CN206110881U - Silent lock - Google Patents

Abstract

The utility model discloses a silent lock, be in including casing, hasp and setting last spring bolt in the casing, lower spring bolt and drive mechanism, it includes lock tongue driving mechanism to go up the spring bolt, the spring bolt includes lock tongue driving mechanism down, drive mechanism goes up lock tongue driving mechanism through the drive and makes with lower lock tongue driving mechanism go up spring bolt and lower spring bolt along axial motion, just go up spring bolt and the equal extensible of spring bolt down to the hasp in, wherein, the one end that goes up the spring bolt is equipped with bolster and protective housing, protective shell sleeve establishes the bolster with go up in the magnetic rolling ball's in the spring bolt the periphery for eliminate magnetic rolling ball's radial magnetic force. Because have a plurality of elastic bulge on the bolster, make the utility model discloses can solve effectively that the spring bolt stretches out or indentation meeting and inside spare part bump and rubs, produce the problem of noise.

Description

One kind is without sound lock

Technical field

This utility model is related to household technical field of hardware, and in particular to one kind is without sound lock.

Background technology

Door lock is to keep room or personal storage space safety and a kind of handware mounted on a door, its base This structure includes a dead bolt that can under external force carry out stretching motion, is engaged with the lock being mounted on doorframe, can prevent Only by opening under the fortuitous events such as wind, as people's living standard is improved, requirement of the people to door lock is not limited solely to door Safety, while also being intended to opening the door or at closing time, the noise that door lock sends is being reduced as far as possible.Therefore, it is badly in need of a kind of nothing of development Sound lock, it is possible to resolve dead bolt stretches out or indentation can collide with inner components and rub, and produces the problem of noise.

Utility model content

In view of this, this utility model provides one kind without sound lock, it is possible to resolve dead bolt stretches out or indentation can be with internal zero Part collides and rubs, and produces the problem of noise.

For achieving the above object, this utility model provides following technical scheme：

One kind is without sound lock, including housing, the upper lock tongue, lower dead bolt and the driver that latch and be arranged in the housing Structure, the upper lock tongue includes upper lock tongue drive mechanism, and the lower dead bolt includes lower bolt driving mechanism, and the drive mechanism passes through Upper lock tongue drive mechanism and lower bolt driving mechanism is driven to make the upper lock tongue and lower dead bolt axially movable, and the upper lock tongue May extend in lock with lower dead bolt, wherein, one end of the upper lock tongue is provided with bolster and containment vessel, the protection valve jacket On the periphery of the magnetic ball being located in the bolster and the upper lock tongue, for eliminating the radial magnetic force of magnetic ball, its In, there are several elastic bumps on the bolster, and the elastic bumps are from the containment vessel in corresponding through hole Extend out.

Further, the lid of the upper lock tongue be located on the dead bolt slide plate of the upper lock tongue drive mechanism, and described Magnetic ball is arranged between dead bolt slide plate and lid.

Further, the end face of the end face of the dead bolt slide plate and the lid is connected with the bolster.

Further, the upper lock tongue also includes lock tongue cavity, and the lock tongue cavity is set on the periphery of the containment vessel.

Further, the lock tongue cavity has opening, and the elastic bumps are extended to outside the opening.

Further, the number of the magnetic ball is 2.

Further, the lock is additionally provided with buffer part, when the buffer part is used for the lock and upper lock tongue contact Bumper and absorbing shock.

Further, the number of the elastic bumps is 3.

Further, the lock tongue cavity is made using plastic material.

It can be seen from above-mentioned technical scheme that, the utility model has the advantages that：

It is safe, it is practical, can effectively solving dead bolt stretch out or indentation can collide with inner components and Friction, produces the problem of noise.

In addition to objects, features and advantages described above, this utility model also has other purposes, feature and excellent Point.Below with reference to figure, this utility model is described in further detail.

Description of the drawings

In order to be illustrated more clearly that this utility model embodiment or technical scheme of the prior art, below will be to embodiment Or the accompanying drawing to be used needed for description of the prior art is briefly described, it should be apparent that, drawings in the following description are only It is some embodiments of the present utility model, for those of ordinary skill in the art, in the premise for not paying creative work Under, can be with according to these other accompanying drawings of accompanying drawings acquisition.In the accompanying drawings：

Fig. 1 is dimensional structure diagram of the present utility model.

Fig. 2 is front view of the present utility model.

Fig. 3 is the dimensional structure diagram of upper lock tongue of the present utility model.

Fig. 4 is the front view of Fig. 3.

Fig. 5 is the dimensional structure diagram of bolster.

Fig. 6 is the dimensional structure diagram of containment vessel of the present utility model.

Fig. 7 is the dimensional structure diagram of lock tongue cavity of the present utility model.

It is labeled as in figure：

Housing -1, lock -2, upper lock tongue -3, lower dead bolt -4, drive mechanism -5, upper lock tongue drive mechanism -6, lock Tongue slide plate -61, lid -62, magnetic ball -63, bolster -64, elastic bumps -641, containment vessel -65, through hole - 651st, lock tongue cavity -66, opening -661, hook -68, lower bolt driving mechanism -7, spring-H.

Specific embodiment

Below in conjunction with the accompanying drawing in this utility model embodiment, the technical scheme in this utility model embodiment is carried out Clearly and completely describe, it is clear that described embodiment is only a part of embodiment of this utility model, rather than whole Embodiment.Based on the embodiment in this utility model, those of ordinary skill in the art are not under the premise of creative work is made The every other embodiment for being obtained, belongs to the scope of this utility model protection.

