CN217950021U

CN217950021U - Anti-falling fast-assembling door and window lock

Info

Publication number: CN217950021U
Application number: CN202221632724.4U
Authority: CN
Inventors: 曹近文
Original assignee: Foshan Hongyang Weichuang Door And Window System Co ltd
Current assignee: Foshan Hongyang Weichuang Door And Window System Co ltd
Priority date: 2022-06-28
Filing date: 2022-06-28
Publication date: 2022-12-02
Anticipated expiration: 2032-06-28

Abstract

The utility model provides a prevent fast-assembling door and window lock of weighing down belongs to door and window hardware fitting field, and it includes handle shell, transmission switch and is used for the shift fork of being connected with the locking lever transmission, and the handle shell is installed on the door and window section bar through the quick joint of the fixed buckle of one end and the elastic buckle of the other end, and the gliding setting of transmission switch and shift fork is in the handle shell, and the shift fork is provided with sliding chamber, reset spring and prevents that the fixture block from dropping, and the cooperation sets up the chamber that holds in the transmission switch can prevent that the locking lever from falling automatically, the utility model provides a door and window lock has quick assembly disassembly, prevents that the locking lever from weighing down naturally, simple structure and easy processing production's advantage.

Description

Anti-falling fast-assembling door and window lock

Technical Field

The utility model belongs to door and window hardware fitting field especially relates to a fast-assembling door and window lock of preventing weighing down.

Background

Doors and windows are commonly used as room access and ventilation openings for buildings. With the development of modern building technology and the increase of user requirements, people are continuously improving the door and window structure. A conventional hardware strip lock for sliding doors and windows generally comprises a lock box, a transmission structure and a lock rod which are arranged in the lock box, and a lock point arranged on the lock rod. During practical application, the locking rod is moved back and forth to drive the locking point to be matched with the locking seat, so that the adjacent two sliding doors and windows or the door and window leaves are locked and separated from the frame material.

The locking point in the present door and window lock generally reciprocates in order to realize with the joint of lock seat or throw off, reaches the purpose of unblanking and closing the lock, but often can lead to locking point and locking lever to lose the holding power and fall by oneself because transmission structure goes wrong or other reasons, forms the automatic bad result of unblanking etc. influence the security. In addition, most of the existing door and window strip locks are connected and installed by using screws or bolts, and the installation efficiency is relatively low.

SUMMERY OF THE UTILITY MODEL

Based on the problems in the prior art, the utility model provides an anti-falling fast-assembling door and window lock, which comprises an indoor panel, wherein the indoor panel comprises a handle shell, a transmission switch and a shifting fork in transmission connection with a lock rod, the handle shell is provided with a handle groove and is fixedly installed on a door and window profile, the transmission switch is arranged in the handle shell in a vertical sliding manner, the transmission switch is provided with a switch button at the position corresponding to the handle groove, the transmission switch is also provided with an accommodating cavity, a poking and pressing opening is arranged on the side wall of one side of the accommodating cavity, and an anti-falling bayonet is arranged at the position of the handle shell corresponding to the poking and pressing opening; the shifting fork comprises a fork part and a base part which are integrally formed, wherein a sliding cavity is arranged on one side of the base part far away from the fork part, an opening is formed in one side of the sliding cavity parallel to the sliding direction of the transmission switch, an anti-falling clamping block is arranged in the sliding cavity in a sliding manner, one end of the anti-falling clamping block is connected to the inner wall of the sliding cavity through a reset spring, and one surface of the anti-falling clamping block, which is close to the opening of the sliding cavity, is an inclined surface relative to the sliding direction of the transmission switch; the part of the base part of the shifting fork, which is provided with the sliding cavity, is inserted into the accommodating cavity, and the outermost side of the inclined surface of the anti-falling clamping block extends out of the shifting opening and is fixedly clamped to the anti-falling bayonet under the natural extension state of the reset spring; in the sliding direction of the transmission switch, a gap is arranged between the inner wall of the accommodating cavity and the base part of the shifting fork, the width of the gap is smaller than the sliding stroke of the transmission switch, and when the transmission switch slides towards the unlocking direction, pressure can be applied to the anti-falling clamping block through the pushing opening and the anti-falling clamping block is pressed into the sliding cavity; the fork part of the shifting fork extends out of the handle shell.

