Lever protective window in a kind of building operations
Technical field
The present invention relates to a kind of protective window, the lever protective window in especially a kind of building operations.
Background technology
Now in building construction process, usually along with the construction in house, the installation site (be generally the fenestra of rectangle, can window be installed in fenestra) of reserved exit window on house.Especially put up a house in rural area, after house framework is made, because it is provided with basic rain cover function, usually a lot of article can be placed, as constructional materials, as cement is placed on the effect can playing waterproof in house framework in house framework, also has such as coating powder etc. in addition, other building operations apparatus also can be put in house framework, just needs to arrange safeguard structure like this in the position of fenestra, to realize basic anti-theft feature; Usually at fenestra place nail plank in prior art, plank is arranged in a crossed manner gets up fenestra envelope, has three problems like this: after 1, removing, wall has the hole that a lot of nail stays, and inner wall surface cement etc. in the process of striking can come off, and the later stage needs to repair; 2, plank has been torn open just useless, causes waste; 3, planking nail operation of getting up is more complicated, takes labour.
Summary of the invention
The object of the invention is the deficiency in order to solve above-mentioned technology and lever protective window in a kind of easy-to-dismount building operations designed.
Lever protective window in a kind of building operations designed by the present invention, comprise the housing of a rectangle, a chassis is provided with in housing center, four bodys totally in crossing distribution are provided with between housing and chassis, expansion link is provided with in body, the outer end of expansion link be can stretch out described housing undergauge section and in undergauge section, be provided with spring, expansion link is inner for exposing the arc head of body, described center chassis is provided with rotatably and the cam that can lock, this cam be circumferentially provided with four spaced apart in 90 degree, width becomes large blade gradually, when cam rotates, four of surrounding piece can outwards eject in 90 degree of expansion links spaced apart by described blade, body is connected with security bar, described body two side is provided with groove, described expansion link is fixedly connected with the fixed bar that groove is stretched out in two, left and right, the first hinged seat and the second hinged seat is all provided with in each root body both sides, first hinged seat is hinged with the first lever, second hinged seat is hinged with the second lever, one of them end of first lever is positioned at the outside of fixed bar end, another end of first lever is positioned at the outside of second one of them end of lever, telescopic leg is provided with in the outside of second another end of lever, this telescopic leg to be arranged on housing and extended described housing, positive stop end is provided with at the afterbody of telescopic leg, telescopic leg is also provided with spring, the positive stop end of described telescopic leg contacts with the end of the second lever, pin joint between described first lever and the first hinged seat closer to the second lever away from fixed bar.
It should be noted that: in the closer to center chassis being, getting over away from center chassis is outward.
Lever protective window in a kind of building operations designed by the present invention, during use, housing is placed on fenestra, turn cam, when cam rotates, four of surrounding piece can outwards eject in 90 degree of expansion links spaced apart by blade, and undergauge section outwards ejects and holds out against with the wall on fenestra, fixed bar is driven outwards to run when simultaneous retractable bar outwards ejects, first lever end is pressed down, the first lever other end lifts and is lifted the end of the second lever thus, the other end of second lever just outwards extrudes to the telescopic leg pressed down corresponding with it, telescopic leg also holds out against with the wall on fenestra, thus housing is contained on fenestra firmly, and wherein the first lever can play the effect of amplification power, second lever is lifted hold the power that is subject to be greater than fixed bar the power pressed down, the pressure that such telescopic leg is subject to is stronger, the effect be fixed on by housing on fenestra is better, not easily drop.
