A kind of sound-insulation aluminum alloy door window
Technical field
The invention belongs to window technology field, specifically a kind of sound-insulation aluminum alloy door window.
Background technology
Sound insulation door and window is a kind of frame window construction that sound control glass insertion aluminum alloy frame is made.It is usually applied to
Need peace and quiet environment and obstruct noise place.Window is indispensable one of the structure of building, it plays ventilation, daylighting, sound insulation etc.
Multiple action.Currently, building is equipped with the double-deck sound control glass door and window, is closed when by door and window mostly in the house for having noise area
When in sound insulation state, room air does not circulate;Noise is big if opening window, and mosquitos and flies also has the possibility flown within doors, if
Nobody home is then dangerous, meet once in a while rain also can drift ice in interior.
Also occur a kind of some technical solutions of sound-insulation aluminum alloy door window in the prior art, such as application No. is
201120489948 Chinese patent discloses a kind of sound insulation door and window, including framework and sound control glass, the left frame body
Upper bottom surface is provided with upper left sliding slot, and the bottom surface of the left frame body is provided with lower-left sliding slot;The upper bottom surface of the right framework is arranged
There are upper right sliding slot, the bottom surface of the right framework to be provided with bottom right sliding slot;The lower-left sliding slot and the bottom right sliding slot respectively one
End is connected with each other and is set to the bottom surface at an angle, and respectively one end mutually interconnects the upper left sliding slot with the upper right sliding slot
It connects and is set to the upper bottom surface at an angle;The top of the left sound control glass is embedded in the upper left sliding slot, the left sound insulation
Glass is embedded in the lower-left sliding slot below;The top of the right sound control glass is embedded in the upper right sliding slot, the right sound insulation glass
Glass is embedded in the bottom right sliding slot below.
The sound insulation door and window of the technical solution can be aerated while sound insulation, at the same can mosquito-proof, rain-proof, and have
There is good anti-theft function.But the soundproof effect of the program is bad, and when sound insulation door and window pulls open, sound cannot be carried out every
Absolutely, so that the technical solution is restricted.
Invention content
In order to make up for the deficiencies of the prior art, a kind of sound-insulation aluminum alloy door window proposed by the present invention, by pushing and pulling interior frame
To a Slideslip, rotating module is fully deployed and the gap between outer rim and interior frame carries out sound insulation;While No.1 sound-absorption hole,
No. two sound-absorption holes are connected to No. three sound-absorption holes so that indoor and outdoor air carries out convection current, to improve the freshness of room air.
The technical solution adopted by the present invention to solve the technical problems is:A kind of sound-insulation aluminum alloy door of the present invention
Window, including outer rim, interior frame, sound-absorbing glass;It further include rotating module;The outer rim is connected by rotating module and interior frame
It connects;The interior frame includes left frame and left frame, and sound-absorbing glass, left frame are installed with respectively in left frame and left frame
It is slidably mounted on the sliding rail of outer rim with left frame;Wherein,
The rotating module includes No.1 abatvoix, No. two abatvoixs, No. three abatvoixs and No.1 sliding block;No. two suctions
Soundboard both ends are slided in No.1 abatvoix and No. three abatvoixs respectively, and No. two abatvoix one end are rotatablely installed outside by shaft
In the slot of frame, No. two abatvoix other ends are rotatably installed in by shaft on No.1 sliding block;The No.1 sliding block is in interior frame
In No.1 sliding slot in slide;The No.1 sliding slot is arc groove;Pull left frame sliding in the sliding rail of outer rim from left to right
It is dynamic so that No. two abatvoixs are rotated counterclockwise along outer rim.When work, left frame is pushed to slide from left to right, due to outer rim
Fixed, under the action of left frame, No. two abatvoix one end rotate in the slot of outer rim, the other end of No. two abatvoixs
It is slided in the No.1 sliding slot of interior frame by No.1 sliding block so that rotating module turns to level;At this point, pulling No.1 respectively
Abatvoix and No. three abatvoixs, No. two abatvoixs slide in No.1 abatvoix and No. three abatvoixs respectively, until rotating module
By the clearance seal between interior frame and outer rim, to realize the sound insulation again of door and window, and then the reality of aluminum alloy doors and windows is improved
The property used.
