CN108868374B

CN108868374B - Variable-pitch external lock

Info

Publication number: CN108868374B
Application number: CN201810935268.2A
Authority: CN
Inventors: 余彦臻; 肖乃添
Original assignee: Zhongshan City Jixin Core Lock Co ltd
Current assignee: Zhongshan City Jixin Core Lock Co ltd
Priority date: 2018-08-16
Filing date: 2018-08-16
Publication date: 2023-07-14
Anticipated expiration: 2038-08-16
Also published as: CN108868374A

Abstract

The invention discloses a variable-distance external lock, which comprises a lock shell and a lock tongue assembly, wherein the lock tongue assembly comprises a lock tongue, a shifting fork used for enabling the lock tongue of the lock tongue assembly to extend out of or retract into the lock shell is arranged in the lock shell, the variable-distance external lock is characterized in that a movable assembly is arranged in the lock shell, the movable assembly comprises a rotating piece which is used for being connected with the lock core assembly and rotates along with the rotation of a lock liner of a lock core of the lock core assembly, the movable assembly further comprises a moving plate which can translate relative to the lock shell along the movement direction of the lock tongue extending out of or retracting into the lock shell, the rotating piece is rotatably connected to the moving plate, a first rotating shaft which rotates together with the rotating piece is arranged on the rotating piece, a second rotating shaft which rotates together with the shifting fork is arranged on the shifting fork, and a coupler which enables the first rotating shaft to drive the second rotating shaft to rotate is connected between the first rotating shaft and the second rotating shaft. The invention has the advantages of convenient use and strong interchangeability.

Description

Variable-pitch external lock

Technical Field

The invention relates to an external lock, in particular to a variable-distance external lock.

Background

For some exterior style door locks, which generally include an exterior lock body including a lock housing, a latch bolt assembly, and a movable member for moving the latch bolt of the latch bolt assembly, and a lock cylinder assembly mounted to an exterior side of the door, the lock cylinder of the lock cylinder assembly on the exterior side of the door generally has a square bar connected to the movable member in the exterior lock body through a hole in the door. In such exterior locks, the member of the exterior lock body to which the square bar is attached is generally not adjustable in position, and in the event of a slight deviation in the installation of the cylinder assembly on the exterior side of the door, it may be difficult to align the square bar therein with the mating member of the exterior lock body. Particularly in the lateral direction, i.e., the direction in which the locking bolt extends out of the housing, the installation adjustment is cumbersome once the plug assembly on the outside of the door is installed out of position in the above-described direction. In the case of replacing the cylinder assembly on the outer side of the door, the above-mentioned situation is more likely to occur, and the interchangeability is poor.

Disclosure of Invention

In order to solve the problems, the invention provides the variable-pitch externally-mounted lock, which can be conveniently matched with the mounting position of the lock cylinder component at one side outside the door, and has the advantages of convenient use and strong interchangeability.

The invention is realized by the following technical scheme:

the utility model provides a displacement external lock, includes lock shell, spring bolt subassembly includes the spring bolt, be provided with in the lock shell and be used for making the spring bolt of spring bolt subassembly stretches out or receive the shift fork of lock shell, be provided with movable assembly in the lock shell, movable assembly is including being used for being connected with the lock core subassembly, rotating along with the lock courage rotation of lock core subassembly and rotating, movable assembly still includes can stretch out or receive along the spring bolt the direction of motion of lock shell is relative the movable plate of lock shell translation, rotating piece rotatably connects on the movable plate, rotating piece is last to have the first axis of rotation with it, have the second axis of rotation with it on the shift fork, be connected with between first axis of rotation and the second axis of rotation and make first axis of rotation drive the shaft coupling that the second axis of rotation carries out the rotation.

As a preferred embodiment, further defined as: the movable plate is provided with a rotating piece sleeve used for enabling the rotating piece to rotate in the movable plate, the rotating piece is rotationally connected in the rotating piece sleeve, and the rotating piece is provided with a straight matching groove or a square matching hole.

