CN203487913U - Locking device of casement window - Google Patents

Abstract

The utility model provides a locking device of a casement window, belonging to the field of anti-theft devices of rooms. The locking device comprises a lock catch box structure, a contraction band and a contraction band fixing structure, wherein the lock catch box structure is connected with the contraction band, the using length of the contraction band is changed by adjusting the connecting position, and the contraction band fixing structure is connected with the contraction band so as to assist connection of the contraction band and the casement window. According to the locking device provided by the utility model, the situation that existing casement window is just fully opened or fully closed is overcome, so that the user can randomly adjust and lock the opening position according to the demand, thereby not only preventing infants drilling into windows from falling from high altitude, but also properly opening the window. Thus, lawless persons have no chance, so that the anti-theft function is realized. Meanwhile, the window is properly opened, so that physical and psychological health is facilitated. In addition, the device further has the advantages of smaller size, attractive appearance, convenience in installation and the like.

Description

A kind of locked instrument of casement window

Technical field

The utility model belongs to house theft prevention device field, relates to a kind of locked instrument, relates in particular to a kind of locked instrument that can regulate casement window opening degree.

Background technology

At present, because the open area of casement window is large, ventilate, sealing is strong, the features such as sound insulation, insulation, anti-permeability performance are good, many rooms all adopt this type of window, but this type of window of great majority is after installing, owing to cannot adjusting arbitrarily the position of sash, it can only be in opening or totally enclosed state entirely.Under full open mode: the first, when climbing window, infant very easily causes high-altitude building falling accident, and consequence is hardly imaginable; The second, easily allow lawless person have opportunity, there is very big potential safety hazard.Under full closeding state, room air can not circulate naturally with outdoor, is prone to anoxia phenomenon, has influence on the physical and mental health of indoor occupant.

Utility model content

The purpose of this utility model is to provide on a kind of casement window that has fixed frame for centre can assist it to regulate arbitrarily the locked instrument of enable possition size.

In order to achieve the above object, solution of the present utility model is:

A locked instrument for casement window, comprises keeper structure, telescopic band and telescopic band fixed structure; Described keeper structure is connected with described telescopic band and by adjusting link position, changes the use length of described telescopic band; Described telescopic band fixed structure is connected with described telescopic band, to assist being connected of described telescopic band and casement window.

Described keeper structure comprises keeper panel, the sidewall perpendicular to described keeper panel, the second base plate, and described keeper panel and described sidewall cover on described the second base plate and form box like structure; Described the second base plate is provided with erection column, and described keeper panel is provided with the first installing hole coordinating with described erection column; On described telescopic band, be arranged in order the adjustment hole that profile all coordinates with described erection column, and coordinating in described box like structure by described adjustment hole and described erection column; The cross sectional shape of described erection column is identical with the profile of described the first installing hole and described adjustment hole; Preferably, described erection column is cylindrical, and described the first installing hole and described adjustment hole are circular hole; Preferably, described telescopic band is Nylon Bag.

One end of described telescopic band is provided with circular fixing hole; Described telescopic band fixed structure comprises fixed panel, fixed base plate and bolt, has a circular counter bore in described fixed panel, has one and be with female round boss in described fixed base plate; Described round boss and described adjustment hole are connected; Described bolt is respectively by being connected with the internal thread in described round boss after described circular counter bore, described circular fixing hole; In described fixed base plate, also comprise four fixing holes, to connect casement window.

On described sidewall, there is an inclined tongue hole; Described keeper structure also comprise base plate extension the first base plate, be positioned at cylinder fixed axis, lock tongue linking mechanism, stage clip and key on described the first base plate; The edge projection of described the first base plate has tongue linked operation groove on the lug that is positioned at inner side, on the lug outside being positioned at, has sidewall of the bottom plate groove; Described lock tongue linking mechanism comprises connecting rod and latch bolt contiguous block, and there is a hexagonal boss one end of described connecting rod, and the other end contains connecting hole; Described latch bolt contiguous block is a block structure that comprises latch bolt, and described block structure upper surface is provided with set bar, and a side end face is provided with stage clip alignment pin; Described latch bolt contiguous block is arranged in described tongue linked operation groove, and described connecting hole is connected with described set bar; The bottom of described hexagonal boss has the groove being connected with described cylinder fixed axis; One end of described stage clip is arranged in described sidewall of the bottom plate groove, and the other end is connected on described stage clip alignment pin; The bottom of described key is the cylinder with the groove coordinating with described hexagonal boss; Preferably, described connecting hole is waist-shaped hole.

