CN205617929U

CN205617929U - Mute lock

Info

Publication number: CN205617929U
Application number: CN201620192907.7U
Authority: CN
Inventors: 刘子涛
Original assignee: Individual
Current assignee: Individual
Priority date: 2016-03-14
Filing date: 2016-03-14
Publication date: 2016-10-05
Anticipated expiration: 2026-03-14

Abstract

The utility model discloses a mute lock, mute lock's spring bolt formula magnetism spring bolt as an organic whole, the structure is succinct, simple to operate. The spring bolt is realized flexiblely through the rotation mode, the structure is more stable. The spring bolt head with detain the magnetic path of installing the inter attraction in the box, when closing the door, under the mutual attraction acting of magnetic path, the spring bolt head stretches out to detain the box in, the light realization is locked a door, need not to close the door hard, has reduced the sound of closing the door simultaneously. When opening the door, rotating through the thumb wheel structure and driving the plectrum rotation, the plectrum promotes spring bolt pole portion, makes the spring bolt rotate, and the spring bolt easily opens the door in having the withdrawal lock body. Still be provided with and lock the mechanism, can fix a position the spring bolt head in the knot box through locking the mechanism after locking a door to make the people open the door outdoors, improve the insurable nature of tool to lock, it is safer. Locking the mechanism when not locking, can lead to and lock the thumb wheel and stir the push pedal, making the spring bolt head retract to the casing in to keeping retracted state, thereby closing at the door, the door also can not be locked and brought inconvenience for the user.

Description

A kind of mute lock body

Technical field

This utility model relates to a kind of lockset, particularly to the mute lock body of a kind of carrying magnetic dead bolt.

Background technology

Lock body is the part in lockset, and the dead bolt in tradition lock body has the inclined-plane of 45 degree, and is exposed outside on inclined-plane by the effect of spring.Lay the key under the door, sliding door need to be pushed hard, make door have certain speed and the impulsive force could be by dead bolt fight back lock body.So door leaf and doorframe just has bigger percussion, not only produces bigger noise, also door leaf and doorframe is had certain damage.And, to stretch out at the dead bolt outside lock body unsightly, the phenomenon of hanging breaking clothes also happens occasionally.Therefore, people have createed magnetic dead bolt, and by installing magnetic piece in button box, in the case of opening the door, dead bolt is hidden in lock body, and time visiting in pass, the magnetic piece in button box, by dead bolt sucking-off, makes dead bolt insert in button box, it is achieved to lock a door, it is not necessary to firmly close the door.In prior art, the structure of the lock body of carrying magnetic dead bolt is complicated, installs loaded down with trivial details.

Utility model content

Main purpose of the present utility model is to provide the high-quality mute lock body that a kind of rational in infrastructure, easy for installation, dead bolt stretches stable.

The utility model proposes a kind of mute lock body, including the housing being made up of lower casing and upper cover, it is arranged on the dead bolt in described housing, plectrum, for driving the thumb wheel structure that described plectrum rotates and the button box being arranged in doorframe, described dead bolt is integral type magnetic dead bolt, including lock tongue and the bar portion favouring described lock tongue side, and in described button box, the magnetic piece attracted each other is installed in described lock tongue, described bar portion is provided with the first rotation hole, the first connection post corresponding with described first rotation hole position it is fixed with in described housing, described first connects post is placed in described first rotation hole, described dead bolt connects post as axis rotation with described first；Described plectrum include for stirred by described thumb wheel structure be struck position and for stir described dead bolt bar portion with drive described lock tongue retract transmission portion, described transmission portion and the described position that is struck are that angle is arranged, it is provided with the second rotation hole at the position, angle summit of described plectrum, in described second rotation hole, insert the second connection post being fixed in described housing, make described plectrum connect post as axis rotation with described second；Described thumb wheel structure rotates and drives described plectrum to rotate, and described plectrum rotates and drives described dead bolt to rotate, in making described lock tongue retraction housing.

Preferably, described lock tongue is square setting, is provided with liner plate in described housing side, is provided with the through hole adaptive with described lock tongue on described liner plate.

Preferably, described thumb wheel structure includes the handle square hole for being connected with handle and for stirring the peach-poking plate of described plectrum, the first disc spring it is also equipped with in described housing, described first disc spring is positioned at the side of described thumb wheel structure, and described peach-poking plate includes stirring position and the spring gear in the compression end acting on described first disc spring for stir described plectrum.

