CN2931727Y

CN2931727Y - Combined door

Info

Publication number: CN2931727Y
Application number: CN 200620061938
Authority: CN
Inventors: 杨达华
Original assignee: Individual
Current assignee: Individual
Priority date: 2006-07-21
Filing date: 2006-07-21
Publication date: 2007-08-08
Anticipated expiration: 2016-07-21

Abstract

A combined door comprises a doorframe with aluminum alloy sections installed with the combined door and two door faceplates arranged on a section bar of the aluminum alloy doorframe. The section bar of the aluminum alloy doorframe comprises an all-round hermetic cavity, wherein a shoulder is arranged in the side close to the outer periphery. The shoulder extends both forward and backward. Between the shoulder and the hermetic cavity wall forms a first chase which opens an opening towards the outer side of the doorframe. The section bar of the aluminum alloy doorframe is further equipped with a fastener groove to install a door plat. The opening of the fastener groove opens towards the front and rear sides. The plat beats in the front and rear fastener grooves arranged in the section bar of the aluminum alloy doorframe by a first striking flake arranged in the plat. The plat is arranged on the doorframe and blocked by the first blocking part on both sides of the first fastener groove. The advantages of the combined door with the structure are that the structure is firm with non-deformable in performance and attractive in appearance, and can choose the doorplates with different material qualities according to needs. More particularly the combined door is good at heat resistance and acoustic insulation with a wide scope of application and is capable of being connected on the doorframe of the house doors directly and being produced in mass industrialization.

Description

A kind of composite door

Technical field

The utility model relates to a kind of door, particularly relates to a kind of composite door by section bar composing frames such as aluminium alloyss.

Background technology

Existing door, the general timber framework that uses, though this door is simple in structure, install easily, but its shortcoming is the door face board material to be selected to be restricted, and is difficult to dealing with various requirements, as because doorframe is wooden, thereby be not suitable for selecting some mineral-type wood-based plates such as some fire proofing materials such as calcium silicate board with microporous, glass magnesium plate to do labeled door, also be not suitable for installing door face boards such as glass; Be exactly generally one deck door face board to be installed in addition, soundproof effect is bad; Particularly insecure, the easy deformation of sash structure, be difficult to realize large-scale industrial production, when the width of doorframe reaches more than the 1.2M and/or the height of doorframe reaches 2.2M when above, it is more obvious that the distortion of doorframe shows, ready-made door is because distortion can't be installed, cause and repeatedly reprocess processing, mounted door is because distortion causes the switch difficulty.Problem for the door easy deformation that solves the timber framework, existing method generally is to have the groove that a lot of two opposite side stagger on the frame of wooden door frame, in groove, projection is being installed, though this doorframe can solve the problem of distortion to a certain extent, but structure is quite complicated, installs also very difficult.Also use the aluminium alloys composite door now, generally make push-pull structure, be installed in indoor work three and be the parlor door, this aluminium alloys composite door comprises the doorframe that periphery is made of aluminium alloy extrusions, be provided with groove on the inner rim of aluminium alloy door's frame section, door face board is installed in the groove.The aluminium alloy door of existing this kind structure, door face board is generally one deck, be generally the glass door panel, also can be at other material of compound one deck on the glass door panel, glass door panel or composite gate panel are set in the groove, seal with fluid sealant, though this door has characteristics such as not yielding, only is fit to make push-pull door, is not suitable for making revolving door, simple fastening type lockset generally can only be installed, be difficult for installing door handle etc.; Also have, because door face board is to be set in the groove of aluminium alloy extrusions by fluid sealant etc., thereby existing aluminium alloys composite door, its door face board should not use materials such as timber, so present aluminium alloys composite door generally uses glass or jade etc. as door face board, the cost height, impact resistance is poor, heat insulation, soundproof effect is poor, crypticity is poor, thereby the scope of application is little, generally is used in indoor

Summary of the invention:

First purpose of the utility model provide a kind of sound construction, not yielding, soundproof effect good, be convenient to realize large-scale industrial production and increase the composite door of door face board Material Selection scope.

Second purpose of the utility model provides a kind ofly can have light transmission, have a concealed composite door again.

