provided with a muffler sleeve 120 sleeved on the limiting column 12, and a damper fixing column 13 is arranged on the side of the handle mounting hole 11.
  • the buffer handle 5 includes a handle 51, a scroll spring 52, a dial plate 53 and a damper 54.
  • the handle 51 passes through the handle mounting hole 11 on the panel 1 and is sequentially inserted into the scroll spring 52.
  • the dial plate 53 and the damper 54 are fastened by a circlip 55; to reduce the friction between the dialing plate 53 and the adjacent components, a spacer 56 is provided on both sides thereof; the inside of the panel 1
  • a limit post 12 is arranged above the handle mounting hole 11, and a muffler sleeve 120 is sleeved on the limit post 12; a core hole 5111 is arranged at the center of the handle rotation shaft 511, and two recessed grooves 5112 are arranged on the side.
  • One end of the scroll spring 52 is inserted into the recessed groove 5112, and the other end is fixed on the limiting post 12, and a toggle inserting hole 531 is arranged in the center of the dialing plate 53, and the latching insert 5311 is protruded on both sides of the dialing recessed hole 531.
  • a damper insertion hole 541 is defined in the center of the damper 54.
  • the damper insertion hole 541 is convexly disposed on both sides of the damper insertion hole 541.
  • the plunging insertion hole 531 and the damper insertion hole 541 are nested on the handle rotation shaft 511, and the tamper is inserted.
  • the 5311 and the damping insert 5411 are both embedded in the recess 5112 on the side of the handle rotating shaft 511.
  • the damper 54 is screwed to the damper fixing rod 13 on the damper 54 and the panel 1 by a screw 58 at each end of the damper 54.
  • the square core 57 is inserted into the square core hole 5111 to conduct the torque of the handle 51 to the handle dialing peach 4 (refer to FIG. 1) to open the door lock.
  • the elastic scroll torque of the scroll spring 52 is first overcome, and the opening feeling is enhanced; after the handle 512 is released, the elastic scroll torque of the scroll spring 52 drives the handle 51 quickly.
  • the damper 54 performs a buffering work on the elastic scroll torque to slow down the swing rate of the handle 51.
  • the present invention is particularly advanced in design with respect to the prior art, and the damper 54 and the scroll spring 52 are embedded. Fixed on the handle rotation shaft 511, the damping force and the elastic scroll torque are simultaneously applied to the handle rotation shaft 511 in opposite directions, thereby eliminating the connection between the handle 51 and the damper 54 and the dial plate 53. Bit, thus further avoiding noise generation.
  • the lining plate assembly 2 is provided with a bolt hole 21 for the lock tongue 61 to enter and exit; a middle portion of the box bottom assembly 3 is provided with a bolt pull rod fixing frame 31, and the bolt pull rod fixing frame 31 One side is provided with a guiding groove 32, and the other side is provided with a muffing fixing sleeve inserting groove 33; one end of the handle dialing peach 4 is provided with a dialing piece 41.
  • the cushioning tongue 6 includes a locking tongue 61, a locking tongue return spring 62, a sound-damping fixing sleeve 63, a locking tongue guiding piece 64, and a locking tongue rod 65.
  • the bolt pull rod 65 is disposed at the rear end of the bolt 61.
  • the middle portion of the bolt pull rod 65 is embedded in the bolt pull rod fixing frame 31.
  • the bolt return spring 62, the muffler fixing sleeve 63 and the bolt guide piece 64 are all disposed on the bolt pull rod 65. on.
  • the muffler sleeve 63 is composed of a muffler sleeve front cover 631, a second O-ring 632, and a muffler sleeve back cover 633.
  • the muffler sleeve front cover 631 is provided with fixed embes 6311 on both sides.
  • the muffler fixing sleeve 63 is fixed in the box bottom assembly 3 by being embedded in the sound-insulating fixing sleeve groove 33 (see FIG. 5), and the damping chamber 6312 is disposed at the center of the sound-absorbing fixing sleeve front cover 631.
  • a damping grease 63120 is injected into the cavity 6312, and two O-rings 632 block the damping grease 63120 in the damping cavity 6312.
  • the muffing fixing sleeve rear cover 633 is provided with a fastening ⁇ 6331 on both sides thereof, and the muffler fixing cover back cover 633 is fixed and silenced.
  • the front cover 631 is fastened.
  • the buffer handle 5 can be rotated to rotate the handle to dial the peach 4, and the toggle piece 41 is rotated to drive the lock guide piece 64 to move backwards until the lock is reached.
