CN115045380A

CN115045380A - Deodorant floor drain

Info

Publication number: CN115045380A
Application number: CN202210712407.1A
Authority: CN
Inventors: 李金江
Original assignee: Individual
Current assignee: Individual
Priority date: 2022-06-22
Filing date: 2022-06-22
Publication date: 2022-09-13
Anticipated expiration: 2042-06-22
Also published as: CN115045380B

Abstract

The invention relates to the technical field of floor drains, and provides a deodorant floor drain which comprises a pipe body and a filter screen arranged at the upper end of the pipe body, and is characterized in that: the floor drain is characterized by further comprising a positioning sleeve arranged on the periphery of the pipe body, the lower end of the positioning sleeve is connected with the pipe body in a sealing mode, a spice filling cavity is reserved between the positioning sleeve and the pipe body, a spice through hole is formed in the position, corresponding to the spice filling cavity, on the side wall of the pipe body, the filter screen comprises a bottom plate and a side plate, a barrel-shaped structure with a filter hole is formed in the bottom plate and the side plate, a positioning ring formed by bending and extending the upper end of the barrel-shaped structure to the outer side is formed, the lower end of the positioning ring is in lap joint with the upper end of the pipe body, and the outer wall of the positioning ring is flush with the outer wall of the spice filling cavity or extends to the outer side of the outer wall of the spice filling cavity to form a blocking structure of the spice filling cavity. The problem of among the correlation technique after using for a period, inside biology and the smell of sewer overflow from the floor drain very easily to the peculiar smell frequently appears in the family, deodorant effect remains to be improved is solved.

Description

Deodorant floor drain

Technical Field

The invention relates to the technical field of floor drains, in particular to a deodorant floor drain.

Background

With the improvement of living standard, people have higher and higher requirements on indoor air quality. The floor drain is an important interface for connecting a drainage pipeline system and the indoor ground, is an important part of a drainage system in a house, and directly influences the quality of indoor air due to the performance of the floor drain. The existing floor drain has various structures, but after the floor drain is used for a period of time, organisms and odor in the sewer easily overflow from the floor drain, so that peculiar smell in a house frequently appears, and the deodorization effect needs to be improved.

Disclosure of Invention

The invention provides a deodorization floor drain, which solves the problems that after the floor drain is used for a period of time in the related art, organisms and odor in a sewer easily overflow from the floor drain, so that peculiar smell is frequently generated in a house, and the deodorization effect needs to be improved.

The technical scheme of the invention is as follows: the utility model provides a deodorant floor drain, includes the body and sets up the filter screen in the body upper end, and the key lies in: the floor drain is characterized by further comprising a positioning sleeve arranged on the periphery of the pipe body, the lower end of the positioning sleeve is connected with the pipe body in a sealing mode, a spice filling cavity is reserved between the positioning sleeve and the pipe body, a spice through hole is formed in the position, corresponding to the spice filling cavity, on the side wall of the pipe body, the filter screen comprises a bottom plate and a side plate, a barrel-shaped structure with a filter hole is formed in the bottom plate and the side plate, a positioning ring formed by bending and extending the upper end of the barrel-shaped structure to the outer side is formed, the lower end of the positioning ring is in lap joint with the upper end of the pipe body, and the outer wall of the positioning ring is flush with the outer wall of the spice filling cavity or extends to the outer side of the outer wall of the spice filling cavity to form a blocking structure of the spice filling cavity.

The floor drain further comprises a sealing plate arranged in the pipe body and located below the filter screen, a pressure sensor arranged on the sealing plate and a telescopic rod arranged below the sealing plate, wherein the fixed end of the sealing plate is hinged to the pipe body through a first hinge shaft, the free end of the sealing plate is hinged to the upper end of the telescopic rod, the lower end of the telescopic rod inclines towards the lower portion of the first hinge shaft and is hinged to the pipe body, the pressure sensor, the controller and the telescopic rod are electrically connected in sequence, and the free end of the sealing plate is in sealing contact with or separated from the pipe body through the expansion and contraction of the telescopic rod.

