Termite monitoring and killing device

Abstract

The utility model discloses a termite monitoring and killing device relates to termite killing technical field, specifically is a kind of termite monitoring and killing device, including device ontology, the empty slot is set in device ontology inside, the sealing cover is installed at device ontology top, the cylindrical trapping rod is installed at the sealing cover bottom, the cylindrical trapping rod is set in empty slot, first through -hole for being used for termite to pass through is formed in the outside of device ontology, the cylindrical trapping rod outside is formed with the second through -hole for emitting drug;By disassembling sealing cover, cylindrical trapping rod can be taken out, then by disassembling cleaning disc, the soil stain of cylindrical trapping rod outer wall can be cleaned by the up and down movement of cleaning disc on the outside of cylindrical trapping rod, then by installing cleaning disc on the outside of trapping rod base in device ontology inner wall and pulling up and down, the soil and stain of device ontology inner wall are cleaned quickly, sealing cover can be quickly installed and disassembled by fixing device.

Description

Technical Field

[0001] This utility model relates to the field of termite extermination technology, specifically a termite monitoring and extermination device. Background Technology

[0002] Termites have existed on Earth for over 250 million years. They reproduce rapidly, are highly adaptable, and are found almost everywhere except in a few extremely cold regions. Termites are known to damage not only buildings but also historical sites, reservoirs and dams, forests, telecommunications equipment, cultural relics, stored goods, food and medicinal herbs, ships, bridges, railway sleepers, and military supplies containing cellulose. Termites are extremely secretive; even when foraging for food and water, they construct concealed trails. Their destruction is carried out covertly, making it difficult to detect. While the surface of the damaged object may appear intact, the interior is often riddled with holes. Once the damage is discovered, it is already done, so early trapping and extermination of termites are crucial.

[0003] The termite control industry has gradually evolved from chemical spraying to termite monitoring and extermination, which has reduced the pollution and damage of chemicals to rivers and vegetation to some extent. Currently, termite monitoring and extermination devices are usually assembled with attractant wood, sprayed with chemicals, and then buried in the soil. However, after being buried for a long time, the inside of the device is often clogged with soil and dirt, which affects the extermination effect. Moreover, cleaning after recycling is inconvenient and affects work efficiency. To address this, we have proposed a termite monitoring and extermination device. Utility Model Content

[0004] This invention provides a termite monitoring and extermination device, which solves the problems mentioned in the background art.

[0005] To achieve the above objectives, this utility model provides the following technical solution:

[0006] A termite monitoring and extermination device includes a device body with an internal slot, a sealing cover on the top of the device body, a cylindrical trapping rod on the bottom of the sealing cover, the cylindrical trapping rod being disposed in the slot, a first through hole for termites to pass through on the outside of the device body, and a second through hole for dispersing pesticide on the outside of the cylindrical trapping rod.

[0007] The sealing cover is detachable from the device body and detachable from the cylindrical trapping rod. A base for placing wooden blocks is installed at the bottom of the cylindrical trapping rod. A detachable cleaning disc is installed on the outer periphery of the bottom of the sealing cover. The cleaning disc is detachably installed from the trapping rod base.

[0008] A second cleaning cloth is installed around the periphery of the cleaning disc, and the size of the periphery of the cleaning disc is adapted to the size of the inner periphery of the device body. A first cleaning cloth is installed around the inner periphery of the cleaning disc, and the size of the inner periphery of the cleaning disc is adapted to the size of the periphery of the cylindrical trapping rod.

[0009] Preferably, the base of the trap rod is provided with a first thread on the outside, and the top of the inner wall of the cleaning disc is provided with a fourth thread. The fourth thread can be threadedly connected to the first thread, and the cleaning disc can be installed on the outside of the trap rod base through the threaded connection between the fourth thread and the first thread.

[0010] Preferably, the cylindrical trap has an internal storage slot for placing drugs, the top of the internal storage slot is provided with a second thread, and the bottom of the sealing cover is installed with a screw. The second thread and the screw are threadedly connected, and the cylindrical trap can be installed at the bottom of the sealing cover by the second thread and the screw threadedly connected.

