Dustproof sealing cover of rotary mechanical structure

Abstract

The dustproof sealing cover of the rotary mechanical structure comprises the cover body, the rotary structure, the dustproof cover and the sealing assembly, the dustproof cover and the water inlet can be controlled to be opened and closed at the same time by rotating the rotary switch, and operation is convenient; the dustproof cover is telescopic, so that the spout is prevented from being polluted by dust; the dustproof cover stretches and is linked with the sealing assembly, and whether the water inlet is opened or not can be fed back clearly through the position of the dustproof cover; the digital display thermometer can feed back the temperature in the kettle and is practical and attractive; the rotary switch is rotated to drive the gear to rotate so as to drive the sounding nail to bounce, and the rotating hand feeling is good; and the handle joint of the cover main body shell can be connected with various handles, so that the universality is high.

Description

TECHNICAL FIELD

[0001] The utility model relates to the field of drinking kettle, water cup, water bottle and other utensils, and in particular to a dustproof sealing cover of rotary mechanical structure. BACKGROUND

[0002] Kettle, water cup, water bottle (including thermos kettle, thermos cup and the like) are common household goods, and the daily use frequency is higher, the existing thermos kettle has kettle lid or kettle plug, needs to take off the kettle lid and kettle plug manually to pour water, and still needs to install back after pouring water, and the use is more inconvenient, and the spout of most kettles is exposed to the air, leading to dust often existing on the spout, and the dust flows into the water cup with water when pouring water, and long-term drinking is not conducive to health. SUMMARY

[0003] In view of the defects of the existing kettle lid, the technical problem to be solved by the utility model is to provide a dustproof sealing cover of rotary mechanical structure which is convenient to use, has dustproof effect and good sealing effect.

[0004] In order to realize the above-mentioned purpose, according to one aspect of the utility model, the utility model is realized through the following technical measures: a dustproof sealing cover of rotary mechanical structure, 1, including cover main body, rotary structure, dustproof cover, sealing assembly, the cover main body includes cover main body inner shell, cover main body outer shell, the cover main body inner shell one side is equipped with water outlet, and the water outlet top is equipped with dustproof cover groove, and is connected with the water inlet of cover main body inner shell lower end, and the center column center of cover main body inner shell is equipped with center hole;The spout is equipped at one end of the cover main body outer shell, and the cover main body inner shell is movably connected to the cover main body outer shell;

[0005] The rotary structure includes rotary disc, rotary body, sliding body, the rotary disc is installed in the cover main body inner shell and can rotate relative to the cover main body inner shell, and the lower end of the rotary disc is equipped with rotary wheel, and the rotary disc is connected with the rotary body, and the rotary disc can drive the rotary body to rotate synchronously, and the lower end of the rotary body is connected with the sliding body, and the rotary body drives the sliding body to move up and down in the center hole of the cover main body inner shell, and the lower end of the sliding body is equipped with sealing sleeve and annular limit groove;

[0006] One end of the dustproof cover is equipped with cover plate that is consistent with the shape of the spout, and the other end is equipped with movable slot, the movable slot is sleeved on the rotary wheel of the rotary disc, and the rotary wheel drives the dustproof cover to enter and exit the inside of the cover main body through the dustproof cover groove;

[0007] The sealing assembly is connected to the annular limit groove at the lower end of the sliding body.

[0008] Further, the lower end of the rotating body is provided with a support part and a positioning column; the upper end of the sliding body is provided with a central positioning hole connected with the positioning column, and the upper end of the sliding body is provided with a limiting tooth on each side; a slanted sliding part is arranged between the two limiting teeth; the slanted sliding part is provided with a first limiting part and a second limiting part at the two ends respectively; the lower end of the sliding part is provided with a plurality of vertical limiting strips distributed uniformly; the inner wall of the central hole of the inner shell of the cover main body is provided with vertical limiting grooves distributed uniformly; the outer sleeve of the central column is provided with a return spring, one end of which is abutted against the inner shell of the cover main body, and the other end is abutted against the bottom of the slanted sliding part of the sliding body.

[0009] Further, the rotating disc is a gear disc, the rotating wheel is a gear, and a rack is arranged in the movable groove, and the rack and the gear are engaged.

