CN204828079U

CN204828079U - Draught fans filters

Info

Publication number: CN204828079U
Application number: CN201520535414.4U
Authority: CN
Inventors: 周发展; 王金平; 张健
Original assignee: SUZHOU DESHINAI HARDWARE TECHNOLOGY CO LTD
Current assignee: SUZHOU DESHINAI HARDWARE TECHNOLOGY CO LTD
Priority date: 2015-07-22
Filing date: 2015-07-22
Publication date: 2015-12-02
Anticipated expiration: 2025-07-22

Abstract

The utility model provides a draught fans filters, included filter stand, filter core and mount, the filter core is located in crossing the filter stand, be somebody's turn to do the filter stand and be fixed in in the mount, it comprises first, two wire sides of second that can open and shut to cross the filter stand, install between two wire sides the filter core, the both sides frame of mount corresponds the both sides of crossing the filter stand are equipped with the guide rail, supply it inserts and establishes to cross the filter stand, be equipped with on the first wire side and correspond on the side frame of second wire side to one side retractable bolt the bolt is equipped with a first locating hole, bolt and the cooperation of first locating hole are for closure two the wire side, it is equipped with a second locating hole to correspond the bolt on the side frame of mount, the setting is arranged along same straight line one by one to bolt, first locating hole and second locating hole, the bolt with second locating hole cooperation, be used for with it fixes to cross the filter stand in the mount. The utility model discloses simple structure, use cost is lower, and has the convenient advantage of loading and unloading.

Description

Fan filter

Technical Field

The utility model relates to a fan filter for on vehicles such as train, subway, aircraft, this fan filter is a cooling air filter that is used for ventiduct front end air intake.

Background

Many devices are often used on vehicles such as trains, subways and airplanes to ventilate and dissipate heat, and for example, an inverter box is taken as an example, a filter is arranged at an air inlet of a fan of the inverter box and used for filtering foreign matters such as sundries and dust in air and the like which can damage the fan.

The conventional filter has the following problems: 1. the filter element can not be replaced, after the filter is used for a long time, a large amount of sundries and dust are accumulated on the filter element of the filter, the air inlet amount is reduced, the heat dissipation effect is influenced, the problem can be solved only by integrally replacing the filter due to the structural limitation, and the cost is high; 2. the loading and unloading are inconvenient, the existing filter is locked and attached to the air inlet of the fan by screws and is exhausted, the mounting and the dismounting are inconvenient, and the screws are clamped and are difficult to dismount due to long-time use.

Therefore, how to solve the above-mentioned deficiencies of the prior art is a subject to be studied by the present invention.

Disclosure of Invention

The utility model provides a fan filter, its aim at solve current prior art filter core can not change and dismantle inconvenient problem.

In order to achieve the above purpose, the utility model adopts the technical scheme that: a fan filter comprises a filter frame, a filter element and a fixing frame; the filter element is arranged in the filter frame, and the filter frame is fixed in the fixed frame; wherein,

the filter rack is flat and comprises a first net surface and a second net surface which can be opened and closed; an installation space is formed between the two net surfaces and used for installing the filter element;

the fixed frame is fixedly arranged at the air inlet of the fan, the frames at two sides of the fixed frame are provided with guide rails corresponding to two sides of the filter frame, and the distance between the two guide rails is equal to or slightly larger than the width of the filter frame, so that the filter frame is downwards inserted into the fixed frame;

the upper frame of the first net surface of the filter frame is provided with a bolt capable of retracting to one side, and the side frame of the second net surface is provided with a first positioning hole corresponding to the bolt; the bolt is matched with the first positioning hole and used for locking the two net surfaces;

a second positioning hole is formed in one side frame of the fixing frame corresponding to the bolt, and the bolt, the first positioning hole and the second positioning hole are arranged in a sequential manner along the same straight line; the bolt is matched with the second positioning hole and used for fixing the filter frame in the fixing frame.

The relevant content in the above technical solution is explained as follows:

1. in the above scheme, the filter element can use materials of different filtering grades according to the environment requirement.

2. In the above scheme, the bolt is an elastic pin and is inserted into a pin seat on the frame of the first mesh surface, a spring is arranged in the pin seat, the spring is sleeved on the rod body of the bolt and applies a pulling force to the rod body so as to force the bolt to extend out all the time and be positioned in the first positioning hole and the second positioning hole.

3. In the above scheme, the bolt is also provided with a handle end; the corresponding handle end is arranged on the frame of the second net surface, a yielding groove is formed in the frame of the second net surface, the yielding groove is L-shaped and is arranged on two adjacent surfaces of the frame of the second net surface, and a supporting part matched with the handle end is abutted to the positioning part. Through the arrangement of the abdicating groove, an operator can pull the handle end to drive the rod body of the bolt to retract, and the L-shaped structure can position the retraction state of the bolt.

4. In the scheme, a handle is further arranged on the filter rack. Through the arrangement of the handle, after the filter rack and the fixing frame are unlocked, the filter rack can be pulled out of the fixing frame.

5. In the above scheme, the handle is arranged on the upper frame of the first net surface of the filter frame.

The utility model discloses a theory of operation and advantage as follows:

the utility model discloses a fan filter, including filtering frame, filter core and mount, wherein filter the frame and constitute by the first wire side and the second wire side that can open and shut, install the filter core between two wire sides. The filter frame is connected with the fixed frame in a sliding way through guide rails on the frames at the two sides of the fixed frame and is positioned through a bolt. Compared with the prior art, the utility model discloses a filter core can wash and change, therefore the cost is reduced by a wide margin, and owing to filter the sliding assembly structure of frame and mount, consequently has the convenient advantage of loading and unloading, still has advantages such as loss of pressure is little, filtration efficiency is high and maintenance convenience.

