CN2489230Y

CN2489230Y - Non-return mouthpiece for removing cooking fume

Info

Publication number: CN2489230Y
Application number: CN 01229086
Authority: CN
Inventors: 李凤来
Original assignee: Individual
Current assignee: Individual
Priority date: 2001-06-22
Filing date: 2001-06-22
Publication date: 2002-05-01
Anticipated expiration: 2011-06-22

Abstract

The utility model relates to an inverted smoke proof check interface, comprising a check valve and a base. The round wind inlet interface of the check valve body takes a shape of a cone table with a big front and small rear; the upward side of the wind inlet interface is provided with a hinge pin which is inserted into the top of a baffle and is rotatablely and dismountablely connected with the baffle; the front end of the base is provided with a square inserting edge which is corresponding to the square box inner mouth of the valve body and the rear end is provided with a connected inserting box to be inserted into the preformed wind channel hole of the building and fixed on the preformed hole through a V-shaped torque spring; the cone-shaped interface is internally provided with a round sealing ring and a permanent magnet along the valve mouth. The utility model has the advantages of inverted smoke proof, odor tainting proof, good check capability, simple and easy mounting, which can be dismounted for cleaning with convenient use and low cost.

Description

Anti-down cigarette non-return mouthpiece

The utility model relates to the matching component of kitchen smoke exhaust ventilator, specifically a kind of anti-down cigarette non-return mouthpiece.

Current society, people pay attention to living environment more, but the kitchen flue falls cigarette, and the problem of taint of odour never is solved, and causes flue gas, peculiar smell to pour in down a chimney, and has a strong impact on living environment.Existing Smoke prevention flowing backward device, the complex structure that has, cost is higher; The non-return bad sealing that has, effect is relatively poor, and the installation difficulty that has is unpicked and washed inconvenience.Prior art has improvement, perfect necessity, increases the new varieties of anti-oil smoke flowing backward device.

The purpose of this utility model provides a kind of improved anti-down cigarette non-return mouthpiece, and the non-return performance of anti-down cigarette, anti-taint of odour is good, installs simple and easyly, can unpick and wash, and easy to use, cost is lower.

The purpose of this utility model is achieved in that

A kind of anti-down cigarette non-return mouthpiece, comprise check (non-return) valve and base, it is characterized in that: check (non-return) valve is made up of valve body and plate washer, the valve body front end has the circular air intake interface that is connected with kitchen smoke exhaust ventilator pipeline, there is the square box of disjunctor the rear end, this circle air intake interface is pre-large post-small frustum shape, above the interior terrace of this air intake interface and the handing-over of this square box, a socket is arranged, the hinge pin that inserts the plate washer top in the open seam of this socket becomes rotatable, the dismountable connection with this plate washer, and this plate washer is with the valve port inverse closing on edge in the circular interface;

The hollow shell-like that communicates before and after base is, its front end has the square box internal orifice of square insert edge and valve body corresponding, and its rear end has the slotting box of disjunctor corresponding with building air channel preformed hole, and the endoporus of this socket is greater than the external diameter of plate washer; This each flexible projection of square insert edge both sides is connected with the dismountable elasticity of the corresponding one-tenth of groove of valve rear end square box both sides inwall, this rear end is inserted the box above and below and respectively is provided with the torsion spring seat, in this torsion spring seat, be set with the V-arrangement torsion spring, after this slotting box inserted building air channel preformed hole, the overhanging frame of the V-arrangement of this torsion spring placed the hole face of this air channel preformed hole and medial surface respectively and described base is positioned this air channel preformed hole.

The purpose of this utility model can also realize by following measure:

Described torsion spring seat is " H " shape through hole that there is projection at two ends, and this torsion spring has long and short two overhanging frames to become angle less than 90 ° V-arrangement.

Circular sealing ring is housed on the valve port on edge in the cone-shaped interface of described check (non-return) valve valve body, and described plate washer contacts with the sealing circle and with the cone-shaped interface inverse closing.

The cross section of described O-ring seal is " H " of two gap shape, and wherein a gap is bonded in the inner side edge edge of cone-shaped interface, and the both sides chimb of another gap contacts the double sealing that forms valve port with plate washer, realizes inverse closing.