The inner wall of the pipe body is provided with a limiting lug, and the lower end face of the limiting lug is in contact with the upper end face of the sealing plate to form a limiting structure of the sealing plate.

The limiting convex block and the first hinge shaft are positioned between the upper and lower adjacent fragrance through holes.

The floor drain also comprises a shell arranged on the periphery of the positioning sleeve, and the positioning sleeve and the shell, and the positioning sleeve and the pipe body are detachably connected.

The body includes straight tube and lower return bend, the position sleeve is located the straight tube periphery, go up the protruding go-between that forms to have the external screw thread of the lower extreme of straight tube to the outside, the position sleeve is including the first sleeve pipe that sets gradually and communicate from top to bottom, second sleeve pipe and third sleeve pipe, the sheathed tube diameter of second reduces from top to bottom linearly, third sleeve pipe and go-between threaded connection, the inboard of casing lower extreme is provided with second sleeve pipe shape assorted location edge, first sleeve pipe and casing threaded connection just between first sleeve pipe and the casing, the direction of screwing between third sleeve pipe and the go-between is the same.

The outlet end of the pipe body is provided with a baffle, the upper end of the baffle is hinged with the pipe body by means of a second hinge shaft, an iron block is fixed on the inner side of the lower end of the baffle, a magnet is fixed at the outlet end of the pipe body, and the magnet and the iron block are attracted to form a sealing structure of the pipe body.

The floor drain also comprises a cover plate arranged above the filter screen, the cover plate is clamped with the shell, and a drain hole is formed in the position, corresponding to the barrel-shaped structure, on the cover plate.

The drain hole located at the center of the cover plate is a long hole, the length direction of the long hole is arranged along the radial direction of the cover plate, two sides of the center of the long hole in the length direction extend outwards to form a limiting hole, the floor drain further comprises a supporting plate used for penetrating through the long hole, a limiting block arranged at the center of the supporting plate in the length direction and a pull rod arranged above the limiting block, the upper end face of the supporting plate is in contact with the lower end face of the cover plate, the limiting block is connected with the limiting hole in a clamping mode, and the upper end of the pull rod is located above the cover plate to form a dismounting structure of the cover plate.

And a waterproof edge is arranged on the inner side of each fragrance through hole.

The working principle and the beneficial effects of the invention are as follows: set up the position sleeve at the body periphery, the lower extreme and the body sealing connection of position sleeve, leave spices between position sleeve and the body and fill the chamber, fragrance via hole has been seted up with the corresponding position in spices filling chamber on the body lateral wall, the filter screen includes all set up the tubbiness structure of crossing the filtration pore on bottom plate and the curb plate, and the holding ring that extends the formation by the outside bending type in tubbiness structure upper end, the lower extreme and the body upper end overlap joint of holding ring, and the outer wall of holding ring flushes with the outer wall in spices filling chamber or extends to the outer wall outside in spices filling chamber and forms the shutoff structure in spices filling chamber. When the floor drain is used, the spice is filled in the spice filling cavity, the grain size of the spice is larger than the diameter of the fragrance through hole, the fragrance emitted by the spice can enter the pipe body through the fragrance through hole, the odor in the pipe body is effectively covered, and the deodorization effect of the floor drain can be greatly improved.

Drawings

The present invention will be described in further detail with reference to the accompanying drawings and specific embodiments.

FIG. 1 is a schematic structural diagram of the present invention.

Fig. 2 is a schematic view of a connecting structure of the housing and the positioning sleeve of the present invention.

Fig. 3 is a front view of the first state of the present invention with the pallet and stopper inserted under the cover plate.

FIG. 4 is a top view of the first state of the present invention with the pallet and stop blocks inserted under the cover plate.

FIG. 5 is a top view of the second state of the present invention with the pallet and stop blocks inserted under the cover plate.