[0011] Preferably, a third thread is provided inside the bottom of the sealing cover, and the fourth thread can be threadedly connected to the third thread. The cleaning disc can be installed on the bottom of the inner wall of the sealing cover through the threaded connection between the fourth thread and the third thread, and the cleaning disc is sleeved on the outside of the screw.

[0012] Preferably, the sealing cover is further equipped with a fixing device that can quickly fix or remove the sealing cover from the outside of the device body. The fixing device also includes a spring pressing assembly and an elastic deformation assembly. The spring pressing assembly is installed on both sides of the outside of the sealing cover, and the elastic deformation assembly is installed on the outside of the device body at a position corresponding to the spring pressing assembly. When the spring pressing assembly is squeezed, it moves toward and abuts against the elastic deformation assembly. The elastic deformation assembly deforms to fix or remove the sealing cover.

[0013] Preferably, the spring pressing assembly includes a cylindrical retainer, a spring, and a cylindrical abutment;

[0014] The sealing cover has symmetrical holes on its exterior. A spring is installed outside the holes on the exterior of the sealing cover. One end of the spring is fixedly connected to the sealing cover, and the other end of the spring is fixedly connected to a cylindrical retainer. The cylindrical retainer passes through the holes to reach the interior of the sealing cover and is fixedly connected to a cylindrical abutment. A second groove is formed below the holes on the inner wall of the sealing cover.

[0015] Preferably, the elastic deformation component includes an elastic snap-fit ​​device and a semi-circular abutment block;

[0016] The top of the device body is provided with a first slot corresponding to the cylindrical abutment. An elastic snap-fit ​​device is installed at the bottom of the first slot. A semi-circular contact block is installed on the side of the elastic snap-fit ​​device near the second slot. The semi-circular contact block can snap into the second slot. The cylindrical abutment device can contact the top of the elastic snap-fit ​​device.

[0017] Preferably, the bottom inner wall of the sealing cover has a groove, the size of the groove opening is adapted to the size of the cleaning disc, the first cleaning cloth and the second cleaning cloth can be completely stored in the cleaning disc without affecting the installation of the cleaning disc, and the elastic snap-fit ​​is made of elastically deformable material.

[0018] This utility model has the following beneficial effects:

[0019] 1. This termite monitoring and extermination device allows the cylindrical trapping rod to be removed by disassembling the sealing cover and detaching it from the device body. The cleaning disc is then removed from the sealing cover and moved up and down outside the cylindrical trapping rod. A first cleaning cloth cleans the dirt and grime from the outer wall of the cylindrical trapping rod. The cleaning disc is then installed outside the trapping rod base via a fourth thread and the trapping rod base. A second cleaning cloth quickly cleans the dirt and grime inside the device body by pulling it up and down within the device body, thus effectively treating the dirt and grime inside the device.

[0020] 2. This termite monitoring and extermination device uses a spring-pressing component to press a cylindrical abutment that can squeeze an elastic snap-fit ​​device, causing the elastic snap-fit ​​device to disengage from the second slot, thereby removing the sealing cover. This allows for quick disassembly of the sealing cover without the need for slow rotation, improving work efficiency. Attached Figure Description

[0021] Figure 1 This is a schematic diagram of the structure of this utility model;

[0022] Figure 2 This is a schematic diagram of the internal structure of the device of this utility model;

[0023] Figure 3 This is a cross-sectional structural diagram of the sealing cover of the device of this utility model;

[0024] Figure 4 This is a cross-sectional structural diagram of the device of this utility model;

[0025] Figure 5 This is a schematic diagram of the bottom structure of the sealing cap of this utility model;

[0026] Figure 6 This is a schematic diagram of the structure of the first layer of the sealing cap of this utility model;

[0027] Figure 7This is a schematic diagram of the structure of the second layer of the sealing cap of this utility model.

