CN216281599U

CN216281599U - Filter screen for range hood

Info

Publication number: CN216281599U
Application number: CN202122562272.9U
Authority: CN
Inventors: 陈银娟
Original assignee: Shanghai Biguan Purification Equipment Co ltd
Current assignee: Shanghai Biguan Purification Equipment Co ltd
Priority date: 2021-10-23
Filing date: 2021-10-23
Publication date: 2022-04-12
Anticipated expiration: 2031-10-23

Abstract

The utility model relates to a filter screen for lampblack absorber relates to the field of filter screen structure, and it is including installing in the installing frame of lampblack absorber inner chamber, be provided with the filter assembly who is used for filtering the oil smoke on the installing frame, filter assembly includes the condensation plate that a plurality of dislocation intervals set up, adjacent two it has the clearance that supplies the flue gas to pass through to reserve between the condensation plate, adjacent two be provided with the filter screen that is located the clearance position between the condensation plate, be provided with the connecting piece between filter screen and the condensation plate. According to the oil drop separator, a structure of the condensing plate and the filter screen is used for replacing a conventional filter screen, so that the contact area between high-temperature oil drops and the filter screen structure in the cooking process is increased, the condensation junction of the high-temperature oil drops is accelerated, and the separation efficiency of the oil drops and smoke is effectively improved; meanwhile, the condensation adhesion of oil drops in the inner cavity of the range hood and the exhaust pipeline is reduced, and the cleaning difficulty is reduced.

Description

Filter screen for range hood

Technical Field

The application relates to the field of filter screen structures, in particular to a filter screen for a range hood.

Background

The range hood is a kitchen appliance for purifying a kitchen environment, is generally arranged above a kitchen stove, can quickly pump smoke dust flying out in the combustion process of the stove and oil smoke generated in the cooking process away to the outside, has the effects of purifying air and reducing pollution, and also has the safety guarantee effects of gas defense, explosion prevention and the like.

Most of range hoods operate, a motor drives a wind wheel to rotate at a high speed, so that air pressure difference is generated between an air inlet and an air outlet of the range hood, and oil smoke can rotate together with air in an inner cavity of the range hood and is exhausted outdoors at an accelerated speed. Meanwhile, in the process of discharging the oil smoke, part of high-temperature oil particles in the oil smoke are thrown onto the filter screen under the action of centrifugal force of the wind wheel, the high-temperature oil particles are condensed into liquid drops when meeting the condensation, and then the liquid drops flow back to the oil collecting device under the action of gravity so as to realize the separation of the oil drops and the smoke.

Aiming at the related technologies, the inventor thinks that most of the existing range hoods filter the oil smoke through the conventional filter screen, and in the process of oil smoke discharge, the conventional filter screen has limited condensation separation effect on oil drops and the smoke, so that part of oil drop particles are sucked into the inner cavity of the range hood and then attached to the wall of the inner cavity and the wall of a pipeline of the range hood, and the cleaning difficulty is increased. In the past, after too much oil drops are adhered to the wall of the pipeline, the purification effect of the range hood can be influenced, so that the oil smoke in the cooking process cannot be well discharged, and the kitchen environment is influenced.

SUMMERY OF THE UTILITY MODEL

In order to promote the lampblack absorber and in the purification and separation effect of exhaust process high temperature oil drop and flue gas, this application provides a filter screen for lampblack absorber.

The application provides a filter screen for lampblack absorber adopts following technical scheme:

the utility model provides a filter screen for lampblack absorber, is including installing in the installing frame of lampblack absorber inner chamber, be provided with the filtering component who is used for filtering the oil smoke on the installing frame, filtering component includes the condensation plate that a plurality of dislocation intervals set up, adjacent two it has the clearance that supplies the flue gas to pass through to reserve between the condensation plate, adjacent two be provided with the filter screen that is located the clearance position between the condensation plate, be provided with the connecting piece between filter screen and the condensation plate.

Through adopting above-mentioned technical scheme, the utility model provides a pair of filter screen for lampblack absorber adopts the condensing panel and the filter screen that a plurality of dislocation intervals set up, replaces conventional lampblack absorber filter screen structure, and in lampblack absorber working process, high temperature oil drips and meets the condensation and form the liquid drop after striking on the condensing panel under the effect of wind wheel suction. A gap is reserved between the adjacent condensing plates, a filter screen is arranged at the gap, and smoke in the cooking process is discharged to the outside through the filter screen. Through the arrangement, on one hand, the condensation plate is arranged, so that the contact area between the high-temperature oil drops and the filtering assembly in the rising process is enlarged, the condensation of the high-temperature oil drops can be further accelerated, and the separation effect of the oil drops and the flue gas is improved; the flue gas is discharged through the gaps between the condensing plates, and the purification efficiency of the range hood on the flue gas is not influenced. On the other hand, the condensing panel that a plurality of intervals set up will drip the separation in filtering component's the outside, and then has reduced oil gas and has adhered to at the condensation of lampblack absorber inner chamber and exhaust duct, has reduced the washing degree of difficulty of lampblack absorber.

