CN219570967U - Kitchen flue full-sealing odor-proof valve - Google Patents

Abstract

The utility model discloses a fully-sealed odor-proof valve for a kitchen flue, which comprises a base, an inner reducing pipe, a main reducing pipe and a wind shield, wherein the inner reducing pipe is arranged on the base; the base is arranged on the wall surface, and the middle part of the bottom is provided with a mounting hole which penetrates through the base and is communicated with a smoke outlet on the wall surface; the mounting hole is communicated with one end of a main reducer pipe which is horizontally arranged; the other end of the main reducer pipe is connected with an inner reducer pipe; the inner side of the main reducer pipe is provided with a wind shielding ring, and both sides of the wind shielding ring are provided with ventilation holes; the wind shield comprises a first wind shield, a second wind shield, a torsion spring and a rotating shaft; a rotating shaft is arranged on one side surface of the wind shielding ring, which is far away from the inner reducing pipe; the top end of the rotating shaft is connected with the top of the wind deflector far away from one side surface of the inner reducing pipe, and the bottom end of the rotating shaft is connected with the bottom of the wind deflector far away from one side surface of the inner reducing pipe; the first wind shield and the second wind shield are rotationally connected with the rotating shaft; the torsion spring is arranged on the rotating shaft, and two ends of the torsion spring are connected with the first wind deflector and the second wind deflector and used for controlling the first wind deflector and the second wind deflector to seal the ventilation holes on two sides of the wind deflector.

Description

Kitchen flue full-sealing odor-proof valve

Technical Field

The utility model relates to the technical field of automobile manufacturing, in particular to a fully-sealed odor-proof valve for a kitchen flue.

Background

With the development of time, the living standard of people is improved, and the range hood is used as a practical kitchen device and enters thousands of households. In the use of the range hood, the smoke outlet of the range hood cannot be plugged, so that external wind can be caused to flow into the room from the smoke outlet, and if foreign odor exists in the outside, the external wind can be transmitted into the room from the smoke outlet of the range hood, and the indoor environment is influenced.

In the prior art, a baffle is arranged at the smoke outlet and used for blocking external wind or peculiar smell from entering, but a gap exists between the baffle and the smoke outlet, so that radial wind entering from the gap at the smoke outlet cannot be resisted, and meanwhile, the entering of peculiar smell cannot be resisted.

Disclosure of Invention

Therefore, the technical problem to be solved by the utility model is to provide the flue sealing check valve, which solves the problems that in the prior art, gaps exist between a baffle plate at a smoke outlet and the smoke outlet, radial wind at the smoke outlet cannot be prevented from being transmitted from the gaps, and meanwhile, peculiar smell cannot be prevented from being transmitted.

A fully-sealed odor-proof valve for kitchen flues comprises a base, an inner reducer, a main reducer and a wind shield;

the base is arranged on the wall surface, and the middle part of the bottom is provided with a mounting hole which penetrates through the base and is communicated with a smoke outlet on the wall surface; the mounting hole is communicated with one end of a main reducer pipe which is horizontally arranged; the other end of the main reducer pipe is connected with an inner reducer pipe;

a wind shielding ring is arranged on the inner side of the main reducer pipe, and a vent hole is formed in the wind shielding ring;

the wind shield comprises a first wind shield, a second wind shield, a torsion spring and a rotating shaft; a rotating shaft is longitudinally arranged on one side surface of the wind deflector far away from the inner reducing pipe; the top end of the rotating shaft is connected with the top of the wind deflector far away from one side surface of the inner reducing pipe, and the bottom end of the rotating shaft is connected with the bottom of the wind deflector far away from one side surface of the inner reducing pipe; the first wind deflector and the second wind deflector are rotationally connected with the rotating shaft; the rotary shaft is provided with a torsion spring, and two ends of the torsion spring are connected with the first wind deflector and the second wind deflector and used for controlling the first wind deflector and the second wind deflector to seal the ventilation holes on two sides of the wind deflector.

