CN201421165Y - Streamlined enclosed air volume adjusting valve - Google Patents
Streamlined enclosed air volume adjusting valve Download PDFInfo
- Publication number
- CN201421165Y CN201421165Y CN200920108078XU CN200920108078U CN201421165Y CN 201421165 Y CN201421165 Y CN 201421165Y CN 200920108078X U CN200920108078X U CN 200920108078XU CN 200920108078 U CN200920108078 U CN 200920108078U CN 201421165 Y CN201421165 Y CN 201421165Y
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- blade
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- stile
- hole
- horizontal frame
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Abstract
The utility model discloses a streamlined enclosed air volume adjusting valve used for the pipelines of air-conditioners, ventilating systems and the like. The adjusting valve mainly comprises a frame, a plurality of blades mounted in the frame and two groups of connecting rod members connected at two ends of the blades and used for driving the blades; the two groups of connecting rod members arearranged on two sides of the frame respectively; the cross section of the blades is streamlined; a tooth socket is formed on one side of each blade; a tooth tip is formed on the other side of each blade; and a square run-through shaft hole is formed at the middle part of each blade along the length direction of the blade. Due to the streamlined enclosed air volume adjusting valve of the utility model, the effects of accuracy control of air volume and low air leakage rate can be realized.
Description
Technical field
The utility model relates to a kind of volume damper, more particularly, is meant a kind of pipelines such as air-conditioning, ventilating system that are used for, and is used for regulating the streamlined airtight volume damper of arm air quantity.
Background technology
At present, in general air-conditioning, air system plumbing, the size that is used to regulate the ventilation of main, arm is to be realized by volume damper, existing volume damper generally adopts the handle type control valve, this handle type control valve is because regulating handle is oversize, and the space that revolution needs during conciliation is very big, is not suitable for being used for that the place is narrow, the space of compactness and conduit arrangements comparatively dense, and long handle influences the attractive in appearance of product, and complicated structure causes cost to increase; Simultaneously, there is the incoherent problem of action in existing volume damper in the process that blade opens and closes, and the angle that makes blade open does not reach accurate requirement; In addition, therefore the shortcoming that seal was poor, air leak rate of air curtain is high when traditional volume damper also existed blade to close is necessary the shortcoming that exists in the prior art is improved.
The utility model content
In view of this, main purpose of the present utility model is to provide a kind of and has accurate blade opening angle, the result is simple, easy and simple to handle and can reduce the streamlined airtight volume damper of air leak rate of air curtain.
For achieving the above object, the technical solution of the utility model is achieved in that
The streamlined airtight volume damper that the utility model provides, it mainly comprises:
Framework;
A most blade, this majority blade is installed in the described framework; And
Be used for driven vane and be connected in two groups of the blade two ends connecting rod members, these two groups connect rod members and are arranged at the framework both sides respectively;
The cross section of described blade is streamline-shaped, one side at the teeth groove that is formed with of blade, be formed with crown at the another side of blade, the blade middle part is formed with the square axis hole of perforation along the length of blade direction.
Described framework comprises horizontal frame and two stiles that cross section is " protruding " font that two cross sections are the groove shape, the inside of " protruding " font stile is accommodation space, the centre of stile is provided with the through hole of most the circles that are evenly distributed along its length, and horizontal frame and described stile are fastened together by screw.
The outside middle mark of mouth groove that is provided with of described horizontal frame bottom surface, the stile inner surface convexes with most circular arcs to fastening mutually in twos along its length, leaves between this two circular arc for screw and wears fixing space.
Described every group connects rod member and includes the square shaft sub-assembly that equates with lobe numbers, most individual brace, long draw and banking stop, connecting rod member is arranged in the accommodation space of stile, every prescription shaft assembly comprises swing arm, square shaft and bearing pin, the outer peripheral edges of this bearing pin are provided with two grooves, are provided with split washer in each groove.