As a preferred embodiment, further defined as: the lock shell is provided with a bottom plate and side plates connected to the periphery of the bottom plate, an accommodating space is formed by the bottom plate and the side plates in a surrounding mode, lock tongue holes are formed in the side plates, the lock tongue stretches out of the lock shell from the lock tongue holes, the moving plate, the coupler, the shifting fork and the lock tongue assembly are all located in the accommodating space, a connecting plate fixedly connected with the shell is arranged in the accommodating space, and a second rotating shaft on the shifting fork is rotatably connected to the connecting plate.

As a preferred embodiment, further defined as: the two ends of the moving plate are screwed with screws, the lock shell is provided with a strip-shaped chute for the screw body of the screws to move in, the strip-shaped chute extends towards the direction that the lock tongue stretches out of or is retracted into the lock shell, the nut of the screws is positioned above the strip-shaped chute, and the diameter of the nut of the screws is larger than the width of the strip-shaped chute.

As a preferred embodiment, further defined as: the coupling comprises a first rotating slide plate which is connected with a first rotating shaft and rotates along with the first rotating shaft, a second rotating slide plate which is connected with a second rotating shaft and drives a second rotating shaft to rotate, and a transmission part, wherein a first chute and a second chute which are respectively used for the first rotating slide plate and the second rotating slide plate to slide in are arranged on the transmission part, the extending directions of the first chute and the second chute are crossed, and the first rotating slide plate and the second rotating slide plate are respectively and movably connected in the first chute and the second chute.

As a preferred embodiment, further defined as: the first rotating shaft and the second rotating shaft are arranged in parallel and are perpendicular to the first rotating slide plate and the second rotating slide plate, the transmission part comprises two chute pieces which are fixedly connected with each other, each chute piece is provided with a bottom plate and side plates which are connected with two sides of the bottom plate, the bottom plate and the side plates enclose into a first chute and a second chute, the chute pieces are perpendicular to each other and are mutually attached, and the centers of the surfaces of the bottom plates of the chute pieces, which are mutually attached, coincide.

As a preferred embodiment, further defined as: the connecting plate with the bottom plate parallel arrangement of lock shell just will accommodation space separates two-layer, movable plate, shaft coupling set up the baffle is kept away from one side of the bottom plate of lock shell, the shaft coupling sets up the movable plate with between the connecting plate, shift fork and spring bolt subassembly set up the connecting plate is close to the opposite side of the bottom plate of lock shell.

As a preferred embodiment, further defined as: the bottom plate of lock shell is square, the curb plate of lock shell is for connecting four risers at four edges of the bottom plate of lock shell, four risers include one be higher than the installation riser of other three risers, the spring bolt hole sets up on the installation riser, be provided with the mounting hole that is used for supplying the screw to pass on the installation riser, the bar spout sets up on two relative riser.

As a preferred embodiment, further defined as: the novel lifting device comprises a lifting device, and is characterized by further comprising two L-shaped mounting plates, wherein the two L-shaped mounting plates are respectively and fixedly connected with the two vertical plates with the strip-shaped sliding grooves, strip-shaped holes are formed in the L-shaped mounting plates, the strip-shaped sliding grooves and screws in the strip-shaped sliding grooves are exposed, and mounting holes are formed in the L-shaped mounting plates.

The utility model provides a displacement external mounting lock subassembly, is including being used for installing in the lock core subassembly of the outer one side of door, lock core subassembly includes the lock core, the lock core includes the lock courage, a displacement external mounting lock subassembly still includes foretell displacement external mounting lock, lock core subassembly still include with lock courage circumference fixed connection's connecting strip, the rotation piece with connecting strip circumference fixed connection.

Compared with the prior art, the invention has the advantages that:

1. when the lock cylinder assembly is used, the rotating piece is arranged on the movable plate, and the position of the rotating piece relative to the lock shell can be adjusted by adjusting the position of the movable plate, so that the lock cylinder assembly is matched with a lock cylinder of the lock cylinder assembly at one side outside the door. The invention has the advantages of convenient use and good interchangeability.

2. As a further development of the invention, the coupling preferably consists of a first rotary slide plate, a second rotary slide plate and a transmission part, and can still transmit power when the axes of the first rotary shaft and the second rotary shaft are staggered by a first chute and a second chute which are crossed on the transmission part.

