CN211270116U

CN211270116U - Heating mechanism

Info

Publication number: CN211270116U
Application number: CN201921145978.1U
Authority: CN
Inventors: 潘跃进
Original assignee: Ningbo Jiayin Electrical And Mechanical Technology Co ltd
Current assignee: Ningbo Jiayin Electrical And Mechanical Technology Co ltd
Priority date: 2019-07-19
Filing date: 2019-07-19
Publication date: 2020-08-18
Anticipated expiration: 2029-07-19

Abstract

The utility model discloses a heating mechanism, including the water inlet end cover, the water outlet end cover that sets up relatively to the water inlet end cover, locate heating pipe and ceramic inner tube between the water inlet end cover and the water outlet end cover, and central connecting piece; the heating pipe is in clearance fit with the ceramic inner pipe; a water inlet connector connected and communicated with the water inlet end cover is arranged at one end of the ceramic inner pipe, a water outlet connector connected and communicated with the water outlet end cover is arranged at the other end of the ceramic inner pipe, and the water inlet connector and the water outlet connector are communicated through a spiral flow passage formed in the outer peripheral wall of the ceramic inner pipe; the central connecting piece penetrates through the ceramic inner tube to connect and fix the water inlet end cover and the water outlet end cover. Even if the heating mechanism of the utility model is in dry burning state during working, the water quality of the water dispenser using the heating mechanism is not affected, thereby playing the role of preventing dry burning; meanwhile, the heating mechanism has high heating efficiency during working.

Description

Heating mechanism

Technical Field

The utility model belongs to the technical field of the heating technology is relevant, especially relate to a heating mechanism.

Background

At present, an inner pipe which is used for being matched with a heating pipe on the existing heating mechanism applied to a water dispenser is mostly made of plastic materials, so that once the heating mechanism is dry-burned in work, the inner pipe made of the plastic materials is easy to be burned and generates odor, and the water quality of the water dispenser applying the heating mechanism is influenced; and the heating efficiency of the existing heating mechanism is low when the heating mechanism works.

SUMMERY OF THE UTILITY MODEL

In view of the above, it is necessary to provide a heating mechanism to solve the technical problems in the prior art.

The heating mechanism comprises a water inlet end cover, a water outlet end cover, a heating pipe, a ceramic inner pipe and a central connecting piece, wherein the water outlet end cover is arranged opposite to the water inlet end cover; the heating pipe is in clearance fit with the ceramic inner pipe; a water inlet connector connected and communicated with the water inlet end cover is arranged at one end of the ceramic inner pipe, a water outlet connector connected and communicated with the water outlet end cover is arranged at the other end of the ceramic inner pipe, and the water inlet connector and the water outlet connector are communicated through a spiral flow passage formed in the outer peripheral wall of the ceramic inner pipe; the central connecting piece penetrates through the ceramic inner tube to connect and fix the water inlet end cover and the water outlet end cover.

As the utility model discloses a preferred scheme, it takes over to intake to be equipped with on the end cover, be equipped with out the water on the end cover and take over, water supply connector with water supply connector connects and communicates, go out the water connector with it connects and communicates to go out the water connection.

As a preferable scheme of the utility model, the water inlet joint is inserted into the water inlet connecting pipe and sealed by a first sealing ring; the water outlet joint is inserted into the water outlet connecting pipe and sealed by a second sealing ring.

As the preferred scheme of the utility model, the pottery inner tube is in water supply connector with water outlet connector with the interface position that the spiral runner is connected is seted up jaggedly respectively.

As the utility model discloses a preferred scheme, the heating pipe includes the cavity parent tube, locates insulating layer on the cavity parent tube, and the conducting layer, the conducting layer sets up with the mode of printing on the insulating layer of cavity parent tube.

As a preferred embodiment of the present invention, one end of the conductive layer is connected to a plurality of first conductive tabs, and the other end is connected to a second conductive tab, wherein each of the first conductive tabs can pass through the conductive layer and the second conductive tabs are electrically connected.

As the utility model discloses a preferred scheme, the end cover of intaking with the spacing groove has been seted up on the end cover of going out respectively, first electrically conductive splicing with the second electrically conductive splicing is by the way separately the end cover of intaking perhaps the spacing groove on the end cover of going out stretches out outwards.

As an optimized scheme of the utility model, be equipped with the temperature measurement contact on the conducting layer, and set up NTC temperature sensor on the temperature measurement contact, be used for detecting the operating temperature of heating pipe.

As the utility model discloses an optimal scheme, the one end of central connecting piece is equipped with spacing end cap, and the other end is established to the screw thread section, the central connecting piece stretches out the end cover of intaking or the screw thread section of play water end cover is connected with lock nut with the screw thread mode.

As the utility model discloses an optimal scheme, spacing end cap is established to rotating the head, the end cover of intaking or it is used for matcing to offer on the end cover of play water lock nut's spacing recess.