Terrace has upper and lower shrinkage pool built-in permanent magnets in the described valve body cone-shaped interface, in the relevant position of described plate washer upper and lower metallic object is housed, and this metallic object and permanent magnetism iron phase are inhaled and constituted the inverse closing of going up plate washer and valve port.

The described metallic object that is contained on the plate washer is the screw that can regulate screw-in length.

The shape of cross section of the slotting box of described base can be rectangle, circle.

The material of described valve body, plate washer, base is engineering plastics; The material of described sealing ring is a heat resistant rubber, heat-resisting flexible plastic.

The utility model has following actively useful effect:

1. it is tapered that this product connects the circular interface of smoke exhaust ventilator, and the wind speed of air draft is accelerated, and reduces pressure, and exhaust resistance is minimum, and favourable oil smoke in time, get rid of completely.

2. the valve port of the check (non-return) valve of this product is provided with cross section and is the double sealing circle of " H " type, and anti-non-return sealing is reliable, and anti-down cigarette, anti-taint of odour performance are good.

3. the valve port of this product check (non-return) valve is provided with permanent magnet, cooperates with the metallic screw of adjustable screw-in amount on the plate washer, strengthens cigarette, the non-return mobile reliability of gas.

4. valve body of this product and base and valve body and plate washer have adopted detachable assembling, thereby can unpick and wash, and be easy to use.

5. the base of this product adopts the torsion spring location structure, simple installation during with building air channel preformed hole plug-in mounting, and the location is reliable, and is convenient to dismounting.

6. this product structure is simple, adopts plastic material, and cost is lower, long service life.

7. no matter new this product building or aging blocks room decoration renovation all can use.

8. the anti-flue gas of this product, anti-peculiar smell pour in down a chimney effectively, and good looking appearance helps to improve living environment.

Now in conjunction with the accompanying drawings:

Fig. 1 is the structural representation of the utility model one embodiment;

Fig. 2 is the side view of Fig. 1;

Fig. 3 is the vertical view of Fig. 1;

Fig. 4 is the A-A cutaway view of Fig. 1;

Fig. 5 is office of the B-B office enlarged drawing of Fig. 1;

Fig. 6 is the assembly exploded view of Fig. 1;

Fig. 7 is the structural representation of V-type torsion spring among Fig. 1.

Accompanying drawing number:

1. valve body

101. air intake interface (cone-shaped interface) 102. valve ports 103. square boxes

104. the groove on the socket 105. open seam 106. square box sidewalls

2. baffle plate

201. top hinge pin 202. metallic objects (metallic screw of adjustable screw-in amount)

3. base

301. square insert edge 302. is inserted box 303. elastic projections

304. the projection of open slot 305. torsion spring seat H shape through holes 306. dress torsion springs

4. V-arrangement torsion spring

5. H RunddichtringO

6. permanent magnet

7. building air channel

Please refer to Fig. 1 figure, Fig. 2, Fig. 3, Fig. 4, Fig. 6, the utility model is a kind of anti-down cigarette non-return mouthpiece, comprise check (non-return) valve and base, check (non-return) valve is made up of valve body 1 and plate washer 2, valve body 4 front ends have the circular air intake interface 101 that is connected with kitchen smoke exhaust ventilator pipeline, there is the square box 103 of disjunctor the rear end, this circle air intake interface 101 is pre-large post-small frustum shape, above the interior terrace that this air intake interface 101 and this square box 103 join, a socket 104 is arranged, the hinge pin 201 that inserts the plate washer top in the open seam 105 of this socket 104 becomes to turn with this plate washer, dismountable connection, this plate washer 2 is with valve port 102 inverse closings on edge in the circular interface;

The hollow shell-like that communicates before and after base 3 is, its front end have square insert edge 301 corresponding with the internal orifice of the square box 103 of valve body 1, and its rear end has the slotting box 302 of disjunctor corresponding with the preformed hole in building air channel 7, and the endoporus of this socket 104 is greater than the external diameter of plate washer 2; This each flexible projection 303 of square insert edge 301 both sides is connected with the dismountable elasticity of groove 106 corresponding one-tenth of valve rear end square box both sides inwall sees Fig. 5, this rear end is inserted box 302 above and below and respectively is provided with torsion spring seat 305, on this torsion spring seat projection, be set with the V-arrangement torsion spring, after this slotting box 302 inserted the preformed hole in building air channels 7, the overhanging frame of the V-arrangement of this V-arrangement torsion spring 4 placed the hole face of this air channel preformed hole and medial surface respectively and with 3 preformed holes that are positioned this air channel 7 in the described end.

