Centrifugal fan assembly base

Abstract

The utility model discloses a centrifugal fan assembling base. The centrifugal fan assembling base comprises a base body and a supporting table connected to the base body. A motor is arranged on the seat body, a volute is arranged on the supporting table, a sliding seat is arranged on the volute, a sliding block is arranged at the bottom of the sliding seat, a first groove is formed in the surface of the supporting table, the end of the first groove is communicated with a second groove perpendicular to the first groove, the sliding block is arranged in the first groove, and the sliding block is arranged in the second groove. An impeller is arranged in the volute, a shaft body on the impeller is connected with an output shaft of the motor, and a rear plate assembly is arranged on the back face of the volute. A circular groove allowing a shaft body on the impeller to penetrate through is formed in the middle of the rear plate assembly, and the rear plate assembly is formed by splicing two semicircular plate bodies; the problem that according to an existing fan structure, an impeller on a motor shaft body needs to be detached, then the impeller and a volute are separated, cleaning is convenient, and the operation is very tedious is solved.

Description

Technical Field

[0001] The utility model relates to the field of centrifugal fans, and in particular to an assembly base for a centrifugal fan. Background Art

[0002] A centrifugal fan is a machine that relies on input mechanical energy to increase gas pressure and discharge gas; for example, Chinese patent No. CN201820969441.6 provides a centrifugal fan, including: a machine base, a volute, a motor and an impeller driven by the motor, a horizontal motor is installed on the machine base, the motor shaft extends from the axis of the volute into the vertical volute, and an impeller shaft seat with an impeller is installed at the end of the motor shaft in the volute; a circumferential circulation channel is formed in the volute, and a horn is provided on the other axial end side of the impeller shaft seat shaped air inlet; the machine base is a desktop machine base, the horizontal motor is installed on the upper plane, and the side is fixedly installed with a vertical volute and the three form an integral whole; the outlet of the circulation channel formed in the volute is arranged upward and a connecting flange is arranged at the outlet end; for centrifugal fans such as the above-mentioned prior art, after long-term use, a lot of foreign matter often adheres to the volute and the internal impeller, which needs to be cleaned in time. The existing fan structure requires the impeller on the motor shaft to be disassembled, and then the impeller and the volute are separated for easy cleaning, which is very cumbersome. Utility Model Content

[0003] The utility model aims to provide a centrifugal fan assembly base, which solves the problem of the existing fan structure that the impeller on the motor shaft needs to be disassembled and then the impeller and the volute are separated for easy cleaning, which is very cumbersome.

[0004] In order to achieve the above-mentioned object, the utility model provides a centrifugal fan assembly base, the centrifugal fan assembly base comprises a base body and a support platform connected to the base body;

[0005] The seat body is provided with a motor, the support platform is provided with a volute, the volute is provided with a sliding seat, the bottom of the sliding seat is provided with a slider, the surface of the support platform is provided with a first groove, the end of the first groove is connected with a second groove vertically provided with the first groove, the slider is provided in the first groove, an impeller is provided in the volute, the shaft body on the impeller is connected with the output shaft of the motor, and a rear plate assembly is provided on the back of the volute;

[0006] A circular groove is formed in the middle of the rear plate assembly to allow the shaft body on the impeller to pass through, and the rear plate assembly is composed of two semicircular plate bodies spliced ​​together.

[0007] Preferably, an annular fixing piece is formed on the back side of the volute, and the rear plate assembly is fixed to the annular fixing piece by a first locking screw.

[0008] Preferably, a mounting piece is formed at the contact point of the two semicircular plates, and the two mounting pieces are fixed by a second locking screw.

[0009] Preferably, a locking seat is provided on the support platform, and the sliding seat is fixed on the locking seat by a third locking screw.

[0010] Preferably, a bearing seat is provided on the seat body, a bearing is provided in the bearing seat, and the shaft of the impeller is at least partially rotatably provided in the bearing.

[0011] Preferably, the output shaft of the motor is connected to the shaft of the impeller through a coupling.

[0012] Beneficial effect: The utility model provides a centrifugal fan assembly base, the centrifugal fan assembly base includes a base body and a support platform connected to the base body; a motor is arranged on the base body, a volute is arranged on the support platform, a sliding seat is arranged on the volute, a slider is arranged at the bottom of the sliding seat, a first groove is arranged on the surface of the support platform, the end of the first groove is connected with a second groove arranged perpendicular to the first groove, the slider is arranged in the first groove, an impeller is arranged in the volute, the shaft body on the impeller is connected to the output shaft of the motor, and a rear plate assembly is arranged on the back of the volute; a circular groove is formed in the middle of the rear plate assembly to allow the shaft body on the impeller to pass through, and the rear plate assembly is composed of two semicircular plate bodies spliced ​​together; when it is necessary to clean the volute and the impeller inside, it is only necessary to remove the rear plate assembly behind the volute, displace the volute along the first groove, and then displace it into the second groove, so as to stagger the volute and the impeller, so as to facilitate cleaning them separately, and there is no need to disassemble the impeller and the motor shaft body during the cleaning process, thereby greatly improving the cleaning efficiency.

[0013] Other features and advantages of the present invention will be described in detail in the subsequent specific implementation section. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] The accompanying drawings are used to provide a further understanding of the present invention and constitute a part of the specification. Together with the following specific embodiments, they are used to explain the present invention, but do not constitute a limitation to the present invention. In the accompanying drawings:

[0015] Figure 1 This is a first-view structural diagram of the centrifugal fan assembly base provided by the utility model;

[0016] Figure 2 This is a second perspective structural diagram of the centrifugal fan assembly base provided by the utility model;

[0017] Figure 3It is a side view of the centrifugal fan assembly base provided by the utility model;

[0018] Figure 4 This is a disassembled diagram of the centrifugal fan assembly base provided by the utility model.

