CN219242245U

CN219242245U - Centrifugal fan convenient to maintain

Info

Publication number: CN219242245U
Application number: CN202223517847.6U
Authority: CN
Inventors: 陈文慧
Original assignee: Shanghai Muxun Machinery Equipment Co ltd
Current assignee: Shanghai Muxun Machinery Equipment Co ltd
Priority date: 2022-12-28
Filing date: 2022-12-28
Publication date: 2023-06-23
Anticipated expiration: 2032-12-28

Abstract

The utility model discloses a centrifugal fan convenient to maintain, and relates to the technical field of centrifugal fan tools. According to the utility model, through the cooperation arrangement between the fan body and the filter screen, a constructor can connect the filter screen card in the fan body, the constructor opens the fan body, the fan body can suck outside air into the fan body to be discharged, impurities in the air can be adsorbed on the outer surface of the filter screen, the constructor dismantles the filter screen to clean the impurities, the constructor is facilitated to filter dust impurities generated by the fan body, the dust impurities are prevented from entering the fan body, and the fan body is damaged.

Description

Centrifugal fan convenient to maintain

Technical Field

The utility model relates to the technical field of centrifugal fan tools, in particular to a centrifugal fan convenient to maintain.

Background

The centrifugal fan is a machine which increases the pressure of gas and discharges the gas by means of input mechanical energy, is a driven fluid machine, and is widely used for ventilation, dust discharge and cooling of factories, mines, tunnels, cooling towers, vehicles, ships and buildings; ventilation and induced draft of boilers and industrial kilns; cooling and ventilation in air-conditioning devices and household appliances; drying and selecting grains; the utility model provides a wind-tunnel wind regime and inflatable and impel etc. of air cushion ship, when constructor uses centrifugal fan to exhaust the work, the dust impurity in the air can adsorb centrifugal fan's inside, and dust impurity clearance is unlikely to cause the damage to centrifugal fan to when overhauling centrifugal fan, need dismantle centrifugal fan, make constructor maintenance very inconvenient, consequently need a convenient centrifugal fan of maintenance.

Chinese patent publication No. CN211874822U discloses a casing for centrifugal fan, relates to fan accessory, and aim at solving the fan blade and because the fan casing inner space is little and inconvenient problem of maintaining when installation maintenance, its technical scheme main points are: the utility model can take out the centrifugal fan blade from the shell when the centrifugal fan blade is replaced by the arrangement of the fixed disc, the installation of the fixed disc is convenient, the assembly and maintenance of the centrifugal fan are convenient, the structure is optimized in the aspect of the assembly of the centrifugal fan, but no innovation is provided in the aspects of magazine dust cleaning and the maintenance of the centrifugal fan which are generated when the centrifugal fan works, so that constructors are inconvenient to maintain the centrifugal fan in specific environments.

In view of the above, propose a centrifugal fan of convenient maintenance and solve above problem, constructor is favorable to constructor to filter the dust impurity that the fan body produced, prevents that dust impurity from entering into the inside of fan body, makes the fan body impaired to be favorable to improving constructor to the maintenance efficiency of fan body, the maintenance is more convenient fast, has saved operating procedure, labour saving and time saving more.

Disclosure of Invention

Aiming at the problem in practical application, the utility model aims to provide a centrifugal fan convenient to maintain, and the specific scheme is as follows:

the utility model provides a centrifugal fan convenient to maintain, includes the joint at the inside detachable fan body of base subassembly, the inner wall joint of fan body has detachable filter screen, one side of fan body upper surface has detachable access panel subassembly through bolted connection, the opposite side of fan body upper surface has detachable exhaust subassembly through bolted connection;

the base assembly comprises a bottom plate, a support column and a limiting plate;

the access panel assembly comprises a bearing plate, a folding plate, a bolt, a return spring, a sliding block and a handle;

the exhaust assembly comprises a mounting plate, a fine net, a connecting plate and an exhaust pipe.

Further, ventilation holes capable of ventilating are formed in the inner side wall of the fan body, the filter screen is in through connection with the inside of the ventilation holes, one side of the filter screen is provided with a clamping bolt, and the clamping bolt penetrates through one end of the filter screen to penetrate through threads in the fan body.

Further, the pillar fixed connection is in one side of bottom plate upper surface, the lower fixed surface of limiting plate is connected the top of pillar, one side of limiting plate is equipped with stop bolt, stop bolt runs through the one end screw thread of limiting plate wears to establish the inside of fan body.

Further, the folding plate and the sliding block are both clamped on the inner wall of the bearing plate, one side of the folding plate is fixedly connected with one side of the sliding block, the handle is fixedly connected with the middle part of the upper surface of the bearing plate, and an anti-slip mat is arranged in the middle of the outer surface of the handle.

Further, the bolt joint is in the inner wall of accepting the board, reset spring cup joints the surface of bolt, reset spring's bottom fixed connection is in accept the upper surface of board.

Further, the top end of the reset spring is fixedly connected to the outer surface of the bolt, and a pull ring capable of being pulled is arranged at the top end of the bolt.

