CN219570966U - Fully-sealed flue check valve - Google Patents

Abstract

The utility model discloses a fully-sealed flue check valve, which comprises a base, wherein the base is arranged on a wall surface, a connecting pipe is arranged in the middle of the base, the connecting pipe is connected with one end of a main reducing pipe which is horizontally arranged, the other end of the main reducing pipe is connected with a reducing pipe, and the reducing pipe is connected with a smoke exhaust pipe of a range hood; a wind shielding ring is arranged in the main reducer pipe, the top of the wind shielding ring is rotationally connected with a wind shielding plate, and the wind shielding plate can rotate upwards or downwards to open or close an opening on the wind shielding ring. 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 radial wind of the main reducer pipe, only 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 a hole on the wind shield ring, the sealing performance is better, and radial wind is prevented from being poured into a flue from a gap existing between the wind shield and an opening after the wind shield is sealed.

Description

Fully-sealed flue check valve

Technical Field

The utility model relates to the technical field of ventilation equipment, in particular to a fully-sealed flue check valve.

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 fully-sealed flue 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 resisted and the transmission of peculiar smell cannot be resisted.

The fully-sealed flue check valve comprises a base, wherein the base is arranged on a wall surface, a connecting pipe is arranged in the middle of the base and is connected with one end of a main reducing pipe which is horizontally arranged, the other end of the main reducing pipe is connected with a reducing pipe, and the reducing pipe is connected with a smoke exhaust pipe of a range hood; a wind shielding ring is arranged in the main reducer pipe, the top of the wind shielding ring is rotationally connected with a wind shielding plate, and the wind shielding plate can rotate upwards or downwards to open or close an opening on the wind shielding ring.

Further, a reinforcing rib is arranged on one side face, close to the wall, of the base, and the reinforcing rib is arranged in a honeycomb mode.

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

Further, the first sliding groove and the second sliding groove are both L-shaped.

Further, a flange is circumferentially arranged on the outer side of the middle of the main reducer pipe.

Further, the flange bottom is provided with the mounting groove, the mounting groove is used for fixed mounting spirit level.

Further, the wind shield comprises a first plate body, a second plate body and a sealing ring; the top of the first plate body is provided with a connecting shaft, the top of the wind shield ring is symmetrically provided with a connecting pair, and the connecting pair is used for being connected with the connecting shaft; the novel sealing ring is characterized in that a slot is formed in the first plate body, a protrusion is arranged on the second plate body, the first plate body is connected with the second plate body through the slot and the protrusion, and the sealing ring is arranged between the first plate body and the second plate body.

Further, the slots comprise a first slot and a second slot arranged outside the first slot; the protrusions comprise a first protrusion matched with the first slot and a second protrusion matched with the second slot; the inner contour of the sealing ring is matched with the contour of the outer wall of the second slot.

Further, the device also comprises a first magnet and a second magnet; the first magnet is arranged at the bottom of one side surface of the wind shield away from the reducer pipe; the second magnet is arranged at the bottom of the wind shielding ring.

Further, the top of the wind shielding ring is inclined to one side close to the reducer pipe, and the top of the wind shielding ring is closer to the reducer pipe than the bottom of the wind shielding ring.

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 sealing performance 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.

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 a reducer pipe according to an embodiment of the present utility model;

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

FIG. 9 is a schematic view of a first plate structure according to an embodiment of the present utility model;

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

FIG. 11 is a schematic diagram illustrating connection between a first plate and a second plate according to an embodiment of the present utility model;

fig. 12 is a schematic view of a seal ring according to an embodiment of the utility model.

Reference numerals illustrate:

1. a base; 11. reinforcing ribs; 12. a connecting pipe; 13. a second connection post; 2. a main reducer pipe; 21. a first chute; 22. a second chute; 23. a flange; 24. a mounting groove; 25. a wind shielding ring; 251. a connection pair; 3. a reducer pipe; 31. a first connection post; 4. a wind shielding sheet; 41. a first plate body; 411. a first slot; 412. a second slot; 413. a connecting shaft; 42. a second plate body; 421. a first positioning protrusion; 422. a second positioning protrusion; 43. a seal ring; 51. a first magnet; 52. 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.

A fully sealed flue check valve as shown in fig. 1-3 comprises a base 1, a main reducer pipe 2, a reducer pipe 3 and a wind deflector 4; the base 1 is square as shown in fig. 3, the base 1 is closely attached to a wall provided with smoke outlets, holes are formed in four corners of the base 1 and used for screws to pass through and fix the base 1 on the wall through the screws; the middle part of the base 1 is provided with a connecting pipe 12, the connecting pipe 12 is connected with one end of a main reducer pipe 2 which is horizontally arranged, and one end of the main reducer pipe 2 is connected with a reducer pipe 3; the inside fixedly connected with deep bead 25 of main reducing pipe 2, the top that deep bead 25 is kept away from reducing pipe 3 one side rotates and is connected with windshield 4, and windshield 4 can upwards rotate or downwards rotate, opens or seals the opening in the middle part of deep bead 25. Preferably, a side surface of the base 1, which is close to the wall, is provided with a reinforcing rib 11, and the reinforcing rib 11 is arranged in a honeycomb shape.

