CN213297489U

CN213297489U - Linkage mechanism for door and window lock

Info

Publication number: CN213297489U
Application number: CN202021556956.7U
Authority: CN
Inventors: 麦润银
Original assignee: Individual
Current assignee: Individual
Priority date: 2020-07-30
Filing date: 2020-07-30
Publication date: 2021-05-28
Anticipated expiration: 2030-07-30

Abstract

A linkage mechanism for a door and window lock comprises a shell and a rotating shaft, wherein the shell is provided with a through hole, the rotating shaft is rotatably connected with the through hole in the shell, the rotating shaft is provided with a square hole, an upper chute and a lower chute are arranged in the shell, and the rotating shaft is provided with a first linkage hole hinged with an upper transmission mechanism and a second linkage hole hinged with a lower transmission mechanism; the upper transmission mechanism comprises an upper linkage piece arranged on the upper chute in a sliding manner, and a first connecting rod piece, wherein two ends of the first connecting rod piece are respectively hinged to the first linkage hole and the lower end of the upper linkage piece; the lower transmission mechanism comprises a lower linkage piece which is slidably arranged on the lower chute and a second connecting rod piece, and the two ends of the second connecting rod piece are respectively hinged to the second linkage hole and the upper end of the lower linkage piece. The utility model discloses a linkage, lower linkage go up the linkage simultaneously and carry out synchronous equidistance removal and drive locking piece and locking or unblock down with locking piece to realize the function that the equal unblock of handle corotation and reversal, satisfy user's different operation requirements, convenience of customers use under the different situation.

Description

Linkage mechanism for door and window lock

Technical Field

The utility model relates to a tool to lock field, concretely relates to a link gear for on door and window tool to lock.

Background

The multipoint lock is one kind of door and window lock, and has one inclined bolt and/or square bolt with locking function, one upper locking part and one lower locking part added to lock door and window simultaneously via the linkage mechanism of the lock to raise the anti-theft and anti-prying performance of door and window. Meanwhile, due to the difference of the installation position and the main function of the lockset, the indoor door and window lockset is also provided with no oblique tongue and square tongue, and the door and window can be locked only by the upper locking piece and the lower locking piece.

However, due to the structural limitation of the conventional linkage mechanism, the handle for driving the linkage mechanism to move usually has only one rotation direction to rotate forward or backward for unlocking, so that the use is inconvenient, and when a user carelessly operates the handle in the reverse direction, the internal structure of the handle is easily damaged to a certain extent.

Therefore, in view of the above problems, it is necessary to develop a link mechanism capable of rotating in the forward direction or in the reverse direction, and to meet the demand of the market.

SUMMERY OF THE UTILITY MODEL

In order to overcome the defects of the prior art, the utility model provides a link gear used on a door and window lockset.

The utility model provides a technical scheme that its technical problem adopted is:

the utility model provides a link gear for on door and window tool to lock, includes casing, pivot, be equipped with the through-hole on the casing, the pivot is connected with the through-hole rotation in the casing, be equipped with the square strip hole that supplies the square strip male of handle, its characterized in that in the pivot: an upper chute and a lower chute which are respectively positioned at the upper end and the lower end of the rotating shaft are arranged in the shell, a first linkage hole hinged with an upper transmission mechanism and a second linkage hole hinged with a lower transmission mechanism are arranged on the rotating shaft, and the first linkage hole and the second linkage hole are symmetrically arranged; the upper transmission mechanism comprises an upper linkage piece arranged on the upper chute in a sliding manner, and a first connecting rod piece, wherein two ends of the first connecting rod piece are respectively hinged to the first linkage hole and the lower end of the upper linkage piece; the lower transmission mechanism comprises a lower linkage piece which is slidably arranged on the lower chute, and a second connecting rod piece, wherein two ends of the second connecting rod piece are respectively hinged on the second linkage hole and the upper end of the lower linkage piece.