The square hole that described swing arm is provided with that the supply and marketing axle wears and wears in order to circular hole and supplier's axle of fastening bearing pin, blade pass are crossed the square hole of the through hole of axis hole that square shaft wears blade, stile and swing arm and are installed between two stiles; The two ends of described brace respectively are provided with a circular hole, a circle hole sleeve of brace is located at the end of bearing pin near swing arm, another circle hole sleeve of brace is located at the end of another bearing pin adjacent with above-mentioned bearing pin near swing arm corresponding with it, and one group square shaft sub-assembly connects by a brace in twos; Be evenly distributed with most circular holes on the described long draw, the circle hole sleeve of long draw is located between the split washer of bearing pin of space, and the square shaft sub-assembly of space connects by long draw; Described banking stop one end is provided with the square hole that supplier's axle wears, and banking stop is arranged between one of them swing arm and the stile.
Described framework also includes the outer stile of two connecting rods, and the outer stile of these two connecting rods is fastened respectively in two stile outsides.
Described streamlined airtight volume damper also includes horizontal frame grafting bar and rubber weather strip, horizontal frame grafting bar one end is provided with two briar tooths, the other end is provided with the mark of mouth groove, rubber weather strip one end is the circular arc block body, the other end forms block end, two briar tooths of horizontal frame grafting bar are fixed in the mark of mouth groove of horizontal frame, and the block end of rubber weather strip is fastened in the mark of mouth groove of horizontal frame grafting bar.
The block end of described rubber weather strip can directly be fastened in the mark of mouth groove of horizontal frame.
Described streamlined airtight volume damper also includes the profile of tooth axle sleeve that is arranged between blade and the stile, profile of tooth axle sleeve one end is circular pedestal, the other end is for upwardly extending and center is provided with the cylinder of the square hole that supplier's axle wears by pedestal, and the cylinder of profile of tooth axle sleeve is located in the through hole of stile.
Described framework is made by the aluminium alloy of good corrosion resistance with most blades, connects rod member and is made by the 45# galvanizing steel of good corrosion resistance.
Streamlined airtight volume damper of the present utility model, the blade of aluminium alloy extrusions adopts Principles of Gear Connection, realize that easily blade rotation is flexible, the effect of engagement place good airproof performance, therefore streamlined airtight volume damper of the present utility model be applied in air-conditioning, air system plumbing and new wind and return air mix adjusting place the time, can realize extremely low air leak rate of air curtain, and the air quantity size can be accurately controlled in the folding according to blade, and the frame structure of aluminum alloy in the utility model makes volume damper good looking appearance, in light weight and corrosion-resistant.
Description of drawings
Fig. 1 is the schematic perspective view of the streamlined airtight volume damper of the utility model;
Fig. 2 is the front view of the blade in the utility model;
Fig. 3 is the left view of the blade in the utility model;
Fig. 4 is the front view of the horizontal frame in the utility model;
Fig. 5 is the left view of the horizontal frame in the utility model;
Fig. 6 is the front view of the stile in the utility model;
Fig. 7 is the left view of the stile in the utility model;
Fig. 8 is the front view of the outer stile of connecting rod in the utility model;
Fig. 9 is the left view of the outer stile of connecting rod in the utility model;
Figure 10 is the front view of the horizontal frame grafting bar in the utility model;
Figure 11 is the left view of the horizontal frame grafting bar in the utility model;
Figure 12 is the front view of the rubber weather strip in the utility model;
Figure 13 is the left view of the rubber weather strip in the utility model;
Figure 14 is the horizontal frame in the utility model and the assembling schematic perspective view of stile;
Figure 15 is the part-structure schematic perspective view of the streamlined airtight volume damper of the utility model;
