CN116210597A - Deodorization device and cat litter basin - Google Patents

Abstract

The invention belongs to the technical field of peculiar smell removal, and particularly relates to a deodorizing device which comprises a fan, an air duct, a capillary structure and a liquid reservoir, wherein the air duct is communicated with the fan; the cat litter basin is provided with the deodorizing device. The cat litter basin can be soaked on the capillary structure by the deodorizing liquid, so that the odor generated in the cat litter basin can react with the deodorizing liquid when passing through the surface of the capillary structure or the capillary structure, thereby removing the odor.

Description

Deodorizer and cat litter box

technical field

The invention belongs to the technical field of odor removal, and in particular relates to a deodorization device and a cat litter box.

Background technique

Nowadays, cats in families usually prepare a litter box first, and then the cat will excrete in it by itself. In order to clean up the excrement in the litter box, many automatic cleaning litter boxes have been born on the market. If the cat enters the cat litter box to defecate from the interface of the automatic cleaning cat litter box, then the cat litter box rotates or swings, and the sieve filter structure in the cat litter box filters out the agglomeration composed of cat litter and excrement, Pour into the litter box. However, during the process of defecation, if the cat is stuck in the litter box, it will produce a bad smell, which will bring a very poor cat raising experience to the cat owner.

Contents of the invention

The invention intends to provide a deodorizing device and a cat litter box to solve the problem of using the cat litter box to generate odor.

In order to achieve the above object, one aspect of the present invention is to provide a deodorizing device, including a fan, an air duct, a capillary structure and a liquid reservoir, the air duct communicates with the fan, the capillary structure is arranged in the air duct, and the capillary structure and the liquid reservoir Water outlet connection.

The working principle and beneficial effects of this scheme are: the liquid reservoir is used to hold the deodorant liquid, and the capillary structure can draw the deodorant liquid from the capillary structure to the capillary structure through its own capillary traction, that is, the deodorant liquid infiltrates the capillary structure through the water outlet, and the fan The odor generated in the cat litter box is sent into the air duct, and when the odor passes through the surface of the capillary structure or passes through the capillary structure, it reacts with the deodorizing liquid to remove the odor. This program:

1. Compared with the traditional deodorization structure that replaces the filter element, the filter element only plays a filtering role, and does not eliminate the odorous components in the odor in essence. After a period of time, the odor will still be emitted from the filter element, which cannot completely Solve the problem of smelly cat litter box. Moreover, this solution does not need to replace the filter element, but only needs to add deodorizing liquid, which is simpler and more convenient. Compared with the larger structure of the filter element, the structure of this solution is more compact and takes up less space.

2. Compared with the traditional spray deodorization, the white mist formed by the spray may stimulate the cats visually and tactilely so that they dare not enter the litter box to defecate. However, this solution does not use spray and does not produce visual and tactile stimulation.

3. Compared with traditional activated carbon deodorization, activated carbon has limited adsorption capacity and limited deodorization ability, so it is necessary to frequently replace activated carbon or clean activated carbon, which is heavy workload and higher cost. This solution has stronger deodorization ability and lower cost. Longer lasting.

Optionally, the air duct includes one or more combinations of S-shaped structure, labyrinth structure and porous structure. Increase the length of the flow path of the odor in the air duct, increase the contact time between the capillary structure and the odor, and have a better deodorizing effect.

Optionally, the capillary structure includes cotton filter boards and cotton filter sheets, the number of cotton filter boards is multiple, the cotton filter boards are distributed along the flow path of the airflow in the air duct, and the cotton filter sheets are fixed on the inner wall of the air duct.

Optionally, the cotton filter plate and the cotton filter sheet are of an integrated structure.

Optionally, a conduit is also included, one end of the conduit extends into the air duct and maintains an opening, the opening is in contact with the cotton filter, and the other end of the conduit is connected to the liquid reservoir.

Optionally, the liquid reservoir includes a liquid storage bottle and a one-way valve. The one-way valve includes a male head and a female head. The female head is installed on the bottle mouth of the liquid outlet bottle. structure, the male head is installed on the conduit. When the liquid storage bottle is installed upside down on the male head of the conduit, the male head is connected to the female head, and the normally closed structure is opened on the male head, so that the one-way valve can be opened. At this time, the deodorant liquid in the liquid storage bottle can flow into the In the conduit, so that the filter sheets and filter plates are soaked through the openings. When the liquid storage bottle is placed upright, the normally closed structure of the female head is automatically closed to complete the sealing of the bottle mouth and prevent the deodorant liquid in the liquid storage bottle from evaporating.