[0010] Further, the cover main body further comprises a fixing block and a cover body, the center of the cover body is provided with a central through hole, the cover body is connected with the inner shell of the cover main body, the cover body is provided with a water outlet groove corresponding to the spout, the upper end of the water outlet groove is provided with a dustproof cover groove, the two sides of the cover body are provided with a fixing block groove, a plurality of clamping strips are arranged on the inner wall of the cover body, the two sides of the inner shell of the cover main body are provided with a baffle, the baffle is provided with a fixed spring connecting groove, the two sides of the inner shell of the cover main body are provided with a fixing block accommodating cavity, the lower end of the fixing block accommodating cavity is provided with a positioning foot groove, the outer wall of the inner shell of the cover main body is provided with a clamping groove corresponding to the clamping strips of the cover body, the two sides of the outer shell of the cover main body are provided with a fixing block connecting groove, the inner wall of the outer shell of the cover main body is provided with a positioning foot limiting groove, the fixing block is provided with a positioning foot, and one side of the fixing block is provided with a spring connecting column.

[0011] Further, the rotating structure further comprises a rotating switch, the rotating switch is connected with the rotating disc, the rotating disc rotates relative to the inner shell of the cover main body when the rotating switch is rotated, the lower end of the rotating disc is provided with a connecting part, the lower edge of the connecting part is provided with a clamping foot, and the lower end of the connecting part is provided with a gear, the central part of the rotating switch is provided with a digital thermometer, the lower end of the digital thermometer is provided with a probe, and the probe extends into the water kettle after passing through the rotating structure, the cover main body and the sealing assembly.

[0012] Further, the dustproof sealing cover of the rotating mechanical structure further comprises a thermometer positioning disc, a polygonal column is arranged at the connection position of the digital thermometer and the probe, the central part of the thermometer positioning disc is provided with a probe hole, the top of the thermometer positioning disc is provided with an inner polygonal hole connected with the polygonal column of the digital thermometer, and the bottom of the thermometer positioning disc is provided with two positioning holes, the rotating disc is provided with two annular grooves, the two sides of the central through hole of the cover body are provided with guiding columns extending towards the upper end, and the guiding columns are connected with the positioning holes at the bottom of the thermometer positioning disc after passing through the annular grooves of the rotating disc.

[0013] Further, the lower end surface of the rotating disc is provided with a circle of uniformly distributed resonant nail teeth, one side of the central through hole of the cover body is provided with a resonant nail column extending towards the lower end, the resonant nail column is provided with a resonant nail spring and a resonant nail, and the upper end of the resonant nail is abutted against the resonant nail teeth.

[0014] Further, the fixed block is provided with guide blocks at both ends, and the fixed block is provided with guide grooves at both sides of the accommodating cavity, and the guide blocks are arranged in the guide grooves.

[0015] Further, the inner wall of the rotary switch is provided with a plurality of uniformly distributed limiting clamping strips, the outer wall of the gear disc is provided with a plurality of uniformly distributed limiting clamping grooves, and the rotary switch and the gear disc are connected and fixed by the limiting clamping strips clamped in the limiting clamping grooves.

[0016] Further, the sealing assembly comprises a sealing ring, a sealing body and a sealing cover.

[0017] Compared with the prior art, the dustproof sealing cover of the rotary mechanical structure has the advantages that the opening and closing of the dustproof cover and the water inlet can be simultaneously controlled by rotating the rotary switch, the operation is convenient, the dustproof cover is telescopic and can prevent the spout from being polluted by dust, the dustproof cover is telescopic and linked with the sealing assembly, the position of the dustproof cover can feed back whether the water inlet is opened or not, the feedback is clear and explicit, the digital display thermometer can feed back the temperature in the kettle, the dustproof sealing cover is practical and beautiful, the rotary switch can drive the gear to rotate and drive the nails to pop, the rotation feels good, and the handle connection part of the cover main body shell can be connected with various handles, and the universality is high. BRIEF DESCRIPTION OF DRAWINGS

[0018] The accompanying drawings, which form a part of this application, are included to provide a further understanding of the application and are incorporated herein in their entirety. The embodiments illustrated in the drawings are utilized to explain and describe this application and are not intended to be an undue limitation thereon. In the drawings:

[0019] Figure 1 FIG. 1 is a structural schematic view of a dustproof sealing cover of a rotary mechanical structure according to the present application;

[0020] Figure 2 FIG. 2 is an exploded view of the dustproof sealing cover of the rotary mechanical structure according to the present application;

[0021] Figure 3 FIG. 3 is a partial parts schematic view of the dustproof sealing cover of the rotary mechanical structure according to the present application;

[0022] Figure 4 FIG. 4 is a structural schematic view of a cover main body inner shell according to the present application;

[0023] Figure 5 FIG. 5 is a structural schematic view of a rotary body according to the present application;

[0024] Figure 6 FIG. 6 is a structural schematic view of a sliding body according to the present application.

