CN111101761B

CN111101761B - Push type mechanical lock

Info

Publication number: CN111101761B
Application number: CN202010020025.3A
Authority: CN
Inventors: 赖敬滨
Original assignee: Individual
Current assignee: Individual
Priority date: 2020-01-09
Filing date: 2020-01-09
Publication date: 2021-02-26
Anticipated expiration: 2040-01-09
Also published as: CN111101761A

Abstract

The invention discloses a push type mechanical lock, which belongs to the technical field of locks and comprises a lock body, wherein the lock body is provided with a fixed plate and a lock tongue, and the fixed plate is fixedly connected with the lock body; the fixing plate comprises a first fixing plate and a second fixing plate; the spring bolt is provided with a groove, and the upper end of the groove is provided with a first connecting rod and a second connecting rod; the first connecting rod comprises a first cross rod, a first vertical rod and a second cross rod; the second cross rod is slidably inserted into the groove wall of the groove and the first fixing plate; the second connecting rod comprises a third cross rod, a second vertical rod and a fourth cross rod; the fourth cross rod is slidably inserted into the groove wall of the groove and the second fixing plate; a first spring is arranged on the second fixing plate side of the first cross rod and the third cross rod; an external unlocking guide block is arranged at the outer end of the first fixed side of the lock body; the first cross rod and the third cross rod are slidably inserted into the external unlocking guide block. The invention has simple structure and convenient operation, and only a key needs to be inserted and pressed in the unlocking process; meanwhile, the unlocking process has two steps, so that double protection is realized.

Description

Push type mechanical lock

Technical Field

The invention relates to the technical field of locks, in particular to a push type mechanical lock.

Background

The existing mechanical lockset is required to insert a key into a lock cylinder when a door is opened, the shape of the key is aligned to the lock cylinder with certain accuracy, the operation is more troublesome when no light is emitted or light is dark at night in the using process, the action times are more, the unlocking time is long, and the unlocking efficiency is low. In addition, the key needs to be rotated when the lock is unlocked, which brings great inconvenience to operators. Meanwhile, most of the existing mechanical locks only have one protection, and the keys can be directly unlocked after being rotated, so that the safety is poor.

Therefore, there is a need for a lock with dual unlocking protection, which is convenient to operate and does not need to rotate a key.

Disclosure of Invention

The invention aims to provide a lockset which is simple to operate, does not need to rotate a key and has double unlocking protection, and the invention comprises the following contents:

a push type mechanical lock comprises a lock body, wherein the lock body is provided with a fixing plate and a lock tongue, and the fixing plate is fixedly connected with the lock body; the fixing plates comprise a first fixing plate and a second fixing plate, and the first fixing plate and the second fixing plate are symmetrically arranged at two ends of the lock body; the lock bolt is arranged between the first fixing plate and the second fixing plate and is connected with the lock body in a sliding manner; the spring bolt is provided with a groove, and the upper end of the groove is provided with a first connecting rod and a second connecting rod; the first connecting rod comprises a first cross rod, a first vertical rod and a second cross rod, and the first vertical rod is perpendicular to the first cross rod and the second cross rod; the second cross rod is slidably inserted into the groove wall of the groove and the first fixing plate; the second connecting rod comprises a third cross rod, a second vertical rod and a fourth cross rod, and the second vertical rod is perpendicular to the third cross rod and the fourth cross rod; the fourth cross rod is slidably inserted into the groove wall of the groove and the second fixing plate; the first cross rod and the third cross rod are arranged in a vertical layered manner; a first spring is arranged on the second fixing plate side of the first cross bar and the third cross bar; an external unlocking guide block is arranged at the outer end of the first fixed side of the lock body; the first cross rod and the third cross rod are slidably inserted into the external unlocking guide block.

Further, an outer handle is arranged at the outer end of the first fixing plate side of the lock tongue and used for pushing the lock tongue to slide relative to the lock body.

Further, the external guide block of unblanking is provided with the fluorescent agent for the dark surrounds guide is unblanked.

Furthermore, a locking mechanism is arranged on the lower side of the lock body, is connected with the lock body in a sliding mode and is used for being inserted into a door frame to be locked after being unlocked.