Described keeper structure also comprises the cover plate being covered on the first base plate; In described cover plate, comprise a circular shrinkage hole coordinating with the lower end of described key, surrounding comprises four screwed holes, by four screws, is connected with described the first base plate; Described key is connected with described hexagonal boss after by described circular shrinkage hole.

Described keeper structure also comprises torsion spring, keeper pin, be positioned at the first axis hole and second axis hole at the inside bottom two ends of keeper panel, be positioned at described the second plate outer side edge axis hole, lay respectively at the first torsion spring holddown groove and the second torsion spring holddown groove on described keeper panel and described the second base plate; Described keeper pin is successively through described the first axis hole, described torsion spring, described axis hole and described the second axis hole rivet clasp; Described torsion spring is stuck in described the first torsion spring holddown groove and the second torsion spring holddown groove.

Described device also comprises dividing plate, has second installing hole coordinating with described erection column in described dividing plate, and a side end face is provided with Triaxial hole, and described Triaxial hole is inserted on described keeper pin.

Described device also comprises second telescopic band identical with described telescopic band and the second telescopic band fixed structure identical with described telescopic band fixed structure, described the second telescopic band is connected with described keeper structure in the mode identical with described telescopic band fastening devices with described telescopic band with described the second telescopic band fastening devices, to control two fan casement windows simultaneously.

On described base plate, comprise two counterbore is installed, to realize the installation of described keeper structure and casement window window frame.

On described the first base plate, also comprise the spacer pin perpendicular to described the first base plate, the distance between described spacer pin and described cylinder fixed axis is less than the length of described connecting rod, and the height of described spacer pin is greater than or equal to the height of described connecting rod.

Owing to adopting such scheme, the beneficial effects of the utility model are: the utility model locked instrument has changed that existing casement window can only be opened entirely or the present situation of totally-enclosed two kinds of patterns, allow the user can be according to self needing to regulate arbitrarily size and the locking that casement window can enable possition, not only can prevent that infant from boring drop in the high-altitude generation of accident of window, and because appropriateness is windowed, lawless person does not have opportunity, thereby has realized anti-theft feature.Meanwhile, the appropriateness useful physical and mental health of ventilating of windowing.In addition, this device also have that body is less, good looking appearance and be convenient to the advantages such as installation.

Accompanying drawing explanation

Fig. 1 is the decomposing schematic representation of casement window locked instrument in the utility model embodiment;

Fig. 2 is the structural representation of casement window locked instrument in the utility model embodiment;

Fig. 3 a is the keeper of casement window locked instrument in the utility model embodiment schematic diagram under opening;

Fig. 3 b is the keeper of casement window locked instrument in the utility model embodiment schematic diagram under closed condition;

Fig. 4 a is the keeper of casement window locked instrument in the utility model embodiment one of mobile diagrammatic series of views on nylon tape;

Fig. 4 b be the keeper of casement window locked instrument in the utility model embodiment on nylon tape mobile diagrammatic series of views two;

Fig. 5 is the schematic diagram in unused state that in the utility model embodiment, casement window locked instrument is partly used state;

Fig. 6 is the schematic diagram in use state that in the utility model embodiment, casement window locked instrument is partly used state;

Fig. 7 a is the schematic diagram of casement window locked instrument when monolateral use state in the utility model embodiment;

Fig. 7 b is the schematic diagram of casement window locked instrument when bilateral use state in the utility model embodiment.