Preferably, described peach-poking plate also includes spacing gear, is additionally provided with the limited post for stopping described spacing gear being positioned at outside described thumb wheel structure in described housing.

Preferably, being provided with the first block for limiting described plectrum slewing area in described housing, the position that is struck of described plectrum is provided with the second block for contacting with described first block.

Preferably, also include locking mechanism, described locking mechanism includes wiper, prerotation vane, coupler knuckle plate and locks thumb wheel, described wiper and described coupler knuckle plate slide towards lock body longitudinal direction, described wiper offers at least one first slide-and-guide hole arranged towards lock body longitudinal direction, first lead corresponding with described first slide-and-guide hole site it is provided with in described housing, described first lead is placed in the most described first slide-and-guide hole, guides and limit the slip of described wiper；Vertically be provided with the block board of band hole clipping in described wiper side, opposite side is provided with the arc-shaped side of evagination；Being provided with the second disc spring for promoting described slider disc to reset in described housing, the compression end of described second disc spring withstands on described block board；

Described prerotation vane lies on described wiper, described prerotation vane slides towards lock body horizontal direction, described prerotation vane is provided with the second slide-and-guide hole arranged towards lock body horizontal direction, described second slide-and-guide hole intersects with the first slide-and-guide hole described in, and the most described first lead is also placed in described second slide-and-guide hole；Two dops adaptive with described hole clipping it are provided with in the side towards described block board of described prerotation vane, the sliding distance that spacing distance is described prerotation vane between dop described in two, it is provided with allocating slot in the side towards described arc-shaped side of described prerotation vane, the described shifting block locking thumb wheel is placed in described allocating slot and the side of described arc-shaped side, described lock thumb wheel rotate time, described shifting block turns to the summit of described arc-shaped side from the side of described arc-shaped side, described wiper is released, described dop in hole clipping departs from described hole clipping, the most described shifting block is placed on the side of described allocating slot；When described shifting block turns to the opposite side of described arc-shaped side, described prerotation vane is released or pushes back by described shifting block, and the most described second disc spring is by described wiper pushed home, and another described dop inserts in described hole clipping；

Described coupler knuckle plate includes the hook portion adaptive with described dead bolt bar portion, and described hook portion is positioned at the outside in described dead bolt bar portion, and when described lock tongue stretches out, described hook portion is relative with the outer end in described dead bolt bar portion；Described coupler knuckle plate is provided with at least one the 3rd slide-and-guide hole arranged towards lock body longitudinal direction, threeth lead corresponding with described 3rd slide-and-guide hole site it is provided with in described housing, described 3rd lead is placed in the most described 3rd slide-and-guide hole, guides and limit the slip of described coupler knuckle plate；The linkage hole being obliquely installed it is provided with in the end of the most described prerotation vane of described coupler knuckle plate, it is vertically fixed at least one the 4th lead at described prerotation vane, during wherein described in one, the 4th lead inserts described linkage hole, when described dead bolt stretches out, locking thumb wheel described in rotating, described prerotation vane is pushed out, and described prerotation vane drives described coupler knuckle plate to slide to direction, dead bolt bar portion, the hook portion of described coupler knuckle plate is enclosed within described dead bolt bar portion, it is achieved lock.

Preferably, being vertically fixed the second lead on described prerotation vane, cover and be provided with towards the setting of lock body horizontal direction the fiveth slide-and-guide hole corresponding with described second lead on described, described second lead inserts in described 5th slide-and-guide hole.

Preferably, being provided with and arrange towards lock body horizontal direction and the sixth slide-and-guide hole corresponding with described 4th lead on described lower casing, described 4th lead inserts in the most described 6th slide-and-guide hole.

Preferably, also include the push pedal slided towards lock body longitudinal direction being positioned at below described prerotation vane, the 4th slide-and-guide hole of lock body longitudinal direction it is provided with in described push pedal, described 4th lead is corresponding with described 4th slide-and-guide hole site, and described 4th lead inserts in the described 4th slide-and-guide hole of described correspondence；Described push pedal is provided with the back-moving spring towards lock body longitudinal direction, described push pedal is provided with spring locating piece, described prerotation vane is provided with the spring positioning convex relative with described spring locating piece position, one end of described back-moving spring is fixed on described spring locating piece, and the other end is enclosed within described spring positioning convex；The side of thumb wheel is locked described in being positioned in one end of described push pedal, the other end is positioned at the rear side at the position that is struck of described plectrum, described thumb wheel of locking can stir described push pedal, described push pedal is made to promote to the part direction that is struck of described plectrum, to promote described plectrum, make described lock tongue be retracted in housing, and keep retracted mode.

