CN219412227U - Coded lock for casement window - Google Patents

Abstract

The utility model relates to the technical field of casement window locks, in particular to a casement window coded lock which comprises a base, a toggle piece connected to the base in a sliding manner and a lock tongue fixedly connected to the toggle piece, wherein the base is rotationally connected with a coded wheel, the coded wheel is provided with a through hole, an opening is arranged on the outer side of the through hole, the lock tongue is fixedly connected with a rotating shaft, one end of the rotating shaft, which is far away from the lock tongue, is arranged in the through hole in a penetrating manner, a lug corresponding to the opening is arranged in the middle of the outer side of the rotating shaft, and the coded wheel is matched with the rotating shaft to prop against the lock tongue through the coded wheel arranged in the base, so that the lock tongue cannot slide and retract, the effect of back locking is achieved, the arrangement of the coded wheel replaces the previous back locking piece, unlocking difficulty after back locking is increased, and the window sash opening caused by false contact of children is prevented, and thus potential safety hazards of falling from the window are reduced.

Description

Coded lock for casement window

Technical Field

The utility model relates to the technical field of casement window locks, in particular to a casement window coded lock.

Background

The flat-open window is used as one of the windows, the opening area is large, ventilation is good, sealing performance is good, the lock body is an important component part of the flat-open window and is used for protecting the window body, guaranteeing safety of people and the like, but the existing flat-open window lock body is simple in structure and can only lock the window sashes, even if a back locking function is provided, the back locking pieces can be installed on the surfaces of the lock bodies, children can easily touch the back locking pieces by mistake, the window sashes can be opened by mistake, the children can fall from the window, and potential safety hazards exist.

Disclosure of Invention

The utility model provides a coded lock for a casement window, which aims to provide a coded wheel back-locking structure and prevent a window sash from being opened by mistake due to false touch by children.

In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides a flat-open window trick lock, includes base, sliding connection in the toggle piece of base and fixed connection in the spring bolt of toggle piece, the base internal rotation is connected with the cipher wheel, the cipher wheel is equipped with the through-hole and connects in the opening of through-hole, spring bolt fixedly connected with pivot, the one end that the spring bolt was kept away from to the pivot is worn to locate in the through-hole, the middle part in the pivot outside is provided with the lug that corresponds to the open-ended.

Further, the lock tongue is provided with a connecting plate and is respectively and fixedly connected with the rotating shaft and the poking piece through the connecting plate.

Further, the password wheel is detachably connected with a wheel pipe, the through holes and the openings are formed in the wheel pipe, and one end of the rotating shaft penetrates through the wheel pipe.

Further, a first toothed plate is arranged on one side of the password wheel, a second toothed plate is arranged on the wheel tube, and the second toothed plate is connected to the first toothed plate in a matched mode.

Further, the base is including the mounting bracket, be provided with the bottom plate under the mounting bracket, the bottom plate is equipped with first fluting, be provided with the baffle corresponding to first fluting both sides on the mounting bracket, first fluting one side extends has the arc, the cipher wheel sets up on the arc, and is located between two baffles, the mounting bracket top is provided with the panel, the panel is equipped with the second fluting that corresponds first fluting, the cipher wheel passes through the second fluting protrusion in the panel.

Further, a plurality of sections are annularly arranged on the outer side of the password wheel.

Compared with the prior art, the utility model has the beneficial effects that: through the cipher wheel that sets up in the base, utilize cipher wheel and pivot cooperation to support the spring bolt, make the unable slip withdrawal of spring bolt to reach the effect of back lock, the setting of cipher wheel replaces the back locking piece in the past moreover, increases the degree of difficulty of unblanking after the back lock, can prevent that children from touching by mistake and leading to the casement to open, thereby reduce the potential safety hazard that children fall from the window.

Drawings

Fig. 1 is an exploded view of the present utility model.

Fig. 2 is a perspective view of the present utility model.

FIG. 3 is a schematic diagram of the connection of the wheel tube, the code wheel and the rotating shaft in the present utility model.

Fig. 4 is a schematic structural view of a base in the present utility model.

In the figure: base 1, stir piece 2, spring bolt 3, cipher wheel 4, pivot 5, wheel pipe 6, mounting bracket 11, bottom plate 12, panel 13, connecting plate 35, first pinion rack 41, interval 44, lug 51, through-hole 60, second pinion rack 61, opening 66, baffle 111, first fluting 120, arc 121, second fluting 130.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

As shown in the drawings, the coded lock for the casement window comprises a base 1, a toggle part 2 which is connected to the base 1 in a left-right sliding manner, and a lock tongue 3 which is fixedly connected to the toggle part 2, wherein the lock tongue 3 also slides to the left and right in the base 1, one side of the base 1 is provided with a channel for the lock tongue 3 to extend out of or retract into the base 1, the extended lock tongue 3 is inserted into an opening of a window frame, so as to realize locking, the coded wheel 4 is rotationally connected to the base 1, the coded wheel 4 is arranged in the base 1 and protrudes out of the base 1, the coded wheel 4 is provided with a through hole 60 and an opening connected to the through hole, the opening 66 can be square, the lock tongue 3 is fixedly connected with a rotating shaft 5, one end of the rotating shaft 5 far from the lock tongue 3 is penetrated into the through hole 60, the middle part of the outer side of the rotating shaft 5 is provided with a bump 51 corresponding to the opening 66, the bump 51 is also square, the bump 51 can be better penetrated into the opening 66 as shown in fig. 3, the bump 51 is arranged at the rear side of the rotating shaft 5, the opening 66 is correspondingly arranged, and the opening 66 is correspondingly provided at the position corresponding to the bump 51 when the opening 66 is positioned at the corresponding position of the corresponding bump 51, and can slide to the left and right of the coded wheel 4.