3. As a further improvement of the invention, the moving plate is matched with the strip-shaped sliding groove on the lock shell through the screws at the two ends of the moving plate, the screws are locked after the moving plate moves to a proper position, the whole moving plate is locked on the lock shell by the screws, and the whole moving plate is stable in structure and prevented from shaking or moving during use.

Drawings

FIG. 1 is a schematic perspective view of an embodiment of the present invention;

FIG. 2 is an exploded view of one of the components of the present invention;

FIG. 3 is an enlarged schematic view at P of FIG. 2;

FIG. 4 is a schematic diagram of a second explosion of a component according to an embodiment of the present invention;

FIG. 5 is a schematic view of the structure of the removal lock housing and door handle of an embodiment of the present invention;

FIG. 6 is a front view of an embodiment of the present invention;

FIG. 7 is a schematic view of the structure of FIG. 6 with the movable plate removed;

FIG. 8 is a schematic view of the structure of the translation movement plate of FIG. 6;

FIG. 9 is a schematic view of the structure of FIG. 8 with the movable plate removed;

FIG. 10 is a schematic view of the structure of the rotary member and the first rotary slide plate of FIG. 9 after being rotated counterclockwise by a certain angle;

FIG. 11 is a schematic view of the structure of the rotary member and the first rotary slide plate of FIG. 10 after being rotated counterclockwise a certain angle.

Detailed Description

The invention is further described below with reference to embodiments shown in the drawings in which:

the utility model provides a displacement external lock, includes lock shell 1, spring bolt subassembly 2 includes spring bolt 20, be provided with in the lock shell 1 and be used for making the spring bolt 20 of spring bolt subassembly 2 stretches out or receive the shift fork 3 of lock shell 1, be provided with movable component in the lock shell 1, movable component includes be used for being connected with the lock core subassembly, rotate with the lock courage rotation of lock core subassembly and rotate, movable component still includes can stretch out or receive along spring bolt 20 the direction of motion of lock shell 1 is relative the translation of lock shell 1 movable plate 5, rotatable piece 4 is rotatably connected on movable plate 5, have with it the first axis of rotation 91 that rotates, have with it the second axis of rotation 92 on the shift fork 3, be connected with between first axis of rotation 91 and the second axis of rotation 92 and make first axis of rotation 91 drive the shaft coupling 6 that second axis of rotation 92 rotated.

When the lock is used, the lock is integrally arranged on one side in a door, the lock core assembly is arranged on one side outside the door, the lock core assembly comprises a lock core, and the lock liner of the lock core assembly on one side outside the door is connected with the rotating piece 4 through the connecting strip so that the lock liner, the connecting strip and the rotating piece 4 are circumferentially fixed and can rotate together, and the connecting strip is a square strip. Since the rotary member 4 is provided to be mounted on the moving plate 5, the position of the rotary member 4 with respect to the lock case can be adjusted by adjusting the position of the moving plate 5 so as to be adapted to the lock cylinder position of the cylinder assembly on the door outer side. The invention has the advantages of convenient use and good interchangeability.

Specifically, the moving plate 5 is provided with a rotating member sleeve 51 for the rotating member 4 to rotate therein, the rotating member 4 is rotatably connected in the rotating member sleeve 51, and the rotating member 4 is provided with a linear matching groove 41 or a square matching hole.

The lock case 1 is provided with a bottom plate and side plates connected to the periphery of the bottom plate, an accommodating space is formed by the bottom plate and the side plates, the side plates are provided with lock tongue holes 10 for the lock tongues 20 to extend out of the lock case 1, the moving plate 5, the coupler 6, the shifting fork 3 and the lock tongue assembly 2 are all arranged in the accommodating space, a connecting plate 7 fixedly connected with the shell 1 is arranged in the accommodating space, and a second rotating shaft 92 on the shifting fork 3 is rotatably connected to the connecting plate 7.