As preferably, that end that described second lever contacts with telescopic leg has an arcwall face;
As preferably, the undergauge section of described its front end of expansion link be threaded between expansion link;
As preferably, described telescopic leg front end is bolted with rubber column;
As preferably, described center chassis has through hole, and described cam bottom surface is provided with the axis body being arranged in described through hole, chassis is provided with the lower jack of some circle distribution, cam is provided with jack on, is provided with latch in described upper jack, latch inserts one of them lower jack;
As preferably, four at housing are provided with four pieces of inclined connection plates between drift angle and chassis, described security bar is connected between inclined connection plate and body, described inclined connection plate is provided with chute near that one end of drift angle, L shape block is provided with above chute, the horizontal sides of this L shape block is parallel with the horizontal sides of housing, the vertical edges of this L shape block is parallel with the vertical edges of housing, slide block is provided with in the bottom of L shape block drift angle, this slide block is arranged in described chute, also all telescopic leg is provided with between the horizontal sides and the horizontal sides of housing of L shape block and between the vertical edges and the vertical edges of housing of L shape block, telescopic leg to be arranged on housing and extended described housing, described inclined connection plate is provided with a telescopic push rod, described push rod outer end is connected with described L shape block, the inner both sides of described expansion link are provided with contiguous block, described chassis is also provided with eight outer pulleys and eight interior pulleys, the distribution mode of eight outer pulleys is: the both sides of each root push rod are all arranged with outer pulley, the distribution mode of eight interior pulleys is: the inner of each root push rod be all provided with two interior pulleys between cam and the inner of push rod is equal with the distance of two interior pulleys on both sides, the inner of described push rod is connected with two stay cords, wherein a stay cord is walked around the outer pulley being positioned at push rod side and is connected with adjacent contiguous block with after pulley, an other stay cord is walked around the outer pulley being positioned at push rod opposite side and is connected with adjacent contiguous block with after pulley.
Lever protective window in building operations designed by the present invention, its beneficial effect is: this lever protective window can be contained in fenestra firmly by turn cam, play anti-theft function, rotate backward cam after being used to complete this lever protective window to be pulled down, when putting up a house for next time, such mode, install more convenient, do not cause raw-material waste, also can not leave nail, practicality is stronger simultaneously.
Lever protective window in building operations designed by the present invention, can also use like this, namely be contained on the window frame of highrise building, because highrise building does not generally arrange burglary-resisting window, therefore often hear that child climbs out of the situation of window, and it is all the more so in the house rented, existing burglary-resisting window to be installed additional on highrise building, work progress is complicated, need to punch on the wall, construction is gone in even will climbing to outside wall of having, there is this lever protective window, just can be contained on window frame by rotating cam, so just protective action can be played, prevent children from climbing out of outside window, improve the safety used.
Accompanying drawing explanation
Fig. 1 is the structural representation of the lever protective window in embodiment 1 building operations;
Fig. 2 is the enlarged drawing at A place in Fig. 1;
Fig. 3 is the enlarged drawing at B place in Fig. 1;
Fig. 4 is the schematic diagram on embodiment 1 chassis when not installing cam;
Fig. 5 is the schematic diagram that embodiment 1 expansion link improves;
Fig. 6 is the schematic diagram that embodiment 1 telescopic leg is improved;
Fig. 7 is the structural representation of the lever protective window in embodiment 2 building operations;
Fig. 8 is the enlarged drawing at C place in Fig. 7;
Fig. 9 is the position view of embodiment 2 inclined connection plate and L shape block;
Figure 10 is the enlarged drawing at D place in Fig. 7;
In figure: housing 1, chassis 2, body 3, expansion link 4, undergauge section 5, spring 6, cam 7, blade 8, security bar 9, groove 10, fixed bar 11, first hinged seat 12, second hinged seat 13, first lever 14, second lever 15, telescopic leg 16, positive stop end 17, arcwall face 18, rubber column 19, through hole 20, axis body 21, lower jack 22, upper jack 23, latch 24, inclined connection plate 25, chute 26, L shape block 27, slide block 28, push rod 29, contiguous block 30, outer pulley 31, interior pulley 32, stay cord 33.
Detailed description of the invention
Below by embodiment, the invention will be further described by reference to the accompanying drawings.