[0025] Explanation of reference signs: 1, cover body; 101, fixed block groove; 102, water outlet groove; 103, dust cover groove; 104, guide strip; 105, guide column; 106, tinkle nail column; 107, tinkle nail spring; 108, tinkle nail; 2, cover main body inner shell; 201, baffle; 202, fixed spring connecting groove; 203, fixed block accommodating cavity; 204, positioning foot groove; 205, clamping groove; 206, water outlet; 207, center column; 208, vertical limiting groove; 3, cover main body outer shell; 301, spout; 302, handle connection; 303, fixed block connecting groove; 304, positioning foot limiting groove; 4, fixed block; 401, guide block; 402, positioning foot; 403, spring connecting column; 5, rotary switch; 501, limiting clamping strip; 6, gear disc; 601, limiting clamping groove; 602, annular groove; 603, tinkle nail tooth; 604, clamping foot; 605, gear; 606, polygonal hole; 7, rotary body; 701, polygonal column; 702, cylindrical body; 703, support part; 704, positioning column; 8, sliding body; 801, center positioning hole; 802, limiting tooth; 803, inclined surface sliding part; 804, first limiting part; 805, second limiting part; 806, vertical limiting strip; 807, sealing sleeve; 808, annular limiting groove; 9, dust cover; 901, cover plate; 902, movable groove; 903, rack; 10, sealing assembly; 1001, sealing ring; 1002, sealing body; 1003, sealing cover; 11, digital display thermometer; 12, thermometer positioning disc; 13, reset spring. DETAILED DESCRIPTION

[0026] Hereinafter, the present utility model will be described in detail with reference to the drawings and in conjunction with embodiments. It should be noted that the embodiments in the present application and the features in the embodiments can be combined with each other without conflict.

[0027] In the description of the present utility model, it should be understood that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", "bottom", "top" and the like indicate the orientation or positional relationship shown in the drawings, and are only for the convenience of describing the present utility model and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as a limitation on the present utility model. EMBODIMENT

[0028] Please refer to Figures 1-6The dustproof sealing cover of the rotating mechanical structure is characterized in that the cover main body comprises a cover shell, a rotating structure, a dustproof cover 9 and a sealing assembly 10, the cover shell comprises a cover shell body 1, a cover main body inner shell 2, a cover main body outer shell 3 and a fixing block 4, the cover shell body 1 is provided with fixing block grooves 101 on both sides, the cover shell body 1 is provided with a water outlet 206 groove 102 at a position corresponding to a spout 301, the water outlet 206 groove 102 is provided with a dustproof cover groove 103 at an upper end, the cover shell body 1 is provided with a guide strip 104 on an inner top side, the cover shell body 1 is provided with a center through hole in the center, the center through hole is provided with a chamfer at an edge, the chamfer is convenient for a clamping foot 604 of a gear disc 6 to be clamped in, the center through hole is provided with a guide column 105 on both sides towards an upper end, the center through hole is provided with a tinkle nail column 106 on one side towards a lower end, the tinkle nail column 106 is provided with a tinkle nail spring 107 and a tinkle nail 108 in the inside, the cover shell body 1 is provided with a plurality of clamping strips which are uniformly distributed on an inner wall; the cover main body inner shell 2 is provided with baffle plates 201 on both sides in the inside, the baffle plates 201 and the guide strip 104 are matched to be used for limiting and guiding the dustproof cover 9, the baffle plates 201 are provided with fixed spring connecting grooves 202, the cover main body inner shell 2 is provided with fixing block containing cavities 203 on both sides, the fixing block containing cavities 203 are provided with guide grooves on both sides, the fixing block containing cavities 203 are provided with positioning foot grooves 204 at lower ends, the cover main body inner shell 2 is provided with clamping grooves 205 on an outer wall corresponding to the clamping strips of the cover shell body 1, the cover main body inner shell 2 is provided with a water outlet 206 on one side and is connected with a water inlet at a lower end of the cover main body inner shell 2, the water inlet is provided with an air outlet on the other side, the cover main body inner shell 2 is provided with a center column 207 in the center, the center column 207 is provided with a circular center hole in the center, the inner wall of the center hole is provided with uniformly distributed vertical limiting grooves 208; the cover main body outer shell 3 is provided with a spout 301 at one end of an outer side, is provided with a handle connecting position 302 at the other end, is provided with fixing block connecting grooves 303 on both sides, is provided with positioning foot limiting grooves 304 on an inner wall, the positioning foot limiting grooves 304 are provided with chamfers at upper parts to be conveniently clamped in; the fixing block 4 is provided with guide blocks 401 at both ends, is provided with positioning feet 402 on the fixing block 4, is provided with spring connecting columns 403 on an inner side;