As shown in fig. 2-8, two first sliding grooves 21 are formed in the inner wall of one end of the main reducer pipe 2, two second sliding grooves 22 are formed in the outer wall of the other end of the main reducer pipe, and the first sliding grooves 21 and the second sliding grooves 22 are all L-shaped. The two first sliding grooves 21 on the main reducer pipe 2 are arranged in a central symmetry mode, and the two second sliding grooves 22 are arranged in a central symmetry mode; two first connecting columns 31 are arranged on the outer side of the reducer pipe 3 in a central symmetry mode, and the first connecting columns 31 are used for being matched with the first sliding grooves 21 to connect the reducer pipe 3 with the main reducer pipe 2; two second connecting columns 13 are arranged on the inner side of the connecting pipe 12 on the base 1 in a central symmetry mode, and the second connecting columns 13 are used for being matched with the second sliding grooves 22 to connect the base 1 with the main reducer pipe 2; the outer diameter of one end of the reducer pipe 3 far away from the main reducer pipe 2 is matched with the inner diameter of a smoke outlet pipe of the range hood, and is used for being inserted into the opening of the smoke outlet pipe and connected with the smoke outlet pipe; the outer side of the middle part of the main reducer pipe 2 is circumferentially provided with a flange 23, the bottom of the flange 23 is provided with a mounting groove 24, the mounting groove 24 is used for mounting a level, and the level is used for a better mounting device. A side surface of the base 1 far away from the main reducer pipe 2 is provided with reinforcing ribs 11, and the reinforcing ribs 11 are distributed in a honeycomb shape.

As shown in fig. 8 to 12, the weather strip 4 includes a first plate 41, a second plate 42, and a seal ring 43 mounted between the first plate 41 and the second plate 42.

A slot is formed in one side surface of the first plate body 41, and a protrusion matched with the slot is formed in one side surface of the second plate body 42; after the protrusions are connected with the slots, the protrusions are fixed by ultrasonic welding, so that the first plate 41 and the second plate 42 are connected; after the first plate 41 and the second plate 42 are connected, a groove is formed between the outer edge of the second plate 42 and the first plate 41; the inner contour of the sealing ring 43 is matched with the contour of the outer wall of the slot on the first plate body 41; the sealing ring 43 is sleeved outside the slot before the first plate 41 is connected with the second plate 42, and is fixed at the groove through the connection and extrusion of the first plate 41 and the second plate 42; the width of the groove is adapted to the thickness of the sealing ring 43 or is slightly smaller than the thickness of the sealing ring 43, so that the sealing ring 43 is clamped by the first plate 41 and the second plate 42. Preferably, the slots include a first slot 411 and a second slot 412; the first slot 411 is circular, the second slot 412 is arranged outside the first slot 411, and the inner contour of the sealing ring 43 is matched with the outer wall contour of the second slot 412; the protrusions include a first protrusion 421 shape-fitted to the first slot 411 and a second protrusion 422 shape-fitted to the second slot 412; the first protrusion 421 and the second protrusion 412 are inserted into the first slot 411 and the second slot 412 to be positioned, so that the installation of the windshield 4 is completed better.

The first plate 41 is rotatably connected with the top of the wind deflector 25; the top of the first plate body 41 is provided with a connecting shaft 413, the top of one side surface of the wind deflector 25, which is far away from the reducer pipe 3, is extended with two connecting pairs 251, and the two connecting pairs 251 are symmetrically arranged; the connecting pair 251 is provided with a clamping groove for connecting with one end of the connecting shaft 413; the connection pair 251 and the connection shaft 413 are used for rotational connection of the first plate 41 and the wind deflector 25, so that the first plate 41 can be rotated upward or downward with the linear position of the connection shaft 413 as a rotational axis.

The outer contour of the other side surface of the second plate body 42 is matched with the inner contour of the opening of the wind shielding ring 25, and can be inserted into the opening of the wind shielding ring 25; the peripheral side surface of the second plate body 42 far away from one side of the first plate body 41 is obliquely arranged or rounded to be in transition, so that the second plate body 42 can be better inserted into the opening in the middle of the wind shielding ring 25, and the opening can be conveniently plugged.

The bottom of one side surface of the first plate body 41 far away from the second plate body 42 is provided with a first magnet 51, and the lower part of the wind shield 25 is provided with a second magnet 52; the first magnet 51 and the second magnet 52 are used for increasing magnetic force action on the basis of automatically rotating downwards to seal the hole in the middle of the wind shielding ring 25 under the action of gravity after the wind shielding plate 4 rotates upwards, so that the opening is automatically sealed better. Preferably, the top of the wind shielding ring 25 is inclined towards one end close to the reducer pipe 3, and the bottom of the inclined wind shielding ring 25 is closer to the base 1 than the top, and the top of the inclined wind shielding ring 25 is closer to the reducer pipe 3 than the bottom, so that the wind shielding ring 25 better closes the opening in the middle of the wind shielding ring 25 under the action of gravity and magnetic force; preferably, the angle between the wind shielding piece 4 and the horizontal plane is 30-45 degrees.

