CN114857277B

CN114857277B - Sterilizing tap

Info

Publication number: CN114857277B
Application number: CN202210781335.6A
Authority: CN
Inventors: 请求不公布姓名
Original assignee: Zhishan Times Intelligent Technology Beijing Co ltd; Zhixin Semiconductor Hangzhou Co Ltd
Current assignee: Zhishan Times Intelligent Technology Beijing Co ltd; Zhixin Semiconductor Hangzhou Co Ltd
Priority date: 2022-07-05
Filing date: 2022-07-05
Publication date: 2023-06-20
Anticipated expiration: 2042-07-05
Also published as: CN114857277A

Abstract

The invention discloses a sterilizing tap, which relates to the technical field of water treatment, wherein an induction piece is fixed on the side wall of a water inlet in a main body, a mounting piece is arranged at the upper end of the main body, a sterilizing mechanism is arranged on the mounting piece, one end of a switch is rotatably connected to one side of the upper end of the main body, the other end of the switch is a free end, the middle part of the switch is movably connected with the upper end of a movable rod, the lower end of the movable rod penetrates through the upper end surface of the main body and the mounting piece and stretches into the main body, the lower end of the movable rod can contact the induction piece to seal the water inlet, the free end is lifted, the switch can drive the movable rod to lift and enable the lower end of the movable rod to separate from the water inlet and the induction piece, the induction piece controls the sterilizing mechanism to be opened, the free end is pressed down, the switch can drive the movable rod to descend and enable the lower end of the movable rod to contact the water inlet and the induction piece, the induction piece controls the sterilizing mechanism to be opened at fixed time, and the water inlet is sealed. The sterilizing tap realizes that the first cup of water which is opened by the tap is sterile water, and improves the sterilizing effect on drinking water.

Description

Sterilizing tap

Technical Field

The invention relates to the technical field of water treatment, in particular to a sterilizing tap.

Background

The deep ultraviolet light emitting diode (UVC LED) has the advantages of low voltage, small size, easy integration, good stability, long service life, digitization, intelligent application and the like, and most importantly, the deep ultraviolet light emitting diode (UVC LED) does not contain toxic substance mercury, is the only substitute light source for large-scale application of physical sterilization and disinfection, is the safest and most environment-friendly sterilization mode currently known, and is widely applied to the fields of ultraviolet communication, sterilization and disinfection and the like.

At present, bacteria are easy to breed in the pipeline conveying process, direct drinking cannot be realized, drinking can only be realized after sterilization and disinfection are needed, and the common sterilization and disinfection of a faucet adopts an external sterilization and disinfection device, and is connected to the front end of a water inlet of the faucet, so that bacteria in water stored in the faucet cannot realize sterilization and disinfection, and the sterilization and disinfection device arranged at the front end of the faucet cannot realize thorough sterilization and disinfection of direct drinking water of the faucet, and also cannot realize that the first cup of water is sterile water when the faucet is started, so that how to solve the problem of the sterilization and disinfection of the interior of the faucet used by drinking water is the problem to be solved urgently by technicians in the field at present.

Disclosure of Invention

The invention aims to provide a sterilizing tap, which solves the problems in the prior art, realizes that the first cup of water started by the tap is sterile water, and improves the sterilizing effect on drinking water.

In order to achieve the above object, the present invention provides the following solutions:

the invention provides a sterilizing tap, which comprises a main body, a switch, a movable rod, a mounting piece and a sterilizing mechanism, wherein the main body is internally provided with a water inlet, a sensing piece is fixed on the side wall of the water inlet, the mounting piece is mounted at the upper end of the main body, the sterilizing mechanism is mounted on the mounting piece, one end of the switch is rotatably connected to one side of the upper end of the main body, the other end of the switch is a free end, the middle part of the switch is movably connected with the upper end of the movable rod, the lower end of the movable rod passes through the upper end surface of the main body and the mounting piece and stretches into the main body, the lower end of the movable rod can contact the sensing piece, the water inlet is blocked, the free end is lifted, the middle part of the switch can drive the movable rod to be separated from the water inlet and the sensing piece, the sensing piece controls the opening of the sterilizing mechanism, the water inlet is opened, the middle part is pressed down, the movable rod can be driven to drive the movable rod to be opened, and the sterilizing mechanism is controlled to be closed.