Fig. 6 is a top view of the cover plate of the present invention.

In the figure: 1. the perfume filter comprises a pipe body, 2, a filter screen, 2-1, a barrel-shaped structure, 2-2, a positioning ring, 3, a positioning sleeve, 3-1, a first sleeve, 3-2, a second sleeve, 3-3, a third sleeve, 4, a perfume filling cavity, 5, a perfume through hole, 6, a filter hole, 7, a sealing plate, 8, a telescopic rod, 9, a first hinge shaft, 10, a limiting lug, 11, a shell, 12, a connecting ring, 13, a positioning edge, 14, a baffle, 15, a second hinge shaft, 16, an iron block, 17, a magnet, 18, a cover plate, 19, a water discharge hole, 20, a limiting hole, 21, a supporting plate, 22, a limiting block, 23, a pull rod, 24 and a limiting plate.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall be included within the scope of protection of the present invention.

In the specific embodiment, as shown in fig. 1, a deodorization floor drain comprises a pipe body 1 and a filter screen 2 arranged at the upper end of the pipe body 1, the floor drain also comprises a positioning sleeve 3 arranged on the periphery of the pipe body 1, the lower end of the positioning sleeve 3 is hermetically connected with the pipe body 1, a spice filling cavity 4 is reserved between the positioning sleeve 3 and the pipe body 1, the fragrance through hole 5 is formed in the position, corresponding to the fragrance filling cavity 4, on the side wall of the pipe body 1, the filter screen 2 comprises a barrel-shaped structure 2-1 with filter holes 6 formed in a bottom plate and a side plate and a positioning ring 2-2 formed by bending and extending the upper end of the barrel-shaped structure 2-1 to the outer side, the lower end of the positioning ring 2-2 is in lap joint with the upper end of the pipe body 1, and the outer wall of the positioning ring 2-2 is flush with the outer wall of the fragrance filling cavity 4 or extends to the outer side of the outer wall of the fragrance filling cavity 4 to form a blocking structure of the fragrance filling cavity 4.

As a further improvement of the invention, the floor drain further comprises a controller, a sealing plate 7 which is arranged in the pipe body 1 and is positioned below the filter screen 2, a pressure sensor which is arranged on the sealing plate 7, and a telescopic rod 8 which is arranged below the sealing plate 7, wherein the fixed end of the sealing plate 7 is hinged with the pipe body 1 through a first hinge shaft 9, the free end of the sealing plate is hinged with the upper end of the telescopic rod 8, the lower end of the telescopic rod 8 inclines towards the lower part of the first hinge shaft 9 and is hinged with the pipe body 1, the pressure sensor, the controller and the telescopic rod 8 are electrically connected in sequence, and the free end of the sealing plate 7 is in sealed contact with or separated from the pipe body 1 through the expansion and contraction of the telescopic rod 8. As shown in figures 1 and 2, when water enters the floor drain, the water falls onto the sealing plate 7, the pressure sensor outputs a signal to the controller, the telescopic rod 8 contracts during the controller, the free end of the sealing plate 7 rotates downwards to be separated from the pipe body 1, and the water smoothly passes through the sealing plate. When no water enters the floor drain, the telescopic rod 8 is extended, the sealing plate 7 rotates reversely to be in contact sealing with the pipe body 1 again, at the moment, even if peculiar smell exists at the bottom of the pipe body 1, the peculiar smell can not directly enter the room through the sealing plate 7, one part of the peculiar smell is mixed with the fragrance diffused into the pipe body 1, the other part of the peculiar smell enters the fragrance filling cavity 4 through the fragrance through hole 5 to be in contact with the fragrance, and the deodorization effect can be further improved.

As a further improvement of the present invention, a limit projection 10 is provided on the inner wall of the pipe body 1, and the lower end surface of the limit projection 10 contacts with the upper end surface of the sealing plate 7 to form a limit structure of the sealing plate 7. As shown in fig. 1 and 2, the limit projection 10 can prevent the sealing plate 7 from rotating too far to affect the sealing effect.

