阅读说明：本技术 一种新型无声锁 (Novel soundless lock ) 是由 朱璁 朱旭晨 于 2019-10-09 设计创作，主要内容包括：本申请提供了一种新型无声锁,其中,包括：壳体和锁扣,所述壳体内设置下锁舌、上锁舌、传动机构、下锁舌驱动机构和上锁舌驱动机构,所述下锁舌驱动机构驱动所述下锁舌伸出所述壳体并延伸到所述锁扣内,所述传动机构通过所述上锁舌驱动机构驱动所述上锁舌伸出所述壳体并延伸到所述锁扣内,所述下锁舌驱动机构包括：驱动转轴、滑动套、导向杆、推动件和转动轮,所述导向杆连接在所述壳体的前侧板和后侧板之间,所述滑动套沿所述导向杆滑动,所述驱动转轴推动所述推动件在所述滑动套内上下滑动,所述滑动套的上端使得所述下锁舌向所述壳体外伸出。本申请提供的新型无声锁,在关门的同时实现自动闭锁,锁定效果稳定,安全性高。(The application provides a novel silence lock, wherein, include: the lock comprises a shell and a lock catch, wherein a lower lock tongue, an upper lock tongue, a transmission mechanism, a lower lock tongue driving mechanism and an upper lock tongue driving mechanism are arranged in the shell, the lower lock tongue driving mechanism drives the lower lock tongue to extend out of the shell and extend into the lock catch, the transmission mechanism drives the upper lock tongue to extend out of the shell and extend into the lock catch through the upper lock tongue driving mechanism, and the lower lock tongue driving mechanism comprises: the driving rotating shaft drives the pushing piece to slide up and down in the sliding sleeve, and the upper end of the sliding sleeve enables the lower lock tongue to extend out of the shell. The application provides a novel silent lock realizes automatic shutting when closing the door, and locking effect is stable, and the security is high.)

1. A novel silent lock, comprising: casing (1) and hasp (2), set up down spring bolt (3), last spring bolt (4), drive mechanism (5), lower spring bolt actuating mechanism (8) and lock tongue actuating mechanism (7) in casing (1), lower spring bolt actuating mechanism (8) drive spring bolt (3) are stretched out down casing (1) and are extended to in hasp (2), drive mechanism (5) are passed through go up spring bolt actuating mechanism (7) drive go up spring bolt (4) and stretch out casing (1) and extend to in hasp (2), the lower extreme of spring bolt (3) is connected with down arm-tie (6) down, lower spring bolt actuating mechanism (8) include: the bolt locking device comprises a driving rotating shaft (81), a sliding sleeve (82), a guide rod (83), a pushing piece (84) and a rotating wheel (85), wherein the guide rod (83) is connected between a front side plate and a rear side plate of the shell (1), the sliding sleeve (82) slides along the guide rod (83), the driving rotating shaft (81) pushes the pushing piece (84) to slide up and down in the sliding sleeve (82), and the upper end of the sliding sleeve (82) enables the lower bolt (3) to extend out of the shell (1) by pushing the lower pulling plate (6).

2. The novel silent lock according to claim 1, wherein the driving shaft (81) is rotatably disposed between the front side plate and the rear side plate of the housing (1), a high flange (811), a middle flange (812) and a low flange (813) are sequentially disposed on the outer periphery of the driving shaft (81), one end of the high flange (811) and one end of the middle flange (812) are smoothly connected, and one end of the low flange (813) and the other end of the middle flange (812) are smoothly connected.

3. The novel silent lock according to claim 2, wherein the pushing member (84) comprises a movable post (841), a second spring (842), a pushing head (843) and a stop ring (844), the movable post (841) is sleeved in the sliding sleeve (82), the pushing head (843) is connected to the upper end of the movable post (841), the stop ring (844) is arranged at the lower part of the movable post (841), and the second spring (842) is abutted between the stop ring (844) and the lower end of the sliding sleeve (82).

4. A new type silent lock as claimed in claim 3, wherein said push member (84) further comprises a rotary wheel (85) rotatably disposed on the connecting shaft (845) at one side of said movable post (841), said rotary wheel (85) rolling along the edges of said high flange (811), middle flange (812) and low flange (813), both sides of said rotary wheel (85) being provided with a limit stop (851) for preventing said rotary wheel (85) from disengaging from said high flange (811), middle flange (812) and low flange (813).