Preferably, the mounting groove is formed in the position, corresponding to the switch, of the upper end face of the main body, a sealing element is embedded in the mounting groove, a circle of step surface is arranged on the periphery of the sealing element, a fixing element is mounted on the step surface, the periphery of the fixing element is in threaded connection with the inner wall of the mounting groove, and the lower end of the movable rod sequentially penetrates through the sealing element, the upper end face of the main body and the mounting element and stretches into the main body.

Preferably, one end of the switch, which is far away from the free end, is rotatably connected with the upper end of the side wall of the mounting groove through a rotating shaft, and the upper end of the movable rod is movably connected with the middle part of the switch through a screw.

Preferably, the main part includes mutually perpendicular's vertical section and horizontal segment, just the upper end of vertical section with the one end fixed connection and the intercommunication of horizontal segment, keep away from on the horizontal segment the one end of vertical section is equipped with the delivery port, delivery port department threaded connection has the water injection well choke, still be equipped with the inner tube in the vertical segment, the inner tube upper end is fixed on the inner wall at vertical section middle part, just the upper end intercommunication of inner tube the water inlet, the outer wall of inner tube with form annular gap between the inner wall of vertical segment, the upper end of inner tube with the inner wall of vertical segment passes through arc wall connection, and the through-hole has been seted up to the upper end of inner tube, be used for installing in the through-hole the induction piece, just the periphery of induction piece is fixed through sealed silica gel, the induction piece is pressure sensor.

Preferably, an opening is formed in one end, far away from the water outlet, of the horizontal section, a convex ring is fixed on the periphery of the opening, the mounting piece is embedded into the opening and locked through a locking cover, the periphery of the locking cover is connected with the convex ring in a threaded mode, a locking column is arranged at one end of the locking cover, and the locking column is in butt joint with the mounting piece.

Preferably, the mounting piece includes quartz and metalwork, the one end of quartz is fixed with the cap peak, the cap peak be used for with locking lid butt, keep away from on the cap peak one side of locking lid is equipped with the sealing washer, the up end of quartz is equipped with protruding type post, the opening part corresponds protruding type post's position has been seted up protruding type groove, just the quartz embedding in the opening, protruding type post can block into in the protruding type groove, the inside cavity of quartz is used for installing the metalwork, be used for installing on the outer wall of metalwork sterilizing mechanism.

Preferably, a vertical hole is formed in the middle of the quartz piece, the metal piece is U-shaped, and the movable rod can penetrate through the vertical hole and the U-shaped opening of the metal piece.

Preferably, the sterilization mechanism comprises a plurality of circuit boards and a plurality of deep ultraviolet light emitting chips, wherein the circuit boards are respectively arranged on the outer side walls of the metal pieces, and a plurality of the deep ultraviolet light emitting chips are correspondingly arranged on one circuit board.

Preferably, the outer wall of the vertical section is further provided with a wire outlet pipe, the upper end of the wire outlet pipe is close to the sterilizing mechanism and used for being connected with the guiding-out of the control wire of the sterilizing mechanism, the side wall of the wire outlet pipe is provided with a wire outlet hole, the wire outlet hole is communicated with the annular gap and the wire outlet pipe, the wire outlet hole is used for being connected with the guiding-out of the control wire of the sensing piece, and the lower end of the wire outlet pipe is communicated with the outside and used for being connected with an external power supply through each control wire.

Preferably, the connecting device further comprises a connecting cylinder, wherein the connecting cylinder is sleeved on the periphery of the inner tube, the upper end of the connecting cylinder stretches into the annular gap and is in threaded connection with the inner wall of the vertical section, one side of the connecting cylinder, which corresponds to the outlet pipe, is further provided with an outlet slot hole, the upper end of the outlet slot hole is in contact with and communicated with the lower end of the outlet pipe, the outer diameter of the upper part of the connecting cylinder is smaller than the outer diameter of the lower part of the connecting cylinder, a limiting ring is arranged on the outer wall of the middle part of the connecting cylinder, the upper end face of the limiting ring is in contact with the lower end face of the vertical section, a locking nut is in threaded connection with the outer periphery of the lower part of the connecting cylinder, and a gasket is arranged between the upper end face of the locking nut and the lower end face of the limiting ring.