Optionally, the air duct includes an exhaust port, the exhaust port is provided with a door, and both ends of the door are hinged to the side wall of the air outlet by pins. The damper naturally sags under the action of gravity, thereby sealing the exhaust port, avoiding the air flow in the air duct, and reducing the evaporation of the deodorant liquid in the air duct when the fan is turned off. When the fan is activated, the wind flow can automatically blow open the damper.

Optionally, the fan is a negative pressure fan.

Optionally, it also includes a casing, the fan and the air duct are arranged in the casing, and a liquid storage bottle slot for placing a liquid storage bottle is opened on the casing; an interface is opened at the bottom of the casing, and the fan includes an air inlet, which is connected to the air inlet. The interface is connected, and an air exhaust port is opened on the end of the housing close to the air duct exhaust port.

In order to achieve the above object, another aspect of the present invention is to provide a cat litter box on which the above-mentioned deodorizing device is installed.

Description of drawings

Fig. 1 is a schematic structural view of a housing in a deodorizing device in Example 1 of the present invention;

Fig. 2 is a schematic structural view of the air duct, liquid storage bottle, blower fan and liquid storage bottle tank of the deodorizing device in Embodiment 1 of the present invention;

Fig. 3 is a schematic diagram of the installation of the filter cotton plate and the filter cotton sheet in the air duct in the first embodiment of the present invention;

Fig. 4 is an exploded view of the liquid storage bottle and the female head of the one-way valve in the first embodiment of the present invention;

Fig. 5 is a schematic structural diagram of a male head in Embodiment 1 of the present invention;

Fig. 6 is a schematic diagram of the installation of the filter cotton plate and the filter cotton sheet in the air duct in the third embodiment of the present invention;

Fig. 7 is a schematic diagram of the installation of the filter cotton plate and the filter cotton sheet in the air duct in the fourth embodiment of the present invention.

Detailed ways

The following is further described in detail through specific implementation methods:

The symbols in the drawings of the specification include: shell 1, interface 101, liquid storage bottle notch 102, cover 103, air exhaust slit 104, air duct 2, damper 201, exhaust port 3, liquid storage bottle slot 4, Fan 5, air outlet 501, filter cotton sheet 6, filter cotton plate 7, conduit 8, positioning hole 9, liquid storage bottle 10, bottle mouth 11, bottle cap 12, support frame 13, spring 14, spring receiving groove 15, the first A through hole 16, a rubber plug 17, a second through hole 18, a plugging ball 19, a male head 20, and a water hole 21.

Embodiment one

This embodiment is basically shown in Fig. 1, Fig. 2, Fig. 3, Fig. 4, and Fig. 5: the deodorizing device includes a casing 1 molded by plastic injection molding, and an interface 101 is opened on the bottom of the casing 1. An air outlet is opened at the end away from the interface 101, and a cover 103 is provided at the air outlet, and an exhaust gap 104 is left between the cover 103 and the air outlet. An S-shaped air duct 2 is formed by plastic injection molding. The air duct 2 is installed in the housing 1. The air duct 2 includes an air inlet and an exhaust port 3. There is a gap between the interface 101 and the air inlet of the air duct 2 in the housing 1. The space where fan 5 is installed, fan 5 is a negative pressure fan 5, fan 5 includes an air inlet and an air outlet 501, the air inlet communicates with the interface 101, and the air outlet 501 communicates with the air inlet of the air duct 2. The air outlet 3 of the air duct 2 is provided with a door 201, and the two ends of the door 201 are hinged on the side wall of the air outlet 3 by pins.

The capillary structure includes a plurality of filter cotton plates 7 and filter cotton sheets 6, and the filter cotton plates 7 and filter cotton sheets 6 are all made of wood pulp cotton according to the shape of the air duct. In other embodiments, the filter cotton plates 7 and The material of the cotton filter sheet 6 can also be high-density cotton, low-density cotton, medium-density cotton, nanometer cotton, activated carbon rods, paper and other materials. The cotton filter plate 7 is evenly distributed along the flow path of the airflow in the air duct 2. The end of the cotton filter plate 7 is provided with a positioning hole 9. The upper and lower inner sides of the air duct 2 are integrally formed with positioning pins, and the positioning pin is inserted into the positioning hole. In 9, let filter cotton plate 7 be more stable. The cotton filter sheet 6 is fixed on the inner side wall and the inner bottom wall of the air duct 2 by positioning nails.