As a further improvement of the invention, the limiting lug 10 and the first hinge shaft 9 are positioned between the fragrance passing holes 5 which are adjacent up and down. As shown in fig. 1 and 2, the limit bump 10 and the first hinge shaft 9 are prevented from blocking the fragrance passing hole 5 to influence the smooth passage of fragrance.

As a further improvement of the invention, the floor drain also comprises a shell 11 arranged at the periphery of the positioning sleeve 3, the positioning sleeve 3 and the shell 11 and the positioning sleeve 3 and the pipe body 1 are detachably connected, and the positioning sleeve 3 can be detached to facilitate maintenance.

As a further improvement of the invention, the pipe body 1 comprises an upper straight pipe and a lower bent pipe, the positioning sleeve 3 is positioned on the periphery of the upper straight pipe, the lower end of the upper straight pipe protrudes outwards to form a connecting ring 12 with an external thread, the positioning sleeve 3 comprises a first sleeve 3-1, a second sleeve 3-2 and a third sleeve 3-3 which are sequentially arranged from top to bottom and communicated, the diameter of the second sleeve 3-2 is linearly reduced from top to bottom, the third sleeve 3-3 is in threaded connection with the connecting ring 12, the inner side of the lower end of the shell 11 is provided with a positioning edge 13 matched with the second sleeve 3-2 in shape, the first sleeve 3-1 is in threaded connection with the shell 11, and the screwing directions of the first sleeve 3-1 and the shell 11 and the third sleeve 3-3 and the connecting ring 12 are the same.

As shown in figure 2, after the device is installed, the shell 11 is fixed with the ground, the outlet end of the pipe body 1 is connected with a sewer, the first sleeve 3-1 and the third sleeve 3-3 are both round pipes, the diameter of the third sleeve 3-3 is smaller than that of the first sleeve 3-1, the second sleeve 3-2 is a reducer pipe for connecting the first sleeve 3-1 and the third sleeve 3-3, the first sleeve 3-1 and the shell 11 and the third sleeve 3-3 and the connecting ring 12 are both in threaded connection, the connection is firm and reliable, the disassembly and assembly are convenient and fast, time and labor are saved, moreover, the pipe body 1 is arranged into a three-section structure, the lower end of the upper straight pipe is provided with the connecting ring 12, the third sleeve 3-3 is in threaded connection with the connecting ring 12, can avoid the direct contact with body 1 and cause wearing and tearing to body 1 of 3 in-process inner walls of dismouting position sleeve 3. In order to facilitate the disassembly and assembly of the positioning sleeve 3, the upper end face of the positioning sleeve 3 is provided with a clamping groove, so that the auxiliary tool can be clamped with the clamping groove, and the positioning sleeve 3 is convenient to rotate.

As a further improvement of the present invention, a baffle 14 is provided at the outlet end of the tube body 1, the upper end of the baffle 14 is hinged to the tube body 1 via a second hinge shaft 15, an iron block 16 is fixed at the inner side of the lower end of the baffle 14, a magnet 17 is fixed at the outlet end of the tube body 1, and the magnet 17 and the iron block 16 are attracted to form a sealing structure of the tube body 1. As shown in fig. 1 and 2, when water enters the floor drain, under the impact of water, the lower end of the baffle 14 rotates around the second hinge shaft 15 in the direction away from the pipe body 1, the iron block 16 is separated from the magnet 17, the outlet end of the pipe body 1 is opened, and sewage can be smoothly discharged into a sewer. When no water enters the floor drain, the iron block 16 at the lower end of the baffle 14 is attracted with the magnet 17 on the pipe body 1, the outlet end of the pipe body 1 is sealed by the baffle 14, so that the odor in the sewer can be effectively prevented from entering the pipe body 1, and the deodorization effect can be further improved.

