Micro ventilation device

Abstract

The utility model discloses a micro ventilation device which comprises a support, the inner wall of the support is rotatably connected with a rotary lock, the top of the rotary lock is provided with a decorative cover in a matched and inserted mode, the outer wall of the front end of the support is fixedly connected with an air inlet flat pipe, first air inlet grooves are evenly formed in the inner wall of the air inlet flat pipe, and a circular groove is formed in the inner wall of the top of the support. A circular groove is formed in the left end and the right end of the support, end cover plates are arranged at the left end and the right end of the circular groove, a rotating lock is installed between the two end cover plates in a matched and clamped mode, and a semicircular groove is formed in the top of the rotating lock. The first air inlet groove, the air inlet hole and the second air inlet groove are flexibly controlled to be communicated or distributed in a staggered mode, opening and closing operation can be conveniently and rapidly carried out, meanwhile, an air circulation path between the support and the rotating lock is arranged to be of a structure with the large bending degree, the mosquito and rainwater intercepting effect is improved to a certain degree, and the practicability is high. And the use practicability of the equipment is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of micro-ventilation devices, in particular to a micro-ventilation device. Background Art

[0002] After installing the thermal break aluminum windows, in order to facilitate indoor ventilation without opening the windows, it is usually necessary to install a micro-ventilation device on the window. The internal structure of the existing micro-ventilation device is relatively complex, and the internal ventilation flow channel is generally arranged horizontally. When in use, due to the lack of an upper and lower misaligned structure for the air flow channel between the inside and outside of the window, it is easy for outdoor mosquitoes and rainwater to enter the room during the ventilation process, which is inconvenient to use and not convenient to improve the waterproof and mosquito-proof effects. It is also inconvenient to control the switch of the micro-ventilation device. Utility Model Content

[0003] The purpose of the utility model is to provide a micro-ventilation device to solve the problems raised in the above background technology.

[0004] In order to achieve the above purpose, the utility model provides the following technical solutions:

[0005] A micro-ventilation device comprises a bracket, wherein the inner wall of the bracket is rotatably connected to a rotary lock, the top of the rotary lock is fitted with a decorative cover, the outer wall of the front end of the bracket is fixedly connected to an air intake flat tube, the inner wall of the air intake flat tube is evenly provided with a first air intake groove, the inner wall of the top of the bracket is provided with a circular groove, the left and right ends of the circular groove are end cover plates, a rotary lock is fitted between the two end cover plates, a semicircular groove is provided on the top of the rotary lock, a plug plate is fixedly installed at the center position of the top of the semicircular groove, a splint is fixedly installed on the inner wall of the top of the decorative cover, and the gap between the two splints is used for fitting and plugging connection to the outer wall of the plug plate.

[0006] In a preferred embodiment of the utility model, a first protrusion holder is fixedly installed at the center position of the inner wall of the end cover plate on one side, the first protrusion holder is an inverted U-shape, and a second protrusion block is fixedly installed at the center position of the inner wall of the end cover plate away from the first protrusion holder.

[0007] In a preferred embodiment of the present invention, the second protruding block is provided with a cylindrical shape, a circular through hole is provided on a side wall of one end of the rotary lock, an insertion hole is provided on an outer wall of one end of the rotary lock away from the circular through hole, and the insertion hole is fan-shaped.

[0008] In a preferred embodiment of the utility model, the circular through hole is plug-connected and rotatably connected with the second protruding block, the plug hole is plug-connected and rotatably connected with the inner wall of the first protruding socket, and a second air inlet groove is provided on the inner wall of the bottom of the rotary lock.

[0009] In a preferred embodiment of the present utility model, an air inlet hole is opened on the inner wall of the bottom of the circular groove, the air inlet hole is connected to the first air inlet groove, and the second air inlet groove cooperates with the air inlet hole to open and close.

[0010] In a preferred embodiment of the present utility model, a C-shaped slot is provided on the top of the two end cover plates, and the C-shaped slot is plug-connected with the outer walls at both ends of the decorative cover. A first identification protrusion is fixedly installed at the center position of the top of the end cover plate, and a second identification protrusion and a third identification protrusion are fixedly installed on the end of the decorative cover close to the end cover plate.

[0011] Additional aspects and advantages of the present invention will be given in part in the following description, and in part will become apparent from the following description, or will be learned through the practice of the present invention.

[0012] 1. By setting a rotation adjustment between the bracket and the rotary lock, the first air inlet groove, the air inlet hole and the second air inlet groove can be flexibly controlled to be connected or staggered, so as to facilitate the quick switch operation. At the same time, the air flow path between the bracket and the rotary lock is set to a structure with a large bending degree, thereby to a certain extent, increasing the interception effect of mosquitoes and rainwater, and improving the practicality of the device;

[0013] 2. By setting the first identification convex block, the second identification convex block and the third identification convex block for use together, it is convenient for the operator to flexibly control the switch according to the use needs, and also to adjust the ventilation opening of the switch according to the needs;

[0014] 3. Ensure the safety and anti-theft performance of the window under the micro-ventilation working state, ensure the excellent sound insulation performance of the window under the micro-ventilation working state, and ensure the watertightness of the window under the micro-ventilation working state;

