CN206469422U - A kind of roof ventilator - Google Patents
A kind of roof ventilator Download PDFInfo
- Publication number
- CN206469422U CN206469422U CN201720150516.3U CN201720150516U CN206469422U CN 206469422 U CN206469422 U CN 206469422U CN 201720150516 U CN201720150516 U CN 201720150516U CN 206469422 U CN206469422 U CN 206469422U
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- sash
- underframe
- skeleton
- roof ventilator
- flexible
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Abstract
The utility model is related to a kind of roof ventilator, including：Underframe in the opening on roof；Upper bracket, including horizontal skeleton and it is arranged on the support bar between horizontal skeleton and underframe for support level skeleton；The longitudinal rotating shaft that passes on left of first sash and the second sash, the right side of the first sash and the second sash is connected on horizontal skeleton turnablely；Drive mechanism, is arranged on underframe and is connected with the first sash and the second sash；When drive mechanism drives the first sash and the second sash is flipped up simultaneously, the right side of the left side of the first sash and the second sash will be gradually distance from underframe；When drive mechanism drives the first and second sash to downwardly turn over simultaneously, the right side of the left side of the first sash and the second sash will be in sealing contact with underframe, to avoid foreign object from entering within doors by roof ventilator.Roof ventilator of the present utility model can meet the function such as ventilation, daylighting, closed, rain and snow simultaneously, and facilitate removing dust stratification accumulated snow again.
Description
Technical field
The utility model is related to a kind of roofing ventilation equipment, more particularly to one kind can meet ventilation simultaneously, it is daylighting, close
Close, the function such as rain and snow, the again convenient ventilator for removing dust stratification accumulated snow.
Background technology
Current roof ventilator can not meet the function such as ventilation, daylighting, closed, rain and snow simultaneously, and be inconvenient to remove
Dust stratification accumulated snow.Existing roof ventilator is connected as shown in figure 1, being welded and fixed by steel bracket 81 with building roofing girder steel,
Covered with outer casing 82 (profiled sheet or glass fiber reinforced plastic wind deflector) on steel bracket.Water leg 83 is arranged in skylight steel bracket 81
On, play a part of catchmenting, the water in water leg 83 is discharged by the drainage of rain pipe 84, steel flashing plate 85 be provided with roofing,
Prevent the water discharged in rain pipe from entering in building.When having a large amount of dusts and accumulated snow, the fiberglass daylighting of roof ventilator
It will be stood covered in dust and accumulated snow on plate 86, and the general height of roof ventilator is all high at 3-6 meters, therefore it is inconvenient clear in time
Reason.With increasing for dust and accumulated snow, daylighting panel of glass fiber reinforced plastics 86 also loses the function of daylighting simultaneously, can also increase fiberglass and adopt
The load that tabula rasa 86 is undertaken, great hidden danger is caused to building safety.And roof ventilator of the prior art can not be complete
Totally-enclosed, the keeping warm mode of building is influenced whether in cold snap, and the toy such as the mosquitos and flies outside building can also enter
Enter in building, had a strong impact on the safety and health situation in building.In addition, the rain pipe used in the prior art
84, be also easy to be blocked by dust stratification and snow or rainfall it is too anxious, it is too big when, draining can be had little time, cause rainwater can pour in down a chimney into
In building.
Due to above-mentioned problems, how to design a kind of new type roof ventilator, can either easily clear up at any time dust stratification,
Accumulated snow, it is ventilation or closed that can select current state as needed again, the problem of be current urgent need to resolve.
Utility model content
For above-mentioned part or all of problem, the purpose of this utility model there is provided one kind can be while meeting ventilation, adopting
The function such as light, closed, rain and snow, and can conveniently remove the roof ventilator of dust stratification accumulated snow.
The utility model provides a kind of roof ventilator, including：
The underframe in the opening of the roofing can be arranged on；
Upper bracket, including horizontal skeleton and be arranged between the horizontal skeleton and underframe to support the level
The support bar of skeleton；
First sash and the second sash, the right side of first sash and the second sash pass on left a longitudinal rotating shaft
It is connected to turnablely on the horizontal skeleton；
Drive mechanism, is arranged on underframe and is connected with first sash and the second sash；
Wherein, when the drive mechanism drives first sash and the second sash is flipped up simultaneously, the first sash
Left side and the right side of the second sash will be gradually distance from the underframe；When the drive mechanism drives first and second window
Fan is downwardly turned over simultaneously when, the left side of first sash and the right side of the second sash will be in sealing contact with the underframe, with
Foreign object is avoided to enter within doors by the roof ventilator.