As a further improvement of the invention, the floor drain also comprises a cover plate 18 arranged above the filter screen 2, the cover plate 18 is clamped with the shell 11, and a drain hole 19 is arranged on the cover plate 18 corresponding to the barrel-shaped structure 2-1. As shown in fig. 2 and 3, after the installation, the cover plate 18 covers the filter screen 2, so that the ground is kept flat, more neat and beautiful under the premise of not influencing the use of the filter screen 2, and people are prevented from being knocked and fallen down because of being carelessly stepped into the barrel-shaped structure 2-1 of the filter screen 2.

As a further improvement of the invention, the drain hole 19 at the center of the cover plate 18 is a long hole, the length direction of the long hole is arranged along the radial direction of the cover plate 18, both sides of the center of the length direction of the long hole extend outwards to form a limiting hole 20, the floor drain further comprises a support plate 21 for passing through the long hole, a limiting block 22 arranged at the center of the length direction of the support plate 21, and a pull rod 23 arranged above the limiting block 22, the upper end face of the support plate 21 is in contact with the lower end face of the cover plate 18, the limiting block 22 is clamped with the limiting hole 20, and the upper end of the pull rod 23 is positioned above the cover plate 18 to form a dismounting structure of the cover plate 18.

As shown in fig. 3, 4, 5 and 6, the drain holes 19 of the cover plate 18 are all elongated holes, all the drain holes 19 are arranged in the front-rear direction, and the length direction of the drain holes 19 is arranged in the left-right direction and the drain hole 19 located at the center of the cover plate 18 is the longest. When the filter screen 2 needs to be cleaned or spice is added, the supporting plate 21 penetrates through the drain hole 19 in the center of the cover plate 18, the supporting plate 21 and the limiting block 22 reach the lower part of the cover plate 18, as shown in fig. 3 and 4, the pull rod 23 is rotated clockwise or anticlockwise, the limiting block 22 reaches the lower part of the limiting hole 20 in the cover plate 18, the pull rod 23 is lifted upwards, the limiting block 22 is inserted into the limiting hole 20, the upper end face of the supporting plate 21 is in contact with the lower end face of the cover plate 18 at the moment, the pull rod 23 is lifted continuously, the cover plate 18 can be detached, and then the cover plate 18 is taken down.

In order to make the supporting plate 21 clamped more firmly, as shown in fig. 4, 5 and 6, two left and right limiting plates 24 are arranged on the front and rear sides of the lower end surface of the cover plate 18, and when the limiting blocks 22 are clamped with the limiting holes 20, the front and rear ends of the supporting plate 21 are clamped between the two limiting plates 24 at the corresponding ends respectively, so that the stability is better.

As a further improvement of the invention, a waterproof edge is arranged at the inner side of each fragrance through hole 5, so that sewage is prevented from entering the fragrance filling cavity 4 through the fragrance through hole 5 to influence the fragrance. The fragrance through hole 5 is a through hole formed by punching, the punched part is not separated from the pipe body 1, the upper end of the fragrance through hole is connected with the pipe body 1, and the lower end of the fragrance through hole is bent towards the inner side of the pipe body 1 to form a waterproof edge, so that the waterproof edge and the pipe body 1 are integrally formed, and the connection is firmer and more reliable.