  • the end surface of the tongue 61 is flush with the lining assembly 2 for unlocking purposes; when the end surface of the locking tongue 61 is flush with the lining assembly 2, the buffer handle is released, and the locking tongue 61 is reset at the locking tongue
  • the force of the spring 62 translates forward, causing the bolt 61 to return to a free state.
  • the damping grease 63120 enclosed in the sound-damping fixing sleeve 63 can slow the movement speed of the bolt pulling rod 65, thereby buffering the locking tongue 61 in and out of the box bottom assembly 3. The impact of the tongue 61 against the liner assembly 2 is mitigated.
  • the cushioning tongue 6 of the present invention further reduces the collision sound between the door lock parts by the above technical solution, and the silencing fixing sleeve 63 has a compact structure and strong adaptability, and the buffering function is mainly realized by the closed damping grease 63120. Quite stable.
  • the present invention reliably achieves the mute effect by the above scheme.
  • the mute door lock provided by the invention has the advantages of compact structure, strong adaptability and stable cushioning performance, can reduce the virtual position between the transmission parts, and effectively reduce the collision sound between the door lock parts, thereby reliably achieving the mute effect, and is suitable for Door locks for various industrial applications and home applications.

Abstract

一种静音门锁，包括一面板(1)、一衬板组件(2)、一盒底组件(3)、一执手拨桃(4)、一缓冲执手(5)和一缓冲锁舌(6)；缓冲执手(5)包括一执手(51)、一涡卷弹簧(52)、一拨动板(53)和一阻尼器(54)；执手(51)穿过面板(1)上的执手安装孔(11)后依次嵌入涡卷弹簧(52)、拨动板(53)和阻尼器(54)；缓冲锁舌(6)包括一锁舌(61)、一锁舌复位弹簧(62)、一消音固定套(63)、一锁舌导向片(64)、一锁舌拉杆(65)；消音固定套(63)由一消音固定套前盖(631)、两个O型圈(632)、一消音固定套后盖(633)组成，消音固定套前盖(631)中央设有阻尼腔(6312)，阻尼腔(6312)内注入适量阻尼脂(63120)，两个O型圈(632)将阻尼脂(63120)封堵于阻尼腔(6312)内。