The two ends of the moving plate 5 are screwed with screws 501, the lock shell 1 is provided with a strip-shaped chute 11 for the screw body of the screws 501 to move in, the strip-shaped chute 11 extends towards the direction of the extension or retraction of the lock tongue 20 in the lock shell 1, the nut of the screws 501 is positioned above the strip-shaped chute 11, and the diameter of the nut of the screws 501 is larger than the width of the strip-shaped chute 11. After the moving plate 5 and the rotating member 4 thereon are adjusted, the screw 501 is locked, the screw 501 locks the whole moving plate 5 on the lock case 1, and the whole moving plate 5 has a stable structure and avoids shaking or moving during use.

The coupling 6 comprises a first rotating slide plate 61 connected with a first rotating shaft 91 and rotating along with the rotation of the first rotating shaft 91, and a second rotating slide plate 62 connected with a second rotating shaft 92 and driving the second rotating shaft 92 to rotate, the coupling 6 further comprises a transmission piece 63, a first slide groove 631 and a second slide groove 632 are arranged on the transmission piece 63, the first slide groove 631 and the second slide groove 632 are respectively used for sliding the first rotating slide plate 61 and the second rotating slide plate 62 in the first slide groove 631 and the second slide groove 632, groove extending directions of the first slide groove 631 and the second slide groove 632 are arranged in a crossing mode, and the first rotating slide plate 61 and the second rotating slide plate 62 are respectively movably connected in the first slide groove 631 and the second slide groove 632. Specifically, the first rotation shaft 91 and the second rotation shaft 92 have regular hexagonal cross-sectional shapes, and the first rotation slide plate 61 and the second rotation slide plate 62 have regular hexagonal holes that mate with the ends of the first rotation shaft 91 and the second rotation shaft 92. When the movable plate 5 and the rotating member 4 thereon translate, the driving member 63 adjusts the positions adaptively, and the positions of the first rotating slide 61 in the first slide slot 631 and the second rotating slide 62 in the second slide slot 632 are changed. When the first transmission shaft 91 rotates under the driving of the lock cylinder on the outer side of the door, the first rotating slide plate 61 rotates to drive the transmission member 63 to rotate, the transmission member 63 drives the second rotating slide plate 62 to rotate, and finally the second rotating shaft 92 and the driving member 3 are driven to rotate, so that the driving member 3 controls the lock tongue assembly to unlock and close the door lock. The transmission member 63 is similar to a special, variable-pitch "transmission gear", and is simple in structure and easy to implement. The above described movement process is seen in fig. 6 to 11.

Further, the first rotating shaft 91 and the second rotating shaft 92 are disposed in parallel and perpendicular to the first rotating slide plate 61 and the second rotating slide plate 62, the transmission member 63 includes two sliding groove members 633 fixedly connected to each other, the two sliding groove members 633 each have a bottom plate and side plates connected to two sides of the bottom plate, the bottom plate and the side plates enclose the first sliding groove 631 and the second sliding groove 632, the two sliding groove members 633 are disposed perpendicular to each other and the bottom plates of the sliding groove members 633 are attached to each other, and centers of surfaces of the bottom plates attached to each other of the two sliding groove members 633 are coincident.

The connecting plate 7 is arranged in parallel with the bottom plate of the lock shell 1 and divides the accommodating space into two layers, the moving plate 5 and the coupler 6 are arranged on one side of the partition plate away from the bottom plate of the lock shell 1, the coupler 6 is arranged between the moving plate 5 and the connecting plate 7, and the shifting fork 3 and the lock tongue assembly 2 are arranged on the other side of the connecting plate 7 close to the bottom plate of the lock shell 1.

The bottom plate of lock shell 1 is square, the curb plate of lock shell 1 is for connecting four risers at four edges of the bottom plate of lock shell 1, four risers include one be higher than the installation riser of other three risers, spring bolt hole 10 sets up on the installation riser, be provided with the mounting hole that is used for supplying the screw to pass on the installation riser, bar spout 11 sets up on two relative riser. The mounting holes on the mounting risers are used for passing through screws, and the mounting risers are mounted on the side surface of the door through the mounting holes.