Compared with the prior art, the invention has the following technical effects:

the invention provides a sterilizing tap, wherein a water inlet is arranged in a main body and is used for water flow passing, a sensing piece is fixed on the side wall of the water inlet, a mounting piece is arranged at the upper end of the main body, a sterilizing mechanism is arranged on the mounting piece, one end of a switch is rotationally connected with one side of the upper end of the main body, the other end of the switch is a free end, the middle part of the switch is movably connected with the upper end of a movable rod, the lower end of the movable rod passes through the upper end surface of the main body and the mounting piece and stretches into the main body, the lower end of the movable rod can contact the sensing piece and seal the water inlet, further, the water inlet is opened and closed by controlling the lifting of the movable rod, the on-off control of the water flow in the sterilizing tap is realized, meanwhile, the opening and closing of a sterilizing mechanism are realized along with the action of the movable rod driven by the switch, the sterilization of the water in the main body is realized, the water in the main body can be sterilized, the first cup of water flowing out is sterilized, the free end is lifted, the middle part of the switch can drive the movable rod to lift, the lower end of the movable rod is separated from the water inlet and the sensing piece, the sensing piece controls the sterilizing mechanism to be opened, the water inlet is opened, the water flow and sterilization are synchronously performed, the flowing water is sterilized, the flowing water is ensured to be always used for directly drinking water, the free end is pressed down, the middle part of the switch can drive the movable rod to descend, the lower end of the movable rod is contacted with the water inlet and the sensing piece, the sensing piece controls the sterilizing mechanism to be opened at regular time, the water inlet is closed, the water is no longer flowing, the water is sterilized by the sterilizing mechanism which is opened at regular time, the first cup of water flowing out is further ensured to be sterilized, the whole operation process is simple and convenient, this is achieved by simply operating the switch.

Drawings

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

Fig. 1 is a schematic view of a sterilizing tap (when a switch is turned on) according to the present invention;

fig. 2 is a schematic structural view of the sterilizing tap (when the switch is turned off) according to the present invention;

FIG. 3 is an exploded view of the sterilizing tap provided by the present invention;

FIG. 4 is a schematic diagram of the structure of a quartz member and a metal member according to the present invention;

in the figure: 100. sterilizing the faucet; 1. a switch; 2. a main body; 3. a mounting member; 4. a sterilization mechanism; 5. a movable rod; 6. a fixing member; 7. a seal; 8. a locking cover; 9. a wire outlet pipe; 10. an induction member; 11. a connecting cylinder; 12. a wire outlet slot; 13. a lock nut; 14. a gasket; 15. a water tap; 16. a rotating shaft; 17. a screw; 18. a free end; 19. a horizontal section; 20. a vertical section; 21. an arc-shaped wall; 22. an inner tube; 23. a limiting ring; 24. a wire outlet hole; 25. a control valve; 26. a seal ring; 27. a deep ultraviolet light emitting chip; 28. a circuit board; 29. a metal piece; 30. a quartz member; 31. a water outlet; 32. a screw cap; 33. a convex ring; 34. a convex groove; 35. a through hole; 36. hat brim; 37. and (5) a convex column.

Detailed Description

The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.

The invention aims to provide a sterilizing tap, which solves the technical problem that the existing sterilizing device is arranged at the front end of a water inlet of the tap and cannot sterilize water stored in the tap.

In order that the above-recited objects, features and advantages of the present invention will become more readily apparent, a more particular description of the invention will be rendered by reference to the appended drawings and appended detailed description.