Description

静音门锁 技术领域
本发明涉及门锁锁体构造，尤其是采用了静音结构的锁体构造。
背景技术
目前普遍使用的门锁都是金属制成的，在门锁关闭和开启时，都会产生金属部件之间的碰撞产生的噪音，尤其执手部分和锁舌部分是较易产生的碰撞噪音构造，为了减少此类噪音，发明人先后探索出了众多解决方案，CN202417010U公开了一种执手-面板机构，包括执手和面板，执手穿过面板上的安装孔后与一个方芯相套合，面板后设有一镶嵌式阻尼器和一固定板；所述镶嵌式阻尼器的转动部具有一方孔，与方芯相配合；固定板具有至少两个螺孔，与面板相连接从而把镶嵌式阻尼器固定在面板内。该执手方案使用方便、开启顺畅，特别是通过镶嵌式阻尼器，能有效对执手复位进行控制，使其缓慢复位，不仅安全可靠，而且还能降低各零部件之间的振动、缓解零部件之间的撞击，避免了噪音的产生。但该方案使用方芯将执手、阻尼器、锁体三个部分的转矩进行传导，方芯与三部分嵌接处都会有虚位产生，容易发出噪音。此外，产生碰撞的不仅仅是执手内部构造，瞬间弹出的锁舌，也是导致撞声音较大的主要因素之一，为了减少此类撞击声音，CN103899145A公开了一种在锁舌后端设置阻尼器的方式来减缓锁舌弹出的速度的方案；CN104153647A公开了一种在锁舌拉杆上设置O型圈的方式来减缓锁舌的进出速度的方案。虽然前两项发明都在一定程度上达到减缓锁舌进出盒底组件的速度，但CN103899145A公开的方案需配合专用阻尼杆，结构复杂，与标准锁具的适配性不佳；CN104153647A公开的方案适配性较好，但完全依靠O型圈的弹性来实现缓冲，O型圈老化或疲乏之后，锁舌的伸缩会受较大影响，甚至会卡死，因此该结构性能不稳定。
通过对现有技术的以上分析，目前的静音门锁在执手和锁舌两部分构造都存在不足，不能可靠地实现静音效果。
发明内容
本发明的目的是改进现有产品的不足，减少传动部件之间的虚位、增强锁舌缓冲的可靠性和适配性，提供一种静音门锁。本发明采用的技术方案是设有一面板、一衬板组件、一盒底组件、一执手拨桃、一缓冲执手和一缓冲锁舌，所述面板内侧设一执手安装孔，执手安装孔上方设一限位柱，设一消音套套于限位柱上，执手安装孔侧边设有阻尼器固定柱；所述衬板组件上设有锁舌孔供锁舌出入；所述盒底组件中部设有 一锁舌拉杆固定架，锁舌拉杆固定架一侧设一导向槽，另一侧设有消音固定套嵌槽；所述执手拨桃一端设有拨动片。
所述缓冲执手包括一执手、一涡卷弹簧、一拨动板和一阻尼器；执手穿过面板上的执手安装孔后依次嵌入涡卷弹簧、拨动板和阻尼器，并用一弹性挡圈卡固；为减缓拨动板转动时与相邻部件之间的摩擦，在其两侧各设一垫片；执手转动轴中心处设一方芯孔，其侧边设两条嵌槽，涡卷弹簧一端卡入嵌槽内，另一端卡固于限位柱上，拨动板中央设一拨动嵌孔，拨动嵌孔两侧凸设拨动嵌榫，阻尼器中央设一阻尼嵌孔，阻尼嵌孔两侧凸设阻尼嵌榫，拨动嵌孔和阻尼嵌孔都嵌套于执手转动轴上，拨动嵌榫和阻尼嵌榫都嵌入执手转动轴侧边的嵌槽内，阻尼器两端各采用一螺钉将阻尼器与面板上的阻尼器固定柱固定，方芯插入方芯孔内将执手的转矩传导到所述执手拨桃开启门锁。开启过程中，按压手柄开锁时要首先克服涡卷弹簧的转矩，增强了开启手感；在手松开后，涡卷弹簧的弹性涡卷转矩驱动执手迅速回转，此时，阻尼器对弹性涡卷转矩产生缓冲阻力，减缓执手回转速率，进而降低执手回复时拨动片碰撞限位柱产生的声音，本发明相对于现有技术，尤其精进的设计是，将阻尼器和涡卷弹簧都嵌固于执手转动轴上，阻尼力和弹性涡卷转矩以相反的方向同时施加到执手轴上，可消除执手与阻尼器和拨动板之间的连接虚位，从而更进一步地避免执手部位噪音的产生。