Further, the fine net is fixedly connected to the inner bottom wall of the mounting plate, and the exhaust pipe is connected to the middle of the upper surface of the connecting plate in a penetrating manner.

Further, a tight supporting bolt is arranged on one side of the upper surface of the connecting plate, and penetrates through one end of the connecting plate and penetrates through the inside of the mounting plate through threads.

Compared with the prior art, the utility model has the following beneficial effects:

(1) Through the cooperation setting between fan body and the filter screen, constructor can connect the filter screen card in the inside of fan body, and constructor opens the fan body, and the fan body can inhale outside air to inside exhaust, and impurity in the air can adsorb the surface at the filter screen, and constructor dismantles the filter screen and clear up impurity, is favorable to constructor to filter the dust impurity that the fan body produced, is favorable to preventing that dust impurity from entering into the inside of fan body, makes the fan body impaired;

(2) Through the matching arrangement among the bearing plate, the folding plate and the sliding block, when a constructor needs to maintain the fan body, the bearing plate is arranged on the upper surface of the fan body, so when the constructor slides the sliding block, the sliding block can drive the folding plate to move to one side, after the fan body is moved, a notch is formed, constructors maintain the internal instrument element through the notch, maintenance efficiency of the constructors on the fan body is improved, maintenance is faster and more convenient, operation steps are saved, and time and labor are saved.

Drawings

FIG. 1 is an overall schematic of an embodiment of the present utility model;

FIG. 2 is an exploded view of the present utility model;

FIG. 3 is a schematic view of an access panel assembly according to the present utility model;

FIG. 4 is a schematic view of a ventilating assembly according to the present utility model.

Reference numerals: 1. a base assembly; 101. a bottom plate; 102. a support post; 103. a limiting plate; 2. a fan body; 3. a filter screen; 4. an access panel assembly; 401. a receiving plate; 402. a folding plate; 403. a plug pin; 404. a return spring; 405. a slide block; 406. a handle; 5. an exhaust assembly; 501. a mounting plate; 502. fine net; 503. a connecting plate; 504. an exhaust pipe; 6. and (3) a vent hole.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments.

As shown in FIG. 1, a centrifugal fan convenient to maintain, including joint at the inside detachable fan body 2 of base subassembly 1, in one possible embodiment, pillar 102 fixed connection is in one side of bottom plate 101 upper surface, the lower fixed surface of limiting plate 103 connects on the top of pillar 102, one side of limiting plate 103 is equipped with stop bolt, stop bolt runs through the one end screw thread of limiting plate 103 and wears to establish in the inside of fan body 2, bottom plate 101 has played good accepting effect, and can carry out good accepting to fan body 2 through pillar 102 and limiting plate 103, prevent that fan body 2 from appearing rocking the condition in the in-process of using, the limiting effect is better, the supporting effect of base subassembly 1 is better, therefore, the stability of fan body 2 use has been improved.

The centrifugal fan is known to be capable of extracting and conveying air in the using process, but impurity dust in the air is inconvenient to filter, the centrifugal fan can be influenced, internal parts are damaged, and therefore normal use of the centrifugal fan is influenced.

In order to solve the problem, in the application, the inner wall joint of fan body 2 has detachable filter screen 3, as shown in fig. 1, fig. 4, concrete, ventilation hole 6 that can ventilate has been seted up to the inside wall of fan body 2, filter screen 3 and the inside through connection of ventilation hole 6, consequently, the wind of extraction can enter into the inside of fan body 2 from ventilation hole 6 through filter screen 3, accomplish the pumping to the wind, one side of filter screen 3 is equipped with the clamping bolt, the one end screw thread that the clamping bolt runs through filter screen 3 wears to establish in the inside of fan body 2, constructor can pass through the clamping bolt with filter screen 3 and install in the inside of fan body 2, be convenient for constructor dismantles, clear up dust and impurity adsorbed at filter screen 3 surface, consequently, reached the purpose that filters the impurity dust that produces fan body 2 during operation.

The main aim at of this application is solved when overhauling centrifugal fan, need dismantle centrifugal fan, makes constructor maintenance very inconvenient problem, and for this, the improvement technical scheme that this application provided is as follows specifically:

one side of fan body 2 upper surface is through bolted connection has detachable access panel subassembly 4, as shown in fig. 2, fig. 3, specifically, folding plate 402 and slider 405 all joint are at the inner wall of accepting board 401, one side fixed connection of folding plate 402 is in one side of slider 405, handle 406 fixed connection is at the middle part of accepting board 401 upper surface, the middle part of handle 406 surface is equipped with skid-proof slipmat, when the constructor need maintain fan body 2, can grasp me at the surface of handle 406, make folding plate 402 to one side through slider 405, the inside component of fan body 2 can be seen after the removal, the constructor detects maintenance to fan body 2 through the window, it is more convenient to maintain.