Preferably, in addition to the first flexible gauze and the second flexible gauze, two opposite sides of the described first flexible gauze
Be connected respectively with the left side of the first sash and the left side of underframe, and two opposite sides of the second flexible gauze respectively with the second window
The right side of fan is connected with the right side of underframe.
Preferably, the described first flexible gauze and the second flexible gauze are flexible steel silk screen.
Preferably, the underframe and the first sash contact area and/or first sash with it is described under
The contact area of framework is provided with the first flexible sealing component, the underframe and second sash contact area and/or
Second sash with the contact area of the underframe is provided with the second flexible sealing component.
Preferably, first flexible sealing component and the second flexible sealing component are sealing joint strips.
Preferably, the drive mechanism includes the linear telescopic mechanism that is placed in the vertical direction, and first connecting rod and
Second connecting rod, wherein the linear telescopic mechanism is on the underframe, one end and the linear telescopic machine of the first connecting rod
The telescopic end of structure is hinged, and the middle section of its other end and the first sash is hinged, and one end of the second connecting rod
It is hinged with the telescopic end of linear telescopic mechanism, and the middle section of its other end and the second sash is hinged, when the straight line
When telescoping mechanism does stretching motion, the linear telescopic mechanism drives first sash and second by the first and second connecting rods
Sash is flipped up simultaneously, when contractile motion does in linear telescopic mechanism, and the linear telescopic mechanism connects by first and second
Bar drives first sash and the second sash to downwardly turn over simultaneously.
Preferably, the linear telescopic mechanism is pneumatic cylinder, hydraulic cylinder or linear electric motors.
Preferably, the upper bracket also includes the preceding skeleton and back skeleton for being arranged on the front and rear sides of horizontal skeleton, wherein
Front apron is provided with the preceding skeleton, rear baffle, the front apron and first window is provided with skeleton in the rear
The front seal formula contact of the front side of fan and the second sash, the rear side and the second sash of the rear baffle and first sash
The sealed contact of rear side, the front apron and the front side of the described first flexible gauze and the frontside contacts of the second flexible gauze, institute
State rear baffle and the rear side of the described first flexible gauze and the rear contact of the second flexible gauze.
Preferably, the upper bracket also includes the left skeleton and right bone for being separately positioned on the left and right sides of the horizontal skeleton
Frame, wherein in the right baffle-plate of the left skeleton, is located at right shell body on the right skeleton, between the left side baffle plate and roof and
Space is each formed between the left side baffle plate and underframe, between the right-hand apron and roof and the right-hand apron with
Space is each formed between framework.
Preferably, when the left side of first sash and the right side of the second sash in sealing contact with the underframe, institute
State between the first sash and the second sash formed and the angle of wedge angle upward be less than or equal to 80 degree.
Roof ventilator of the present utility model compared with roof ventilator of the prior art, can by drive mechanism come
The first sash and the second sash is driven to spin upside down, when ventilation is needed, drive mechanism drives the first sash and the second window
Fan is flipped up, and is divulged information within doors；When raining or snowing, drive mechanism drives the first and second sash to downwardly turn over, room
Inside it is able to closed, reaches the effect of insulation, therefore, it is possible to meets the functions such as ventilation, daylighting, closed, rain and snow simultaneously.And work as room
Dust stratification or during accumulated snow on the first sash and the second sash of face ventilator, it is only necessary to drive the first sash and the second sash downward
Upset, the trend tilted down then causes dust stratification and accumulated snow just to slide.The structure letter of roof ventilator of the present utility model
It is single reliable, easy to operate, popularization and application convenient to carry out.
Brief description of the drawings
, below will be right in order to illustrate more clearly of the utility model embodiment or technical scheme of the prior art
The accompanying drawing used required in embodiment or description of the prior art is briefly described.In all of the figs, it is similar
Element or part are general by similar reference mark.In accompanying drawing, each element or part might not be according to actual ratios
Draw.
