CN107724815B

CN107724815B - Glass door lock with mechanical lock core

Info

Publication number: CN107724815B
Application number: CN201711012939.XA
Authority: CN
Inventors: 赵卫阳
Original assignee: Zhejiang Pujiang Plum Blossom Lock Industry Group Co ltd
Current assignee: Zhejiang Pujiang Plum Blossom Lock Industry Group Co ltd
Priority date: 2017-10-26
Filing date: 2017-10-26
Publication date: 2023-03-03
Anticipated expiration: 2037-10-26
Also published as: CN107724815A

Abstract

The invention provides a glass door lock with a mechanical lock cylinder, which comprises a lock body, a U-shaped left lock beam and a U-shaped right lock beam, wherein the left lock beam comprises a first inserted rod and a second inserted rod which are parallel, the right lock beam comprises a first accommodating pipe and a second accommodating pipe which are used for accommodating the first inserted rod and the second inserted rod respectively, and the first inserted rod, the second inserted rod, the first accommodating pipe and the second accommodating pipe are matched to enable the left lock beam and the right lock beam to form a closed ring; the lock body is fixed at the end part of the left end of the first accommodating pipe, the middle part of the first insertion rod is provided with a locking notch, the lock body comprises a mechanical lock cylinder and a lock tongue which are accommodated in the shell, the first accommodating pipe is provided with a through hole corresponding to the lock tongue, and the mechanical lock cylinder is used for enabling the lock tongue to be meshed with the locking notch.

Description

Glass door lock with mechanical lock core

Technical Field

The invention relates to the field of locks, in particular to a glass door lock with a mechanical lock cylinder.

Background

Referring to fig. 1, patent document No. CN204804519U discloses a glass door lock, which includes a lock rod 1, a lock seat 2, a lock seat cover 3, a lock rod slot 4, a lock core 5, and a lock core hole 11, wherein the lock seat 2 has a relatively large volume and weight, and the manufacturing cost is high.

In addition, the hand action space is limited when the U-shaped glass door lock is unlocked by a key when the keyhole is positioned between the lock beams, the operation flexibility is obviously influenced, and if the ambient light is dark, the user is likely to find the key opening and insert the key opening with great effort.

Disclosure of Invention

The invention aims to provide a glass door lock which is provided with a smaller lock body and is low in manufacturing cost.

In order to achieve the advantages, the invention provides a glass door lock with a mechanical lock cylinder, which comprises a lock body, a U-shaped left lock beam and a U-shaped right lock beam, wherein the left lock beam comprises a first inserted rod and a second inserted rod which are parallel, the right lock beam comprises a first accommodating pipe and a second accommodating pipe which are used for accommodating the first inserted rod and the second inserted rod respectively, and the first inserted rod, the second inserted rod, the first accommodating pipe and the second accommodating pipe are matched to enable the left lock beam and the right lock beam to form a closed ring shape; the lock body is fixed at the end part of the left end of the first accommodating pipe, the middle part of the first inserting rod is provided with a locking notch, the lock body comprises a mechanical lock cylinder and a lock tongue which are accommodated in a shell, the first accommodating pipe is provided with a through hole corresponding to the lock tongue, and the mechanical lock cylinder is used for enabling the lock tongue to be meshed with the locking notch.

In an embodiment of the glass door lock of the present invention, the rotation axis of the mechanical lock cylinder is perpendicular to the axis of the first accommodating tube, an eccentric rod is fixed on an end surface of the mechanical lock cylinder, a transmission rod is arranged between the eccentric rod and the lock tongue, the transmission rod is perpendicular to the lock tongue, the transmission rod is provided with a transmission notch for accommodating the eccentric rod, the eccentric rod can rotate to drive the transmission rod to move in a direction perpendicular to the lock tongue, the middle of the transmission rod is provided with an unlocking notch for accommodating a part of the lock tongue, a side wall at one end of the unlocking notch is a guide inclined surface, the lock tongue is provided with a matching notch for accommodating a part of the transmission rod, a side wall of the matching notch facing away from the first accommodating tube is a matching inclined surface parallel to the guide inclined surface, and the lock tongue is perpendicular to the first inserting rod.

In one embodiment of the glass door lock of the present invention, when the mechanical lock cylinder is in a locked state, an end of the transmission rod facing away from the mechanical lock cylinder is received in the fitting notch to restrict movement of the latch bolt.

In one embodiment of the glass door lock, the guide inclined surface is used for extruding the matching inclined surface to enable the lock tongue to move back to the first accommodating pipe, so that the unlocking notch and the matching notch are overlapped, and the transmission rod is enabled to release the limitation of the lock tongue.