As shown in fig. 1-4, the invention provides a sterilizing tap 100, which comprises a main body 2, a switch 1, a movable rod 5, a mounting part 3 and a sterilizing mechanism 4, wherein the main body 2 is internally used for the passage of water flow, so as to realize the guiding of the water flow, a water inlet is arranged in the main body 2, a sensing part 10 is fixed on the side wall of the water inlet, the sensing part 10 is electrically connected with the sterilizing mechanism 4, further the opening and closing control of the sterilizing mechanism 4 can be realized through the action of the sensing part 10, the mounting part 3 is arranged at the upper end of the main body 2, the sterilizing mechanism 4 is arranged on the mounting part 3, one end of the switch 1 is rotatably connected to one side of the upper end of the main body 2, the other end of the switch 1 is a free end 18, the middle part of the switch 1 is movably connected with the upper end of the movable rod 5, the lower end of the movable rod 5 passes through the upper end of the main body 2 and the mounting part 3 and stretches into the main body 2, the lower end of the movable rod 5 can be contacted with the sensing part 10, the water inlet is further opened and closed by controlling the lifting of the movable rod 5, the opening and closing of the water inlet is realized, the water flow in the sterilizing tap 100 is controlled by the opening and closing of the water flow in the water inlet, simultaneously, the water flow in the main body 1 is driven by the moving rod 5, the water inlet is driven by the lifting the moving part 5, the water inlet is opened and the sterilizing mechanism is opened, the water inlet 4 and the water inlet is opened and closed, the water is simultaneously, the water is directly and opened, the water inlet 4 is freely, and the upper end of the water is freely and opened, and is freely, and opened and is free to the end of the upper end of the sterilizing mechanism 18 and is and opened and is and free to be simultaneously by the upper end 18, the middle part of switch 1 can drive movable rod 5 decline to make movable rod 5's lower extreme contact water inlet and sensing piece 10, sensing piece 10 control sterilization mechanism 4 open regularly, and the water inlet seals, and water no longer flows, and disinfects through the sterilization mechanism 4 of opening regularly, realizes depositing water in main part 2, and the first cup of water of further guaranteeing to flow is sterile water also, and whole operation process is simple and convenient, only can realize through the operation to switch 1. The control valve 25 is fixed at the lower end of the movable rod 5, and the movable rod 5 drives the control valve 25 to lift, so that the water inlet is plugged, and the induction piece 10 is extruded.

Specifically, the mounting groove has been seted up to the position that main part 2 up end corresponds switch 1, embedding a sealing member 7 in the mounting groove, the periphery of movable rod 5 is located to sealing member 7 cover, and play sealed effect, the setting of sealing member 7 still can not influence the reciprocates of movable rod 5 simultaneously, the periphery of sealing member 7 is equipped with round step face, install mounting 6 on the step face, the upper end of sealing member 7 is located to mounting 6 cover promptly, the periphery and the inner wall threaded connection of mounting groove of mounting 6, and then realize stable connection, the lower extreme of movable rod 5 passes sealing member 7 in proper order, main part 2 up end and mounting 3 stretch into in main part 2, in order to be used for water inlet department and sensing member 10 department, realize the switching to the switching of the operating condition of water inlet, and sterilization mechanism 4.

One end of the switch 1 far away from the free end 18 is rotationally connected with the upper end of the side wall of the mounting groove through a rotating shaft 16, the upper end of the movable rod 5 is movably connected with the middle part of the switch 1 through a screw 17 and a nut 32, and then the rotation of the switch 1 can be realized, and the movable rod 5 is driven to lift.

The main part 2 includes mutually perpendicular's vertical section 20 and horizontal section 19, and the upper end of vertical section 20 and the one end fixed connection and the intercommunication of horizontal section 19, the one end that keeps away from vertical section 20 on the horizontal section 19 is equipped with delivery port 31, delivery port 31 department threaded connection has water injection well choke 15, still be equipped with inner tube 22 in the vertical section 20, the inner tube 22 upper end is fixed on the inner wall at vertical section 20 middle part, and the upper end intercommunication water inlet of inner tube 22, be used for rivers to pass through in the inner tube 22, form annular gap between the outer wall of inner tube 22 and the inner wall of vertical section 20, the upper end of inner tube 22 is connected through arc wall 21 with the inner wall of vertical section 20, and be used for installing inductor 10 in the through-hole 35, and then when movable rod 5 descends, the control valve 25 of movable rod 5 lower extreme can act on inductor 10, the periphery of inductor 10 is fixed through sealed silica gel, preferably, inductor 10 is pressure sensor, and then can receive the signal and control sterilization mechanism 4 switches over the operating condition when the pressure sensor is pressed to the control valve 25, open constantly after five seconds.

The one end that keeps away from delivery port 31 on the horizontal segment 19 is equipped with the opening, and open-ended periphery is fixed with a bulge loop 33, and mounting 3 embedding opening to lock through locking lid 8, and locking lid 8's periphery threaded connection is in bulge loop 33, and locking lid 8's one end is equipped with the locking post, and locking post and mounting 3 butt, and then realize the fixed of mounting 3, and this kind of fixed mode can not influence the installation of sterilization mechanism 4 simultaneously.