Fig. 1 is the structural representation of roof ventilator of the prior art；
Fig. 2 is the structural representation of the roof ventilator according to the utility model embodiment；
Fig. 3 is the structural representation of the first sash of the roof ventilator according to the utility model embodiment.
Embodiment
The embodiment of technical solutions of the utility model is described in detail below in conjunction with accompanying drawing.Following examples are only
For clearly illustrating the technical solution of the utility model, therefore example is only used as, and this practicality can not be limited with this
New protection domain.
Fig. 2 is the structural representation of the roof ventilator according to the utility model embodiment, as shown in Fig. 2 the roofing is logical
Wind device includes：The underframe 1 in the opening of roofing (roof) can be arranged on；Upper bracket 2, it includes horizontal skeleton 21 and setting
For the support bar 22 of support level skeleton 21 between horizontal skeleton 21 and underframe 1；First sash 31 and the second sash
32, the right side 31b of the first sash and the second sash 32a longitudinal rotating shaft 9 that passes on left are connected to horizontal bone turnablely
On frame 21；Drive mechanism 6, is arranged on underframe 1 and is connected with the first sash 31 and the second sash 32.Wherein, the first window
The structure of fan 31 is as shown in figure 3, the first sash 31 and the second sash 32 are respectively provided with the plane skylight for the glass steel material for being capable of printing opacity.
Longitudinal rotating shaft 9 for connecting the first sash 31 and the second sash 32 can be directly to horizontal skeleton 21, can also
It is connected to by vertically arranged connecting rod on horizontal skeleton 21.
The operation principle of roof ventilator is：When drive mechanism 6 drives the first sash 31 and the second sash 32 simultaneously upward
When overturning S1, the left side 31a of the first sash and the right side 32b of the second sash will be gradually distance from underframe 1；When drive mechanism 6 is driven
When dynamic first sash 31 and the second sash 32 downwardly turn over (i.e. in opposite direction with S1) simultaneously, the left side 31a of the first sash and the
The right side 32b of two sash will be in sealing contact with underframe 1, to avoid foreign object from entering within doors by roof ventilator.
When ventilation is needed, drive mechanism 6 is flipped up the first sash 31 and the second sash 32 so that building
Inside divulged information；When raining or snowing, drive mechanism 6 downwardly turns over the first sash 31 and the second sash 32 so that building
It is able to closed in thing, reaches the effect of rain and snow, therefore the roof ventilator can meet ventilation, daylighting, closed, rain-proof simultaneously
The functions such as snow.And when dust stratification on the plane skylight of roof ventilator or accumulated snow, it is only necessary to drive the first sash 31 and the second sash
32 downwardly turn over, while the impact force of the first and second sash 32 and underframe 1 can play a part of shaking off dust and accumulated snow,
And because the first sash 31 and the second sash 32 are the state that tilts down when being contacted with underframe 1, then dust stratification and accumulated snow is just
It can slide.
In one embodiment, as shown in figure 3, roof ventilator of the present utility model also includes the first flexible He of gauze 41
Second flexible gauze 42, two opposite sides of the first flexible gauze 41 left side 31a respectively with the first sash and a left side for underframe 1
Side is connected, and the right side 32b and the right side phase of underframe 1 of two opposite sides of the second flexible gauze 42 respectively with the second sash
Even.When the first sash 31 and the second sash 32 are separated with underframe 1, i.e., roof ventilator is in the state for opening ventilation, the
One and second flexible gauze 42 be also unfolded, play and avoid foreign object such as mosquitos and flies toy into the purpose in building.It is more excellent
Selection of land, the above-mentioned first flexible flexible gauze 42 of gauze 41 and second is flexible steel silk screen.Because flexible steel silk screen intensity is high, but
Shape can arbitrarily be changed, while the effect of anti-mosquito is functioned well as, and it is sturdy and durable, it is not required to often replacing.
