CN213297490U

CN213297490U - Transmission box for door and window lock

Info

Publication number: CN213297490U
Application number: CN202021556957.1U
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 transmission box for a door and window lock comprises a box body with a through hole and an accommodating groove and a transmission assembly arranged in the accommodating groove, wherein the transmission assembly comprises a linkage part and a driving part, the linkage part drives the transmission part, the driving part drives the linkage part to move horizontally, the linkage part is arranged in the accommodating groove and is in sliding connection with the box body, the upper end and the lower end of the linkage part are respectively provided with a transmission part connecting position and a driving groove, the driving part comprises a rotating shaft and a swinging block capable of swinging in the accommodating groove in a reciprocating manner, the rotating shaft is arranged in the accommodating groove and is rotationally connected with the box body, and the rotating shaft is provided; the swinging block is fixedly arranged on the rotating shaft, and the swinging block is provided with a pushing part which is inserted into the driving groove and movably pushes the groove wall of the driving groove to drive the linkage piece to move. The utility model discloses cancelled traditional gear drive, drawback when having avoided the tool to lock to adopt gear drive need not anxious disconnected tooth phenomenon of appearance, makes the tool to lock work for a long time steadily, guarantees the normal of door and window and opens and close.

Description

Transmission box for door and window lock

Technical Field

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

Background

In the lock for doors and windows, in order to realize the firm locking of the doors and windows, a mechanism which extends out of a bolt upwards, downwards, leftwards and rightwards respectively is usually adopted, and the structure of two locking points is utilized for locking, so that the reliability of the lock is ensured. And in order to realize rotating the control point, can realize the action of two lock points simultaneously, current tool to lock all includes a transmission box, then including multiunit gear drive in the transmission box for when twisting the control point, through the transmission cooperation between a plurality of gears, make the driving medium that sets up two drive spring bolt actions in the transmission box can do rectilinear movement, realized the locking action of tool to lock.

However, the existing transmission box structure acts through multiple groups of gear transmission mechanisms, the transmission structure is complex, the number of gears adopted in the gear transmission mechanisms is large, and when any gear in the gear transmission mechanisms breaks, the whole lockset can be directly locked, and normal opening and closing of doors and windows are affected.

SUMMERY OF THE UTILITY MODEL

In order to overcome the defects of the prior art, the utility model provides a transmission box used on a door and window lock.

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

the utility model provides a transmission box for on door and window tool to lock, includes the box body that has through-hole, holding tank, locates the transmission assembly in the holding tank, its characterized in that: the transmission assembly comprises a linkage part and a driving part, the linkage part drives the transmission part to move horizontally, the linkage part is arranged in the accommodating groove and is in sliding connection with the box body, the upper end and the lower end of the linkage part are respectively provided with a transmission part connecting position and a driving groove, the driving part comprises a rotating shaft and a swinging block capable of swinging in the accommodating groove in a reciprocating manner, the rotating shaft is arranged in the accommodating groove and is rotationally connected with the box body, and the rotating shaft is provided with a driving hole corresponding to the through hole; the swinging block is fixedly arranged on the rotating shaft, and the swinging block is provided with a pushing part which is inserted into the driving groove and movably pushes the groove wall of the driving groove to drive the linkage piece to move.

The utility model discloses in, the lower extreme of linkage still is equipped with the empty position of keeping away that makes the lower extreme of linkage divide into two linkage portions, it is equipped with two that set up respectively in two linkage portions to keep away to be equipped with in the empty position the drive groove, it corresponds two of cooperation respectively to be equipped with on the swing piece two of drive groove support the portion of pushing away.

The utility model discloses in, the through-hole rotates the hole including setting up the first rotation hole and the second at both ends around the box body respectively, both ends set firmly respectively around the pivot and are used for rotating to connect in the first link in first rotation hole and are used for rotating to connect in the second link in the second rotation hole.

The utility model discloses in, be equipped with the spacing subassembly that is used for restricting the reciprocal swing stroke of swing piece in the holding tank, spacing subassembly is including relative first stopper and the second stopper that sets up in the holding tank, swing piece is located between first stopper and the second stopper.

The utility model discloses in, it holds in the palm the position to be equipped with first arc on the first stopper, it holds in the palm the position to be equipped with the second arc on the second stopper, the both sides of swing piece are protruding respectively to extend to have the first spacing portion that corresponds first arc and hold in the palm the position and the spacing portion of second that corresponds second arc and hold in the palm the position.