Furthermore, a locking mechanism is arranged on the lower side of the lock body, is connected with the lock body in a sliding mode and is used for locking the lock body in the door after being unlocked.

Furthermore, a locking mechanism is arranged between the locking mechanism and the lock tongue, slides up and down relative to the lock body, is manually inserted into the locking mechanism and the lock tongue, and is used for preventing the lock tongue from being driven by the outer handle to slide and lock after the lock is unlocked.

Further, the number of the first links and the second links is 3.

Further, the lock also comprises a key matched with the first cross rod and the third cross rod in the external unlocking guide block, wherein the key comprises a body, a first bulge, a second spring and a sliding block; the first protrusion and the second protrusion are arranged on one side of the body; the first bulge is correspondingly matched with the first cross rod; the second bulge is correspondingly matched with the third cross rod; the second spring is arranged at the bottom end of the sliding block; the sliding block is matched with the second spring to slide relative to the body; the cylinder is in sliding fit with the second raised ramp for sliding into the cylinder when the third cross bar is aligned with the cylinder.

Furthermore, a cylinder mechanism matched with the lock lever mechanism is further arranged on the key, the cylinder mechanism comprises a sleeve and a spring, and the sleeve is in sliding connection with the body; the sleeve compresses the spring, and after the key is pulled out, the spring assists the sleeve to reset.

The invention has the beneficial effects that:

the push type mechanical lock is simple in structure and convenient to operate, and only a key needs to be inserted and pressed in the unlocking process without rotating the key. Meanwhile, the key unlocking process has two steps, which is equivalent to adding one protection and realizing double protection.

Drawings

FIG. 1 is a schematic view of a push type mechanical lock

FIG. 2 is a schematic view of the lock state after insertion of a key

Fig. 3 schematic diagram of final unlocking state

Fig. 4 front view of the bolt

Fig. 5 cross-sectional view of the bolt

Fig. 6 cross-sectional view of the tongue groove

FIG. 7 side view of the key

FIG. 8 Key elevation view

Fig. 9 external unlocking guide block schematic diagram

FIG. 10 is a schematic view of an external lock of a push type mechanical lock door

FIG. 11 is a schematic view of an outward opening door of a push type mechanical lock

FIG. 12 is a schematic view of an internal lock of a push type mechanical lock

FIG. 13 is a schematic view of an inward opening door of a push type mechanical lock

The lock comprises a fixed plate 1, a lock tongue 2, an external unlocking guide block 3, a key 4, a sliding block 41, a second spring 42, a second protrusion 43, a first protrusion 44, a body 45, a cylinder 46, a vertical plate 5, a groove 6, a locking lever mechanism 7, an external handle 8, a first connecting rod 9, a first cross rod 91, a first vertical rod 92, a second cross rod 93, a second connecting rod 10, a third cross rod 101, a second vertical rod 102, a fourth cross rod 103, a first spring 11, a lock body 12, a first fixed plate 13, a second fixed plate 14, a third spring 15, a locking mechanism 16 and a locking mechanism 17.

Detailed Description

A push type mechanical lock comprises a lock body 12, wherein the lock body 12 is provided with a fixing plate 1 and a bolt 2, and the fixing plate 1 is fixedly connected with the lock body 12; the fixing plate 1 comprises a first fixing plate 13 and a second fixing plate 14, and the first fixing plate 13 and the second fixing plate 14 are symmetrically arranged at two ends of the lock body 12; the bolt 2 is arranged in the middle of the first fixing plate 13 and the second fixing plate 14, and the bolt 2 is connected to the lock body 12 in a sliding mode; the bolt 2 is provided with a groove 6, and the upper end of the groove 6 is provided with a first connecting rod 9 and a second connecting rod 10; the first connecting rod comprises a first cross rod 91, a first vertical rod 92 and a second cross rod 93, and the first vertical rod 92 is perpendicular to the first cross rod 91 and the second cross rod 93; the second cross rod 93 is slidably inserted into the groove wall of the groove 6 and the first fixing plate 13; the second connecting rod 10 comprises a third cross rod 101, a second vertical rod 102 and a fourth cross rod 103, wherein the second vertical rod 102 is perpendicular to the third cross rod 101 and the fourth cross rod 103; the fourth cross rod 103 is slidably inserted into the groove wall of the groove 15 and the second fixing plate 14; the first cross bar 91 and the third cross bar 101 are arranged in a vertical layer; a first spring 11 is arranged on the second fixing plate side of the first cross bar 91 and the third cross bar 101; the outer end of the first fixed side of the lock body 12 is provided with an external unlocking guide block 3; the first cross bar 91 and the third cross bar 10 are slidably inserted into the external unlocking guide block 3.