When the invention is used in concrete, the shell 11 is fixed with the ground, the pipe body 1 is positioned in the shell 11, the outlet end of the pipe body is connected with a sewer, the positioning sleeve 3 is arranged between the pipe body 1 and the shell 11, the third sleeve 3-3 at the lower end of the positioning sleeve 3 is in threaded connection with the connecting ring 12 at the periphery of the lower end of the pipe body 1, the first sleeve 3-1 at the upper end of the positioning sleeve 3 is in threaded connection with the shell 11, the barrel-shaped structure 2-1 of the filter screen 2 is positioned in the pipe body 1, a gap is reserved between the barrel-shaped structure 2-1 and the inner wall of the pipe body 1, the positioning ring 2-2 of the barrel-shaped structure 2-1 is simultaneously lapped with the pipe body 1 and the positioning sleeve 3, and the cover plate 18 is positioned above the filter screen 2 and is clamped with the shell 11, so that the fragrance of the spice can be prevented from being directly emitted outwards. The spice filling cavity 4 between the positioning sleeve 3 and the tube body 1 is filled with spice, the grain diameter of the spice is larger than the diameter of the fragrance through hole 5, so that the spice emitted by the spice can smoothly enter the tube body 1 through the fragrance through hole 5, and meanwhile, the spice can be prevented from directly falling into the tube body 1 through the fragrance through hole 5.

When sewage exists, the sewage enters the barrel-shaped structure 2-1 of the filter screen 2 through the water discharge hole 19 on the cover plate 18, impurities are left in the barrel-shaped structure 2-1, the sewage falls onto the sealing plate 7 below through the filter hole 6, the pressure sensor outputs a signal to the controller, the telescopic rod 8 contracts when the controller is used, the free end (namely the left end of the sealing plate 7 in the figures 1 and 2) of the sealing plate 7 rotates downwards to be separated from the pipe body 1, the water smoothly passes through the baffle plate 14, under the impact action of the water, the lower end of the baffle plate 14 rotates around the second hinge shaft 15 in the direction far away from the pipe body 1 (namely the lower end of the baffle plate 14 rotates anticlockwise in the figures 1 and 2), the iron block 16 is separated from the magnet 17, the outlet end of the pipe body 1 is opened, and the sewage can be smoothly discharged into a sewer.

When no water enters the floor drain, the iron block 16 at the lower end of the baffle plate 14 is attracted with the magnet 17 on the pipe body 1, the outlet end of the pipe body 1 is sealed by the baffle plate 14, the odor in the sewer can be effectively prevented from entering the pipe body 1, and the sealing plate 7 is in contact sealing with the pipe body 1, so that the odor in the pipe body 1 can not directly enter the room through the sealing plate 7, one part of the odor is mixed with the fragrance diffused into the pipe body 1, the other part of the odor enters the fragrance filling cavity 4 through the fragrance through hole 5 and is in contact with the fragrance, the odor in the pipe body 1 can be effectively covered, and the odor-resistant effect of the floor drain is greatly improved. Dismantle apron 18 and filter screen 2 and get off and to add spices in spices filling cavity 4, also can dismantle position sleeve 3 and clear up, simple structure easy dismounting is swift, labour saving and time saving.

Claims

1. The utility model provides a deodorant floor drain, includes body (1) and sets up filter screen (2) in body (1) upper end, its characterized in that: the floor drain also comprises a positioning sleeve (3) arranged on the periphery of the pipe body (1), the lower end of the positioning sleeve (3) is hermetically connected with the pipe body (1), a spice filling cavity (4) is reserved between the positioning sleeve (3) and the pipe body (1), the perfume filling device is characterized in that a perfume through hole (5) is formed in the position, corresponding to the perfume filling cavity (4), on the side wall of the pipe body (1), the filter screen (2) comprises a bottom plate and a side plate, a barrel-shaped structure (2-1) provided with a filter hole (6) and a positioning ring (2-2) formed by bending and extending the upper end of the barrel-shaped structure (2-1) to the outer side, the lower end of the positioning ring (2-2) is in lap joint with the upper end of the pipe body (1), and the outer wall of the positioning ring (2-2) is flush with the outer wall of the perfume filling cavity (4) or extends to the outer side of the outer wall of the perfume filling cavity (4) to form a plugging structure of the perfume filling cavity (4).