A kind of composite door comprises doorframe that aluminium alloy extrusions is combined into, is installed in the door face board on the aluminium alloys doorframe, and door face board comprises two-layer, the front door panel of doorframe front side promptly is installed and is installed in the back door face board of doorframe rear side; Airtight cavity around aluminium alloy door's frame section comprises, be provided with first rib, be provided with second rib in the side direction doorframe front side extension of cavity wall to the extension of doorframe rear side near the doorframe neighboring, form first groove of an opening between first rib and second rib and the cavity wall towards the doorframe outside, the height of first rib and the thickness of front door panel are complementary, and the height of second rib is complementary with the thickness of back door face board; On aluminium alloy door's frame section, also be provided with opening and be used for installing first draw-in groove of front door panel and opening is used for installing the back door face board towards the doorframe rear side second draw-in groove towards the doorframe front side; The position of corresponding aluminium alloys doorframe first draw-in groove is equipped with first shell fragment on front door panel, thereby first shell fragment is installed in first draw-in groove to cooperate with first draw-in groove and to be kept out by first draw-in groove front door panel is installed on the doorframe; The position of corresponding aluminium alloys doorframe second draw-in groove is equipped with second shell fragment on the door face board of back, thereby second shell fragment is installed in second draw-in groove to cooperate with second draw-in groove and to be kept out by second draw-in groove front door panel is installed on the doorframe; The periphery of front door panel is kept out by first rib, and the periphery of back door face board is kept out by second rib.During installation, aluminium alloy door's frame section is combined the formation doorframe, on the position of corresponding doorframe first draw-in groove of front door panel,, again first shell fragment is beated in the first corresponding draw-in groove, front door panel can be installed on the doorframe as required with a plurality of first shell fragments of installation such as screws; On the position of corresponding doorframe second draw-in groove of back door face board,, in the second corresponding draw-in groove of again second shell fragment being beated in, the back door face board can be installed on the doorframe, thereby door is combined as required with a plurality of second shell fragments of installation such as screws.The composite door of this structure, owing to use aluminium alloy door's frame section to make doorframe, sound construction, not yielding, reach more than the 1.2M and/or the height of doorframe reaches composite door more than the 2.2M to the width of doorframe, not yielding yet; Thereby because door face board is by being installed in shell fragment on the door face board, door face board being installed on aluminium alloy door's frame section in the groove of the aluminium alloy door's frame section of again shell fragment being beated in, on the external surface of door face board but screw and so on expose installed part, make good looking appearance, face and door face board Material Selection are unrestricted, can use the timber panel, also can use the mineral-type wood-based plate as doing labeled door, satisfy the different needs of people as some fire proofing materials such as calcium silicate board with microporous, glass magnesium plates; The structure of first groove and cavity is convenient to install lockset miscellaneous; Owing to two-layer door face board is arranged, in the middle of the two-layer door face board certain clearance is arranged, thereby improved sound insulation and heat insulation effect; Between the door face board of both sides, increase one deck packing material, can further improve heat insulation and soundproof effect; Also have, because aluminium alloy extrusions is not yielding, and simple in structure, thereby be convenient to realize large-scale industrial production.The aluminium alloys composite door can be articulated on the building.Doorframe of the present utility model is not limited to aluminium alloy door's frame section, also can use other material.

As improvement, first draw-in groove and second draw-in groove place cavity near one side and front and back symmetry all in the doorframe, are convexly equipped with a pair of first blocking part in two inboards of first draw-in groove, and first blocking part is the projection of arc transition; First shell fragment is identical with second elastic piece structure, first shell fragment comprises first elastic sheet body, bending forms two first shell fragment side arms to the same side by first elastic sheet body, the end of the first shell fragment side arm bends inwards and forms the first shell fragment guide part, on the first shell fragment side arm, be provided with the 3rd groove that cooperates with first blocking part, make simple in structure, first shell fragment beat in first draw-in groove easily and first shell fragment is installed on aluminium alloy door's frame section reliable.

As further improvement, position corresponding in first groove and cavity is equipped with lockset, because first groove and cavity provide enough spaces for lockset is installed, thereby is convenient to install various locksets.

As further improving again, the junction of aluminium alloy door's frame section is 45 ° of corner cuts, also be provided with opening before and after aluminium alloy door's frame section on the both sides towards the front side or second groove of rear side, L type connector is installed in second groove, L type connector is installed on two adjacent aluminium alloy door's frame sections aluminium alloy extrusions is installed together the formation doorframe, make between adjacent two aluminium alloy door's frame sections and install reliably, mounting structure is simple.