Preferably, hook portion at described coupler knuckle plate vertically runs through the 5th lead, being provided with the 7th slide-and-guide hole that is corresponding with described 5th lead and that arrange towards lock body longitudinal direction on described upper cover with described lower casing, described 5th lead inserts in described 7th slide-and-guide hole.

Having the beneficial effect that of mute lock body of the present utility model

The dead bolt of mute lock body of the present utility model is integral type magnetic dead bolt, simple for structure, easy for installation.Dead bolt realizes flexible by rotating manner, and structure is more stable.Being provided with the magnetic piece attracted each other in lock tongue and button box, under door opening state, dead bolt is hidden in housing, good looking appearance and safety；At closing time, dead bolt is relative with button box, and under the adelphotaxy of magnetic piece, lock tongue extend out in button box, easily realizes locking a door, it is not necessary to firmly close the door, reduce the sound closed the door simultaneously.During enabling, being rotated by thumb wheel structure and drive plectrum to rotate, plectrum promotes dead bolt bar portion, makes dead bolt rotate, in dead bolt retraction lock body, easily opens the door.

It is additionally provided with locking mechanism in this mute lock body, by locking mechanism, lock tongue can be positioned in button box after locking a door, so that people cannot open the door outdoors, improve the safety of lockset, safer.

Accompanying drawing explanation

Fig. 1 is the mute lock body of the present utility model structural representation when being in dead bolt retracted mode；

Fig. 2 is the structural representation that mute lock body of the present utility model is in when dead bolt stretches out state；

Fig. 3 is the axonometric chart of mute lock body of the present utility model；

Fig. 4 is the STRUCTURE DECOMPOSITION schematic diagram of the housing of mute lock body of the present utility model；

Fig. 5 is the structural representation of the dead bolt of mute lock body of the present utility model；

Fig. 6 is the front view of the plectrum of mute lock body of the present utility model；

Fig. 7 is the front view of the wiper of mute lock body of the present utility model；

Fig. 8 is the front view of the prerotation vane of mute lock body of the present utility model；

Fig. 9 is the front view of the push pedal of mute lock body of the present utility model；

Figure 10 is the front view of the coupler knuckle plate of mute lock body of the present utility model.

The realization of this utility model purpose, functional characteristics and advantage will in conjunction with the embodiments, are described further referring to the drawings.

Detailed description of the invention

Should be appreciated that specific embodiment described herein, only in order to explain this utility model, is not used to limit this utility model.

Referring to figs. 1 through Figure 10, an embodiment of mute lock body of the present utility model proposed:

Dead bolt 2020 (lock tongue 2121, bar portion the 2222, first rotation hole 2323, first connect post 2424)

Thumb wheel structure 3030, stir position 3131, spring gear 3232, spacing gear 3333), the first disc spring 3434, limited post 3535

Plectrum 4040 (position 4141 that is struck, transmission portion the 4242, second rotation hole the 4343, second block 4444)

Locking mechanism:

Wiper 5050 (first slide-and-guide hole the 5151, first lead 5252, block board 5353, arc-shaped side 5454)

Prerotation vane 6060 (the second slide-and-guide hole 6161, dop 6363, allocating slot 6464, spring positioning convex the 6565, second lead the 6262, the 4th lead 6666)

Coupler knuckle plate 7070 (linkage slide-and-guide hole the 7171, the 3rd, hole the 7474, the 3rd lead the 7272, the 5th lead 7575, hook portion 7373)

Push pedal 8080 (the 4th slide-and-guide hole 8181, spring locating piece 8282, back-moving spring 8383)

Second disc spring 5555, lock thumb wheel 9090

Lower casing 1010 (the 5th slide-and-guide hole, slide-and-guide hole the 1313, the 7th 1515, first block 1212)

Upper cover 1111 (the 6th slide-and-guide hole 1515, slide-and-guide hole the 1414, the 7th)

A kind of mute lock body, including the housing being made up of lower casing 10 and upper cover 11, the dead bolt 20 being arranged in housing, plectrum 40, for driving the thumb wheel structure 30 that plectrum 40 rotates and the button box being arranged in doorframe, in housing side, liner plate is installed, in button box front end, knocker plate is installed, liner plate is provided with the hole for being connected with door side, is provided with the hole being connected with doorframe on knocker plate.