所述缓冲锁舌包括一锁舌、一锁舌复位弹簧、一消音固定套、一锁舌导向片、一锁舌拉杆；所述消音固定套由一消音固定套前盖、二O型圈、一消音固定套后盖组成，消音固定套前盖两侧设有固定嵌榫嵌入设于盒底组件内的消音固定套嵌槽内可将消音固定套固定于盒底组件内，消音固定套前盖中央设有阻尼腔，阻尼腔内注入适量阻尼脂，二个O型圈将阻尼脂封堵于阻尼腔内，消音固定套后盖两侧设有扣合榫将消音固定套后盖与消音固定套前盖扣合。锁舌拉杆设于锁舌后端，锁舌拉杆中部嵌入锁舌拉杆固定架内，锁舌复位弹簧、消音固定套、锁舌导向片都穿设于锁舌拉杆上。自由状态下，转动执手拨桃带动拨动片旋转，使其带动锁舌导向片向后平移运动，直至锁舌端面与衬板组件平齐，达到解锁的目的；当锁舌端面平齐衬板组件时，锁舌在复位弹簧的作用力下向前平移，使锁舌回复自由状态。在锁舌拉杆运动过程中，封堵在消音固定套内的阻尼脂可减缓锁舌拉杆运动速度，从而对锁舌进出盒底组件起到缓冲作用，减缓锁舌对衬板组件的撞击。上述缓冲锁舌进一步降低了门锁零件之间碰撞声音，而且，消音固定套结构精巧、适配性强，又因为缓冲功能主要由封闭的阻尼脂来实现，性能相当稳定。
本发明通过上述方案可靠地实现了静音效果。
附图说明
图1是本发明组装状态的立体示意图；
图2是本发明缓冲执手组装状态的立体示意图；
图3是本发明缓冲执手分解状态的立体示意图；
图4是本发明缓冲锁舌装配后自由状态下的立体视图；
图5是本发明缓冲锁舌分解状态结构示意图；
图6是本发明缓冲锁舌消音固定套结构示意图。
图中标号所示为：
1-面板，11-执手安装孔，12-限位柱，120-消音套，13-阻尼器固定柱；
2-衬板组件、21-锁舌孔；
3-盒底组件、31-锁舌拉杆固定架，32-导向槽，33-消音固定套嵌槽；
4-执手拨桃，41-拨动片；
5-缓冲执手：
51-执手，511-执手转动轴，5111-方芯孔，5112-嵌槽，512-手柄；
52-涡卷弹簧；
53-拨动板，531-拨动嵌孔，5311-拨动嵌榫；
54-阻尼器，541-阻尼嵌孔，5411-阻尼嵌榫；
55-弹性挡圈；
56-垫片；
57-方芯；
58-螺钉；
6-缓冲锁舌：
61-锁舌；
62-锁舌复位弹簧；
63-消音固定套、631-消音固定套前盖、6311-固定嵌榫、6312-阻尼腔、63120-阻尼脂，632-O型圈，633-消音固定套后盖、6331-扣合榫；
64-锁舌导向片；
65-锁舌拉杆。
具体实施方式
本发明可通过如下方式实施：
如图1所示，本发明设有一面板1、一衬板组件2、一盒底组件3、一执手拨桃4、一缓冲执手5和一缓冲锁舌6。
如图2、图3所示，所述面板1内侧设一执手安装孔11，执手安装孔11上方设一限位 柱12，设一消音套120套于限位柱12上，执手安装孔11侧边设有阻尼器固定柱13。所述缓冲执手5包括一执手51、一涡卷弹簧52、一拨动板53和一阻尼器54；执手51穿过面板1上的执手安装孔11后依次嵌入涡卷弹簧52、拨动板53和阻尼器54，并用一弹性挡圈55卡固；为减缓拨动板53转动时与相邻部件之间的摩擦，在其两侧各设一垫片56；面板1内侧的执手安装孔11上方设一限位柱12，设一消音套120套于限位柱12上；执手转动轴511中心处设一方芯孔5111，其侧边设两条嵌槽5112，涡卷弹簧52一端卡入嵌槽5112内，另一端卡固于限位柱12上，拨动板53中央设一拨动嵌孔531，拨动嵌孔531两侧凸设拨动嵌榫5311，阻尼器54中央设一阻尼嵌孔541，阻尼嵌孔541两侧凸设阻尼嵌榫5411，拨动嵌孔531和阻尼嵌孔541都嵌套于执手转动轴511上，拨动嵌榫5311和阻尼嵌榫5411都嵌入执手转动轴511侧边的嵌槽5112内，阻尼器54两端各采用一螺钉58将阻尼器54与面板1上的阻尼器固定柱13螺固；方芯57插入方芯孔5111内将执手51的转矩传导到所述执手拨桃4(参考图1)开启门锁。开启过程中，按压手柄512开锁时要首先克服涡卷弹簧52的弹性涡卷转矩，增强了开启手感；在放开手柄512后，涡卷弹簧52的弹性涡卷转矩驱动执手51迅速回转，此时，阻尼器54对弹性涡卷转矩产生缓冲做功，减缓执手51回转速率，本发明相对于现有技术，尤其精进的设计是，将阻尼器54和涡卷弹簧52都嵌固于执手转动轴511上，阻尼力和弹性涡卷转矩以相反的方向同时施加到执手转动轴511上，可消除执手51与阻尼器54和拨动板53之间的连接虚位，从而更进一步地避免噪音产生。
如图4、图5所示，所述衬板组件2上设有锁舌孔21供锁舌61出入；所述盒底组件3中部设有一锁舌拉杆固定架31，锁舌拉杆固定架31一侧设一导向槽32，另一侧设有消音固定套嵌槽33；所述执手拨桃4一端设有拨动片41。所述缓冲锁舌6包括一锁舌61、一锁舌复位弹簧62、一消音固定套63、一锁舌导向片64、一锁舌拉杆65。锁舌拉杆65设于锁舌61后端，锁舌拉杆65中部嵌入锁舌拉杆固定架31内，锁舌复位弹簧62、消音固定套63、锁舌导向片64都穿设于锁舌拉杆65上。
