CN211647700U - Blade padlock - Google Patents

Abstract

The utility model provides a blade padlock belongs to lock technical field, especially is fit for not blade padlock and uses. This lock is in having lock hook slewing mechanism and rotary type boss connection structure that opens and shuts, because both mutually support at the process of unblanking, make blade padlock unblank the back key and can take out from the keyhole, solve the shortcoming that present blade lock will "stay the key" after unblanking, simultaneously, replace the less retaining member of former blade lock with the big steel ball, increased retaining member intensity, strengthen the theftproof nature of lock greatly.

Description

Blade padlock

Technical Field

The utility model provides a blade padlock belongs to lock technical field, is particularly suitable for the blade padlock use that does not "keep the spoon".

Background

The lock is of various types, wherein the padlock is a commonly used lockset and is an essential article for all walks of life and home furnishing. The blade padlock in the padlock has long use history, wide application and high yield. Present blade padlock, by the latch hook, the retaining member, the lock body, blade and set bar are constituteed, weak point a bit in the use, 1, the lock is opened the back, the key still will be stayed in the keyhole, because the lock hook of lock core direct control lock open (lock) and close (lock), the key is unblanked the back, because the lock core can not reverse by the retaining member chucking, so the key can not be taken away, still stay in the keyhole, lock the trade calls this situation to be "stay the key", only can take out the key after the shutting, bring inconvenience for the user, 2, because of receiving the influence of structure and spatial position, the retaining member of locking the latch hook is less, break away from the latch hook under violence is strikeed easily, the theftproof performance is lower.

Disclosure of Invention

The utility model aims at overcoming the defect that a 'key-retaining' is needed when a blade lock is used and improving the anti-theft performance of the lock.

The technical scheme of the utility model be, change the mode that opens and shuts of current blade padlock lock core direct control latch hook, but have a slewing mechanism between lock core and latch hook, this mechanism can rotate the lock core of unblanking and turn into the rotation of self and open the latch hook, does not influence the return rotation of lock core again, so can take out the key from the keyhole.

The utility model provides a blade padlock, by the latch hook, the lock core, a lock body, blade and set bar are constituteed, its characterized in that has the latch hook slewing mechanism that opens and shuts, the latch hook slewing mechanism that opens and shuts is by the retaining member, the torsional spring, the setting element is constituteed, the retaining member is a cylinder, the retaining member has circular arc recess and locking steel ball and the steel ball sliding fit that opens and shuts at upper cylinder symmetric position, the setting element is installed at retaining member lower part cylinder, the torsional spring both ends are fixed respectively at retaining member lower part cylinder and setting element, retaining member lower part cylinder terminal surface is boss formula rotation connection structure with lock core top end face, boss formula: the end face of the top of the lock core is distributed with a convex core boss with the same structure, the end face of the cylinder at the lower part of the locking piece is also distributed with a convex opening and closing boss, and the core boss and the opening and closing boss are mutually matched and can rotate for a certain angle.

The blade padlock is characterized in that a core boss of the boss type rotating connection structure is a sector boss which is centrosymmetric, and an opening-closing boss is a part of boss in a cylinder at the lower part of the locking part through the center of a circle.

The blade padlock is characterized in that the positioning part is provided with a raised positioning fan-shaped boss which is centrosymmetric.

The utility model discloses a lock hook slewing mechanism that opens and shuts replaces the mode of original blade lock core direct control lock that opens and shuts, makes the lock core can return the rotation and take out the key after unblanking, solves the shortcoming that will leave the key after current blade lock unblanked, simultaneously, replaces the retaining member of former blade lock with big steel ball, and intensity, the performance of big steel ball improve greatly than former retaining member intensity, performance, and the security performance, the theftproof nature of lock are strengthened greatly.

Drawings

FIG. 1 is an assembly view of a paddle padlock with an opening and closing shackle rotating mechanism;

fig. 2 is an assembly view of the opening and closing latch hook rotating mechanism;

fig. 3 is an exploded view of the opening and closing latch hook rotating mechanism;

FIG. 4 is a view of a positioning member;

FIG. 5 is a front view of the retaining member;

FIG. 6 is a bottom view of the retaining member;

FIG. 7 is a front view of the lock cylinder;

FIG. 8 is a top view of the lock cylinder;

the reference numbers in the figures denote: the locking device comprises a locking hook 1, a locking piece 2, a locking steel ball 3a, an opening and closing steel ball 3b, a torsion spring 4, a compression spring 5, a key 6, a positioning piece 7, a lock core 8, a lock bolt 9, a movable blade 10, a fixed blade 11, a lock body 12, a tail cover 13, an arc groove 14a, an arc groove 14b, a locking piece groove 15, a hole 16, a core boss 17, an opening and closing boss 18, a positioning fan-shaped boss 19 and a lock core end face 20.