In accompanying drawing: 1, cover plate; 101, circular shrinkage hole; 12, countersunk head screw; 21, keeper panel; 22, sidewall; 23, inclined tongue hole; 24, the first circular mounting hole; 2501, the first torsion spring holddown groove; 2502, the second torsion spring holddown groove; 7101, the first axis hole; 7102, the second axis hole; 30, cylinder fixed axis; 31, the first base plate; 32, the second base plate; 33, tongue linked operation groove; 34, spacer pin; 35, circular mounting post; 36, counterbore is installed; 72, axis hole; 41, connecting rod; 4101, hexagonal boss; 4102, waist-shaped hole; 42, latch bolt contiguous block; 4201, latch bolt; 4202, set bar; 4203, stage clip alignment pin; 5, stage clip; 51, sidewall of the bottom plate groove; 6, torsion spring; 7, keeper pin; 81, fixed panel; 82, fixed base plate; 83, circular counter bore; 84, round boss; 85, bolt; 86, fixing hole; 9, nylon tape; 91, adjustment hole; 92, circular fixing hole; 10, key; 11, dividing plate; 1101, the second circular mounting hole; 73, Triaxial hole.

The specific embodiment

Below in conjunction with accompanying drawing illustrated embodiment, the utility model is further described.

The utility model discloses a kind of locked instrument of casement window, comprise keeper structure, telescopic band and telescopic band fixed structure; Wherein, keeper structure is connected with telescopic band, and operator can adjust by the link position of adjusting both length of tightening of telescopic band, so adjust casement window can opening degree; Telescopic band fixed structure is connected with telescopic band, and auxiliary telescopic band is connected with casement window.Be illustrated in figure 1 the decomposing schematic representation of this device, Fig. 2 installs the structural representation after assembling for this.

Keeper structure comprises cover plate 1, keeper, base, lock tongue linking mechanism, stage clip 5, torsion spring 6, keeper pin 7, key 10 and dividing plate 11.

Cover plate 1 is cuboid plate, on its four angles, by four countersunk head screws 12, is connected with base.On cover plate 1, with circular shrinkage hole 101, the bottom of key 10 is the cylinder with hex-shaped recess, and circular shrinkage hole 101 coordinates with the bottom cylinder outer ledge of key 10.

Keeper comprises panel 21 and the sidewall 22 perpendicular to panel 21 at one lateral edges; The inner side of panel 21 also has the first circular mounting hole 24 and the first torsion spring holddown groove 2501, and in sidewall head 22, also has inclined tongue hole 23.Two axis holes are contained at the inside bottom two ends of panel 21, are respectively the first axis hole 7101 and the second axis hole 7102.

Cover plate 1 and keeper cover and are installed on base, so base comprises two parts, are respectively base plate first base plate 31 of cover plate 1 and base plate second base plate 32 of keeper 2.The upper surface of the first base plate 31 is a rectangle identical shaped with the bottom surface rectangle of cover plate 1, the edge protuberance of its surrounding, the therefore middle space that forms a cuboid.In above-mentioned projection, have four bolts hole, cover plate 1 is installed in these four bolts hole by four dormant bolts 12, thereby cover plate 1 is connected with the first base plate 31.In projection, near on the medial segment of the second base plate 32, there is a groove, i.e. tongue linked operation groove 33; In projection, on the segmentum laterale relative with tongue linked operation groove 33, have a less groove, sidewall of the bottom plate groove 51.On the first base plate 31 by the cylinder fixed axis 30 vertical with its surface on end in the region that surrounds of projection.Above-mentioned cover plate 1 covers and on the first base plate 31, forms a box like structure, and panel 21 and sidewall 22 cover and on the second base plate 32, also form a box like structure.

The second base plate 32 is provided with circular mounting post 35 and two installation counterbores 36 about circular mounting post 35 symmetries vertical with its surface, these two counterbore 36 installation on casement window window frame for auxiliary lock button box structure is installed.Meanwhile, near circular mounting post 35, be provided with a second torsion spring holddown groove 2502, at the outer ledge of the second base plate 32, have an axis hole 72.

Lock tongue linking mechanism comprises a connecting rod 41 and a latch bolt contiguous block 42.One end of connecting rod 41 is provided with the hexagonal boss 4101 being meshed with the hex-shaped recess of key 10, and the other end is provided with a waist-shaped hole 4102; In the bottom of hexagonal boss 4101, there is the groove coordinating with cylinder fixed axis 30, by this groove and coordinating of cylinder fixed axis 30 connecting rod 41 being installed on cylinder fixed axis 30.