如图6所示，所述消音固定套63由一消音固定套前盖631、二O型圈632、一消音固定套后盖633组成，消音固定套前盖631两侧设有固定嵌榫6311嵌入设于盒底组件3内的消音固定套嵌槽33内(请参见图5)可将消音固定套63固定于盒底组件3内，消音固定套前盖631中央设有阻尼腔6312，阻尼腔6312内注入阻尼脂63120，二个O型圈632将阻尼脂63120封堵于阻尼腔6312内，消音固定套后盖633两侧设有扣合榫6331将消音固定套后盖633与消音固定套前盖631扣合。
自由状态下(请参图1、图4)，转动缓冲执手5即可转动执手拨桃4，并带动拨动片41旋转，使其带动锁舌导向片64向后平移运动，直至锁舌61端面与衬板组件2平齐，达到解锁的目的；当锁舌61端面平齐衬板组件2时，松开缓冲执手，锁舌61在锁舌复位弹 簧62的作用力下向前平移，使锁舌61回复自由状态。
请参图6，在锁舌拉杆65运动过程中，封堵在消音固定套63内的阻尼脂63120可减缓锁舌拉杆65运动速度，从而对锁舌61进出盒底组件3起到缓冲作用，减缓锁舌61对衬板组件2的撞击。
本发明缓冲锁舌6通过上述技术方案进一步降低了门锁零件之间碰撞声音，而且，消音固定套63结构精巧、适配性强，又因为缓冲功能主要由封闭的阻尼脂63120来实现，性能相当稳定。
综上，本发明通过上述方案可靠地实现了静音效果。
工业应用性
本发明提供的静音门锁结构精巧、适配性强、缓冲性能稳定，能够减少传动部件之间的虚位，有效降低门锁零件之间的碰撞声音，从而可靠地实现了静音效果，适用于各种工业领域及家居应用的门锁。

Claims (6)

  1. 一种静音门锁，设有一面板、一衬板组件、一盒底组件、一执手拨桃、一缓冲执手和一缓冲锁舌，其特征是：所述面板内侧设一执手安装孔，执手安装孔上方设一限位柱，设一消音套套于限位柱上，执手安装孔侧边设有阻尼器固定柱；所述盒底组件中部设有一锁舌拉杆固定架，锁舌拉杆固定架一侧设一导向槽，另一侧设有消音固定套嵌槽；所述缓冲执手包括一执手、一涡卷弹簧、一拨动板和一阻尼器；执手穿过面板上的安装孔后依次嵌入涡卷弹簧、拨动板和阻尼器，并用一弹性挡圈卡固；所述执手转动轴中心处设一方芯孔，其侧边设两条嵌槽，所述涡卷弹簧一端卡入嵌槽内，另一端卡固于限位柱上，所述拨动板中央设一拨动嵌孔，拨动嵌孔两侧凸设拨动嵌榫，所述阻尼器中央设一阻尼嵌孔，阻尼嵌孔两侧凸设阻尼嵌榫，拨动嵌孔和阻尼嵌孔都嵌套于执手转动轴上，拨动嵌榫和阻尼嵌榫都嵌入执手转动轴侧边的嵌槽内。
  2. 如权利要求1所述的一种静音门锁，其特征是：所述阻尼器两端各采用一螺钉将阻尼器与所述面板上的阻尼器固定柱固定。
  3. 如权利要求1所述的一种静音门锁，其特征是：所述方芯孔内插入方芯将所述执手的转矩传导到所述执手拨桃开启门锁。
  4. 如权利要求1所述的一种静音门锁，其特征是：所述拨动板两侧各设一垫片。
  5. 如权利要求1所述的一种静音门锁，其特征是：所述盒底组件中部设有一锁舌拉杆固定架，锁舌拉杆固定架一侧设一导向槽，另一侧设有消音固定套嵌槽；所述缓冲锁舌包括一锁舌、一锁舌复位弹簧、一消音固定套、一锁舌导向片、一锁舌拉杆；所述锁舌拉杆设于所述锁舌后端，锁舌拉杆中部嵌入所述锁舌拉杆固定架内，锁舌复位弹簧、锁舌导向片都穿设于锁舌拉杆上；所述锁舌拉杆上穿设所述消音固定套；所述执手拨桃一端设有拨动片，所述拨动片旋转可带动所述锁舌导向片向后平移运动。
  6. 如权利要求5所述的一种静音门锁，其特征是：所述消音固定套由一消音固定套前盖、二O型圈、一消音固定套后盖组成，所述消音固定套前盖两侧设有固定嵌榫嵌入设于盒底组件内的消音固定套嵌槽内可将消音固定套固定于盒底组件内，所述消音固定套前盖中央设有阻尼腔，阻尼腔内注入适量阻尼脂，用所述O型圈将阻尼脂封堵于阻尼腔内，所述消音固定套后盖两侧设有扣合榫将消音固定套后盖与消音固定套前盖扣合。
PCT/CN2016/073132 2015-03-31 2016-02-02 静音门锁 WO2016155414A1 (zh)

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