阅读说明：本技术 一种静音锁 (silent lock ) 是由 朱璁 朱旭晨 于 2019-09-30 设计创作，主要内容包括：本发明公开了一种静音锁,包括斜舌组件和旋片,所述斜舌组件具有挡板和斜舌连接柱,其中,所述挡板的外端设有减震消音组件,所述旋片能够抵压在所述减震消音组件上,所述减震消音组件包括顶板、压缩组件和拉伸组件,所述顶板的中部铰接在所述挡板上,所述旋片能够抵压在所述顶板的外端面的一端上；所述压缩组件设置在所述顶板的内端面的一端与所述挡板的外端面的一端之间；所述拉伸组件设置在所述顶板的内端面的另一端与所述挡板的外端面的另一端之间。本发明提供的静音锁,由于采用了上述结构,因而可以防止旋片与挡板直接接触产生噪音,且可以缓冲旋片对挡板产生的撞击力,延长本发明的使用寿命。(the invention discloses a silent lock which comprises a latch bolt component and a rotary piece, wherein the latch bolt component is provided with a baffle and a latch bolt connecting column, the outer end of the baffle is provided with a damping and silencing component, the rotary piece can be pressed on the damping and silencing component, the damping and silencing component comprises a top plate, a compression component and a stretching component, the middle part of the top plate is hinged on the baffle, and the rotary piece can be pressed on one end of the outer end surface of the top plate; the compression assembly is arranged between one end of the inner end face of the top plate and one end of the outer end face of the baffle plate; the stretching assembly is arranged between the other end of the inner end face of the top plate and the other end of the outer end face of the baffle plate. The mute lock provided by the invention can prevent the rotary vane from directly contacting with the baffle plate to generate noise, can buffer the impact force generated by the rotary vane to the baffle plate and prolongs the service life of the mute lock.)

1. The utility model provides a silence lock, includes latch bolt subassembly and rotor (10), the latch bolt subassembly has baffle (20) and latch bolt spliced pole (30), its characterized in that, the outer end of baffle (20) is equipped with shock attenuation amortization subassembly, rotor (10) can support and press on the shock attenuation amortization subassembly, shock attenuation amortization subassembly includes:

The middle part of the top plate (40) is hinged to the baffle (20), and the rotary vane (10) can be pressed against one end of the outer end face of the top plate (40);

a compression assembly (1), the compression assembly (1) being disposed between one end of the inner end face of the top plate (40) and one end of the outer end face of the baffle plate (20);

the stretching assembly (2) is arranged between the other end of the inner end face of the top plate (40) and the other end of the outer end face of the baffle plate (20).

2. The silent lock according to claim 1, characterized in that said compression assembly (1) comprises:

A moving shaft (11), the moving shaft (11) being provided on an inner end surface of the top plate (40);

the spring (12) is arranged between the inner end face of the top plate (40) and the cylinder body (201) located on the outer end face of the baffle plate (20), and one end of the spring (12) is sleeved on the moving shaft (11);

The elastic cushion (13) is arranged on the bottom shaft (202) in the cylinder body (201), and the inner end of the moving shaft (11) can be pressed against the elastic cushion (13).

3. The silent lock according to claim 2, wherein a plurality of supporting bars (14) are embedded in the elastic pad (13), each supporting bar (14) comprises a base bar (141), a pair of protrusions (142) are arranged at the outer end of each base bar (141), a first groove (143) is formed in the inner end of each base bar (141), and a second groove (144) is formed in the bottom wall of each first groove (143).

4. A silent lock according to claim 3, characterized in that the stretching assembly (2) comprises:

the transverse plate of the door-shaped frame (21) is connected with the outer end face of the baffle plate (20);

the transverse plate of the T-shaped sliding plate (22) is in sliding fit with the inner cavity of the door-shaped frame (21);

one end of the tension spring (23) is hung on the vertical plate of the T-shaped sliding plate (22), and the other end of the tension spring (23) is hung on the inner end face of the top plate (40).

5. The silent lock according to claim 4, wherein the tension assembly (2) further comprises an end cap (24), the end cap (24) fits into the opening of the gantry (21), and the riser of the T-shaped sliding plate (22) fits into the end cap (24) in a sliding manner.

6. the silent lock according to claim 1, further comprising a linkage assembly (3), said linkage assembly (3) being disposed between the other end of the outer end face of said top plate (40) and an extension plate (301) located outside said latch connection post (30).