[0015] 4. Micro-ventilation components are easy to install and maintain. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] The above and / or additional aspects and advantages of the present invention will become apparent and easily understood from the description of the embodiments in conjunction with the following drawings, in which:

[0017] Figure 1 It is a schematic diagram of the exploded structure of a micro-ventilation device;

[0018] Figure 2 A schematic diagram of the installation structure in a micro-ventilation device Figure 1 ;

[0019] Figure 3 A schematic diagram of the installation structure in a micro-ventilation device Figure 2 ;

[0020] Figure 4A schematic diagram of the structure of a rotary lock in a micro-ventilation device in a closed state;

[0021] Figure 5 It is a schematic cross-sectional structure diagram of a rotary lock in a micro-ventilation device in a closed state;

[0022] Figure 6 A schematic diagram of the structure of a rotary lock in a micro-ventilation device in an open state;

[0023] Figure 7 It is a schematic cross-sectional structure diagram of a rotary lock in a micro-ventilation device in an open state;

[0024] Figure 8 The schematic diagram of the working structure of the air flow path of a micro-ventilation device installed in an existing thermally-broken aluminum window profile.

[0025] In the figure: bracket 100, circular groove 110, end cover plate 120, first protruding seat 121, second protruding block 122, first identification protrusion 123, air inlet flat tube 130, first air inlet groove 131, air inlet hole 132, rotary lock 200, second air inlet groove 210, circular through hole 220, semicircular groove 230, C-shaped slot 240, plug plate 250, plug hole 260, decorative cover 300, splint 310, second identification protrusion 320, third identification protrusion 330. DETAILED DESCRIPTION

[0026] The embodiments of the present invention are described in detail below, and examples of the embodiments are shown in the accompanying drawings, wherein the same or similar reference numerals throughout represent the same or similar elements or elements having the same or similar functions. The embodiments described below with reference to the accompanying drawings are exemplary and are only used to explain the present invention, and cannot be understood as limiting the present invention.

[0027] Example 1: Figure 1-3 , including a bracket 100, the inner wall of the bracket 100 is rotatably connected to the rotary lock 200, the top of the rotary lock 200 is plugged and installed with a decorative cover 300, the front end outer wall of the bracket 100 is fixedly connected to the air intake flat pipe 130, the inner wall of the air intake flat pipe 130 is evenly provided with a first air intake groove 131, a circular groove 110 is provided on the top inner wall of the bracket 100, the left and right ends of the circular groove 110 are end cover plates 120, the rotary lock 200 is installed between the two end cover plates 120, a semicircular groove 230 is provided on the top of the rotary lock 200, the center position of the top of the semicircular groove 230 is fixedly installed with a plug-in plate 310, and the gap between the two splints 310 is used for plugging and connecting the outer wall of the plug-in plate 250.

[0028] The specific usage scenario of this embodiment is: by setting the bracket 100 and the rotating lock 200 for use together, the first air inlet groove 131, the air inlet hole 132 and the second air inlet groove 210 are controlled to be connected or distributed in staggered positions, thereby controlling the opening or closing of the internal ventilation path of the micro-ventilation device, which is convenient for the operator to flexibly control the ventilation or close the ventilation.

[0029] Example 2: Figure 1 and Figure 4-7 A first protruding seat 121 is fixedly installed at the center position of the inner wall of the end cover plate 120 on one side, and the first protruding seat 121 is an inverted U-shape. A second protruding block 122 is fixedly installed at the center position of the inner wall of the end cover plate 120 on the side away from the first protruding seat 121. The second protruding block 122 is provided with a cylindrical shape. A circular through hole 220 is opened on the side wall of one end of the rotary lock 200, and a plug hole 260 is opened on the outer wall of the end of the rotary lock 200 away from the circular through hole 220. The plug hole 260 is fan-shaped, and the circular through hole 220 is plugged and rotatably connected with the second protruding block 122. The plug hole 260 is plugged and rotatably connected with the inner wall of the first protruding seat 121. A second air inlet groove 210 is opened on the inner wall of the bottom of the rotary lock 200, and an air inlet hole 132 is opened on the inner wall of the bottom of the circular groove 110. The air inlet hole 132 is connected to the first air inlet groove 131, and the second air inlet groove 210 cooperates with the air inlet hole 132 to open and close.

[0030] The specific usage scenario of this embodiment is: by setting a circular through hole 220 to be plugged and rotatably connected with the second protrusion block 122, the socket 260 is plugged and rotatably connected with the inner wall of the first protrusion socket 121, so that it is convenient to plug and install the rotary lock 200 and the bracket 100, and it is convenient to rotate the first protrusion socket 121 and the socket 260, and the rotation angle is equal to the angle between the second identification protrusion 320, the third identification protrusion 330 and the circular end of the rotary lock 200, so that the rotary lock 200 can be rotated and adjusted inside the bracket 100, so that the second air inlet groove 210 in the rotary lock 200 can be connected with the first air inlet groove 131 and the air inlet hole 132 in the bracket 100, thereby achieving the function of switch ventilation.

