CN206110880U - Silent lock - Google Patents

Abstract

The utility model discloses a silent lock, including casing and hasp, be provided with spring bolt, lower spring bolt, drive mechanism in the casing, go up lock tongue driving mechanism and lower lock tongue driving mechanism, drive mechanism is through the drive of last lock tongue driving mechanism it moves along the casing to go up the spring bolt, drive mechanism is through lock tongue driving mechanism drive down spring bolt along casing removal down, just go up spring bolt and the equal extensible of spring bolt down to the hasp in, wherein, lock tongue driving mechanism is including promoting piece and crank down, the casing has two spacing posts, and a spacing post passes in proper order the guide way that promotes the piece with articulate waist -shaped slot, just promoting the piece and can following a spacing post slip, another spacing post is kept out articulate one end. Because be provided with the elastic component on the hasp for the buffering shock attenuation makes when going up the spring bolt with lower spring bolt and hasp contact the utility model discloses the practicality is strong, and effectively noise reduction, and security is high.

Description

A kind of quiet lock

Technical field

The utility model is related to household technical field of hardware, and in particular to a kind of quiet lock.

Background technology

In the middle of daily life, we can touch door lock miscellaneous, existing Door-lock bolt and lock be by Made by metal, thus when door-plate when closed, open the door or at closing time, dead bolt stretch out or indentation can and inner components send out Raw collision and friction, can all send noise, and existing upper lock tongue driving mechanism structure is complicated, to parts fitted position essence Really have high demands, improve manufacturing cost, the problems such as easily occur stuck, reduce the safety in utilization of door lock.Therefore, it is badly in need of development one It is kind of simple structure, low cost of manufacture, safe, and can effectively reduce the quiet lock of noise.

Utility model content

In view of this, the utility model provides a kind of simple structure, low cost of manufacture, safe, and can effectively reduce The quiet lock of noise.

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

A kind of quiet lock, including housing and lock, are provided with upper lock tongue, lower dead bolt, transmission mechanism, lock in the housing Tongue drive mechanism and lower bolt driving mechanism, the transmission mechanism drives the upper lock tongue along housing by upper lock tongue drive mechanism Mobile, the transmission mechanism drives the lower dead bolt to move along housing by lower bolt driving mechanism, and the upper lock tongue is with Dead bolt may extend in lock, wherein, the lower bolt driving mechanism includes pushing block and crank, and the housing has two Limited post a, limited post sequentially passes through the gathering sill of the pushing block and the waist type groove of the crank, and the pushing block can Slide along a limited post, another limited post is kept out in one end of the crank, and the side of the pushing block has lug boss, The lug boss is extended in the through hole of the crank.

Further, one end of the crank has claw, and the claw is kept out on the periphery of another limited post.

Further, the side of the crank has lug, and the through hole is arranged on the lug.

Further, one end of the pushing block is connected with the lower dead bolt.

Further, the opposite side of the pushing block is provided with concave part.

Further, elastic component is provided with the lock, is buffered when contacting with lock for upper lock tongue and lower dead bolt Damping.

Further, the claw has U-type groove.

Further, the U-type groove is kept out on the periphery of another limited post.

Further, the crank is L-shaped.

It can be seen from above-mentioned technical scheme that, the utility model has the advantages that：Simple structure, low cost of manufacture, safety Property it is high, it is practical, can effectively reduce noise.

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

Description of the drawings

In order to be illustrated more clearly that the 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 lower bolt driving mechanism of the present utility model and lower dead bolt.

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

Fig. 5 is the dimensional structure diagram of crank.

It is labeled as in figure：

Housing -1, lock -2, upper lock tongue -3, lower dead bolt -4, transmission mechanism -5, upper lock tongue drive mechanism -6, hook -68, under It is bolt driving mechanism -7, pushing block -71, concave part -711, lug boss -712, gathering sill -713, crank -72, claw -721, convex Ear -722, through hole -7221, waist type groove -723, limited post -9, spring-H.

Specific embodiment

Below in conjunction with the accompanying drawing in the utility model embodiment, the technical scheme in the utility model embodiment is carried out Clearly and completely describe, it is clear that described embodiment is only a part of embodiment of the utility model, rather than whole Embodiment.Based on the embodiment in the 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 the utility model protection.

