CN109990426B

CN109990426B - Building ventilation device convenient to installation

Info

Publication number: CN109990426B
Application number: CN201910280062.5A
Authority: CN
Inventors: 丁雨薇; 李存梅; 昂胜华; 武昌锁; 丁忠武
Original assignee: Hefei Meiweitao Electronic Technology Co ltd
Current assignee: Hefei Meiweitao Electronic Technology Co ltd
Priority date: 2019-04-09
Filing date: 2019-04-09
Publication date: 2021-11-02
Anticipated expiration: 2039-04-09
Also published as: CN109990426A

Abstract

The invention relates to the technical field of ventilation devices, and discloses a building ventilation device convenient to install, which comprises a wall body, wherein a through hole is vertically formed in the wall body, a fixed frame is connected in the through hole in a sliding mode, the upper end and the lower end of the fixed frame both extend out of the through hole, a fixed pipe is horizontally and fixedly arranged in the fixed frame, a motor is fixedly arranged on the upper side of the outer pipe wall of the fixed pipe, fan blades are fixedly arranged at the tail end of an output shaft of the motor, movable rods are connected to the left side and the right side of the inner pipe wall of the fixed pipe in a sliding mode, strip-shaped holes are symmetrically formed in the lower pipe wall of the fixed pipe, vertically-arranged push rods are connected in the two strip-shaped holes in a sliding mode, and the two ends of the two push rods both extend out of the strip-shaped holes. The invention can carry out preliminary positioning before installation, prevent the device from falling off during installation, and prevent dust cloth from blocking falling dust, thereby facilitating installation.

Description

Building ventilation device convenient to installation

Technical Field

The invention relates to the technical field of ventilation devices, in particular to a building ventilation device convenient to install.

Background

The building ventilation is divided into natural ventilation and mechanical ventilation, which means that dirty air in a building is directly or after being purified, discharged to the outside, and fresh air is supplemented, so that the indoor air environment is kept in accordance with the sanitary standard. The purpose is as follows: 1. ensuring the removal of indoor pollutants; 2. the heat comfort of indoor personnel is ensured; 3. the requirement of indoor personnel on fresh air is met.

The existing building ventilation device is easy to fall down and break or injure workers by smashing when being installed, dust can fall down in a ventilation pipeline, and installation is inconvenient, so that the building ventilation device convenient to install is provided.

Disclosure of Invention

The invention aims to solve the problems that workers are easy to fall and break or hurt when being installed, dust falls in a ventilation pipeline, and the ventilation pipeline is inconvenient to install in the prior art, and provides a building ventilation device convenient to install.

In order to achieve the purpose, the invention adopts the following technical scheme:

a building ventilation device convenient to install comprises a wall body, wherein a through hole is vertically formed in the wall body, a fixed frame is connected in the through hole in a sliding manner, the upper end and the lower end of the fixed frame both extend out of the through hole, a fixed pipe is horizontally and fixedly arranged in the fixed frame, a motor is fixedly arranged on the upper side of the outer pipe wall of the fixed pipe, a fan blade is fixedly arranged at the tail end of an output shaft of the motor, movable rods are respectively and slidably connected to the left side and the right side of the inner pipe wall of the fixed pipe, strip-shaped holes are symmetrically formed in the lower pipe wall of the fixed pipe, vertically arranged push rods are respectively and slidably connected in the two strip-shaped holes, the two ends of each push rod extend out of the strip-shaped hole, the upper ends of the two push rods are respectively and fixedly connected with the rod walls of the corresponding movable rods, and the opposite ends of the two movable rods respectively penetrate through the side wall of the fixed frame and extend out of the fixed frame, the pore wall of through-hole is seted up and is located the outer one end matched with ring groove of fixed frame with two movable rods, the fixed first fixed block that is equipped with of left and right sides wall lower extreme symmetry of fixed frame, two first fixed block all is through first bolt and wall body fixed connection.