Detailed Description

The blade padlock (figure 1) consists of a lock hook 1, a locking part 2, a torsion spring 4, a compression spring 5, a key 6, a positioning part 7, a lock cylinder 8, a lock bolt 9, a movable blade 10, a fixed blade 11, a lock body 12 and a tail cover 13; the opening and closing lock hook rotating mechanism (figures 2 and 3) of the blade padlock consists of a locking part 2 (figure 6), a torsion spring 4 (figure 3) and a positioning part 7 (figure 4); the retaining member is a cylinder (fig. 5), retaining member upper portion cylinder has circular arc recess 14a and lock hook locking steel ball 3a sliding fit and circular arc recess 14b and locking steel ball 3b sliding fit (fig. 6) at the symmetric position, torsional spring 4 is installed between retaining member lower part and setting element 7 (fig. 2), 4 one ends of torsional spring inject the groove 15 of retaining member lower part (fig. 5), and the other end inserts the hole 16 (fig. 4) of setting element 7, 2 lower parts of retaining member are boss formula rotation connection structure (fig. 3 with 8 terminal surfaces 20 of lock core (fig. 3, 6, 7, 8), boss formula rotation connection structure comprises core boss 17 (fig. 8) and the boss 18 (fig. 6) that opens and shuts: the top end face 9 of the lock core (figure 7) is distributed with a core boss 17 (figure 8) with the same structure, the end face of the cylinder at the lower part of the locking piece is also distributed with an opening-closing boss 18, and the core boss and the opening-closing boss are matched with each other and can rotate for a certain angle. The core boss is a sector boss (figure 8) which is centrosymmetric, and the opening-closing boss 18 is a part of the boss (figures 5 and 6) in the lower cylinder of the locking piece passing through the center of a circle.

When the blade-type padlock is used, the lock core 8 is rotated by the key 6, the core boss 17 (figure 8) on the lock core drives the opening and closing boss 18 of the locking part 2 to rotate, the positioning fan-shaped boss 19 (figure 4) on the positioning part 7 limits the positioning part 7 not to rotate along with the positioning part, therefore, the torsion spring 4 (figures 2 and 3) stores energy under the action of torsion force, when the arc groove 14a reaches the position of the steel ball 3a, the steel ball 3a leaves the groove of the lock hook and enters the arc groove 14a, the lock hook is upwards ejected out by the compression spring 5, the steel ball 3b enters the arc groove 14b, the lock is in an open state, the lock core can rotate as the lock core is not contacted with the steel ball and is not limited by the steel ball, and at the moment, the key can be taken out; if the lock needs to be closed, the locking hook 1 is pressed downwards to press the steel ball 3b to gradually enter the arc groove 14b, the steel ball 3b applies force to the arc groove 14b to enable the locking piece 2 to rotate correspondingly, the arc groove 14a of the locking piece 2 pushes the locking steel ball 3a to the groove of the locking hook, and the lock is closed.

Claims (3)

1. The utility model provides a blade padlock, by the latch hook, the lock core, a lock body, blade and set bar are constituteed, its characterized in that has the latch hook slewing mechanism that opens and shuts, the latch hook slewing mechanism that opens and shuts is by the retaining member, the torsional spring, the setting element is constituteed, the retaining member is a cylinder, the retaining member has circular arc recess and locking steel ball and the steel ball sliding fit that opens and shuts at upper cylinder symmetric position, the setting element is installed at retaining member lower part cylinder, the torsional spring both ends are fixed respectively on retaining member lower part cylinder and setting element, retaining member lower part cylinder terminal surface is boss formula rotation connection structure with lock core top end face, boss formula rotation connection structure comprises: the end face of the top of the lock core is distributed with a convex core boss with the same structure, the end face of the cylinder at the lower part of the locking piece is also distributed with a convex opening and closing boss, and the core boss and the opening and closing boss are mutually matched and can rotate for a certain angle.

2. The blade padlock of claim 1, wherein the boss of the boss-type rotary connecting structure is a sector boss with centripetal symmetry, and the opening and closing boss is a part of the boss in the lower cylinder of the locking member passing through the center of the circle.

3. A blade padlock as claimed in claim 1 or claim 2, wherein the locating member comprises raised, centrosymmetrically located, scalloped bosses.

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