Dead bolt 20 is integral type magnetic dead bolt 20, including lock tongue 21 and the bar portion 22 favouring lock tongue 21 side, simple for structure, convenient installation.Lock tongue 21 is square setting, is provided with and the through hole of lock tongue 21 adaptation on liner plate.And in button box, the magnetic piece attracted each other is installed in lock tongue 21.Being provided with the first rotation hole 23 in bar portion 22, be fixed with the first connection post 24 corresponding with the first rotation hole 23 position, be placed in the first rotation hole 23 by the first connection post 24, complete the installation of dead bolt 20 in housing, dead bolt 20 is easy for installation.Dead bolt 20 connects post 24 as axis rotation with first, it is achieved stretching of lock tongue 21.

Plectrum 40 includes the position 41 and for stirring dead bolt 20 bar portion 22 to drive the transmission portion 42 retracted of lock tongue 21 of being struck for being stirred by thumb wheel structure 30, transmission portion 42 and the position 41 that is struck are arranged in angle, are provided with the second rotation hole 43 at the position, angle summit of plectrum 40.In the second rotation hole 43, insert the second connection post being fixed in housing, make plectrum 40 connect post as axis rotation with second.

Thumb wheel structure 30 includes the handle square hole for being connected with handle and for stirring the peach-poking plate of plectrum 40.Being also equipped with the first disc spring 34 in housing, the first disc spring 34 is positioned at the side of thumb wheel structure 30.Peach-poking plate includes stirring position 31 and the spring gear 32 in the compression end acting on the first disc spring 34 for stir plectrum 40.Peach-poking plate also includes spacing gear 33, is additionally provided with the limited post 35 for stopping spacing gear 33 being positioned at outside thumb wheel structure 30 in housing.When thumb wheel structure 30 is by handle rotating, the position 31 of stirring of peach-poking plate acts on being struck on position 41 of plectrum 40, promoting plectrum 40 to rotate, the spring gear 32 of peach-poking plate acts on the compression end of the first disc spring 34 simultaneously, makes the first disc spring 34 produce elastic restoring force；When plectrum 40 rotates, the transmission portion 42 of plectrum 40 acts on dead bolt 20 bar portion 22, makes dead bolt 20 rotate, so that lock tongue 21 is retracted in housing.When unclamping handle, thumb wheel structure 30 realizes resetting under the effect of the elastic restoring force of the first disc spring 34.

Being provided with the first block 12 for limiting plectrum 40 slewing area in housing, the position 41 that is struck of plectrum 40 is provided with the second block 44 for contacting with the first block 12.Plectrum 40 turn to the first block 12 contact with the second block 44 time, plectrum 40 can not be further continued for rotate.

Under door opening state, dead bolt 20 is hidden in housing, good looking appearance and safety；At closing time, dead bolt 20 is relative with button box, and under the adelphotaxy of magnetic piece, lock tongue 21 extend out in button box, easily realizes locking a door, it is not necessary to firmly close the door, reduce the sound closed the door simultaneously.During enabling, being rotated by thumb wheel structure 30 and drive plectrum 40 to rotate, plectrum 40 promotes dead bolt 20 bar portion 22, makes dead bolt 20 rotate, and dead bolt 20 is retracted in lock body, easily opens the door.

Being additionally provided with locking mechanism in mute lock body, locking mechanism includes wiper 50, prerotation vane 60, coupler knuckle plate 70, push pedal 80 and locks thumb wheel 90.Wiper 50 and coupler knuckle plate 70 slide towards lock body longitudinal direction, and prerotation vane 60 lies on wiper 50, and prerotation vane 60 slides towards lock body horizontal direction.Wiper 50 offers two bar shaped the first slide-and-guide holes 51 arranged towards lock body longitudinal direction, first lead 52 corresponding with the first position, slide-and-guide hole 51 it is provided with in housing, first lead 52 is placed in corresponding first slide-and-guide hole 51, guides and the slip of limit slippage sheet 50.Vertically be provided with the block board 53 of band hole clipping in wiper 50 side, opposite side is provided with the arc-shaped side 54 of evagination.Being provided with the second disc spring 55 for promoting slider disc to reset in housing, the compression end of the second disc spring 55 withstands on block board 53.