Further, a reinforcing rib is arranged on one side surface of the base, which is far away from the inner reducing pipe, and the reinforcing rib is arranged in a honeycomb shape.

Further, a first sliding groove is formed in the inner wall of one end of the main reducer pipe, and a second sliding groove is formed in the outer wall of the other end of the main reducer pipe; the outer side of the inner reducer pipe is provided with a first connecting column which is used for being matched with the first sliding groove to connect the inner reducer pipe with the main reducer pipe; and a second connecting column is arranged on the inner side of the mounting hole and is used for being matched with the second sliding groove to connect the main reducer pipe with the base.

Further, the device also comprises an outer reducer pipe; a third connecting column is arranged on the inner side of the outer reducing pipe; the outer side of one end of the main reducer pipe, which is provided with the first chute, is provided with a third chute; the third sliding groove is used for being matched with the third connecting column to connect the outer reducer pipe with the main reducer pipe.

Further, the first chute, the second chute and the third chute are all L-shaped.

Further, a flange is circumferentially arranged on the outer side of the middle of the main reducer pipe, and a second mounting groove is formed in the lower portion of the flange and used for mounting the level.

Further, the plug is also included; the top and the bottom of the wind shielding ring are provided with first slots; one end of the plug can be inserted into the first position groove to limit two ends of the rotating shaft, and two sides of the plug are fixedly connected with the wind shielding ring through screws.

Further, third mounting grooves are symmetrically formed in the two side edges of the wind shielding ring, and second magnets are arranged in the third mounting grooves; the first mounting groove is formed in the position, corresponding to the third mounting groove, of the first plate body and the second plate body, and a first magnet is arranged in the first mounting groove.

Further, the top of the wind shielding ring is inclined to one side close to the inner reducing pipe.

Further, the first wind shield comprises a first plate body, a second plate body and a sealing ring;

one side of the first plate body is rotationally connected with the rotating shaft, and a second slot and a third slot are arranged on one side of the first plate body; a second bulge is arranged on one side surface of the second plate body and is matched with the second slot; the sealing ring is provided with a first bulge which is matched with the third slot;

the first bulge is inserted into the third slot; the second bulge on the second plate passes through the middle part of the sealing ring and is inserted into the second slot.

The beneficial effects are that: according to the utility model, the wind shield is connected with the wind shield ring arranged in the main reducer pipe, the wind shield is arranged in the main reducer pipe, the main reducer pipe can resist the radial wind of the main reducer pipe, so that only the axial wind of the main reducer pipe exists in the main reducer pipe, the wind shield ring is fixedly connected with the inner wall of the main reducer pipe, the wind shield seals the hole on the wind shield ring, the tightness is better, the radial wind is prevented from being poured into the flue from the gap existing between the wind shield and the opening after the wind shield is sealed, and meanwhile, the peculiar smell can be better prevented from being transmitted. The wind guard includes first wind guard, second wind guard, pivot and torsion spring, and under torsion spring's effect, the ventilation hole on the shutoff wind guard that first wind guard can rebound with the second wind guard, shutoff effect is better.

Drawings

In order to more clearly illustrate the embodiments of the present utility model or the technical solutions in the prior art, the drawings that are needed in the description of the embodiments or the prior art will be briefly described, and it is obvious that the drawings in the description below are some embodiments of the present utility model, and other drawings can be obtained according to the drawings without inventive effort for a person skilled in the art.