The utility model discloses in, be equipped with the guide way that is located the holding tank on the box body, be equipped with the guide part of sliding connection in the guide way on the linkage piece.

The utility model has the advantages that: the utility model discloses a drive assembly that linkage and driving piece are constituteed has cancelled traditional gear drive as the drive mechanism who drives the driving medium action to drawback when having avoided the tool to lock to adopt gear drive need not anxious disconnected tooth phenomenon of appearance, makes the tool to lock can work for a long time steadily, guarantees door and window's normal opening and close. And the design structure of transmission box is simple, reasonable, has advantages such as intensity height, job stabilization, effectively improves the stability of transmission assembly action, improves the life and the quality of tool to lock.

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 schematic view of the internal structure of the present embodiment;

FIG. 3 is a schematic structural view of a transmission assembly;

FIG. 4 is a schematic view of the combination of the outer case and the case;

FIG. 5 is an exploded view of the outer housing and the cassette;

FIG. 6 is an exploded view of the first embodiment;

fig. 7 is an exploded view of the second embodiment.

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", "clockwise", "counterclockwise", 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, but do not indicate or imply that the device or element being 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. 1-3, a transmission box for door and window lock, including the box body 1 that has through-hole, holding tank, locate the transmission assembly in the holding tank. The transmission assembly comprises a linkage piece 3 for driving the transmission piece and a driving piece 4 for driving the linkage piece 3 to move horizontally, the linkage piece 3 is arranged in the accommodating groove and is in sliding connection with the box body 1, the upper end and the lower end of the linkage piece 3 are respectively provided with a transmission piece connecting position 31 exposed outside the accommodating groove and a driving groove 32 hidden in the accommodating groove, and the linkage piece 3 is connected with the transmission piece for driving the lock tongue to move through the transmission piece connecting position 31 so as to drive the lock tongue to move. Further, driving piece 4 includes pivot 41, by pivot 41 drive oscillating block 42 of reciprocating swing in the holding tank, pivot 41 is located in the holding tank and is rotated with box body 1 and be connected, be equipped with the drive bore 44 that corresponds the through-hole on the pivot 41, driving piece 4 passes through the drive bore 44 and is connected in order to rotate with the handle transmission shaft cooperation of tool to lock. Further, the swinging block 42 is fixedly arranged on the rotating shaft 41, and the swinging block 42 is provided with a pushing portion 43 which is inserted into the driving groove 32 and movably pushes against the groove wall of the driving groove 32 to drive the linkage member 3 to move.

Further, the driving groove 32 may be disposed outside the linkage member 3, and then the pushing portion 43 of the swinging block 42 moves in the driving groove 32, so that the pushing portion 43 pushes the groove wall of the driving groove 32 to actuate the driving member 4. In this embodiment, the lower end of the linkage member 3 is further provided with an escape position 5 for dividing the lower end of the linkage member 3 into two linkage portions 33, each linkage portion 33 is provided with a driving groove 32 located in the escape position 5, and the swinging block 42 is provided with two abutting portions 43 respectively matching with the driving grooves 32 of the two linkage portions 33, so as to enhance the transmission stability of the transmission assembly and prolong the service life of the transmission assembly.

Preferably, as shown in fig. 4 to 5, the outer casing 2 is installed at the upper end of the box body 1, the transmission member includes a main transmission member 21 and a sub transmission member 22 which are slidably installed in the outer casing 2, and the main transmission member 21 is provided with an insertion portion 23 which is inserted into the transmission member connection position 31, so that the linkage member 3 drives the main transmission member 21 to move. Further, a main rack portion is arranged at one end, close to the driven transmission member 22, of the main transmission member 21, a driven rack portion opposite to the main rack portion is arranged at one end, close to the main transmission member 21, of the driven transmission member 22, a rotatable gear 24 is arranged in the outer shell 2, the gear 24 is located between the main rack portion and the driven rack portion, and the gear 24 is meshed with the main rack portion and the driven rack portion. When the lock is used, the linkage piece 3 drives the main transmission piece 21 to move linearly, so that the main toothed bar part on the main transmission piece 21 drives the gear 24 to rotate, the gear 24 drives the driven transmission piece 22 to move linearly, the main transmission piece 21 and the driven transmission piece 22 move in the opposite direction or in the opposite direction, the lock tongue connected with the main transmission piece 21 and the lock tongue connected with the driven transmission piece 22 move synchronously, and the lock opening and closing action is realized.