In a preferred embodiment, in the contact area and/or the first sash 31 with the first sash 31 of underframe 1
Be provided with the first flexible sealing component 51 with the contact area of underframe 1, in the contact zone with the second sash 32 of underframe 1
Domain and/or the second sash 32 with the contact area of underframe 1 are provided with the second flexible sealing component 52.When needing closing first
When sash 31 and the second sash 32, the first and second sash 32 and the Contact of underframe 1, the first and second flexible sealing components
(51,52) can play cushioning effect, to avoid causing it damage when closing the first sash 31 and the second sash 32.Separately
Outside, the first and second flexible sealing components (51,52) also act sealed effect, and within doors same is entered preventing sleet
When, also play the effect of wind-proof warming.Meanwhile, with underframe 1 when being downwardly turned over by the first sash 31 and the second sash 32
Between mutual impact force so that dust stratification or accumulated snow on the first and second sash 32 are given a shock and shaken off.First and
It is sealing joint strip that two flexible sealing components (51,52), which are preferably,.Because sealing joint strip cost is relatively low, have again excellent heat-resisting, resistance to
Ageing properties, and with very strong tensile strength and good elasticity.
Preferably, drive mechanism 6 includes the linear telescopic mechanism 61 being placed in the vertical direction, and the He of first connecting rod 62
Second connecting rod 63, wherein linear telescopic mechanism 61 are on underframe 1, one end and the linear telescopic mechanism 61 of first connecting rod 62
Telescopic end is hinged, and the middle section of its other end and the first sash 31 is hinged, and one end of second connecting rod 63 also with directly
The telescopic end of line telescoping mechanism 61 is hinged, and the middle section of its other end and the second sash 32 is hinged, and works as linear telescopic
When stretching motion is done by mechanism 61, linear telescopic mechanism 61 drives the first sash 31 and the by the first and second connecting rods (62,63)
Two sash 32 are flipped up simultaneously, when contractile motion does in linear telescopic mechanism 61, and linear telescopic mechanism 61 passes through first and
Two connecting rods drive the first sash 31 and the second sash 32 to downwardly turn over simultaneously.Operator can remotely be controlled on the ground of building
Stretching motion or contractile motion do in linear telescopic mechanism 61 processed, cause the first sash by first connecting rod 62 and second connecting rod 63
31 and second sash 32 can be with upper and lower upset.When the longitudinal length of roof ventilator is longer, drive mechanism 6 can be along vertical
Multiple to being set to, wherein the distance between each two drive mechanism 6 is 4~8 meters.Preferably, linear telescopic mechanism 61 is gas
Cylinder pressure, hydraulic cylinder or linear electric motors, above three can realize accurate control stroke, to better control over the first sash 31
With the reversal rate and flip angle of the second sash 32, it is ensured that roof ventilator can normally, stably work.
In one embodiment, the upper bracket 2 of roof ventilator of the present utility model also includes being arranged on horizontal skeleton 21
Front and rear sides preceding skeleton and back skeleton (not shown), wherein front apron is provided with preceding skeleton, on back skeleton
Rear baffle is provided with, front apron is contacted with the front side of the first sash 31 and the front seal formula of the second sash 32, rear baffle and
The sealed contact of rear side of the rear side of one sash 31 and the second sash 32, the front side and second of front apron and the first flexible gauze
The rear side of the frontside contacts of flexible gauze, rear baffle and the first flexible gauze and the rear contact of the second flexible gauze.It is arranged on
Front apron and rear baffle on preceding skeleton and back skeleton can keep off dust and keep out the wind and keep off the rain snow, and because front apron and rear baffle with
First sash 31 and the sealed contact of the second sash 32, fall on the first sash 31 and dust and sleet on the second sash 32 also not
It can fall into building.
In addition, upper bracket 2 also includes the left skeleton 23 and right bone for being separately positioned on the left and right sides of horizontal skeleton 21
Frame 24, wherein being provided with right baffle-plate 25 on left skeleton 23, is provided with right shell body 26, right baffle-plate 25 and roof on right skeleton 24
Between be formed with space 71a, space 71b is formed between right baffle-plate 25 and underframe 1, is formed between right shell body 26 and roof
Space 72a, is formed with space 72b between right shell body 26 and underframe 1.Right baffle-plate and right shell body all serve gear dust keep out the wind and
Keep off the rain the effect of snow, while also playing a part of protection to the first sash 31 and the second sash 32, when dust stratification accumulated snow and rainwater
From the first sash 31 and the second sash 32 slide get off after, just can be from right baffle-plate 25 and right shell body 26 and underframe 1
Between space (71b, 72b) fall on roofing, and can be between right baffle-plate 25 and right shell body 26 and roof space (71a,
Drain in 72a) along roof.In addition, being also equipped with steel flashing plate on roofing, it can prevent rainwater from entering building.
