CN207420225U - Mute buffering lock body - Google Patents

Mute buffering lock body Download PDF

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Publication number
CN207420225U
CN207420225U CN201720872900.4U CN201720872900U CN207420225U CN 207420225 U CN207420225 U CN 207420225U CN 201720872900 U CN201720872900 U CN 201720872900U CN 207420225 U CN207420225 U CN 207420225U
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China
Prior art keywords
latch bolt
square tongue
peach
noise reduction
lock body
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Application number
CN201720872900.4U
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Chinese (zh)
Inventor
肖骞
冉光瑞
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Guangdong Mingmen Locks Industry Co Ltd
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Guangdong Mingmen Locks Industry Co Ltd
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Priority to CN201720872900.4U priority Critical patent/CN207420225U/en
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Abstract

The utility model provides a kind of mute buffering lock body, including:The outer liner plate of lock body, latch bolt component, square tongue component, latch bolt dial peach component, driver blade, box cover and lock case bottom component, and the latch bolt component includes:Latch bolt, friction tongue, pull rod, spring, /V noise reduction ring, sliding block;The square tongue component includes:Square tongue, square tongue plate, silencing block, square tongue dial peach, driver blade under silencing block, square tongue plate on square tongue plate;The lock case bottom component includes:Lock body interior lining panel, square tongue silencing block, latch bolt silencing block, cassette bottom, stud, lead, positioning plate, spring, fixing glue, rotary damper.The utility model uses noise reduction plastic material, such as one or more manufacture components of nylon, TPE Elastic plastic-rubbers, ABS quieter materials to replace metalwork or reduce the noise that friction generates using the method that metalwork is spaced apart by noise reduction plastic material.Coordinating the pooling feature of damper simultaneously, each part mutually collides the sound of generation at work to reduce lock body.

