CN-224213931-U - Labor-saving lockset

CN224213931UCN 224213931 UCN224213931 UCN 224213931UCN-224213931-U

Abstract

The utility model discloses a labor-saving lockset which comprises a lock shell, a lock cylinder shifting wheel, a lock tongue assembly and a linkage assembly, wherein the lock tongue assembly comprises a main supporting plate and a main lock tongue, the linkage assembly comprises a first shifting plate for executing unlocking action and a second shifting plate for executing locking action, a first rotating piece is hinged to the first shifting plate, a second rotating piece is hinged to the second shifting plate, the linkage assembly further comprises a supporting plate linkage piece in linkage fit with the main supporting plate, an inserting piece is arranged on the supporting plate linkage piece, a first inserting slot matched with the inserting piece is formed in the main supporting plate, a second inserting slot matched with the inserting piece is formed in the second rotating piece, a stress pin is further arranged on the supporting plate linkage piece in a protruding mode, and a first force applying arm matched with the stress pin is arranged on the first rotating piece. The linkage components are arranged in groups, so that the limit of the forward rotation and reverse rotation angles of the lock cylinder shifting wheel is eliminated, the lock cylinder shifting wheel can realize large-angle rotation, and unlocking and locking are more labor-saving.

Inventors

WANG CHENG
YUAN PENGCHENG
Qian Xuejiu
CHEN YUXU
LI HUA
LI JING
CHEN ZHENHU

Assignees

忠恒集团有限公司

Dates

Publication Date: 20260508
Application Date: 20250411

Claims (10)

1. A labor-saving lock comprises a lock shell, a lock cylinder thumb wheel, a lock tongue assembly and a linkage assembly, wherein the lock cylinder thumb wheel, the lock tongue assembly and the linkage assembly are assembled in the lock shell, the labor-saving lock is characterized in that the lock tongue assembly comprises a main supporting plate and a main lock tongue assembled above the main supporting plate, the linkage assembly comprises a first shifting plate for executing unlocking action and a second shifting plate for executing locking action, a first stress structure matched with the lock cylinder thumb wheel is arranged on the first shifting plate, a second stress structure matched with the lock cylinder thumb wheel is arranged on the second shifting plate, a first rotating piece is hinged on the first shifting plate, a second rotating piece is hinged on the second shifting plate, the linkage assembly further comprises a supporting plate linkage piece in linkage with the main supporting plate, an inserting piece is arranged on the supporting plate linkage piece, a first inserting slot matched with the inserting piece is arranged on the main supporting plate, a stress pin is further arranged on the second rotating piece in a protruding mode, and a first force applying piece matched with the stress pin is arranged on the first rotating piece.
2. The labor-saving lock according to claim 1, wherein the lock cylinder thumb wheel is provided with a poking block in a protruding manner, the first stress structure is located on a forward rotating track of the poking block, and the second stress structure is located on a reverse rotating track of the poking block.
3. The labor-saving lock according to claim 2, wherein the first shifting plate and the second shifting plate are respectively arranged at two sides of the lock cylinder shifting wheel, the first stress structure is a first stress piece formed at the end part of the first shifting plate, the first stress piece extends towards the lock cylinder shifting wheel, and the second stress structure is a second stress piece vertically arranged at the end part of the second shifting plate.
4. The labor-saving lockset according to claim 3, wherein the first rotating member comprises a first rotating portion, the first force applying arm is arranged on the periphery of the first rotating portion in a protruding mode, a first hinge arm which is hinged with the first shifting plate in a rotating mode is further arranged on the periphery of the first rotating portion in a protruding mode, and a first rotating hole is formed in the center of the first rotating portion.
5. The labor-saving lock according to claim 4, wherein the pallet linkage has a first end angle and a second end angle, the insert and the force pin are both disposed at the first end angle, and the second end angle is provided with a second pivot hole.
6. The labor-saving lock according to claim 5, wherein a pin is fixedly arranged on the lock shell, the pin is arranged in the first rotating hole and the second rotating hole in a penetrating manner, and the first rotating piece and the supporting plate linkage piece rotate by taking the pin as a rotating center.
7. The labor-saving lock according to any one of claims 1 to 6, wherein the lock tongue assembly further comprises a bevel tongue and a supporting rod fixedly arranged on the bevel tongue, a handle shifting wheel and a handle linkage wheel which are sleeved on a handle shaft are further arranged in the lock shell, the handle shifting wheel comprises a first main body wheel which is in clutch fit with the handle shaft, a shifting piece and a linkage piece which are arranged on the periphery of the first main body wheel in a protruding mode, and the shifting piece extends towards the supporting rod and is matched with a blocking piece at the bottom of the supporting rod.
8. The labor-saving lock according to claim 7, wherein the linkage piece is provided with an arc-shaped groove, the first shifting plate is provided with a linkage pin matched with the linkage piece, and the linkage pin is arranged at the end part of the arc-shaped groove in a penetrating manner.
9. The labor-saving lock according to claim 8, wherein the handle linkage wheel comprises a second main body wheel which is in clutch fit with the handle shaft, and a swing arm which is arranged on the periphery of the second main body wheel in a protruding mode, and a handle linkage plate for realizing linkage of the handle and the bolt supporting plate is arranged between the handle linkage wheel and the second rotating piece.
10. The labor-saving lock according to claim 9, wherein the handle linkage plate comprises a first linkage arm and a second linkage arm, the engagement position of the first linkage arm and the second linkage arm is an obtuse angle, the end of the first linkage arm is hinged with the swing arm, and the end of the second linkage arm is hinged with the second rotating member.