Optionally, the condensing plate is a wavy plate, and the wavy ridge on the condensing plate is arranged along the direction of free flow of oil drops on the condensing plate.

By adopting the technical scheme, the condensing plate is arranged into the wave-shaped plate, so that on one hand, the surface area of the condensing plate can be increased, the contact area of high-temperature oil drops and the filter screen is further increased, and the condensing effect of the high-temperature oil drops is improved; on the other hand, after the condensing plate is arranged into the wave-shaped plate, condensed oil drops can flow on the condensing plate conveniently and can be collected into the oil collecting device.

Optionally, an oil drainage layer is arranged at a position of the trough on the condensation plate.

Through adopting above-mentioned technical scheme, high temperature oil drips can flow to the trough position from the crest position after condensing on the condensing plate, then along trough position downflow collect to the collection oil device in at last, through setting up the oil drainage layer in the trough position, can reduce the adhesive force between oil drip and the condensing plate, the flow of the liquid drop of being convenient for more on the condensing plate, and then reduce oil and drip the adnexed on the condensing plate, reduce the abluent degree of difficulty of condensing plate.

Optionally, the connecting piece includes the holder of one side joint on the filter screen, the one side that the filter screen was kept away from to the holder is connected with the condensing plate.

Through adopting above-mentioned technical scheme, realize being connected between filter screen and the condensing plate through the holder, fix the filter screen between two adjacent condensing plates then, block the clearance between two condensing plates.

Optionally, clamping grooves are formed in the two sides of the clamping piece along the length direction, and the condensing plate and the filter screen are respectively inserted into the clamping grooves in one side.

Through adopting above-mentioned technical scheme, be connected through the mode of pegging graft between holder and condensing panel and the filter screen, simple structure, be convenient for installation and dismantlement.

Optionally, one end of the filtering component is provided with a sealing edge sleeve, a mounting groove is formed in the sealing edge sleeve, and one ends of the condensing plate and the filter screen are inserted into the mounting groove.

Through adopting above-mentioned technical scheme, set up the banding cover in the one end of condenser plate, be fixed in the one end of condenser plate and filter screen through the banding cover, prevent to take place relative slip between a plurality of condenser plates and the filter screen, increase the stability of connecting between filtering component's the part. On the other hand, the condensation plate is fixed through the edge sealing sleeve, and then the condensation plate is conveniently connected with the mounting frame.

Optionally, the inner side wall of the mounting frame is provided with a limiting groove, the filtering assembly is inserted into the limiting groove, and the groove bottom of the limiting groove close to one side of the bottom of the mounting frame is provided with an oil leakage hole.

Through adopting above-mentioned technical scheme, peg graft in the spacing groove on the installing frame during filtering component installation, cooperation through the spacing groove with filtering component fixed mounting on the installing frame, the oil that condenses on the condensing plate drips and flows out from the oil leak hole after flowing down to the spacing groove and get into in the oil collecting device.

Optionally, an elastic abutting part is arranged at the bottom of the limiting groove and is located on one side, far away from the oil leakage hole, of the mounting frame; when the filtering component is inserted into the limiting groove, one end of the filtering component is abutted against the elastic abutting-connection piece, and the elastic abutting-connection piece is in a compressed state.

Through adopting above-mentioned technical scheme, after filtering component installs on the installing frame, still have certain clearance between the tank bottom of the both ends of condensing plate and spacing groove, through setting up elasticity butt piece, elasticity butt piece can provide the pressure processing filtering component butt after the compression, and then fixes filtering component on the installing frame, avoids filtering component to produce and rocks.

In summary, the present application includes at least one of the following beneficial technical effects:

1. in the application, a structure of the condensing plate and the filter screen is used for replacing a conventional filter screen, so that the contact area between the high-temperature oil drops and the filter screen assembly in the rising process is enlarged, the condensation of the high-temperature oil drops can be further accelerated, and the separation effect of the oil drops and smoke is improved; the flue gas is discharged through the gaps between the condensing plates, and the purification efficiency of the range hood on the flue gas is not influenced. On the other hand, the oil drops are blocked outside the filter screen by the plurality of condensation plates arranged at intervals, so that the condensation and adhesion of oil gas in the inner cavity of the range hood and an exhaust pipeline are reduced, and the cleaning difficulty of the range hood is reduced;

2. in this application, set up the condensing plate into the wave, increased the surface area of condensing plate, can further increase the rising in-process of high temperature oil gas and filtering component's contactable area for the condensation of high temperature oil drop. Meanwhile, condensed liquid drops can flow on the condensing plate conveniently and enter the lower oil collecting device;

3. through trough position sets up oil drainage layer on the condensing plate, reduced the oil and dripped the adhesive force between trough position and condensing plate, the reinforcing oil drips the mobility on the condensing plate, has reduced the surface that oil drips and adheres to at the condensing plate.