Description

Mute buffering lock body
Technical field
It is smaller mute more particularly to lock body, especially noise the utility model is related to build household door lock field Lock body.
Background technology
At present, door lock, component are usually made of metal material used in household field, in enabling and at closing time, because Shock or friction between each component, can all make a noise.With the raising of the level of consumption of people, in office space or household Occasion is intended to reduce such noise as far as possible.There are many inventors to propose corresponding solution from different technical standpoints Scheme.Common solution is directly to slow down the shock of lock tongue from the lock tongue for being most also easy to produce shock or around its contact Component be improved, in noise this aspect for generating at closing time of mitigation, generate certain good effect.But at closing time The noise of generation is not only what is sent when latch bolt is flexible, and it is that the friction between lock body inner body generates to also have most noise 's.The flexible of square tongue can also generate a part of noise for double lock tongue lock body.For this purpose, the utility model it is artificial overcome it is existing There is the deficiency of technology, a kind of mute buffering lock body structure is provided.
The content of the invention
Technical problem to be solved in the utility model is to reduce shock and the sound sent that rubs between door lock internals Mail is inscribed, and provides a kind of security performance height, stability is good, and the mute buffering lock body that can be used under different occasions, environment.
The utility model is achieved through the following technical solutions:
A kind of mute buffering lock body disclosed in the utility model, including liner plate, lock case bottom component, square tongue group outside lock body Part, latch bolt Bo Tao mechanisms, latch bolt component, square tongue damper, latch bolt damper, commutating structure, lock body box cover.The lock case bottom Component is welded by cassette bottom and lock body interior lining panel, inclined tongue hole and square bolt hole is equipped on lock body interior lining panel, in cassette bottom side Equipped with the screens of latch bolt silencing block and square tongue noise reduction screens and during welding, square tongue silencing block is embedded in lock body interior lining panel side In tongue apertures and cassette bottom square tongue silencing block screens, latch bolt silencing block is embedded in lock body interior lining panel inclined tongue hole and cassette bottom latch bolt silencing block card Position in, and in cassette bottom base surface corresponding position be fixed with several studs, a fixing glue, a torsional spring, several limited posts and One positioning plate.
The square tongue component includes silencing pad and side under silencing pad, square tongue plate, square tongue plate on square tongue, driver blade, square tongue plate Tongue dials peach, and square tongue dials peach side and is equipped with square tongue buffer gear cold.
The latch bolt Bo Tao mechanisms include dialling silencing pad, latch bolt group peach under peach, sliding piece, dial silencing pad on peach;Latch bolt is dialled Peach lower end is nested to dial silencing pad under peach, dials silencing pad under peach and is limited in the latch bolt in cassette bottom group peach hole;Latch bolt is dialled to be set in the middle part of peach There is limit cam;Limit hole is equipped in the middle part of sliding piece, limit hole dials peach top embedded in latch bolt, can realize that sliding piece is dialled with latch bolt Peach is in the relative motion of radial direction;It dials and silencing pad build-in is positioned on peach in latch bolt group peach top, dial positioning silencing pad on peach and be limited in The latch bolt of lock body box cover is dialled in peach hole.
The latch bolt component includes friction tongue, shrapnel, latch bolt, pull rod, spring, sound tooth set, /V noise reduction ring, noise reduction friction Tongue is arranged among latch bolt;The embedded shrapnel in latch bolt is pressed on friction tongue rear end, make friction tongue is kept when latch bolt does not extend out and Latch bolt is alignd.A pull rod is fixed in latch bolt rear end, back end of tie rod compresses a spring, pull rod middle part penetrates noise reduction tooth set and /V disappears Sound ring.The noise reduction tooth set side is equipped with cooperating teeth, for coordinating with latch bolt damper;Noise reduction tooth set afterbody is equipped with /V shifting block And card slot, /V shifting block is used to be stirred by group peach and /V;Card slot is stuck in pull rod afterbody, makes noise reduction tooth set and pull rod axially solid It is fixed;/V noise reduction ring build-in is in positioning plate.