[0031] Example 3: Figure 4-7 A C-shaped slot 240 is provided on the top of the two end cover plates 120, and the C-shaped slot 240 is plugged into and connected with the outer walls of the decorative cover 300 at both ends. The first identification protrusion 123 is fixedly installed at the center position of the top of the end cover plate 120, and the second identification protrusion 320 and the third identification protrusion 330 are fixedly installed at the end of the decorative cover 300 close to the end cover plate 120.

[0032] The specific usage scenario of this embodiment is: by setting the second identification protrusion 320 and the third identification protrusion 330 and the first identification protrusion 123 for alignment and distribution as a reference, it is convenient for the operator to accurately control the switch of the second air inlet groove 210 inside the rotary lock 200 when in use.

[0033] The working principle of the utility model is as follows: when in use, a person skilled in the art will plug and connect the circular through hole 220 at the end of the rotary lock 200 with the second protruding block 122, then plug and connect the plug hole 260 with the inner wall of the first protruding card seat 121, and then plug and install the decorative cover 300 into the C-shaped card slot 240, so that the cavity between the two clamping plates 310 on the inner wall of the decorative cover 300 is plug-connected with the outer wall of the plug plate 250, and install the micro-ventilation device to the indoor air inlet of the broken bridge aluminum profile, and control the decorative cover 300 to rotate synchronously with the rotary lock 200 by holding the decorative cover 300, so that the third mark When the protrusion 330 is aligned with the first identification protrusion 123, the second air inlet groove 210 in the rotary lock 200 is staggered with the first air inlet groove 131 and the air inlet hole 132, and the rotary lock 200 is in a closed state. When the second identification protrusion 320 is aligned with the first identification protrusion 123, the second air inlet groove 210 in the rotary lock 200 is correspondingly connected with the first air inlet groove 131 and the air inlet hole 132, and the rotary lock 200 is in an open state, so that the air in the outdoor environment and the indoor air circulate through the air pressure difference, thereby achieving the effect of micro-ventilation. The air flow path of the micro-ventilation device is shown in the attached Figure 8 The arrows in the figure point to the direction shown, thereby achieving the effect of micro-ventilation in the room and isolating mosquitoes, while also preventing rainwater from entering the room.

[0034] Although the embodiments of the present invention have been shown and described, those skilled in the art will appreciate that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the claims and their equivalents.

Claims

1. A micro-ventilation device, comprising a bracket (100), wherein the inner wall of the bracket (100) is rotatably connected to a rotary lock (200), characterized in that: The top of the rotary lock (200) is plugged in with a decorative cover (300), the front end outer wall of the bracket (100) is fixedly connected to the air intake flat tube (130), the inner wall of the air intake flat tube (130) is evenly provided with a first air intake groove (131), the top inner wall of the bracket (100) is provided with a circular groove (110), the left and right ends of the circular groove (110) are end cover plates (120), the rotary lock (200) is plugged in between the two end cover plates (120), the top of the rotary lock (200) is provided with a semicircular groove (230), the center position of the top of the semicircular groove (230) is fixedly provided with a plug plate (250), the top inner wall of the decorative cover (300) is fixedly provided with a clamping plate (310), and the gap between the two clamping plates (310) is used for plugging and connecting with the outer wall of the plug plate (250).

2. A micro-ventilation device according to claim 1, characterized in that: A first protruding clamping seat (121) is fixedly mounted at the center of the inner wall of the end cover plate (120) on one side, the first protruding clamping seat (121) is in an inverted U shape, and a second protruding block (122) is fixedly mounted at the center of the inner wall of the end cover plate (120) away from the first protruding clamping seat (121).

3. A micro-ventilation device according to claim 2, characterized in that: The second protruding block (122) is provided in a cylindrical shape, a circular through hole (220) is provided on a side wall at one end of the rotary lock (200), an insertion hole (260) is provided on an outer wall at one end of the rotary lock (200) away from the circular through hole (220), and the insertion hole (260) is fan-shaped.

4. A micro-ventilation device according to claim 3, characterized in that: The circular through hole (220) is plug-connected and rotatably connected to the second protruding block (122), the plug hole (260) is plug-connected and rotatably connected to the inner wall of the first protruding seat (121), and a second air inlet groove (210) is provided on the inner wall of the bottom of the rotary lock (200).

5. A micro-ventilation device according to claim 4, characterized in that: An air inlet hole (132) is provided on the inner wall of the bottom of the circular groove (110); the air inlet hole (132) is communicated with the first air inlet groove (131); and the second air inlet groove (210) cooperates with the air inlet hole (132) to open and close.

6. A micro-ventilation device according to claim 1, characterized in that: The tops of the two end cover plates (120) are each provided with a C-shaped slot (240), the C-shaped slot (240) being plug-connected with the outer walls at both ends of the decorative cover (300), a first identification protrusion (123) being fixedly mounted at the center of the top of the end cover plate (120), and a second identification protrusion (320) and a third identification protrusion (330) being fixedly mounted at the end of the decorative cover (300) close to the end cover plate (120).

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