As another technical scheme, also comprise the instrument bezel, second shell fragment, the layer glass door face board that are installed in doorframe inner rim position and are combined into by aluminium alloy extrusions; Aluminium alloy door's frame section also is provided with opening towards the 3rd draw-in groove of front side and opening the 4th draw-in groove towards rear side near a side of doorframe inner rim; Aluminium alloys glass frame section comprises that the fitting face, the opening that cooperate with the door face board inner rim are used for installing the 4th groove of glass towards the instrument bezel inboard, spacing the 3rd blocking part on aluminium alloys glass frame section with second shell fragment; Second shell fragment is installed on the instrument bezel section bar by the 3rd blocking part, thereby and be installed in the 3rd draw-in groove to cooperate with the 3rd draw-in groove and to be kept out the instrument bezel section bar be installed on the doorframe by the 3rd draw-in groove; The glass door panel is installed in the 4th groove of instrument bezel inner rim.On composite door, need the position of printing opacity that the glass door panel is installed, make composite door promptly have light transmission, have crypticity again.

As the improvement of this scheme, on the aluminium alloys glass frame section between the interlayer of layer glass door face board, be articulated with blind, when needing, revolve the blind control handle that is installed on the door face board, blind is opened, increase light transmission; When not required, oppositely revolve the blind control handle that is installed on the door face board, blind is shut, make composite door have crypticity fully.

Further improvement as this scheme, the junction of aluminium alloy door's frame section is 45 ° of corner cuts, also be provided with opening before and after aluminium alloy door's frame section on the both sides towards the front side or second groove of rear side, L type connector is installed in second groove, and L type connector is installed on two adjacent aluminium alloy door's frame sections aluminium alloy extrusions is installed together the formation doorframe; The junction of aluminium alloys glass frame section is 45 ° of corner cuts, and aluminium alloys glass frame section is installed on the doorframe by screw, make between aluminium alloy door's frame section and the glass section bar mounting structure simple, install reliable.

As further improving again of this scheme, symmetry before and after the 3rd draw-in groove and the 4th draw-in groove, the 3rd draw-in groove is identical with the structure of first draw-in groove and second draw-in groove with the 4th draw-in groove; Second shell fragment comprise second elastic sheet body, by a side of second elastic sheet body extend and outwards two card arms forming of bending, deviate from the extended second shell fragment side arm of card arm one side by second elastic sheet body, on the second shell fragment side arm, be provided with the 6th groove that cooperates with first blocking part, on the card arm, be provided with the 7th groove that cooperates with the 3rd blocking part; Second shell fragment is stuck in by the card arm and is installed on the 3rd blocking part on the aluminium alloys glass frame section, the second shell fragment side arm is installed in the 3rd draw-in groove or the 4th draw-in groove and by first blocking part and keeps out and be installed on aluminium alloy door's frame section, in the 3rd draw-in groove and the 4th draw-in groove, be symmetrically installed with the instrument bezel section bar, make simple in structure, easy for installation.

As further improving again of this scheme, between glass door panel and the 4th groove, the glass adhesive tape is installed also, make the glass door panel not fragile when mounted.

The beneficial effects of the utility model are sound construction, not yielding, good looking appearance, can select the door face board of unlike material as required, heat insulation, soundproof effect good, the scope of application is wide and can between be articulated on the door doorframe and large-scale industrial production.

The beneficial effect of another technical scheme of the utility model is because instrument bezel has been installed on doorframe, and layer glass has been installed on instrument bezel, and blind has been installed between layer glass, and the light transmission and the crypticity of door can be regulated as required.

Description of drawings

Fig. 1 is the composite door front view that the utility model embodiment 1 removes the part front door panel.

Fig. 2 is the sectional view along the A-A hatching of Fig. 1.

Fig. 3 is the I portion enlarged diagram of Fig. 2.

Fig. 4 is the II portion enlarged diagram of Fig. 2.

Fig. 5 be the utility model embodiment 2 remove the part front door panel the composite door front view.

Fig. 6 is along the sectional view of the B-B hatching of Fig. 5.

Fig. 7 is the III portion enlarged diagram of Fig. 6.

The specific embodiment

Embodiment 1

A kind of as shown in Figure 1 aluminium alloys composite door comprises the rectangle doorframe of the hollow that is made of aluminium alloy door's frame section 1, is installed in front door panel 3 and back door face board 34 on aluminium alloy door's frame section, also installs by door lock 15 on composite door.

