Airtight type exhaust rainproof shutter

Abstract

The utility model relates to an airtight type exhaust rainproof shutter which comprises an outer frame of a shutter, a plurality of horizontally and obliquely arranged rainproof blades are arranged in the outer frame, a protective net is fixedly connected to the inner side of the outer frame, a plurality of rain baffles are arranged on the outer side of the outer frame, each rainproof blade comprises a middle rhombic shaft sleeve, and an upper blade and a lower blade are formed at the upper end and the lower end of each shaft sleeve respectively. The upper end of the upper blade is bent to form an arc-shaped upper connecting piece, the lower end of the lower blade is bent to form an arc-shaped lower connecting piece, the bending direction of the upper connecting piece is opposite to the bending direction of the lower connecting piece, and the upper connecting pieces and the lower connecting pieces on the upper rainproof blade and the lower rainproof blade which are adjacent vertically are distributed in a staggered mode and abut against D-shaped first sealing strips respectively. The hollow sealing strips are arranged at the upper ends and the lower ends of the blades of the shutter, so that multiple seals are formed among the blades, an airtight cavity can be formed in a surrounding mode, the shutter has the efficient sealing and heat insulation effects, indoor and outdoor heat exchange is effectively stopped while rain is effectively prevented, and the shutter has the good heat preservation effect.

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of louver, more particularly to air-tight type exhaust rain louver. BACKGROUND

[0002] Louver is a kind of window using several strip materials parallel arrangement, the angle of rotating louver is used to control light. The current electric rainproof thermal louver uses traditional single-layer regulating blade, electric actuator is embedded between louvers, lower baffle and frame are connected in a split body, the mechanical seal structure between regulating blades, the sealing effect between regulating blades needs to be enhanced, and then it is proposed to set rubber sealing pad on regulating blade, based on clamping rubber sealing pad between regulating blades, improve sealing performance, although rubber sealing pad can seal performance, but the heat insulation effect is poor, and the sealing strip of hollow structure not only has good sealing effect, but also has good heat insulation performance, so based on the sealing strip of hollow structure can a louver with efficient heat preservation sealing be designed. SUMMARY

[0003] The utility model discloses a louver with efficient heat preservation sealing is provided to solve the technical problem of the prior art.

[0004] Air-tight type exhaust rain louver, including the outer frame of louver, the outer frame is formed by the horizontal frame of upper and lower ends and the vertical frame of left and right sides, a plurality of rainproof blades are arranged in the outer frame, the inner side of the outer frame is fixedly connected with a protective net, and the outer side of the outer frame is provided with a plurality of rainproof plates which are arranged obliquely and vertically, the rainproof blades are evenly distributed between the rainproof plates and the protective net in a linear vertical manner, the rainproof blades include a diamond-shaped shaft sleeve in the middle, the upper end of the shaft sleeve is formed with an upper blade, the lower end of the shaft sleeve is formed with a lower blade, the upper end of the upper blade is bent to form an arc-shaped upper connecting piece, the lower end of the lower blade is bent to form an arc-shaped lower connecting piece, the bending direction of the upper connecting piece is opposite to the bending direction of the lower connecting piece, the upper connecting pieces and the lower connecting pieces on the upper and lower adjacent rainproof blades are arranged in a staggered manner and are pressed against a D-shaped first sealing strip respectively, a T-shaped clamping strip is formed on the first sealing strip, a clamping groove is formed on the upper end of the upper blade and the lower end of the lower blade, and the clamping strip of the first sealing strip is clamped in the clamping groove of the rainproof blade.

[0005] The horizontal frame of the upper and lower ends of the outer frame is fixedly connected with an L-shaped support plate, and the support plate is fixedly connected with a second sealing strip, the upper connecting piece of the rainproof blade at the top of the outer frame is pressed against the second sealing strip at the upper end of the outer frame, and the lower connecting piece of the rainproof blade at the bottom of the outer frame is pressed against the second sealing strip at the lower end of the outer frame.

[0006] Preferably, in the upper and lower adjacent rainproof blades, the upper connecting piece of the lower rainproof blade is located on the upper side of the lower connecting piece of the upper rainproof blade.

[0007] Preferably, a cavity is formed in each of the upper and lower blades of the rainproof blade.

[0008] Preferably, a center hole is formed in each of the first and second sealing strips.

[0009] Preferably, the rain shield comprises an obliquely arranged main shield, the upper side of the main shield is bent to form a hook-shaped upper bent plate, the lower end is bent to form a V-shaped lower bent plate, and a vertical face plate is formed on the lower bent plate.

[0010] A vertical branch plate is formed between the main shield and the lower bent plate, and the branch plate is located on the lower side of the main shield.

[0011] Preferably, the rain shield is linearly and vertically uniformly distributed in the outer frame, and a plurality of drainage holes are formed in the bottom of the upper and lower bent plates of the rain shield.

