CN214091385U

CN214091385U - Mechanical lock body

Info

Publication number: CN214091385U
Application number: CN202021987924.2U
Authority: CN
Inventors: 卫小会; 卫军征
Original assignee: Shenzhen Zhongyuguan Technology Co ltd
Current assignee: Shenzhen Zhongyuguan Technology Co ltd
Priority date: 2020-09-12
Filing date: 2020-09-12
Publication date: 2021-08-31
Anticipated expiration: 2030-09-12
Also published as: AU2020102966A4

Abstract

The utility model discloses a mechanical lock body, which comprises a lock body seat, a first driving component, a second driving component and a locking component which are arranged on the lock body seat, and a lock body cover plate which is fixed and sealed on the lock body seat through bolts; the first driving assembly comprises a main shifting piece movably arranged on the lock body seat and a lock tongue shifting piece, and the fixed sleeve is buckled on the main shifting piece; one side of the main shifting piece is provided with a square hole for inserting the square shaft in the vertical direction; a square shaft is inserted into the middle of the square hole, two ends of the square shaft are connected with a door handle, the square shaft is driven by pressing the door handle downwards, and the square shaft drives a main shifting piece to shift a spring bolt to unlock; meanwhile, the top and bottom hook sliding block drives the connecting rod to drive the top and bottom hook lock tongue to unlock; the lock body disclosed by the embodiment is more suitable for an electronic intelligent lock.

Description

Mechanical lock body

Technical Field

The utility model relates to a mechanical lock body.

Background

The lock bodies on the existing market are mainly divided into two types, one type is an inclined plane lock tongue capable of automatically popping out, and the lock bodies have the defect of insufficient safety and are easy to be plugged into a door slot and opened by a person with a card. The other type is a square bolt which needs to be manually ejected, and has the defect of incapability of automatically ejecting and inconvenience.

There is also a lock body which can avoid the above two problems, but its key can only block the bolt, and can not make the bolt retract by rotating the key to open the door. And the lock tongue of the top and bottom hook can be ejected or retracted only by rotating the key, and the top and bottom hook cannot be controlled by pressing the handle. Such locks are not suitable for use in electronic locks.

SUMMERY OF THE UTILITY MODEL

The utility model discloses aim at solving above-mentioned technical problem. Therefore, the utility model aims to provide a lock body which can automatically eject the spring bolt when locking the door, is safe and reliable and can not open the spring bolt by using a clamping piece at the door gap; but also to the body of an electronic lock.

A mechanical lock body comprises a lock body seat, a first driving assembly, a second driving assembly and a locking assembly which are arranged on the lock body seat, and a lock body cover plate which is fixedly sealed on the lock body seat through bolts;

the first driving assembly comprises a main shifting piece movably arranged on the lock body seat and a lock tongue shifting piece, and the fixed sleeve is buckled on the main shifting piece; the upper end of the main shifting piece is provided with a first arc-shaped bulge; the bottom end of the bolt shifting piece is provided with a second arc-shaped bulge; the second arc-shaped bulge is buckled on the arc-shaped bulge to form an incomplete ring; one side of the main shifting piece is provided with a square hole used for inserting the hand-held square shaft along the vertical direction.

A stop block mounting groove, a lock tongue mounting groove, a first guide strip and a second guide strip are arranged in the lock body seat from top to bottom; the first guide strip and the second guide strip of the lock tongue are parallel to the side edge of the lock body seat.

The locking subassembly includes the spring bolt dog of movable mounting on the dog mounting groove, movable mounting is the lock body spring bolt on the spring bolt mounting groove to and the world hook slide block of movable mounting on first gib block.

The second drive assembly includes a cylinder stop movably mounted on the second guide bar.

And a spring bolt spring is fixedly arranged between the spring bolt of the lock body and the inner side wall of the lock body seat, and the spring bolt of the lock body protrudes outwards from the side surface of the lock body seat in a natural state.