Preferably, one group of No.1 sound-absorption hole is equipped in the No.1 abatvoix, being equipped with one group No. two in No. two abatvoixs inhales
Sound hole is equipped with one group of No. three sound-absorption hole in No. three abatvoixs;No. two sound-absorption hole both sides are arranged with U-shaped channel and one number service
Road, No. two sound-absorption holes are connected to No.1 sound-absorption hole and No. two sound-absorption holes by No.1 channel with U-shaped channel respectively.Work
When, pull No.1 abatvoix and No. three abatvoixs so that No. two abatvoixs are sliding in No.1 abatvoix and No. three abatvoixs respectively
Dynamic, in sliding, No.1 sound-absorption hole, No. two sound-absorption holes are connected to No. three sound-absorption holes so that outdoor air with
Indoor air carries out convection current, and then improves the freshness of room air;In No.1 sound-absorption hole, No. two sound-absorption holes and No. three suctions
During sound hole is connected to, when sound passes to No. two sound-absorption holes, the symmetrically arranged U-shaped channel in No. two sound-absorption hole both sides and one number service
Road has carried out offsetting decaying to transmitting the sound come, to improve soundproof effect.
Preferably, one group of No.1 sound-absorption hole is equipped in the No.1 abatvoix, being equipped with one group No. two in No. two abatvoixs inhales
Sound hole is equipped with one group of No. three sound-absorption hole in No. three abatvoixs;No. two channels, No. two channels are equipped at No. two sound-absorption holes
For bidirectional screw shape channel, the middle end opening in bidirectional screw shape channel is connected to No. two sound-absorption holes.When work, No.1 sound-absorbing is pulled
Plate and No. three abatvoixs so that No. two abatvoixs slide in No.1 abatvoix and No. three abatvoixs respectively, in sliding, No.1
Sound-absorption hole, No. two sound-absorption holes are connected to No. three sound-absorption holes, so that outdoor air and indoor air carry out pair
Stream, and then improve the freshness of room air;It is connected to No. three sound-absorption holes in No.1 sound-absorption hole, No. two sound-absorption holes
In, when sound passes to No. two sound-absorption holes, the bidirectional screw channel being arranged at No. two sound-absorption holes increases the route of sound transmission, makes
It obtains and has carried out offsetting decaying to transmitting the sound come, and then improve soundproof effect.
Preferably, the No.1 abatvoix, No. two abatvoixs and No. three abatvoixs are all made of polyester fibre acoustic panel, slot wood
One kind in abatvoix and Soft Roll abatvoix.
Preferably, the both ends of No. two abatvoixs are equipped with No. two sliding blocks, and No. two sliding blocks are respectively in No.1 abatvoix and three
It is slided in the slot of number abatvoix.When work, when pulling No.1 abatvoix and No. two abatvoixs, if not stopping so that No. two sound-absorbings
Plate is detached from No.1 abatvoix and No. three abatvoixs, by the way that No. two sliding blocks are arranged so that No. two abatvoixs cannot be detached from No.1 sound-absorbing
Plate and No. three abatvoixs;Simultaneously as No. two sliding block effects so that between No.1 abatvoix, No. two abatvoixs and No. three abatvoixs
Closely together without dead point, sound cannot be passed to from seam, to improve soundproof effect.
Preferably, the outer rim is equipped with one group of No.1 slot, is equipped with baffle in the No.1 slot, the baffle is in No.1 slot
Middle sliding is connected to by No. three channels between adjacent No.1 slot;It is equipped with No. two slots in the interior frame, is set in No. two slots
There are damping block, the opening diameter of the No.1 slot to be more than the diameter of damping block, damping block cooperation baffle makes when pulling interior frame
Interior frame pulls amplitude identical.When work, left frame is pulled from left to right, and when pulling force is excessive, left frame is easy quickly to pull open simultaneously
Exterior door frame is bumped against, to be damaged to aluminum alloy doors and windows, by the way that damping block is arranged, the damping block on the right side of left frame reaches outer
When on the right side of frame in No.1 slot, the damping block on the right side of left frame pushes the baffle on the right side of outer rim in No.1 slot to far from left frame
A Slideslip, baffle passes to gas in the No.1 slot on the left of outer rim by No. three channels, and under gas pressure, outer rim is left
Baffle in the No.1 slot of side pulls on left frame, the left side to close to one Slideslip of left frame until baffle is flushed with left frame
Damping block on the right side of frame moves in No.1 slot on the right side of outer rim, and the damping block on the left of left frame reaches one on the left of outer rim
When number slot, the damping block on the left of left frame pushes the baffle on the left of outer rim in No.1 slot to the Slideslip far from left frame,
Make baffle on the left of outer rim in No.1 slot by the No.1 slot on the right side of the damping block ejection outer rim on the right side of the money of the left side, left frame after
It is continuous to slide to the right, so that the distance of left frame sliding is identical every time, and then door and window is protected.