As shown in fig. 4, the mounting member 3 includes a quartz member 30 and a metal member 29, one end of the quartz member 30 is fixed with a cap peak 36, the cap peak 36 is used for being abutted against the locking cover 8 to realize stable contact and locking, a sealing ring 26 is arranged on one side of the cap peak 36 away from the locking cover 8, namely, a circle of groove is arranged on the side wall of the main body 2 corresponding to the position of the sealing ring 26, the sealing ring 26 is embedded in the groove, a convex column 37 is arranged on the upper end surface of the quartz member 30, a convex groove 34 is arranged at the position of the opening corresponding to the convex column 37, and when the quartz member 30 is embedded in the opening, the convex column 37 can be clamped into the convex groove 34, so that stable connection is realized, the quartz member 30 is hollow and is used for mounting the metal member 29, the sterilization mechanism 4 is mounted on the outer wall of the metal member 29, so that the fixation of the sterilization mechanism 4 is realized, and the sterilization mechanism 4 is fixed at the corner of the main body 2, so that multidirectional sterilization can be realized, and the water treatment effect is improved.

The quartz member 30 is square, and the middle part is provided with a vertical hole, and the metal member 29 is U-shaped, and the movable rod 5 can pass through the vertical hole and the U-shaped opening of the metal member 29, so as to ensure that the arrangement of the quartz member 30 and the metal member 29 can not influence the action of the movable rod 5.

The sterilization mechanism 4 comprises a plurality of circuit boards 28 and a plurality of deep ultraviolet light emitting chips 27, the circuit boards 28 are respectively arranged on the outer side walls of the metal piece 29, a plurality of deep ultraviolet light emitting chips 27 are correspondingly arranged on one circuit board 28, water flow in the whole body is irradiated by deep ultraviolet light, and sterilization and disinfection are carried out on the water flow, preferably, the circuit boards 28 are arranged on the four side walls of the metal piece 29, and further the water treatment efficiency can be improved.

The outer wall of the vertical section 20 is also provided with an outlet pipe 9, the upper end of the outlet pipe 9 is arranged close to the sterilizing mechanism 4 and used for guiding out control wires connected with the sterilizing mechanism 4 so as to supply power to the sterilizing mechanism 4, the side wall of the outlet pipe 9 is provided with an outlet hole 24, the outlet hole 24 is communicated with an annular gap and the outlet pipe 9, the outlet hole 24 is used for guiding out control wires connected with the sensing piece 10 so as to supply power to the sensing piece 10, and the lower end of the outlet pipe 9 is communicated with the outside and used for connecting all the control wires with an external power supply.

The sterilizing tap 100 provided by the invention further comprises a connecting cylinder 11, wherein the connecting cylinder 11 is sleeved on the periphery of the inner pipe 22, the upper end of the connecting cylinder 11 stretches into the annular gap and is in threaded connection with the inner wall of the vertical section 20, stable connection between the connecting cylinder 11 and the main body 2 is realized, an outlet long hole 12 is further formed in one side, corresponding to the outlet pipe 9, of the connecting cylinder 11, the upper end of the outlet long hole 12 is in contact and communicated with the lower end of the outlet pipe 9, the outer diameter of the upper part of the connecting cylinder 11 is smaller than the outer diameter of the lower part of the connecting cylinder 11, a limiting ring 23 is arranged on the outer wall of the middle part of the connecting cylinder 11, the upper end face of the limiting ring 23 is in contact with the lower end of the vertical section 20, a locking nut 13 is in threaded connection with the outer periphery of the lower part of the connecting cylinder 11, and a gasket 14 is arranged between the upper end face of the locking nut 13 and the lower end face of the limiting ring 23, so that connection stability is ensured.

The principles and embodiments of the present invention have been described in this specification with reference to specific examples, the description of which is only for the purpose of aiding in understanding the method of the present invention and its core ideas; also, it is within the scope of the present invention to be modified by those of ordinary skill in the art in light of the present teachings. In summary, the present description should not be construed as limiting the invention.