Figure 16 is the schematic perspective view of the square shaft sub-assembly in the utility model;
Figure 17 is the schematic perspective view that the square shaft sub-assembly in the utility model decomposes;
Figure 18 is the schematic perspective view of the split washer in the utility model;
Figure 19 is the square shaft sub-assembly in the utility model and the combination schematic diagram of brace and long draw;
Figure 20 is the schematic diagram of bearing pin in the utility model and split washer combination;
Figure 21 is the schematic perspective view of the brace in the utility model;
Figure 22 is the schematic perspective view of the long draw in the utility model;
Figure 23 is the schematic perspective view of the banking stop in the utility model;
Figure 24 is the part-structure schematic perspective view of the streamlined airtight volume damper of the utility model, and brace, long draw and banking stop are not installed among the figure;
Figure 25 is the schematic diagram under the blade complete opening state of the present utility model;
Figure 26 is the schematic diagram under the complete closure state of blade of the present utility model;
Figure 27 is the assembling schematic diagram of the horizontal frame in the utility model, horizontal frame grafting bar and rubber weather strip;
Figure 28 is the schematic perspective view of profile of tooth axle sleeve in the utility model and blade combination;
Figure 29 is the assembled state schematic diagram of swing arm, bearing pin, profile of tooth axle sleeve, blade and square shaft in the utility model;
Figure 30 is the assembled state schematic diagram of swing arm, bearing pin, profile of tooth axle sleeve, square shaft and most blades in the utility model.
The specific embodiment
The effect that following conjunction with figs. and specific embodiment describe structure of the present utility model in detail and reach.
As shown in Figure 1, streamlined airtight volume damper of the present utility model includes framework 1, be installed in most blades 2 in the framework 1 and be arranged at two groups of framework 1 both sides connects rod members 3, and these two groups connect the two ends that rod member 3 is used for driven vane 2 and is connected in blade 2.
As Fig. 2 and shown in Figure 3, it is respectively the front view and the left view of the blade 2 in the utility model, blade 2 can be aluminium alloy and makes in the utility model, the cross section of blade 2 is streamline-shaped, one side of blade 2 is formed with teeth groove 20, be formed with crown 21 at another side, blade 2 middle parts are formed with the square axis hole 22 of perforation along its length.
As shown in figure 15, in the utility model every group connects rod member 3 and includes the square shaft sub-assembly that equates with blade 2 numbers, most braces 33, a long draw 34 and a banking stop 35, and connection rod member 3 is arranged in the accommodation space 110 of stile 11.As Figure 16 and shown in Figure 17, every prescription shaft assembly includes square shaft 30, swing arm 31 and bearing pin 32, swing arm 31 is provided with the square hole 310 that supplier's axle 30 wears, square shaft 30 is installed in blade 2 between two stiles 11 (as shown in figure 24) by axis hole 22 and through hole 112 on the blade 2 two ends stiles 11 that wears blade 2 and the square hole 310 that is positioned at the swing arm 31 in two stile 11 outsides; Be provided with also on the swing arm 31 that supply and marketing axle 32 wears and in order to the circular hole 311 of fastening bearing pin 32, this bearing pin 32 is cylindrical, its base diameter is slightly larger than the diameter of circular hole 311, bearing pin 32 and swing arm 31 are tightened together, outer peripheral edges around this bearing pin 32 are provided with two grooves 320, be provided with split washer 321 (as shown in figure 20) in each groove 320, Figure 18 is the schematic perspective view of the split washer 321 in the utility model, its middle part is provided with through hole 3210, is provided with the opening 3211 that communicates with through hole 3210 in split washer 321 outer peripheral edges.As shown in figure 21, brace 33 in the utility model is a strip, its two ends respectively are provided with a circular hole 330, one of them circular hole 330 is set in the end of described bearing pin 32 near swing arm 31, the split washer 321 of close swing arm 31 on the bearing pin 32 is kept out brace 33 between this split washer 321 and swing arm 31 (as shown