CN220320391U

CN220320391U - Check valve of ventilator

Info

Publication number: CN220320391U
Application number: CN202321396500.2U
Authority: CN
Inventors: 姜裕国; 周德育; 胡仁俊
Original assignee: Longsheng Electric Appliance Co ltd
Current assignee: Longsheng Electric Appliance Co ltd
Priority date: 2023-06-03
Filing date: 2023-06-03
Publication date: 2024-01-09
Anticipated expiration: 2033-06-03

Abstract

The utility model discloses a check valve of a ventilator, and relates to the technical field of check valves. The utility model comprises a ventilator, wherein an air outlet of the ventilator is fixedly connected with a connecting pipeline, and the other end of the connecting pipeline is connected with an exhaust pipe; the inner wall of connecting tube is equipped with the connecting tube, the one end fixedly connected with baffle of blast pipe is kept away from to the connecting tube, the rectangle mouth has been seted up to one side of baffle, the inner wall rotation of rectangle mouth is connected with the rotor plate, and clearance mechanism sets up and is used for clearing up the water stain and the impurity on rotor plate surface in one side of rotor plate. According to the utility model, the connecting cylinder can be limited through the cooperation of the rotating shaft and the sliding groove, then the connecting pipeline and the exhaust pipe are fixed together through the internal spiral ring, meanwhile, the connecting cylinder can be fixed, the rotating plate is convenient to maintain and replace, and the rotating plate can drive the scraping plate to clean the scraping plate while rotating.

Description

Check valve of ventilator

Technical Field

The utility model belongs to the technical field of check valves, and particularly relates to a check valve of a ventilator.

Background

The ventilating fan is an air-conditioning electric appliance which uses a motor to drive a wind wheel to rotate so as to drive air flow and make indoor and outdoor air exchange. The purpose of ventilation is to remove the polluted air in the room and regulate the temperature, humidity and feel effect. The ventilator is widely applied to families and public places.

The utility model with the bulletin number of CN217463340U discloses a flue check valve which is durable, good in sealing performance and wide in application range; the elastic rubber ring is adopted to replace the traditional reset spring, so that the rubber ring is easy to recover after being deformed, has good tightness and has low opening and closing noise; the baffle ring is obliquely arranged on the inner side of the valve body, so that the rubber ring and the baffle sheet can reset by utilizing gravity after being opened, and the whole transverse and longitudinal installation can be adapted; the grooves on the inner side of the rubber ring are convenient for disassembling and replacing the baffle plates; through holes at two ends of the rubber ring and mounting columns at two ends of the cross beam enable the rubber ring to be disassembled and replaced conveniently and rapidly; the positioning groove on the mounting seat and the positioning key on the valve body enable the valve body to be disassembled and assembled conveniently and rapidly.

The check valve also has the following disadvantages when in use: when the check valve is used, air is checked through the baffle, and because the air contains impurities, the check valve is used for a long time, dust is accumulated on the baffle and can affect sealing between the baffle and a pipeline, and the check effect is affected if the check valve is not cleaned for a long time, so that the check valve of the ventilator is provided.

Disclosure of Invention

The utility model aims to provide the check valve of the ventilator, which can limit the connecting cylinder through the cooperation of the rotating shaft and the sliding groove, and then fix the connecting pipeline and the exhaust pipe together through the internal spiral ring, so that the check valve is convenient to install, the connecting cylinder can be fixed, the rotating plate is convenient to maintain and replace, and the rotating plate can drive the scraping plate to clean the rotating plate while rotating, so that the connecting cylinder is kept clean, and the prior art problem is solved.

In order to solve the technical problems, the utility model is realized by the following technical scheme:

a check valve of a ventilator, comprising: the air outlet of the air exchange fan is fixedly connected with a connecting pipeline, and the other end of the connecting pipeline is connected with an exhaust pipe;

the inner wall of the connecting pipeline is provided with a connecting cylinder, one end of the connecting cylinder, which is far away from the exhaust pipe, is fixedly connected with a baffle, one side of the baffle is provided with a rectangular opening, and the inner wall of the rectangular opening is rotationally connected with a rotating plate for stopping air;

the cleaning mechanism is arranged on one side of the rotating plate and used for cleaning water stains and impurities on the surface of the rotating plate, so that the rotating plate is convenient to seal when the rotating plate is closed;

the fixing mechanism is arranged at one end of the connecting cylinder and used for fixing the connecting pipeline and the exhaust pipe, so that the connecting pipe is convenient to install.

