Ventilating fan convenient to install

Abstract

The ventilating fan convenient to install comprises an installing plate and a connecting block, an installing hole is formed in the side wall of the installing plate, the connecting block is inserted into the installing hole, the connecting block comprises a connecting part and a clamping part, a threaded part is arranged on the outer circumferential face of the clamping part, an adjusting ring is connected to the threaded part in a threaded mode, and the adjusting ring is connected to the outer circumferential face of the clamping part. The shutters are arranged on the shell to prevent external sundries from entering and influencing the fan blades, the adjusting ring is in threaded connection with the threaded part, the adjusting ring is rotated, the sliding block is pushed to approach the mounting plate through the insertion ring until the side wall of the abutting block is tightly pressed on the side wall of the mounting plate, and at the moment, the sealing gasket is tightly attached to the side wall of the mounting plate; the connecting block can be taken down from the mounting plate only by rotating the adjusting ring and manually pressing the abutting block of the clamping mechanism when disassembly, maintenance and replacement are needed, assembly and disassembly are convenient and rapid, and clamping is stable.

Description

TECHNICAL FIELD

[0001] The utility model relates to a ventilation fan technical field, especially a ventilation fan convenient to install. BACKGROUND

[0002] Ventilation fan as a kind of daily necessities has been widely applied in thousands of households. The ventilation fan of the window glass installation type currently applied is a kind of air conditioning electrical appliance, which is driven by motor to rotate fan blade to exchange indoor and outdoor air, and ventilation fan can be used to remove indoor air and introduce outdoor air. Ventilation fan is widely used in family and public place. For example, the place used more by family is bathroom, ventilation fan can be used to realize indoor and outdoor air exchange of bathroom when taking a bath.

[0003] At present, the installation of traditional ventilation fan is mainly realized by screw ring fixing mode, when installation position is out of reach by hand or cannot be operated by other auxiliary tools, and installation personnel cannot reach outdoor side to construct, ventilation fan cannot be installed, and traditional ventilation fan has the problems of complex installation structure, high cost and inconvenient installation.

[0004] Therefore, it is necessary to provide a ventilation fan convenient to install to solve the above technical problems. UTILITY MODEL CONTENT

[0005] The utility model aims at providing a ventilation fan convenient to install to solve the problems in the above background.

[0006] To achieve the above object, the utility model provides the following technical scheme: a ventilation fan convenient to install, including mounting plate and connecting block, the mounting plate side wall is equipped with mounting hole, the connecting block is inserted in mounting hole, the connecting block includes connecting portion and clamping portion, the outer circumferential surface of clamping portion is provided with threaded portion, the threaded portion is connected with adjusting ring on screw thread, the side wall of clamping portion is equipped with annular groove, the middle part of adjusting ring is equipped with threaded hole, the threaded hole is matched with threaded portion, the side wall of adjusting ring is provided with insert ring, the appearance of insert ring is matched with the appearance of annular groove, the side wall of clamping portion is evenly equipped with four first sliding slot, the first sliding slot is provided with clamping block opposite on both sides, the first sliding slot is slidably provided with clamping mechanism for clamping connecting block with mounting plate.

[0007] As a preferred technical scheme of the utility model, the clamping mechanism comprises a sliding block, the sliding block is slidably arranged in a first sliding groove, second sliding grooves are arranged on the front and rear side walls of the sliding block, two second sliding grooves are slidably matched with two clamping blocks respectively, a containing hole is arranged on the side wall of the sliding block, a first placing hole is arranged at the bottom of the first sliding groove, the containing hole is arranged opposite to the first placing hole, a first spring is arranged between the containing hole and the first placing hole, a first mounting groove and a second mounting groove are arranged at the top of the sliding block, a rotating hole is arranged on the side wall of the second mounting groove, an abutting block is rotatably arranged in the second mounting groove, a rotating shaft is rotatably arranged in the rotating hole, the rotating shaft penetrates through the abutting block, a second placing hole is arranged at the bottom of the first mounting groove, a second spring is arranged in the second placing hole, and the top of the second spring abuts against the bottom of the abutting block.

[0008] As a preferred technical scheme of the utility model, the connecting part of the connecting block is provided with a shell, a fixed frame is arranged in the shell, a motor is arranged in the middle of the fixed frame, a fan blade is rotatably arranged in the shell, the output end of the motor penetrates through the middle of the fixed frame and is in transmission connection with the fan blade, and the shell is provided with a louver.