Described torsion spring seat 305 has " H " shape through hole of projection for two ends, and this V-type torsion spring 4 has long and short two overhanging frames to become angle less than 90 ° V-arrangement.

During enforcement, circular sealing ring 5 is housed on the valve port on edges in the cone-shaped interface of described check (non-return) valve valve body 1 101, described plate washer 2 contacts with sealing circle 5 and with cone-shaped interface 101 inverse closings.The cross section of described O-ring seal 5 is " H " of two gap shape, and wherein a gap is bonded in the inner side edge edge of cone-shaped interface 101, and the both sides chimb of another gap contacts the double sealing that forms valve port 102 with plate washer 2, realizes inverse closing.

During enforcement, terrace has upper and lower shrinkage pool built-in permanent magnets 6 in the described valve body cone-shaped interface 101, and upper and lower metallic object 202 is housed in the relevant position of described plate washer 2, and this metallic object 202 is inhaled the inverse closing that constitutes plate washer 2 and valve port 102 mutually with permanent magnet 6.The described metallic object 202 that is contained on the plate washer 2 is the screw that can regulate screw-in length.

The shape of cross section of the slotting box 302 of described base 3 can be rectangle, circle.

The material of described valve body 1, plate washer 2, base 3 is engineering plastics; The material of described sealing ring 5 is a heat resistant rubber, heat-resisting flexible plastic etc.

Installation instructions:

1. select base with corresponding this product in hole, air channel.

2. base back surface four limits of this product are evenly smeared 903 wide building glue of 2cm.

3. two V-type springs are adjacent to this product outer wall on one side, together push the hole, the V-type spring is automatic this product of lockover.

4. the exhaust duct of smoke exhaust ventilator and the air inlet of this product are connected and can be used.

Claims

1. anti-down cigarette non-return mouthpiece, comprise check (non-return) valve and base, it is characterized in that: check (non-return) valve is made up of valve body and plate washer, the valve body front end has the circular air intake interface that is connected with kitchen smoke exhaust ventilator pipeline, there is the square box of disjunctor the rear end, this circle air intake interface is pre-large post-small frustum shape, above the interior terrace of this air intake interface and the handing-over of this square box, a socket is arranged, the hinge pin that inserts the plate washer top in the open seam of this socket becomes rotatable, the dismountable connection with this plate washer, and this plate washer is with the valve port inverse closing on edge in the circular interface;

2. anti-down cigarette non-return mouthpiece as claimed in claim 1 is characterized in that: described torsion spring seat is " H " shape through hole that there is projection at two ends, and this torsion spring has long and short two overhanging frames to become angle less than 90 ° V-arrangement.

3. anti-down cigarette non-return mouthpiece as claimed in claim 1 is characterized in that: circular sealing ring is housed on the valve port on edge in the cone-shaped interface of described check (non-return) valve valve body, and described plate washer contacts with the sealing circle and with the cone-shaped interface inverse closing.

4. anti-down cigarette non-return mouthpiece as claimed in claim 2, it is characterized in that: the cross section of described O-ring seal is " H " of two gap shape, wherein a gap is bonded in the inner side edge edge of cone-shaped interface, the both sides chimb of another gap contacts the double sealing that forms valve port with plate washer, realize inverse closing.

5. anti-down cigarette non-return mouthpiece as claimed in claim 1, it is characterized in that: terrace has upper and lower shrinkage pool built-in permanent magnets in the described valve body cone-shaped interface, in the relevant position of described plate washer upper and lower metallic object is housed, this metallic object and permanent magnetism iron phase are inhaled and are constituted the inverse closing of going up plate washer and valve port.

6. anti-down cigarette non-return mouthpiece as claimed in claim 5 is characterized in that: the described metallic object that is contained on the plate washer is the screw that can regulate screw-in length.

7. anti-down cigarette non-return mouthpiece as claimed in claim 1 is characterized in that: the shape of cross section of the slotting box of described base can be rectangle, circle.

8. anti-down cigarette non-return mouthpiece as claimed in claim 1 or 2 is characterized in that: the material of described valve body, plate washer, base is engineering plastics; The material of described sealing ring is a heat resistant rubber, heat-resisting flexible plastic.