The upper end of the top and bottom hook sliding block is provided with a square bulge, and the side part of the top and bottom hook sliding block is also provided with a mounting hole for connecting with a connecting rod; the main shifting piece is arranged between the square bulge and the lock cylinder sliding block.

The lock body spring bolt goes up the top surface and is provided with the arc wall, and the spring bolt plectrum sets up on the arc wall.

The side surface of the lock cylinder protrudes outwards to form a convex block, the lock cylinder sliding block is provided with an oblique groove along one side of the lock cylinder, the convex block is matched with the oblique groove, and the lock cylinder sliding block slides on the second guide strip through rotating the lock cylinder.

A block spring is further arranged between the lock tongue block and the lock body seat, and the top of the lock tongue block protrudes out of the side face of the lock body seat in a natural state.

The top end face of the top-bottom hook sliding block is also provided with a spring mounting hole, a spring is further mounted in the spring mounting hole, and a top-bottom hook sliding block steel ball is fixed on the spring.

The utility model has the advantages that:

a square shaft is inserted into the middle of the square hole, two ends of the square shaft are connected with a door handle, the square shaft is driven by pressing the door handle downwards, the square shaft drives a main shifting piece to shift a lock tongue to unlock, and meanwhile, a top and bottom hook sliding block drives a connecting rod to drive a top and bottom hook lock tongue to unlock; the lock body disclosed by the embodiment is more suitable for an electronic intelligent lock.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the structures shown in the drawings without creative efforts.

Fig. 1 is an exploded view of a main lock body in embodiment 1 of the present invention;

fig. 2 is a schematic view of the internal assembly of the lock body in the locked state of the present invention;

fig. 3 is a schematic structural view of the lock in embodiment 1.

Shown in the figure:

1. a lock body seat; 2. a lock body cover plate; 3. a ground hook; 4. a main lock body; 11. a block mounting groove; 12. a lock tongue mounting groove; 13. a plectrum mounting groove; 14. a first guide bar; 15. a second guide bar; 16. a main shifting piece; 17. a lock tongue paddle; 18. a square hole; 19. a lock body and a lock tongue; 20. a latch bolt spring; 21. a latch dog; 22. a stopper spring; 23. a top and bottom hook slide block; 24. a lock cylinder slider; 25. a lock cylinder; 26. a first clip hole, 27, a second clip hole; 31. a connecting rod; 32. a top and bottom hook lock body; 111. a trapezoidal limiting block; 121. a limiting block; 161. a first arcuate projection; 171. a square shaft; 172. a second arc-shaped convex part; 211. an abutting portion; 212. a bullet top; 231. a square bulge; 232. mounting holes; 233. a spring mounting hole; 234. a top-to-bottom hook slider spring; 235. a sliding block steel ball of the top and bottom hook; 191. an arc-shaped slot; 192. a hook groove; 193. chamfering; 241. A bevel groove; 251. a bump; 252. a key insertion hole; 311. the connecting rod is convex; 321. a top and bottom hook bolt; 322. A heaven and earth hook shifting sheet.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments.

Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.

It should be noted that all the directional indicators (such as upper, lower, left, right, front, back, inner and outer, and the center … …) in the embodiments of the present invention are only used to explain the relative position relationship between the components, the motion situation, etc. in a specific posture (as shown in the drawings), and if the specific posture is changed, the directional indicator is changed accordingly.

In the present application, unless expressly stated or limited otherwise, the terms "connected" and "fixed" are to be construed broadly, e.g., "fixed" may be fixedly connected or detachably connected, or integrally formed; can be mechanically or electrically connected; they may be directly connected or indirectly connected through intervening media, or they may be connected internally or in any other suitable relationship, unless expressly stated otherwise. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.

In addition, the technical solutions between the embodiments of the present invention can be combined with each other, but it is necessary to be able to be realized by a person having ordinary skill in the art as a basis, and when the technical solutions are contradictory or cannot be realized, the combination of such technical solutions should be considered to be absent, and is not within the protection scope of the present invention.