[0029] The rotating structure comprises a rotating switch 5, a gear disc 6, a rotating body 7, and a sliding body 8. The rotating switch 5 is in the shape of a cylindrical bottle cap. A plurality of evenly distributed grooves are arranged on the outer ring of the rotating switch 5 to increase the friction and facilitate rotation. A digital thermometer 11 is arranged at the center of the rotating switch 5. The digital thermometer 11 is provided with a probe. A polygonal column 701 is arranged at the connection between the digital thermometer 11 and the probe. A plurality of evenly distributed limiting clamping strips 501 are arranged on the inner wall of the rotating switch 5. A plurality of evenly distributed limiting clamping grooves 601 are arranged on the outer wall of the gear disc 6. The rotating switch 5 and the gear disc 6 are connected and fixed by being clamped in the limiting clamping grooves 601 through the limiting clamping strips 501. The rotating switch 5 can drive the gear disc 6 to rotate. Two annular grooves 602 are arranged on the gear disc 6. A ring of evenly distributed resonant nails 603 is arranged on the lower end surface of the gear disc 6. A connecting part is arranged at the lower end of the gear disc 6. A clamping leg 604 is arranged at the lower edge of the connecting part. A gear 605 is arranged at the lower end of the connecting part. A polygonal hole 606 is arranged at the center of the gear disc 6. A thermometer positioning disc 12 is arranged below the rotating switch 5. A probe hole is arranged at the center of the thermometer positioning disc 12 to facilitate the probe of the thermometer to pass through. An inner polygonal hole is arranged at the top of the thermometer positioning disc 12 to connect with the polygonal column 701 of the digital thermometer 11. Two positioning holes are arranged at the bottom of the thermometer positioning disc 12. A guide column 105 is connected with the positioning holes at the bottom of the thermometer positioning disc 12 after passing through the annular grooves 602 of the gear disc 6. After the thermometer positioning disc 12 is fixed with the cover body 1, the thermometer positioning disc 12 does not rotate with the rotating switch 5, which can make the digital thermometer 11 not rotate with the rotating switch 5. A polygonal column 701 is arranged at the upper end of the rotating body 7. The polygonal column 701 is connected with the polygonal hole 606 at the center of the gear disc 6. A cylindrical body 702 is arranged at the lower end of the rotating body 7. Support parts 703 are arranged on both sides of the cylindrical body 702. A positioning column 704 is arranged at the center of the lower end of the cylindrical body 702. The sliding body 8 is in the shape of a cylinder. A central positioning hole 801 is arranged at the center of the upper end of the sliding body 8. The central positioning hole 801 is connected with the positioning column 704. A limiting tooth 802 is arranged on each side of the upper end of the sliding body 8. An inclined sliding part 803 is arranged between the two limiting teeth 802. A first limiting part 804 and a second limiting part 805 are arranged on both sides of the inclined sliding part 803. A plurality of evenly distributed vertical limiting strips 806 are arranged at the lower end of the sliding body 8. The vertical limiting strips 806 are connected with the vertical limiting grooves 208 at the center hole of the cover main body inner shell 2. A sealing sleeve 807 is arranged at the lower end of the vertical limiting strips 806. An annular limiting groove 808 is arranged at the lower end of the sliding body 8. A return spring 13 is sleeved on the center column 207 of the cover main body inner shell 2. One end of the return spring 13 abuts against the cover main body inner shell 2, and the other end abuts against the bottom of the inclined sliding part 803 of the sliding body 8.

[0030] The dust cover 9 enters and exits the inside of the cover main body through the dust cover groove 103. One end of the dust cover 9 is provided with a cover plate 901 which is in conformity with the shape of the spout 301. The other end of the dust cover 9 is provided with a movable groove 902. A rack 903 is arranged inside the movable groove 902. The rack 903 is connected with the gear 605 of the gear disc 6.