Optionally, the clearance mechanism includes two sliding trays of seting up in rotor plate one side, the inner wall slip of sliding tray is equipped with the slip post, two equal fixedly connected with scraper blade in both sides of slip post is located the inboard one side of scraper blade rotates with one side of baffle and is connected with same dwang, and the rotor plate rotates and can drive the dwang and rotate, and the dwang rotates and drives the scraper blade and remove.

Optionally, fixed establishment includes the sealing ring of fixed connection in connecting cylinder one end, the outer wall rotation of sealing ring is connected with interior spiral ring, two internal screw threads that lie in the sealing ring both sides have been seted up to the inner wall of interior spiral ring, the external screw thread that uses with the internal screw thread cooperation has been seted up to the outer wall of connecting tube and blast pipe, can fix connecting tube and blast pipe at the both ends of sealing ring.

Optionally, the outer wall of baffle runs through and is equipped with the axis of rotation, the rotor plate cover is established in the axis of rotation, the spout corresponding with the axis of rotation has been seted up to connecting tube's inner wall, conveniently dismantles the rotor plate, the maintenance of being convenient for.

Optionally, a relief groove corresponding to the rotating plate is formed at the bottom of the rectangular opening, so that the rotating plate and the baffle can be sealed.

Optionally, one side fixedly connected with first fixed block of baffle, keep away from the connecting cylinder one side fixedly connected with two second fixed blocks of scraper blade, the both ends of dwang rotate respectively and connect between one side and two second fixed blocks of first fixed block, make it rotate more smoothly.

The embodiment of the utility model has the following beneficial effects:

according to the utility model, the rotating plate is driven to rotate by the gas through the rotating shaft, the rotating rod can be driven to rotate by the rotating plate, so that the scraping plate can be driven to slide on the rotating plate, dust and water stains on the surface of the rotating plate are cleaned, when the ventilator is closed, the rotating plate rotates downwards under the action of gravity, and the scraping plate is driven to slide on the rotating plate through the rotating rod for cleaning again;

according to the utility model, the connecting pipe and the exhaust pipe can be driven to be mutually separated by rotating the internal spiral ring until the connecting pipe and the exhaust pipe are completely separated from the internal spiral ring, the connecting cylinder is taken out from the connecting pipe, and the rotating shaft is pulled to separate from the rotating plate, so that the rotating plate can be replaced and maintained;

according to the utility model, the connecting cylinder can be limited by matching the rotating shaft with the sliding groove, and then the connecting pipeline and the exhaust pipe are fixed together through the internal spiral ring, so that the connecting cylinder is convenient to install, the connecting cylinder can be fixed, and the rotating plate is convenient to maintain and replace.

Of course, it is not necessary for any one product to practice the utility model to achieve all of the advantages set forth above at the same time.

Drawings

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

FIG. 1 is a schematic three-dimensional structure of an embodiment of the present utility model;

FIG. 2 is a schematic cross-sectional view of a pipeline according to an embodiment of the present utility model;

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

FIG. 4 is a schematic view of the explosive structure of FIG. 2;

FIG. 5 is a schematic cross-sectional view of a screed according to an embodiment of the present utility model;

FIG. 6 is an enlarged view of a portion A according to an embodiment of the present utility model;

fig. 7 is an enlarged view of a B part according to an embodiment of the present utility model.

In the figure: 1. a ventilator; 2. a connecting pipe; 3. an exhaust pipe; 4. a seal ring; 5. an internal spiro ring; 6. a connecting cylinder; 7. a baffle; 8. a rectangular opening; 9. a rotating plate; 10. a first fixed block; 11. a rotating lever; 13. a rotating shaft; 14. a chute; 15. a scraper; 16. a second fixed block; 17. a relief groove; 18. a sliding column; 19. a sliding groove.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. 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 understood that the terms "open," "upper," "middle," "length," "inner," and the like indicate an orientation or a positional relationship, and are merely for convenience of describing the present utility model and simplifying the description, but do not indicate or imply that the components or elements referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus should not be construed as limiting the present utility model.