Preferably, the opposite ends of the two movable rods are fixedly connected with a first spring together.

Preferably, the right side of the lower end of the fixed frame is provided with a groove, the groove is rotationally connected with a rotating shaft, a coil spring is arranged on the shaft wall of the rotating shaft, one end of the coil spring is fixedly connected with the shaft wall of the rotating shaft, and the other end of the coil spring is fixedly connected with dustproof cloth, the other end of the dustproof cloth extends out of the groove and is fixedly connected with a rectangular rod, a rectangular groove matched with the upper end of the rectangular rod is formed in the left side of the lower end of the fixed frame, blind holes are symmetrically formed in the left side wall and the right side wall of the rectangular groove, clamping rods are connected in the two blind holes in a sliding mode, a second spring is connected between the end, away from the clamping rods, of each clamping rod and the hole bottom of the corresponding blind hole together, the opposite ends of the two clamping rods are circular and extend out of the blind holes, the left side wall and the right side wall of the rectangular rod are provided with circular clamping grooves matched with the opposite ends of the two clamping rods.

Preferably, the top department that is located the flabellum in the fixed frame is equipped with the filter screen, the left and right sides wall of filter screen all fixes and is equipped with the second fixed block, two the lateral wall of the relative one side of second fixed block all passes through second bolt and fixed frame's inside wall fixed connection.

Preferably, two the equal symmetry in pole wall both sides of kelly is fixed and is equipped with the stopper, two the pore wall both sides of blind hole are all seted up with the stopper matched with spacing groove that corresponds.

Preferably, the filter screen is made of stainless steel.

Compared with the prior art, the invention provides the building ventilation device convenient to install, which has the following beneficial effects:

1. this building ventilation device convenient to installation, through the first spring that is equipped with, movable rod and push rod, when this device of installation, promote two push rods with a hand earlier, two push rods drive two movable rods and extrude first spring, push fixed frame again in the through-hole on the wall body, at this moment loosen two push rods, two push rods receive the effort of first spring and remove to the direction that deviates from mutually, and the one end card that deviates from mutually of two push rods goes into in the annular groove, at this moment the first bolt of reuse is with first fixed block and wall body fixation, can be at the preliminary location before this device of installation, prevent when the installation that the device falls to damage or injures the staff by crashing after falling.

2. This building ventilation device convenient to installation, through the wind spring that is equipped with, dustproof cloth, rectangle pole and kelly, when this device of dismouting, pulling rectangle pole, the rectangle pole passes through dustproof cloth pulling wind spring, insert the rectangular channel with rectangle pole upper end again, the rectangle pole is through two kelly extrusion second springs, when the relative one end and the circular draw-in groove position of two kellies correspond, the second spring drives in the kelly card goes into the circular draw-in groove that corresponds, dustproof cloth can block the dust that falls down on through-hole and the filter screen, be convenient for install this device.

The parts which are not involved in the device are the same as or can be realized by adopting the prior art, the device can be preliminarily positioned before installation, the device is prevented from falling off during installation, and the dustproof cloth can block falling dust, so that the installation is convenient.

Drawings

Fig. 1 is a schematic structural view of a building ventilation device convenient to install according to the present invention;

fig. 2 is an enlarged view of a portion a of fig. 1.

In the figure: the fan comprises a fixed pipe 1, a push rod 2, dustproof cloth 3, a first spring 4, a movable rod 5, a coil spring 6, a first fixed block 7, a wall body 8, a second fixed block 9, a filter screen 10, fan blades 11, a motor 12, a fixed frame 13, a second spring 14, a clamping rod 15, a limiting block 16 and a rectangular rod 17.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments.

In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, are merely for convenience in describing the present invention and simplifying the description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention.