in figure 19), another circular hole 330 is set in the end of another bearing pin 32 adjacent with above-mentioned bearing pin 32 near swing arms 31 corresponding with it, make on another bearing pin 32 near and the split washer 321 of its corresponding swing arm 31 brace 33 is kept out between this split washer 321 and the corresponding swing arm 31, promptly in twos one group square shaft sub-assembly by 33 connections of a brace; As shown in figure 22, long draw 34 of the present utility model also is a strip, be evenly distributed with most circular holes 340 on it, this circular hole 340 is set between two split washers 321 of bearing pin 32 of space (as shown in figure 19), thus, borrow the split washer 321 that is fastened in the groove 320, brace 33 and long draw 34 firmly are connected with bearing pin 32 respectively, promptly the square shaft sub-assembly of space couples together by long draw 34; As shown in figure 23, banking stop 35 of the present utility model is a strip, one end is formed with the square hole 350 that supplier's axle 30 wears, the other end is extended with two hypotenuses 351 by dual-side is oblique, rectangular between two hypotenuses 351, this banking stop 35 wears by square shaft 30 and is interposed between one of them swing arm 31 and the stile 11 (as shown in figure 15), and the banking stop 35 in the utility model is interposed between swing arm 31 topmost and the stile 11; The schematic diagram of each several part complete combination as shown in figure 15 in the connection rod member 3.As Figure 25 and (stile 11 not shown in the figures) shown in Figure 26, when blade 2 complete openings, rotation by square shaft 30 drives banking stop 35 rotations, a hypotenuse 351 of banking stop 35 is resisted against on the inwall of a side of stile 11 protuberances 111, when blade 2 is closed fully, then another hypotenuse 351 of banking stop 35 is resisted against on the inwall of another side of stile 11 protuberances 111, in the process of blade 2 unlatchings and closure, banking stop 35 turns over 90 ° angle, therefore, the angle limits that blade 2 turns over when opening with closure is in 90 °, the user can control the size of air quantity by the adjustment of angle, and can make blade 2 be in stable status at complete opening with when fully closed by banking stop 35; Close in the closed procedure at blade 2, by the drive of brace 33 with long draw 33, adjacent two swing arms 31 pairing two blades 2 that connected by brace 33 produce relative rotation, when blade 2 is closed fully, adjacent two blades 2 mesh together as gear, the crown 21 of one of them blade 2 is engaged in the teeth groove 20 of another blade 2, makes that engages and seals is good when blade 2 is closed fully, realizes the air leak rate of air curtain of minimum when blade 2 is closed.Connection rod member 3 in the utility model adopts the 45# galvanizing steel, has very strong corrosion resistance.
Streamlined airtight volume damper of the present utility model also includes horizontal frame grafting bar 4 and rubber weather strip 5, Figure 10 is to the front view of horizontal frame grafting bar 4 and the front view and the left view of left view and rubber weather strip 5 of being divided into shown in Figure 13, horizontal frame grafting bar 4 can be aluminium alloy and makes, one end of this horizontal frame grafting bar 4 is provided with two briar tooths 40, the other end is provided with mark of mouth groove 41, rubber weather strip 5 one ends are circular arc block body 50, the other end forms block end 51, two briar tooths 40 of this horizontal frame grafting bar 4 are fixed in the mark of mouth groove 100 of horizontal frame 10, the block end 51 of this rubber weather strip 5 is fastened in the mark of mouth groove 41 of horizontal frame grafting bar 4, and Figure 27 is the horizontal frame 10 in the utility model, the assembling schematic diagram of horizontal frame grafting bar 4 and rubber weather strip 5.The block end 51 of the rubber weather strip 5 in the utility model also can directly be fastened in the mark of mouth groove 100 of horizontal frame 10.Whereby, when blade 2 is closed fully, be in topmost with bottom blade 2 all with the horizontal frame 10 in two ends up and down on rubber weather strip 5 lean, rubber weather strip 5 in the utility model adopts extraordinary high temperature elastic caoutchouc to make, closely contact between rubber weather strip 5 and the blade 2, therefore can reduce air leak rate of air curtain, improve the seal of volume damper.