5. The novel silent lock according to claim 4, wherein the pull-down plate (6) comprises a bolt sliding plate (61), the bolt sliding plate (61) has an open cavity (611) in the middle, the inner wall of the open cavity (611) has an inclined surface (612), the push head (843) is located in the open cavity (611), and one side of the push head (843) has a push surface (8431) which abuts against the inclined surface (612) and is matched with the inclined surface (612).

6. The novel silent lock according to claim 5, wherein the pull-down plate (6) further comprises a connecting column (613) connected to the lower end of the bolt sliding plate (61), the connecting column (613) has a baffle plate (62) at the lower end, and the connecting column (613) is sleeved with a first spring (63).

7. The novel silent lock according to claim 6, wherein a fixed guide plate (11) is provided on the inner wall of the housing (1), a U-shaped groove is formed on the fixed guide plate (11), and the connecting column (613) slides in the U-shaped groove on the fixed guide plate (11).

8. The new silent lock according to claim 7, characterized in that one end of the first spring (63) abuts against one side of the guide plate (11) and the other end of the first spring (63) abuts against the stop plate (62).

9. The novel silent lock as claimed in claim 1, characterized in that the upper ends of the lower bolt (3) and the upper bolt (4) are embedded with a buffer block.

Technical Field

The invention relates to hardware door lock accessories, in particular to a novel silent lock.

Background

Along with the development of economy and social progress, people have higher and higher requirements on the door lock, so that the door lock is good in quality, rapid to install, convenient to use and not prone to being damaged violently, and the noise of the door lock is required to be reduced as far as possible when the door is closed. Because people neglect or get used to the fact for a while, often forget to lock the door, current lock can not realize automatic shutting when closing the door, and locking effect is not good when in actual use, has the potential safety hazard.

Disclosure of Invention

The invention aims to provide a novel silent lock, which can realize automatic locking when a door is closed, has stable locking effect and high safety.

In order to solve the technical problems, the invention provides the following technical scheme:

a novel silent lock, comprising: the lock comprises a shell and a lock catch, wherein a lower lock tongue, an upper lock tongue, a transmission mechanism, a lower lock tongue driving mechanism and an upper lock tongue driving mechanism are arranged in the shell, the lower lock tongue driving mechanism drives the lower lock tongue to extend out of the shell and extend into the lock catch, the transmission mechanism drives the upper lock tongue to extend out of the shell and extend into the lock catch through the upper lock tongue driving mechanism, the lower end of the lower lock tongue is connected with a lower pulling plate, and the lower lock tongue driving mechanism comprises: the driving rotating shaft drives the pushing piece to slide up and down in the sliding sleeve, and the upper end of the sliding sleeve enables the lower lock tongue to extend out of the shell by pushing the lower pull plate.

Furthermore, the driving rotating shaft is rotatably arranged between the front side plate and the rear side plate of the shell, a high flange, a middle flange and a low flange are sequentially arranged on the periphery of the driving rotating shaft, one end of the high flange is in smooth transition connection with one end of the middle flange, and one end of the low flange is in smooth transition connection with the other end of the middle flange.

Furthermore, the pushing member comprises a movable column, a second spring, a pushing head and a blocking ring, the movable column is sleeved in the sliding sleeve, the pushing head is connected to the upper end of the movable column, the blocking ring is arranged on the lower portion of the movable column, and the second spring is abutted between the blocking ring and the lower end of the sliding sleeve.

Furthermore, the pushing piece also comprises a rotating wheel which is rotatably arranged on the connecting shaft at one side of the movable column, the rotating wheel rolls along the edges of the high flange, the middle flange and the low flange, and two sides of the rotating wheel are respectively provided with a limit baffle for preventing the rotating wheel from separating from the high flange, the middle flange and the low flange.

Furthermore, the lower pull plate comprises a lock tongue sliding plate, an opening cavity is formed in the middle of the lock tongue sliding plate, an inclined plane is arranged on the inner wall of the opening cavity, the pushing head is located in the opening cavity, and a pushing surface which abuts against the inclined plane and is matched with the inclined plane is arranged on one side of the pushing head.

Furthermore, the lower pulling plate further comprises a connecting column connected to the lower end of the bolt sliding plate, a baffle is arranged at the lower end of the connecting column, and a first spring is sleeved on the connecting column.

Furthermore, a fixed guide plate is arranged on the inner wall of the shell, a U-shaped groove is formed in the fixed guide plate, and the connecting column slides in the U-shaped groove in the fixed guide plate.