Referring to fig. 1-2, a building ventilation device convenient for installation, comprising a wall body 8, a through hole is vertically arranged on the wall body 8, a fixed frame 13 is connected in the through hole in a sliding manner, the upper and lower ends of the fixed frame 13 extend out of the through hole, a fixed tube 1 is horizontally and fixedly arranged in the fixed frame 13, a motor 12 is fixedly arranged on the upper side of the outer tube wall of the fixed tube 1, the motor 12 is electrically connected with an external power supply through a control switch, a fan blade 11 is fixedly arranged at the tail end of an output shaft of the motor 12, movable rods 5 are slidably connected on the left and right sides of the inner tube wall of the fixed tube 1, strip-shaped holes are symmetrically arranged on the lower tube wall of the fixed tube 1, vertically arranged push rods 2 are slidably connected in the two strip-shaped holes, the two ends of the two push rods 2 extend out of the strip-shaped holes, the upper ends of the two push rods 2 are fixedly connected with the corresponding rod walls of the movable rods 5, and a first spring 4 is fixedly connected at the opposite ends of the two movable rods 5, the opposite ends of the two movable rods 5 penetrate through the side wall of the fixed frame 13 and extend out of the fixed frame 13, the hole wall of the through hole is provided with an annular clamping groove matched with one end of the two movable rods 5 positioned outside the fixed frame 13, the lower ends of the left side wall and the right side wall of the fixed frame 13 are symmetrically and fixedly provided with first fixed blocks 7, the two first fixed blocks 7 are fixedly connected with a wall body 8 through first bolts, the right side of the lower end of the fixed frame 13 is provided with a groove, the groove is rotatably connected with a rotating shaft, the shaft wall of the rotating shaft is provided with a coil spring 6, one end of the coil spring 6 is fixedly connected with the shaft wall of the rotating shaft, the other end of the coil spring 6 is fixedly connected with a dustproof cloth 3, the other end of the dustproof cloth 3 extends out of the groove and is fixedly connected with a rectangular rod 17, the left side of the lower end of the fixed frame 13 is provided with a rectangular groove matched with the upper end of the rectangular rod 17, and the left side wall and right side wall of the rectangular groove are symmetrically provided with blind holes, equal sliding connection has kelly 15 in two blind holes, all be connected with second spring 14 jointly between the hole bottom of the one end that deviates from mutually and the blind hole that corresponds of two kellies 15, the relative one end of two kellies 15 is circular and extends outside the blind hole, rectangular rod 17's the left and right sides wall all seted up with two kellies 15 relative one end matched with circular draw-in groove, the equal symmetrical fixed stopper 16 that is equipped with in pole wall both sides of two kellies 15, the spacing groove with the stopper 16 matched with that corresponds is seted up to the pore wall both sides of two blind holes, the top department that lies in flabellum 11 in fixed frame 13 is equipped with filter screen 10, filter screen 10 is stainless steel, stainless steel can prevent to rust, filter screen 10's the left and right sides wall all fixed second fixed block 9 that is equipped with, the lateral wall of the relative one side of two second fixed blocks 9 all passes through the inside wall fixed connection of second bolt and fixed frame 13.

In the invention, when the device is used, when the device is installed, firstly, one hand is used for pushing the two push rods 2, the two push rods 2 drive the two movable rods 5 to extrude the first spring 4, then the fixed frame 13 is pushed into the through hole on the wall body 8, at the moment, the two push rods 2 are loosened, the two push rods 2 move towards the direction deviating from the direction under the action of the first spring 4, the deviating ends of the two push rods 2 are clamped into the annular groove, at the moment, the first fixed block 7 is fixed with the wall body 8 by using the first bolt, the device can be initially positioned before being installed, the device is prevented from falling and being damaged or injuring workers when being installed, when the device is assembled and disassembled, the rectangular rod 17 is pulled, the rectangular rod 17 pulls the coil spring 6 through the dustproof cloth 3, then the upper end of the rectangular rod 17 is inserted into the rectangular groove, the rectangular rod 17 extrudes the second spring 14 through the two clamping rods 15, when the opposite ends of the two clamping rods 15 are corresponding to the circular clamping groove, the second spring 14 drives the clamping rod 15 to be clamped into the corresponding circular clamping groove, and the dustproof cloth 3 can block dust falling from the through hole and the filter screen 10, so that the device is convenient to disassemble and assemble.