[0012] The beneficial effects of the present application are as follows:

[0013] The upper and lower ends of the blades of the present application have hollow sealing strips, which can form multiple seals between the blades and can be surrounded to form an airtight chamber, have high sealing and heat insulation effects, effectively prevent rain, effectively block the heat exchange between the indoor and outdoor, and have good heat preservation effect. BRIEF DESCRIPTION OF DRAWINGS

[0014] Figure 1 is a structural schematic view of the present application;

[0015] Figure 2 is Figure 1 is a local enlarged schematic view of position A;

[0016] Figure 3 is Figure 1 is a local enlarged schematic view of position B.

[0017] In the drawings: 1, horizontal frame; 2, vertical frame; 3, rainproof blade; 4, second sealing strip; 5, rain shield; 6, protective net; 7, first sealing strip; 8, support plate. DETAILED DESCRIPTION

[0018] Embodiment: see Figures 1 to 3As shown, the air-tight exhaust rain-proof louver comprises an outer frame of the louver, the outer frame is composed of horizontal frames 1 at the upper and lower ends and vertical frames 2 at the left and right sides, a plurality of horizontally and obliquely arranged rain-proof blades 3 are arranged in the outer frame, a protective net 6 is fixed to the inner side of the outer frame, a plurality of obliquely arranged and vertically distributed rain-proof plates 5 are arranged on the outer side of the outer frame, the rain-proof blades 3 are linearly and vertically and uniformly distributed between the rain-proof plates 5 and the protective net 6, the rain-proof blade 3 comprises a rhombic shaft sleeve 31 at the middle part, upper and lower blades 32 and 33 are respectively formed at the upper and lower ends of the shaft sleeve 31, an arc-shaped upper connecting piece 34 is formed at the upper end of the upper blade 32 by bending, an arc-shaped lower connecting piece 35 is formed at the lower end of the lower blade 33 by bending, the bending direction of the upper connecting piece 34 is opposite to that of the lower connecting piece 35, the upper connecting pieces 34 and the lower connecting pieces 35 on the upper and lower adjacent rain-proof blades 3 are staggered and respectively abut against D-shaped first sealing strips 7, the first sealing strips 7, the upper connecting pieces 34 and the lower connecting pieces 35 form an air-tight cavity, T-shaped clamping strips 71 are formed on the first sealing strips 7; clamping grooves 36 are respectively formed at the upper end of the upper blade 32 and the lower end of the lower blade 33, the clamping strips 71 of the first sealing strips 7 are clamped in the clamping grooves 36 of the rain-proof blades 3;

[0019] L-shaped support plates 8 are respectively fixed to the horizontal frames 1 at the upper and lower ends of the outer frame, second sealing strips 4 are fixed to the support plates 8; the upper connecting pieces 34 of the rain-proof blades 3 at the top of the outer frame abut against the second sealing strips 4 at the upper end of the outer frame, the lower connecting pieces 35 of the rain-proof blades 3 at the bottom abut against the second sealing strips 4 at the lower end of the outer frame.

[0020] Among the upper and lower adjacent rain-proof blades 3, the upper connecting piece 34 of the lower rain-proof blade 3 is located at the upper side of the lower connecting piece 35 of the upper rain-proof blade 3, Figure 2 which are staggered to form an obliquely arranged elliptical structure, the connection between the adjacent rain-proof blades 3 in the above structure is more close, and the rain-proof sealing effect is stronger.

[0021] Type cavities 37 are respectively formed in the upper blades 32 and the lower blades 33 of the rain-proof blades 3, which can greatly reduce the weight of the rain-proof blades 3 and save the manufacturing cost; meanwhile, the type cavities 37 can be used as a partition to reduce the heat transfer of the rain-proof blades 3, close the louver and improve the heat preservation effect.

[0022] Central holes are formed on the first sealing strips 7 and the second sealing strips 4, the higher the degree of elastic deformation of the first sealing strips 7 and the second sealing strips 4, the better the air-tight sealing effect.

[0023] The rain baffle 5 comprises an obliquely arranged main baffle 51, the upper side of the main baffle 51 is bent to form a hook-shaped upper baffle 52, the lower end is bent to form a V-shaped lower baffle 53, and a vertical panel 54 is formed on the lower baffle 53; a front air inlet channel is arranged between the panel 54 and the upper lower baffle 53, and a rear air inlet channel is arranged between the upper baffle 52 and the upper main baffle 51;

[0024] A vertical branch baffle 55 is formed between the main baffle 51 and the lower baffle 53, and the branch baffle 55 is located on the lower side of the main baffle 51; a middle air inlet channel is formed between the branch baffle 55 and the lower main baffle 51, and the branch baffle 55 and the panel 54 can improve the rain blocking effect,

[0025] C-shaped sockets 56 are formed on the upper and lower parts of the main baffle 51 respectively, the openings of the sockets 56 face the rainproof blades 3, and the rain baffle 5 can be buckled on a circular horizontal shaft by the sockets 56, the horizontal shaft is fixedly connected to the vertical frame 2 of the outer frame, and then the installation and removal of the rain baffle 5 are facilitated;

[0026] The rain baffle 5 is linearly and vertically uniformly distributed in the outer frame, a plurality of drainage holes are formed in the bottom of the upper and lower baffles 53 of the rain baffle 5, the main baffle 51 of the rain baffle 5 is an inclined flow guide plate, and rain falling on the main baffle 51 can flow downward along the main baffle 51 and be collected in the lower baffle 53, and the accumulated water in the lower baffle 53 can be drained through the drainage holes.