Drawings

Fig. 1 is an overall structure schematic diagram of a filter screen for a range hood according to an embodiment of the present application.

Fig. 2 is a schematic view of the filter assembly of fig. 1.

Fig. 3 is a schematic view of the connection structure of the condensation plate and the filter screen in fig. 2.

Fig. 4 is an enlarged schematic view of a portion a in fig. 3, and is mainly used for showing the structure of the connecting member.

Fig. 5 is a cross-sectional view of the mounting frame of fig. 1.

Description of reference numerals: 1. installing a frame; 11. a limiting groove; 12. an oil leak hole; 2. a filter assembly; 21. a condensing plate; 211. dredging an oil layer; 22. filtering with a screen; 23. a connecting member; 3. and (7) sealing the edge sleeve.

Detailed Description

The present application is described in further detail below with reference to figures 1-5.

The embodiment of the application discloses filter screen for lampblack absorber.

Referring to fig. 1, the filter screen for a range hood includes a mounting frame 1, and a filter assembly 2 mounted inside the mounting frame 1. The mounting frame 1 is mounted in the inner cavity of the range hood; the filtering component 2 comprises a plurality of condensing plates 21 which are arranged at intervals in a staggered mode, a gap for smoke to pass through is reserved between every two adjacent condensing plates 21, a filter screen 22 is installed on the gap, and the oil smoke passing through the gap is filtered through the filter screen 22.

Referring to fig. 2, the condensing plate 21 is a wave-shaped plate to increase the contact area between the high-temperature oil drops and the filter screen 22 structure, which is more favorable for the coagulation of the high-temperature oil drops. The plurality of condensation plates 21 are arranged in a staggered and spaced manner, and a gap for smoke to pass through is formed between two adjacent condensation plates 21 due to the staggered arrangement, and a filter screen 22 is arranged at the gap for filtering the oil smoke. The filter screen 22 is fixedly connected with the two condensation plates 21 at two sides through a connecting piece 23. The upper end of the filtering component 2 is also provided with an edge sealing sleeve 3, and the edge sealing sleeve 3 is made of flexible materials such as rubber and can be bent. The shape of the edge sealing sleeve 3 corresponds to that of the filtering component 2, and the whole edge sealing sleeve is wavy. The mounting groove has been seted up to one side of banding cover 3, and the condenser plate 21 and the one end of filter screen 22 are all pegged graft in the mounting groove and rely on frictional force and banding cover 3 fixed connection. After all the condensing plates 21 and the filter screens 22 are assembled in sequence, the edge sealing sleeve 3 is nested at one end of the condensing plates, and all the condensing plates 21 and the filter screens 22 are further fixed through the edge sealing sleeve 3, so that mutual offset is avoided.

Referring to fig. 3 and 4, the connecting member 23 has a structure with two opposite side slots, the two opposite sides of the connecting member 23 are both provided with a clamping slot, and the condensing plate 21 and the filter screen 22 are respectively clamped in the clamping slot on one side. The plurality of condensing plates 21 and the screen 22 are sequentially connected by a connecting member 23.

In order to make the condensing plate 21 play the better effect of condensing oil and dripping, the wave trough position coating on one side of condensing plate 21 and oil smoke direct contact has the oily layer 211 cladding of one deck hydrophobic, and the adhesive force of oleophobic layer 211 and oil dripping between is less, and oil dripping is difficult to be attached to on the oily layer 211, can flow away from oily layer 211 fast under the action of gravity. High-temperature oil drops collide with the condensing plate 21 and then are condensed into oil drops, the oil drops on the condensing plate 21 gradually flow and collect to the wave trough position on the condensing plate 21, then flow downwards along the wave trough under the action of gravity, and finally collect to an oil collecting device below the range hood.