The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and the technical solutions and the inventive concepts thereof according to the present invention should be equivalent or changed within the scope of the present invention.

Claims

1. A building ventilation device convenient to install comprises a wall body (8) and is characterized in that a through hole is vertically formed in the wall body (8), a fixed frame (13) is connected in the through hole in a sliding mode, the upper end and the lower end of the fixed frame (13) both extend out of the through hole, a fixed pipe (1) is horizontally and fixedly arranged in the fixed frame (13), a motor (12) is fixedly arranged on the upper side of the outer pipe wall of the fixed pipe (1), a fan blade (11) is fixedly arranged at the tail end of an output shaft of the motor (12), movable rods (5) are respectively connected to the left side and the right side of the inner pipe wall of the fixed pipe (1) in a sliding mode, strip-shaped holes are symmetrically formed in the lower pipe wall of the fixed pipe (1), vertically-arranged push rods (2) are respectively connected in the strip-shaped holes in a sliding mode, the two ends of the two push rods (2) both extend out of the strip-shaped holes, and the upper ends of the two push rods (2) are respectively fixedly connected with the rod walls of the corresponding movable rods (5), the end, deviating from each other, of each of the two movable rods (5) penetrates through the side wall of the fixed frame (13) and extends out of the fixed frame (13), the hole wall of each through hole is provided with an annular clamping groove matched with one end, located outside the fixed frame (13), of each of the two movable rods (5), the lower ends of the left side wall and the right side wall of the fixed frame (13) are symmetrically and fixedly provided with first fixed blocks (7), and the two first fixed blocks (7) are fixedly connected with a wall body (8) through first bolts; the opposite ends of the two movable rods (5) are fixedly connected with a first spring (4) together.

2. The building ventilation device convenient to install according to claim 1, wherein a groove is formed in the right side of the lower end of the fixed frame (13), a rotating shaft is rotatably connected in the groove, a coil spring (6) is arranged on the shaft wall of the rotating shaft, one end of the coil spring (6) is fixedly connected with the shaft wall of the rotating shaft, a dustproof cloth (3) is fixedly connected with the other end of the coil spring (6), the other end of the dustproof cloth (3) extends out of the groove and is fixedly connected with a rectangular rod (17), a rectangular groove matched with the upper end of the rectangular rod (17) is formed in the left side of the lower end of the fixed frame (13), blind holes are symmetrically formed in the left side wall and the right side wall of the rectangular groove, clamping rods (15) are slidably connected in the two blind holes, and a second spring (14) is commonly connected between the end of each clamping rod (15) deviating from the hole bottom of the corresponding blind hole, two the relative one end of kelly (15) is circular and extend outside the blind hole, the left and right sides wall of rectangle pole (17) all sets up the circular draw-in groove with the relative one end matched with of two kellies (15).

3. The building ventilation device convenient to install according to claim 1, wherein a filter screen (10) is arranged above the fan blades (11) in the fixed frame (13), second fixed blocks (9) are fixedly arranged on both left and right side walls of the filter screen (10), and both side walls of the opposite side of the second fixed blocks (9) are fixedly connected with the inner side wall of the fixed frame (13) through second bolts.

4. The building ventilation device convenient to install according to claim 2, wherein two sides of the rod wall of the two clamping rods (15) are symmetrically and fixedly provided with limiting blocks (16), and two sides of the hole wall of the two blind holes are respectively provided with a limiting groove matched with the corresponding limiting blocks (16).

5. Building ventilation device convenient for installation according to claim 3, wherein the filter screen (10) is made of stainless steel.