Efficient centrifugal fan

Abstract

The utility model discloses an efficient centrifugal ventilator, which relates to the technical field of centrifugal ventilators and comprises a ventilator body, a filter sleeve is fixedly mounted on the side wall of the ventilator body, an air inlet plate is fixedly mounted on one side, far away from the ventilator body, of the filter sleeve, and a support rod is fixedly mounted in the filter sleeve; a filter element is installed in the filter sleeve in a limited mode, a baffle groove is formed in the upper half portion of the filter sleeve, and a semicircular baffle is rotatably installed in the baffle groove in a limited mode and matched with the top end of the filter element in an abutting mode. A semicircular baffle, a telescopic rod, a first spring, a rectangular groove, a clamping block and a clamping opening are arranged; the semicircular baffle can automatically turn over towards the outside of the baffle groove by shifting the shifting plate, and then does not abut against the filter element, at the moment, the first spring recovers to drive the arc-shaped top plate to move upwards, the filter element is pushed upwards, the filter element moves upwards to be exposed out of the position above the baffle groove, a user can conveniently take out the filter element, and then the maintenance efficiency is improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to centrifugal fan technical field, especially in high -efficient centrifugal fan. BACKGROUND

[0002] Centrifugal fan is relied on inputted mechanical energy, improves gas pressure and sends away gas's machine. Centrifugal fan is widely used in factory, mine, tunnel, cooling tower, vehicle, ship and building's ventilation, dust removal and cooling. General centrifugal fan is composed of casing, main shaft, impeller, bearing transmission mechanism and motor.

[0003] In the high -efficient energy -conserving centrifugal fan disclosed in Chinese patent CN221401018U, a fan is rotatably installed in the fan body, a motor is arranged on one side of the fan body, the output end of the motor is fixedly connected with the fan, a filter opening is formed in the outer wall of one side of the fan, and a filter mechanism is arranged on the filter opening and arranged in parallel with the fan.

[0004] The above-mentioned existing centrifugal fan in use, through the rotation fixed lid, makes fixed lid remove the connection with filter mouth, can take out filter core and openwork board after completely taking out fixed lid, although can play the role of replacing filter core, but the operation is more cumbersome, after the fixed lid is completely removed, the filter core and the attached openwork board can be taken out, which increases the maintenance cost and time consumption, and reduces the working efficiency.

[0005] To solve the above problems, the utility model provides a high -efficient centrifugal fan. UTILITY MODEL CONTENTS

[0006] To solve the problems in the background art, the utility model provides a high -efficient centrifugal fan.

[0007] To achieve the above object, the utility model provides the following technical scheme: a high -efficient centrifugal fan, including fan body, the side wall of fan body is fixedly installed with filter sleeve, the side away from fan body of filter sleeve is fixedly installed with air inlet plate, the inside of filter sleeve is fixedly installed with support rod;The inside of filter sleeve is limitedly installed with filter core, the upper half of filter sleeve is provided with baffle slot, the inside of baffle slot is limitedly rotatably installed with semicircular baffle, and semicircular baffle is in abutment with the top end of filter core.

[0008] The utility model further sets up, the inner wall of filter sleeve is fixedly installed with limit ring, and filter core is limitedly slidably installed in limit ring.

[0009] The utility model further sets up, the inner wall bottom side of filter sleeve is provided with semicircular groove on the position corresponding to limit ring, and the inside of semicircular groove is slidably provided with arc-shaped top plate, and arc-shaped top plate is in abutment with the bottom end of filter core.

[0010] The utility model further sets up, the bottom fixed mounting of semicircular groove has telescopic link, and the telescopic end of telescopic link is solid with arc roof board, and the outside of telescopic link is equipped with first spring, and one end of first spring is solid with arc roof board, and the other end of first spring is fixedly connected with the bottom of semicircular groove.

[0011] The utility model further sets up, the rotary joint of semicircular baffle and baffle groove is solid with torsional spring.

[0012] The utility model further sets up, the end position of baffle groove corresponding semicircular baffle is equipped with rectangular groove, and the inside limiting sliding of rectangular groove is installed with the clamping block, and the top of clamping block is set as inclined plane, and the end of semicircular baffle is equipped with the clamping interface, and clamping block and clamping interface clamping cooperation.

[0013] The utility model further sets up, the inside of rectangular groove is solid with second spring, and the other end of second spring is fixedly connected with clamping block, and the side wall of filter sleeve is equipped with the communication groove, and the inside sliding of communication groove is installed with the push plate, and push plate and clamping block are fixedly connected.

[0014] The utility model further sets up, the inside of semicircular baffle is solid with arc plate, and the upper end surface of filter core is equipped with arc slot, and arc plate and arc slot plug-in cooperation.