Streamlined airtight volume damper of the present utility model also includes the profile of tooth axle sleeve 6 that is arranged between blade 2 and the stile 11, Figure 28 is the schematic perspective view of profile of tooth axle sleeve 6 and blade 2 combinations in the utility model, these profile of tooth axle sleeve 6 one ends are circular pedestal 60, the other end is by pedestal 60 upwardly extending cylinders 61, and cylinder 61 diameters are less than pedestal 60 diameters, cylinder 61 centers are provided with the square hole that runs through 610 that supplier's axle 30 wears, wear the square hole 310 of swing arm 31 successively by square shaft 30, the through hole 112 of stile 11, the square hole 610 of profile of tooth axle sleeve 6 and the axis hole 22 of blade 2, profile of tooth axle sleeve 6 is located between stile 11 and the blade 2 (as shown in figure 15), Figure 29 and 30 shows swing arm 31, profile of tooth axle sleeve 6, the assembled state schematic diagram of blade 2 and square shaft 30 (stile 11 not shown in the figures), the cylinder 61 of profile of tooth axle sleeve 6 is located in the through hole 112 of stile 11, so that in the process of blade 2 open and close, square shaft 30 drives the harmonious rotation in the through hole 112 of stile 11 of profile of tooth axle sleeve 6, simultaneously, owing between blade 2 and stile 11, be provided with the round base 60 of profile of tooth axle sleeve 6, therefore, the profile of tooth axle sleeve 6 in the utility model can improve the seal of the blade about 2 of volume damper.
Streamlined airtight volume damper of the present utility model has the following advantages:
1. framework in the utility model 1 and blade 2 and horizontal frame grafting bar 4 all adopt aluminium alloy extrusions, good looking appearance, in light weight, good corrosion resistance;
2. the connection rod member in the utility model 3 adopts 45# galvanizing steel, good corrosion resistance;
3. the rubber weather strip in the utility model 5 adopts extraordinary high temperature elastic caoutchouc to make, and good leak tightness has low leakage rate.
The above is preferred embodiment of the present utility model only, is not to be used to limit protection domain of the present utility model.
Claims (10)
1, a kind of streamlined airtight volume damper is characterized in that it mainly comprises:
Framework;
A most blade, this majority blade is installed in the described framework; And
Be used to drive described blade and be connected in two groups of described blade two ends connect rod members, these two groups connect rod members and are arranged at described framework both sides respectively;
The cross section of described blade is streamline-shaped, one side at the teeth groove that is formed with of described blade, be formed with crown at the another side of described blade, described blade middle part is formed with the square axis hole of perforation along described length of blade direction.
2, streamlined airtight volume damper as claimed in claim 1, it is characterized in that, described framework comprises horizontal frame and two stiles that cross section is " protruding " font that two cross sections are the groove shape, the inside of described " protruding " font stile forms accommodation space, the centre of described stile is provided with the through hole of most the circles that are evenly distributed along its length, and described horizontal frame and described stile are fastened together by screw.
3, streamlined airtight volume damper as claimed in claim 2, it is characterized in that, the outside middle mark of mouth groove that is provided with of described horizontal frame bottom surface, described stile inner surface convexes with most circular arcs to fastening mutually in twos along its length, leaves between described two circular arcs for described screw and wears fixing space.
4, streamlined airtight volume damper as claimed in claim 2, it is characterized in that, described every group connects rod member and includes the square shaft sub-assembly that equates with described lobe numbers, most individual brace, long draw and banking stop, described connection rod member is arranged in the accommodation space of described stile, every group of described square shaft sub-assembly includes swing arm, square shaft and bearing pin, the outer peripheral edges of this bearing pin are provided with two grooves, are provided with split washer in described each groove.