In one embodiment of the glazed door lock of the present invention, the first plunger is circular in cross-section and is rotatable within the first receptacle.

In one embodiment of the glass door lock of the invention, a compression spring is arranged between one end of the bolt, which faces away from the first accommodating tube, and the housing.

In one embodiment of the glazed door lock of the present invention, the first containing tube is longer than the second containing tube.

In one embodiment of the glass door lock of the present invention, the left shackle further comprises a left connecting rod for connecting the first insert rod and the second insert rod, and the right shackle further comprises a right connecting rod for connecting the first accommodating tube and the second accommodating tube.

In one embodiment of the glass door lock of the invention, an anti-slip layer for increasing friction is fixed outside the right connecting rod and the left connecting rod.

In one embodiment of the glass door lock, a falling-preventing protrusion is fixed to the right end of the first insert rod, a falling-preventing matching protrusion is fixed to the right side of the lock tongue of the first accommodating tube, and the falling-preventing protrusion and the falling-preventing matching protrusion are used for preventing the first insert rod from sliding out of the first accommodating tube.

In the glass door lock with the mechanical lock cylinder, the lock body is fixed at the left end part of the first accommodating pipe, and the lock body does not need to extend to the second accommodating pipe, so that the lock body has smaller volume and light weight, and meanwhile, in actual production, the U-shaped lock beam can be made of tubular materials or rod-shaped materials after holes are formed, and the production difficulty and the cost are low. Meanwhile, the glass door lock is very convenient to unlock.

Drawings

Fig. 1 is a schematic structural view of a conventional glass door lock.

Fig. 2 is a schematic structural view showing a locking state of a glass door lock having a mechanical key cylinder according to a first embodiment of the present invention.

Fig. 3 is a schematic structural view illustrating an unlocked state of the glass door lock of the mechanical key cylinder of fig. 2.

Fig. 4 shows an exploded view of the glass door lock of the mechanical lock cylinder of fig. 2.

Fig. 5 is a schematic structural view of the glass door lock of fig. 2 after the lock body is hidden in the housing.

Fig. 6 is a partially enlarged view of a portion a of fig. 4.

Fig. 7 is a partially enlarged view of fig. 5 at B.

Detailed Description

To further explain the technical means and effects of the present invention adopted to achieve the predetermined objects, the following detailed description will be provided with reference to the accompanying drawings and preferred embodiments for describing specific embodiments, structures, features and effects thereof.

Referring to fig. 2 to 7, the glass door lock with a mechanical lock cylinder 32 according to the first embodiment of the present invention includes a lock body 3, a U-shaped left lock beam 1 and a right lock beam 2, wherein the left lock beam 1 includes a first plunger 11, a second plunger 12 and a left connecting rod 13 for connecting the first plunger 11 and the second plunger 12 in parallel, and the right lock beam 2 includes a first accommodating tube 21 and a second accommodating tube 22 for accommodating the first plunger 11 and the second plunger 12, respectively, and a right connecting rod 23 for connecting the first accommodating tube 21 and the second accommodating tube 22.

The first inserted link 11 and the second inserted link 12 are inserted into the first accommodating tube 21 and the second accommodating tube 22 to be matched, so that the left lock beam 1 and the right lock beam 2 form a closed ring; the middle part of the first inserting rod 11 is provided with a locking notch 110, and the right end of the first accommodating tube 21 is provided with a through hole corresponding to the locking notch 110. The first insert pin 11 has a circular cross section, and the first insert pin 11 is rotatable within the first accommodation tube 21. The first accommodating tube 21 is longer than the second accommodating tube 22.

The

anti-skid layers

10 and 20 for increasing friction force are fixed outside the right connecting rod 23 and the left connecting rod 13.

The right-hand member of first inserted bar 11 of preferred is fixed with and prevents that the drop is protruding stupefied, and first holding pipe 21 is fixed with on the right side of spring bolt 34 and prevents that the drop cooperation is protruding stupefied, and the protruding stupefied roll-off in being used for preventing first inserted bar 11 follow first holding pipe 21 of preventing that the drop is protruding and the cooperation of preventing the drop is protruding.