[0015] The utility model further sets up, the inside rotation of ventilator body is installed with fan, and the side wall of ventilator body is fixedly installed with motor, and the output shaft of motor is fixedly connected with fan.

[0016] Compared with the prior art, the utility model has the advantages that:

[0017] The efficient centrifugal ventilator sets up semicircular baffle, telescopic link, first spring, rectangular groove, clamping block and clamping interface, and the semicircular baffle is turned over to baffle groove outside automatically by pushing the push plate, and then no longer abuts with filter core, when first spring restores original state and drives arc roof board to move up, and then pushes filter core up, makes filter core move up and expose the top of baffle groove, and the user takes out filter core, and then improves maintenance efficiency. BRIEF DESCRIPTION OF DRAWINGS

[0018] The utility model is further explained in connection with the drawings and examples:

[0019] Figure 1 It is whole structure schematic diagram of the utility model;

[0020] Figure 2 It is side view structure schematic diagram of the utility model;

[0021] Figure 3The partial sectional view structure schematic diagram of the utility model;

[0022] Figure 4 The utility model Figure 3 The enlarged schematic diagram of A in the middle;

[0023] Figure 5 The utility model Figure 3 The enlarged schematic diagram of B in the middle;

[0024] Figure 6 The filter element separation schematic diagram of the utility model;

[0025] Figure 7 The utility model Figure 6 The enlarged schematic diagram of C in the middle.

[0026] The drawing figure mark: 1, ventilator body, 2, filter sleeve, 3, air inlet plate, 4, filter element, 5, baffle groove, 6, semicircular baffle, 7, limiting ring, 8, semicircular groove, 9, arc roof, 10, telescopic rod, 11, first spring, 12, rectangular groove, 13, clamping block, 14, clamping interface, 15, second spring, 16, communication groove, 17, push plate, 18, arc plate, 19, arc groove, 20, fan, 21, motor, 22, support rod. Specific implementation

[0027] It should be noted that the embodiments in the application and the features in the embodiments can be combined with each other without conflict.

[0028] It should be noted that, unless otherwise specified, all technical and scientific terms used in the application have the same meaning as generally understood by those skilled in the art to which the application belongs.

[0029] In the utility model, unless otherwise stated, the orientation such as "up, down" is generally for the direction shown in the drawing, or for the vertical, perpendicular or gravity direction; similarly, for the convenience of understanding and description, "left, right" is generally for the left and right shown in the drawing; "inner, outer" refers to the inner and outer relative to the contour of each component itself, but the above orientation words are not used to limit the utility model.

[0030] Please refer to Figures 1-7 The utility model provides a technical scheme: a kind of high-efficiency centrifugal ventilator, including ventilator body 1, fan 20 is rotatably installed in the inside of ventilator body 1, motor 21 is fixedly installed on the side wall of ventilator body 1, the output shaft of motor 21 is fixedly connected with fan 20.

[0031] The side wall of the ventilator body 1 is fixedly provided with a filter sleeve 2, and the filter sleeve 2 is fixedly provided with an air inlet plate 3 away from the ventilator body 1.

[0032] A filter core 4 is limitingly arranged in the filter sleeve 2.

[0033] Specifically, a rectangular slot 12 is formed in the filter sleeve 5 corresponding to the end position of the semicircular baffle 6, and a clamping block 13 is limitingly arranged in the rectangular slot 12.

[0034] Specifically, a semicircular slot 8 is formed in the inner wall of the filter sleeve 2 corresponding to the position of the limiting ring 7, and an arc-shaped top plate 9 is arranged in the semicircular slot 8.

[0035] In the embodiment of the utility model, torsional spring is fixedly connected at the rotary connection of semicircular baffle 6 and baffle slot 5.

[0036] In the embodiment of the utility model, arc-shaped plate 18 is fixedly connected at the inner side of semicircular baffle 6, and arc-shaped slot 19 is formed in the upper end surface of filter core 4.

[0037] Working principle:

[0038] In use, when the filter element 4 needs to be replaced, the push plate 17 is pushed downward, the push plate 17 moves downward to drive the clamping block 13 to move downward, so that the clamping block 13 is separated from the inside of the clamping interface 14, thereby releasing the limiting of the semicircular baffle 6, at this time, the torsion spring at the rotating connection of the semicircular baffle 6 and the baffle groove 5 restores to the original state, thereby driving the semicircular baffle 6 to flip to the outside of the baffle groove 5, thereby no longer abutting with the filter element 4, at this time, the first spring 11 restores to the original state to drive the arc-shaped top plate 9 to move upward, thereby pushing the filter element 4 upward, so that the filter element 4 moves upward to expose the upper part of the baffle groove 5, facilitating the user to take out the filter element 4.