The utility model discloses in, the outside of pivot is equipped with the drive wheel, it has annular movable groove to fit with a contraceptive ring to cut on the surface of drive wheel, first linkage hole and second linkage pore symmetry locate on the drive wheel and run through the drive wheel, the lower extreme of first connecting rod spare inserts in the annular movable groove with first linkage hole articulated, the upper end of second connecting rod spare is inserted in the annular movable groove with the second linkage hole articulated.

The utility model discloses in, the lower extreme of going up the linkage extends has two last installation departments that are the symmetry and set up, goes up to form between two installation departments and goes up the installation position, the upper end of first connecting rod spare is inserted in last installation position and is articulated through last articulated shaft and two last installation departments.

The utility model discloses in, be equipped with the last spread groove that is used for installing the locking piece on the up end of going up the linkage.

The utility model discloses in, the upper end of lower linkage extends has two lower installation departments that are the symmetry and set up, forms down the installation position between two lower installation departments, the lower extreme of second connecting rod spare inserts down in the installation position through articulated shaft and two lower installation departments articulated down.

The utility model discloses in, be equipped with the lower spread groove that is used for installation locking piece down on the lower terminal surface of lower linkage piece.

In the present invention, the first link member and the second link member have the same shape and size.

The utility model has the advantages that: the utility model drives the first connecting rod piece and the second connecting rod piece to respectively link the upper linkage piece and the lower linkage piece to synchronously move at the same distance through the rotating shaft capable of rotating forwards and reversely, thereby realizing the function of unlocking the handle by rotating forwards and reversely, effectively meeting different use requirements of users and facilitating the use of the users under different conditions; and the utility model discloses the precision and the stability that linkage, lower linkage removed are high on the synchronous drive, effectively guarantee tool to lock practical quality, are fit for popularizing and applying extensively.

Drawings

The invention will be further explained with reference to the drawings and the embodiments below:

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

FIG. 2 is a bottom view of the present embodiment;

FIG. 3 is a front view of the present embodiment with the first housing removed;

FIG. 4 is a schematic structural diagram of the second housing of the present embodiment;

FIG. 5 is a schematic view of the operation of the linkage mechanism in the locked state of the lock;

FIG. 6 is a schematic view of the rotating shaft rotating forward and unlocking;

FIG. 7 is a schematic view of the reverse unlocking of the spindle;

FIG. 8 is a first schematic view of a linkage mechanism in an alternative housing configuration;

fig. 9 is a schematic diagram of a second linkage mechanism in another housing structure.

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the drawings in the embodiments of the present invention are combined below to clearly and completely describe the technical solutions in the embodiments of the present invention.

In the description of the present invention, it is to be understood that the terms "upper", "lower", "left", "right", "front", "rear", "inner", "outer", "forward", "reverse", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.

Referring to fig. 1~9, a link gear for on door and window tool to lock, casing 1, pivot 2 including first casing and the combination of second casing, be equipped with the through-hole 11 that runs through first casing and second casing on casing 1, pivot 2 rotates with through-hole 11 in casing 1 to be connected, be equipped with the square strip male square strip hole that supplies the handle in pivot 2, supply the square strip of handle to insert in the square strip hole to rotate the handle and can drive pivot 2 and rotate. Further, be equipped with the last spout 12 and the lower spout 13 that are located pivot 2 upper and lower both ends respectively in casing 1, be equipped with the first linkage hole 21 that articulates there is last drive mechanism and the second linkage hole 22 that articulates there is lower drive mechanism on the pivot 2, first linkage hole 21 and second linkage hole 22 are the symmetry setting.

Still further, the upper transmission mechanism comprises an upper linkage member 3 slidably mounted on the upper chute 12, and an upper locking member 5, two ends of which are respectively hinged to the first linkage hole 21 and the lower end of the upper linkage member 3, wherein the upper linkage member 3 is used for driving locking; the lower transmission mechanism comprises a lower linkage piece 4 which is slidably arranged on the lower sliding chute 13, and a second connecting rod piece 6, wherein two ends of the second connecting rod piece 6 are respectively hinged on the second linkage hole 22 and the upper end of the lower linkage piece 4, and the lower linkage piece 4 is used for driving a lower locking piece for locking. When the rotating shaft 2 rotates forwards or reversely, the upper linkage piece 3 and the lower linkage piece 4 synchronously move at the same distance in a linkage way through the first linkage piece 5 and the second linkage piece 6, so that the aim of locking or releasing the door and window at the same time is fulfilled.