Prerotation vane 60 is provided with bar shaped the second slide-and-guide hole 61 arranged towards lock body horizontal direction, second slide-and-guide hole 61 intersects with one first slide-and-guide hole 51, insert the first lead 52 in this first slide-and-guide hole 51 to be also placed in the second slide-and-guide hole 61, guide prerotation vane 60 to slide.Being vertically fixed the second lead 62 on prerotation vane 60, be provided with towards lock body horizontally set the fiveth slide-and-guide hole 13 corresponding with the second lead 62 on upper cover 11, the second lead 62 inserts in the 5th slide-and-guide hole 13, guides prerotation vane 60 to slide.It is vertically fixed two the 4th leads 66 at prerotation vane 60, lower casing 10 is provided with towards lock body horizontally set and corresponding with the 4th lead 66 bar shaped the 6th slide-and-guide hole 14,4th lead 66 inserts in corresponding 6th slide-and-guide hole 14, guides prerotation vane 60 to slide.It is more stable that the setting of this structure makes prerotation vane 60 slide.

Two dops 63 adaptive with hole clipping it are provided with in the side towards block board 53 of prerotation vane 60, the sliding distance that spacing distance is prerotation vane 60 between two dops 63, when locking mechanism is unlocked, rearmounted dop 63 inserts in hole clipping, when locking mechanism is locked, preposition dop 63 inserts in hole clipping.It is provided with allocating slot 64 in the side towards arc-shaped side 54 of prerotation vane 60.When locking mechanism is unlocked, allocating slot 64 is positioned at the latter half of of arc-shaped side 54, and when locking mechanism is locked, allocating slot 64 is positioned at the first half of arc-shaped side 54.The shifting block locking thumb wheel 90 is placed in allocating slot 64 and the side of arc-shaped side 54, locking thumb wheel 90 when rotating, shifting block turns to the summit of arc-shaped side 54 from the side of arc-shaped side 54, is released by wiper 50, dop 63 in hole clipping departs from hole clipping, and now shifting block is placed on the side of allocating slot 64；Locking thumb wheel 90 to be rotated further, when shifting block turns to the opposite side of arc-shaped side 54, shifting block is directed to sheet 60 and releases or push back, and the second disc spring 55 is by wiper 50 pushed home simultaneously, and another dop 63 inserts in hole clipping.

Coupler knuckle plate 70 includes and the hook portion 73 of dead bolt 20 bar portion 22 adaptation, and hook portion 73 is positioned at the outside in dead bolt 20 bar portion 22, and when lock tongue 21 stretches out, hook portion 73 is relative with the outer end in dead bolt 20 bar portion 22.Coupler knuckle plate 70 is provided with two towards longitudinally disposed bar shaped the 3rd slide-and-guide hole 71 of lock body, threeth lead 72 corresponding with the 3rd position, slide-and-guide hole 71 it is provided with in housing, 3rd lead 72 is placed in corresponding 3rd slide-and-guide hole 71, guides and limits coupler knuckle plate 70 and slides.Hook portion 73 at coupler knuckle plate 70 vertically runs through the 5th lead 75, upper cover 11 and lower casing 10 are provided with bar shaped the 7th slide-and-guide hole 15 that is corresponding with the 5th lead 75 and that arrange towards lock body longitudinal direction, 5th lead 75 inserts in the 7th slide-and-guide hole 15, guides and limits coupler knuckle plate 70 and slides.