Example 1:

the lock with the mechanical lock body as shown in fig. 1 to 3 comprises a main lock body 4 and a top and bottom hook 3 connected with the main lock body 4; the main lock body 4 comprises a lock body seat 1, the lock body seat 1 is sequentially provided with a stop block installation groove 11, a lock tongue installation groove 12, a plectrum installation groove 13, a first guide strip 14 and a second guide strip 15 from top to bottom, and a lock body cover plate 2 which is fixedly sealed on the lock body seat 1 through bolts; the top and bottom hook 3 comprises a connecting rod 31 and a top and bottom hook lock body 32 which is connected with the connecting rod 31 up and down; the top and bottom hook lock body 32 is provided with a top and bottom hook lock tongue 321 and a top and bottom hook shifting piece 322.

As a preferred scheme, a main shifting piece 16 is installed on the shifting piece installation groove 13, the main shifting piece 16 can only do autorotation motion on the shifting piece installation groove 13, a lock tongue shifting piece 17 is buckled on the main shifting piece 16, and a square hole 18 for inserting a square shaft is formed in a connecting part of the main shifting piece 16 and the lock tongue shifting piece 17; specifically, the upper end of the main pulling piece 16 is provided with a first arc-shaped protruding part 161; the bottom end of the bolt shifting piece 17 is provided with a second arc-shaped bulge 172; the second arc-shaped protruding part 172 is buckled on the first arc-shaped protruding part 161 to form an incomplete ring, so that when the bolt shifting piece 17 rotates anticlockwise, because a gap exists between the first arc-shaped protruding part 161 and the second arc-shaped protruding part 172, the bolt shifting piece 17 rotates in the gap stroke, the bolt shifting piece 17 cannot drive the main shifting piece 16 to move simultaneously, and only after the second arc-shaped protruding part 172 contacts the first arc-shaped protruding part 161, the main shifting piece 16 can drive the bolt shifting piece to rotate simultaneously around the square hole 18;

as a preferred scheme, two sections of limiting blocks 121 are arranged on the locking tongue mounting groove 12, a locking tongue 19 of the lock body is movably mounted on the limiting blocks 121, a locking tongue spring 20 is fixedly arranged between the locking tongue 19 of the lock body and the lock body seat 1, under the elastic force of the locking tongue spring 20, the locking tongue 19 of the lock body can be popped out of the side surface of the lock body seat 1 under the natural state, and an arc-shaped groove 191 is also formed in the upper top surface of the locking tongue 19 of the lock body; because the curvature of the slot wall of the arc-shaped slot 191 is different, after the square hole 18 is inserted into the square shaft 171, the door handle is mounted on the square shaft 171, and the door handle is pressed down, so that the main pulling piece 16 rotates clockwise; thereby driving the lock tongue shifting piece 17 to rotate clockwise, after the front end of the lock tongue shifting piece 17 gradually slides into the hook groove 192 at the tail end of the arc groove 191 along the side wall of the arc groove 191, the lock tongue shifting piece 17 is clamped with the hook groove 192, and the lock tongue shifting piece 17 drives the lock body lock tongue 19 to move along the direction of the lock tongue spring 20;

as a further specific implementation scheme of the door opening action, a top and bottom hook slider 23 is movably mounted on the first guide strip 14, a square protrusion 231 is arranged on the top and bottom hook slider 23, a mounting hole 232 is further arranged on the side of the top and bottom hook slider 23, and the mounting hole 232 is fixedly connected with a connecting rod protrusion 311 on the connecting rod 31; the square shaft drives the main shifting piece 16 to rotate clockwise, so that the locking bolt shifting piece 17 is driven to drive the locking bolt 19 of the lock body to move along the direction of the locking bolt spring 20, and the installation position of the main shifting piece 16 is positioned at the lower end of the square protrusion 231, so that the main shifting piece 16 can push the square protrusion 231 upwards along the direction of the locking bolt 19 of the lock body, and the top and bottom hook sliding block 23 is driven to move towards the direction of the locking bolt 19 of the lock body on the first guide block 14, so that the connecting rod 31 connected with the top and bottom hook sliding block 23 can rise, and the top and bottom hook locking bolt 321 connected with the connecting rod 31 can also retract; thereby realizing the door opening action; it should be noted that, after the lock is unlocked, the door handle is released,

the lock bolt 19 will make the lock bolt 19 eject a small part to the side of the lock base 1 by the resilience of the bolt spring 20 and the locking of the bolt stop 21.