[0031] The sealing assembly 10 is connected to the annular limiting groove 808 at the lower end of the sliding body 8. The sealing assembly 10 includes a sealing ring 1001, a sealing body 1002, and a sealing cover 1003.

[0032] This embodiment provides a dustproof sealing cover for a rotating mechanical structure. During installation, the limiting clip 501 of the rotary switch 5 is inserted into the limiting slot 601 of the gear disk 6 for fixation. After connection, the rotary switch 5 rotates, driving the gear disk 6 to rotate. The clip 604 of the gear disk 6 is inserted into the central through hole of the cover body 1 for fixation. After connection, the gear disk 6 rotates, while the cover body 1 remains stationary. The two guide posts 105 of the cover body 1 are located in the two annular grooves 602 of the gear disk 6. The knocking nail 108 presses against the knocking nail spring 107 and pushes it into the knocking nail post 106 of the cover body 1. The upper end of the knocking nail 108 abuts against the knocking nail tooth 603. The clip inside the cover body 1 connects to the slot 205 of the inner shell 2 of the cover body. After connection, they are fixed together and cannot rotate. The spring connecting post 403 of the fixing block 4 connects to the fixing spring. The other side of the spring is pressed against the fixing spring connecting groove 202 on the baffle 201, pushing the fixing block 4 to fix the spring. The positioning foot 402 of block 4 is inserted into the positioning foot groove 204. After the fixing block 4 is pushed into the inner shell 2 of the cover body, the inner shell 2 of the cover body is placed into the outer shell 3 of the cover body. The fixing block 4 is released and rebounded into the outer shell 3 of the cover body under the elastic force of the fixing spring. The positioning foot 402 of the fixing block 4 is fixed after being inserted into the positioning foot limiting groove 304. The dust cover 9 is placed between the two guide strips 104 inside the cover body 1. One end of the cover plate 901 of the dust cover 9 extends out from the dust cover groove 103 and covers the spout 301. The rack 903 at the other end of the dust cover 9 is connected to the gear 605 of the gear disk 6. The rotation of the gear 605 can drive the dust cover 9 to extend and retract along the two guide strips 104 inside the cover body 1. The lower end of the dust cover 9 is supported by two baffles 201 of the inner shell 2 of the cover body. The sealing component 10 is connected to the annular limiting groove 808 of the sliding body 8 and blocks the water inlet at the lower end of the inner shell 2 of the cover body.

[0033] The dustproof sealing cover of the rotating mechanical structure provided in the embodiment needs to pour water, rotates the rotating switch 5, drives the gear disc 6 to rotate, the gear disc 6 drives the dustproof cover 9 to retract into the inside of the cover main body, at the same time, the gear disc 6 drives the rotating body 7 to rotate, the support part 703 of the rotating body 7 pushes against the inclined sliding part 803 of the sliding body 8 to slide, moves from the first limiting part 804 to the second limiting part 805, because the sliding body 8 can only move up and down due to the limiting action of the vertical limiting strip 806, the sliding body 8 is pushed by the support part 703 of the rotating body 7 to move downwards, the sliding body 8 compresses the return spring 13 and drives the sealing assembly 10 to move away from the water inlet of the inside shell 2 of the cover main body, at this time, the water in the kettle can enter from the water inlet and flow out from the kettle spout 301, in the rotating process, the resonant nail tooth 603 slides through the resonant nail 108, pushes the resonant nail 108, and then the resonant nail 108 returns to the initial position under the action of the resonant nail spring 107, and reciprocates cyclically; when it needs to be closed, the rotating switch 5 is reversely rotated, the gear disc 6 drives the dustproof cover 9 to extend and cover the kettle spout 301, at the same time, the gear disc 6 drives the rotating body 7 to rotate, the rotating body 7 moves away from the second limiting part 805 and moves towards the first limiting part 804, under the elastic force of the return spring 13, the sliding body 8 moves upwards, drives the sealing assembly 10 to close the water inlet. Embodiment

[0034] The dustproof sealing cover of the rotating mechanical structure provided in the embodiment, compared with the technical scheme of embodiment 1, the difference is as follows: the outer wall of the inside shell 2 of the cover main body is provided with external threads, the inner wall of the outside shell 3 of the cover main body is provided with internal threads, and the inside shell 2 of the cover main body and the outside shell 3 of the cover main body are threadedly connected. Embodiment