Preferably, the rotating shaft 41, the swinging block 42 and the pushing portion 43 are integrally formed, so as to improve the strength of the driving member 4, and enable the driving member 4 to stably operate for a long time. Further, the through hole includes a first rotating hole 11 and a second rotating hole 12 respectively disposed at the front and rear ends of the box body 1, a first connecting end 41a rotatably connected to the first rotating hole 11 and a second connecting end 41b rotatably connected to the second rotating hole 12 are respectively fixedly disposed at the front and rear ends of the rotating shaft 41, and the rotating shaft 41 is rotatably connected to the first rotating hole 11 and the second rotating hole 12. Meanwhile, the diameter of the rotating shaft 41 is larger than the diameters of the first and second connection ends 41a and 41b, so that the rotating shaft 41 is prevented from moving axially, so that the pushing portion 43 moves stably in the driving groove 32. Further, the driving hole 44 penetrates through the rotating shaft 41, the first connecting end 41a and the second connecting end 41b so as to correspond to the through hole.

Preferably, a limiting assembly for limiting the reciprocating swing stroke of the swing block 42 is arranged in the accommodating groove, the limiting assembly comprises a first limiting block 6 and a second limiting block 7 which are oppositely arranged in the accommodating groove, and the swing block 42 is positioned between the first limiting block 6 and the second limiting block 7; when the swinging block 42 abuts against the first limit block 6 in the clockwise swinging process, the swinging block 42 is limited by the first limit block 6 and can not swing any more; similarly, when the swing block 42 abuts against the second limit block 7 in the counterclockwise swing process, the swing block 42 is limited by the second limit block 7 and cannot swing any more. Further, a first arc-shaped support position is arranged on the first limiting block 6, a second arc-shaped support position is arranged on the second limiting block 7, and a first limiting portion 42a corresponding to the first arc-shaped support position and a second limiting portion 42b corresponding to the second arc-shaped support position are respectively and convexly extended on two sides of the swinging block 42; when the swing block 42 wages, the first limiting portion 42a movably abuts against the first arc-shaped support position, the second limiting portion 42b movably abuts against the second arc-shaped support position, the friction of the swing block 42 can be reduced through the first limiting portion 42a and the second limiting portion 42b, and meanwhile, the strength of the swing block 42 is enhanced.

Preferably, the box body 1 is provided with a guide groove 13 located in the accommodating groove, and the linkage member 3 is provided with a guide part 34 connected in the guide groove 13 in a sliding manner, so that the linkage member 3 is connected with the box body 1 in a sliding manner and can move directionally, and the stability of the action of the driving transmission member is ensured. Further, be equipped with the light weight groove 35 that is used for reducing linkage 3 weight on the linkage 3, convenience of customers drive linkage 3 reciprocating motion in the holding tank of box body 1 to effective reduction in production cost.

Preferably, as shown in fig. 1, 6 and 7, two handle connecting positions 14 for connecting lock handles in a matching manner are arranged at the lower end of the box body 1, and the two handle connecting positions 14 are symmetrically arranged. Meanwhile, the box body 1 comprises a first shell 1a and a second shell 1b which are oppositely arranged, a first connecting part 1c is arranged at the left end of the first shell 1a, a first connecting hole 1d which penetrates through the first shell 1a is arranged at the outer side of the first shell 1a, and a first screw hole 1e is arranged at the inner side of the first shell 1 a; the right end of the second shell 1b is provided with a second connecting part 1f, the outer side of the second shell 1b is provided with a second connecting hole 1g which penetrates through the second shell, the inner side of the second shell 1b is provided with a second screw hole 1h, and when the first shell 1a and the second shell 1b are oppositely connected, the first connecting part 1c and the second connecting part 1f are symmetrically arranged in the left and right directions to form connecting lugs which are positioned at the left and right ends of the box body 1 and used for being connected with other parts of doors and windows or locksets; the first connecting hole 1d corresponds to the second screw hole 1h, and the screw penetrates through the first connecting hole 1d and is in threaded fit with the second screw hole 1 h; the second connecting hole 1g corresponds to the first screw hole 1e, and the screw passes through the second connecting hole 1g to be in threaded fit with the first screw hole 1e, so that the first shell 1a and the second shell 1b are fixedly connected. In this embodiment, the first housing 1a and the second housing 1b are both provided with the first stopper 6 and the second stopper 7.

