CN-110939318-B - Pressing unlocking mechanism

CN110939318BCN 110939318 BCN110939318 BCN 110939318BCN-110939318-B

Abstract

The invention discloses a pressing unlocking mechanism which comprises a door lock inner shroud plate, a square bar seat, an inner handle, an unlocking rod, a central swing arm and a transmission mechanism, wherein the square bar seat can be rotatably arranged on the inner side of the door lock inner shroud plate, the square bar seat can realize the telescopic locking or unlocking of a door lock square tongue and an inclined tongue, the central swing arm can swing around a pivot on the door lock inner shroud plate and is arranged on the door lock inner shroud plate, the inner handle is fixedly arranged on the outer side surface of the door lock inner shroud plate, the unlocking rod can be slidably arranged on the inner handle, one end of the unlocking rod can be exposed out of the inner handle, the other end of the unlocking rod can drive one end of the central swing arm to swing in a reciprocating manner, and the other end of the central swing arm can drive the square bar seat to rotate in a reciprocating manner through the transmission mechanism.

Inventors

ZHANG LINFENG
PAN LIANG

Assignees

苏州琨山通用锁具有限公司
苏州琨山通用锁具有限公司

Dates

Publication Date: 20260421
Application Date: 20191223
Priority Date: 20191223

Claims (4)

1. The utility model provides a press unlocking mechanism, includes shroud plate (6) and square strip seat (9) in the lock, and square strip seat can pivoted install in the door lock inboard of shroud plate, and square strip seat positive and negative rotation can realize lock square tongue and oblique tongue flexible lock door or open the door, its characterized in that: the door lock is characterized by further comprising an inner handle, an opening rod (1), a central swinging arm (4) and a transmission mechanism, wherein the central swinging arm can swing around a pivot on the door lock inner shroud, the inner handle is fixedly arranged on the outer side surface of the door lock inner shroud, the opening rod can be slidably arranged on the inner handle, one end of the opening rod can be exposed out of the outer side of the inner handle, the other end of the opening rod can drive one end of the central swinging arm to swing reciprocally, the other end of the central swinging arm can drive a square bar seat to rotate reciprocally through the transmission mechanism, the transmission rod (2) is further arranged, one end of the transmission rod is fixedly arranged on the opening rod, the other end of the transmission rod is tightly abutted to one side wall of the central swinging arm along the swinging unlocking direction of the central swinging arm in a line contact mode, the distance from the contact point of the central swinging arm to the rotation pivot of the transmission rod is different from the contact point of the central swinging arm to the contact point of the transmission mechanism, a reset elastic piece (10) is further arranged, the reset elastic piece is arranged on the inner handle, one end of the opening rod can be exposed out of the central elastic arm, the elastic holding force is kept to be pressed, the inner side of the inner swinging arm is arranged on the inner shroud, the inner side wall is communicated with the inner side of the door lock, the inner side wall is radially provided with the inner side wall of the inner side of the central swinging arm, the inner side of the central swinging arm is in a clearance is formed between the inner side of the opposite inner side wall and the inner side of the door lock, and the inner side cover is opposite to the inner side of the inner side wall, and the inner side wall is arranged in a radial clearance, the door lock inner shroud plate is characterized in that two pressing blocks (5) are fixedly installed on the inner side wall of the door lock inner shroud plate, a space for inserting two outer convex baffle plates on the center swing arm is formed between the pressing blocks and the inner side wall of the door lock inner shroud plate, the inner handle comprises a handle body (12) and a handle cover (3), a slide way for sliding an opening rod is formed on the handle body, a limit column (11) is further arranged on the slide way, the opening rod can be slidably inserted into the slide way of the handle body, a strip hole extending along the sliding direction of the opening rod is formed in the opening rod, the limit column can be inserted into the strip hole on the opening rod in a relative sliding mode, the handle cover covers the surface of the handle body, the opening rod is clamped between the handle body and the handle cover, and a connecting screw is further arranged on the handle cover and is in threaded connection with the limit column on the handle body.
2. The pressing unlocking mechanism according to claim 1, wherein the transmission mechanism comprises a gear and a rack (8), the gear is coaxially connected with the square bar seat, the rack can be arranged on the inner side wall of the inner shroud plate of the door lock in a reciprocating sliding manner along a straight line, the gear is meshed with the rack for transmission, and the reciprocating motion of the other end of the central swing arm can stir the rack to slide in a reciprocating manner.
3. The push unlocking mechanism according to claim 2, wherein the transmission mechanism further comprises a slider (7) fixedly mounted on one end of the rack, and the slider is connected with the other end of the central swing arm in a hinged manner capable of sliding along a direction perpendicular to the sliding direction of the slider.
4. The push unlocking mechanism as set forth in claim 1, wherein the push portion of the opening lever exposed to the outside of the inner handle forms an arc surface.