5, streamlined airtight volume damper as claimed in claim 4, it is characterized in that, described swing arm is provided with for described bearing pin and wears and in order to the circular hole of fastening described bearing pin and the square hole that wears for described square shaft, and described blade pass is crossed the square hole of the through hole of the axis hole that described square shaft wears described blade, described stile and described swing arm and is installed between described two stiles; The two ends of described brace respectively are provided with a circular hole, a circle hole sleeve of described brace is located at the end of described bearing pin near described swing arm, another circle hole sleeve of described brace is located at the end of another described bearing pin adjacent with above-mentioned bearing pin near corresponding described swing arm with it, and one group described square shaft sub-assembly connects by a described brace in twos; Be evenly distributed with most circular holes on the described long draw, the circle hole sleeve of described long draw is located between the split washer of described bearing pin of space, and the described square shaft sub-assembly of space connects by described long draw; Described banking stop one end is provided with the square hole that wears for described square shaft, and described banking stop is arranged between described one of them swing arm and the described stile.
6, streamlined airtight volume damper as claimed in claim 2 is characterized in that, described framework also includes the outer stile of two connecting rods, and the outer stile of these two connecting rods is fastened respectively in described two stiles outside.
7, streamlined airtight volume damper as claimed in claim 3, it is characterized in that, described streamlined airtight volume damper also includes horizontal frame grafting bar and rubber weather strip, described horizontal frame grafting bar one end is provided with two briar tooths, the other end is provided with the mark of mouth groove, described rubber weather strip one end is the circular arc block body, the other end forms block end, two briar tooths of described horizontal frame grafting bar are fixed in the mark of mouth groove of described horizontal frame, and the block end of described rubber weather strip is fastened in the mark of mouth groove of described horizontal frame grafting bar.
8, streamlined airtight volume damper as claimed in claim 7 is characterized in that, the block end of described rubber weather strip directly is fastened in the mark of mouth groove of described horizontal frame.
9, streamlined airtight volume damper as claimed in claim 4, it is characterized in that, described streamlined airtight volume damper also includes the profile of tooth axle sleeve that is arranged between described blade and the described stile, described profile of tooth axle sleeve one end is circular pedestal, the other end is for upwardly extending and center is provided with the cylinder of the square hole that wears for described square shaft by described pedestal, and the cylinder of described profile of tooth axle sleeve is located in the through hole of described stile.
10, streamlined airtight volume damper as claimed in claim 1 is characterized in that, described framework is made by the aluminium alloy of good corrosion resistance with most blades, and described connection rod member is made by the 45# galvanizing steel of good corrosion resistance.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200920108078XU CN201421165Y (en) | 2009-05-25 | 2009-05-25 | Streamlined enclosed air volume adjusting valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200920108078XU CN201421165Y (en) | 2009-05-25 | 2009-05-25 | Streamlined enclosed air volume adjusting valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201421165Y true CN201421165Y (en) | 2010-03-10 |
Family
ID=41807825
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN200920108078XU Expired - Lifetime CN201421165Y (en) | 2009-05-25 | 2009-05-25 | Streamlined enclosed air volume adjusting valve |
Country Status (1)