[0035] The dustproof sealing cover of the rotating mechanical structure provided in the embodiment, compared with the technical scheme of embodiment 1, the difference is as follows: the movable groove 902 of the dustproof cover 9 is provided with a belt, and the belt is connected with the gear 605 of the gear disc 6. Embodiment

[0036] The dustproof sealing cover of the rotating mechanical structure provided in the embodiment, compared with the technical scheme of embodiment 1, the difference is as follows: the movable groove 902 of the dustproof cover 9 is a snail shell shape (eccentric circle), the movable groove 902 is sleeved on the gear, the movable groove is provided with a gear rack meshing with the gear 902, the gear 902 collides with the gear rack on the small face, and the contact point of the gear and the movable groove gradually moves from the small face to the large face in the rotating process, so that the gear rack drives the dustproof cover to move forward. Embodiment

[0037] Compared with the technical scheme of the embodiment 1, the dustproof sealing cover of the rotary mechanical structure provided by the embodiment has the following differences: the rotary body 7 and the sliding body 8 are fixedly connected (for example, are bonded into one body or are integrally formed), the central hole of the cover main body inner shell 2 is provided with an internal thread, the sliding body 8 is provided with an external thread on the outer wall, the sliding body 8 is threadedly connected with the central hole of the cover main body inner shell 2, the rotary switch 5 is rotated, the gear disc 6 drives the rotary body 7 to rotate, the sliding body 8 is driven by the rotary body 7 to rotate along the thread at the central hole of the cover main body inner shell 2, so as to realize the up and down movement in the central hole of the cover main body inner shell 2, and drive the sealing assembly 10 to open / close the water inlet. Embodiment

[0038] Compared with the technical scheme of the embodiment 1, the dustproof sealing cover of the rotary mechanical structure provided by the embodiment has the following differences: the rotary body 7 and the sliding body 8 are fixedly connected (for example, are bonded into one body or are integrally formed), the central hole of the cover main body inner shell 2 is provided with an internal thread, the sliding body 8 is provided with an external thread on the outer wall, the sliding body 8 is threadedly connected with the central hole of the cover main body inner shell 2, the rotary switch 5 is rotated, the gear disc 6 drives the rotary body 7 to rotate, the sliding body 8 is driven by the rotary body 7 to rotate along the thread at the central hole of the cover main body inner shell 2, so as to realize the up and down movement in the central hole of the cover main body inner shell 2, and drive the sealing assembly 10 to open / close the water inlet.

[0039] The preferred embodiments of the utility model are described above only, and are not used for limiting the utility model, for the person skilled in the art, the utility model can have various changes and changes. Any modification, equivalent replacement, improvement, etc. made within the spirit and principles of the utility model should be included in the protection scope of the utility model.

Claims

1. A dust seal cover for a rotating mechanical structure, characterized by: The utility model provides a cover body, rotation structure, dustproof cover, sealing assembly, the cover body includes cover body inner shell, cover body outer shell, the one side of cover body inner shell is equipped with the water outlet, is equipped with dustproof cover groove above the water outlet, and is connected with the water inlet of cover body inner shell lower extreme, is equipped with the center column in the center of cover body inner shell, and is equipped with the center hole in the center of center column, the one end of cover body outer shell is equipped with the spout, cover body inner shell swing joint is in cover body outer shell, The rotation structure includes a rotating disc, a rotating body and a sliding body. The rotating disc is installed in the cover body inner shell and can rotate relative to the cover body inner shell. The lower end of the rotating disc is provided with a rotating wheel. The rotating disc is connected with the rotating body and can drive the rotating body to rotate synchronously. The lower end of the rotating body is connected with the sliding body. The rotating body drives the sliding body to move up and down in the center hole of the cover body inner shell. The lower end of the sliding body is provided with a sealing sleeve and an annular limiting groove. The dustproof cover is provided with a cover plate at one end, which is matched with the shape of the spout. The other end is provided with a movable groove. The movable groove is sleeved on the rotating wheel of the rotating disc. The rotating wheel drives the dustproof cover to enter or exit the inside of the cover body through the dustproof cover groove. The sealing assembly is connected to the annular limiting groove at the lower end of the sliding body.