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

FIG. 2 is a rear view of an embodiment of the present utility model;

FIG. 3 is a schematic view of a base structure according to an embodiment of the present utility model;

FIG. 4 is a schematic view of a main reducer pipe according to an embodiment of the present utility model;

FIG. 5 is a front view of a main reducer pipe according to an embodiment of the utility model;

FIG. 6 is a rear view of a main reducer pipe according to an embodiment of the utility model;

FIG. 7 is a schematic view of an inner reducer pipe structure according to an embodiment of the present utility model;

FIG. 8 is a schematic view of an outer reducer pipe structure according to an embodiment of the present utility model;

FIG. 9 is a schematic view of a wind deflector according to an embodiment of the present utility model;

FIG. 10 is a schematic view of a first windshield structure according to an embodiment of the present utility model;

FIG. 11 is a schematic view of a first plate structure according to an embodiment of the present utility model;

FIG. 12 is a schematic view of a second plate structure according to an embodiment of the present utility model;

FIG. 13 is a schematic diagram illustrating the connection between a first plate and a second plate according to an embodiment of the present utility model;

FIG. 14 is a schematic view of a seal ring according to an embodiment of the present utility model;

fig. 15 is a schematic view of a plug structure according to an embodiment of the utility model.

Reference numerals illustrate:

1. a base; 11. a first connection post; 12. reinforcing ribs; 2. a wind deflector; 21. a first wind deflector; 211. a first plate body; 2111. a first mounting groove; 2112. a second slot; 2113. a third slot; 212. a second plate body; 2121. a second protrusion; 2122. a third protrusion; 213. a seal ring; 2131. a first protrusion; 22. a second wind deflector; 23. A rotating shaft; 24. a torsion spring; 3. A main reducer pipe; 31. a wind shielding ring; 311. a first slot; 312. a plug; 32. a first chute; 33. a second chute; 34. a third chute; 35. a flange; 36. a second mounting groove; 37. a third mounting groove; 4. an inner reducer pipe; 41. a second connection post; 5. An outer reducer pipe; 51. a third connecting column; 61. A first magnet; 62. and a second magnet.

Description of the embodiments

The following description of the embodiments of the present utility model will be made apparent and fully in view of the accompanying drawings, in which some, but not all embodiments of the utility model are shown. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

In the description of the present utility model, it should be noted that the directions or positional relationships indicated by the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. are based on the directions or positional relationships shown in the drawings, are merely for convenience of describing the present utility model and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present utility model. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present utility model, it should be noted that, unless explicitly specified and limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be either fixedly connected, detachably connected, or integrally connected, for example; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present utility model will be understood in specific cases by those of ordinary skill in the art.

In addition, the technical features of the different embodiments of the present utility model described below may be combined with each other as long as they do not collide with each other.

The fully sealed odor preventing valve for kitchen flue as shown in fig. 1-15 comprises a main reducer pipe 3, a base 1, an inner reducer pipe 4 and an outer reducer pipe 5. The base 1 is arranged on a wall surface, and one side far away from the wall surface is connected with a main reducer pipe 3 which is horizontally arranged; the inner side of one end of the main reducer pipe 3 far away from the wall surface is connected with an inner reducer pipe 4, and the outer side is connected with an outer reducer pipe 5.

The base 1 is square, and holes are arranged at four corners; the holes at the four corners are used for screws to pass through and vertically fix the base 1 at the position where the smoke outlet is arranged on the wall surface. The middle part of the base 1 is provided with a mounting hole which penetrates through the base 1 and is communicated with a smoke outlet on the wall surface, and the inner wall of the mounting hole is provided with two first connecting columns 11 in a central symmetry mode; the base 1 is provided with the strengthening rib 12 near one side of wall, and the strengthening rib 12 is the honeycomb setting.

Two first sliding grooves 32 are formed in the outer side of one end of the main reducer pipe 3 in a central symmetry mode; the first chute 32 is L-shaped and is used for being matched with the first connecting column 11 to connect the main reducer pipe 3 with the base 1; two second sliding grooves 33 are arranged on the outer side of the other end of the main reducer pipe 3 in a central symmetry mode; the second chute 33 is L-shaped and is used for being matched with two third connecting posts 51 which are arranged on the inner side of the outer reducer pipe 5 in a central symmetry manner to connect the main reducer pipe 3 with the outer reducer pipe 5; the inner side of the main reducer pipe 3 at one end provided with the second sliding groove 33 is also provided with two third sliding grooves 34 in a central symmetry mode; the third sliding groove 34 is L-shaped for being engaged with two second connection posts 41 provided outside the inner reducing pipe 4 in central symmetry, to connect the main reducing pipe 3 with the inner reducing pipe 4.