The invention further comprises two L-shaped mounting plates 8, wherein the two L-shaped mounting plates 8 are respectively and fixedly connected with the two vertical plates with the strip-shaped sliding grooves 11, the L-shaped mounting plates 8 are provided with strip-shaped holes 81 which enable the strip-shaped sliding grooves 11 and the screws 501 in the strip-shaped sliding grooves 11 to be exposed, and the L-shaped mounting plates 8 are also provided with mounting holes. The invention is mounted on the door through the structure, and has simple structure and stable mounting.

Specifically, a second shift fork 300 is further disposed in the lock case 1, the second shift fork 300 is not connected with the shift fork 3, an indoor handle 301 for driving the second shift fork 300 to rotate is movably connected to the lock case 1, and the second shift fork 300 is used for driving the lock tongue 20 of the lock tongue assembly 2 to extend out of or retract into the lock case 1. The second fork 300 and the door handle 301 are used for unlocking or locking a door by a person in the door.

Specifically, the latch bolt assembly 2 includes a latch bolt assembly 21 and a latch bolt assembly 22 slidably connected in a horizontal direction in the lock case 1, the latch bolt assembly 21 includes a latch bolt 210 and a latch bolt holder 211, the latch bolt assembly 22 includes a latch bolt 220 and a latch bolt holder 221, and the driving member 3 has a toggle 31 thereon for toggling the latch bolt assembly 21 and/or the latch bolt assembly 22, so that the latch bolt 210 and/or the latch bolt 220 extends out of or is retracted into the lock case 1. The second fork 300 has thereon a second toggle handle 3001 for toggling the tongue assembly 21 and/or the tongue assembly 22 such that the tongue 210 and/or the tongue 220 extends out of or into the lock case 1. Two bolt holes 10 are arranged corresponding to the square bolt 210 and the inclined bolt 220, and the extending holes 10 are square holes.

The tongue holder 211 and the inclined tongue holder 221 are respectively provided with a matching opening 23 for matching with the toggle handle 31 of the driving member 3 or the second toggle handle 3001 of the second shifting fork 300.

The utility model provides a displacement external mounting lock subassembly, is including being used for installing in the lock core subassembly of outer one side of door, lock core subassembly includes the lock core, the lock core includes the lock courage, a displacement external mounting lock subassembly still includes foretell displacement external mounting lock, lock core subassembly still include with lock courage circumference fixed connection's connecting strip, rotate piece 4 with connecting strip circumference fixed connection.

Claims

1. A range-changing externally-mounted lock comprises a lock shell (1) and a lock tongue assembly (2), wherein the lock tongue assembly (2) comprises a lock tongue (20), a shifting fork (3) used for enabling the lock tongue (20) of the lock tongue assembly (2) to extend out of or retract into the lock shell (1) is arranged in the lock shell (1), the range-changing externally-mounted lock is characterized in that a movable assembly is arranged in the lock shell (1), the movable assembly comprises a rotating member (4) which is used for being connected with the lock cylinder assembly and rotates along with the rotation of a lock cylinder liner of the lock cylinder assembly, the movable assembly further comprises a moving plate (5) which can extend out of or retract into the lock tongue (20) along the movement direction of the lock shell (1) and is relatively translated with respect to the lock shell (5), the rotating member (4) is rotatably connected to the moving plate (5), the shifting fork (3) is provided with a first rotating shaft (91) which rotates together with the shifting fork, the shifting fork (3) is provided with a second rotating shaft (92) which rotates together with the first rotating shaft (91), and the second rotating shaft (92) is connected with the second rotating shaft (92) so that a first rotating shaft (6) can rotate along with the first rotating shaft (92); the movable plate (5) is provided with a rotating piece sleeve (51) for the rotating piece (4) to rotate in, the rotating piece (4) is rotationally connected in the rotating piece sleeve (51), and the rotating piece (4) is provided with a straight matching groove (41) or a square matching hole; the coupling (6) comprises a first rotating slide plate (61) which is connected with a first rotating shaft (91) and rotates along with the rotation of the first rotating shaft (91) and a second rotating slide plate (62) which is connected with a second rotating shaft (92) and drives the second rotating shaft (92) to rotate, the coupling (6) further comprises a transmission piece (63), a first slide groove (631) and a second slide groove (632) which are respectively used for the first rotating slide plate (61) and the second rotating slide plate (62) to slide in are arranged on the transmission piece (63), groove extending directions of the first slide groove (631) and the second slide groove (632) are arranged in a crossing mode, and the first rotating slide plate (61) and the second rotating slide plate (62) are respectively movably connected in the first slide groove (631) and the second slide groove (632).