Furthermore, one end of the first spring abuts against one side of the guide plate, and the other end of the first spring abuts against the baffle plate.

Furthermore, the upper ends of the lower lock tongue and the upper lock tongue are respectively embedded with a buffer block.

According to the technical scheme, the invention has the following beneficial effects:

1. the novel silent lock provided by the invention has higher safety, can automatically realize the door locking effect while closing the door, has stable locking effect, avoids the accident of forgetting to lock the door due to negligence of a user, and has higher safety.

The invention is described in further detail below with reference to the figures and the detailed description.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the provided drawings without creative efforts.

FIG. 1 is a schematic structural diagram of the present invention.

FIG. 2 is a side view of the lower tongue drive mechanism and lower pull plate of the present invention.

Fig. 3 is a schematic structural view of the pull-down plate of the present invention.

Fig. 4 is a perspective view of the driving shaft according to the present invention.

Fig. 5 is a partial structural view of fig. 2 of the present invention.

Description of reference numerals: the device comprises a shell-1, a fixed guide plate-11, a lock catch-2, a lower lock tongue-3, an upper lock tongue-4, a transmission mechanism-5, a lower pull plate-6, a lock tongue slide plate-61, an opening cavity-611, an inclined surface-612, a connecting column-613, a baffle-62, a first spring-63, an upper lock tongue driving mechanism-7, a lower lock tongue driving mechanism-8, a driving rotating shaft-81, a high flange-811, a middle flange-812, a low flange-813, a sliding sleeve-82, a guide rod-83, a pushing member-84, a movable column-841, a second spring-842, a pushing head-843, a pushing surface-8431, a baffle ring-844, a connecting shaft-845, a rotating wheel-85 and a limit baffle-851.

Detailed Description

The embodiments of the invention will be described in detail below with reference to the drawings, but the invention can be implemented in many different ways as defined and covered by the claims.

The present application is further described with reference to fig. 1-5, wherein a novel silent lock, as shown in fig. 1, comprises: casing 1 and hasp 2, set up down spring bolt 3, last spring bolt 4, drive mechanism 5, lower spring bolt actuating mechanism 8 and the tongue actuating mechanism 7 of locking in the casing 1, lower spring bolt actuating mechanism 8 drive down spring bolt 3 stretch out casing 1 and extend to in the hasp 2, drive mechanism 5 passes through last spring bolt actuating mechanism 7 drive go up spring bolt 4 stretch out casing 1 and extend to in the hasp 2, the lower extreme of lower spring bolt 3 is connected with down arm-tie 6, lower spring bolt actuating mechanism 8 includes: the novel silent lock comprises a driving rotating shaft 81, a sliding sleeve 82, a guide rod 83, a pushing piece 84 and a rotating wheel 85, wherein the guide rod 83 is connected between a front side plate and a rear side plate of the shell 1, the sliding sleeve 82 slides along the guide rod 83, the driving rotating shaft 81 pushes the pushing piece 84 to slide up and down in the sliding sleeve 82, and the upper end of the sliding sleeve 82 pushes the pull-down plate 6 to enable the lower bolt 3 to extend out of the shell 1, so that the novel silent lock provided by the invention carries out reasonable structural improvement on the structure of the traditional door lock, has higher safety, automatically realizes the locking effect while closing the door, avoids the accidental occurrence of forgetting to lock the door due to negligence of a user, and has higher safety.

As shown in fig. 2 and 4, the driving shaft 81 is rotatably disposed between the front side plate and the rear side plate of the housing 1, a high flange 811, a middle flange 812 and a low flange 813 are sequentially disposed on the outer circumference of the driving shaft 81, one end of the high flange 811 is smoothly transitionally connected with one end of the middle flange 812, and one end of the low flange 813 is smoothly transitionally connected with the other end of the middle flange 812.

The pushing member 84 includes a movable post 841, a second spring 842, a pushing head 843, and a blocking ring 844, the movable post 841 is sleeved in the sliding sleeve 82, the pushing head 843 is connected to the upper end of the movable post 841, the blocking ring 844 is arranged at the lower part of the movable post 841, and the second spring 842 is abutted between the blocking ring 844 and the lower end of the sliding sleeve 82.

The second spring 842 is used for the return of the push member 84, ensuring that the push member 84 can move downwards so that the rotating wheel 85 always contacts the high flange 811, the middle flange 812 or the low flange 813 during the switching of the rotating wheel 85 from contacting the high flange 811 to contacting the middle flange 812 or from contacting the low flange 813 by the middle flange 812.