| Country | Link |
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| CN (1) | CN201421165Y (en) |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102661413A (en) * | 2012-06-06 | 2012-09-12 | 上海华东电脑系统工程有限公司 | Dynamic airflow regulating air valve with hoisting structure |
| CN103994564A (en) * | 2014-05-23 | 2014-08-20 | 大连兆和科技发展有限公司 | Shuttle-shaped blade device for automobile coating plant |
| CN104006199A (en) * | 2014-05-23 | 2014-08-27 | 大连兆和科技发展有限公司 | Air volume regulating valve for automobile coating plant |
| CN105423521A (en) * | 2015-12-31 | 2016-03-23 | 广东美的制冷设备有限公司 | Cabinet air conditioner and air conditioner |
| CN109708289A (en) * | 2018-12-29 | 2019-05-03 | 深圳星蓝德工程顾问有限公司 | Duct exhaust air adjustment structure |
| CN111532946A (en) * | 2020-05-06 | 2020-08-14 | 广东铃木电梯有限公司 | Elevator air supply system and method |
| CN111888887A (en) * | 2020-08-14 | 2020-11-06 | 安徽康居人健康科技有限公司 | Flow control structure of nitrogen-oxygen separation device |
-
2009
- 2009-05-25 CN CN200920108078XU patent/CN201421165Y/en not_active Expired - Lifetime
Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102661413A (en) * | 2012-06-06 | 2012-09-12 | 上海华东电脑系统工程有限公司 | Dynamic airflow regulating air valve with hoisting structure |
| CN102661413B (en) * | 2012-06-06 | 2013-12-04 | 上海华东电脑系统工程有限公司 | Dynamic airflow regulating air valve with hoisting structure |
| CN103994564A (en) * | 2014-05-23 | 2014-08-20 | 大连兆和科技发展有限公司 | Shuttle-shaped blade device for automobile coating plant |
| CN104006199A (en) * | 2014-05-23 | 2014-08-27 | 大连兆和科技发展有限公司 | Air volume regulating valve for automobile coating plant |
| CN104006199B (en) * | 2014-05-23 | 2016-08-24 | 大连兆和科技发展有限公司 | Painting dressing automobiles Factory Building volume damper |
| CN105423521A (en) * | 2015-12-31 | 2016-03-23 | 广东美的制冷设备有限公司 | Cabinet air conditioner and air conditioner |
| CN105423521B (en) * | 2015-12-31 | 2018-12-25 | 广东美的制冷设备有限公司 | Cabinet air-conditioner and air conditioner |
| CN109708289A (en) * | 2018-12-29 | 2019-05-03 | 深圳星蓝德工程顾问有限公司 | Duct exhaust air adjustment structure |
| CN111532946A (en) * | 2020-05-06 | 2020-08-14 | 广东铃木电梯有限公司 | Elevator air supply system and method |
| CN111532946B (en) * | 2020-05-06 | 2021-10-22 | 广东铃木电梯有限公司 | Elevator air supply system and method |
| CN111888887A (en) * | 2020-08-14 | 2020-11-06 | 安徽康居人健康科技有限公司 | Flow control structure of nitrogen-oxygen separation device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| EE01 | Entry into force of recordation of patent licensing contract |
Assignee: Kangfuchuangxin Air Conditioner Science & Technology Co., Ltd., Beijing Assignor: Beijing Comfort Environmental Control Co., Ltd. Contract record no.: 2010990000974 Denomination of utility model: Streamlined enclosed air volume adjusting valve Granted publication date: 20100310 License type: Exclusive License Record date: 20101213 |
|
| C56 | Change in the name or address of the patentee |
Owner name: BEIJING COMFORT TECHNOLOGIES CO., LTD. Free format text: FORMER NAME: BEIJING COMFORT ENVIRONMENTAL CONTROL CO., LTD. |
|
| CP01 | Change in the name or title of a patent holder |
Address after: 100083 Beijing city Haidian District Wangzhuang Road No. 1, Tsinghua Tongfang Technology Plaza, B block 1003 Patentee after: Beijing Comfort Technologies Co., Ltd. Address before: 100083 Beijing city Haidian District Wangzhuang Road No. 1, Tsinghua Tongfang Technology Plaza, B block 1003 Patentee before: Beijing Comfort Environmental Control Co., Ltd. |
|
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of utility model: Streamlined enclosed air volume adjusting valve Effective date of registration: 20160712 Granted publication date: 20100310 Pledgee: Huaxia Bank Limited by Share Ltd Zhongguancun Beijing branch Pledgor: Beijing Comfort Technologies Co., Ltd. Registration number: 2016990000594 |
|
| PLDC | Enforcement, change and cancellation of contracts on pledge of patent right or utility model | ||
| PC01 | Cancellation of the registration of the contract for pledge of patent right | ||
| PC01 | Cancellation of the registration of the contract for pledge of patent right |
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