In the present embodiment, the number of the first links 9 and the second links 10 is 3. A plurality of holes are formed in the external unlocking guide block 3, wherein 6 holes are used for containing the first connecting rod 9 and the second connecting rod 10, and the rest holes are used as interference holes. The internal fluorescent agent that is used for the dark surrounds guide to unblank that is provided with of external guide block 3 of unblanking.

An outer handle 8 is arranged at the outer end of the first fixing plate side of the bolt 2 and used for pushing the bolt 2 to slide relative to the lock body 12. The first link 9 and the second link 10 are provided with a vertical plate 5, and the vertical plate 5 is used for limiting a first spring 11.

The lock body 12 is provided with a lock lever mechanism 7 for preventing the first link 9 and the second link 10 from being automatically unlocked during the forward and backward movement.

The lock body 12 is provided with a locking mechanism 16 on the underside thereof, the locking mechanism 16 being slidably connected with respect to the lock body 12 for locking indoors after unlocking. A locking mechanism 17 is arranged between the locking mechanism 16 and the bolt 2, the locking mechanism 17 slides relative to the lock body 12, and is manually inserted into the locking mechanism 16 and the bolt 2 for preventing the bolt 2 from being driven by the external handle 8 to slide and lock after unlocking.

The push type mechanical lock of the embodiment further comprises a key 4 matched with the first cross bar 91 and the third cross bar 101 in the external unlocking guide block 3, wherein the key 4 comprises a body 45, a first protrusion 44, a second protrusion 43, a second spring 42 and a sliding block 41; the first protrusion 43 and the second protrusion 44 are provided at one side of the body 45; the first protrusion 44 is correspondingly matched with the first cross bar 91; the second protrusion 43 is correspondingly matched with the third cross rod 101; the bottom end of the sliding block 41 is provided with a second spring 42; the sliding block 41 and the second spring 42 are matched to slide relative to the body 45; the second spring side of the slider 41 is provided with a cylinder 46, and the cylinder 46 is in sliding engagement with the second projection 43 for sliding into the cylinder 46 when the third crossbar 101 is aligned with the cylinder 46.

The key 4 is provided with a sleeve mechanism 47, the sleeve mechanism 47 being engaged with the lock lever mechanism 7.

Unlocking process: the locking state of the press type mechanical lock is shown in fig. 1, when the lock needs to be unlocked, a key 4 is inserted into the external unlocking guide block 3, the first protrusion 43 and the second protrusion 44 simultaneously drive the first connecting rod 9 and the second connecting rod 10 to move towards the door, the second cross rod 93 slides and is separated from the first fixing piece 13 and the groove wall of the locking tongue groove 15, the fourth cross rod 103 slides and is inserted into the groove wall of the locking tongue groove 6 and the second fixing piece 14, as shown in fig. 2, the lock cannot be unlocked at the moment, the sliding block 41 on the key 4 needs to be pressed, the sliding block 41 compresses the second spring 42 to drive the cylinder 46 and the second protrusion 43 to slide in a slope matching manner, when the cylinder 46 just aligns at the third cross rod 101, due to the action of the first spring 11, the third cross rod 101 rebounds to the key direction to the initial state as shown in fig. 3, and the lock can. Meanwhile, the sleeve mechanism 47 and the sliding block 41 move downwards together to drive the locking lever mechanism 7 to move downwards to separate from the bolt 2; when the key 4 is pulled out, the lock lever mechanism 7 is provided with a spring which can automatically reset.

The above description is only a preferred embodiment of the present invention, and is not intended to limit the technical scope of the present invention, so that any minor modifications, equivalent changes and modifications made to the above embodiment according to the technical spirit of the present invention are within the technical scope of the present invention.