2. The odor-resistant floor drain of claim 1, characterized in that: the floor drain also comprises a controller, a sealing plate (7) which is arranged in the pipe body (1) and is positioned below the filter screen (2), a pressure sensor which is arranged on the sealing plate (7), and a telescopic rod (8) which is arranged below the sealing plate (7), wherein the fixed end of the sealing plate (7) is hinged with the pipe body (1) by virtue of a first hinge shaft (9), the free end is hinged with the upper end of the telescopic rod (8), the lower end of the telescopic rod (8) inclines towards the lower part of the first hinge shaft (9) and is hinged with the pipe body (1), the pressure sensor, the controller and the telescopic rod (8) are electrically connected in sequence, and the free end of the sealing plate (7) is in sealing contact with or separated from the pipe body (1) by virtue of the expansion and contraction of the telescopic rod (8).

3. Deodorant floor drain of claim 2, characterized in that: the inner wall of the pipe body (1) is provided with a limiting lug (10), and the lower end face of the limiting lug (10) is in contact with the upper end face of the sealing plate (7) to form a limiting structure of the sealing plate (7).

4. A odour-resistant floor drain according to claim 3, characterized in that: the limiting convex block (10) and the first hinge shaft (9) are positioned between the upper and lower adjacent fragrance through holes (5).

5. The odor-resistant floor drain of claim 1, characterized in that: the floor drain also comprises a shell (11) arranged on the periphery of the positioning sleeve (3), and the positioning sleeve (3) and the shell (11) and the positioning sleeve (3) and the pipe body (1) are detachably connected.

6. A deodorant floor drain of claim 5, characterized in that: the pipe body (1) comprises an upper straight pipe and a lower bent pipe, a positioning sleeve (3) is positioned on the periphery of the upper straight pipe, the lower end of the upper straight pipe protrudes outwards to form a connecting ring (12) with external threads, the positioning sleeve (3) comprises a first sleeve (3-1), a second sleeve (3-2) and a third sleeve (3-3) which are sequentially arranged from top to bottom and communicated, the diameter of the second sleeve (3-2) is linearly reduced from top to bottom, the third sleeve (3-3) is in threaded connection with the connecting ring (12), a positioning edge (13) matched with the second sleeve (3-2) in shape is arranged on the inner side of the lower end of the shell (11), the first sleeve (3-1) is in threaded connection with the shell (11), and the screwing directions between the first sleeve (3-1) and the shell (11) and between the third sleeve (3-3) and the connecting ring (12) are the same.

7. The odor-resistant floor drain of claim 1, characterized in that: the sealing structure is characterized in that a baffle (14) is arranged at the outlet end of the pipe body (1), the upper end of the baffle (14) is hinged with the pipe body (1) through a second hinge shaft (15), an iron block (16) is fixed on the inner side of the lower end of the baffle (14), a magnet (17) is fixed at the outlet end of the pipe body (1), and the magnet (17) and the iron block (16) are attracted to form a sealing structure of the pipe body (1).

8. The odor-resistant floor drain of claim 1, characterized in that: the floor drain also comprises a cover plate (18) arranged above the filter screen (2), the cover plate (18) is clamped with the shell (11), and a drain hole (19) is formed in the position, corresponding to the barrel-shaped structure (2-1), on the cover plate (18).

9. Deodorant floor drain of claim 8, characterized in that: the drain hole (19) located at the center of the cover plate (18) is a long hole, the length direction of the long hole is arranged along the radial direction of the cover plate (18), two sides of the center of the length direction of the long hole extend outwards to form a limiting hole (20), the floor drain further comprises a supporting plate (21) used for penetrating the long hole, a limiting block (22) arranged at the center of the length direction of the supporting plate (21) and a pull rod (23) arranged above the limiting block (22), the upper end face of the supporting plate (21) is in contact with the lower end face of the cover plate (18), the limiting block (22) is clamped with the limiting hole (20), and the upper end of the pull rod (23) is located above the cover plate (18) to form a dismounting structure of the cover plate (18).

10. The odor-resistant floor drain of claim 1, characterized in that: the inner side of each fragrance through hole (5) is provided with a waterproof edge.