Latch bolt contiguous block 42 is a block structure that includes latch bolt 4201, and latch bolt 4201 is positioned at one end end face of this block structure, includes a stage clip alignment pin 4203 vertical with end face on the other end relative with this end face; This block structure also comprises the set bar vertical with its upper surface 4202.Waist-shaped hole 4102 on connecting rod 41 coordinates with set bar 4202, thereby connecting rod 41 and latch bolt contiguous block 42 are linked together.The latch bolt side of latch bolt contiguous block 42 is arranged in tongue linked operation groove 33.

In addition, on the first base plate 31, also comprise the spacer pin 34 perpendicular to the first base plate 31, distance between this spacer pin 34 and cylinder fixed axis 30 is less than the length of connecting rod 41, it is highly greater than or equal to the height of connecting rod 41, to connecting rod 41, the amplitude rotatablely moving around cylinder fixed axis 30 limits.

One end of stage clip 5 is arranged in sidewall of the bottom plate groove 51, and the other end is connected with the stage clip alignment pin 4203 on latch bolt contiguous block 42.

One end of torsion spring 6 is stuck in the first torsion spring holddown groove 2501 of keeper panel 21, and the other end is stuck in the second torsion spring holddown groove 2502 of the second base plate 32.

After the circular shrinkage hole 101 that key 10 passes on cover plate 1, coordinate with the hexagonal boss 4101 on connecting rod 41, by rotating key 10, can drive lock tongue linking mechanism, thereby can control the inclined tongue hole 23 on latch bolt 4201 turnover keeper panels 21.

Dividing plate 11 is the plate with the second circular mounting hole 1101, and the second circular mounting hole 1101 coordinates with circular mounting post 35; One lateral edges of dividing plate 11 contains Triaxial hole 73.Dividing plate 11 is connected in keeper for the fixing position of telescopic band, prevents from causing when single telescopic band fixedly loosening.

Keeper pin 7 is for connecting keeper and base, successively through the second axis hole 7102 rivet clasp on axis hole 72, the Triaxial hole 73 on dividing plate 11 and keeper panel 21 on the first axis hole 7101 on keeper panel 21, torsion spring 6, the second base plate 32.

Telescopic band is nylon tape 9, has several equidistant adjustment holes 91 on it, and adjustment hole 91 coordinates with circular mounting post 35, thereby Nylon Bag 9 is installed in keeper.One end of Nylon Bag 9 has a circular fixing hole 92, in order to the connection between auxiliary nylon tape 9 and telescopic band fixed structure.

Telescopic band fixed structure is fixed plate structure, and fixed plate structure comprises fixed panel 81, fixed base plate 82 and bolt 85; In fixed panel 81, there is a circular counter bore 83, in fixed base plate 82, be provided with one with the round boss of internal thread hole.Bolt 85 stretches in the internal thread hole of round boss 84 by circular counter bore 83, is connected and fixed panel 81 and fixed base plate 82.The circular fixing hole 92 of Nylon Bag 9 coordinates with the round boss of fixed base plate 82, thereby has realized the connection of nylon tape 9 and fixed plate structure 8.In addition, in fixed base plate 82, there are four fixing holes 86, for the location of fixed plate structure and window frame.

In use, user can be according to self keeper structure being fixed on the desired location of fixed frame in the middle of casement window for this device, fixed head is fixed on the position of window frame inner side of casement window left and right sash; One end of nylon tape is fastened on fixed head, the other end is connected in keeper structure by adjustment hole, thereby connect the keeper structure being positioned on window frame and be positioned at the fixed plate structure on sash by nylon tape, connect window frame and sash, made the opening degree of casement window the maximum rating of unlatching to be set over it.In the time need to regulating the opening degree of casement window, only need to change the adjustment hole of the Nylon Bag being connected with keeper structure.

Fig. 3 a and Fig. 3 b have shown that respectively in above-described embodiment, lock tongue linking mechanism and the mutual motion between key 10 of casement window locked instrument makes the schematic diagram of keeper 2 in opening and closing state.By the key 10 of turning clockwise, drive lock tongue linking mechanisms extruding stage clips 5, make stage clip 5 in contraction state, to such an extent as to latch bolt 4201 on lock tongue linking mechanism exits the inclined tongue hole 23 on keeper completely, makes keeper in opening, as shown in Figure 3 a.As long as be rotated counterclockwise on the contrary or hand loosens key 10, stage clip 5, with regard to automatic rebounding, promotes lock tongue linking mechanism latch bolt 4201 is entered in the inclined tongue hole 23 on keeper, finally makes keeper in closed condition, as shown in Figure 3 b.