7. the silent lock according to claim 6, characterized in that said linkage assembly (3) comprises:

The rack (31) is arranged on the outer end face of the top plate (40), and the rack (31) is in sliding fit with the pair of guide seats (3011) on the extension plate (301);

The driving wheel (32) is arranged on the mounting plate (3012) on the inner end face of the extension plate (301), and the driving wheel (32) is meshed with the rack (31);

the driven wheel (33), the driven wheel (33) is arranged on the mounting plate (3012), and the driven wheel (33) is meshed with the driving wheel (32);

a first gear (34), the first gear (34) being disposed coaxially with the driven wheel (33);

One end of the swing rod (35) is pivoted on the first gear (34);

the second gear (36), the second gear (36) is meshed with the first gear (34), and the middle part of the swing rod (35) is pivoted on the second gear (36);

the third gear (37), the third gear (37) is meshed with the second gear (36), and the other end of the swing rod (35) is pivoted on the third gear (37);

a connecting rod (38), wherein one end of the connecting rod (38) is hinged on the other end of the swinging rod (35);

a fourth gear (39), wherein the fourth gear (39) is meshed with the third gear (37), and the other end of the connecting rod (38) is pivoted on the fourth gear (39);

one end of the rotating rod (4) is hinged to the other end of the connecting rod (38), and the other end of the rotating rod (4) is hinged to the mounting plate (3012).

8. A silent lock as claimed in claim 7, characterized in that the other end of the turning bar (4) is hinged to a mounting block (30121) on the mounting plate (3012).

Technical Field

The invention relates to the field of lock manufacturing, in particular to a silent lock.

Background

the lock is a sealing device, which includes lock, key and its accessories, and is generally explained as "sealing device which can be opened by key", at present, besides the lock can be opened by key, it can also be opened by light, electricity, magnetism, sound and fingerprint, etc.

Chinese patent CN 201520996432.2 discloses a silent lock, which comprises a panel, a shell component, a dead bolt component, a latch bolt component, a limiting block, a toggle block spring, a cover plate, a fourth rotary vane, a third rotary vane, a second rotary vane and a first rotary vane, wherein the most important thing is that structures such as a latch bolt support, a latch bolt lining and a latch bolt protective sleeve are also improved and designed; the pressure spring, the oblique tongue bracket and the mute piece are sleeved on the oblique tongue connecting column; the latch bolt connecting column is riveted with the latch bolt at the top by a pin; the mute piece is attached to the top of the baffle.

in the above patent document, in order to prevent the first rotary blade from directly contacting the baffle, the mute sheet is disposed on the top of the baffle, but the material, structure, etc. of the mute sheet are disclosed, so that the mute effect of the mute sheet cannot be determined, and it cannot be determined whether the first rotary blade may damage the mute sheet after contacting the mute sheet.

Disclosure of Invention

Technical problem to be solved

Aiming at the defects of the prior art, the invention provides the mute lock which is good in mute effect and long in service life.

(II) technical scheme

In order to achieve the purpose, the invention is realized by the following technical scheme:

the utility model provides a silence lock, includes oblique tongue subassembly and revolves the piece, the oblique tongue subassembly has baffle and oblique tongue spliced pole, wherein, the outer end of baffle is equipped with shock attenuation amortization subassembly, it can support to press to revolve the piece on the shock attenuation amortization subassembly, shock attenuation amortization subassembly includes:

The middle part of the top plate is hinged to the baffle plate, and the rotary sheet can be pressed against one end of the outer end face of the top plate;

The compression assembly is arranged between one end of the inner end face of the top plate and one end of the outer end face of the baffle plate;

and the stretching assembly is arranged between the other end of the inner end face of the top plate and the other end of the outer end face of the baffle plate.

Further, the compression assembly includes:

The moving shaft is arranged on the inner end face of the top plate;

The spring is arranged between the inner end face of the top plate and the cylinder body positioned on the outer end face of the baffle plate, and one end of the spring is sleeved on the moving shaft;

The elastic cushion is arranged on the bottom shaft in the cylinder body, and the inner end of the moving shaft can be pressed against the elastic cushion.

Furthermore, a plurality of supporting strips are embedded in the elastic cushion and comprise base strips, a pair of bulges is arranged at the outer ends of the base strips, first grooves are formed in the inner ends of the base strips, and second grooves are formed in the bottom walls of the first grooves.

Still further, the tension assembly includes:

the transverse plate of the door-shaped frame is connected with the outer end face of the baffle;

The transverse plate of the T-shaped sliding plate is in sliding fit with the inner cavity of the door-shaped frame;

and one end of the tension spring is hung on the vertical plate of the T-shaped sliding plate, and the other end of the tension spring is hung on the inner end face of the top plate.