2. The variable-pitch externally-mounted lock according to claim 1, wherein the lock housing (1) is provided with a bottom plate and side plates connected to the periphery of the bottom plate, the bottom plate and the side plates define an accommodating space, the side plates are provided with lock tongue holes (10) for the lock tongues (20) to extend out of the lock housing (1), the moving plate (5), the coupling (6), the shifting fork (3) and the lock tongue assembly (2) are all arranged in the accommodating space, a connecting plate (7) fixedly connected with the lock housing (1) is arranged in the accommodating space, and a second rotating shaft (92) on the shifting fork (3) is rotatably connected to the connecting plate (7).

3. The variable-pitch externally-mounted lock according to claim 2, wherein screws (501) are screwed at two ends of the moving plate (5), a strip-shaped chute (11) for allowing a nail body of the screws (501) to move in is arranged on the lock shell (1), the strip-shaped chute (11) extends towards the direction in which the lock tongue (20) stretches out or is retracted into the lock shell (1), a nail cap of each screw (501) is positioned above the strip-shaped chute (11), and the diameter of the nail cap of each screw (501) is larger than the width of the slot of the strip-shaped chute (11).

4. A variable-pitch external lock according to claim 1, wherein the first rotation shaft (91) and the second rotation shaft (92) are arranged in parallel and are perpendicular to the first rotation slide plate (61) and the second rotation slide plate (62), the transmission member (63) comprises two chute members (633) fixedly connected with each other, the two chute members (633) each have a bottom plate and side plates connected to two sides of the bottom plate, the bottom plate and the side plates enclose the first chute (631) and the second chute (632), the two chute members (633) are arranged perpendicular to each other and the bottom plates of the two chute members (633) are attached to each other, and centers of surfaces of the bottom plates of the two chute members (633) attached to each other are coincident.

5. The variable-pitch externally mounted lock according to claim 2, characterized in that the connecting plate (7) is arranged in parallel with the bottom plate of the lock case (1) and separates the accommodating space by two layers, the moving plate (5) and the coupling (6) are arranged on one side of the connecting plate (7) away from the bottom plate of the lock case (1), the coupling (6) is arranged between the moving plate (5) and the connecting plate (7), and the shifting fork (3) and the lock tongue assembly (2) are arranged on the other side of the connecting plate (7) close to the bottom plate of the lock case (1).

6. A variable-pitch externally mounted lock according to claim 3, characterized in that the bottom plate of the lock housing (1) is square, the side plates of the lock housing (1) are four vertical plates connected to four edges of the bottom plate of the lock housing (1), the four vertical plates comprise a mounting vertical plate higher than the other three vertical plates, the bolt holes (10) are formed in the mounting vertical plate, mounting holes for screws to pass through are formed in the mounting vertical plate, and the strip-shaped sliding grooves (11) are formed in the two opposite vertical plates.

7. The variable-pitch external lock according to claim 6, further comprising two L-shaped mounting plates (8), wherein the two L-shaped mounting plates (8) are fixedly connected with the two vertical plates with the bar-shaped sliding grooves (11), the L-shaped mounting plates (8) are provided with bar-shaped holes (81) for exposing the bar-shaped sliding grooves (11) and screws (501) in the bar-shaped sliding grooves (11), and the L-shaped mounting plates (8) are further provided with mounting holes.

8. A range-changing external lock assembly, characterized by comprising a lock cylinder assembly arranged on one side outside a door, wherein the lock cylinder assembly comprises a lock cylinder, the lock cylinder comprises a lock liner, the range-changing external lock assembly further comprises the range-changing external lock according to any one of claims 1 to 7, the lock cylinder assembly further comprises a connecting strip fixedly connected with the lock liner in the circumferential direction, and the rotating piece (4) is fixedly connected with the connecting strip in the circumferential direction.