[0019] Description of Reference Numerals

[0020] 1-seat body; 2-support platform; 3-second groove; 4-first groove; 5-locking seat; 6-sliding seat; 7-motor; 8-coupling; 9-volute; 10-bearing seat; 11-semicircular plate; 12-mounting plate; 13-annular fixing piece; 14-impeller. DETAILED DESCRIPTION

[0021] The specific implementation of the present invention is described in detail below in conjunction with the accompanying drawings. It should be understood that the specific implementation described here is only used to illustrate and explain the present invention, and is not used to limit the present invention.

[0022] like Figure 1-4 As shown: the utility model provides a centrifugal fan assembly base, which includes a base body 1 and a support platform 2 connected to the base body 1; a motor 7 is arranged on the base body 1, a volute 9 is arranged on the support platform 2, a sliding seat 6 is arranged on the volute 9, a slider is arranged at the bottom of the sliding seat 6, a first groove 4 is arranged on the surface of the support platform 2, the end of the first groove 4 is connected with a second groove 3 arranged perpendicular to the first groove 4, the slider is arranged in the first groove 4, an impeller 14 is arranged in the volute 9, the shaft body on the impeller 14 is connected to the output shaft of the motor 7, and a rear plate assembly is arranged on the back of the volute 9; a circular groove allowing the shaft body on the impeller 14 to pass through is formed in the middle of the rear plate assembly, and the rear plate assembly is composed of two semicircular plate bodies 11 spliced ​​together. When it is necessary to clean the volute and the impeller inside, you only need to remove the rear plate assembly behind the volute, move the volute along the first groove, and then move it into the second groove to stagger the volute and the impeller to facilitate cleaning them separately. During the cleaning process, there is no need to disassemble the impeller and the motor shaft, which greatly improves the cleaning efficiency.

[0023] In a preferred embodiment of the present invention, in order to enable the rear plate assembly to be effectively fixed to the back side of the volute, an annular fixing piece 13 is formed on the back side of the volute 9, and the rear plate assembly is fixed to the annular fixing piece 13 by a first locking screw.

[0024] In a preferred embodiment of the present invention, in order to enable the two semicircular plates to be effectively docked and locked, a mounting piece 12 is formed at the contact point of the two semicircular plates 11, and the two mounting pieces 12 are fixed by a second locking screw.

[0025] In a preferred embodiment of the present invention, in order to effectively lock the sliding seat to prevent it from shaking during normal operation, a locking seat 5 is provided on the support platform 2, and the sliding seat 6 is fixed to the locking seat 5 by a third locking screw.

[0026] In a preferred embodiment of the present invention, in order to effectively support the shaft on the impeller, a bearing seat 10 is provided on the seat body 1, a bearing is provided in the bearing seat 10, and the shaft of the impeller 14 is at least partially rotatably disposed in the bearing.

[0027] In a preferred embodiment of the present invention, in order to facilitate the docking installation of the output shaft of the motor and the shaft of the impeller, the output shaft of the motor 7 is connected to the shaft of the impeller 14 through a coupling 8.

[0028] The preferred embodiments of the present invention are described in detail above in conjunction with the accompanying drawings. However, the present invention is not limited to the specific details in the above embodiments. Within the technical concept of the present invention, the technical solution of the present invention can be subjected to a variety of simple modifications, and these simple modifications all belong to the protection scope of the present invention.

[0029] It should also be noted that the various specific technical features described in the above specific embodiments can be combined in any suitable manner without contradiction. In order to avoid unnecessary repetition, the present utility model will not further describe various possible combinations.

[0030] In addition, various embodiments of the present invention may be arbitrarily combined, and as long as they do not violate the concept of the present invention, they should also be regarded as the contents disclosed by the present invention.

Claims

1. A centrifugal fan assembly base, characterized in that: The centrifugal fan assembly base comprises a base body (1) and a support platform (2) connected to the base body (1); The seat body (1) is provided with a motor (7), the support platform (2) is provided with a volute (9), the volute (9) is provided with a sliding seat (6), the bottom of the sliding seat (6) is provided with a slider, the surface of the support platform (2) is provided with a first groove (4), the end of the first groove (4) is connected with a second groove (3) arranged perpendicular to the first groove (4), the slider is arranged in the first groove (4), an impeller (14) is arranged in the volute (9), the shaft on the impeller (14) is connected to the output shaft of the motor (7), and a rear plate assembly is arranged on the back of the volute (9); A circular groove is formed in the middle of the rear plate assembly to allow the shaft of the impeller (14) to pass through, and the rear plate assembly is composed of two semicircular plate bodies (11) spliced ​​together.

2. The centrifugal fan assembly base according to claim 1, characterized in that: An annular fixing piece (13) is formed on the back side of the volute (9), and the rear plate assembly is fixed on the annular fixing piece (13) by means of a first locking screw.

3. The centrifugal fan assembly base according to claim 2, characterized in that: A mounting piece (12) is formed at the contact point of the two semicircular plates (11), and the two mounting pieces (12) are fixed by a second locking screw.

4. The centrifugal fan assembly base according to claim 3, characterized in that: A locking seat (5) is provided on the support platform (2), and the sliding seat (6) is fixed on the locking seat (5) via a third locking screw.

5. The centrifugal fan assembly base according to claim 4, characterized in that: A bearing seat (10) is arranged on the seat body (1), a bearing is arranged in the bearing seat (10), and the shaft body of the impeller (14) is at least partially rotatably arranged in the bearing.

6. The centrifugal fan assembly base according to claim 5, characterized in that: The output shaft of the motor (7) is connected to the shaft of the impeller (14) via a coupling (8).

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