Wherein, the side of the sliding cavity provided with the opening is an inclined surface which is parallel to the inclined surface of the anti-falling fixture block; the accommodating cavity is internally provided with a pressing part parallel to the inclined surface of the anti-falling fixture block; and a supporting reinforcing rib is arranged on the outer side of the sliding cavity.

The anti-falling fixture block is connected with the reset spring, the end of the anti-falling fixture block connected with the reset spring is U-shaped, and the reset spring is arranged in the middle of the U-shaped anti-falling fixture block.

The handle shell comprises a shell main body, two sides of the shell main body are respectively provided with a limiting reverse side, the limiting reverse sides and the shell main body are matched to form a sliding channel, and the transmission switch and the shifting fork are slidably mounted in the sliding channel.

Wherein, one end integrated into one piece of handle shell be provided with fixed buckle, the other end is provided with elastic buckle, elastic buckle include the fixing base of fixed mounting on the handle shell, gliding the being provided with the dop in the fixing base, be provided with the buckle spring between dop and the fixing base, the one end fixed connection of buckle spring is to the dop, other end fixed connection is to the fixing base.

The fixing seat is provided with a limiting groove, a limiting bulge matched with the limiting groove is arranged on the clamping head, and the limiting bulge extends into the limiting groove and is matched with the limiting groove to limit the sliding stroke of the clamping head.

The handle shell is internally provided with a limiting column which penetrates through the sliding channel, the limiting column is positioned at one end, away from the maximum sliding stroke of the fixed seat, of the transmission switch, and the limiting column is matched with the fixed seat to limit the sliding strokes of the transmission switch and the shifting fork; the base of the shifting fork is provided with a buffer glue at one side close to the fixed seat.

The transmission switch on be provided with and keep off the position groove, keep off the position inslot and be provided with a fender position spring, the both ends in fender position groove all be provided with outside convex ball and keep off the contact of position spring, the handle shell on be provided with ball assorted fender position hole, keep off the position hole and use two to be a set of, two fender position holes in a set of are the fender position that corresponds the unblanking respectively with close the fender position of locking, every ball and a set of fender position hole cooperation.

The anti-falling fast-assembly door and window lock further comprises an outdoor panel, the outdoor panel comprises a handle shell, one end of the handle shell is integrally formed and provided with the fixing buckle, and the other end of the handle shell is provided with the elastic buckle.

The utility model discloses beneficial effect who has:

1. through optimizing and adjusting the structures of the shifting fork and the transmission switch, the locking rod can be prevented from automatically falling by utilizing the matching of the sliding cavity and the accommodating cavity to prevent the clamping block, and the problem that the locking rod automatically falls and is automatically unlocked after long-time use is avoided.

2. Through the cooperation of elasticity buckle and fixed buckle, make whole strip lock can install door and window through the mode of joint fast on, to the door and window that the theftproof nature requirement is not high promotion the installation effectiveness that can be very big, conveniently dismantle maintenance and change moreover.

3. Through the direct and shift fork connection of transmission switch, do not set up the transmission structure of rack and pinion etc. make the lock box of traditional door and window lock obtain simplifying, effectively reduce manufacturing cost and the probability of damage, prolonged life and improved production efficiency, have simple structure reasonable advantage.

Drawings

Fig. 1 is a schematic perspective view of a fall-preventing fast-assembling door and window lock (indoor panel).

Fig. 2 is a schematic sectional three-dimensional structure diagram of a falling-preventing fast-assembling door and window lock (indoor panel).

Fig. 3 is a perspective view of the fork.

Fig. 4 is a structural diagram illustrating an assembled state of the shift fork and the transmission switch.

Fig. 5 is a schematic view of another angle of the assembled state of the fork and the transmission switch.

FIG. 6 is a schematic view of the matching structure of the transmission switch and the anti-falling fixture block.

Fig. 7 is a schematic perspective view of a fall-preventing fast-assembling door and window lock (outdoor panel).

Fig. 8 is a schematic perspective view of another angle of the anti-falling fast-assembling door and window lock (outdoor panel).

FIG. 9 is a schematic view of the combination of an outdoor panel and an indoor panel of a fall arrest quick mount window and door lock.

FIG. 10 is a perspective view of the assembly of the anti-falling fast-assembling door and window lock and the door and window profile.

FIG. 11 is a top view of the assembly of the drop-resistant quick-install door and window lock and door and window profile.

Detailed Description

The present invention will be described in detail below with reference to the accompanying drawings and specific embodiments.