[0009] As a preferred technical scheme of the utility model, four clamping grooves are uniformly arranged on the side wall of the clamping part, the four clamping grooves are one-to-one and opposite to the four first sliding grooves respectively, and a limiting block is clamped and fixed in the clamping groove.

[0010] As a preferred technical scheme of the utility model, a groove is arranged on the side wall of the connecting block, the groove structure is annular, the groove is located on the outer side of the clamping part, and a sealing gasket is arranged in the groove.

[0011] As a preferred technical scheme of the utility model, a plurality of air exchange holes are arranged on the side wall of the clamping part.

[0012] As a preferred technical scheme of the utility model, a plurality of anti-skid strips are uniformly arranged on the other side wall of the adjusting ring.

[0013] As a preferred technical scheme of the utility model, the connecting part structure is square, the clamping part structure is cylindrical, and the clamping part is inserted into the mounting hole.

[0014] Compared with the prior art, the utility model has the beneficial effects that:

[0015] The utility model relates to a ventilation fan convenient to install, the utility model discloses a shutter is set up on the shell to prevent the outside sundries from entering to influence the fan blade, and the connecting block is tightly attached with the mounting plate through the clamping portion passing through the mounting hole, in the process of passing through, the abutting piece of the clamping mechanism is shrunk to the first installation groove under pressure, when the clamping mechanism completely separates from the mounting hole, the abutting piece opens under the action of second spring, and then the installation plate side wall is limited, under the action of first spring, the sliding block is at the maximum position, when the clamping mechanism and the installation plate side wall do not contact, the installation is convenient and fast, the adjusting ring is connected in the threaded portion on the threaded connection, rotates the adjusting ring, and the sliding block is close to the installation plate through the ring insertion and promotes, until the abutting piece side wall is tightly pressed in the installation plate side wall, when the sealing gasket and the installation plate side wall are tightly attached, and then the installation hole is sealed, the connecting block and the installation plate are sealed at the connecting place, prevent the air leakage, enhance the ventilation performance of ventilation fan whole, when needing to dismount and maintain replacement, only need to rotate the adjusting ring and take down, and the abutting piece of clamping mechanism is manually pressed to take down the connecting block from the installation plate, and the installation is convenient and fast, and the clamping is firm. BRIEF DESCRIPTION OF DRAWINGS

[0016] The utility model is further explained below in connection with the drawings and examples.

[0017] Figure 1 It is the whole structure three-dimensional explosion schematic diagram of the utility model;

[0018] Figure 2 It is the whole structure three-dimensional schematic diagram of the utility model;

[0019] Figure 3 It is the whole structure isometric drawing of the utility model;

[0020] Figure 4 It is the clamping mechanism structure three-dimensional explosion schematic diagram of the utility model;

[0021] Figure 5 It is the sliding block structure three-dimensional schematic diagram of the utility model;

[0022] Figure 6 It is the connecting block structure three-dimensional schematic diagram of the utility model;

[0023] Figure 7 It is the adjusting ring structure three-dimensional schematic diagram of the utility model.

[0024] In the figure: 1, mounting plate; 101, mounting hole; 2, connecting block; 201, connecting part; 202, clamping part; 203, threaded part; 204, annular groove; 205, first sliding groove; 206, clamping block; 207, first placing hole; 208, clamping groove; 209, air exchange hole; 210, recess; 3, shell; 4, louver; 5, fixed frame; 6, fan blade; 7, motor; 8, clamping mechanism; 81, sliding block; 811, second sliding groove; 812, accommodating hole; 813, first mounting groove; 814, second mounting groove; 815, rotating hole; 816, second placing hole; 82, first spring; 83, abutting block; 84, rotating shaft; 85, second spring; 9, limiting block; 10, sealing gasket; 11, adjusting ring; 111, threaded hole; 112, insertion ring; 113, anti-skid bar. DETAILED DESCRIPTION

[0025] Embodiments of the present application will be described below with reference to the accompanying drawings. In this process, to ensure the clarity and convenience of the description, we may exaggerate the width of the lines or the size of the constituent elements in the drawings.

[0026] In addition, the terms in the following are defined based on the functions in the present application, and can be different according to the intention or custom of the user or the user. Therefore, these terms are defined based on the entire content of the present specification.