Description

Labor-saving lockset Technical Field The utility model belongs to the technical field of locks, and particularly relates to a labor-saving lock. Background The lock includes spring bolt subassembly, linkage subassembly and lock core thumb wheel more, and the cooperation through lock core thumb wheel and linkage subassembly controls the spring bolt and removes, realizes unlocking and shutting, and linkage subassembly includes the plectrum with lock core thumb wheel direct fit, and current lock linkage subassembly sets up a plectrum more, for realizing the positive and negative cooperation of lock core thumb wheel and plectrum, and the positive rotation reverse angle of lock core thumb wheel is all limited in a less within range, can't realize big angle rotation, leads to unlocking and shutting laboriously. Disclosure of Invention The utility model provides a labor-saving lockset aiming at the problem of laborious unlocking and locking of the lockset in the prior art. The utility model aims at realizing the following technical scheme: a labor-saving lock comprises a lock shell, a lock cylinder shifting wheel, a lock tongue assembly and a linkage assembly, wherein the lock cylinder shifting wheel, the lock tongue assembly and the linkage assembly are assembled in the lock shell, the lock tongue assembly comprises a main supporting plate and a main lock tongue assembled above the main supporting plate, the linkage assembly comprises a first shifting plate for executing unlocking action and a second shifting plate for executing locking action, a first stress structure matched with the lock cylinder shifting wheel is arranged on the first shifting plate, a second stress structure matched with the lock cylinder shifting wheel is arranged on the second shifting plate, a first rotating piece is hinged to the first shifting plate, a second rotating piece is hinged to the second shifting plate, the linkage assembly further comprises a supporting plate linkage piece in linkage fit with the main supporting plate, an inserting piece is arranged on the supporting plate linkage piece, a first inserting slot matched with the inserting piece is arranged on the main supporting plate, a second inserting slot matched with the inserting piece is arranged on the second rotating piece, a stress pin is further arranged on the first rotating piece in a protruding mode, and a first force applying arm matched with the stress pin is arranged on the first rotating piece. Preferably, the lock cylinder shifting wheel is provided with a shifting block in a protruding mode, the first stress structure is located on a forward rotation track of the shifting block, and the second stress structure is located on a reverse rotation track of the shifting block. Preferably, the first shifting plate and the second shifting plate are respectively arranged at two sides of the lock cylinder shifting wheel, the first stress structure is a first stress piece formed at the end part of the first shifting plate, the first stress piece extends towards the lock cylinder shifting wheel, and the second stress structure is a second stress piece vertically arranged at the end part of the second shifting plate. Preferably, the first rotating member comprises a first rotating portion, the first force application arm is arranged on the periphery of the first rotating portion in a protruding mode, a first hinge arm which is hinged with the first shifting plate in a rotating mode is further arranged on the periphery of the first rotating portion in a protruding mode, and a first rotating hole is formed in the center of the first rotating portion. Preferably, the pallet linkage has a first end angle and a second end angle, the insert and the force pin are both disposed at the first end angle, and the second end angle is provided with a second rotation hole. Preferably, a pin shaft is fixedly arranged on the lock shell, the pin shaft penetrates through the first rotating hole and the second rotating hole, and the first rotating piece and the supporting plate linkage piece rotate by taking the pin shaft as a rotating center. Preferably, the lock tongue assembly further comprises an inclined tongue and a supporting rod fixedly arranged on the inclined tongue, a handle shifting wheel and a handle linkage wheel which are sleeved on a handle shaft are further arranged in the lock shell, the handle shifting wheel comprises a first main body wheel which is in clutch fit with the handle shaft, a shifting piece and a linkage piece which are arranged on the periphery of the first main body wheel in a protruding mode, and the shifting piece extends towards the supporting rod and is matched with a blocking piece at the bottom of the supporting rod. Preferably, the linkage piece is provided with an arc-shaped groove, the first shifting plate is provided with a linkage pin matched with the linkage piece, the linkage pin is arranged at the end part of the arc-shaped groove in a penetra