In the description of the present invention, the front, rear, left, right, up and down, etc. directions are based on the directions shown in fig. 1, and the front and rear are directions close to the paper surface and directions away from the paper surface, respectively.

The anti-falling fast-assembling door and window lock comprises an indoor panel 1a and an outdoor panel 1b, wherein the indoor panel 1a and the outdoor panel 1b both comprise a handle shell 2, the handle shell 2 is provided with a handle groove 21 and is fixedly installed on a door and window section bar 1c, the handle shell 2 comprises a shell main body 23, two sides of the shell main body 23 are respectively provided with a limit reverse side 24, the limit reverse sides 24 and the shell main body 23 are matched to form a sliding channel, the indoor panel 1a further comprises a transmission switch 3 and a shifting fork 4 for being in transmission connection with a lock rod, the transmission switch 3 is arranged in the sliding channel of the handle shell 2 of the indoor panel 1a in a vertically sliding manner, the transmission switch 3 is provided with a switch button 31 at a position corresponding to the handle groove 21, the switch buttons 31 are provided with two, the switch buttons 31 at the upper part and the lower part are respectively located at corresponding positions of the upper end and the lower end of the handle groove 21, the switch button 31 at the upper part is an 'off' on 'button', the switch button 31 is an 'on' button, different color plates can be arranged on the switch button 31, such as red color plates and green color plates, and the like, so as to prompt the function of the switch button 31; the upper end of the transmission switch 3 is also provided with an accommodating cavity 32, the right side wall of the accommodating cavity 32 is provided with a poking and pressing opening 33, and the right side of the handle shell 2 corresponding to the poking and pressing opening 33 is provided with an anti-falling bayonet 22; the shifting fork 4 comprises a fork part 41 and a base part 42 which are integrally formed, wherein a sliding cavity 43 is arranged on one side of the base part 42 far away from the fork part 41, an opening 44 is arranged on one side (right side) of the sliding cavity 43 parallel to the sliding direction of the transmission switch 3, an anti-falling fixture block 45 is arranged in the sliding cavity 43 in a sliding mode, one end of the anti-falling fixture block 45 is connected to the inner wall of the sliding cavity 43 through a return spring 46, one end of the anti-falling fixture block 45 connected with the return spring 46 is U-shaped, the return spring 46 is arranged in the middle of the U-shaped anti-falling fixture block 45, one surface, close to the opening 44 of the sliding cavity 43, of the anti-falling fixture block 45 is an inclined surface relative to the sliding direction of the transmission switch 3, namely the lower part of the inclined surface inclines towards the right side, one surface, provided with the opening 44, of the sliding cavity 43 is an inclined surface parallel to the inclined surface of the anti-falling fixture block 45, and a support reinforcing rib 47 is arranged on the outer side of the sliding cavity 43; the accommodating cavity 32 is internally provided with a pressing part 34 which is parallel to the inclined surface of the anti-falling fixture block 45; the part of the base part 42 of the shifting fork 4, which is provided with the sliding cavity 43, is inserted into the accommodating cavity 32, and the outermost side of the inclined surface of the anti-falling clamping block 45 extends out of the shifting and pressing opening 33 and is fixedly clamped to the anti-falling clamping opening 22 under the natural extension state of the return spring 46; in the sliding direction of the transmission switch 3, a gap is arranged between the inner wall of the accommodating cavity 32 and the base part 42 of the shifting fork 4, the width of the gap is smaller than the sliding stroke of the transmission switch 3, and when the transmission switch 3 slides towards the unlocking direction (downwards), pressure can be applied to the anti-falling clamping block 45 through the shifting opening 33, and the anti-falling clamping block 45 is pressed into the sliding cavity 43; the fork part 41 of the shifting fork 4 extends out of the handle shell 2.

In this embodiment, the downward direction is the opening direction, the inclined surface of the anti-falling fixture block 45 is an inclined surface formed by one side of the anti-falling fixture block towards the opening direction being more convex relative to the other side, and the transmission switch 3 is provided with the pressing part 34; when the door and window lock needs to be opened, the lower switch button 31 is pressed downwards to enable the transmission switch 3 to slide downwards, the transmission switch 3 moves downwards by a distance, the pressing part 34 applies pressure to the anti-falling clamping block 45 and forces the anti-falling clamping block 45 to slide towards the sliding cavity 43, so that the anti-falling clamping block 45 slides out of the anti-falling clamping opening 22, then the transmission switch 3 drives the shifting fork 4 to slide downwards, and the purpose of unlocking is achieved. When the lock is closed, the transmission switch 3 slides upwards by pressing the switch button 31 upwards, the shifting fork 4 slides upwards along with the upward sliding and drives the lock rod to move upwards so as to recover the locking state, and meanwhile, under the action of the return spring 46, the anti-falling clamping block 45 slides out again and is inserted into the anti-falling bayonet 22, so that the lock rod is prevented from falling naturally and being unlocked automatically.