The inner side of the main reducer pipe 3 is provided with a wind shielding ring 31, the outer edge of the wind shielding ring 31 is tightly attached to the inner wall of the main reducer pipe 3, and ventilation holes are symmetrically formed in two sides of the wind shielding ring 31; a side of the wind deflector 31 remote from the inner reducing pipe 4 or the outer reducing pipe 5 is provided with a wind deflector 2 which can be used to cover and close the ventilation holes.

The outside circumference in the middle part of main reducing pipe 3 is provided with flange 35, and the bottom of flange 35 is provided with second mounting groove 36, and second mounting groove 36 is used for installing the spirit level to be convenient for install the device on the wall through the spirit level better.

The wind deflector 2 comprises a first wind deflector 21, a second wind deflector 22, a rotating shaft 23 and a torsion spring 24; the torsion spring 24, the first wind deflector 21 and the second wind deflector 22 are sleeved on the rotating shaft 23, and two ends of the torsion spring 24 are arranged in clamping grooves on the first wind deflector 21 and the second wind deflector 22; the top end and the bottom end of the rotating shaft 23 are connected with the top and the bottom of one side surface of the wind deflector 31 far away from the outer reducing pipe 5 or the inner reducing pipe 4; the top and the bottom of the wind guard 31 are provided with first slots 311; the first slot 311 is provided with the plug 312, which can cooperate with the first slot 311 to limit the horizontal movement of the end part of the rotating shaft 23, and two sides of the plug 312 can be connected with the wind shield 31 through screws, so as to better fix the rotating shaft 23. The torsion spring 24 is used for controlling the first wind deflector 21 and the second wind deflector 22 to close the ventilation holes on both sides of the wind deflector 31 through elastic force. As shown in fig. 2 and 9, the first air deflector 21 can be rotated to close right or rotated to open the vent hole on the right side, and the second air deflector 22 can be rotated to close left or rotated to open the vent hole on the left side.

The first wind deflector 2 and the second wind deflector 2 are arranged on one side surface far away from the inner reducing pipe 4 or the outer reducing pipe 5, a first installation groove 2111 is arranged on the side surface far away from the rotating shaft 23, and the first installation groove 2111 is used for installing the first magnet 61; the wind deflector 31 is provided with a third mounting groove 37 at the positions corresponding to the first mounting groove 2111 at the two side edges of one side surface far away from the wind deflector 2, and the third mounting groove 37 is used for mounting the second magnet 62; the ventilation holes on the wind shield 31 are better closed by the magnetic force of the first magnet 61 and the second magnet 62.

The first wind deflector 2 has substantially the same structure as the second wind deflector 2 except that the connection with the rotating shaft 23 has a mirror symmetry structure. The first wind deflector 2 includes a first plate body 211, a second plate body 212, and a seal ring 213. One side edge of the first plate 211 is rotatably connected with the rotating shaft 23; a first mounting groove 2111 is formed in one side surface of the first plate body 211, a plurality of second slots 2112 are formed in the other side surface of the first plate body, and a third slot 2113 is formed in the outer side of the second slots 2112; a second protrusion 2121 having an outer diameter adapted to an inner diameter of the second slot 2112 and corresponding in position is provided on one side of the second plate 212, and a third protrusion 2122 adapted to an inner contour of the third slot 2113 is provided outside the second protrusion 2121; a first protrusion 2131 of the sealing ring 213 extends outwardly along the perimeter of the inner contour to mate with a third slot 2113.