Preferably, as the left side 31a of the first sash and the right side 32b of the second sash in sealing contact with underframe 1, first
Formed between the sash 32 of sash 31 and second and the angle α of wedge angle upward is less than or equal to 80 degree.It is such to be provided with beneficial to first
Dust stratification, accumulated snow, rainwater slide on the sash 32 of sash 31 and second get off, and are difficult to accumulate on the first and second sash 32.Separately
Outside, compared to roof ventilator of the prior art, roof ventilator of the present utility model when rainy also will not ponding, therefore
Rain pipe need not be set to carry out draining, it also avoid the rainwater caused by rainwater blockage while material is saved pours in down a chimney into building
Interior the problem of.
In the description of the present application, it is to be understood that term " on ", " under ", "left", "right", "front", "rear", " vertical
To ", the orientation of the instruction such as " vertical " or position relationship be, based on orientation shown in the drawings or position relationship, to be for only for ease of and retouch
State the utility model and simplify and describe, rather than indicate or imply signified device or element must have specific orientation, with
Specific azimuth configuration and operation, therefore it is not intended that to limitation of the present utility model.
In this application, unless otherwise clearly defined and limited, term " installation ", " connected ", " connection ", " fixation " etc.
Term should be interpreted broadly, for example, it may be fixedly connected or be detachably connected, or integrally；Can be that machinery connects
Connect or electrically connect；Can be joined directly together, can also be indirectly connected to by intermediary, can be in two elements
The connection in portion or the interaction relationship of two elements.For the ordinary skill in the art, can be according to specific feelings
Condition understands concrete meaning of the above-mentioned term in the utility model.
Finally it should be noted that：Various embodiments above is only limited to illustrate the technical solution of the utility model, rather than to it
System；Although the utility model is described in detail with reference to foregoing embodiments, one of ordinary skill in the art should
Understand：It can still modify to the technical scheme described in foregoing embodiments, or to which part or whole
Technical characteristic carries out equivalent substitution；And these modifications or replacement, the essence of appropriate technical solution is departed from this practicality newly
The scope of each embodiment technical scheme of type, it all should cover among claim of the present utility model and the scope of specification.
Claims (10)
1. a kind of roof ventilator, it is characterised in that including：
The underframe in the opening of the roofing can be arranged on；
Upper bracket, including horizontal skeleton and be arranged between the horizontal skeleton and underframe to support the horizontal skeleton
Support bar；
First sash and the second sash, the right side of first sash and the second sash pass on left a longitudinal rotating shaft and can turned over
It is connected on the horizontal skeleton with turning；
Drive mechanism, is arranged on underframe and is connected with first sash and the second sash；
Wherein, when the drive mechanism drives first sash and the second sash is flipped up simultaneously, a left side for the first sash
Side and the right side of the second sash will be gradually distance from the underframe；
When the drive mechanism drives first sash and the second sash is downwardly turned over simultaneously, the left side of first sash
Right side with the second sash will be in sealing contact with the underframe, to avoid foreign object from entering within doors by the roof ventilator.
2. roof ventilator according to claim 1, it is characterised in that also including the first flexible gauze and the second flexible yarn
Net, two opposite sides of the described first flexible gauze are connected with the left side of the first sash and the left side of underframe respectively, and second
Two opposite sides of flexible gauze are connected with the right side of the second sash and the right side of underframe respectively.
3. roof ventilator according to claim 2, it is characterised in that the described first flexible gauze and the second flexible gauze
It is flexible steel silk screen.
4. the roof ventilator according to any one of claim 1-3, it is characterised in that in the underframe and first
The contact area of sash and/or first sash with the contact area of the underframe are provided with the first elastic packing structure
Part, in the contact area and/or the contact zone with the underframe of second sash with the second sash of the underframe
Domain is provided with the second flexible sealing component.