According to the principle and effect of the flat-open window coded lock, through the coded wheel 4 arranged in the base 1, the coded wheel 4 is matched with the rotating shaft 5 to prop against the lock tongue 3, so that the lock tongue 3 cannot slide and retract, the effect of back locking is achieved, unlocking difficulty after back locking is increased, a user needs to rotate the coded wheel 4 to enable an opening 66 in the coded wheel 4 to be positioned at a position corresponding to the protruding block 51, then the toggle piece 2 is pushed to enable the rotating shaft 5 to slide on the coded wheel 4, and the traditional back locking piece is replaced by the arrangement of the coded wheel 4, so that the window sash can be prevented from being opened due to false touch of a child, and the potential safety hazard that the child falls from the window is reduced.

In this embodiment, the lock tongue 3 is provided with a connecting plate 35, and is fixedly connected to the rotating shaft 5 and the stirring member 2 through the connecting plate 35, the connecting plate 35 is fixedly connected to one end of the rotating shaft 5 through screws, and the stirring member 2 is fixedly connected to the connecting plate 35.

In this embodiment, the inside of the code wheel 4 is detachably connected with the wheel tube 6, the through hole 60 and the opening 66 are all disposed on the wheel tube 6, one end of the rotating shaft 5 is disposed in the wheel tube 6 in a penetrating manner, as shown in fig. 3, an opening is disposed in the code wheel 4, a ring is disposed in the opening, the code wheel 4 is provided with the first toothed plate 41, the first toothed plate 41 is disposed on one side of the ring, the wheel tube 6 is provided with the second toothed plate 61, the second toothed plate 61 is cooperatively connected with the first toothed plate 41, another ring is disposed on the outside of the wheel tube 6, the second toothed plate 61 is disposed on one side of the ring close to the first toothed plate 41, the through hole 60 is disposed in the wheel tube 6, a stop bar is annularly fixed on the inner side of the through hole 60, and two ends of the stop bar are not connected with each other, thereby forming the opening 66 corresponding to the bump 51.

In this embodiment, the base 1 is including mounting bracket 11, be provided with bottom plate 12 under the mounting bracket 11, bottom plate 12 is equipped with first fluting 120, be provided with baffle 111 corresponding to first fluting 120 both sides on the mounting bracket 11, first fluting 120 one side extends has arc 121, password wheel 4 sets up on arc 121, and is located between two baffles 111, the mounting bracket 11 top is provided with panel 13, panel 13 is equipped with the second fluting 130 corresponding to first fluting 120, password wheel 4 is through the protrusion of second fluting 130 in panel 13, can dismantle between mounting bracket 11 and panel 13, the bottom plate 12 and be connected, accessible screw scheduling connected mode.

In this embodiment, a plurality of sections 44 are annularly arranged on the outer side of the code wheel 4, different marks such as numerals, letters and the like are arranged on the sections 44, the code wheel 4 and the wheel tube 6 are detachable, the code wheel 4 and the wheel tube 6 can be separated, the wheel tube 6 is rotated to enable the opening 66 to correspond to any section 44 on the code wheel 4, and then the wheel tube 6 and the code wheel 4 are combined from new, so that the code can be changed.

The above embodiments are preferred embodiments of the present utility model, and all similar structures and equivalent modifications are intended to fall within the scope of the present utility model.

Claims (6)

1. The utility model provides a flat-open window trick lock, includes base (1), sliding connection stir piece (2) in base (1) to and fixed connection stir spring bolt (3) of piece (2), its characterized in that: the utility model discloses a password wheel, including base (1), password wheel (4), spring bolt (3), pivot (5), in base (1) rotation is connected with password wheel (4), password wheel (4) are equipped with through-hole (60) and communicate in opening (66) of through-hole, in one end that spring bolt (3) were kept away from to pivot (5) was worn to locate through-hole (60), the middle part in pivot (5) outside is provided with lug (51) corresponding to opening (66).

2. A combination lock for a casement window according to claim 1, wherein: the lock tongue (3) is provided with a connecting plate (35) and is respectively and fixedly connected with the rotating shaft (5) and the poking piece (2) through the connecting plate (35).

3. A combination lock for a casement window according to claim 1, wherein: the password wheel (4) is internally detachably connected with a wheel tube (6), the through hole (60) and the opening (66) are arranged on the wheel tube (6), and one end of the rotating shaft (5) is arranged in the wheel tube (6) in a penetrating mode.

4. A combination lock for a casement window according to claim 3, wherein: the password wheel (4) one side is provided with first pinion (41), wheel pipe (6) are provided with second pinion (61), second pinion (61) cooperation is connected in first pinion (41).

5. A combination lock for a casement window according to claim 1, wherein: the base (1) is including mounting bracket (11), be provided with bottom plate (12) under mounting bracket (11), bottom plate (12) are equipped with first fluting (120), be provided with baffle (111) corresponding to first fluting (120) both sides on mounting bracket (11), first fluting (120) one side is extended has arc (121), password wheel (4) set up on arc (121), and are located between two baffles (111), mounting bracket (11) top is provided with panel (13), panel (13) are equipped with second fluting (130) corresponding to first fluting (120), password wheel (4) are through second fluting (130) protrusion in panel (13).

6. A combination lock for a casement window according to claim 1, wherein: a plurality of sections (44) are annularly arranged on the outer side of the coded wheel (4).