Referring to figs. 1 to Fig. 5, is provided with a kind of quiet lock as shown in Figure 1, including housing 1 and lock 2, the housing 1 Upper lock tongue 3, lower dead bolt 4, transmission mechanism 5, upper lock tongue drive mechanism 6 and lower bolt driving mechanism 7, the transmission mechanism 5 passes through Upper lock tongue drive mechanism 6 drives the upper lock tongue 3 to move along housing 1, and the transmission mechanism 5 is driven by lower bolt driving mechanism 7 Move the lower dead bolt 4 to move along housing 1, and the upper lock tongue 3 and lower dead bolt 4 may extend in lock 2, such as Fig. 3 and Fig. 4 institutes Show, the lower bolt driving mechanism 7 includes pushing block 71 and crank 72, the housing 1 has two limited posts 9, and one spacing Post 9 sequentially passes through the gathering sill 713 of the pushing block 71 and the waist type groove 723 of the crank 72, and the pushing block 71 can edge One limited post 9 slides, and another limited post 9 is kept out in one end of the crank 72, and the side of the pushing block 71 has convex Portion 712 is played, the lug boss 712 is extended in the through hole 7221 of the crank 72, and simple structure is safe.In upper lock tongue The right side of drive mechanism 6 is provided with a hook 68, and the quiet lock also includes setting a spring H, for the reset of upper lock tongue drive mechanism 6.

As shown in figure 5, one end of the crank 72 has claw 721, the claw 721 is kept out in another limited post 9 Periphery on, the side of the crank 72 has lug 722, and the through hole 7221 is arranged on the lug 722, described to lead To groove 713 along limited post 9 slide when so that the pushing block 71 slides along the limited post 9, while so that it is described logical Hole 7221 is set in the different projection of lug boss 712, drives the lower stroke change of dead bolt 4.

As shown in figure 4, one end of the pushing block 71 is connected with the lower dead bolt 4, the opposite side of the pushing block 71 sets It is equipped with concave part 711.

As shown in Figure 3 and Figure 5, the claw 721 of stating with U-type groove, keep out in another limited post 9 by the U-type groove On periphery.

Preferably, the crank 72 is L-shaped.

Elastic component is provided with the lock 2, bumper and absorbing shock when fastening with lock 2 for upper lock tongue 3 and lower dead bolt 4 is real It is strong with property, can effectively reduce noise.

Under locking during dead bolt 4, handle is pulled, the transmission mechanism 5 imparts power to the lower bolt driving mechanism 7, The lower bolt driving mechanism 7 of acquisition power can order about the lower dead bolt 4 and stretch in the lock 2, realize locking for door, user Just.

As shown in Fig. 2 two limited posts 9 are each attached on housing 1, low cost of manufacture covers on the periphery of the limited post 9 Cushion is provided with, the cushion crank 72 can collide and rub described in effectively solving with limited post 9, produces asking for noise Topic.Limited post 9 is provided with a resilient sleeve, and resilient sleeve is used for quiet and damping.

Preferred embodiment of the present utility model is these are only, the utility model is not limited to, for this area Technical staff for, the 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. a kind of quiet lock, including housing (1) and lock (2), be provided with the housing (1) upper lock tongue (3), lower dead bolt (4), Transmission mechanism (5), upper lock tongue drive mechanism (6) and lower bolt driving mechanism (7), the transmission mechanism (5) is driven by upper lock tongue Motivation structure (6) drives the upper lock tongue (3) mobile along housing (1), and the transmission mechanism (5) is by lower bolt driving mechanism (7) Drive the lower dead bolt (4) mobile along housing (1), and the upper lock tongue (3) and lower dead bolt (4) may extend in lock (2), Characterized in that, the lower bolt driving mechanism (7) includes pushing block (71) and crank (72), the housing (1) is with two Limited post (9) a, limited post (9) sequentially passes through the gathering sill (713) of the pushing block (71) and the waist of the crank (72) Type groove (723), and the pushing block (71) can slide along limited post (9), another limited post (9) is kept out in the crank (72) one end, the side of the pushing block (71) has lug boss (712), and the lug boss (712) extends to the crank (72) in through hole (7221).

2. quiet lock according to claim 1, it is characterised in that one end of the crank (72) has claw (721), institute State claw (721) to keep out on the periphery of another limited post (9).

3. quiet lock according to claim 2, it is characterised in that the side of the crank (72) has lug (722), The through hole (7221) is arranged on the lug (722).

4. quiet lock according to claim 3, it is characterised in that one end of the pushing block (71) and the lower dead bolt (4) connect.

5. quiet lock according to claim 4, it is characterised in that the opposite side of the pushing block (71) is provided with concave part (711)。

6. quiet lock according to claim 1, it is characterised in that elastic component is provided with the lock (2), for locking Bumper and absorbing shock when tongue (3) and lower dead bolt (4) are contacted with lock (2).

7. quiet lock according to claim 2, it is characterised in that the claw (721) is with U-type groove.

8. quiet lock according to claim 7, it is characterised in that the U-type groove is kept out in the outer of another limited post (9) Zhou Shang.

9. quiet lock according to claim 1, it is characterised in that the crank (72) is L-shaped.