Sound attenuation features described in the utility model:Square tongue silencing block, latch bolt silencing block, the tongue that rubs dial silencing pad under peach, dial Silencing pad on peach, silencing pad is all made of noise reduction plastic material under silencing pad, square tongue plate on square tongue plate, according to actual needs, Above-mentioned sound attenuation features are manufactured using the one or more of the quieter materials such as such as nylon, TPE Elastic plastic-rubbers, TPR Elastic plastic-rubbers, ABS.
The latch bolt is stretched out under the elastic force effect of spring, and during stretching, latch bolt is slided in latch bolt silencing block, will not Generate grating.Locating piece is equipped in latch bolt silencing block, when latch bolt is stretched out, locating piece prevents friction tongue rear end from skidding off, and rubs Tongue front end is lifted, while shrapnel is compressed, and during this, friction tongue bumps against with latch bolt silencing block, will not generate Noise.Meanwhile latch bolt, when stretching out, the cooperating teeth of noise reduction tooth set is engaged with the gear of latch bolt damper, the work of latch bolt damper, The speed of latch bolt stretching is reduced, eliminates the noise that latch bolt each STATEMENT OF FEDERALLY SPONSORED when stretching out mutually collides generation.
For the utility model in the case of closing the door, opened with key, being opened the door using handle, latch bolt is when withdrawing, noise reduction tooth The cooperating teeth of set and the Gear Contact of rotary damper, rotary damper work eliminate latch bolt each STATEMENT OF FEDERALLY SPONSORED phase when withdrawing The noise that mutually collision generates.
The utility model is arranged on the noise reduction tooth set on the pull rod of latch bolt rear end, and gear parts can be set to ring tooth, also may be used To be the double rack structure using shaft centre line as symmetry axis, the retraction of buffering latch bolt can be reached and stretch out having for the speed of cassette bottom Beneficial effect.
The utility model is arranged on the noise reduction tooth set on the pull rod of latch bolt rear end, can be fixed on the front end of pull rod close to tiltedly Tongue can also be fixed on the rear end of pull rod away from latch bolt.
Description of the drawings
Fig. 1 is the utility model decomposing state schematic diagram;
Fig. 2 is that the utility model latch bolt stretches out view;
Fig. 3 is that the utility model latch bolt pushes back view;
Fig. 4 is square tongue and latch bolt retracted state schematic diagram when the utility model key is opened;
Fig. 5 is that the utility model handle opens latch bolt retracted state schematic diagram;
Fig. 6 is the utility model latch bolt noise reduction tooth lantern ring toothing schematic diagram;
Fig. 7 is the utility model latch bolt noise reduction tooth set symmetric teeth structure diagram;
Fig. 8 is the structure diagram that the utility model latch bolt noise reduction tooth set is fixed in front of positioning plate;
Fig. 9 is the structure diagram that the utility model latch bolt noise reduction tooth set is fixed on positioning plate rear.
Figure label is shown
The outer liner plate of 1- lock bodies;
2- cassette bottom components:21- cassette bottoms, 22- lock bodies interior lining panel, 23- square tongues silencing block, 24- latch bolts silencing block, 241- are fixed Position block, 25- studs, 26- fixing glues, 27- torsional springs, 28- limited posts, 29- positioning plates;
3- square tongue components:31- square tongues, 32- driver blades, silencing pad, 34- square tongues plate, 35- square tongue plates on 33- square tongue plates Lower silencing pad, 36- square tongues dial peach, 361- square tongue buffer gear colds;
4- latch bolt Bo Tao mechanisms:41- dials silencing pad under peach, 42- latch bolts dial peach, 421- limit cams;43- sliding pieces, 431- limit holes, 44- dial silencing pad on peach;
5- latch bolt components:51- friction tongue, 52- shrapnels, 53- latch bolts, 54- pull rods, 55- springs, 56- noise reduction teeth set, 561- cooperating teeth, 562- /Vs shifting block, 563- card slots, 57- /V noise reduction rings;
6- square tongue dampers;
7- latch bolt dampers;
8- reversing plates;
9- lock body box covers;
A1- keys, A2- lock cores, B1- handles.
Specific embodiment