The pushing member 84 further includes a rotating wheel 85 rotatably disposed on a connecting shaft 845 on one side of the movable post 841, the rotating wheel 85 rolls along the edges of the high flange 811, the middle flange 812 and the low flange 813, a limit baffle 851 for preventing the rotating wheel 85 from being separated from the high flange 811, the middle flange 812 and the low flange 813 is disposed on both sides of the rotating wheel 85, and the high flange 811, the middle flange 812 and the low flange 813 are sequentially switched to be in contact with the rotating wheel 85 during the rotation of the driving rotating shaft 81, so that the height position of the rotating wheel 85 is changed along with the heights of the high flange 811, the middle flange 812 and the low flange 813 in contact with the rotating wheel 85.

As shown in fig. 2, 3 and 5, the pull-down plate 6 includes a latch sliding plate 61, an open cavity 611 is formed in the middle of the latch sliding plate 61, an inclined surface 612 is formed on the inner wall of the open cavity 611, the push head 843 is located in the open cavity 611, a push surface 8431 which abuts against the inclined surface 612 and is matched with the inclined surface 612 is formed on one side of the push head 843, and the inclined surface 612 pushes the push surface 8431, so that the latch sliding plate 61 linearly moves up and down and slides.

The pull-down plate 6 further comprises a connecting pole 613 connected to the lower end of the bolt sliding plate 61, the lower end of the connecting pole 613 is provided with a baffle plate 62, a first spring 63 is sleeved on the connecting pole 613, and the first spring 63 is arranged so that the pull-down plate 6 can be reset when the pushing surface 8431 does not push the inclined surface 612 any more.

Be provided with fixed deflector 11 on the inner wall of casing 1, the U-shaped groove has been seted up on fixed deflector 11, spliced pole 613 is in slide in the U-shaped groove on the fixed deflector 11, fixed deflector 11 plays for the effect that spring bolt slide 61 leads ensures spring bolt slide 61 linear motion can not take place the slope, thereby guarantees that what spring bolt 3 can be smooth stretches out down casing 1.

One end of the first spring 63 abuts against one side of the guide plate 11, the other end of the first spring 63 abuts against the baffle plate 62, and the first spring 63 is used for resetting the pull-down plate 6, so that the use stability is improved.

As shown in fig. 1, the upper end of lower spring bolt 3 with go up spring bolt 4 all inlays and is equipped with the buffer block spring bolt 3 down with go up spring bolt 4 and stretch into when in hasp 2, the buffer block plays and relaxes spring bolt 3 down with go up the impact vibration effect of spring bolt 4, is favorable to the noise abatement, improves performance, has improved user's experience effect.

As shown in fig. 1 and 2, the door lock handle is connected to the driving shaft 81, the driving shaft 81 is driven to rotate by rotating the door lock handle, when the driving shaft 81 rotates, the rotating wheel 85 rolls along the high flange 811, the middle flange 812 and the low flange 813, and due to the different heights of the high flange 811, the middle flange 812 and the low flange 813, the rotating wheel 85 drives the movable post 841 to move up and down in the sliding sleeve 82, and the sliding sleeve 82 slides along the guide rod 83, specifically, when a user rotates the door lock handle during door opening, when the door lock handle drives the driving shaft 81 to rotate, the movable post 841 moves downward under the elastic force of the second spring 842, the pushing surface 8431 does not push the inclined surface 612 upward any more, the lower pulling plate 6 moves downward under the elastic force of the first spring 63, so that the lower locking tongue 3 leaves the lock catch 2, unlocking is realized;

when the user closed the door, during the release pivoted lock handle, under the torsional spring effect in the lock handle, the rotatory resetting of lock handle drives drive pivot 81 rotates and makes activity post 841 rise, push surface 8431 through with inclined plane 612 cooperation will 6 whole upwards promote of lower arm-tie, lower arm-tie 6 will spring bolt 3 is ejecting downwards casing 1 makes spring bolt 3 extends to down in the hasp 2, realize that lower spring bolt 3 stretches out, after rotating the handle and closing the door, handle and drive pivot 81 linkage when releasing the handle realize the effect of locking the door automatically, improve safety in utilization, and locking effect is stable, has guaranteed life.

The above is only a preferred embodiment of the present invention, and is not intended to limit the present invention, and various modifications and changes will occur to those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.