Referring to fig. 5, in order to facilitate the installation of the filter assembly 2 on the installation frame 1, the inner sides of the upper and lower sides of the installation frame 1 are provided with limiting grooves 11, the shape of the limiting grooves 11 is consistent with the shape of the end face of the filter assembly 2, and the whole filter assembly is wavy and corresponds to the filter assembly 2. During installation, the filtering component 2 is inserted into the limiting groove 11. In order to stably mount the filter assembly 2 on the mounting frame 1, a set of elastic abutting members (not shown in the figure) is fixed at the bottom of the limiting groove 11 on the upper side of the mounting frame 1, the elastic abutting members are uniformly distributed in the limiting groove 11, and the elastic expansion direction of the elastic abutting members is perpendicular to the side wall of the mounting frame 1 on the side where the elastic abutting members are located. In-process in pegging graft spacing frame with filtering component 2, the upper end of filtering component 2 can compress the elasticity butt piece, and after filtering component 2 installation was accomplished, the elasticity butt piece is whole to be the compression and changes the state, and then supports filtering component 2 tightly on installing frame 1, avoids filtering component 2 to rock on installing frame 1. The elastic abutment member is a spring in this embodiment.

Referring to fig. 1, in order to enable oil drops condensed on the condensation plate 21 to smoothly flow into an oil collecting device of the range hood, a plurality of oil leaking holes 12 are further formed in a frame at the bottom of the mounting frame 1, the oil leaking holes 12 correspond to wave trough positions of the condensation plate 21, and the oil drops flowing down from the condensation plate 21 finally enter the oil collecting device of the range hood through the oil leaking holes 12.

The implementation principle of the filter screen for the range hood in the embodiment of the application is as follows: the embodiment of this application adopts the structure of condensing panel 21 plus filter screen 22 to replace conventional filter screen, and the filter assembly 2 who comprises condensing panel 21 and filter screen 22 installs in the inboard of installing frame 1, then installs the inner chamber at the lampblack absorber with installing frame 1. The oil fume generated during cooking rises under the action of the wind wheel of the range hood, high-temperature oil drops collide the condensing plate 21 in the rising process, then the oil drops are condensed into oil drops and flow downwards along the condensing plate 21, and finally the oil drops are collected into an oil collecting device of the range hood; the flue gas passes through the screen 22 of the filter assembly 2 and is then discharged to the outside of the room via the exhaust duct. Compare in conventional filter screen structure, the filter screen for lampblack absorber that this application embodiment provided, high temperature oil drips and filter screen subassembly 2's area of contact is bigger, is favorable to condensing of high temperature oil drip more, can effectively promote the separation effect of oil drip and flue gas. On the other hand, through filter assembly 2 with most high temperature oil drips condense in the condensing panel 21 outside, reduced the oil gas in lampblack absorber inner chamber and the exhaust pipe condense adhere to, reduced the abluent degree of difficulty of lampblack absorber.

The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.

Claims

1. The utility model provides a filter screen for lampblack absorber which characterized in that: including installing in installing frame (1) of lampblack absorber inner chamber, be provided with filtering component (2) that are used for filtering the oil smoke on installing frame (1), filtering component (2) are including condensing plate (21) that a plurality of dislocation intervals set up, adjacent two it has the clearance that supplies the flue gas to pass through to reserve between condensing plate (21), adjacent two be provided with between condensing plate (21) and be located clearance position's filter screen (22), be provided with connecting piece (23) between filter screen (22) and condensing plate (21).

2. The filter screen for the range hood according to claim 1, wherein: the condensing plate (21) is a wave-shaped plate, and the wavy ridge on the condensing plate (21) is arranged along the direction of free flow of oil drops on the condensing plate (21).

3. The filter screen for the range hood according to claim 2, wherein: the wave trough position on the condensing plate (21) is provided with an oil drainage layer (211).

4. The filter screen for the range hood according to claim 1, wherein: the connecting piece (23) comprises a clamping piece which is clamped on the filter screen (22) at one side, and one side, away from the filter screen (22), of the clamping piece is connected with the condensing plate (21).

5. The filter screen for the range hood according to claim 4, wherein: clamping grooves are formed in the two sides of the clamping piece along the length direction, and the condensing plate (21) and the filter screen (22) are respectively inserted into the clamping grooves in one side.

6. The filter screen for the range hood according to claim 5, wherein: one end of the filtering component (2) is provided with a sealing edge sleeve (3), a mounting groove is formed in the sealing edge sleeve (3), and one ends of the condensing plate (21) and the filter screen (22) are inserted into the mounting groove.

7. The filter screen for the range hood according to claim 1, wherein: the oil filter is characterized in that a limiting groove (11) is formed in the inner side wall of the mounting frame (1), the filter assembly (2) is inserted into the limiting groove (11), and an oil leakage hole (12) is formed in the groove bottom, close to the limiting groove (11) on one side of the bottom of the mounting frame (1).

8. The filter screen for the range hood according to claim 7, wherein: an elastic abutting part is arranged at the bottom of the limiting groove (11) and is positioned on one side, far away from the oil leakage hole (12), of the mounting frame (1); when the filtering component (2) is inserted into the limiting groove (11), one end of the filtering component is abutted against the elastic abutting part, and the elastic abutting part is in a compressed state.