Embodiment 1:
As Fig. 1, 2, shown in 3, lever protective window in building operations described by the present embodiment, comprise a foursquare housing 1, a chassis 2 is provided with in housing 1 center, four bodys 3 totally in crossing distribution are provided with between housing 1 and chassis 2, expansion link 4 is provided with in body 3, the outer end of expansion link 4 be can stretch out described housing 1 undergauge section 5 and in undergauge section 5, be provided with spring 6, expansion link 4 the inner is for exposing the arc head of body 3, center, described chassis 2 is provided with rotatably and the cam 7 that can lock, this cam 7 be circumferentially provided with four spaced apart in 90 degree, width becomes large blade 8 gradually, when cam 7 rotates, four of surrounding piece can outwards eject in 90 degree of expansion links 4 spaced apart by described blade 8, body 3 is connected with security bar 9, it is characterized in that described body 3 two side is provided with groove 10, described expansion link 4 is fixedly connected with the fixed bar 11 that groove 10 is stretched out in two, left and right, the first hinged seat 12 and the second hinged seat 13 is all provided with in each root body 3 both sides, first hinged seat 12 is hinged with the first lever 14, second hinged seat 13 is hinged with the second lever 15, one of them end of first lever 14 is positioned at the outside of fixed bar 11 end, another end of first lever 14 is positioned at the outside of second one of them end of lever 15, telescopic leg 16 is provided with in the outside of second another end of lever 15, this telescopic leg 16 to be arranged on housing 1 and extended described housing 1, positive stop end 17 is provided with at the afterbody of telescopic leg 16, telescopic leg 16 is also provided with spring 6, the positive stop end 17 of described telescopic leg 16 contacts with the end of the second lever 15, that end that described second lever 15 contacts with telescopic leg 16 has an arcwall face 18, arcwall face 18 can contact with the positive stop end 17 of telescopic leg 16 more fully in Extrusion, pin joint between described first lever 14 and the first hinged seat 12 closer to the second lever 15 away from fixed bar 11.
Be placed on fenestra by housing 1 during use, turn cam 7, when cam 7 rotates, four of surrounding piece can outwards eject in 90 degree of expansion links 4 spaced apart by blade 8, and undergauge section 5 outwards ejects and holds out against with the wall on fenestra, fixed bar 11 is driven outwards to run when simultaneous retractable bar 4 outwards ejects, first lever 14 end is pressed down, first lever 14 other end lifts and is lifted the end of the second lever 15 thus, the other end of second lever 15 just outwards extrudes to the telescopic leg 16 pressed down corresponding with it, telescopic leg 16 also holds out against with the wall on fenestra, due to the four edges of housing 1 being all provided with telescopic leg 16 and undergauge section 5, therefore the four edges of housing 1 is just in time arranged on four walls up and down of fenestra firmly, thus housing 1 is contained on fenestra firmly, and wherein the first lever 14 can play the effect of amplification power, second lever 15 is lifted hold the power that is subject to be greater than fixed bar 11 power pressed down, the pressure that such telescopic leg 16 is subject to is stronger, the effect be fixed on by housing 1 on fenestra is better, not easily drop, anti-theft effect is all right.
As shown in Figures 3 and 4, in the present embodiment, it is not only rotatable but also can lock that cam 7 installs realization in the following way: namely center, described chassis 2 has through hole 20, described cam 7 bottom surface is provided with the axis body 21 being arranged in described through hole 20, chassis 2 is provided with the lower jack 22 of some circle distribution, cam 7 is provided with jack 23 on, is provided with latch 24 in described upper jack 23, latch 24 inserts one of them lower jack 22; Because axis body 21 is located in through hole 20 rotatable, therefore cam 7 can rotate, and when rotation proper angle housing 1 is effectively fixed, be plugged by latch 24, such cam 7 has just been locked.Certain this structure is just wherein a kind of, and can also change, as arranged threaded column in cam 7 bottom surface, and arrange the screw matched at center, chassis 2, such cam 7 both can turn over an angle, is locked back again and be unlikely to rollback under the effect of screw thread.
Lever protective window in building operations described by the present embodiment, its beneficial effect is: this lever protective window can be contained in fenestra firmly by turn cam 7, play anti-theft function, rotate backward cam 7 after being used to complete this lever protective window to be pulled down, when putting up a house for next time, such mode, install more convenient, do not cause raw-material waste, also can not leave nail, practicality is stronger simultaneously.Simultaneously due to the rollback effect of spring 6, just housing 1 can be removed as long as rotate backward cam 7 when dismantling, undergauge section 5 and telescopic leg 16 can automatic retractions under the effect of spring 6.