Claims

1. The push type mechanical lock is characterized by comprising a lock body (12), wherein the lock body (12) is provided with a fixing plate (1) and a bolt (2), and the fixing plate (1) is fixedly connected to the lock body (12); the fixing plate (1) comprises a first fixing plate (13) and a second fixing plate (14), and the first fixing plate (13) and the second fixing plate (14) are symmetrically arranged at two ends of the lock body (12); the bolt (2) is arranged between the first fixing plate (13) and the second fixing plate (14), and the bolt (2) is connected to the lock body (12) in a sliding manner; the lock tongue (2) is provided with a groove (6), and the upper end of the groove (6) is provided with a first connecting rod (9) and a second connecting rod (10); the first connecting rod comprises a first cross rod (91), a first vertical rod (92) and a second cross rod (93), and the first vertical rod (92) is perpendicular to the first cross rod (91) and the second cross rod (93); the second cross rod (93) is inserted into the groove wall of the groove (6) and the first fixing plate (13) in a sliding manner; the second connecting rod (10) comprises a third cross rod (101), a second vertical rod (102) and a fourth cross rod (103), and the second vertical rod (102) is perpendicular to the third cross rod (101) and the fourth cross rod (103); the fourth cross rod (103) is slidably inserted into the groove wall of the groove (6) and the second fixing plate (14); the first cross bar (91) and the third cross bar (101) are arranged in a vertical layered manner; a first spring (11) is arranged on the second fixing plate side of the first cross bar (91) and the third cross bar (101); the outer end of the first fixed side of the lock body (12) is provided with an external unlocking guide block (3); the first cross rod (91) and the third cross rod (101) are slidably inserted into the external unlocking guide block (3).

2. The push type mechanical lock as claimed in claim 1, wherein the outer end of the first fixing plate side of the lock tongue (2) is provided with an outer handle (8) for pushing the lock tongue (2) to slide relative to the lock body (12).

3. The push type mechanical lock according to claim 1, wherein a lock lever mechanism (7) is provided in the lock body (12) for preventing the first link (9) and the second link (10) from being automatically unlocked when they advance and retreat.

4. The push type mechanical lock according to claim 1, wherein the external unlocking guide block (3) is provided with a fluorescent agent for guiding unlocking in a dark environment.

5. The push type mechanical lock of claim 2, wherein the lock body (12) is provided with a locking mechanism (16) at the lower side, and the locking mechanism (16) is connected with the lock body (12) in a sliding way and is used for being inserted into a door frame and locked after being unlocked in the door.

6. The push type mechanical lock according to claim 5, wherein a locking mechanism (17) is disposed between the locking mechanism (16) and the lock tongue (2), the locking mechanism (17) slides up and down relative to the lock body (12), and is manually inserted into the locking mechanism (16) and the lock tongue (2) to prevent the lock tongue (2) from being driven by the external handle (8) to slide and lock after the lock is unlocked.

7. The push type mechanical lock according to claim 1, wherein the number of the first links (9) and the second links (10) is 3.

8. The push type mechanical lock according to any one of claims 1 to 7, further comprising a key (4) engaged with the first cross bar (91) and the third cross bar (101) in the external unlocking guide (3), wherein the key (4) comprises a body (45), a first protrusion (44), a second protrusion (43), a second spring (42) and a slider (41); the first projection (44) and the second projection (43) are arranged on one side of the body (45); the first bulge (44) is correspondingly matched with the first cross rod (91); the second bulge (43) is correspondingly matched with the third cross rod (101); the second spring (42) is arranged at the bottom end of the sliding block (41); the sliding block (41) is matched with the second spring (42) to slide relative to the body (45); and a cylinder (46) is arranged on the second spring side of the sliding block (41), and the cylinder (46) is in sliding fit with the inclined surface of the second protrusion (43) and is used for sliding into the cylinder (46) when the third cross rod (101) is aligned with the cylinder (46).

9. The push type mechanical lock according to claim 8, wherein the key (4) is further provided with a cylinder mechanism (46) which is matched with the lock lever mechanism (7), the cylinder mechanism comprises a sleeve and a spring, and the sleeve is connected with the body (45) in a sliding way; the sleeve compresses the spring, and after the key (4) is pulled out, the spring assists the sleeve to reset.