[0027] Working principle: the structure is a dense exhaust rainproof louver, and the technical point is embodied in the connection structure between the rainproof blades 3 in the louver, the upper and lower ends of the rainproof blades 3 are provided with first sealing strips 7, and the upper and lower ends of the rainproof blades 3 are respectively formed with connection pieces (upper connection pieces 34 and lower connection pieces 34) with opposite bending directions, the connection pieces press the first sealing strips 7, the double sealing between the rainproof blades 3 is realized, and the sealing effect is very good;

[0028] The connection pieces form an air-tight cavity, the rainproof blades 3 have a cavity 37, and the cavity 37 and the air-tight cavity can be used as heat insulation cavities, and can effectively block the heat exchange between the inside and outside of the louver.

[0029] The embodiments are used to illustrate the utility model, and are not used to limit the utility model. Any person skilled in the art can modify the embodiments without departing from the spirit and scope of the utility model, and therefore the protection scope of the utility model should be as listed in the claims of the utility model.

Claims

1. An airtight, rainproof louver for ventilation, comprising an outer frame of the louver, the outer frame consisting of horizontal side frames (1) at the top and bottom ends and vertical side frames (2) on the left and right sides, the outer frame having several horizontally inclined rainproof blades (3), a protective net (6) fixed to the inner side of the outer frame, and several inclined and vertically distributed rain shields (5) on the outer side, the rainproof blades (3) being linearly and vertically evenly distributed between the rain shields (5) and the protective net (6), characterized in that: The rainproof leaf (3) comprises a middle diamond-shaped shaft sleeve (31), the upper and lower ends of the shaft sleeve (31) are respectively formed with an upper leaf (32) and a lower leaf (33), the upper end of the upper leaf (32) is bent and formed with an arc-shaped upper connecting piece (34), the lower end of the lower leaf (33) is bent and formed with an arc-shaped lower connecting piece (35), the bending direction of the upper connecting piece (34) is opposite to that of the lower connecting piece (35), the upper connecting pieces (34) and the lower connecting pieces (35) on the upper and lower adjacent rainproof leaves (3) are staggered and respectively pressed against a D-shaped first sealing strip (7), the first sealing strip (7) is formed with a T-shaped clamping strip (71); the upper end of the upper leaf (32) and the lower end of the lower leaf (33) are respectively formed with a clamping groove (36), the clamping strip (71) of the first sealing strip (7) is clamped in the clamping groove (36) of the rainproof leaf (3); The horizontal frame (1) at the upper and lower ends of the outer frame is respectively fixedly connected with an L-shaped support plate (8), and the support plate (8) is fixedly connected with a second sealing strip (4); the upper connecting piece (34) of the rainproof leaf (3) at the top of the outer frame is pressed against the second sealing strip (4) at the upper end of the outer frame, and the lower connecting piece (35) of the rainproof leaf (3) at the bottom is pressed against the second sealing strip (4) at the lower end of the outer frame.

2. The weather-protected exhaust screen of claim 1, wherein: Among the upper and lower adjacent rainproof leaves (3), the upper connecting piece (34) of the lower rainproof leaf (3) is located on the upper side of the lower connecting piece (35) of the upper rainproof leaf (3).

3. The weather-protected exhaust storm louver of claim 1, wherein: The upper leaf (32) and the lower leaf (33) of the rainproof leaf (3) are respectively formed with a cavity (37).

4. The weather-protected exhaust storm louvre of claim 1, wherein: The first sealing strip (7) and the second sealing strip (4) are both formed with a center hole.

5. The weather-protected exhaust storm louver of claim 1, wherein: The rain shield (5) comprises an obliquely arranged main shield (51), the upper side of the main shield (51) is bent and formed with a hook-shaped upper flange (52), the lower end is bent and formed with a V-shaped lower flange (53), and the lower flange (53) is formed with a vertical panel (54); A vertical branch plate (55) is formed between the main shield (51) and the lower flange (53), and the branch plate (55) is located on the lower side of the main shield (51); the upper and lower parts of the main shield (51) are respectively formed with a C-shaped clamping opening (56), and the opening of the clamping opening (56) faces the rainproof leaf (3).

6. The weather-protected exhaust storm louvre of claim 5, wherein: The rain shield (5) is linearly and vertically uniformly distributed in the outer frame, and the bottom of the upper and lower flanges (53) of the rain shield (5) is formed with a plurality of drainage holes.

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