The motion track diagrammatic series of views of the keeper structure that Fig. 4 a and Fig. 4 b are casement window locked instrument in the present embodiment on nylon tape 9.The keeper structure of this device can be fixed on any one adjustment hole 91 of nylon tape 9, thereby controls the unlatching amplitude of casement window sash, and keeper structure is the closer to fixed head 8, and the opening degree of sash is less.

The locked instrument being illustrated in figure 5 in above-described embodiment is arranged on the schematic diagram when unused state on sash.As can be seen from Figure 5 when unused state, nylon tape 9 can rotate freely to and naturally droops, and does not only affect the use of sash, and both artistic and practical.Fig. 6 is that in the present embodiment, locked instrument is arranged on the schematic diagram under use state on sash.

This device can need to be selected the single telescopic band fixed structure of single nylon tape and two telescopic band fixed structures of two nylon tapes according to using, and can use in the ordinary course of things single nylon tape to realize the connection of window frame and sash; When window frame is positioned at two fan windows middle, keeper structure in this device can be fixed in intermediate frame, in the two fan windows of the left and right of window frame, respectively use a nylon tape and a fixed plate structure, the adjustment hole of two nylon tapes is all connected with the keeper structure of this device, thereby controls the aperture of two fan windows simultaneously.Shown in Fig. 1 and Fig. 2, be the situation that adopts two telescopic band fixed structures of two telescopic bands.Fig. 7 a is depicted as the schematic diagram of casement window locked instrument when monolateral use state in the present embodiment; Fig. 7 b is depicted as the schematic diagram of casement window locked instrument when bilateral use state in the present embodiment.

In summary, the utility model locked instrument has changed that existing casement window can only be opened entirely or the present situation of totally-enclosed two kinds of patterns, allow the user can be according to self needing to regulate arbitrarily size and the locking that casement window can enable possition, not only can prevent that infant from boring drop in the high-altitude generation of accident of window, and because appropriateness is windowed, lawless person does not have opportunity, thereby has realized anti-theft feature.Meanwhile, the appropriateness useful physical and mental health of ventilating of windowing.In addition, this device also have that body is less, good looking appearance and be convenient to the advantages such as installation.

The above-mentioned description to embodiment is can understand and use the utility model for ease of those skilled in the art.Person skilled in the art obviously can easily make various modifications to these embodiment, and General Principle described herein is applied in other embodiment and needn't passes through performing creative labour.Therefore, the utility model is not limited to above-described embodiment, and those skilled in the art are according to announcement of the present utility model, and not departing from the improvement that the utility model category makes and revise all should be within protection domain of the present utility model.

Claims (10)

1. a locked instrument for casement window, is characterized in that: comprise keeper structure, telescopic band and telescopic band fixed structure;

Described keeper structure is connected with described telescopic band and by adjusting link position, changes the use length of described telescopic band;

Described telescopic band fixed structure is connected with described telescopic band, to assist being connected of described telescopic band and casement window.

2. the locked instrument of casement window according to claim 1, it is characterized in that: described keeper structure comprises keeper panel (21), the sidewall (22) perpendicular to described keeper panel (21), the second base plate (32), described keeper panel (21) and described sidewall (22) cover the upper formation of described the second base plate (32) box like structure;

Described the second base plate (32) is provided with erection column (35), and described keeper panel (21) is provided with the first installing hole (24) coordinating with described erection column (35); On described telescopic band, be arranged in order the adjustment hole (91) that profile all coordinates with described erection column (35), and coordinating in described box like structure by described adjustment hole (91) and described erection column (35); The cross sectional shape of described erection column (35) is identical with the profile of described the first installing hole (24) and described adjustment hole (91);

Preferably, described erection column (35) is cylindrical, and described the first installing hole (24) and described adjustment hole (91) are circular hole; Preferably, described telescopic band is Nylon Bag (9).