Preferably, the first link member 5 and the second link member 6 are parallel to each other to form a parallel transmission mechanism which is kept in a parallel state in any condition, so that the first link member 5 and the second link member 6 are kept parallel in the moving process and the static process, thereby ensuring the precision of synchronous same-distance movement of the upper link member 3 and the lower link member 4.

Preferably, a driving wheel 23 integrally formed with the rotating shaft 2 is arranged on the outer side of the rotating shaft, an annular movable groove 24 is annularly cut on the outer surface of the driving wheel 23, the first linkage hole 21 and the second linkage hole 22 are symmetrically arranged on the driving wheel 23 and penetrate through the driving wheel 23, the lower end of the first connecting rod 5 is inserted into the annular movable groove 24 and hinged to the first linkage hole 21, and the upper end of the second connecting rod 6 is inserted into the annular movable groove 24 and hinged to the second linkage hole 22. The structure can limit the two sides of the first connecting rod piece 5 and the second connecting rod piece 6 by the two sides of the annular movable groove 24, so that the first connecting rod piece 5 and the second connecting rod piece 6 are not displaced and deformed in the moving process, and the working stability of the first connecting rod piece 5 and the second connecting rod piece 6 is effectively improved.

Go up the lower extreme of linkage 3 and extend and have two last installation department 31 that are the symmetry and set up, form the installation position between two last installation departments 31, the upper end of first link spare 5 is inserted and is gone up the installation position in through last articulated shaft and two last installation departments 31 articulated, and the activity error when this structure can reduce the activity of first link spare 5, guarantees that last linkage 3 can lock or release door and window's action simultaneously with lower linkage 4. Furthermore, an upper connecting groove 32 for installing an upper locking piece is arranged on the upper end surface of the upper linkage piece 3, one end of the upper locking piece is installed in the upper connecting groove 32, and the upper linkage piece 3 drives the upper locking piece to move; meanwhile, the outer side surface of the upper end of the upper linkage piece 3 is provided with an upper locking hole 33 communicated with the upper connecting groove 32 and an upper mounting groove 34 correspondingly communicated with the upper locking hole 33, an assembling worker inserts a strip-shaped connecting piece from the upper locking hole 33 to lock and fix the upper locking piece in the upper connecting groove 32, and the part of the strip-shaped connecting piece protruding outwards is hidden by the upper mounting groove 34, so that the upper linkage piece 3 is prevented from moving in the upper sliding groove 12.

Preferably, the upper end of the lower linkage member 4 extends to form two lower mounting portions 41 which are symmetrically arranged, a lower mounting position is formed between the two lower mounting portions 41, the lower end of the second connecting rod member 6 is inserted into the lower mounting position and is hinged to the two lower mounting portions 41 through a lower hinge shaft, the structure can reduce the movement error of the second connecting rod member 6 during movement, and the lower linkage member 4 and the upper linkage member 3 can be ensured to lock or release the door and window simultaneously. Further, a lower connecting groove 42 for installing a lower locking piece is arranged on the lower end surface of the lower linkage piece 4, one end of the lower locking piece is installed in the lower connecting groove 42, and the upper linkage piece 3 drives the upper locking piece to move; meanwhile, the outer side surface of the lower end of the lower linkage piece 4 is provided with a lower locking hole 43 communicated with the lower connecting groove 42 and a lower mounting groove 44 correspondingly communicated with the lower locking hole 43, an assembly worker inserts a strip-shaped connecting piece from the lower locking hole 43 to lock and fix the lower locking piece in the lower connecting groove 42, and the part of the strip-shaped connecting piece protruding out is hidden by the lower mounting groove 44, so that the influence on the movement of the lower linkage piece 4 in the lower sliding groove 13 is avoided.