Drawings

FIG. 1 is a schematic structural diagram of an embodiment of the present invention;

FIG. 2 is a schematic structural view of the filter frame separated from the fixing frame according to the embodiment of the present invention;

fig. 3 is an exploded view of the filter frame according to the embodiment of the present invention after being opened.

In the above drawings: 1. a filter frame; 2. a filter element; 3. a fixed mount; 4. a first mesh surface; 5. a second web surface; 6. an installation space; 7. a guide rail; 8. a bolt; 9. a first positioning hole; 10. a second positioning hole; 11. a pin boss; 12. a spring; 13. a handle end; 14. a yielding groove; 15. abutting against the positioning part; 16. a handle.

Detailed Description

The invention will be further described with reference to the following drawings and examples:

example (b): referring to fig. 1-3, a fan filter includes a filter frame 1, a filter element 2 and a fixing frame 3; the filter element 2 is arranged in the filter frame 1, and the filter frame 1 is fixed in the fixing frame 3; wherein,

the filter frame 1 is flat and comprises a first net surface 4 and a second net surface 5 which can be opened and closed; an installation space 6 is formed between the two net surfaces 4 and 5 and is used for installing the filter element 2; the filter element 2 can be made of materials with different filtering grades according to the environment requirement.

The fixed frame 3 is fixedly arranged at an air inlet of the fan, frames on two sides of the fixed frame 3 are provided with guide rails 7 corresponding to two sides of the filter frame 1, and the distance between the two guide rails 7 is equal in width or slightly larger than the width of the filter frame 1, so that the filter frame 1 is inserted into the fixed frame 3 downwards;

wherein, the upper frame of the first net surface 4 of the filter frame 1 is provided with a bolt 8 which can retract to one side, and the side frame of the second net surface 5 is provided with a first positioning hole 9 corresponding to the bolt 8; the bolt 8 is matched with the first positioning hole 9 to lock the two net surfaces 4 and 5;

a second positioning hole 10 is formed in a side frame of the fixing frame 3 corresponding to the bolt 8, and the bolt 8, the first positioning hole 9 and the second positioning hole 10 are arranged in sequence along the same straight line; the bolt 8 is matched with the second positioning hole 10 to fix the filter frame 1 in the fixing frame 3.

The bolt 8 is an elastic pin, and is inserted into a pin seat 11 on the frame of the first mesh surface 4, a spring 12 is disposed in the pin seat 11, the spring 12 is sleeved on the rod body of the bolt 8, and applies a pulling force to the rod body to force the bolt 8 to extend out and be positioned in the first positioning hole 9 and the second positioning hole 10 all the time.

The bolt 8 also has a handle end 13; corresponding to the handle end 13, a yielding groove 14 is formed in the frame of the second net surface 5, the yielding groove 14 is L-shaped and is formed in two adjacent surfaces of the frame of the second net surface 5, and a supporting portion 15 matched with the handle end 13 is formed. Through the arrangement of the abdicating groove 14, an operator can pull the handle end 13 to drive the rod body of the bolt 8 to retract, and the L shape can position the retracted state of the bolt 8.

A handle 16 is further arranged on the filter frame 1, and the handle 16 is arranged on the upper frame of the first net surface 4 of the filter frame 1. By means of the handle 16, the filter holder 1 can be pulled out of the fixing frame 3 after the filter holder 1 and the fixing frame 3 are unlocked.

The filter element 2 adopts a fine-pore sponge, and mainly has the functions of separating large solid particles and water drops entering air of the fan, and the large solid particles and the water drops are blocked by the sponge; the first and second wire surfaces 4, 5 of the filter holder 1 are used for blocking large objects.

When filter core 2 used the longer time and need be changed, only need will filter frame 1 and pull down the back from guide rail 7 of mount 3, open two wire side 4, 5 of first, the second of filter frame 1, alright with wash or renew cartridge 2, compare prior art, the utility model discloses it is more economical.

Wherein, the filter element 2 can adopt fireproof materials, thereby improving the safety level. After the filter element 2 is cleaned or replaced, the filter element 2 is firstly arranged in the filter frame 1, the net surface is closed, then the filter frame 1 is arranged in the guide rail 7 of the fixing frame 3 and is fixed through the bolt 8, and then the cleaning of the fan filter or the replacement of the filter element 2 is completed.

The above embodiments are only for illustrating the technical concept and features of the present invention, and the purpose of the embodiments is to enable people skilled in the art to understand the contents of the present invention and to implement the present invention, which cannot limit the protection scope of the present invention. All equivalent changes and modifications made according to the spirit of the present invention should be covered by the protection scope of the present invention.

Claims

1. A fan filter which characterized in that: comprises a filter frame, a filter element and a fixing frame; the filter element is arranged in the filter frame, and the filter frame is fixed in the fixed frame; wherein,

2. The fan filter of claim 1, wherein: the bolt is an elastic pin and is arranged in a pin seat on the frame of the first net surface in a penetrating mode, a spring is arranged in the pin seat and sleeved on a rod body of the bolt, and pulling force is applied to the rod body to force the bolt to extend out all the time and be positioned in the first positioning hole and the second positioning hole.

3. The fan filter of claim 2, wherein: the bolt is also provided with a handle end; the corresponding handle end is arranged on the frame of the second net surface, a yielding groove is formed in the frame of the second net surface, the yielding groove is L-shaped and is arranged on two adjacent surfaces of the frame of the second net surface, and a supporting part matched with the handle end is abutted to the positioning part.

4. The fan filter of claim 1, wherein: and a handle is also arranged on the filter rack.

5. The fan filter of claim 4, wherein: the handle is arranged on the upper frame of the first net surface of the filter frame.