3. the locked instrument of casement window according to claim 1, is characterized in that: one end of described telescopic band (9) is provided with circular fixing hole (92);

Described telescopic band fixed structure comprises fixed panel (81), fixed base plate (82) and bolt (85), in described fixed panel (81), there is a circular counter bore (83), in described fixed base plate (82), there is one and be with female round boss (84); Described round boss (84) is connected with described adjustment hole (91);

Described bolt (85) is connected with the internal thread in described round boss (84) afterwards by described circular counter bore (83), described circular fixing hole (92) respectively;

In described fixed base plate (82), also comprise four fixing holes (86), to connect casement window.

4. the locked instrument of casement window according to claim 2, is characterized in that: on described sidewall (22), have an inclined tongue hole (23);

Described keeper structure also comprise described the second base plate (32) extension the first base plate (31), be positioned at cylinder fixed axis (30), lock tongue linking mechanism (4), stage clip (5) and key (10) on described the first base plate (31);

The edge projection of described the first base plate (31) has tongue linked operation groove (33) on the lug that is positioned at inner side, on the lug outside being positioned at, has sidewall of the bottom plate groove (51);

Described lock tongue linking mechanism comprises connecting rod (41) and latch bolt contiguous block (42), and there is a hexagonal boss (4101) one end of described connecting rod (41), and the other end contains connecting hole (4102); Described latch bolt contiguous block (42) is a block structure that comprises latch bolt (4201), and described block structure upper surface is provided with set bar (4202), and a side end face is provided with stage clip alignment pin (4203); Described latch bolt contiguous block (42) is arranged in described tongue linked operation groove (33), and described connecting hole (4102) is connected with described set bar (4202);

The bottom of described hexagonal boss (4101) has the groove being connected with described cylinder fixed axis (30);

One end of described stage clip (5) is arranged in described sidewall of the bottom plate groove (51), and the other end is connected on described stage clip alignment pin (4203);

The bottom of described key (10) is the cylinder with the groove coordinating with described hexagonal boss (4101);

Preferably, described connecting hole (4102) is waist-shaped hole.

5. the locked instrument of casement window according to claim 4, is characterized in that: described keeper structure also comprises the cover plate (1) being covered on the first base plate (31); In described cover plate (1), comprise a circular shrinkage hole (101) coordinating with the lower end of described key (10), surrounding comprises four screwed holes, by four screws (12), is connected with described the first base plate (31); Described key (10) is connected with described hexagonal boss (4101) by after described circular shrinkage hole (101).

6. the locked instrument of casement window according to claim 4, is characterized in that: described keeper structure also comprises torsion spring (6), keeper pin (7), be positioned at the first axis hole (7101) and second axis hole (7102) at the inside bottom two ends of described keeper panel (21), be positioned at described the second base plate (32) outer ledge axis hole (72), lay respectively at the first torsion spring holddown groove (2501) and the second torsion spring holddown groove (2502) on described keeper panel (21) and described the second base plate (32);

Described keeper pin (7) is successively through described the first axis hole (7101), described torsion spring (6), described axis hole (72) and described the second axis hole (7102) rivet clasp; Described torsion spring (6) is stuck in described the first torsion spring holddown groove (2501) and the second torsion spring holddown groove (2502).

7. the locked instrument of casement window according to claim 6, it is characterized in that: described device also comprises dividing plate (11), in described dividing plate (11), there is second installing hole (1101) coordinating with described erection column (35), one side end face is provided with Triaxial hole (73), and described Triaxial hole (73) is inserted on described keeper pin (7).

8. the locked instrument of casement window according to claim 3, it is characterized in that: described device also comprises second telescopic band identical with described telescopic band and the second telescopic band fixed structure identical with described telescopic band fixed structure, described the second telescopic band is connected with described keeper structure in the mode identical with described telescopic band fastening devices with described telescopic band with described the second telescopic band fastening devices, to control two fan casement windows simultaneously.

9. the locked instrument of casement window according to claim 2, is characterized in that: on described base plate (32), comprise two counterbore (36) is installed, to realize the installation of described keeper structure and casement window window frame.

10. the locked instrument of casement window according to claim 4, it is characterized in that: on described the first base plate (31), also comprise the spacer pin (34) perpendicular to described the first base plate (31), distance between described spacer pin (34) and described cylinder fixed axis (30) is less than the length of described connecting rod (41), and the height of described spacer pin (34) is greater than or equal to the height of described connecting rod (41).

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