Description

Pressing unlocking mechanism Technical Field The invention relates to an intelligent door lock, in particular to a pressing unlocking mechanism. Background The conventional intelligent door lock is unlocked by turning the door handle, so that the intelligent door lock is inconvenient to use and consumes effort, and particularly, the intelligent door lock is difficult to unlock conveniently and quickly when the user holds an article on hand. Disclosure of Invention "Font Definitions/@ Font-face { Font-face: song Ti ; panose-1:2 1 6 0 3 1 1 1 1 1; mso-font-alt:SimSun; mso-font-charset:134; mso-generic-font-family:auto; mso-font-pitch:variable; mso-font-signature:515 680460288 22 0 262145 0;} @font-face {font-family:"Cambria Math"; panose-1:2 4 5 3 5 4 6 3 2 4; mso-font-charset:1; mso-generic-font-family:roman; mso-font-format:other; mso-font-pitch:variable; mso-font-signature:0 0 0 0 0 0;} @font-face {font-family:"\@ Song Ti "; panose-1:2 1 6 0 3 1 1 1 1 1; mso-font-charset:134; mso-generic-font-family:auto; mso-font-pitch:variable; mso-font-signature:515 680460288 22 0 262145 0;} /* Style Definitions */ p.MsoNormal, li.MsoNormal, div.MsoNormal {mso-style-unhide:no; mso-style-qformat:yes; mso-style-parent:""; margin:0cm; margin-bottom:.0001pt; text-align:justify; text-justify:inter-ideograph; mso-pagination:none; font-size:10.5pt; mso-bidi-font-size:12.0pt; font-family:"Times New Roman","serif"; mso-fareast-font-family: Song Ti ; mso-font-kerning:1.0pt;} .MsoChpDefault {mso-style-type:export-only; mso-default-props:yes; font-size:10.0pt; mso-ansi-font-size:10.0pt; mso-bidi-font-size:10.0pt; mso-ascii-font-family:"Times New Roman"; mso-fareast-font-family: Song Ti ; mso-hansi-font-family:"Times New Roman"; mso-font-kerning:0pt;} /* Page Definitions */ @page {mso-page-border-surround-header:no; mso-page-border-surround-footer:no;} @page WordSection1 {size:612.0pt 792.0pt; margin:72.0pt 90.0pt 72.0pt 90.0pt; mso-header-margin:36.0pt; mso-footer-margin:36.0pt; mso-paper-source:0;} div.WordSection1 {page:WordSection1;} --> In order to overcome the defects, the invention provides a pressing unlocking mechanism which can start a door lock by pressing, is convenient to use and saves the strength. The technical scheme includes that the pressing unlocking mechanism comprises a door lock inner shroud plate and a square bar seat, wherein the square bar seat can be rotatably arranged on the inner side of the door lock inner shroud plate, the square bar seat can rotate positively and negatively to achieve door lock square tongue and inclined tongue telescopic locking or unlocking, the pressing unlocking mechanism further comprises an inner handle, an unlocking rod, a central swinging arm and a transmission mechanism, the central swinging arm can swing around a pivot on the door lock inner shroud plate and is arranged on the door lock inner shroud plate, the inner handle is fixedly arranged on the outer side surface of the door lock inner shroud plate, the unlocking rod can be slidably arranged on the inner handle, one end of the unlocking rod can be exposed out of the inner handle, the other end of the unlocking rod can drive one end of the central swinging arm to swing in a reciprocating manner, and the other end of the central swinging arm can drive the square bar seat to rotate in a reciprocating manner through the transmission mechanism. As a further improvement of the invention, the transmission mechanism comprises a gear and a rack, the gear is coaxially connected with the square bar seat, the rack can be arranged on the inner side wall of the door lock inner shroud plate in a straight reciprocating sliding manner, the gear is meshed with the rack for transmission, and the reciprocating motion of the other end of the central swing arm can stir the rack to slide in a reciprocating manner. As a further improvement of the invention, the transmission mechanism further comprises a sliding block, wherein the sliding block is fixedly arranged at one end of the rack, and the sliding block is connected with the other end of the central swing arm in a hinged manner, and the sliding block can slide along the sliding direction of the vertical sliding block. As a further improvement of the invention, the door lock inner shroud plate is provided with a through hole for communicating the inner side with the outer side, the central swing arm is arranged in the through hole in a penetrating way, and a set gap exists between the circumferential outer side surface of the central swing arm and the inner side wall of the through hole. As a further improvement of the invention, the central swing arm is positioned on two opposite side walls of one end of the inner side of the door lock inner shroud plate to form radial outer convex baffle plates, two pressing blocks are fixedly arranged on the inner side wall of the door lock inner shroud plate, and a space for inserting the two outer convex baffle plates on the central swing arm is formed