As shown in Figure 1 and Figure 2:A kind of mute buffering lock body disclosed in the utility model, including liner plate outside lock body 1, lock body Cassette bottom component 2, square tongue component 3, latch bolt Bo Tao mechanisms 4, latch bolt component 5, square tongue damper 6, latch bolt damper 7, commutating structure 8th, lock body box cover 9.The lock case bottom component 2 is welded by cassette bottom 21 and lock body interior lining panel 22, in lock body interior lining panel 22 Inclined tongue hole and square bolt hole are equipped with, the screens of latch bolt silencing block and square tongue noise reduction screens are equipped in 21 side of cassette bottom and in the mistake of welding Cheng Zhong, by square tongue silencing block 23 in lock body interior lining panel square bolt hole and cassette bottom square tongue silencing block screens, by latch bolt silencing block 24 In lock body interior lining panel inclined tongue hole and cassette bottom latch bolt silencing block screens, and in cassette bottom base surface corresponding position be fixed with it is several The fixing glue 26, one of stud 25, one torsional spring 27, several limited posts 28 and a positioning plate 29.
The square tongue component 3 under silencing pad 33, square tongue plate 34, square tongue plate on square tongue 31, driver blade 32, square tongue plate including disappearing Sound pad 35 and square tongue dial peach 36, and square tongue dials 36 side of peach and is equipped with square tongue buffer gear cold 361.
The latch bolt Bo Tao mechanisms 4 include dialling silencing pad 41, latch bolt group peach 42 under peach, sliding piece 43, dial silencing pad on peach 44;Latch bolt dials silencing pad 41 under the peach of nested group of 42 lower end of peach, dials the latch bolt that silencing pad 41 under peach is limited in cassette bottom 21 and dials peach hole In;Latch bolt dials 42 middle part of peach and is equipped with limit cam 421;43 middle part of sliding piece is equipped with limit hole 431, and limit hole 431 is embedded in latch bolt 42 top of peach is dialled, can realize that sliding piece 43 dials relative motion of the peach 42 in radial direction with latch bolt;It is embedding to dial positioning silencing pad 44 on peach It is fixed in latch bolt and dials 42 top of peach, dial positioning silencing pad 44 on peach and be limited in the latch bolt group peach hole of lock body box cover 9.
The latch bolt component 5 includes friction tongue 51, shrapnel 52, latch bolt 53, pull rod 54, spring 55, sound tooth set 56, and /V disappears Sound ring 57, noise reduction friction tongue 51 are arranged among latch bolt 53;The embedded shrapnel 52 in latch bolt 53, is pressed on 51 rear end of friction tongue, makes Friction tongue 51 keeps aliging with latch bolt 53 when latch bolt 53 does not extend out.A pull rod 54,54 rear end of pull rod are fixed in 53 rear end of latch bolt Compress a spring 55,54 middle part of pull rod penetrates noise reduction tooth set 56 and /V noise reduction ring 57.The noise reduction tooth, which covers 56 sides and is equipped with, matches somebody with somebody Tooth 561 is closed, for coordinating with latch bolt damper 7;Noise reduction tooth covers 56 afterbodys and is equipped with /V shifting block 562 and card slot 563, /V shifting block 562 are used to being dialled peach 43 and stir and /V;Card slot 563 is stuck in 54 afterbody of pull rod, makes noise reduction tooth set 56 and 54 axial restraint of pull rod; 57 build-in of /V noise reduction ring is in positioning plate 29.
Sound attenuation features described in the utility model:Disappear under square tongue silencing block 23, latch bolt silencing block 24, friction tongue 51, group peach Sound pad 41, dial silencing pad 44 on peach, silencing pad 35 all uses noise reduction plastic material system under silencing pad 33, square tongue plate on square tongue plate Into according to actual needs, using the one or more of the quieter materials such as such as nylon, TPE Elastic plastic-rubbers, TPR Elastic plastic-rubbers, ABS Manufacture above-mentioned sound attenuation features.
Such as Fig. 2(With reference to Fig. 1)Shown, latch bolt 53 is stretched out under the elastic force effect of spring 55, and during stretching, latch bolt 53 exists It is slided in latch bolt silencing block 24, grating will not be generated.Locating piece 241 is equipped in latch bolt silencing block 24, when latch bolt 53 is stretched out, Locating piece 241 prevents 51 rear end of friction tongue from skidding off, and 51 front end of friction tongue is lifted, while shrapnel 52 is compressed, in this mistake Cheng Zhong, friction tongue 51 bump against with latch bolt silencing block 24, will not generate noise.Meanwhile latch bolt 53, when stretching out, noise reduction tooth covers 56 Cooperating teeth engaged with the gear of latch bolt damper 7, latch bolt damper 7 works, reduce latch bolt 53 stretching speed, eliminate Each STATEMENT OF FEDERALLY SPONSORED when stretching out of latch bolt 53 mutually collides the noise of generation.