5. roof ventilator according to claim 4, it is characterised in that first flexible sealing component and the second elasticity are close
It is sealing joint strip to seal component.
6. the roof ventilator according to any one of claim 1-3, it is characterised in that the drive mechanism is included along perpendicular
Nogata is to the linear telescopic mechanism of setting, and first connecting rod and second connecting rod, wherein the linear telescopic mechanism is located at described
On underframe, one end of the first connecting rod and the telescopic end of linear telescopic mechanism are hinged, and its other end and the first sash
Middle section be hinged, and telescopic end of the one end of the second connecting rod also with linear telescopic mechanism is hinged, and its is another
The middle section with the second sash is held to be hinged, when stretching motion is done by the linear telescopic mechanism, the linear telescopic mechanism
Drive first sash and the second sash to be flipped up simultaneously by the first and second connecting rods, do and shrink when linear telescopic mechanism
During motion, the linear telescopic mechanism drives first sash and the second sash to turn over downwards simultaneously by the first and second connecting rods
Turn.
7. roof ventilator according to claim 6, it is characterised in that the linear telescopic mechanism is pneumatic cylinder, hydraulic pressure
Cylinder or linear electric motors.
8. the roof ventilator according to Claims 2 or 3, it is characterised in that the upper bracket also includes being arranged on horizontal bone
The preceding skeleton and back skeleton of the front and rear sides of frame, wherein being provided with front apron on the preceding skeleton, set on skeleton in the rear
Rear baffle is equipped with, the front apron is contacted with the front side of first sash and the front seal formula of the second sash, the rear gear
Plate and the rear side of first sash and the rear side of the second sash is sealed contacts, the front apron and the described first flexible gauze
Front side and the second flexible gauze frontside contacts, the rear side and the second flexible yarn of the rear baffle and the described first flexible gauze
The rear contact of net.
9. roof ventilator according to claim 8, it is characterised in that the upper bracket also includes being separately positioned on the water
The left skeleton and right skeleton of the left and right sides of flat skeleton, wherein right baffle-plate is provided with the left skeleton, in the right skeleton
On be provided with right shell body, space is each formed between the right baffle-plate and roof between the right baffle-plate and underframe, it is described
Between right shell body and roof space is each formed between the right shell body and underframe.
10. the roof ventilator according to any one of claim 1-3, it is characterised in that when the left side of first sash
With the right side of the second sash and the underframe it is in sealing contact when, formed and wedge angle court between first sash and the second sash
On angle be less than or equal to 80 degree.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720150516.3U CN206469422U (en) | 2017-02-20 | 2017-02-20 | A kind of roof ventilator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720150516.3U CN206469422U (en) | 2017-02-20 | 2017-02-20 | A kind of roof ventilator |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206469422U true CN206469422U (en) | 2017-09-05 |
Family
ID=59707001
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720150516.3U Active CN206469422U (en) | 2017-02-20 | 2017-02-20 | A kind of roof ventilator |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206469422U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112064855A (en) * | 2020-08-27 | 2020-12-11 | 江苏洋洲空调工程有限公司 | Intelligent opening and closing type roof ventilation skylight |
-
2017
- 2017-02-20 CN CN201720150516.3U patent/CN206469422U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112064855A (en) * | 2020-08-27 | 2020-12-11 | 江苏洋洲空调工程有限公司 | Intelligent opening and closing type roof ventilation skylight |
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| GR01 | Patent grant | ||
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| CP01 | Change in the name or title of a patent holder |
Address after: 014010 the Inner Mongolia Autonomous Region Baotou City Queensland Steel Street No. 45 Patentee after: Alex Hua Tian Baotou design and Research Institute Co., Ltd. Address before: 014010 the Inner Mongolia Autonomous Region Baotou City Queensland Steel Street No. 45 Patentee before: MCC Dongfang Holding Co Ltd |
|
| CP01 | Change in the name or title of a patent holder | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 014010 45 Steel Street, Kunqu District, Baotou, the Inner Mongolia Autonomous Region Patentee after: Zhongye Northwest Engineering Technology Co., Ltd. Address before: 014010 45 Steel Street, Kunqu District, Baotou, the Inner Mongolia Autonomous Region Patentee before: Alex Hua Tian Baotou design and Research Institute Co., Ltd. |