Extremely shown in Figure 4 as Fig. 2, airtight cavity 35 around aluminium alloy door's frame section 1 comprises, be provided with first rib 7, be provided with first groove 8 of formation one opening outside doorframe between second rib, 36, the first ribs 7 and second rib 36 and the cavity wall in the side direction doorframe front side extension of cavity wall to the extension of doorframe rear side near the doorframe neighboring; Also be provided with opening towards front side and opening second groove 9 near the position of rib on the both sides, aluminium alloy door's frame section 1 front and back towards rear side; Also being provided with opening at cavity 35 near a side of doorframe inner rims is used for installing first draw-in groove 4 of front door panel 3 and opening to be used for installing second draw-in groove, 37, the first draw-in grooves 4 of back door face board 34 towards the doorframe rear side identical with second draw-in groove, 37 structures and front and back are symmetrical towards the doorframe front side; Being provided with 5, the first blocking parts 5, first blocking part on the position of each side arm correspondence of first draw-in groove, 4 both sides is the projection of arcuation transition.

The junction of aluminium alloy door's frame section 1 is 45 ° of corner cuts, and L type connector 11 is installed in second groove 9, and L type connector 11 is installed on two adjacent aluminium alloy door's frame sections 1 by screw 10.L type connector 11 is installed on two adjacent aluminium alloy door's frame sections 1 institute's aluminium alloy extrusions 11 is installed together the shape doorframe.

The position of corresponding aluminium alloys doorframe first draw-in groove 4 is equipped with a plurality of first shell fragments 6 as required on front door panel 3, and the position of corresponding aluminium alloys doorframe second draw-in groove 37 is equipped with a plurality of second shell fragments 38 as required on the door face board 34 of back.The structure of first shell fragment 6 and second shell fragment 38 is identical, first shell fragment 6 comprises first elastic sheet body 12, bending forms two first shell fragment side arms 13 to the same side by first elastic sheet body 12, the end of the first shell fragment side arm 13 bends inwards and forms first guide part 15, is provided with the 3rd groove 14 that cooperates with first blocking part 5 on the first shell fragment side arm 13.

During installation, earlier the related accessory of lockset 15 is installed to the relevant position of section bar 11, again doorframe 1 is combined by L type connector 11, be fixed on a plurality of first shell fragments 6 on the relevant position of front door panel 3 by screw 2 then, then first shell fragment 6 is beated in again in first draw-in groove 4, two first shell fragment side arms 13 of first shell fragment 6 are installed in first draw-in groove 4 and with first draw-in groove 4 and cooperate, thereby the 3rd groove 14 cooperates with first blocking part 5 and kept out by first blocking part 5 front door panel 3 is installed on the doorframe.Back door face board 34 uses the same method by second disc 38 and is installed on the doorframe.Also can adopt no order to install.

After front door panel 3 was installed on the doorframe, the periphery of front door panel 3 was kept out by first rib 7, the thickness of a little higher than front door panel 3 of the height of first rib 7; After back door face board 34 was installed on the doorframe, the periphery of back door face board 34 was kept out by second rib 36, the thickness of a little higher than back of the height of second rib 36 door face board 34.Front door panel 3, back door face board 34, the doorframe that is made of aluminium alloy door's frame section 1 all around form double-deck hollow door.Door lock 15 is installed in the relevant position of front door panel 3, cavity 35 and first groove 8.

Embodiment 2

Extremely shown in Figure 8 as Fig. 5, as different from Example 1, the aluminium alloys composite door also comprise preceding aluminium alloys glass frame section 17, back aluminium alloys glass frame section 39, front glass door panel 18, back glass door panel 45, second shell fragment 16 and be articulated in front glass door panel 18 with the interlayer of back glass door panel 45 between, blind 29 on the aluminium alloys glass frame section of doorframe inboard, be installed in the blind control handle 30 on the doorframe, the structure of doorframe is also corresponding different.

Side arm along first draw-in groove 4 of aluminium alloy door's frame section 1 and second draw-in groove 37 is provided with the airtight cavity 40 of a periphery to doorframe inner rim one side, also is provided with an opening towards the 3rd draw-in groove 32 of front side and opening the 4th draw-in groove 41 towards rear side at cavity 40 near a side of doorframe inner rims; The structure of the 3rd draw-in groove 32 and the 4th draw-in groove 41 is identical and front and back are symmetrical, and the structure of the 3rd draw-in groove 32 and the 4th draw-in groove 41 and first draw-in groove 4 and second draw-in groove 37 is identical.