Preferably, the first connecting rod piece 5 and the second connecting rod piece 6 are the same in shape and size, so that the upper linkage piece 3 and the lower linkage piece 4 can synchronously move back to back or move towards each other at the same distance when the rotating shaft 2 rotates, and the upper linkage piece 3 and the lower linkage piece 4 can be ensured to lock or release the door and window at the same time.

Preferably, referring to fig. 1-2, the cross section of the upper linkage member 3 is a cross-shaped structure, and an upper guide opening matched with the cross section of the upper linkage member 3 is formed in the upper end of the housing 1, so that the upper linkage member 3 is guided when moving, and the moving precision of the upper linkage member 3 is ensured. Similarly, the cross section of the lower linkage member 4 is in a cross-shaped structure, and the lower end of the shell 1 is provided with a lower guide port matched with the cross section of the lower linkage member 4, so that the lower linkage member 4 is guided when moving, and the moving precision of the lower linkage member 4 is ensured.

The above description is only the preferred embodiment of the present invention, and the technical solutions of the objects of the present invention are all within the protection scope of the present invention as long as the objects are achieved by the substantially same means.

Claims

1. The utility model provides a link gear for on door and window tool to lock, includes casing (1), pivot (2), be equipped with through-hole (11) on casing (1), pivot (2) rotate with through-hole (11) in casing (1) and be connected, be equipped with the square strip male square strip hole that supplies the handle on pivot (2), its characterized in that: an upper chute (12) and a lower chute (13) which are respectively positioned at the upper end and the lower end of the rotating shaft (2) are arranged in the shell (1), a first linkage hole (21) which is hinged with an upper transmission mechanism and a second linkage hole (22) which is hinged with a lower transmission mechanism are arranged on the rotating shaft (2), and the first linkage hole (21) and the second linkage hole (22) are symmetrically arranged; the upper transmission mechanism comprises an upper linkage piece (3) which is slidably arranged on the upper chute (12), and a first connecting rod piece (5) of which two ends are respectively hinged on the first linkage hole (21) and the lower end of the upper linkage piece (3); the lower transmission mechanism comprises a lower linkage piece (4) which is slidably arranged on the lower sliding chute (13), and a second connecting rod piece (6) of which the two ends are respectively hinged on the second linkage hole (22) and the upper end of the lower linkage piece (4).

2. The linkage mechanism of claim 1, wherein: the outside of pivot (2) is equipped with drive wheel (23), it has annular movable groove (24) to cut on the surface of drive wheel (23), drive wheel (23) are located to first linkage hole (21) and second linkage hole (22) symmetry and run through drive wheel (23), the lower extreme of first connecting rod piece (5) is inserted in annular movable groove (24) and is articulated with first linkage hole (21), the upper end of second connecting rod piece (6) is inserted in annular movable groove (24) and is articulated with second linkage hole (22).

3. The linkage mechanism of claim 1, wherein: the lower extreme of going up linkage (3) extends and has two last installation department (31) that are the symmetry and set up, goes up to form between two installation departments (31) and installs the position, the upper end of first connecting rod piece (5) is inserted and is gone up in the installation position and articulated through last articulated shaft and two last installation departments (31).

4. The linkage mechanism of claim 3, wherein: an upper connecting groove (32) for installing an upper locking piece is arranged on the upper end face of the upper linkage piece (3).

5. The linkage mechanism of claim 1, wherein: the upper end of lower linkage (4) extends and has two lower installation portion (41) that are the symmetry and set up, forms down the installation position between two lower installation portion (41), the lower extreme of second connecting rod spare (6) inserts and articulates through articulated shaft and two lower installation portion (41) down in the installation position down.

6. The linkage mechanism of claim 5, wherein: and a lower connecting groove (42) for mounting a lower locking piece is arranged on the lower end surface of the lower linkage piece (4).

7. The linkage mechanism of claim 1, wherein: the first connecting rod piece (5) and the second connecting rod piece (6) are the same in shape and size.