Preferably, the damping block includes No.1 block and No. two blocks;No.1 block both sides are connected by spring
In No. two slots, No.1 block one end is connected No. two blocks by spring, and the No.1 block other end and No. two slot bottoms terminate
It touches;The end of No. two blocks is arc.When work, pull left frame sliding in, damping block enters in No.1 slot, after
When continuous pulling left frame, it is easy to break since damping block is rigid, by the way that damping block is set as No.1 block and No. two blocks, delays
Stress of the outer rim to damping block is solved, to protect damping block.
Preferably, the both sides of No. two blocks are respectively provided with supporting mechanism, and the supporting mechanism slides in No. two slots.Work
When making, by setting supporting mechanism No. two block both sides so that the not left and right offset of No. two blocks, to pulling left frame to play
Damping action.
Preferably, the supporting mechanism includes sliding extension bar and No. three sliding blocks;Sliding extension bar one end with No. two
Block contacts, and the sliding extension bar other end is slided by No. three sliding blocks in No. two slots.When work, from left to right in the money of the left side
When No. two blocks are entered in No.1 slot, the sliding extension bar of No. two block both sides is slided against No. two blocks in No. two slots,
So that No. two blocks do not shift always, to improve the damping action of No. two blocks.
Beneficial effects of the present invention are as follows:
1. a kind of sound-insulation aluminum alloy door window of the present invention, when left frame being pushed to slide from left to right, No. two abatvoixs
One end rotates in the slot of outer rim, and the other end of No. two abatvoixs is sliding in the No.1 sliding slot of interior frame by No.1 sliding block
It is dynamic so that rotating module turns to level;And slided in No.1 abatvoix and No. three abatvoixs by No. two abatvoixs, until
Clearance seal between interior frame and outer rim to realize the sound insulation again of door and window, and then is improved aluminium alloy by rotating module
The practicability of door and window.
2. a kind of sound-insulation aluminum alloy door window of the present invention passes through No.1 sound-absorption hole, No. two sound-absorption holes and No. three sound-absorbings
Hole is connected to, and realizes the convection current that outdoor air is carried out with indoor air, and then improve the fresh of room air
Degree;Simultaneously in No.1 sound-absorption hole, No. two sound-absorption holes are connected to No. three sound-absorption holes, when sound passes to No. two sound-absorption holes,
The bidirectional screw channel being arranged at No. two sound-absorption holes increases the route of sound transmission so that sound carried out to offset decaying,
To improve the soundproof effect of aluminum alloy doors and windows.
3. a kind of sound-insulation aluminum alloy door window of the present invention is led to by the way that damping block is arranged between outer rim and interior frame
The mutual cooperation between baffle in overdamp block and No.1 slot so that when pushing and pulling interior frame, the sliding amplitude of interior frame is identical,
It exerts oneself excessive so as to avoid push-and-pull interior frame and aluminum alloy doors and windows is damaged.
4. a kind of sound-insulation aluminum alloy door window of the present invention, by the way that damping block is set as No.1 block and No. two blocks,
When No. two blocks generate damping action to interior frame, the mutual cooperation between No.1 block and No. two blocks slows down outer rim
To the stress of interior frame, to protect aluminum alloy doors and windows.
Description of the drawings
The invention will be further described below in conjunction with the accompanying drawings.
Fig. 1 is the front view of the present invention;
Fig. 2 is the sectional view of rotating module;
Fig. 3 is the sectional view of A-A in Fig. 2;
Fig. 4 is the sectional view of B-B and a kind of structural schematic diagram in Fig. 3;
Fig. 5 is the sectional view of B-B and another structural schematic diagram in Fig. 3;
Fig. 6 is the partial enlarged view at C in Fig. 1;
Fig. 7 is the sectional view of D-D in Fig. 2;
In figure:Outer rim 1, U-shaped channel 11, the channel 13, two of No.1 channel 12, two sliding block 14, No.1 slot 15, baffle
16,25, No. two No. three channels 17, interior frame 2, left frame 21,22, No. two slots 23 of left frame, damping block 24, No.1 block blocks
26, sound-absorbing glass 3, rotating module 4, No.1 abatvoix 41, two abatvoix 42, three abatvoix 43, No.1 sliding block 44, No.1
51, No. three sliding slot 45, the sound-absorption hole 47, three of No.1 sound-absorption hole 46, two sound-absorption hole 48, supporting mechanism 5, sliding extension bar sliding blocks
52。
Specific implementation mode
In order to make the technical means, the creative features, the aims and the efficiencies achieved by the present invention be easy to understand, tie below
Specific implementation mode is closed, the present invention is further explained.