Preceding aluminium alloys glass frame section 17, back aluminium alloys glass frame section 39 symmetries are installed in both sides, doorframe front and back, and structure is symmetrical fully.Preceding aluminium alloys glass frame section 17 comprises the cooperation plane 20 that cooperates with front door panel 3 inner rims, opening is used for installing the 4th groove 21 of glass towards the instrument bezel inboard, the plane 42 that cooperates with the sidewall of cavity 40, the plane 43 that the side arm that cooperates with the 3rd draw-in groove and the 4th draw-in groove cooperates, on plane 42, be provided with groove 44, extend internally on the inner groove wall of groove 44 be provided with a pair of with second shell fragment, 16 spacing the 3rd blocking parts 28 on aluminium alloys glass frame section.The junction of aluminium alloys glass frame section is 45 ° of corner cuts, and aluminium alloys glass frame section is installed on the doorframe by screw.

Second shell fragment 16 comprises second elastic sheet body 23, be positioned at inwardly the 3rd auxiliary section 24 of two openings of second elastic sheet body, 23 1 sides, be positioned at two openings of second elastic sheet body, 23 opposite sides, second auxiliary section 25 outwardly, on the 3rd auxiliary section 24, be provided with the 6th groove 26 that cooperates with first blocking part 5, on second auxiliary section 25, be provided with the 7th groove 27 that cooperates with the 3rd blocking part.

Second shell fragment 16 is kept out by the 3rd blocking part 28 by the 7th groove 27 of second auxiliary section 25 and is installed on the aluminium alloys glass frame section 17, be installed in to keep out in the 4th draw-in groove 32 and by first blocking part 5 by the 3rd auxiliary section 24 and be installed on aluminium alloy door's frame section, glass door panel 18 is installed in the 4th groove 21, is provided with glass adhesive tape 23 between face glass 18 and the 4th groove 21.

During installation, earlier the related accessory of lockset 15 is installed to the relevant position of section bar 11, again doorframe 1 is combined by L type connector 11, be fixed on a plurality of first shell fragments 6 on the relevant position of front door panel 3 by screw 2 then, then first shell fragment 6 is beated in again in first draw-in groove 4, two first shell fragment side arms 13 of first shell fragment 6 are installed in first draw-in groove 4 and with first draw-in groove 4 and cooperate, thereby the 3rd groove 14 cooperates with first blocking part 5 and kept out by first blocking part 5 front door panel 3 is installed on the doorframe.Back door face board 34 uses the same method by second disc 38 and is installed on the doorframe.Second shell fragment 16 and blind 29 are installed on the relevant position of instrument bezel section bar, glass adhesive tape 33 and instrument bezel section bar are installed on the glass door panel again, then second shell fragment 16 is beated in corresponding the 3rd draw-in groove 32 or the 4th draw-in groove 41 can be finished installation.

Claims

1, a kind of composite door comprises doorframe that aluminium alloy extrusions is combined into, is installed in the door face board on the aluminium alloys doorframe, and it is characterized in that: described door face board comprises two-layer, the front door panel of doorframe front side promptly is installed and is installed in the back door face board of doorframe rear side; Airtight cavity around described aluminium alloy door frame section comprises, be provided with first rib, be provided with second rib in the side direction doorframe front side extension of cavity wall to the extension of doorframe rear side near the doorframe neighboring, form first groove of an opening between described first rib and second rib and the described cavity wall towards the doorframe outside, the height of described first rib and the thickness of described front door panel are complementary, and the thickness of the height of described second rib and described back door face board is complementary; On described aluminium alloy door frame section, also be provided with opening and be used for installing first draw-in groove of front door panel and opening is used for installing the back door face board towards the doorframe rear side second draw-in groove towards the doorframe front side; The position of corresponding described aluminium alloys doorframe first draw-in groove is equipped with first shell fragment on described front door panel, thereby described first shell fragment is installed in described first draw-in groove to cooperate with described first draw-in groove and to be kept out by described first draw-in groove described front door panel is installed on the doorframe; The position of corresponding described aluminium alloys doorframe second draw-in groove is equipped with second shell fragment on the door face board of described back, thereby described second shell fragment is installed in described second draw-in groove to cooperate with described second draw-in groove and to be kept out by described second draw-in groove described front door panel is installed on the doorframe; The periphery of described front door panel is kept out by described first rib, and the periphery of described back door face board is kept out by described second rib.

