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CN-224228391-U - Reversible clutch for electronic lock

CN224228391UCN 224228391 UCN224228391 UCN 224228391UCN-224228391-U

Abstract

The utility model discloses a reversible clutch for an electronic lock, which comprises a shell, a movable core, a fixed core, a pin bush, a movable pin and a tower spring, wherein the center of the shell is of an annular structure, a boss is arranged at the top of the outer wall of the shell, mounting holes penetrating through the inner wall of the shell are formed in the boss, step parts are formed in the inner walls of the two ends of the shell, the movable core and the fixed core are respectively arranged at the two ends of the shell, the pin bush is arranged in the mounting holes of the boss of the shell, a baffle ring is arranged at the front end of the movable pin, the tower spring is arranged at the rear end of the movable pin, and the front end of the movable pin extends out of the pin bush and the shell. The clutch housing is internally provided with the structure, and the movable core and the fixed core of the split type matched variable-cross-section cylindrical structure can meet the use in different door opening directions by changing the positions of the movable core and the fixed core under the condition that the housing is not dismounted in the lock housing, so that the clutch housing has wide application range, simplifies the manufacture of production dies and saves the production cost.

Inventors

  • GUO BAOXUAN

Assignees

  • 郭保宣

Dates

Publication Date
20260512
Application Date
20250428

Claims (5)

  1. 1. The reversing clutch for the electronic lock is characterized by comprising a shell, a movable core, a fixed core, a pin sleeve, a movable pin and a tower spring; the center of the shell is of an annular structure, a pull rod shifting arm and a clamping plate shifting arm which are used for matching the clutch with the lock body pull rod and the clamping plate are arranged on the outer wall of the shell, a boss is arranged at the top of the outer wall of the shell, a mounting hole penetrating to the inner wall of the shell is arranged on the boss, and a limit convex edge is arranged on the inner wall of the shell opposite to the mounting hole; The movable core and the fixed core are respectively arranged at two ends of the shell, and are of variable-cross-section cylindrical structures matched with an inner hole of the shell, countersunk square grooves matched with a handle square rod of the lock body are arranged in the centers of the outer end surfaces of the movable core and the fixed core, the inner end of the movable core is provided with an arc-shaped rotating block matched with the inner hole of the shell, and the chord surface of the arc-shaped rotating block is matched with a limit convex rib on the inner wall of the shell; The pin bush is arranged in the mounting hole of the shell boss, the front end of the movable pin is provided with a baffle ring, the tower spring is arranged at the rear end of the movable pin, and the front end of the movable pin extends out of the pin bush and the shell.
  2. 2. The reversible clutch for electronic lock of claim 1, wherein the clamping plate shifting arm is flush with the front and rear end surfaces of the housing, the pull rod shifting arm is arranged on one side close to the rear end surface of the housing, and the outer ends of the clamping plate shifting arm and the pull rod shifting arm are respectively provided with an arc-shaped extension part.
  3. 3. The reversible clutch for electronic lock of claim 1, wherein the outer end surface of the movable core is provided with a limit bump, and the limit bump is matched with a fan-shaped groove arranged on the lock body shell for assembling and limiting the movable core and the lock body shell.
  4. 4. The reversible clutch for electronic lock of claim 1, wherein the rear side annular surfaces of the outer end surfaces of the movable core and the fixed core are positioned on an arc-shaped supporting table on the end surface of the shell, a threaded hole penetrating the movable core is arranged in the center of a countersunk square groove of the movable core, a through hole penetrating the fixed core is arranged in the center of the fixed core countersunk square groove, and a screw penetrates the through hole of the fixed core and is arranged in the threaded hole in the center of the movable core to install the movable core and the fixed core on two ends of the shell.
  5. 5. The reversible clutch for electronic lock of claim 1, wherein the front end of the movable pin is of a hemispherical structure.

Description

Reversible clutch for electronic lock Technical Field The utility model relates to the technical field of electronic locks, in particular to a reversible clutch for an electronic lock. Background The clutch component in the traditional lock body is only a simple mechanical component capable of being controlled by the small motor gear set to move the clutch pin, the traditional clutch is matched with the pull rod, the clamping plate and the large main lock tongue carriage through rotation of the lock body handle to drive the main lock tongue to move, and after the traditional clutch is fixed in structure, the traditional clutch has directivity, is required to correspond to the left-right and inner-outer opening directions of a door during assembly, and has high limitation and low suitability. Disclosure of Invention The utility model aims to overcome the defects of the prior art and provide a reversible clutch for an electronic lock, which can change the direction and is suitable for various occasions. The technical scheme adopted by the utility model is as follows: a reversible clutch for an electronic lock comprises a shell, a movable core, a fixed core, a pin sleeve, a movable pin and a tower spring; the center of the shell is of an annular structure, a pull rod shifting arm and a clamping plate shifting arm which are used for matching the clutch with the lock body pull rod and the clamping plate are arranged on the outer wall of the shell, a boss is arranged at the top of the outer wall of the shell, a mounting hole penetrating to the inner wall of the shell is arranged on the boss, and a limit convex edge is arranged on the inner wall of the shell opposite to the mounting hole; The movable core and the fixed core are respectively arranged at two ends of the shell, and are of variable-cross-section cylindrical structures matched with an inner hole of the shell, countersunk square grooves matched with a handle square rod of the lock body are arranged in the centers of the outer end surfaces of the movable core and the fixed core, the inner end of the movable core is provided with an arc-shaped rotating block matched with the inner hole of the shell, and the chord surface of the arc-shaped rotating block is matched with a limit convex rib on the inner wall of the shell; The pin bush is arranged in the mounting hole of the shell boss, the front end of the movable pin is provided with a baffle ring, the tower spring is arranged at the rear end of the movable pin, and the front end of the movable pin extends out of the pin bush and the shell. Specifically, both ends face parallel and level sets up around cardboard shifting arm and the casing, the pull rod shifting arm sets up on being close to one side of casing rear end face, the outer end that cardboard shifting arm and pull rod shifting arm all is provided with arc extension. Specifically, the outer end surface circumference of the movable core is provided with a limit lug which is matched with a fan-shaped groove arranged on the lock body shell and used for assembling and limiting the movable core and the lock body shell. Specifically, the rear side ring surface of the outer end surfaces of the movable core and the fixed core is positioned on an arc-shaped supporting table on the end surface of the shell, a threaded hole penetrating the movable core is formed in the center of a countersunk square groove of the movable core, a through hole penetrating the fixed core is formed in the center of the fixed core countersunk square groove, and a screw penetrates the through hole of the fixed core and is arranged in the threaded hole in the center of the movable core to install the movable core and the fixed core on two ends of the shell. Specifically, the front end of the movable pin is of a hemispherical structure. By adopting the technical scheme, the utility model has the following advantages: The clutch housing is internally provided with the structure, and the movable core and the fixed core of the split type matched variable-cross-section cylindrical structure can meet the use in different door opening directions by changing the positions of the movable core and the fixed core under the condition that the housing is not dismounted in the lock housing, so that the clutch housing has wide application range, simplifies the manufacture of production dies and saves the production cost. Drawings Fig. 1 is an exploded view of the present utility model. Fig. 2 is a front view of the housing of the present utility model. Figure 3 is a cross-sectional view A-A of figure 2 according to the present utility model. Fig. 4 is a schematic view of the inner end face direction of the moving core of the present utility model. Fig. 5 is a schematic view of the inventive centering structure. Fig. 6 is a schematic view of the utility model installed in a lock body. In the figure, the device comprises a 1-shell, a 11-pull rod pulling arm, a 12-clamping plate pulling arm, a 13-mo