Referring to figs. 1 to Fig. 7, one kind as depicted in figs. 1 and 2 is without sound lock, including housing 1, lock 2 and is arranged on described Upper lock tongue 3, lower dead bolt 4 and drive mechanism 5 in housing 1, the housing 1 is arranged in door body, and the lock 2 is arranged on doorframe On, the upper lock tongue 3 includes upper lock tongue drive mechanism 6, and the lower dead bolt 4 includes lower bolt driving mechanism 7, the drive mechanism 5 make the upper lock tongue 3 and lower dead bolt 4 axially movable by driving upper lock tongue drive mechanism 6 and lower bolt driving mechanism 7, and The upper lock tongue 3 and lower dead bolt 4 may extend in lock 2.A hook 68 is provided with the right side of upper lock tongue drive mechanism 6, this is noiseless Lock also includes setting a spring H, for the reset of upper lock tongue drive mechanism 6.

As shown in Figure 3 and Figure 4, the lid 62 of the upper lock tongue 3 be located in the dead bolt slide plate of the upper lock tongue drive mechanism 6 On 61, and the magnetic ball 63 of the upper lock tongue 3 is arranged between dead bolt slide plate 61 and lid 62, one end of the upper lock tongue 3 Be provided with bolster 64 and containment vessel 65, and the dead bolt slide plate 61 end face and the lid 62 end face with the bolster 64 connections, the containment vessel 65 is set on the bolster 64 and the periphery of the magnetic ball 63, for eliminating magnetic rolling The radial magnetic force of pearl 63, reduces resistance of the upper lock tongue 3 in axial movement, opens the door laborsaving, closes the door smooth.

As shown in Fig. 5, Fig. 6 and Fig. 7, there are several elastic bumps 641, and the elastic bumps on the bolster 64 641 extend out from the containment vessel 65 in corresponding through hole 651, and the upper lock tongue 3 also includes lock tongue cavity 66, the lock Tongue chamber 66 is set on the periphery of the containment vessel 65, and the elastic bumps 641 extend to the opening 661 of the lock tongue cavity 66 Outward, it is to avoid the upper lock tongue 3 rigid collision occurs with the lock 2, reduces noise and abrasion, wherein, the lock tongue cavity 66 is adopted Made with plastic material, and replaceable, it is to avoid the upper lock tongue 3 during motion with the housing 1 and the inwall of lock 2 Collision produces noise and damage, increases the service life.

Preferably, the number of the magnetic ball 63 is 2, and the number of the elastic bumps 641 is 3.

As Fig. 1 and Fig. 2, the lock 2 are provided with buffer part, the buffer part is used for the lock 2 and upper lock tongue 3 is contacted When bumper and absorbing shock.

From said structure, this utility model when door is opened, effect of the upper lock tongue 3 in the magnetic ball 63 It is accommodated in the housing 1, it is to avoid cause unnecessary injury to human body, when door is closed, the magnetic ball 63 and the lock Magnetic in button 2 produces suction, stretches out the upper lock tongue 3, because the containment vessel 65 can eliminate magnetic ball 63 Radial magnetic force, makes enabling laborsaving, closes the door smooth, because the buffer part in the bolster 64, lock tongue cavity 66 and the lock 2 is matched somebody with somebody Conjunction is used, and reduces noise, reduces friction, is increased the service life.

Preferred embodiment of the present utility model is these are only, this utility model is not limited to, for this area Technical staff for, this utility model can have various modifications and variations.It is all it is of the present utility model spirit and principle within, Any modification, equivalent substitution and improvements made etc., should be included within protection domain of the present utility model.

Claims (9)

1. one kind is without sound lock, including housing (1), lock (2) and the upper lock tongue (3), the lower dead bolt that are arranged in the housing (1) (4) and drive mechanism (5), the upper lock tongue (3) including upper lock tongue drive mechanism (6), the lower dead bolt (4) includes that lower dead bolt drives Motivation structure (7), the drive mechanism (5) is made on described by driving upper lock tongue drive mechanism (6) and lower bolt driving mechanism (7) Axially movable, and the upper lock tongue (3) and lower dead bolt (4) may extend in lock (2) for dead bolt (3) and lower dead bolt (4), its It is characterised by, one end of the upper lock tongue (3) is provided with bolster (64) and containment vessel (65), and the containment vessel (65) is set in institute State on the periphery of the magnetic ball (63) in bolster (64) and the upper lock tongue (3), for eliminating the footpath of magnetic ball (63) To magnetic force, wherein, there are several elastic bumps (641) on the bolster (64), and the elastic bumps (641) are from institute State and extended out in corresponding through hole (651) on containment vessel (65).

2. it is according to claim 1 without sound lock, it is characterised in that the lid (62) of the upper lock tongue (3) be located in described On the dead bolt slide plate (61) of upper lock tongue drive mechanism (6), and the magnetic ball (63) is arranged on dead bolt slide plate (61) and lid (62) between.

3. it is according to claim 2 without sound lock, it is characterised in that the end face and the lid of the dead bolt slide plate (61) (62) end face is connected with the bolster (64).

4. it is according to claim 1 without sound lock, it is characterised in that the upper lock tongue (3) also includes lock tongue cavity (66), described Lock tongue cavity (66) is set on the periphery of the containment vessel (65).

5. it is according to claim 4 without sound lock, it is characterised in that the lock tongue cavity (66) is with opening (661) and described Elastic bumps (641) extend to the opening (661) outward.

6. it is according to claim 2 without sound lock, it is characterised in that the number of the magnetic ball (63) is 2.

7. it is according to claim 1 without sound lock, it is characterised in that the lock (2) is additionally provided with buffer part, the buffering Portion is used for bumper and absorbing shock when the lock (2) and upper lock tongue (3) contact.

8. it is according to claim 1 without sound lock, it is characterised in that the number of the elastic bumps (641) is 3.

9. it is according to claim 4 without sound lock, it is characterised in that the lock tongue cavity (66) is made using plastic material.