As shown in Figures 1 to 7, a kind of sound-insulation aluminum alloy door window of the present invention, including outer rim 1, interior frame 2, suction
Sound glass 3;It further include rotating module 4;The outer rim 1 is connect by rotating module 4 with interior frame 2;The interior frame 2 includes
Sound-absorbing glass 3, left frame 21 and the right are installed in left frame 21 and left frame 22, left frame 21 and left frame 22 respectively
Frame 22 is slidably mounted on the sliding rail of outer rim 1;Wherein,
The rotating module 4 includes the abatvoix 43 of abatvoix 42, three of No.1 abatvoix 41, two and No.1 sliding block 44;
42 both ends of No. two abatvoixs are slided in No.1 abatvoix 41 and No. three abatvoixs 43 respectively, and No. two 42 one end of abatvoix are logical
It crosses shaft to be rotatably installed in the slot of outer rim 1, No. two 42 other ends of abatvoix are rotatably installed in No.1 sliding block 44 by shaft
On;The No.1 sliding block 44 slides in the No.1 sliding slot 45 in interior frame 2;The No.1 sliding slot 45 is arc groove;It pulls left
Frame 21 slides in the sliding rail of outer rim 1 from left to right so that No. two abatvoixs 42 are rotated counterclockwise along outer rim 1.Work
When, push left frame 21 to slide from left to right, since outer rim 1 is fixed, under the action of left frame 21, No. two abatvoixs
42 one end rotate in the slot of outer rim 1, and the No.1 of the other ends of No. two abatvoixs 42 by No.1 sliding block 44 in interior frame 2 is slided
It is slided in slot 45 so that rotating module 4 turns to level;At this point, No.1 abatvoix 41 and No. three abatvoixs 43 are pulled respectively, two
Number abatvoix 42 slides in No.1 abatvoix 41 and No. three abatvoixs 43 respectively, until rotating module 4 is by interior frame 2 and outside
Clearance seal between frame 1 to realize the sound insulation again of door and window, and then improves the practicability of aluminum alloy doors and windows.
As one embodiment of the present invention, in the No.1 abatvoix 41 be equipped with one group of No.1 sound-absorption hole 46, No. two
It is equipped with one group of No. two sound-absorption hole 47 in abatvoix 42, one group of No. three sound-absorption hole 48 is equipped in No. three abatvoixs 43;No. two suctions
47 both sides of sound hole are arranged with U-shaped channel 11 and No.1 channel 12, and No. two sound-absorption holes 47 pass through No.1 channel 12 and U-shaped channel 11
It is connected to respectively with No.1 sound-absorption hole 46 and No. two sound-absorption holes 47.When work, No.1 abatvoix 41 and No. three abatvoixs are pulled
43 so that No. two abatvoixs 42 slide in No.1 abatvoix 41 and No. three abatvoixs 43 respectively, in sliding, No.1 sound-absorption hole
46, No. two sound-absorption holes 47 are connected to No. three sound-absorption holes 48, so that outdoor air and indoor air carry out pair
Stream, and then improve the freshness of room air;It is carried out in 46, No. two sound-absorption holes 47 of No.1 sound-absorption hole and No. three sound-absorption holes 48
In connection, when sound passes to No. two sound-absorption holes 47, the symmetrically arranged U-shaped channel 11 in No. two 47 both sides of sound-absorption hole and No.1 channel 12
It has carried out offsetting decaying to transmitting the sound come, to improve soundproof effect.