[0028] In the diagram: 1. Device body; 101. Fixing device; 2. First through hole; 3. Sealing cover; 4. Cylindrical trap rod; 5. Second through hole; 6. Trapping rod base; 7. First thread; 8. Cylindrical retainer; 9. Spring; 10. Cylindrical abutment; 11. First slot; 12. Elastic snap-fit ​​device; 13. Second slot; 14. Internal storage slot; 15. Second thread; 16. Cleaning disc; 17. Screw; 19. First cleaning cloth; 20. Third thread; 21. Fourth thread; 22. Second cleaning cloth; 23. Semicircular abutment block. Detailed Implementation

[0029] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0030] Please see Figures 1 to 7 A termite monitoring and extermination device includes a device body 1, an internal slot, a sealing cover 3 on the top, and a cylindrical trapping rod 4 at the bottom. The cylindrical trapping rod 4 is located within the slot. A first through-hole 2 for termites to pass through is provided on the outside of the device body 1, and a second through-hole 5 for dispersing pesticide is provided on the outside of the cylindrical trapping rod 4. By placing the pesticide in an internal storage slot 14 inside the cylindrical trapping rod 4, the pesticide volatilizes and is emitted through the second through-hole 5. After being attracted, termites enter the device body 1 through the first through-hole 2 and gnaw on the wood inside the device body 1 that has been sprayed with pesticide, thereby more effectively exterminating the termites.

[0031] The sealing cover 3 is detachable from the device body 1, and the sealing cover 3 is detachable from the cylindrical trap rod 4. The bottom of the cylindrical trap rod 4 is equipped with a base 6 for placing wooden blocks. A detachable cleaning disc 16 is installed on the outer periphery of the bottom of the sealing cover 3. The cleaning disc 16 is detachably installed from the trap rod base 6. The sealing cover 3 can be removed by fixing device 101. Then, the cleaning disc 16 can be removed from the bottom of the sealing cover 3 by rotation. The cleaning disc 16 can be cleaned on the periphery of the cylindrical trap rod 4 by moving up and down, removing dirt and mud from the periphery of the cylindrical trap rod 4. Then, the sealing cover 3 is detached from the cylindrical trap rod 4 by rotation. The cleaning disc 16 is then installed on the bottom of the trap rod base 6 by the fourth thread 21 and the first thread 7. Then, the cylindrical trap rod 4 is slid up and down on the inner periphery of the device body 1, so that the cleaning disc 16 can clean the dirt and stains on the inner periphery of the device body 1.

[0032] A second cleaning cloth 22 is installed around the periphery of the cleaning disc 16, and the size of the periphery of the cleaning disc 16 is adapted to the size of the inner periphery of the device body 1. A first cleaning cloth 19 is installed around the inner periphery of the cleaning disc 16, and the size of the inner periphery of the cleaning disc 16 is adapted to the size of the periphery of the cylindrical trap rod 4. By removing the cleaning disc 16 from the bottom of the sealing cover 3 and moving it up and down, the cleaning disc 16, along with the first cleaning cloth 19, slides up and down around the periphery of the cylindrical trap rod 4, thus cleaning the periphery of the cylindrical trap rod 4. By installing the cleaning disc 16 at the bottom of the trap rod base 6 and sliding it up and down, the cylindrical trap rod 4, along with the second cleaning cloth 22, slides up and down around the inner periphery of the device body 1, thus cleaning the inner periphery of the device body 1.

[0033] Please see Figures 1 to 7 The base 6 of the trap rod is provided with a first thread 7 on its exterior, and the top of the inner wall of the cleaning disc 16 is provided with a fourth thread 21. The fourth thread 21 can be threadedly connected to the first thread 7. The cleaning disc 16 can be installed on the exterior of the trap rod base 6 through the threaded connection between the fourth thread 21 and the first thread 7. The cleaning disc 16 can be installed at the bottom of the trap rod base 6 through the threaded connection between the first thread 7 and the fourth thread 21, and can be moved up and down in the inner circumference of the device body 1 by sliding up and down. The second cleaning cloth 22 installed on the exterior of the cleaning disc 16 can clean the inner circumference of the device body 1.