The first protrusion 2131 on the sealing ring 213 can be inserted into the third slot 2113, and the sealing ring 213 is connected with the first plate 211 through the first protrusion 2131 and the third slot 2113; the second protrusion 2121 on the second plate 212 can pass through the middle part of the sealing ring 213 and be inserted into the second slot 2112 of the first plate 211, the third protrusion 2122 on the second plate is tightly attached to the inner side edge of the third slot of the first plate, which is close to the second slot 2112, and the second plate 212 is connected with the first plate 211 through the insertion of the protrusion and the slot; and is fixed by ultrasonic welding, and the fixed second plate 212 can fix the sealing ring 213 with the first plate 211. One side of the second plate 212 far away from the first plate 211 can be inserted into the vent hole of the wind shield ring and is sealed by the outer edge of the sealing ring 213 at the edge of the second plate 212; preferably, the second plate 212 is provided with a rounded corner or an inclined corner at the side of the periphery far away from the first plate 211, so that the second plate 212 can be better inserted into the vent hole to better seal the vent hole.

The top of the wind guard ring 31 in the main reducer pipe 3 is obliquely arranged towards one side close to the inner reducer pipe 4 or the outer reducer pipe 5, namely, the top of the wind guard ring 31 is closer to the outer reducer pipe 5 or the inner reducer pipe 4, and the bottom of the wind guard ring 31 is closer to the base 1, so that the wind guard plate 2 can better seal ventilation holes under the action of gravity, and the sealing effect is improved.

In this embodiment, be connected with the deep bead 31 that sets up in main reducing pipe 3 through deep bead 2, set up deep bead 2 in main reducing pipe 3, main reducing pipe 3 can withstand the radial wind of main reducing pipe 3 for only there is the axial wind of main reducing pipe 3 in the main reducing pipe 3, deep bead 31 and main reducing pipe 3 inner wall fixed connection, the ventilation hole on the closed deep bead 31 of deep bead 2, the seal is better, has avoided deep bead 2 to seal the back, and radial wind is poured into the flue from the gap that deep bead 2 and opening part exist, simultaneously, the afferent of peculiar smell that prevents that can be better. The wind guard 2 includes first wind guard 21, second wind guard 22, pivot 23 and torsion spring 24, and under the effect of torsion spring 24, the ventilation hole on the shutoff wind guard 31 can be kick-backed to first wind guard 21 and second wind guard 22, and shutoff effect is better.

The wind shield 2 is of a split type design, all parts of the wind shield 2 can be manufactured independently, and the manufacturing process is simple; meanwhile, the sealing ring 213 is clamped by the first plate 211 and the second plate 212, so that the fixing is reliable and the falling off is not easy; the second plate 212 can be inserted into the opening of the wind shielding ring 31, so that the blocking effect is good, the contact time between the sealing ring 213 and the air flow in the flue can be reduced, the corrosion of the sealing ring 213 is slowed down, and the service time of the device is prolonged.

It is apparent that the above examples are given by way of illustration only and are not limiting of the embodiments. Other variations or modifications of the above teachings will be apparent to those of ordinary skill in the art. It is not necessary here nor is it exhaustive of all embodiments. While still being apparent from variations or modifications that may be made by those skilled in the art are within the scope of the utility model.

Claims (10)

1. The fully-sealed odor-proof valve for the kitchen flue is characterized by comprising a base (1), an inner reducing pipe (4), a main reducing pipe (3) and a wind shield (2);

the base (1) is arranged on the wall surface, and the middle part of the bottom is provided with a mounting hole which penetrates through the base (1) and is communicated with a smoke outlet on the wall surface; the mounting hole is communicated with one end of a main reducer pipe (3) which is horizontally arranged; the other end of the main reducer pipe (3) is connected with an inner reducer pipe (4);

a wind shielding ring (31) is arranged on the inner side of the main reducer pipe (3), and a vent hole is formed in the wind shielding ring (31);

the wind shield (2) comprises a first wind shield (21), a second wind shield (22), a torsion spring (24) and a rotating shaft (23); a rotating shaft (23) is longitudinally arranged on one side surface of the wind shielding ring (31) far away from the inner reducing pipe (4); the first wind deflector (21) and the second wind deflector (22) are rotatably connected with the rotating shaft (23); the rotating shaft (23) is provided with a torsion spring (24), and two ends of the torsion spring (24) are connected with the first wind deflector (21) and the second wind deflector (22) and used for controlling the first wind deflector (21) and the second wind deflector (22) to seal ventilation holes on two sides of the wind deflector (31).