[0027] As Figures 1 to 7As shown in the figure, a convenient installation of ventilation fan, including mounting plate 1 and connecting block 2, the mounting plate 1 side wall is provided with mounting hole 101, the connecting block 2 includes connecting part 201 and clamping part 202, the connecting part 201 structure is square, the clamping part 202 structure is cylindrical, the clamping part 202 is inserted into the mounting hole 101, the outer circumferential surface of the clamping part 202 is provided with threaded portion 203, the threaded portion 203 is threadedly connected with the adjusting ring 11, the clamping part 202 side wall is provided with annular groove 204, the adjusting ring 11 is provided with threaded hole 111 in the middle, the threaded hole 111 is matched with the threaded portion 203, the adjusting ring 11 side wall is provided with the insert ring 112, the shape of the insert ring 112 is matched with the shape of the annular groove 204, the adjusting ring 11 is evenly provided with a plurality of anti-skid strips 113 on the other side wall, which is convenient to rotate the adjusting ring 11, the clamping part 202 side wall is evenly provided with four first sliding grooves 205, the first sliding groove 205 is provided with clamping block 206 opposite on both side walls, the first sliding groove 205 is provided with first placing hole 207 in the bottom, the first sliding groove 205 is slidably provided with clamping mechanism 8 for matching the mounting plate 1 clamping connecting block 2, the clamping part 202 side wall is evenly provided with four clamping grooves 208, four clamping grooves 208 are respectively and oppositely distributed with four first sliding grooves 205, the clamping groove 208 is clamped and fixed with limiting block 9, the connecting block 2 side wall is provided with recess 210, the recess 210 structure is annular, and the recess 210 is located outside the clamping part 202, the recess 210 is provided with sealing gasket 10, the clamping part 202 side wall is provided with a plurality of ventilation holes 209, which is convenient for air exchange.

[0028] As Figure 4 and Figure 5 As shown in the figure, the clamping mechanism 8 includes sliding block 81, the sliding block 81 is slidably arranged in the first sliding groove 205, the sliding block 81 is provided with second sliding groove 811 on the front and rear side walls, two second sliding grooves 811 are slidably matched with two clamping blocks 206 respectively, the sliding block 81 side wall is provided with containing hole 812, the containing hole 812 is opposite to the first placing hole 207, the containing hole 812 and the first placing hole 207 are provided with first spring 82, the sliding block 81 top is provided with first mounting groove 813 and second mounting groove 814, the second mounting groove 814 side wall is provided with rotating hole 815, the second mounting groove 814 is rotatably provided with abutting block 83, the rotating hole 815 is rotatably provided with rotating shaft 84, the rotating shaft 84 penetrates the abutting block 83, the first mounting groove 813 bottom is provided with second placing hole 816, the second placing hole 816 is provided with second spring 85, the second spring 85 top abuts with the bottom of the abutting block 83, the abutting block 83 is supported up by the second spring 85, and the clamping is matched by the side wall of the abutting block 83 and the side wall of the mounting plate 1.

[0029] The connecting part 201 of the connecting block 2 is provided with a shell 3, the shell 3 is provided with a fixing frame 5, the middle part of the fixing frame 5 is provided with a motor 7, the shell 3 is rotatably provided with a fan blade 6, the output end of the motor 7 penetrates the middle part of the fixing frame 5 and is in transmission connection with the fan blade 6, the fan blade 6 is driven to rotate by the motor 7 to realize air exchange, the side wall of the shell 3 is provided with a louver 4, which is used for exchanging air and preventing external large sundries from entering the shell 3 to cause pollution.

[0030] Specifically, the louver 4 is arranged on the shell 3 to prevent external sundries from entering and affecting the fan blade 6, the connecting block 2 is tightly attached to the mounting plate 1 by penetrating the mounting hole 101 through the clamping part 202, in the penetrating process, the abutting block 83 of the clamping mechanism 8 is pressed and shrunk into the first installation groove 813, when the clamping mechanism 8 is completely separated from the mounting hole 101, the abutting block 83 is opened under the action of the second spring 85, and then the side wall of the mounting plate 1 is limited, under the action of the first spring 82, the sliding block 81 is at the maximum position, at this time, the clamping mechanism 8 does not contact the side wall of the mounting plate 1, the installation is convenient and fast, the adjusting ring 11 is threadedly connected on the threaded part 203, the adjusting ring 11 is rotated, the sliding block 81 is pushed to the mounting plate 1 through the ring insertion 112, until the side wall of the abutting block 83 is tightly pressed on the side wall of the mounting plate 1, at this time, the sealing gasket 10 is tightly attached to the side wall of the mounting plate 1, and then the mounting hole 101 is sealed, so that the connecting part of the connecting block 2 and the mounting plate 1 is sealed, air leakage is prevented, and the air exchange performance of the air exchange fan as a whole is enhanced, when disassembly, maintenance and replacement are needed, only the adjusting ring 11 needs to be rotated and taken off, and the abutting block 83 of the clamping mechanism 8 needs to be manually pressed, so that the connecting block 2 can be taken off from the mounting plate 1, the installation and disassembly are convenient and fast, and the clamping is stable.