Such as Fig. 3(With reference to Fig. 1, Fig. 2)Shown, at closing time, the friction tongue 51 lifted touches the button box on doorframe side first, During friction tongue 51 is squeezed and retracts latch bolt 53, latch bolt 53 is driven to retract in cassette bottom 21.Since friction tongue 51 is by disappearing Sound material is made, so it will not make a noise when being collided with button box.During latch bolt 53 pushes back, latch bolt 53 is in latch bolt silencing block It is slided in 24, grating will not be generated;Latch bolt 53 is when withdrawing simultaneously, cooperating teeth and the rotary damper 7 of noise reduction tooth set 56 Gear Contact, rotary damper 7 work, and eliminate the noise that each STATEMENT OF FEDERALLY SPONSORED when withdrawing of latch bolt 53 mutually collides generation.
Such as Fig. 4(With reference to Fig. 1)Shown, when the utility model is opened with key A1, lock core A2 stirs square tongue and dials peach 36 first, Make after square tongue 31 in retraction cassette bottom 21, in the process, the damping gear of square tongue damper 6 is engaged with square tongue buffer gear cold 361, Square tongue damper 6 works, and slows down the retraction speed of square tongue component 3, eliminates each linkage part when square tongue 31 bounces back and mutually collides production Raw noise.After square tongue 31 is retracted, lock core A2 stirs driver blade 32, and 32 upward top pressure sliding piece 43 of driver blade drives noise reduction Tooth set 56 bounces back backward, so as to which latch bolt 53 is also withdrawn in cassette bottom 21.During square tongue 31 and latch bolt 53 are retracted, each leisure square tongue It is slided in silencing block 23 and latch bolt silencing block 24, grating will not be generated.Meanwhile latch bolt 53, when retracting, noise reduction tooth covers 56 Cooperating teeth is engaged with the gear of latch bolt damper 7, and latch bolt damper 7 works, and reduces the speed of the retraction of latch bolt 53, is eliminated tiltedly Each STATEMENT OF FEDERALLY SPONSORED when retracting of tongue 53 mutually collides the noise of generation.
Such as Fig. 5(With reference to Fig. 1)Shown, when the utility model is opened the door using handle B1, latch bolt dials peach 42 and directly drives noise reduction Tooth set 56 bounces back backward, so as to which latch bolt 53 is also withdrawn in cassette bottom 21.It is sliding in latch bolt silencing block 24 during latch bolt 53 is retracted It is dynamic, grating will not be generated.Meanwhile latch bolt 53, when retracting, the cooperating teeth and the gear of latch bolt damper 7 of noise reduction tooth set 56 are nibbled It closes, latch bolt damper 7 works, and reduces the speed of the stretching of latch bolt 53, eliminates each STATEMENT OF FEDERALLY SPONSORED when retracting of latch bolt 53 and mutually touches Hit the noise of generation.
As shown in fig. 6, the noise reduction tooth set 56 on the pull rod 54 of 53 rear end of latch bolt, gear parts can be set to ring Tooth, rotary damper 7 coordinate with ring tooth, can reach the advantageous effect that buffering latch bolt 53 was retracted and stretched out the speed of cassette bottom 21.
As shown in fig. 7, the noise reduction tooth set 56 on the pull rod 54 of 53 rear end of latch bolt, gear parts can also be with axis Center line is the double rack structure of symmetry axis, and rotary damper 7 coordinates with a wherein rack, can also reach buffering latch bolt 53 The advantageous effect of the speed of retraction and stretching cassette bottom 21.
As shown in figure 8, the noise reduction tooth set 56 on the pull rod 54 of 53 rear end of latch bolt, before positioning plate 29 can be fixed on Side, positioned at the front end of pull rod 54 close to latch bolt 53.
As shown in figure 9, the noise reduction tooth set 56 on the pull rod 54 of 53 rear end of latch bolt, after positioning plate 29 can also be fixed on Side, positioned at the rear end of pull rod 54 away from latch bolt 53.
The above is only the preferred embodiment of the present invention, and it does not limit the scope of the patent of the present invention, Every equivalent structure transformation made based on the specification and figures of the utility model, is directly or indirectly used in other phases The technical field of pass, is equally included in the patent within the scope of the utility model.