The casing 1 is provided with a liquid storage bottle notch 102, the liquid storage bottle notch 102 is covered with a liquid storage bottle slot cover, and a liquid storage bottle slot 4 for placing the liquid storage device is placed in the liquid storage bottle notch 102. A conduit 8 is installed on the outer wall of the body 1 , one end of the conduit 8 extends into the air duct 2 and maintains an opening, the opening is in contact with the filter cotton sheet 6 , and the other end of the conduit 8 extends into the liquid storage bottle tank 4 .

The liquid reservoir includes a liquid storage bottle 10 and a one-way valve. The one-way valve includes a male head 20 and a female head. The female head is installed on the bottle mouth 11 of the liquid outlet bottle. 19. Spring 14 and rubber stopper 17. There is a first through hole 16 on the bottle cap 12. The first through hole 16 is larger than the sealing ball 19. The outer diameter of the installation groove is smaller than the inner diameter of the bottle mouth 11. The installation groove includes a spring receiving groove 15 and the support frame 13, the support frame 13 is integrally formed on the end of the spring receiving groove 15, there is a gap between the support frames 13, the rubber plug 17 has a second through hole 18, the second through hole 18 is smaller than the plugging The outer diameter of the ball 19 and the rubber stopper 17 is greater than the inner diameter of the first through hole 16, the rubber stopper 17 is inserted into the first through hole 16, the spring 14 is installed in the spring receiving groove 15, and the blocking ball 19 is located between the spring 14 and the rubber stopper 17. Between them, the spring 14 pushes the closing ball 19 against the end surface of the second through hole 18 of the rubber stopper 17, thereby realizing the normally closed state of the female plug. The male head 20 is a straight pipe that can be inserted into the second through hole 18 of the rubber stopper 17. The male head 20 is fixed at the bottom of the reservoir tank 4 and communicates with the conduit 8. The length of the straight pipe is 1.5 times the length of the rubber stopper 17. The top of the straight pipe has a water hole 21 on the side wall.

The specific implementation process is:

On the side wall of the top of the cat litter box used in conjunction with this deodorizing device, there is an odor discharge port that matches the interface 101 of the housing 1, and the interface 101 of the housing 1 is placed downwards and aligned with the odor discharge port. On top of the litter box. After the liquid storage bottle 10 is filled with liquid, it is inserted into the liquid storage bottle tank 4 upside down. Specifically, the straight tube of the male head 20 is inserted into the second through hole 18 of the rubber stopper 17 and the water hole 21 on the straight tube is opposite. The rubber stopper 17 protrudes a part, and the male head 20 pushes up the blocking ball 19 and allows the water hole 21 to be exposed inside the bottle cap 12 . The deodorizing liquid flows out through the gap between the bottle mouth 11, the support frame 13, the water hole 21, the straight pipe, and the conduit 8, and finally soaks all the filter cotton plates 7 and filter cotton sheets 6. The damper 201 sags naturally under the action of gravity, thereby sealing the exhaust port 3, avoiding the air flow in the air duct 2, and reducing the evaporation of the deodorant liquid in the air duct 2 when the fan 5 is turned off. The cover 103 at the air outlet of the casing 1 also plays the role of preventing air flow in the casing 1, further reducing the evaporation of the deodorant liquid.

When deodorization is required, the blower fan 5 is started, and the negative pressure generated will draw the odor into the air duct 2, and when the odor passes through the S-shaped air duct 2, it will be combined with the deodorizer on the filter cotton plate 7 and the filter cotton sheet 6. The odorous liquid contacts and then reacts, or reacts with the deodorant liquid vapor evaporated into the air duct 2 to achieve deodorization. Because wood pulp cotton is used in this embodiment, it not only has good water absorption performance, but also has an irregular shape on its surface, which helps to form turbulent flow on its surface, and is more conducive to reacting with deodorant liquid to deodorize, making deodorization easier thorough. The reacted gas blows up the damper 201 on the exhaust port 3 , and then is discharged through the exhaust gap 104 between the shield 103 and the exhaust port.

After the deodorization is completed, the fan 5 is closed, and the door 201 automatically closes the exhaust port 3 . If the liquid storage bottle 10 is taken off at this moment, the spring 14 promotes the sealing ball 19 to automatically seal the second through hole 18, preventing the deodorant liquid in the liquid storage bottle 10 from evaporating.