The lock body 3 is fixed to the left end portion of the first accommodating tube 21, and the lock body 3 includes a mechanical key cylinder 32 and a locking tongue 34 accommodated in the housing 31, the mechanical key cylinder 32 being used to engage the locking tongue 34 with the locking notch 110. The rotation axis of the mechanical lock cylinder 32 is perpendicular to the axis of the first accommodating tube 21, an eccentric rod 321 is fixed on the end face of the mechanical lock cylinder 32, a transmission rod 33 is arranged between the eccentric rod 321 and the lock tongue 34, the transmission rod 33 is perpendicular to the lock tongue 34, a transmission notch for accommodating the eccentric rod 321 is formed in the transmission rod 33, the eccentric rod 321 rotates to drive the transmission rod 33 to move in the direction perpendicular to the lock tongue 34, an unlocking notch 332 for accommodating a part of the lock tongue 34 is formed in the middle of the transmission rod 33, a guide inclined plane 3320 is formed in a side wall of one end, opposite to the eccentric rod, of the unlocking notch 332, a matching notch 341 for accommodating a part of the transmission rod 33 is formed in the lock tongue 34, a matching inclined plane parallel to the guide inclined plane 3320 is formed in a side wall, opposite to the first accommodating tube 21, and the lock tongue 34134 is perpendicular to the first inserting rod 11.

In the locked state of the mechanical key cylinder 32, the end of the transmission rod 33 facing away from the mechanical key cylinder 32 is received in the fitting notch 341 to restrict the movement of the latch tongue 34.

The guide slope 3320 is used to press the engagement slope 3410 to move the locking tongue 34 away from the first receiving tube 21, so that the unlocking notch 332 and the engagement notch 341 overlap, and the transmission lever 33 releases the locking tongue 34.

A compression spring is arranged between one end of the locking bolt 34, which faces away from the first accommodating tube 21, and the shell. A bottom plate 322 is fixed at one end of the mechanical lock core 32 close to the key hole, and the bottom plate 322 can provide a return force for the compression spring on one hand and provide a larger connecting area for the mechanical lock core 32 and the lock shell 31 on the other hand.

Although the present invention has been described with reference to a preferred embodiment, it should be understood that various changes, substitutions and alterations can be made herein without departing from the spirit and scope of the invention as defined by the appended claims.

Claims

1. A glass door lock with a mechanical lock cylinder is characterized by comprising a lock body, a U-shaped left lock beam and a U-shaped right lock beam, wherein the left lock beam comprises a first insert rod and a second insert rod which are parallel, the right lock beam comprises a first accommodating pipe and a second accommodating pipe which are used for accommodating the first insert rod and the second insert rod respectively, and the first insert rod, the second insert rod, the first accommodating pipe and the second accommodating pipe are matched to enable the left lock beam and the right lock beam to form a closed ring;

the mechanical lock cylinder is characterized in that the rotation axis of the mechanical lock cylinder is perpendicular to the axis of the first accommodating pipe, an eccentric rod is fixed on the end face of the mechanical lock cylinder, a transmission rod is arranged between the eccentric rod and the lock tongue and perpendicular to the lock tongue, a transmission notch for accommodating the eccentric rod is formed in the transmission rod, the eccentric rod can drive the transmission rod to move in the direction perpendicular to the lock tongue in a rotating mode, an unlocking notch capable of accommodating part of the lock tongue is formed in the middle of the transmission rod, the side wall, back to the eccentric rod, of the unlocking notch is a guide inclined surface, the lock tongue is provided with a matching notch capable of accommodating part of the transmission rod, the side wall, back to the first accommodating pipe, of the matching notch is a matching inclined surface parallel to the guide inclined surface, and the lock tongue is perpendicular to the first inserting rod;

a compression spring is arranged between one end of the lock tongue, which is back to the first accommodating pipe, and the shell;

a bottom plate is fixed at one end of the mechanical lock cylinder close to the key hole, and the bottom plate is used for providing return force for the compression spring and providing a connection area for the mechanical lock cylinder and the shell;

when the mechanical lock cylinder is in a locking state, the end part of the transmission rod, which is back to the mechanical lock cylinder, is accommodated in the matching notch to limit the movement of the lock tongue;

the guide inclined plane is used for extruding the matching inclined plane to enable the lock tongue to move back to the first accommodating pipe, so that the unlocking notch and the matching notch are overlapped, and the limit of the transmission rod on the lock tongue is relieved;

the right-hand member of first inserted bar is fixed with the protruding stupefied of anti-falling, first hold the pipe and be in the right side of spring bolt is fixed with the protruding stupefied of anti-falling cooperation, the anti-falling protruding stupefied with the protruding stupefied of anti-falling cooperation is used for preventing this first inserted bar roll-off from this first holding intraductal.

2. A glass door lock according to claim 1, characterized in that the first plunger is circular in cross-section and is rotatable within the first receiving tube.

3. The glazed door lock according to claim 1, wherein the first receiving tube is longer than the second receiving tube.

4. The glazed door lock of claim 1, wherein the left strike further comprises a left connecting rod for connecting the first and second plunger, and the right strike further comprises a right connecting rod for connecting the first and second receptacle.

5. The glass door lock according to claim 4, wherein an anti-slip layer for increasing friction is fixed outside the right and left connecting rods.