The bolt plectrum 17 can rotate along the anticlockwise direction, the bolt plectrum 17 can be separated from the hook groove 192 at the tail end of the arc-shaped groove 191, and the bolt plectrum 17 can not drive the main plectrum 16 to move synchronously when the bolt plectrum 17 rotates in the clearance stroke because a clearance exists between the first arc-shaped bulge 161 and the second arc-shaped bulge 172; in order to prevent the bolt shifting piece 17 from touching the ground hook sliding block 23 when the bolt spring 20 is ejected, the main shifting piece 16 idles for a certain angle when rotating anticlockwise and idles; the top and bottom hook slider 23 is not moved downward by the main paddle 16.

Note that, in order to prevent the top-bottom hook slider 23 from falling downward due to gravity; a spring mounting hole 233 is further formed in the top end face of the top-bottom hook sliding block 23, a top-bottom hook sliding block spring 234 is further mounted in the spring mounting hole 233, and a top-bottom hook sliding block steel ball 235 is fixed on the top-bottom hook sliding block spring 234; when the world hook slide block 23 is limited at the upper part, the world hook slide block steel ball 235 can be clamped in the first clamping hole 26 on the lock body cover plate 2, and when the world hook slide block 23 is limited at the lower part, the world hook slide block steel ball 235 can be clamped in the second clamping hole 27 on the lock body cover plate 2.

As a preferred scheme, a trapezoidal limiting block 111 is arranged at one end, close to the lock tongue 19, of the block mounting groove 11; a bolt stopper 21 is further arranged at one end, far away from the lock body bolt 19, of the trapezoidal limiting block 111, the bolt stopper 21 is arranged in an inverted V shape and is overlapped on the trapezoidal limiting block 111, wherein the bolt stopper 21 can be divided into an abutting part 211 and a spring top part 212, a stopper spring 22 is arranged between the tail part of the spring top part 212 and the inner side wall of the lock body seat 1, the spring top part 212 of the bolt stopper 21 protrudes out of the side surface of the lock body seat 1 in a natural state, and the abutting part 211 can abut against a chamfer 193 at the side part of the lock body bolt 19, so that the lock body bolt 19 is prevented from being completely ejected outwards under the action of the bolt spring 20; when the door is closed, the extrusion force of the door panel can push the elastic top part 212 of the bolt stop 21 to move along the direction of the stop spring 22, so that the bolt stop 21 can move along the oblique upward direction, when the abutting part 211 is not at the same level with the chamfer 193 at the side part of the lock body bolt 19 (namely the abutting part 211 does not block the chamfer 193 at the side part of the lock body bolt 19); the latch top 212 is unhooked from the chamfer 193 and the lock latch 19 is then ejected under the urging of the latch spring 20; completing the automatic door locking of the lock body and the bolt 19; when the lock body bolt 19 is ejected, no external force is generated to the top and bottom hook sliding block 23; the hook bolt 321 can also keep a retracted state; the door handle is lifted up to drive the main shifting piece 16 to continuously press down, the main shifting piece 16 can push the top and bottom hook sliding block 23 to slide down continuously, and the top and bottom hook sliding block 23 drives the connecting rod 31 to slide down; thereby driving the top and bottom hook bolt 321 to pop out, and realizing the top and bottom hook locking of the door;

it should be noted that, when the door is opened, the lock tongue 19 of the lock body retracts into the tongue spring 20; the chamfer 193 of the lock bolt 19 is caught by the abutting portion 211 (the spring top 212 of the bolt stop 21 protrudes from the side of the lock body seat 1); meanwhile, the hook bolt 321 can be kept at the original position; the automatic door locking is not influenced;