As a preferred embodiment, one end of the handle housing 2 is integrally formed with a fixed buckle 25, the fixed buckle 25 is triangular, a bayonet is formed between one side edge of the triangle and the panel, the other end of the triangle is provided with an elastic buckle 5, the elastic buckle 5 comprises a fixed seat 51 fixedly mounted on the handle housing 2, a chuck 52 is slidably arranged in the fixed seat 51, a buckle spring 53 is arranged between the chuck 52 and the fixed seat 51, one end of the buckle spring 53 is fixedly connected to the chuck 52, and the other end of the buckle spring 53 is fixedly connected to the fixed seat 51; the fixing seat 51 is provided with a limiting groove 54, the clamping head 52 is provided with a limiting bulge 55 matched with the limiting groove 54, and the limiting bulge 55 extends into the limiting groove 54 and is matched with the limiting groove 54 to limit the sliding stroke of the clamping head 52. When the installation, set up suitable strip hole in advance on door and window section bar 1c, then with 5 joints of the elastic buckle of indoor panel 1a or outdoor panel 1b to door and window section bar 1c, oppress elastic buckle 5 afterwards again with fixed buckle 25 joint to another then accomplish the installation in strip hole promptly, the installation is swift and simple.

As a preferred embodiment, a limiting column 26 penetrating through a sliding channel is arranged in the handle housing 2, the limiting column 26 is located at one end of the transmission switch 3 away from the maximum sliding stroke of the fixing seat 51, and the matching of the limiting column 26 and the fixing seat 51 limits the sliding stroke of the transmission switch 3 and the shifting fork 4; the basal portion 42 of shift fork 4 be provided with cushion gum 48 in the one side that is close to fixing base 51, avoid fixing base 51 and shift fork 4 direct impact, spacing post 26 carries out down spacingly to transmission switch 3 promptly, fixing base 51 carries out last spacingly to transmission switch 3.

As a preferred embodiment, the transmission switch 3 is provided with a gear groove 35, the gear groove 35 is provided with a gear spring 36, two ends of the gear groove 35 are both provided with an outwardly protruding ball 37, the ball 37 is in contact with the gear spring 36, the handle housing 2 is provided with a gear hole 27 matched with the ball 37, the two gear holes 27 on the same side form a group, the two gear holes 27 in the group are respectively a gear (a gear hole 27 below) for unlocking and a gear (a gear hole 27 above) for locking, and each ball 37 is matched with one group of gear holes 27.

The above-mentioned embodiments only represent one embodiment of the present invention, and the description thereof is specific and detailed, but not construed as limiting the scope of the invention. It should be noted that, for those skilled in the art, without departing from the spirit of the present invention, several variations and modifications can be made, which are within the scope of the present invention. Therefore, the protection scope of the present invention should be subject to the appended claims.

Claims

1. The anti-falling fast-assembly door and window lock comprises an indoor panel (1 a) and is characterized in that the indoor panel (1 a) comprises a handle shell (2), a transmission switch (3) and a shifting fork (4) which is used for being in transmission connection with a lock rod, a handle groove (21) is formed in the handle shell (2) and is fixedly installed on a door and window profile (1 c), the transmission switch (3) is arranged in the handle shell (2) in a vertical sliding mode, a switch button (31) is arranged at the position, corresponding to the handle groove (21), of the transmission switch (3), an accommodating cavity (32) is further formed in the transmission switch (3), a poking and pressing opening (33) is formed in the side wall of one side of the accommodating cavity (32), and an anti-falling bayonet (22) is arranged at the position, corresponding to the poking and pressing opening (33), of the handle shell (2); the shifting fork (4) comprises a fork part (41) and a base part (42) which are integrally formed, wherein a sliding cavity (43) is formed in one side, away from the fork part (41), of the base part (42), an opening (44) is formed in one side, parallel to the sliding direction of the transmission switch (3), of the sliding cavity (43), an anti-falling fixture block (45) is arranged in the sliding cavity (43) in a sliding mode, one end of the anti-falling fixture block (45) is connected to the inner wall of the sliding cavity (43) through a return spring (46), and one surface, close to the opening (44) of the sliding cavity (43), of the anti-falling fixture block (45) is an inclined surface relative to the sliding direction of the transmission switch (3); the part of the base part (42) of the shifting fork (4) provided with the sliding cavity (43) is inserted into the accommodating cavity (32), and the outermost side of the inclined surface of the anti-falling clamping block (45) extends out of the shifting opening (33) and is fixedly clamped to the anti-falling clamping opening (22) in a natural extension state of the return spring (46); in the sliding direction of the transmission switch (3), a gap is arranged between the inner wall of the accommodating cavity (32) and the base (42) of the shifting fork (4), the width of the gap is smaller than the sliding stroke of the transmission switch (3), and when the transmission switch (3) slides in the unlocking direction, pressure can be applied to the anti-falling fixture block (45) through the pushing opening (33) and the anti-falling fixture block (45) is pressed into the sliding cavity (43); the fork part (41) of the shifting fork (4) extends out of the handle shell (2).