[0034] Please see Figures 1 to 6The cylindrical trap rod 4 has an internal storage slot 14 for placing medicine. The top of the internal storage slot 14 is provided with a second thread 15. The bottom of the sealing cover 3 is installed with a screw 17. The second thread 15 and the screw 17 are threadedly connected. The cylindrical trap rod 4 can be installed at the bottom of the sealing cover 3 through the threaded connection of the second thread 15 and the screw 17. Medicine to attract termites can be placed in the internal storage slot 14 and dispersed to attract termites through the second through hole 5. The cylindrical trap rod 4 can be installed at the bottom of the sealing cover 3 through the threaded connection between the second thread 15 and the screw 17. Alternatively, the sealing cover 3 can be removed from the cylindrical trap rod 4 through both, so that the cleaning disc 16 can be removed from the bottom of the sealing cover 3. The first cleaning cloth 19 around the inner circumference of the cleaning disc 16 can be moved up and down to slide up and down around the cylindrical trap rod 4, so as to clean the outer circumference of the cylindrical trap rod 4.

[0035] Please see Figures 1 to 7 The bottom of the sealing cover 3 is provided with a third thread 20, and the fourth thread 21 can be threadedly connected to the third thread 20. The cleaning disc 16 can be installed on the bottom of the inner wall of the sealing cover 3 through the threaded connection of the fourth thread 21 and the third thread 20. The cleaning disc 16 is sleeved on the outside of the screw 17. Through the threaded connection of the fourth thread 21 and the third thread 20, the cleaning disc 16 can be installed at the bottom of the sealing cover 3 without occupying other space, which is lightweight and convenient.

[0036] Please see Figures 1 to 3 The sealing cover 3 is also equipped with a fixing device 101 on its exterior, which can quickly fix or remove the sealing cover 3 from the exterior of the device body 1. The fixing device 101 also includes a spring pressing component and an elastic deformation component. The spring pressing component is installed on both sides of the exterior of the sealing cover 3, and the elastic deformation component is installed on the exterior of the device body 1 at a position corresponding to the spring pressing component. When the spring pressing component is squeezed, it moves toward the elastic deformation component and abuts against it. The elastic deformation component deforms to fix or remove the sealing cover 3. When the sealing cover 3 is installed, the inner wall of the sealing cover 3 can contact the elastic deformation component, and the elastic deformation component deforms. When the installation is finished, the elastic deformation component rebounds to fix the sealing cover 3. When the sealing cover 3 is removed, pressing the spring pressing component can squeeze the elastic deformation component, and the elastic deformation component deforms to release the fixation of the sealing cover 3. Thus, the sealing cover 3 can be quickly installed or removed.

[0037] Please see Figures 1 to 3 The spring pressing assembly includes a cylindrical retainer 8, a spring 9, and a cylindrical abutment 10;

[0038] The sealing cover 3 has symmetrical holes on its exterior. A spring 9 is installed outside the holes on the exterior of the sealing cover 3. One end of the spring 9 is fixedly connected to the sealing cover 3, and the other end of the spring 9 is fixedly connected to the cylindrical retainer 8. The cylindrical retainer 8 passes through the holes to the interior of the sealing cover 3 and is fixedly connected to the cylindrical abutment 10. A second groove 13 is formed below the holes on the inner wall of the sealing cover 3. When the sealing cover 3 is to be removed, the cylindrical retainer 8 is pressed, and the cylindrical retainer 8 pushes the cylindrical abutment 10 to press against the elastic deformation component, causing the elastic deformation component to deform and disengage from the first groove 11, thereby releasing the fixation of the sealing cover 3 and allowing the sealing cover 3 to be removed quickly.

[0039] Please see Figures 1 to 3 The elastic deformation component includes an elastic snap-fit ​​device 12 and a semi-circular abutment block 23;

[0040] A first slot 11 is provided on the top of the device body 1, corresponding to the cylindrical abutment 10. An elastic snap fastener 12 is installed at the bottom of the first slot 11. A semi-circular contact block 23 is installed on the side of the elastic snap fastener 12 near the second slot 13. The semi-circular contact block 23 can engage with the second slot 13. The cylindrical abutment 10 can contact the top of the elastic snap fastener 12. When the sealing cover 3 is installed, the inner wall of the sealing cover 3 can contact the semi-circular contact block 23, causing the elastic snap fastener 12 to deform. When the installation is completed, the elastic snap fastener 12 rebounds and pushes the semi-circular contact block 23 against the second slot 13, thereby quickly fixing the sealing cover 3 to the outside of the device body 1. When disassembly is required, the spring pressing component will squeeze the elastic snap fastener 12, causing the elastic snap fastener 12 to deform and disengage from the second slot 13, thereby quickly removing the sealing cover 3.