In the present embodiment, first lever 14 plays the effect of the amplification of power, therefore be pin joint be eccentric setting, closer to the second lever 15, and the second lever 15 role is different from the first lever 14, the effect of the second lever 15 is by anti-for a power direction, therefore the second lever 15 can be that central point is hinged on the second hinged seat 13, also can be pin joint closer to telescopic leg 16, due to the second lever 15 mainly acting in opposition, pin joint is so long as not too eccentric, and problem is little.But as too close first lever 14, power will reduce by that, just impracticable.
As in the present embodiment, undergauge section 5 and telescopic leg 16 can be make fixed, but preferably make and can regulate length, namely adopt the undergauge section 5 of its front end of expansion link 4 described in following scheme and between expansion link 4 be threaded (as shown in Figure 5); Described telescopic leg 16 front end is bolted with rubber column 19(as shown in Figure 6), rubber column 19 preferably adopts elastic rubber material, undergauge section 5 and telescopic leg 16 can be regulated according to actual conditions like this, enable their synchronous workings when cam 7 moves in turn, prop up the metope of fenestra simultaneously.
Embodiment 2:
As Fig. 7, 8, 9, shown in 10, lever protective window in building operations described by the present embodiment, as different from Example 1: between four drift angles and chassis 2 of housing 1, be provided with four pieces of inclined connection plates 25, described security bar 9 is connected between inclined connection plate 25 and body 3, described inclined connection plate 25 is provided with chute 26 near that one end of drift angle, L shape block 27 is provided with above chute 26, the horizontal sides of this L shape block 27 is parallel with the horizontal sides of housing 1, the vertical edges of this L shape block 27 is parallel with the vertical edges of housing 1, slide block 28 is provided with in the bottom of L shape block 27 drift angle, this slide block 28 is arranged in described chute 26, slide block 28 can move and obtain the spacing of chute 26 in chute 26, also telescopic leg 16 is all provided with between the horizontal sides and the horizontal sides of housing 1 of L shape block 27 and between the vertical edges and the vertical edges of housing 1 of L shape block 27, telescopic leg 16 to be arranged on housing 1 and extended described housing 1, described inclined connection plate 25 is provided with a telescopic push rod 29, described push rod 29 outer end is connected with described L shape block 27, the described inner both sides of expansion link 4 are provided with contiguous block 30, described chassis 2 is also provided with eight outer pulleys 31 and eight interior pulleys 32, the distribution mode of eight outer pulleys 31 is: the both sides of each root push rod 29 are all arranged with outer pulley 31, the distribution mode of eight interior pulleys 32 is: the inner of each root push rod 29 be all provided with two interior pulleys 32 between cam 7 and the inner of push rod 29 is equal with the distance of two interior pulleys 32 on both sides, the inner of described push rod 29 is connected with two stay cords 33, wherein stay cord 33 is walked around the outer pulley 31 being positioned at push rod 29 side and is connected with adjacent contiguous block 30 with after pulley 32, an other stay cord 33 is walked around the outer pulley 31 being positioned at push rod 29 opposite side and is connected with adjacent contiguous block 30 with after pulley 32.
Lever protective window in building operations described by the present embodiment, on the basis of embodiment 1, has installed moveable L shape block 27 additional; When cam 7 rotates, by the outside driving of expansion link 4, described contiguous block 30 moves with expansion link 4, such stay cord 33 is just pulled tightly, under the guide effect of pulley 31 and interior pulley 32 outside, push rod 29 is extrapolated, thus by extrapolated for whole L shape block 27, four L shape blocks 27 are outwards pulled makes the distance of itself and housing 1 reduce gradually, telescopic leg 16 is outwards ejected, also be supported on firmly on window frame by the telescopic leg 16 that L shape block 27 drives like this, whole like this housing 1 has just been installed on window frame, installs just more firm.
Above-described embodiment is only to design of the present invention explanation for example, and significantly, the protection domain of this patent is not limited to above-described embodiment.
The various equivalent modifications or supplementary that those skilled in the art do above-described embodiment, all should fall into the protection domain of this patent.