Still further, the tension assembly further includes an end cap that mates with the opening of the gantry, and the riser of the T-slide plate is in sliding engagement with the end cap.

Further, the bolt connecting column comprises a linkage assembly, wherein the linkage assembly is arranged between the other end of the outer end face of the top plate and an extension plate positioned on the outer side of the bolt connecting column.

Still further, the linkage assembly includes:

The rack is arranged on the outer end face of the top plate and is in sliding fit with the pair of guide seats on the extension plate;

the driving wheel is arranged on the mounting plate on the inner end face of the extension plate and is meshed and connected with the rack;

the driven wheel is arranged on the mounting plate and is meshed and connected with the driving wheel;

The first gear is coaxially arranged with the driven wheel;

One end of the swing rod is pivoted on the first gear;

The second gear is meshed with the first gear, and the middle part of the swing rod is pivoted on the second gear;

The third gear is meshed with the second gear, and the other end of the swing rod is pivoted on the third gear;

one end of the connecting rod is hinged to the other end of the oscillating rod;

the fourth gear is meshed with the third gear, and the other end of the connecting rod is pivoted on the fourth gear;

And one end of the rotating rod is hinged to the other end of the connecting rod, and the other end of the rotating rod is hinged to the mounting plate.

Furthermore, the other end of the rotating rod is hinged on a mounting block on the mounting plate.

(III) advantageous effects

The invention has the beneficial effects that: because the damping and silencing assembly is arranged in the invention, the noise generated by the direct collision of the rotary sheet and the baffle can be prevented, the impact force generated by the rotary sheet to the baffle can be buffered, the service life of the baffle is prolonged, and the service life of the damper is further prolonged.

Drawings

fig. 1 is a partial structural schematic diagram of the present invention.

fig. 2 is a cross-sectional view taken along a-a of fig. 1.

Fig. 3 is an enlarged view at I in fig. 1.

fig. 4 is an enlarged view at H in fig. 3.

fig. 5 is a schematic structural view of the elastic pad of the present invention.

Fig. 6 is an enlarged view at G in fig. 3.

Fig. 7 is an enlarged view at K in fig. 3.

In the drawings: the rotary vane 10, the baffle 20, the cylinder 201, the bottom shaft 202, the latch connecting post 30, the extension plate 301, the guide seat 3011, the mounting plate 3012, the mounting block 30121, the top plate 40, the compression component 1, the moving shaft 11, the spring 12, the elastic pad 13, the supporting bar 14, the base strip 141, the protrusion 142, the first groove 143, the second groove 144, the tension component 2, the door-shaped frame 21, the T-shaped sliding plate 22, the tension spring 23, the end cover 24, the linkage component 3, the rack 31, the driving wheel 32, the driven wheel 33, the first gear 34, the swing rod 35, the second gear 36, the third gear 37, the connecting rod 38, the fourth gear 39 and the rotary rod 4.

Detailed Description

in order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions of the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings of specific embodiments of the present invention.

Referring to fig. 1 to 7, a silent lock as shown in fig. 1, 2 and 3 includes a latch bolt assembly and a rotary plate 10, the latch bolt assembly has a baffle 20 and a latch bolt connection post 30, the outer end of the baffle 20 is provided with a damping and silencing assembly, the rotary plate 10 can press against the damping and silencing assembly, the damping and silencing assembly includes a top plate 40, a compression assembly 1 and a tension assembly 2, the middle of the top plate 40 is hinged to the baffle 20, the rotary plate 10 can press against one end of the outer end surface of the top plate 40, the compression assembly 1 is disposed between one end of the inner end surface of the top plate 40 and one end of the outer end surface of the baffle 20, the tension assembly 2 is disposed between the other end of the inner end surface of the top plate 40 and the other end of the outer end surface of the baffle 20, and as the damping and silencing assembly is disposed in the silent lock, therefore, the noise generated by the direct collision of the rotary vane 10 and the baffle 20 can be prevented, the impact force generated by the rotary vane 10 to the baffle 20 can be buffered, the service life of the baffle 20 is prolonged, and the service life of the silent lock is further prolonged.