In addition, in order to make things convenient for constructor to carry out spacing fixed to opening after detecting maintenance to fan body 2, the bolt 403 joint is at the inner wall of accepting board 401, as shown in fig. 3, specifically, reset spring 404 cup joints the surface at bolt 403, reset spring 404's bottom fixed connection is at the upper surface of accepting board 401, reset spring 404's top fixed connection is at the surface of bolt 403, the top of bolt 403 is equipped with the pull ring of pullable, consequently constructor is after the maintenance, with slider 405 to one side pulling, folding board 402 can be closed, then constructor upwards pulls the pull ring, bolt 403 can support tightly in slider 405's inside under reset spring 404's effect, consequently reached and carried out spacing fixed purpose to the opening after fan body 2 overhauls.

Finally, in order to facilitate the clean wind at the time of exhausting the wind, as shown in fig. 4, the fine net 502 is specifically fixedly connected to the inner bottom wall of the mounting plate 501, the exhaust pipe 504 is connected to the middle of the upper surface of the connecting plate 503 in a penetrating manner, and because the fine net 502 is fixedly connected to the inner bottom wall of the mounting plate 501, when the fan body 2 exhausts the wind, the wind passes through the mounting plate 501 and the fine net 502, and the fine net 502 can filter the fine particles entrained in the wind, thereby achieving the purpose of reducing the fine particles carried by the exhausted wind.

The specific implementation principle of the utility model is as follows: the constructor can open the fan body 2 with the inside of filter screen 3 joint at fan body 2, fan body 2 can inhale outside air to inside exhaust, impurity in the air can adsorb the surface at filter screen 3, the constructor is dismantled filter screen 3 and is cleared up impurity, when the constructor needs to maintain fan body 2, because the upper surface at fan body 2 is installed to the joint board 401, consequently, when constructor slides slider 405, slider 405 can drive folding plate 402 and remove to one side, fan body 2 can produce a breach after removing, the constructor maintains the apparatus component of inside through this breach.

The above description is only a preferred embodiment of the present utility model, and the protection scope of the present utility model is not limited to the above examples, and all technical solutions belonging to the concept of the present utility model belong to the protection scope of the present utility model. It should be noted that modifications and adaptations to the present utility model may occur to one skilled in the art without departing from the principles of the present utility model and are intended to be within the scope of the present utility model.

Claims

1. The utility model provides a centrifugal fan convenient to maintain, includes joint at inside detachable fan body (2) of base subassembly (1), its characterized in that, the inner wall joint of fan body (2) has detachable filter screen (3), one side of fan body (2) upper surface has detachable access panel subassembly (4) through bolted connection, the opposite side of fan body (2) upper surface has detachable exhaust subassembly (5) through bolted connection;

the base assembly (1) comprises a bottom plate (101), a support column (102) and a limiting plate (103);

the access panel assembly (4) comprises a bearing plate (401), a folding plate (402), a bolt (403), a return spring (404), a sliding block (405) and a handle (406);

the exhaust assembly (5) comprises a mounting plate (501), a fine net (502), a connecting plate (503) and an exhaust pipe (504).

2. The centrifugal fan convenient to maintain according to claim 1, wherein a ventilation hole (6) capable of ventilating is formed in the inner side wall of the fan body (2), the filter screen (3) is in through connection with the inside of the ventilation hole (6), one side of the filter screen (3) is provided with a clamping bolt, and one end of the clamping bolt penetrating through the filter screen (3) is threaded through the inside of the fan body (2).

3. The centrifugal fan convenient to maintain according to claim 1, wherein the support column (102) is fixedly connected to one side of the upper surface of the bottom plate (101), the lower surface of the limiting plate (103) is fixedly connected to the top end of the support column (102), one side of the limiting plate (103) is provided with a limiting bolt, and one end of the limiting bolt penetrating through the limiting plate (103) is threaded through the inside of the fan body (2).

4. The centrifugal fan convenient to maintain according to claim 1, wherein the folding plate (402) and the sliding block (405) are both clamped on the inner wall of the bearing plate (401), one side of the folding plate (402) is fixedly connected with one side of the sliding block (405), the handle (406) is fixedly connected with the middle part of the upper surface of the bearing plate (401), and an anti-slip pad capable of preventing slipping is arranged in the middle part of the outer surface of the handle (406).

5. The centrifugal fan convenient to maintain according to claim 1, wherein the plug pins (403) are clamped on the inner wall of the bearing plate (401), the reset springs (404) are sleeved on the outer surface of the plug pins (403), and the bottom ends of the reset springs (404) are fixedly connected to the upper surface of the bearing plate (401).

6. The centrifugal fan convenient to maintain according to claim 1, wherein the top end of the return spring (404) is fixedly connected to the outer surface of the plug pin (403), and a pull ring capable of being pulled is arranged at the top end of the plug pin (403).

7. The centrifugal fan convenient to maintain according to claim 1, wherein the fine net (502) is fixedly connected to the inner bottom wall of the mounting plate (501), and the exhaust pipe (504) is connected to the middle part of the upper surface of the connecting plate (503) in a penetrating manner.

8. The centrifugal fan convenient to maintain according to claim 1, wherein a tightening bolt is arranged on one side of the upper surface of the connecting plate (503), and penetrates through one end of the connecting plate (503) to penetrate through the inside of the mounting plate (501) in a threaded manner.