preferably, a lock cylinder slider 24 is further slidably disposed on the second guide strip 15, a bezel slot 241 is disposed on one side of the lock cylinder slider 24, a lock cylinder 25 is disposed on one side of the bezel slot 241, a projection 251 is disposed on a side surface of the lock cylinder 25, and the projection 251 is adapted to the size of the bezel slot 241; specifically, the projection 251 is disposed in the bezel 241, the key insertion hole 252 is disposed on the key cylinder 25, after the key is inserted into the key insertion hole 252, the key can be twisted clockwise or counterclockwise, the projection 251 can rotate clockwise, and the projection 251 pushes the side surface of the bezel 241 while rotating clockwise, so that the key cylinder slider 24 can slide along the direction of the lock tongue 19 of the lock body, in this embodiment, the specific disposed position of the main blade 16 is in the area between the square protrusion 231 and the key cylinder slider 24, so that when the key cylinder slider 24 moves towards the lock tongue 19 of the lock body, the main blade 16 is driven to move along the direction of the lock tongue 19 by touching the main blade 16, and the ground hook slider 23 can also be driven to move along the direction of the lock tongue 19, while the main blade 16 moves along the direction of the lock body, the lock tongue blade 17 also moves clockwise, so as to drive the lock tongue 19 to slide towards the lock tongue spring 20, unlocking of the lock body and locking of the lock bolt 19 of the unlocked lock body are achieved.

The above is only a preferred embodiment of the present invention, and is not intended to limit the present invention, and various modifications and changes will occur to those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. A mechanical lock body, its characterized in that: the lock body cover plate is fixedly sealed on the lock body seat through bolts;

the first driving assembly comprises a main shifting piece movably arranged on the lock body seat and a lock tongue shifting piece sleeved and buckled on the main shifting piece; the upper end of the main shifting piece is provided with a first arc-shaped bulge; the bottom end of the lock tongue shifting piece is provided with a second arc-shaped bulge; the second arc-shaped bulge is buckled on the arc-shaped bulge to form an incomplete ring; one side of the main shifting piece is provided with a square hole used for inserting the square shaft in the vertical direction.

2. A mechanical lock according to claim 1, wherein: a stop block mounting groove, a lock tongue mounting groove, a first guide strip and a second guide strip are arranged in the lock body seat from top to bottom; the first guide strip and the second guide strip of the lock tongue are parallel to the side edge of the lock body seat; the locking assembly comprises a lock tongue block movably mounted on the block mounting groove, a lock body lock tongue movably mounted on the lock tongue mounting groove, and a top and bottom hook sliding block movably mounted on the first guide strip; the second driving assembly comprises a lock cylinder sliding block movably arranged on the second guide strip.

3. A mechanical lock according to claim 2, wherein: a lock tongue spring is fixedly arranged between the lock body lock tongue and the inner side wall of the lock body seat, and the lock body lock tongue protrudes outwards from the side surface of the lock body seat in a natural state; the upper end of the top and bottom hook sliding block is provided with a square bulge, and the side part of the top and bottom hook sliding block is also provided with a mounting hole for connecting with a connecting rod; the main shifting piece is arranged between the square bulge and the lock cylinder sliding block.

4. A mechanical lock according to claim 2, wherein: an arc-shaped groove is formed in the upper top surface of the lock tongue of the lock body, and the lock tongue shifting piece is arranged on the arc-shaped groove; the side surface of the lock cylinder protrudes outwards to form a convex block, the lock cylinder sliding block is provided with an oblique groove along one side of the lock cylinder, the convex block is matched with the oblique groove, and the lock cylinder sliding block slides on the second guide strip by rotating the convex block on the lock cylinder.

5. A mechanical lock according to claim 2, wherein: a stop spring is arranged between the lock tongue stop dog and the lock body seat, and the top of the lock tongue stop dog protrudes out of the side surface of the lock body seat in a natural state; the top end face of the top-bottom hook sliding block is also provided with a spring mounting hole, a spring is further mounted in the spring mounting hole, and a top-bottom hook sliding block steel ball is fixed on the spring.