As shown in fig. 4, the compression assembly 1 includes a moving shaft 11, a spring 12 and an elastic pad 13, the moving shaft 11 is disposed on the inner end surface of the top plate 40, the spring 12 is disposed between the inner end surface of the top plate 40 and the cylinder 201 located on the outer end surface of the baffle 20, one end of the spring 12 is sleeved on the moving shaft 11, the elastic pad 13 is disposed on the bottom shaft 202 located in the cylinder 201, and the inner end of the moving shaft 11 can press against the elastic pad 13, when the top plate 40 is touched by the rotary plate 10, one end of the top plate 40 is lowered, and accordingly the moving shaft 11 moves down, the spring 12 is compressed, and when the top plate 40 touches the elastic pad 13, the moving shaft 11 compresses the elastic pad 13, so as to buffer the indirect impact force generated by the rotary plate 10 to the baffle 20, and prolong the service life of the silent lock.

as shown in fig. 5, a plurality of supporting strips 14 are embedded in the elastic cushion 13, each supporting strip 14 includes a base strip 141, a pair of protrusions 142 is disposed at an outer end of the base strip 141, a first groove 143 is disposed at an inner end of the base strip 141, and a second groove 144 is disposed at a bottom wall of the first groove 143, and since the plurality of supporting strips 14 are embedded in the elastic cushion 13, the rigidity of the elastic cushion 13 can be increased, the elastic cushion 13 is prevented from being excessively deformed, and the service life of the shock-absorbing and noise-reducing assembly is prolonged.

In the present embodiment, the cross-sectional shape of one of the protrusions 142 is an isosceles trapezoid, and the cross-sectional shape of the other protrusion 142 is a right trapezoid.

As shown in fig. 6, the stretching assembly 2 includes a door type frame 21, a T-shaped sliding plate 22, a tension spring 23 and an end cap 24, wherein a transverse plate of the door type frame 21 is connected to an outer end surface of the baffle plate 20, a transverse plate of the T-shaped sliding plate 22 is in sliding fit with an inner cavity of the door type frame 21, one end of the tension spring 23 is hung on a vertical plate of the T-shaped sliding plate 22, the other end of the tension spring 23 is hung on an inner end surface of the top plate 40, the end cap 24 is matched with an opening of the door type frame 21, and the vertical plate of the T-shaped sliding plate 22 is in sliding fit with the end cap 24, when the rotary plate 10 rotates down to touch the top plate 40, the other end of the top plate 40 is lifted, so that the tension spring 23 is extended to move the T-shaped sliding plate 22 upward, and the indirect impact force of.

as shown in fig. 3 and 7, the vibration damping and noise reduction assembly further includes a linkage assembly 3, the linkage assembly 3 is disposed between the other end of the outer end surface of the top plate 40 and the extension plate 301 located outside the tongue connecting post 30, the linkage assembly 3 includes a rack 31, a driving wheel 32, a driven wheel 33, a first gear 34, a swing link 35, a second gear 36, a third gear 37, a connecting rod 38, a fourth gear 39 and a rotating rod 4, the rack 31 is disposed on the outer end surface of the top plate 40, the rack 31 is in sliding fit with a pair of guide seats 3011 on the extension plate 301, the driving wheel 32 is disposed on a mounting plate 3012 located on the inner end surface of the extension plate 301, the driving wheel 32 is connected with the rack 31 in a meshing manner, the driven wheel 33 is disposed on the mounting plate 3012, the driven wheel 33 is connected with the driving wheel 32 in a meshing manner, the first gear 34 is disposed coaxially with the driven wheel 33, one end of the swing link 35 is pivoted on the first gear 34, the second gear 36 is meshed with the first gear 34, the middle part of the swing link 35 is pivoted on the second gear 36, the third gear 37 is meshed with the second gear 36, the other end of the swing link 35 is pivoted on the third gear 37, one end of the connecting rod 38 is hinged on the other end of the swing link 35, the fourth gear 39 is meshed with the third gear 37, the other end of the connecting rod 38 is pivoted on the fourth gear 39, one end of the rotating rod 4 is hinged on the other end of the connecting rod 38, the other end of the rotating rod 4 is hinged on the mounting block 30121 on the mounting plate 3012, when the rotary vane 10 rotates to touch the top plate 40, the other end of the top plate 40 is lifted, the rack 31 is lifted, and the driving wheel 32 is driven to rotate, the driving wheel 32 drives the driven wheel 33 to rotate, the driven wheel 33 drives the driven wheel 33 to rotate, the swing rod 35 is driven to swing, the second gear 36 and the third gear 37 are driven to rotate and swing, the fourth gear 39 rotates under the action of the connecting rod 38, the rotating rod 4 is driven to rotate around the mounting block 30121, and indirect impact force generated by the rotary piece 10 on the baffle 20 is further buffered.

it should be noted that the described embodiments of the invention are only preferred ways of implementing the invention, and that all obvious modifications, which are within the scope of the invention, are all included in the present general inventive concept.