In order to keep the following description of the embodiments of the present utility model clear and concise, the detailed description of known functions and known components thereof have been omitted.

Example 1

Referring to fig. 1 and 2, in the present embodiment, a check valve of a ventilator is provided, including: the air outlet of the ventilator 1 is fixedly connected with a connecting pipeline 2, and the other end of the connecting pipeline 2 is connected with an exhaust pipe 3;

the inner wall of the connecting pipeline 2 is provided with a connecting cylinder 6, one end of the connecting cylinder 6 far away from the exhaust pipe 3 is fixedly connected with a baffle 7, one side of the baffle 7 is provided with a rectangular opening 8, and the inner wall of the rectangular opening 8 is rotationally connected with a rotating plate 9 for stopping air;

the cleaning mechanism is arranged on one side of the rotating plate 9 and is used for cleaning water stains and impurities on the surface of the rotating plate 9;

the fixed establishment sets up and is used for fixing connecting tube 2 and blast pipe 3 in the one end of connecting tube 6, can clear up the surface of rotor plate 9 through clearance mechanism in the above-mentioned technical scheme, makes it can seal between baffle 7, reaches the non return effect to can be in the same place connecting tube 6, connecting tube 2 and blast pipe 3 through fixed establishment, make its simple to operate.

In one aspect of this embodiment, as shown in fig. 2-7, the cleaning mechanism includes two sliding grooves 19 formed on one side of the rotating plate 9, sliding columns 18 are slidably disposed on the inner wall of the sliding grooves 19, two sides of the two sliding columns 18 are fixedly connected with scraping plates 15, one side of the scraping plate 15 located on the inner side is rotationally connected with the same rotating rod 11 with one side of the baffle 7, and in the above technical scheme, the rotating plate 9 can be driven to rotate by blowing the rotating plate 9, and the rotating rod 11 can be driven to rotate by rotating the rotating plate 9, so that the scraping plates 15 can be driven to slide on the surface of the sliding grooves 19 to clean.

In one aspect of this embodiment, as shown in fig. 2 and 4, the fixing mechanism includes a sealing ring 4 fixedly connected to one end of a connecting tube 6, an inner spiral ring 5 is rotatably connected to an outer wall of the sealing ring 4, two internal threads located on two sides of the sealing ring 4 are provided on an inner wall of the inner spiral ring 5, external threads matched with the internal threads are provided on outer walls of the connecting tube 2 and the exhaust tube 3, and the connecting tube 2 and the exhaust tube 3 can be driven to approach each other by rotating the inner spiral ring 5 in the above technical scheme, so that the connecting tube 6 can be fixed.

In one aspect of this embodiment, as shown in fig. 2 and 4, a first fixing block 10 is fixedly connected to one side of the baffle 7, two second fixing blocks 16 are fixedly connected to one side of the scraper 15 far away from the connecting cylinder 6, two ends of the rotating rod 11 are respectively connected between one side of the first fixing block 10 and the two second fixing blocks 16 in a rotating manner, and in the above technical scheme, the rotating rod 11 can rotate more smoothly through the setting of the first fixing block 10 and the second fixing block 16.

Example two

Improvement on the basis of the first embodiment: in one aspect of this embodiment, as shown in fig. 3 and 5, the outer wall of the baffle 7 is provided with a rotation shaft 13 in a penetrating manner, the rotation plate 9 is sleeved on the rotation shaft 13, and the inner wall of the connecting pipe 2 is provided with a chute 14 corresponding to the rotation shaft 13.

Example III

Improvement on the basis of the first embodiment: in one aspect of the present embodiment, as shown in fig. 2 and 6, the bottom of the rectangular opening 8 is provided with a yielding groove 17 corresponding to the rotating plate 9, and in the above technical solution, the rotating plate 9 can be limited by the yielding groove 17, so that the sealing is convenient.