[0041] Please see Figures 1 to 7 The bottom inner wall of the sealing cover 3 has a groove, the size of which is adapted to the size of the cleaning disc 16. The first cleaning cloth 19 and the second cleaning cloth 22 can be completely stored inside the cleaning disc 16 without affecting the installation of the cleaning disc 16. The elastic snap fastener 12 is made of elastically deformable material. By installing the cleaning disc 16 in the groove, the space of the device is saved. The fact that the first cleaning cloth 19 and the second cleaning cloth 22 can be completely stored inside the cleaning disc 16 also saves the space of the device. The elastic snap fastener 12 will deform when squeezed.

[0042] In summary, this termite extermination and monitoring device, when in use, first place the termite-attracting drug in the internal storage tank 14, spray the termite-attracting wood with the drug, and place it on the base 6 of the trapping rod. Then, place the cylindrical trapping rod 4 into the device body 1. During placement, the sealing cover 3 will press against the elastic clamp 12 through the semi-circular contact block 23, causing the elastic clamp 12 to deform and shift backward. When the sealing cover 3 completely covers the device body 1, the pressure on the elastic clamp 12 disappears, and it deforms and rebounds, pressing against the second slot 13. At this point, the quick installation of the sealing cover 3 is completed. Then, the device is buried in the soil. Termites can enter the device body 1 through the sealing cover 3 and gnaw on the wood. On rainy days, the drug inside the internal storage tank 14 will also be released through the second through hole 5 to attract termites without being affected. When cleaning is required, the device is removed from the soil. First, by squeezing the cylindrical retainer 8, the cylindrical retainer 8 is squeezed against the cylindrical abutment 10, and the cylindrical abutment 10 squeezes the elastic snap fastener 12. The elastic snap fastener 12 deforms and disengages from the second slot 13. Then, the sealing cover 3 is removed. Next, by rotating, the cleaning disc 16 can be removed from the bottom of the sealing cover 3. The first cleaning cloth 19 can be moved up and down to clean the outside of the cylindrical trap rod 4, removing dirt and grime. Then, by rotating, the sealing cover 3 disengages from the cylindrical trap rod 4. The cleaning disc 16 is then installed at the bottom of the trap rod base 6 through the fourth thread 21 and the first thread 7. Then, the cylindrical trap rod 4 is slid up and down inside the device body 1, allowing the second cleaning cloth 22 to clean the dirt and grime inside the device body 1. This completes the thorough cleaning of the device body.

[0043] In the description of this utility model, it should be noted that the terms "center," "upper," "lower," "left," "right," "vertical," "horizontal," "inner," and "outer," etc., indicating the orientation or positional relationship, are based on the orientation or positional relationship shown in the accompanying drawings and are only for the convenience of describing this utility model and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation, and therefore should not be construed as a limitation of this utility model; the terms "first," "second," and "third" are used for descriptive purposes only and should not be construed as indicating or implying relative importance. In addition, unless otherwise explicitly specified and limited, the terms "installed," "connected," and "linked" should be interpreted broadly. For example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection or an indirect connection through an intermediate medium; it can be a connection within two components. For those skilled in the art, the specific meaning of the above terms in this utility model can be understood according to the specific circumstances. Moreover, the terms “comprising,” “including,” or any other variations thereof are intended to cover non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements includes not only those elements but also other elements not expressly listed, or elements inherent to such process, method, article, or apparatus.

[0044] Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the present invention, the scope of which is defined by the appended claims and their equivalents.

Claims

1. A termite monitoring and extermination device, comprising a device body (1), wherein a hollow groove is provided inside the device body (1), a sealing cover (3) is installed on the top of the device body (1), and a cylindrical trapping rod (4) is installed on the bottom of the sealing cover (3), wherein the cylindrical trapping rod (4) is disposed in the hollow groove, characterized in that: The device body (1) has a first through hole (2) for termites to pass through, and the cylindrical trap rod (4) has a second through hole (5) for distributing medicine. The sealing cover (3) is detachable from the device body (1), and the sealing cover (3) is detachable from the cylindrical trap rod (4). The bottom of the cylindrical trap rod (4) is equipped with a base (6) for placing wooden blocks. A detachable cleaning disc (16) is installed on the outer periphery of the bottom of the sealing cover (3). The cleaning disc (16) is detachably installed from the trap rod base (6). The cleaning disc (16) is surrounded by a second cleaning cloth (22), and the size of the outer periphery of the cleaning disc (16) is adapted to the size of the inner periphery of the device body (1). The inner periphery of the cleaning disc (16) is surrounded by a first cleaning cloth (19), and the size of the inner periphery of the cleaning disc (16) is adapted to the size of the outer periphery of the cylindrical trapping rod (4).