Embodiment two

The difference between the present embodiment and the first embodiment is that the liquid reservoir is integrally formed in the liquid storage cavity of the housing 1 , the top of the liquid storage cavity has a liquid injection port, and the liquid injection port is covered by a liquid injection cover. This embodiment does not include a one-way valve. After opening the liquid injection cap, the deodorant liquid is directly added to the liquid storage chamber. Compared with Embodiment 1, the structure of the liquid reservoir is simpler and the production cost is reduced.

Embodiment Three

The difference between this embodiment and Embodiment 1 is that, as shown in Figure 6, the structure in the air duct 2 is a labyrinth structure, and a plurality of L-shaped partitions are arranged in the air duct 2, which are intersected with each other to form Maze-like structure. The cotton filter sheets 6 are fixed on the side walls of the partitions through positioning nails, and the cotton filter plates 7 are installed in the space between the partitions.

When the airflow in the air duct 2 passes through the labyrinth structure, it not only prolongs the flow path of the airflow, increases the contact area and time between the deodorant liquid and the odor, but also makes it easier to generate turbulent flow in the labyrinth structure, which further facilitates deodorization .

Embodiment four

The difference between this embodiment and Embodiment 1 is that, as shown in Figure 7, the structure in the air duct 2 is a porous structure, and the porous structure includes a plurality of herringbone bifurcated holes, and the bifurcated holes are connected end to end. The cotton filter sheet 6 is fixed on the side wall of the bifurcated hole by positioning nails, and the cotton filter plate 7 is installed in the bifurcated hole.

When the airflow in the air duct 2 passes through the porous structure, it not only prolongs the flow path of the airflow, increases the contact area and time between the deodorizing liquid and the odor, but also makes it easier to generate turbulent flow in the porous structure, which further facilitates deodorization .

What is described above is only an embodiment of the present invention, and common knowledge such as specific structures and characteristics known in the scheme are not described here too much. It should be pointed out that for those skilled in the art, under the premise of not departing from the structure of the present invention, some modifications and improvements can also be made, which should also be regarded as the protection scope of the present invention, and these will not affect the implementation of the present invention. Effects and practicability of the present invention. Descriptions such as specific embodiments in the specification can be used to interpret the content of the claims.

Claims (10)

1. Deodorization device, its characterized in that: the device comprises a fan, an air duct, a capillary structure and a liquid reservoir, wherein the air duct is communicated with the fan, the capillary structure is arranged in the air duct, and the capillary structure is connected with a water outlet of the liquid reservoir.

2. The deodorizing device as set forth in claim 1, wherein: the air duct comprises one or a combination of a plurality of S-shaped structures, labyrinth structures and porous structures.

3. The deodorizing device as set forth in claim 1, wherein: the capillary structure comprises a plurality of filter cotton plates and filter cotton sheets, the filter cotton plates are distributed along the flow path of the air flow in the air duct, and the filter cotton sheets are fixed on the inner side wall of the air duct.

4. A deodorizing device as claimed in claim 3, characterized in that: the filter cotton plate and the filter cotton sheet are of an integrated structure.

5. The deodorizing device as set forth in claim 4, wherein: the filter cotton filter further comprises a guide pipe, one end of the guide pipe extends into the air duct and keeps the opening, the opening is in contact with the filter cotton sheet, and the other end of the guide pipe is connected with the liquid storage device.

6. The deodorizing device as set forth in claim 5, wherein: the liquid storage device comprises a liquid storage bottle and a one-way valve, the one-way valve comprises a male head and a female head, the female head is arranged on a bottle opening of the liquid outlet bottle, a normally closed structure which can be propped open by the male head is arranged in the female head, and the male head is arranged on the guide pipe.

7. The deodorizing device as set forth in claim 1, wherein: the air duct comprises an air outlet, a baffle door is arranged on the air outlet, and two ends of the baffle door are hinged on the side wall of the air outlet through pins.

8. The deodorizing device as set forth in claim 1, wherein: the fan is a negative pressure fan.

9. The deodorizing device as set forth in any one of claims 1 to 8, wherein: the air conditioner also comprises a shell, wherein the fan and the air duct are arranged in the shell, and a liquid storage bottle groove for accommodating a liquid storage bottle is formed in the shell; the air inlet is communicated with the interface, and an air outlet is formed in one end, close to an air outlet of the air channel, of the shell.

10. The cat litter basin is characterized in that: a cat litter box having installed thereon a deodorizing device according to any one of claims 1 to 9.

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