2. The dust-proof seal cover of a rotating machine structure according to claim 1, characterized by: The lower end of the rotating body is provided with a supporting part and a positioning column. The upper end of the sliding body is provided with a center positioning hole, which is connected with the positioning column. The upper end of the sliding body is provided with a limiting tooth on each side. A slope sliding part is arranged between the two limiting teeth. The slope sliding part is provided with a first limiting part and a second limiting part at both ends. The lower end of the sliding part is provided with a plurality of vertical limiting strips which are evenly distributed. The inner wall of the center hole of the cover body inner shell is provided with a plurality of vertical limiting grooves which are evenly distributed. The outer sleeve of the center column is provided with a return spring. One end of the return spring is abutted against the cover body inner shell. The other end of the return spring is abutted against the bottom of the slope sliding part of the sliding body.

3. A dust seal cover for a rotating machine structure according to claim 1 or 2, characterized in that: The rotating disc is a gear disc. The rotating wheel is a gear. The movable groove is provided with a rack. The rack and the gear are engaged.

4. The dust-proof seal cover of a rotating machine structure according to claim 1 or 2, characterized by: The cover body further includes a fixed block and a cover body. The center of the cover body is provided with a center through hole. The cover body is connected with the cover body inner shell. The cover body is provided with a water outlet groove corresponding to the spout. The upper end of the water outlet groove is provided with a dustproof cover groove. The two sides of the cover body are provided with a fixed block groove. A plurality of clamping strips are arranged on the inner wall of the cover body. The two sides of the cover body inner shell are provided with a baffle. The baffle is provided with a fixed spring connecting groove. The two sides of the cover body inner shell are provided with a fixed block accommodating cavity. The lower end of the fixed block accommodating cavity is provided with a positioning foot groove. The outer wall of the cover body inner shell is provided with a clamping groove corresponding to the clamping strip of the cover body. The two sides of the cover body outer shell are provided with a fixed block connecting groove. The inner wall of the cover body outer shell is provided with a positioning foot limiting groove. The fixed block is provided with a positioning foot. The one side of the fixed block is provided with a spring connecting column.

5. A dust seal cover for a rotary machine structure according to claim 4, wherein: The rotation structure further includes a rotating switch. The rotating switch is connected with the rotating disc. When the rotating switch is rotated, the rotating disc rotates relative to the cover body inner shell. The lower end of the rotating disc is provided with a connecting part. The lower edge of the connecting part is provided with a clamping foot. The lower end of the connecting part is provided with a gear. The center of the rotating switch is provided with a digital thermometer. The lower end of the digital thermometer is provided with a probe. The probe extends into the kettle after passing through the rotation structure, the cover body and the sealing assembly.

6. The dust seal cover for a rotating machine structure of claim 5, wherein: The dustproof sealing cover of the rotating mechanical structure further comprises a thermometer positioning disc, a digital thermometer and a probe connection part are provided with a polygonal column, a probe hole is arranged at the center of the thermometer positioning disc, an inner polygonal hole connected with the polygonal column of the digital thermometer is arranged at the top of the thermometer positioning disc, two positioning holes are arranged at the bottom of the thermometer positioning disc, the rotating disc is provided with two annular grooves, and guide columns with upward ends are arranged at both sides of the center through hole of the cover body and connected with the positioning holes at the bottom of the thermometer positioning disc after passing through the annular grooves of the rotating disc.

7. The dust seal cover for a rotating machine structure of claim 4, wherein: An even-distributed click tooth is arranged on the lower end surface of the rotating disc, a click column extending downward is arranged at one side of the center through hole of the cover body, and a click spring and a click are arranged in the click column, and the upper end of the click abuts against the click tooth.

8. The dust seal cover for a rotating machine structure of claim 4, wherein: Guide blocks are arranged at both ends of the fixing block, and guide grooves are arranged at both sides of the fixing block accommodating cavity, and the guide blocks are arranged in the guide grooves.

9. The dust seal cover for a rotating machine structure of claim 5, wherein: Limiting clamping strips are arranged on the inner wall of the rotating switch, limiting clamping grooves are arranged on the outer wall of the rotating disc, and the rotating switch and the rotating disc are connected and fixed by clamping the limiting clamping strips in the limiting clamping grooves.

10. The dust-proof seal cover of a rotating machine structure according to claim 1 or 2, characterized by: The sealing assembly comprises a sealing ring, a sealing body and a sealing cover.

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