As one embodiment of the present invention, in the No.1 abatvoix 41 be equipped with one group of No.1 sound-absorption hole 46, No. two
It is equipped with one group of No. two sound-absorption hole 47 in abatvoix 42, one group of No. three sound-absorption hole 48 is equipped in No. three abatvoixs 43;No. two suctions
No. two channels 13 are equipped at sound hole 47, No. two channels 13 are bidirectional screw shape channel, and the middle-end in bidirectional screw shape channel is opened
Mouth is connected to No. two sound-absorption holes 47.When work, No.1 abatvoix 41 and No. three abatvoixs 43 are pulled so that No. two abatvoixs 42 divide
It is not slided in No.1 abatvoix 41 and No. three abatvoixs 43, in sliding, 46, No. two sound-absorption holes 47 of No.1 sound-absorption hole and No. three
Sound-absorption hole 48 is connected to, so that outdoor air carries out convection current with indoor air, and then improves room air
Freshness;In 46, No. two sound-absorption holes 47 of No.1 sound-absorption hole are connected to No. three sound-absorption holes 48, sound passes to No. two suctions
When sound hole 47, the bidirectional screw channel being arranged at No. two sound-absorption holes 47 increases the route of sound transmission so as to what is transmitted
Sound has carried out offsetting decaying, and then improves soundproof effect.
As one embodiment of the present invention, 41, No. two abatvoixs 42 of the No.1 abatvoix and No. three abatvoixs 43
The one kind being all made of in polyester fibre acoustic panel, slot wood abatvoix and Soft Roll abatvoix.
As one embodiment of the present invention, the both ends of No. two abatvoixs 42 are equipped with No. two sliding blocks 14, No. two cunnings
Block 14 slides in the slot of No.1 abatvoix 41 and No. three abatvoixs 43 respectively.When work, No.1 abatvoix 41 and No. two are pulled
When abatvoix 42, if not stopping so that No. two disengaging No.1 of abatvoixs 42 abatvoixs 41 and No. three abatvoixs 43, pass through setting
No. two sliding blocks 14 so that No. two abatvoixs 42 cannot be detached from No.1 abatvoix 41 and No. three abatvoixs 43;Simultaneously as No. two cunnings
Block 14 acts on so that close together without dead point between 41, No. two abatvoixs 42 of No.1 abatvoix and No. three abatvoixs 43, sound is not
It can be passed to from seam, to improve soundproof effect.
As one embodiment of the present invention, the outer rim 1 is equipped with one group of No.1 slot 15, is set in the No.1 slot 15
There are baffle 16, the baffle 16 to be slided in No.1 slot 15, is connected to by No. three channels 17 between adjacent No.1 slot 15;It is described
It is equipped with No. two slots 23 in interior frame 2, damping block 24 is equipped in No. two slots 23, the opening diameter of the No.1 slot 15 is more than resistance
The diameter of Buddhist nun's block 24, damping block 24 coordinates baffle 16 so that interior frame 2 pulls amplitude identical when pulling interior frame 2.When work, from
From left to right pulls left frame 21, and when pulling force is excessive, left frame 21 is easy quickly to pull open and bump against exterior door frame, to aluminium alloy door
Window damages, by the way that damping block 24 is arranged, when the damping block 24 on 21 right side of left frame reaches in 1 right side No.1 slot 15 of outer rim
When, the damping block 24 on 21 right side of left frame pushes the baffle 16 in 1 right side No.1 slot 15 of outer rim so that baffle 16 is to far from left
One Slideslip of frame 21, baffle 16 pass to gas in the No.1 slot 15 on the left of outer rim by No. three channels 17, make in air pressure
Under, the baffle 16 in 1 left side No.1 slot 15 of outer rim is to 21 1 Slideslip of close left frame, until baffle 16 and left frame 21
It flushes, pulls on left frame 21, the damping block 24 on 21 right side of left frame moves in 1 right side No.1 slot 15 of outer rim, on a left side
When the damping block 24 in 21 left side of frame reaches the No.1 slot 15 in 1 left side of outer rim, the damping block 24 on the left of left frame 21 pushes outer
Baffle 16 in 1 left side No.1 slot 15 of frame so that baffle 16 makes 1 left side of outer rim to the Slideslip far from left frame 21
The damping block 24 on 21 right side of left side money is ejected the No.1 slot 15 on the right side of outer rim by baffle 16 in No.1 slot 15, left frame 21 after
It is continuous to slide to the right, so that the distance that left frame 21 slides every time is identical, and then door and window is protected.
As one embodiment of the present invention, the damping block 24 includes No.1 block 25 and No. two blocks 26;It is described
25 both sides of No.1 block are connected in by spring in No. two slots 23, and described 25 one end of No.1 block is connected No. two blocks by spring
26,25 other end of No.1 block is contacted with No. two 23 bottom ends of slot;The end of No. two blocks 26 is arc.When work, pull
During left frame 21 slides, damping block 24 enters in No.1 slot 15, when pulling on left frame 21, since damping block 24 is rigid
Property be easy disconnected, by the way that damping block 24 is set as No.1 block 25 and No. two blocks 26, alleviate outer rim 1 to damping block 24
Stress, to protect damping block 24.