2. The termite monitoring and extermination device according to claim 1, characterized in that: The base (6) of the trap rod is provided with a first thread (7) on the outside, and the top of the inner wall of the cleaning disc (16) is provided with a fourth thread (21). The fourth thread (21) can be threadedly connected to the first thread (7). The cleaning disc (16) can be installed on the outside of the base (6) of the trap rod through the threaded connection between the fourth thread (21) and the first thread (7).

3. The termite monitoring and extermination device according to claim 2, characterized in that: The cylindrical trap rod (4) has an internal storage slot (14) for placing drugs. The top of the internal storage slot (14) is provided with a second thread (15). The bottom of the sealing cover (3) is equipped with a screw (17). The second thread (15) and the screw (17) are threadedly connected. The cylindrical trap rod (4) can be installed on the bottom of the sealing cover (3) through the threaded connection of the second thread (15) and the screw (17).

4. The termite monitoring and extermination device according to claim 3, characterized in that: The bottom of the sealing cover (3) is provided with a third thread (20), and the fourth thread (21) can be threadedly connected to the third thread (20). The cleaning disc (16) can be installed on the bottom of the inner wall of the sealing cover (3) through the threaded connection of the fourth thread (21) and the third thread (20), and the cleaning disc (16) is sleeved on the outside of the screw (17).

5. The termite monitoring and extermination device according to claim 4, characterized in that: The sealing cover (3) is also equipped with a fixing device (101) that can quickly fix or remove the sealing cover (3) from the outside of the device body (1). The fixing device (101) also includes a spring pressing assembly and an elastic deformation assembly. The spring pressing assembly is installed on both sides of the outside of the sealing cover (3). The elastic deformation assembly is installed on the outside of the device body (1) at a position corresponding to the spring pressing assembly. When the spring pressing assembly is squeezed, it moves towards the elastic deformation assembly and abuts against it. The elastic deformation assembly deforms to fix or remove the sealing cover (3).

6. The termite monitoring and extermination device according to claim 5, characterized in that: The spring pressing assembly includes a cylindrical retainer (8), a spring (9), and a cylindrical abutment (10). The sealing cover (3) has symmetrical holes on its exterior. A spring (9) is installed outside the holes on the exterior of the sealing cover (3). One end of the spring (9) is fixedly connected to the sealing cover (3), and the other end of the spring (9) is fixedly connected to the cylindrical retainer (8). The cylindrical retainer (8) passes through the holes to reach the interior of the sealing cover (3) and is fixedly connected to the cylindrical abutment (10). A second groove (13) is provided below the holes on the inner wall of the sealing cover (3).

7. The termite monitoring and extermination device according to claim 6, characterized in that: The elastic deformation component includes an elastic snap-fit ​​(12) and a semi-circular abutment block (23). The top of the device body (1) is provided with a first slot (11) corresponding to the cylindrical abutment (10). An elastic snap fastener (12) is installed at the bottom of the first slot (11). A semi-circular contact block (23) is installed on the side of the elastic snap fastener (12) near the second slot (13). The semi-circular contact block (23) can snap into the second slot (13). The cylindrical abutment (10) can contact the top of the elastic snap fastener (12).

8. The termite monitoring and extermination device according to claim 7, characterized in that: The bottom inner wall of the sealing cover (3) has a groove, the size of the groove opening is adapted to the size of the cleaning disc (16), the first cleaning cloth (19) and the second cleaning cloth (22) can be completely stored in the cleaning disc (16) without affecting the installation of the cleaning disc (16), and the elastic snap fastener (12) is made of elastically deformable material.

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