2. The anti-falling fast-assembling door and window lock as claimed in claim 1, characterized in that the side of the sliding cavity (43) provided with the opening (44) is an inclined plane parallel to the inclined plane of the anti-falling fixture block (45); a pressing part (34) which is parallel to the inclined surface of the anti-falling fixture block (45) is arranged in the accommodating cavity (32); and a supporting reinforcing rib (47) is arranged on the outer side of the sliding cavity (43).

3. The anti-falling fast-assembling door and window lock as claimed in claim 2, characterized in that one end of the anti-falling fixture block (45) connected with the return spring (46) is U-shaped, and the return spring (46) is arranged in the middle of the U-shape of the anti-falling fixture block (45).

4. The anti-falling fast-assembling door and window lock as claimed in claim 3, characterized in that the handle housing (2) comprises a housing body (23), two sides of the housing body (23) are respectively provided with a limit reverse edge (24), the limit reverse edges (24) and the housing body (23) are matched to form a sliding channel, and the transmission switch (3) and the shifting fork (4) are slidably installed in the sliding channel.

5. The anti-falling fast-assembling door and window lock as claimed in claim 4, characterized in that one end of the handle housing (2) is integrally provided with a fixing buckle (25), the other end is provided with an elastic buckle (5), the elastic buckle (5) comprises a fixing seat (51) fixedly mounted on the handle housing (2), a clamping head (52) is slidably arranged in the fixing seat (51), a clamping spring (53) is arranged between the clamping head (52) and the fixing seat (51), one end of the clamping spring (53) is fixedly connected to the clamping head (52), and the other end is fixedly connected to the fixing seat (51).

6. The anti-falling fast-assembling door and window lock as claimed in claim 5, wherein the fixing seat (51) is provided with a limiting groove (54), the clamping head (52) is provided with a limiting protrusion (55) matched with the limiting groove (54), and the limiting protrusion (55) extends into the limiting groove (54) and is matched with the limiting groove (54) to limit the sliding stroke of the clamping head (52).

7. The anti-falling fast-assembling door and window lock as claimed in claim 6, characterized in that a limiting column (26) passing through a sliding channel is arranged in the handle housing (2), the limiting column (26) is positioned at one end of the transmission switch (3) far away from the maximum sliding stroke of the fixed seat (51), and the matching of the limiting column (26) and the fixed seat (51) limits the sliding stroke of the transmission switch (3) and the shifting fork (4); and a buffer rubber (48) is arranged on one side, close to the fixed seat (51), of the base (42) of the shifting fork (4).

8. The anti-falling fast-assembling door and window lock as claimed in claim 7, characterized in that the transmission switch (3) is provided with a gear groove (35), the gear groove (35) is provided with a gear spring (36), both ends of the gear groove (35) are provided with balls (37) protruding outwards and the balls (37) contact with the gear spring (36), the handle housing (2) is provided with gear holes (27) matched with the balls (37), the gear holes (27) are grouped into two, the two gear holes (27) in a group are respectively corresponding to the unlocked gear and the locked gear, and each ball (37) is matched with a group of gear holes (27).

9. The anti-falling fast-assembling door and window lock as claimed in claim 8, further comprising an outdoor panel (1 b), wherein the outdoor panel (1 b) comprises a handle housing (2), one end of the handle housing (2) is integrally provided with the fixing buckle (25), and the other end is provided with the elastic buckle (5).