CN2542958Y

CN2542958Y - Multi-functional blowing kitchen ventilator

Info

Publication number: CN2542958Y
Application number: CN 02214436
Authority: CN
Inventors: 邓国瑞
Original assignee: Individual
Current assignee: Individual
Priority date: 2002-04-28
Filing date: 2002-04-28
Publication date: 2003-04-02
Anticipated expiration: 2012-04-28

Abstract

The utility model discloses a blast multi-functional lampblack absorber, which comprises a fan, a smoke cover, a vent-pipe and a filter net. The smoke cover is divided into three cavity bodies by clapboard, wherein, one side of the clapboard is an intake cavity, an intake pipe is arranged on a side board of the intake cavity, the other side of the clapboard is an exhaust cavity, the top board of which is provided with an exhaust pipe, a tee is arranged between the two clapboards, two ends of a cross pipe on the tee is communicated with the exhaust cavity and the intake cavity, the section of the two ends of the cross pipe on the tee is smaller than that of the exhaust cavity and the intake cavity, the two ends of the cross pipe on the tee is communicated with the exhaust pipe and the intake pipe, and the lower end of a vertical pipe on the tee is arranged on a through hole of a soleplate. The airflow caused by the fan speeds up when passing the tee to make air pressure in a tee pipe lower than the external atmospheric pressure, at the moment, the lampblack is automatically absorbed into the tee pipe. Therefore, the lampblack absorber is not only simple in structure but also convenient in assembly and able to keep the fan clean for a long time.

Description

Blowing-type multifunctional ceiling lampblack absorber

Technical field

The utility model belongs to the multi-functional thin lampblack absorber of a kind of blowing-type.

Background technology

Range hood is an essential exhaust equipment in the kitchen at present, the oil smoke that it can produce when cooking is got rid of outdoor, but the oil smoke of getting rid of must enter blast pipe then through blower fan to be got rid of outdoor, therefore blower fan is also just dirty very fast, need often to clean, for address the above problem the patent No. for the patent disclosure of " 9822713.7 " a kind of jet induced range hood, this range hood utilizes the jet inductive technology, blower fan is fixed on the body of wall, also be fixed on petticoat pipe on the body of wall again, and make the outlet of tubaeform rubber interface alignment blower fan, ejector is contained on the tubaeform rubber interface, and smoke exhaust pipe is contained on the ejector, utilizes ejector that oil smoke is directly sucked smoke exhaust pipe like this, avoided blower fan to contact with oil smoke, though the range hood of this structure has solved the problem that blower fan exempts to clean, because the structure of this patent is a separation type, blower fan and petticoat pipe need to install separately, therefore installation process is comparatively loaded down with trivial details, and structure is not compact.

Summary of the invention

The purpose of this utility model is to provide a kind of compact conformation, easy for installation, and utilizes the negative pressure in the three-way pipe that oil smoke is discharged outdoor blowing-type multifunctional ceiling lampblack absorber.

The utility model is achieved through the following technical solutions: a kind of blowing-type multifunctional ceiling lampblack absorber, comprise blower fan, petticoat pipe, blast pipe and screen pack, wherein blower fan is contained in the petticoat pipe, then the air inlet pipe on the petticoat pipe is corresponding with the blower fan position, be positioned on the top board of blower fan top petticoat pipe smoke exhaust pipe is housed, screen pack is contained in and enters mouth portion on the petticoat pipe base plate, petticoat pipe is divided into three cavitys by dividing plate with it, one side of its median septum is an inlet chamber, on the side plate of inlet chamber air inlet pipe is housed, the opposite side of dividing plate is a discharge chamber, on the top board of discharge chamber blast pipe is housed, between two dividing plates threeway is housed, the two-port of threeway upper lateral tube and discharge chamber, inlet chamber communicates, the cross section of the two-port of threeway upper lateral tube is less than the horizontal stroke of discharge chamber and inlet chamber, and the two-port of threeway upper lateral tube communicates with blast pipe and air inlet pipe respectively, and the lower port of threeway upper riser is contained in the through hole on the base plate.

Be provided with support in the inlet chamber, blower fan is contained on the support, and blower fan is corresponding with the air inlet pipe position.

One port of above-mentioned threeway upper lateral tube communicates with blast pipe by the discharge chamber of sealing, and the another port of threeway upper lateral tube communicates with air inlet pipe by the inlet chamber of sealing.

One port of above-mentioned threeway upper lateral tube is connected with blast pipe by the one section airduct that is positioned at discharge chamber, the another port of threeway upper lateral tube is connected with air inlet pipe by the one section airduct that is positioned at inlet chamber, and the internal diameter of airduct is greater than the internal diameter of threeway upper lateral tube two-port.

Range hood of the present utility model is the principle according to Bernoulli equation in the hydrodynamics, the blower fan of range hood is installed in a side in the inlet chamber, and threeway is housed also between the dividing plate in petticoat pipe, air velocity was accelerated when therefore the air-flow that produces when blower fan passed through threeway, make the air pressure in the three-way pipe be lower than external atmosphere pressure, this moment, oil smoke just can be sucked in the three-way pipe automatically, entering blast pipe through discharge chamber then discharges outdoor, so blower fan can not touch oil smoke in the process of smoke evacuation, can be placed on the body of wall because of the inlet of admission line again or on the window and place outdoorly, can take a breath again in the time of mist extractor.Therefore this range hood compact conformation not only, and easy for installation also can keep the cleaning of blower fan for a long time.