2, a kind of composite door as claimed in claim 1, it is characterized in that: described first draw-in groove and described second draw-in groove place one side and the front and back symmetry of described cavity near week in the doorframe, be convexly equipped with a pair of first blocking part in two inboards of described first draw-in groove, described first blocking part is the projection of arc transition; Described first shell fragment is identical with described second elastic piece structure, described first shell fragment comprises first elastic sheet body, bending forms two first shell fragment side arms to the same side by described first elastic sheet body, the end of the described first shell fragment side arm bends inwards and forms the first shell fragment guide part, is provided with the 3rd groove that cooperates with described first blocking part on the described first shell fragment side arm.

3, a kind of composite door as claimed in claim 2 is characterized in that: position corresponding in described first groove and described cavity is equipped with lockset.

4, a kind of composite door as claimed in claim 3, it is characterized in that: the junction of described aluminium alloy door frame section is 45 ° of corner cuts, also be provided with opening before and after the described aluminium alloy door frame section on the both sides towards the front side or second groove of rear side, L type connector is installed in described second groove, and described L type connector is installed on two adjacent described aluminium alloy door frame sections described aluminium alloy extrusions is installed together and forms described doorframe.

5, as the described a kind of composite door of the arbitrary claim of claim 1 to 4, it is characterized in that: also comprise the instrument bezel, second shell fragment, the layer glass door face board that are installed in doorframe inner rim position and are combined into by aluminium alloy extrusions; Described aluminium alloy door frame section also is provided with opening towards the 3rd draw-in groove of front side and opening the 4th draw-in groove towards rear side near a side of doorframe inner rim; Described aluminium alloys glass frame section comprises that the fitting face, the opening that cooperate with described door face board inner rim are used for installing the 4th groove of glass towards the instrument bezel inboard, spacing the 3rd blocking part on described aluminium alloys glass frame section with described second shell fragment; Described second shell fragment is installed on the described instrument bezel section bar by described the 3rd blocking part, thereby and be installed in described the 3rd draw-in groove to cooperate with described the 3rd draw-in groove and to be kept out described instrument bezel section bar be installed on the described doorframe by described the 3rd draw-in groove; Described glass door panel is installed in the 4th groove of described instrument bezel inner rim.

6, a kind of composite door as claimed in claim 5 is characterized in that: be articulated with blind on the aluminium alloys glass frame section between the interlayer of layer glass door face board.

7, a kind of composite door as claimed in claim 6, it is characterized in that: the junction of described aluminium alloy door frame section is 45 ° of corner cuts, also be provided with opening before and after the described aluminium alloy door frame section on the both sides towards the front side or second groove of rear side, L type connector is installed in described second groove, and described L type connector is installed on two adjacent described aluminium alloy door frame sections described aluminium alloy extrusions is installed together and forms described doorframe; The junction of described aluminium alloys glass frame section is 45 ° of corner cuts, and described aluminium alloys glass frame section is installed on the described doorframe by screw.

8, a kind of composite door as claimed in claim 7 is characterized in that; Symmetry before and after described the 3rd draw-in groove and described the 4th draw-in groove, described the 3rd draw-in groove is identical with the structure of described first draw-in groove and described second draw-in groove with described the 4th draw-in groove; Described second shell fragment comprise second elastic sheet body, by a side of second elastic sheet body extend and outwards two card arms forming of bending, deviate from the extended second shell fragment side arm of described card arm one side by second elastic sheet body, on the described second shell fragment side arm, be provided with the 6th groove that cooperates with first blocking part, on the card arm, be provided with the 7th groove that cooperates with the 3rd blocking part; Described second shell fragment is stuck in by described card arm and is installed on the 3rd blocking part on the described aluminium alloys glass frame section, the described second shell fragment side arm is installed in the 3rd draw-in groove or the 4th draw-in groove and by first blocking part and keeps out and be installed on aluminium alloy door's frame section, is symmetrically installed with described instrument bezel section bar in described the 3rd draw-in groove and the 4th draw-in groove.

9, a kind of composite door as claimed in claim 8 is characterized in that: between described glass door panel and described the 4th groove the glass adhesive tape is installed also.