2. The kitchen flue full-sealing odor-preventing valve according to claim 1, wherein a reinforcing rib (12) is arranged on one side surface of the base (1) away from the inner reducing pipe (4), and the reinforcing rib (12) is arranged in a honeycomb shape.

3. The fully sealed odor preventing valve for kitchen flues according to claim 1, wherein a first chute (32) is arranged on the inner wall of one end of the main reducing pipe (3), and a second chute (33) is arranged on the outer wall of the other end of the main reducing pipe; the outer side of the inner reducer pipe (4) is provided with a first connecting column (11) which is used for being matched with the first sliding groove (32) to connect the inner reducer pipe (4) with the main reducer pipe (3); and a second connecting column (41) is arranged on the inner side of the mounting hole and is used for being matched with the second sliding groove (33) to connect the main reducer pipe (3) with the base (1).

4. A kitchen flue fully sealed odour seal according to claim 3, further comprising an outer reducer pipe (5); a third connecting column (51) is arranged on the inner side of the outer reducing pipe (5); a third chute (34) is arranged on the outer side of one end of the main reducer pipe (3) provided with the first chute (32); the third sliding groove (34) is used for being matched with the third connecting column (51) to connect the outer reducer pipe (5) with the main reducer pipe (3).

5. A kitchen flue fully sealed odour seal according to claim 4, wherein the first runner (32), the second runner (33) and the third runner (34) are all L-shaped.

6. The kitchen flue fully-sealed odor-resistant valve according to claim 1, wherein a flange (35) is circumferentially arranged on the outer side of the middle of the main reducing pipe (3), a second mounting groove (36) is formed in the lower portion of the flange (35), and the second mounting groove (36) is used for mounting a level meter.

7. A kitchen flue fully sealed odour seal according to claim 1, further comprising a plug (312); the top and the bottom of the wind shielding ring (31) are provided with first slots (311); one end of the plug (312) can be inserted into the first slot (311) to limit the two end parts of the rotating shaft (23), and two sides of the plug (312) are fixedly connected with the wind shielding ring (31) through screws.

8. A kitchen flue fully sealed odour seal according to claim 1, wherein the top of the wind deflector (31) is inclined to the side close to the inner reducer pipe (4).

9. A kitchen flue fully sealed odour seal according to claim 1, wherein the first wind deflector (21) comprises a first plate body (211), a second plate body (212) and a sealing ring (213);

one side of the first plate body (211) is rotationally connected with the rotating shaft (23), and one side is provided with a second slot (2112) and a third slot (2113) arranged outside the second slot (2112); a second protrusion (2121) is arranged on one side surface of the second plate body (212), and the second protrusion (2121) is matched with the second slot (2112); a first protrusion (2131) matched with the third slot (2113) is arranged on the sealing ring (213);

the first protrusion (2131) is inserted into the third slot (2113); a second projection (2121) on the second plate passes through the middle of the sealing ring (213) and is inserted into a second slot (2112).

10. The fully sealed odor preventing valve for kitchen flues according to claim 9, wherein the third mounting grooves (37) are symmetrically arranged at the two side edges of the wind shielding ring (31), and the second magnet (62) is arranged in the third mounting groove (37); a first mounting groove (2111) is formed in the position, corresponding to the third mounting groove (37), of the first plate body (211) and the second plate body (212), and a first magnet (61) is arranged in the first mounting groove (2111).