Description of drawings

Fig. 1 is the structural representation of embodiment 1;

Fig. 2 is the structural representation of embodiment 2.

The specific embodiment

Embodiment 1: as shown in the figure, range hood of the present utility model is made up of blast pipe 2, petticoat pipe 1, dividing plate 4,6, threeway 14, blower fan 8 and air inlet pipe 10, above-mentioned petticoat pipe 1 is divided into three cavitys by dividing plate 4,6 with it, the right side of dividing plate 6 is an inlet chamber 15, right part place in the inlet chamber 15 is provided with support 7, and blower fan 8 is housed on the support 7, with blower fan 8 position opposite positions one through hole is arranged on side plate 9, air inlet pipe 10 is equipped with at the through hole position, and a port of air inlet pipe 10 communicates with inlet chamber 15.The left side of dividing plate 4 is a discharge chamber 16, on the top board 3 on discharge chamber 16 tops blast pipe 2 is housed, and the air inlet of blast pipe 2 communicates with discharge chamber 16.Between dividing plate 4,6, threeway 14 is housed, the two-port of threeway 14 upper lateral tubes 5 is installed on respectively on the dividing plate 4,6, wherein left port communicates with discharge chamber 16, and right output port communicates with inlet chamber 15, and the lower port of threeway 14 upper risers 13 is contained on the base plate 11 and with the external world and communicates.Be positioned on the base plate 11 and screen pack 12 also be housed with the lower port seat corresponding position of standpipe 13.

Embodiment 2: the structure of the structure of present embodiment and embodiment 1 is basic identical, its difference is that inlet chamber 15 is built-in with one section airduct 17, discharge chamber 16 is built-in with one section 18, wherein a port of airduct 17 is connected with support 7, the another port is connected with the right output port of transverse tube 5, one port of airduct 18 is connected with the air inlet of blast pipe 2, and the another port is connected with the right output port of transverse tube 5.

This enforcement can also place the outside of range hood with novel blower fan, and communicates with inlet chamber by air inlet pipe.Above-mentioned inlet chamber can also be positioned at the left side of dividing plate 4, and discharge chamber is positioned at the right side of dividing plate 6.

During work, crossing inlet chamber 15 by the air communication of blower fan 8 generations enters in the transverse tube 5, by transverse tube 5 time, must accelerate because of the out-of-date speed of the less air communication of the caliber of transverse tube 5, this moment, transverse tube 5 internal pressures were lower than external atmosphere pressure, so oil smoke just can be sucked by the lower port of standpipe 13, the oil smoke that sucks enters discharge chamber 16 through the left-half of transverse tube 5, discharges outdoor by the blast pipe 2 of discharge chamber 16 tops again.

Claims

1, a kind of blowing-type multifunctional ceiling lampblack absorber, comprise blower fan, petticoat pipe, blast pipe and screen pack, wherein blower fan is contained in the petticoat pipe, then the air inlet pipe on the petticoat pipe is corresponding with the blower fan position, be positioned on the top board of blower fan top petticoat pipe smoke exhaust pipe is housed, screen pack is contained in and enters mouth portion on the petticoat pipe base plate, it is characterized in that: petticoat pipe is divided into three cavitys by dividing plate with it, one side of its median septum is an inlet chamber, on the side plate of inlet chamber air inlet pipe is housed, the opposite side of dividing plate is a discharge chamber, on the top board of discharge chamber blast pipe is housed, and between two dividing plates threeway is housed, the two-port of threeway upper lateral tube and discharge chamber, inlet chamber communicates, the cross section of the two-port of threeway upper lateral tube is less than the horizontal stroke of discharge chamber and inlet chamber, and the two-port of threeway upper lateral tube communicates with blast pipe and air inlet pipe respectively, and the lower port of threeway upper riser is contained in the through hole on the base plate.

2, blowing-type multifunctional ceiling lampblack absorber according to claim 1, it is characterized in that: be provided with support in the inlet chamber, blower fan is contained on the support, and blower fan is corresponding with the air inlet of air inlet pipe.

3, blowing-type multifunctional ceiling lampblack absorber according to claim 1 is characterized in that: a port of above-mentioned threeway upper lateral tube communicates with blast pipe by the discharge chamber of sealing, and the another port of threeway upper lateral tube communicates with air inlet pipe by the inlet chamber of sealing.

4, blowing-type multifunctional ceiling lampblack absorber according to claim 1, it is characterized in that: a port of above-mentioned threeway upper lateral tube is connected with blast pipe by the one section airduct that is positioned at discharge chamber, the another port of threeway upper lateral tube is connected with air inlet pipe by the one section airduct that is positioned at inlet chamber, and the internal diameter of airduct is greater than the internal diameter of threeway upper lateral tube two-port.