Claims

1. A sterilizing tap, characterized in that: the water inlet is blocked, the free end is lifted, the middle part of the switch can drive the movable rod to lift, the lower end of the movable rod is separated from the water inlet and the sensing piece, the sensing piece controls the sterilization mechanism to be opened, the free end is pressed down, the middle part of the switch can drive the movable rod to be lowered, and the sensing piece controls the water inlet to be opened, and the water inlet is closed;

the upper end face of the main body is provided with a mounting groove corresponding to the position of the switch, a sealing piece is embedded in the mounting groove, the periphery of the sealing piece is provided with a circle of step surface, a fixing piece is mounted on the step surface, the periphery of the fixing piece is in threaded connection with the inner wall of the mounting groove, and the lower end of the movable rod sequentially penetrates through the sealing piece, the upper end face of the main body and the mounting piece and stretches into the main body;

the main body comprises a vertical section and a horizontal section which are perpendicular to each other, the upper end of the vertical section is fixedly connected and communicated with one end of the horizontal section, a water outlet is formed in one end, far away from the vertical section, of the horizontal section, a water nozzle is connected at the water outlet in a threaded manner, an inner pipe is further arranged in the vertical section, the upper end of the inner pipe is fixed on the inner wall of the middle part of the vertical section, the upper end of the inner pipe is communicated with the water inlet, an annular gap is formed between the outer wall of the inner pipe and the inner wall of the vertical section, the upper end of the inner pipe is connected with the inner wall of the vertical section through an arc-shaped wall, a through hole is formed in the upper end of the inner pipe, the through hole is used for installing the sensing piece, the periphery of the sensing piece is fixed through sealing silica gel, and the sensing piece is a pressure sensor;

an opening is formed in one end, far away from the water outlet, of the horizontal section, a convex ring is fixed on the periphery of the opening, the mounting piece is embedded into the opening and locked through a locking cover, the periphery of the locking cover is connected to the convex ring in a threaded manner, a locking column is arranged at one end of the locking cover, and the locking column is abutted with the mounting piece;

the mounting piece comprises a quartz piece and a metal piece, wherein one end of the quartz piece is fixedly provided with a cap peak, the cap peak is used for being abutted against the locking cover, one side, far away from the locking cover, of the cap peak is provided with a sealing ring, the upper end face of the quartz piece is provided with a convex column, the position, corresponding to the convex column, of the opening is provided with a convex groove, when the quartz piece is embedded into the opening, the convex column can be clamped into the convex groove, the quartz piece is hollow and is used for mounting the metal piece, and the outer wall of the metal piece is provided with the sterilization mechanism;

the sterilization mechanism comprises a plurality of circuit boards and a plurality of deep ultraviolet light emitting chips, wherein the circuit boards are respectively arranged on the outer side walls of the metal pieces, and a plurality of deep ultraviolet light emitting chips are correspondingly arranged on one circuit board;

the sterilization mechanism (4) is fixed at the corner of the main body (2), so that multidirectional sterilization can be realized, and the water treatment effect is improved;

the middle part of quartz spare is equipped with the vertical hole, the metalwork is the U type, the movable rod can pass the vertical hole with the U type opening part of metalwork.

2. The sterilizing tap as claimed in claim 1, wherein: one end of the switch, which is far away from the free end, is rotationally connected with the upper end of the side wall of the mounting groove through a rotating shaft, and the upper end of the movable rod is movably connected with the middle part of the switch through a screw.

3. The sterilizing tap as claimed in claim 1, wherein: the outer wall of vertical section still is equipped with the outlet tube, the upper end of outlet tube is close to the mechanism setting of disinfecting, and is used for connecting the derivation of the control line of mechanism of disinfecting, the lateral wall of outlet tube is equipped with the wire outlet, the wire outlet intercommunication annular clearance with the outlet tube, just the wire outlet is used for connecting the derivation of the control line of induction piece, the lower extreme intercommunication external of outlet tube is used for each control line to connect external power source.

4. A sterilising tap as claimed in claim 3, wherein: the connecting tube is sleeved on the periphery of the inner tube, the upper end of the connecting tube stretches into the annular gap and is in threaded connection with the inner wall of the vertical section, one side of the connecting tube corresponding to the outlet tube is further provided with an outlet long hole, the upper end of the outlet long hole is in contact with and communicated with the lower end of the outlet tube, the outer diameter of the upper portion of the connecting tube is smaller than the outer diameter of the lower portion of the connecting tube, a limiting ring is arranged on the outer wall of the middle of the connecting tube, the upper end face of the limiting ring is in contact with the lower end of the vertical section, a locking nut is in threaded connection with the outer periphery of the lower portion of the connecting tube, and a gasket is arranged between the upper end face of the locking nut and the lower end face of the limiting ring.