The linkage hole 74 being obliquely installed it is provided with, during wherein one the 4th lead 66 inserts linkage hole 74 in the end being upwardly directed sheet 60 of coupler knuckle plate 70.When dead bolt 20 stretches out, locking thumb wheel 90 by rotation, prerotation vane 60 is pushed out, and is simultaneously directed to sheet 60 and drives coupler knuckle plate 70 to slide to direction, dead bolt 20 bar portion 22, The hook portion 73 of coupler knuckle plate 70 is enclosed within dead bolt 20 bar portion 22, makes dead bolt 20 to rotate, it is achieved to lock.When releasing is locked, opposite direction rotates and locks thumb wheel 90, is directed to sheet 60 and pushes back, thus drives coupler knuckle plate 70 to slide and reset, and the hook portion 73 of coupler knuckle plate 70 departs from dead bolt 20 bar portion 22, insurance in releasing.By locking mechanism, lock tongue 21 can be positioned in button box after locking a door, it is achieved lock, so that people cannot open the door outdoors, improve the safety of lockset, safer.

Plectrum 40 is connected to the lower section of coupler knuckle plate 70, rational in infrastructure and compact.

Push pedal 80 is positioned at below prerotation vane 60, slides towards lock body longitudinal direction.Push pedal 80 is provided with two the 4th slide-and-guide holes 81 towards lock body longitudinal direction, and the 4th lead 66 is corresponding with the 4th position, slide-and-guide hole 81, and the 4th lead 66 inserts in the 4th slide-and-guide hole 81 of correspondence, guides and limits push pedal 80 and slides.One end of push pedal 80 is positioned at the side locking thumb wheel 90, the other end is positioned at the rear side at the position 41 that is struck of plectrum 40, lock thumb wheel 90 and can stir push pedal 80, push pedal 80 is made to promote to the part direction that is struck of plectrum 40, to promote plectrum 40, make lock tongue 21 be retracted in housing, and keep retracted mode.Push pedal 80 is provided with the back-moving spring 83 arranged towards lock body longitudinal direction.Being provided with spring locating piece 82 in push pedal 80, be provided with the spring positioning convex 65 relative with spring locating piece 82 position on prerotation vane 60, one end of back-moving spring 83 is fixed on spring locating piece 82, and the other end is enclosed within spring positioning convex 65.Back-moving spring 83 makes it reset after sliding towards plectrum 40 direction in push pedal 80.

When locking mechanism is locked, guide plate drives push pedal 80 to slide to guide plate glide direction；When locking mechanism is not locked, logical can lock thumb wheel 90 and stir push pedal 80, push pedal 80 is made to promote to the part direction that is struck of plectrum 40, to promote plectrum 40, make lock tongue 21 be retracted in housing, and keep retracted mode, thus close at door, dead bolt 20 and button box relative to time, door also will not be locked, cause inconvenience to the user.

The foregoing is only preferred embodiment of the present utility model; not thereby the scope of the claims of the present utility model is limited; every equivalent structure transformation utilizing this utility model description and accompanying drawing content to be made; or directly or indirectly it is used in other relevant technical fields, the most in like manner it is included in scope of patent protection of the present utility model.

Claims

1. a mute lock body, including the housing being made up of lower casing and upper cover, it is arranged on the dead bolt in described housing, plectrum, for driving the thumb wheel structure that described plectrum rotates and the button box being arranged in doorframe, it is characterized in that, described dead bolt is integral type magnetic dead bolt, including lock tongue and the bar portion favouring described lock tongue side, and in described button box, the magnetic piece attracted each other is installed in described lock tongue, described bar portion is provided with the first rotation hole, the first connection post corresponding with described first rotation hole position it is fixed with in described housing, described first connects post is placed in described first rotation hole, described dead bolt connects post as axis rotation with described first；Described plectrum include for stirred by described thumb wheel structure be struck position and for stir described dead bolt bar portion with drive described lock tongue retract transmission portion, described transmission portion and the described position that is struck are that angle is arranged, it is provided with the second rotation hole at the position, angle summit of described plectrum, in described second rotation hole, insert the second connection post being fixed in described housing, make described plectrum connect post as axis rotation with described second；Described thumb wheel structure rotates and drives described plectrum to rotate, and described plectrum rotates and drives described dead bolt to rotate, in making described lock tongue retraction housing.

Mute lock body the most according to claim 1, it is characterised in that described lock tongue is square setting, is provided with liner plate in described housing side, is provided with the through hole adaptive with described lock tongue on described liner plate.

Mute lock body the most according to claim 1, it is characterized in that, described thumb wheel structure includes the handle square hole for being connected with handle and for stirring the peach-poking plate of described plectrum, the first disc spring it is also equipped with in described housing, described first disc spring is positioned at the side of described thumb wheel structure, and described peach-poking plate includes stirring position and the spring gear in the compression end acting on described first disc spring for stir described plectrum.