The technical scheme of the utility model comprises the following use flows and working principles:

when the ventilator 1 is started, the air connecting pipeline 2 in the bathroom can be exhausted, when air passes through the connecting pipeline 2, the rotating plate 9 is driven to rotate by the rotating shaft 13, the rotating plate 9 can rotate to drive the rotating rod 11 to rotate, so that the scraping plate 15 can be driven to slide on the rotating plate 9, dust and water stains on the surface of the rotating plate 9 are cleaned, when the ventilator 1 is closed, the rotating plate 9 rotates downwards under the action of gravity, and the scraping plate 15 is driven to slide on the rotating plate 9 by the rotating rod 11 to clean again;

when the rotating plate 9 needs to be maintained, the inner spiral ring 5 is rotated, the connecting pipeline 2 and the exhaust pipe 3 can be driven to be far away from each other until the connecting pipeline 2 and the exhaust pipe 3 are completely separated from the inner spiral ring 5, the connecting cylinder 6 is taken out from the connecting pipeline 2, the rotating shaft 13 is pulled, and the rotating shaft 13 can be separated from the rotating plate 9, so that the rotating plate 9 can be replaced and maintained.

It should be noted that in the description of the present specification, descriptions such as "first", "second", etc. are merely for distinguishing features, and there is no actual order or sense of orientation, and the present application is not limited thereto.

In the description of the present specification, the descriptions of the terms "one embodiment," "example," "specific example," and the like, mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the present utility model. In this specification, schematic representations of the above terms do not necessarily refer to the same embodiments or examples. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

The preferred embodiments of the utility model disclosed above are intended only to assist in the explanation of the utility model. The preferred embodiments are not exhaustive or to limit the utility model to the precise form disclosed. Obviously, many modifications and variations are possible in light of the above teaching. The embodiments were chosen and described in order to best explain the principles of the utility model and the practical application, to thereby enable others skilled in the art to best understand and utilize the utility model. The utility model is limited only by the claims and the full scope and equivalents thereof.

Claims

1. A check valve of a ventilator, comprising: the air conditioner comprises a ventilator (1), wherein an air outlet of the ventilator (1) is fixedly connected with a connecting pipeline (2), and the other end of the connecting pipeline (2) is connected with an exhaust pipe (3);

the inner wall of the connecting pipeline (2) is provided with a connecting cylinder (6), one end, far away from the exhaust pipe (3), of the connecting cylinder (6) is fixedly connected with a baffle plate (7), one side of the baffle plate (7) is provided with a rectangular opening (8), and the inner wall of the rectangular opening (8) is rotationally connected with a rotating plate (9) for stopping air;

the cleaning mechanism is arranged on one side of the rotating plate (9) and is used for cleaning water stains and impurities on the surface of the rotating plate (9);

the cleaning mechanism comprises two sliding grooves (19) formed in one side of the rotating plate (9), sliding columns (18) are slidably arranged on the inner wall of the sliding grooves (19), scraping plates (15) are fixedly connected to two sides of the two sliding columns (18), and one side of each scraping plate (15) located on the inner side is rotatably connected with the same rotating rod (11) with one side of each baffle plate (7);

the fixing mechanism is arranged at one end of the connecting cylinder (6) and used for fixing the connecting pipeline (2) and the exhaust pipe (3);

the fixing mechanism comprises a sealing ring (4) fixedly connected to one end of a connecting cylinder (6), an inner spiral ring (5) is rotationally connected to the outer wall of the sealing ring (4), two inner threads positioned on two sides of the sealing ring (4) are formed in the inner wall of the inner spiral ring (5), and external threads matched with the inner threads in use are formed in the outer walls of the connecting pipeline (2) and the exhaust pipe (3).

2. The check valve of the ventilator according to claim 1, wherein the outer wall of the baffle plate (7) is provided with a rotating shaft (13) in a penetrating way, the rotating plate (9) is sleeved on the rotating shaft (13), and the inner wall of the connecting pipeline (2) is provided with a sliding groove (14) corresponding to the rotating shaft (13).

3. A check valve for a ventilator according to claim 2, characterized in that the bottom of the rectangular opening (8) is provided with a relief groove (17) corresponding to the rotating plate (9).

4. A check valve for a ventilator according to claim 2, wherein a first fixing block (10) is fixedly connected to one side of the baffle plate (7), two second fixing blocks (16) are fixedly connected to one side of the scraper (15) away from the connecting cylinder (6), and two ends of the rotating rod (11) are respectively and rotatably connected between one side of the first fixing block (10) and the two second fixing blocks (16).