[0031] In addition, it should be understood that although the present specification is described in terms of embodiments, not every embodiment contains only one independent technical solution, and the description manner of the specification is only for the sake of clarity, those skilled in the art should consider the specification as a whole, and the technical solutions in each embodiment can be combined appropriately to form other embodiments that can be understood by those skilled in the art.

Claims

1. An easy-to-install ventilation fan, comprising a mounting plate (1) and a connecting block (2), wherein the mounting plate (1) has a mounting hole (101) on its side wall, and the connecting block (2) is inserted into the mounting hole (101), characterized in that: The connecting block (2) includes a connecting part (201) and a snap-fit ​​part (202). The snap-fit ​​part (202) has a threaded part (203) on its outer circumference. An adjusting ring (11) is threaded onto the threaded part (203). The snap-fit ​​part (202) has an annular groove (204) on its side wall. The adjusting ring (11) has a threaded hole (111) in its middle. The threaded hole (111) engages with the threaded part (203). The adjusting ring (11) has an insert ring (112) on its side wall. The insert ring (112) is adapted to the shape of the annular groove (204). The snap-fit ​​part (202) has four first sliding grooves (205) evenly distributed on its side wall. The two side walls of the first sliding grooves (205) are provided with a locking block (206) facing each other. A locking mechanism (8) for clamping the connecting block (2) with the mounting plate (1) is slidably disposed in the first sliding grooves (205).

2. The easy-to-install ventilation fan according to claim 1, characterized in that: The clamping mechanism (8) includes a slider (81), which is slidably disposed in a first groove (205). The slider (81) has second grooves (811) on both its front and rear sidewalls. The two second grooves (811) respectively cooperate with two locking blocks (206). The slider (81) has a receiving hole (812) on its sidewall. A first placement hole (207) is provided at the bottom of the first groove (205). The receiving hole (812) is directly opposite the first placement hole (207). A first spring (82) is provided between the receiving hole (812) and the first placement hole (207). The slider (81) has a first mounting groove (813) and a second mounting groove (814) on its top. The second mounting groove (814) has a rotating hole (815) on its side wall. An abutment block (83) is rotatably disposed in the second mounting groove (814). A rotating shaft (84) is rotatably disposed in the rotating hole (815). The rotating shaft (84) passes through the abutment block (83). The first mounting groove (813) has a second placement hole (816) at its bottom. A second spring (85) is disposed in the second placement hole (816). The top of the second spring (85) abuts against the bottom of the abutment block (83).

3. The easy-to-install ventilation fan according to claim 1, characterized in that: The connecting part (201) of the connecting block (2) is provided with a housing (3) on its side wall. A fixing frame (5) is provided inside the housing (3). A motor (7) is provided in the middle of the fixing frame (5). A fan blade (6) is rotatably provided inside the housing (3). The output end of the motor (7) passes through the middle of the fixing frame (5) and is connected to the fan blade (6) for transmission. A louver (4) is provided on the side wall of the housing (3).

4. The easy-to-install ventilation fan according to claim 1, characterized in that: The side wall of the snap-fit ​​part (202) is evenly provided with four snap-fit ​​slots (208), and the four snap-fit ​​slots (208) are respectively distributed opposite to the four first sliding grooves (205). The snap-fit ​​slots (208) are fixedly engaged with limit blocks (9).

5. The easy-to-install ventilation fan according to claim 1, characterized in that: The connecting block (2) has a groove (210) on its side wall. The groove (210) is annular and located outside the snap-fit ​​part (202). A sealing gasket (10) is provided inside the groove (210).

6. The easy-to-install ventilation fan according to claim 1, characterized in that: The snap-fit ​​part (202) has multiple ventilation holes (209) on its side wall.

7. The easy-to-install ventilation fan according to claim 1, characterized in that: The other side wall of the adjusting ring (11) is uniformly provided with multiple anti-slip strips (113).

8. The easy-to-install ventilation fan according to claim 1, characterized in that: The connecting part (201) has a square structure, and the snap-fit ​​part (202) has a cylindrical structure. The snap-fit ​​part (202) is inserted into the mounting hole (101).

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