[0039] When the filter element 4 is replaced, the semicircular baffle 6 is rotated, the semicircular baffle 6 is rotated to the inside of the baffle groove 5, and the torsion spring is deformed, the semicircular baffle 6 rotates to press the filter element 4 downward, so that the filter element 4 moves downward to drive the arc-shaped top plate 9 to move downward, so that the first spring 11 contracts, the filter element 4 is completely pressed into the inside of the filter sleeve 2, so that the arc-shaped plate 18 on the inside of the semicircular baffle 6 is inserted and matched with the arc-shaped groove 19 at the top end of the filter element 4, so that the installation is more stable, the end of the semicircular baffle 6 is slidingly matched with the inclined surface of the clamping block 13, so that the clamping block 13 slides into the inside of the rectangular groove 12, and the second spring 15 is contracted, when the clamping interface 14 on the semicircular baffle 6 moves to the corresponding position of the clamping block 13, the second spring 15 restores to the original state to drive the clamping block 13 to move upward, so that the clamping block 13 is inserted and matched with the clamping interface 14, thereby limiting the semicircular baffle 6 in the inside of the baffle groove 5. At this time, the installation of the filter element 4 is completed.

[0040] The embodiments of the utility model are described in detail above combined with the drawings, but the utility model is not limited to the above-mentioned embodiments, within the knowledge range possessed by the ordinary skilled in the art in the technical field, various changes can be made without departing from the purpose of the utility model.

Claims

1. A high-efficiency centrifugal fan comprising a fan body (1), characterized in that: The side wall of the ventilator body (1) is fixedly provided with a filter sleeve (2), the side away from the ventilator body (1) of the filter sleeve (2) is fixedly provided with an air inlet plate (3), and the inside of the filter sleeve (2) is fixedly provided with a supporting rod (22); the inside of the filter sleeve (2) is limitingly provided with a filter core (4), the upper half of the filter sleeve (2) is provided with a baffle groove (5), the inside of the baffle groove (5) is limitingly and rotatably provided with a semicircular baffle (6), and the semicircular baffle (6) is in abutting engagement with the top end of the filter core (4).

2. A high efficiency centrifugal fan as claimed in claim 1, wherein: The inner wall of the filter sleeve (2) is fixedly provided with a limiting ring (7), and the filter core (4) is limitingly and slidably arranged in the limiting ring (7).

3. A high efficiency centrifugal fan as claimed in claim 2, wherein: The bottom side of the inner wall of the filter sleeve (2) is provided with a semicircular groove (8) corresponding to the position of the limiting ring (7), the inside of the semicircular groove (8) is slidably provided with an arc-shaped top plate (9), and the arc-shaped top plate (9) is in abutting engagement with the bottom end of the filter core (4).

4. A high efficiency centrifugal fan as claimed in claim 3, wherein: The bottom end of the semicircular groove (8) is fixedly provided with a telescopic rod (10), the telescopic end of the telescopic rod (10) is fixedly connected with the arc-shaped top plate (9), the outer side of the telescopic rod (10) is sleeved with a first spring (11), one end of the first spring (11) is fixedly connected with the arc-shaped top plate (9), and the other end of the first spring (11) is fixedly connected with the bottom end of the semicircular groove (8).

5. A high efficiency centrifugal fan as claimed in claim 1, wherein: The rotating connection position of the semicircular baffle (6) and the baffle groove (5) is fixedly connected with a torsion spring.

6. A high efficiency centrifugal fan as claimed in claim 1, wherein: The end position of the baffle groove (5) corresponding to the semicircular baffle (6) is provided with a rectangular groove (12), the inside of the rectangular groove (12) is limitingly and slidably provided with a clamping block (13), the top end of the clamping block (13) is provided as an inclined surface, the end of the semicircular baffle (6) is provided with a clamping port (14), and the clamping block (13) is clamped and matched with the clamping port (14).

7. A high efficiency centrifugal fan as claimed in claim 6, wherein: The inside of the rectangular groove (12) is fixedly connected with a second spring (15), the other end of the second spring (15) is fixedly connected with the clamping block (13), the side wall of the filter sleeve (2) is provided with a communication groove (16), the inside of the communication groove (16) is slidably provided with a push plate (17), and the push plate (17) is fixedly connected with the clamping block (13).

8. A high efficiency centrifugal fan as claimed in claim 1, wherein: The inside of the semicircular baffle (6) is fixedly connected with an arc-shaped plate (18), the upper end surface of the filter core (4) is provided with an arc-shaped groove (19), and the arc-shaped plate (18) is inserted and matched with the arc-shaped groove (19).

9. A high efficiency centrifugal fan as claimed in claim 1, wherein: The inside of the ventilator body (1) is rotatably provided with a fan (20), and the side wall of the ventilator body (1) is fixedly provided with a motor (21), and the output shaft of the motor (21) is fixedly connected with the fan (20).

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