Mute lock body the most according to claim 3, it is characterised in that described peach-poking plate also includes spacing gear, is additionally provided with the limited post for stopping described spacing gear being positioned at outside described thumb wheel structure in described housing.

Mute lock body the most according to claim 1, it is characterised in that be provided with the first block for limiting described plectrum slewing area in described housing, the position that is struck of described plectrum is provided with the second block for contacting with described first block.

Mute lock body the most according to claim 1, it is characterized in that, also include locking mechanism, described locking mechanism includes wiper, prerotation vane, coupler knuckle plate and locks thumb wheel, described wiper and described coupler knuckle plate slide towards lock body longitudinal direction, described wiper offers at least one first slide-and-guide hole arranged towards lock body longitudinal direction, first lead corresponding with described first slide-and-guide hole site it is provided with in described housing, described first lead is placed in the most described first slide-and-guide hole, guides and limit the slip of described wiper；Vertically be provided with the block board of band hole clipping in the side of described wiper, opposite side is provided with the arc-shaped side of evagination；Being provided with the second disc spring for promoting described slider disc to reset in described housing, the compression end of described second disc spring withstands on described block board；

Described prerotation vane lies on described wiper, described prerotation vane slides towards lock body horizontal direction, described prerotation vane is provided with the second slide-and-guide hole that lock body horizontal direction is arranged, described second slide-and-guide hole intersects with the first slide-and-guide hole described in, and the most described first lead is also placed in described second slide-and-guide hole；Two dops adaptive with described hole clipping it are provided with in the side towards described block board of described prerotation vane, the sliding distance that spacing distance is described prerotation vane between dop described in two, it is provided with allocating slot in the side towards described arc-shaped side of described prerotation vane, the described shifting block locking thumb wheel is placed in described allocating slot and the side of described arc-shaped side, described lock thumb wheel rotate time, described shifting block turns to the summit of described arc-shaped side from the side of described arc-shaped side, described wiper is released, described dop in hole clipping departs from described hole clipping, the most described shifting block is placed on the side of described allocating slot；When described shifting block turns to the opposite side of described arc-shaped side, described prerotation vane is released or pushes back by described shifting block, and the most described second disc spring is by described wiper pushed home, and another described dop inserts in described hole clipping；

Mute lock body the most according to claim 6, it is characterized in that, described prerotation vane is vertically fixed the second lead, being covered with the 5th that arrange towards lock body horizontal direction and corresponding with described second lead slide-and-guide hole on described, described second lead inserts in described 5th slide-and-guide hole.

8. according to the mute lock body described in claim 6 or 7, it is characterized in that, being provided with on described lower casing and arrange towards lock body horizontal direction and the sixth slide-and-guide hole corresponding with described 4th lead, described 4th lead inserts in the most described 6th slide-and-guide hole.

Mute lock body the most according to claim 8, it is characterized in that, also include the push pedal slided towards lock body longitudinal direction being positioned at below described prerotation vane, the 4th slide-and-guide hole of lock body longitudinal direction it is provided with in described push pedal, described 4th lead is corresponding with described 4th slide-and-guide hole site, and described 4th lead inserts in the described 4th slide-and-guide hole of described correspondence；Described push pedal is provided with the back-moving spring towards lock body longitudinal direction, described push pedal is provided with spring locating piece, described prerotation vane is provided with the spring positioning convex relative with described spring locating piece position, one end of described back-moving spring is fixed on described spring locating piece, and the other end is enclosed within described spring positioning convex；The side of thumb wheel is locked described in being positioned in one end of described push pedal, the other end is positioned at the rear side at the position that is struck of described plectrum, described thumb wheel of locking can stir described push pedal, described push pedal is made to promote to the part direction that is struck of described plectrum, to promote described plectrum, make described lock tongue be retracted in housing, and keep retracted mode.

Mute lock body the most according to claim 6, it is characterized in that, hook portion at described coupler knuckle plate vertically runs through the 5th lead, being provided with the 7th slide-and-guide hole that is corresponding with described 5th lead and that arrange towards lock body longitudinal direction on described upper cover with described lower casing, described 5th lead inserts in described 7th slide-and-guide hole.