Further, a first pipe body corresponding to the first connection hole 1d and a first cylinder provided with the first screw hole 1e are arranged on the inner side of the first housing 1a, and a second pipe body corresponding to the second connection hole 1g and a second cylinder provided with the second screw hole 1h are arranged on the inner side of the second housing 1 b; when first casing 1a and second casing 1b are connected relatively, first body and the cooperation of second cylinder counterbalance, the cooperation of second body and first cylinder counterbalance to avoid the screw excessively to tighten up first casing 1a and second casing 1b and make the space of holding tank reduce, effectively guarantee to have sufficient space in the holding tank and let transmission assembly normally make corresponding action steadily.

Still further, a positioning structure is arranged between the first casing 1a and the second casing 1b, and the positioning structure comprises a first matching part 1i arranged at the right end of the first casing 1a, a first concave position 1j arranged on the first connecting part 1c, a second matching part 1k arranged at the left end of the second casing 1b, and a second concave position 1l arranged on the second connecting part 1 f; when the first housing 1a and the second housing 1b are connected to each other, the first fitting portion 1i is fitted into the second recess 1l, and the second fitting portion 1k is fitted into the first recess 1j, thereby completing the positioning between the first housing 1a and the second housing 1 b. Further, the positioning structure further comprises a first protrusion 1m and a first groove 1n arranged at the lower end of the first shell 1a, and a second protrusion 1o and a second groove 1p arranged at the lower end of the second shell 1b, wherein when the first shell 1a and the second shell 1b are connected relatively, the first protrusion 1m is embedded into the second groove 1p, and the second protrusion 1o is embedded into the first groove 1 n.

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 transmission box for on door and window tool to lock, includes box body (1) that has through-hole, holding tank, locates the transmission assembly in the holding tank, its characterized in that: the transmission assembly comprises a linkage piece (3) for driving the transmission piece and a driving piece (4) for driving the linkage piece (3) to move horizontally, the linkage piece (3) is arranged in the accommodating groove and is in sliding connection with the box body (1), the upper end and the lower end of the linkage piece (3) are respectively provided with a transmission piece connecting position (31) and a driving groove (32), the driving piece (4) comprises a rotating shaft (41) and a swinging block (42) capable of swinging in the accommodating groove in a reciprocating mode, the rotating shaft (41) is arranged in the accommodating groove and is rotatably connected with the box body (1), and the rotating shaft (41) is provided with a driving hole (44) corresponding to the through hole; the swinging block (42) is fixedly arranged on the rotating shaft (41), and the swinging block (42) is provided with a pushing part (43) which is inserted into the driving groove (32) and movably pushes the groove wall of the driving groove (32) to drive the linkage piece (3) to move.

2. The transmission box for door and window lock as claimed in claim 1, wherein: the lower end of the linkage piece (3) is further provided with a space avoiding position (5) which enables the lower end of the linkage piece (3) to be divided into two linkage parts (33), two driving grooves (32) which are respectively arranged on the two linkage parts (33) are arranged in the space avoiding position (5), and two abutting parts (43) which are respectively correspondingly matched with the two driving grooves (32) are arranged on the swinging block (42).

3. The transmission box for door and window lock as claimed in claim 1, wherein: the through hole comprises a first rotating hole (11) and a second rotating hole (12) which are respectively arranged at the front end and the rear end of the box body (1), and a first connecting end (41 a) used for being rotatably connected into the first rotating hole (11) and a second connecting end (41 b) used for being rotatably connected into the second rotating hole (12) are respectively fixedly arranged at the front end and the rear end of the rotating shaft (41).

4. The transmission box for door and window lock as claimed in claim 1, wherein: the oscillating mechanism is characterized in that a limiting assembly used for limiting the reciprocating oscillating stroke of the oscillating block (42) is arranged in the accommodating groove, the limiting assembly comprises a first limiting block (6) and a second limiting block (7) which are oppositely arranged in the accommodating groove, and the oscillating block (42) is located between the first limiting block (6) and the second limiting block (7).

5. The transmission box for door and window lock as claimed in claim 4, wherein: the swing mechanism is characterized in that a first arc-shaped supporting position is arranged on the first limiting block (6), a second arc-shaped supporting position is arranged on the second limiting block (7), and a first limiting portion (42 a) corresponding to the first arc-shaped supporting position and a second limiting portion (42 b) corresponding to the second arc-shaped supporting position are respectively and convexly extended on two sides of the swing block (42).

6. The transmission box for door and window lock as claimed in claim 1, wherein: the box body (1) is provided with a guide groove (13) located in the accommodating groove, and the linkage piece (3) is provided with a guide part (34) connected in the guide groove (13) in a sliding manner.