Claims (8)

1. a kind of mute buffering lock body, including liner plate, lock case bottom component, square tongue component, latch bolt Bo Tao mechanisms, latch bolt outside lock body Component, square tongue damper, latch bolt damper, lock body box cover, it is characterized in that:The lock case bottom component is by cassette bottom and lock body Liner plate is welded, and cassette bottom component includes square tongue silencing block, latch bolt silencing block, several limited posts and a positioning plate;
The square tongue component is dialled including silencing pad under silencing pad, square tongue plate, square tongue plate on square tongue, driver blade, square tongue plate and square tongue Peach, square tongue dial peach side and are equipped with square tongue buffer gear cold;
The latch bolt Bo Tao mechanisms include dialling silencing pad, latch bolt group peach under peach, sliding piece, dial silencing pad on peach;Latch bolt is dialled under peach End is nested to dial silencing pad under peach, and latch bolt is dialled and limit cam is equipped in the middle part of peach, limit hole is equipped in the middle part of sliding piece, limit hole is embedded in oblique Tongue dials peach top, can realize that sliding piece dials relative motion of the peach in radial direction with latch bolt, dial and silencing pad build-in is positioned on peach in oblique Tongue dials peach top;
The latch bolt component includes friction tongue, shrapnel, latch bolt, pull rod, spring, sound tooth set, /V noise reduction ring, and noise reduction friction tongue is set Among latch bolt, the embedded shrapnel in latch bolt is pressed on friction tongue rear end, fixes a pull rod in latch bolt rear end, back end of tie rod supports A spring, pull rod middle part is pressed to penetrate noise reduction tooth set and /V noise reduction ring, /V noise reduction ring build-in is in positioning plate.
2. mute buffering lock body as described in claim 1, it is characterized in that:The noise reduction tooth set side is equipped with cooperating teeth, cooperation Tooth coordinates with the latch bolt damper;The noise reduction tooth set afterbody is equipped with /V shifting block and card slot.
3. mute buffering lock body as described in claim 1, it is characterized in that:Its gear parts of the noise reduction tooth set are set to ring Tooth.
4. mute buffering lock body as described in claim 1, it is characterized in that:Its gear parts of the noise reduction tooth set are in axis Heart line is the double rack structure of symmetry axis.
5. mute buffering lock body as described in claim 1, it is characterized in that:The front end that the noise reduction tooth set is fixed on pull rod is close The position of latch bolt.
6. mute buffering lock body as described in claim 1, it is characterized in that:The rear end that the noise reduction tooth set is fixed on pull rod is separate The position of latch bolt.
7. mute buffering lock body as described in claim 1, it is characterized in that:The square tongue silencing block, latch bolt silencing block, friction Tongue, dial silencing pad under peach, dial silencing pad on peach, silencing pad all uses noise reduction plastic material under silencing pad, square tongue plate on square tongue plate It is made.
8. mute buffering lock body as claimed in claim 7, it is characterized in that:The noise reduction plastic material includes nylon or TPE The combination of Elastic plastic-rubber or TPR Elastic plastic-rubbers or ABS or two or more previous materials.
CN201720872900.4U 2017-07-19 2017-07-19 Mute buffering lock body Active CN207420225U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201720872900.4U CN207420225U (en) 2017-07-19 2017-07-19 Mute buffering lock body

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201720872900.4U CN207420225U (en) 2017-07-19 2017-07-19 Mute buffering lock body

Publications (1)

Publication Number Publication Date
CN207420225U true CN207420225U (en) 2018-05-29

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ID=62398299

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201720872900.4U Active CN207420225U (en) 2017-07-19 2017-07-19 Mute buffering lock body

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CN (1) CN207420225U (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107339013A (en) * 2017-07-19 2017-11-10 广东名门锁业有限公司 Jing Yin buffering lock body
CN109629911A (en) * 2019-01-20 2019-04-16 广东名门锁业有限公司 A kind of push-pull door lock construction

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107339013A (en) * 2017-07-19 2017-11-10 广东名门锁业有限公司 Jing Yin buffering lock body
CN109629911A (en) * 2019-01-20 2019-04-16 广东名门锁业有限公司 A kind of push-pull door lock construction

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