In this embodiment, the windshield 4 is connected with the deep bead 25 that sets up in main reducing pipe 2, set up the windshield 4 in main reducing pipe 2, main reducing pipe 2 can withstand the radial wind of main reducing pipe 2 for only there is the axial wind of main reducing pipe 2 in the main reducing pipe 2, deep bead 25 and main reducing pipe 2 inner wall fixed connection, the hole on the closed deep bead 25 of windshield 4, the seal is better, avoided the windshield 4 to seal the back, radial wind is from the gap filling flue that windshield 4 and opening part exist, simultaneously, the afferent of peculiar smell that prevents that can be better.

The wind shield 4 is of a split type design, all parts of the wind shield 4 can be manufactured independently, and the manufacturing process is simple; meanwhile, the sealing ring 43 is clamped by the first plate 41 and the second plate 42, so that the fixing is reliable and the falling off is not easy; the second plate 42 can be inserted into the opening of the wind shielding ring 25, so that the blocking effect is good, the contact time between the sealing ring 43 and the air flow in the flue can be reduced, the corrosion of the sealing ring 43 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 flue check valve is characterized by comprising a base (1), wherein the base (1) is arranged on a wall surface, a connecting pipe (12) is arranged in the middle of the base (1), the connecting pipe (12) is connected with one end of a main reducing pipe (2) which is horizontally arranged, the other end of the main reducing pipe (2) is connected with a reducing pipe (3), and the reducing pipe (3) is connected with a smoke exhaust pipe of a range hood; a wind shielding ring (25) is arranged in the main reducer pipe (2), the top of the wind shielding ring (25) is rotationally connected with a wind shielding plate (4), the wind shielding plate (4) can rotate upwards or downwards, and an opening on the wind shielding ring (25) is opened or closed.

2. The fully-sealed flue check valve according to claim 1, wherein a side surface of the base (1) close to a wall is provided with reinforcing ribs (11), and the reinforcing ribs (11) are arranged in a honeycomb shape.

3. The fully sealed flue check valve according to claim 1, wherein a first chute (21) is arranged at the inner wall of one end of the main reducer pipe (2), and a second chute (22) is arranged at the outer wall of the other end; a first connecting column (31) is radially arranged on the outer side of the reducer pipe (3) and is used for being matched with the first sliding groove (21) to connect the reducer pipe (3) with the main reducer pipe (2); the connecting pipe (12) is radially provided with a second connecting column (13) at the inner wall for being matched with the second sliding groove (22) to connect the main reducer pipe (2) with the base (1).

4. A fully sealed flue check valve according to claim 3, wherein the first runner (21) and the second runner (22) are both L-shaped.

5. A fully sealed flue check valve according to claim 1, characterized in that the outer side of the middle part of the main reducer pipe (2) is circumferentially provided with a flange (23).

6. A fully sealed flue check valve according to claim 5, characterised in that the flange (23) is provided with a mounting groove (24) at the bottom, the mounting groove (24) being used for mounting a level.

7. A fully sealed flue check valve according to claim 1, wherein the windscreen (4) comprises a first plate (41), a second plate (42) and a sealing ring (43); a connecting shaft (413) is arranged at the top of the first plate body (41), a connecting pair (251) is symmetrically arranged at the top of the wind shielding ring (25), and the connecting pair (251) is used for being connected with the connecting shaft (413); the novel sealing device is characterized in that a slot is formed in the first plate body (41), a protrusion is arranged on the second plate body (42), the first plate body (41) is connected with the second plate body (42) through the slot and the protrusion, and the sealing ring (43) is installed between the first plate body (41) and the second plate body (42).

8. The fully sealed flue check valve according to claim 7, wherein the slots include a first slot (411) and a second slot (412) disposed outside the first slot (411); the protrusions comprise a first protrusion (421) adapted to the first slot (411) and a second protrusion (422) adapted to the second slot (412); the inner contour of the sealing ring (43) is matched with the outer wall contour of the second slot (412).

9. A fully sealed flue check valve according to claim 1, further comprising a first magnet (51) and a second magnet (52); the first magnet (51) is arranged at the bottom of one side surface of the wind shield (4) far away from the reducer pipe (3); the second magnet (52) is mounted at the bottom of the wind deflector (25).

10. A fully sealed flue check valve according to claim 1, characterised in that the top of the wind deflector (25) is inclined to the side close to the reducer pipe (3), the top of the wind deflector (25) being closer to the reducer pipe (3) than the bottom of the wind deflector (25).