As one embodiment of the present invention, the both sides of No. two blocks 26 are respectively provided with supporting mechanism 5, the support
Mechanism 5 is slided in No. two slots 23.When work, by setting supporting mechanism 5 No. two 26 both sides of block so that No. two blocks 26 are not
Left and right offset, to pulling left frame 21 to play damping action.
As one embodiment of the present invention, the supporting mechanism 5 includes sliding extension bar 51 and No. three sliding blocks 52;Institute
It states 51 one end of sliding extension bar to contact with No. two blocks 26,51 other end of sliding extension bar is by No. three sliding blocks 52 in No. two slots 23
Middle sliding.When work, when No. two blocks 26 in the money of the left side are entered in No.1 slot 15 from left to right, No. two 26 both sides of block
Sliding extension bar 51 is slided against No. two blocks 26 in No. two slots 23 so that and No. two blocks 26 do not shift always, to
Improve the damping action of No. two blocks 26.
When work, left frame 21 is pushed to slide from left to right, since outer rim 1 is fixed, in the effect of left frame 21
Under, No. two 42 one end of abatvoix rotate in the slot of outer rim 1, including the other ends of No. two abatvoixs 42 is by No.1 sliding block 44
It is slided in the No.1 sliding slot 45 of frame 2 so that rotating module 4 turns to level;At this point, pulling No.1 abatvoix 41 and three respectively
Number abatvoix 43, No. two abatvoixs 42 slide in No.1 abatvoix 41 and No. three abatvoixs 43 respectively, until rotating module 4 will
Clearance seal between interior frame 2 and outer rim 1;No. two abatvoixs 42 make 46, No. two sound-absorption holes 47 of No.1 sound-absorption hole in sliding
It is connected to No. three sound-absorption holes 48 so that indoor and outdoor air has carried out convection current, simultaneously because channel in No. two abatvoixs 42
Sound is offset, soundproof effect is improved;Left frame 21 is pulled from left to right, and when pulling force is excessive, left frame 21 is easy fast
Exterior door frame is pulled open and bumped against to speed, to be damaged to aluminum alloy doors and windows, by the way that damping block 24 is arranged, when 21 right side of left frame
When damping block 24 is reached in 1 right side No.1 slot 15 of outer rim, the damping block 24 on 21 right side of left frame pushes 1 right side No.1 of outer rim
For baffle 16 in slot 15 to the Slideslip far from left frame 21, baffle 16 passes to gas on the left of outer rim by No. three channels 17
No.1 slot 15 in, under gas pressure, the baffle 16 in 1 left side No.1 slot 15 of outer rim so that baffle 16 is to close to the left side
21 1 Slideslip of frame pulls on left frame 21, the damping block 24 on 21 right side of left frame until baffle 16 is flushed with left frame 21
It is moved in 1 right side No.1 slot 15 of outer rim, the damping block 24 in 21 left side of left frame reaches the No.1 slot 15 in 1 left side of outer rim
When, the damping block 24 in 21 left side of left frame pushes the baffle 16 in 1 left side No.1 slot 15 of outer rim so that baffle 16 is to far from left
One Slideslip of frame 21 makes the baffle 16 in 1 left side No.1 slot 15 of outer rim eject the damping block 24 on 21 right side of left side money
No.1 slot 15 on the right side of outer rim, the continuation of left frame 21 are slided to the right, so that the distance that left frame 21 slides every time is identical,
And then door and window is protected.
Above-mentioned front, back, left, right, up, down is mark according to personage's observation visual angle on the basis of Fig. 6 in Figure of description
Standard, device surface to before being defined as on one side of observer, a left side is defined as on the left of observer, and so on.
The basic principles, main features and advantages of the invention have been shown and described above.The technical staff of the industry should
Understand, the present invention is not limited to the above embodiments, and the above embodiments and description only describe the originals of the present invention
Reason, without departing from the spirit and scope of the present invention, various changes and improvements may be made to the invention, these changes and improvements
It all fall within the protetion scope of the claimed invention.The claimed scope of the invention is by appended claims and its equivalent circle
It is fixed.