Because of above-mentioned technical scheme's application, compared with the prior art, the utility model have the following advantage:

the heating mechanism provided by the utility model uses the ceramic inner tube to replace the existing plastic inner tube, so that even if the heating mechanism is in dry burning state during working, the water quality of the water dispenser using the heating mechanism is not affected, thereby playing the role of preventing dry burning; meanwhile, when the heating mechanism works, water flows along the spiral flow channel of the ceramic inner tube and is in direct contact with the heating tube, so that the heating efficiency of the heating mechanism during working is improved, and the function of instant heating can be realized.

Drawings

Fig. 1 is a schematic structural diagram of a heating mechanism according to an embodiment of the present invention.

Fig. 2 is an exploded view of a heating mechanism according to an embodiment of the present invention.

Fig. 3 is a schematic structural view of a water inlet end cover in the heating mechanism of fig. 2.

Fig. 4 is a schematic structural view of a water outlet end cover in the heating mechanism of fig. 2.

Fig. 5 is a schematic structural view of a heating tube in the heating mechanism of fig. 2.

Fig. 6 is a schematic structural view of a ceramic inner tube in the heating mechanism of fig. 2.

Fig. 7 is a schematic structural view of a center connection member in the heating mechanism of fig. 2.

Wherein, 10, the water inlet end cover; 11. a water inlet connecting pipe; 20. a water outlet end cover; 21. a water outlet connecting pipe; 201. a limiting groove; 30. heating a tube; 31. a hollow base tube; 32. an insulating layer; 33. a conductive layer; 34. a first conductive connection; 35. a second conductive connection; 36. an NTC temperature sensor; 301. a rubber gasket; 40. a ceramic inner tube; 41. a water inlet joint; 42. a water outlet joint; 43. a spiral flow channel; 50. a central connecting member; 51. a limiting plug; 101. a first seal ring; 102. a second seal ring; 103. a notch; 120. a limiting groove.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. The terminology used in the description of the invention herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention.

The utility model discloses a heating mechanism for protect is applied to on the water dispenser for water to in the water dispenser heats, realizes the hydrothermal function of water dispenser during operation to this. It should be noted that the heating mechanism of the present invention is not limited to be applied to a water dispenser, and those skilled in the art can apply the heating mechanism to other electric appliances requiring heating water according to the use requirement, and the description is omitted here.

Referring to fig. 1 to 7, a heating mechanism according to an embodiment of the present invention includes a water inlet end cap 10, a water outlet end cap 20 disposed opposite to the water inlet end cap 10, a heating pipe 30 and a ceramic inner pipe 40 disposed between the water inlet end cap 10 and the water outlet end cap 20, and a central connecting member 50.

In the present embodiment, the heating tube 30 and the ceramic inner tube 40 are clearance-fitted; wherein the one end of pottery inner tube 40 be equipped with water supply connector 41 that water inlet end cover 10 is connected and is linked together, the other end be equipped with water outlet connector 42 that water outlet end cover 20 is connected and is linked together, water supply connector 41 with water outlet connector 42 passes through set up some spiral flow path 43 on the outer peripheral wall of pottery inner tube 40 and communicates. When the heating mechanism works, water guided by the water inlet end cover 10 enters the spiral flow passage 43 of the ceramic inner tube 40 through the water inlet joint 41 of the ceramic inner tube 40, flows towards the water outlet joint 42 along the spiral flow passage 43 of the ceramic inner tube 40, and finally flows out of the water outlet end cover 20, wherein the water passing through the spiral flow passage 43 can be in direct contact with the heating pipe 30, and the heating pipe 30 is used for heating the water in the spiral flow passage 43.

It can be understood that the water flows in the spiral flow passage 43 of the ceramic inner tube 40, which prolongs the path of the water passing through the ceramic inner tube 40, and further prolongs the contact time of the water with the heating tube 30, thereby improving the heating efficiency of the heating tube 30 to the water when in operation. And the water flows on the spiral flow passage 43 of the ceramic inner tube 40, so that the volume of the water contacting with the heating tube 30 per unit area is reduced, thereby having an effect of improving the heating efficiency of the heating tube 30 to the water when in operation.

In this embodiment, the water inlet end cover 10 is provided with a water inlet connecting pipe 11, the water outlet end cover 20 is provided with a water outlet connecting pipe 21, the water inlet connector 41 is connected and communicated with the water inlet connecting pipe 11, and the water outlet connector 42 is connected and communicated with the water outlet connecting pipe 21, so that the ceramic inner pipe 40 is arranged between the water inlet end cover 10 and the water outlet end cover 20 and is communicated with the water inlet end cover 10 and the water outlet end cover 20. So that the water introduced from the water inlet end cap 10 can pass through the spiral flow channel 43 on the ceramic inner tube 40 and be led out from the water outlet end cap 20.

Specifically, the water inlet joint 41 is inserted into the water inlet adapter 11 and sealed by a first sealing ring 101; the water outlet joint 42 is inserted into the water outlet connection pipe 21 and sealed by a second sealing ring 102, so that the water inlet joint 41 and the water inlet connection pipe 11, and the water outlet joint 42 and the water outlet connection pipe 21 are assembled and sealed. The water inlet joint 41 and the water outlet joint 42 of the present embodiment are each formed in a stepped structure to facilitate the assembly of the first seal ring 101 and the second seal ring 102.

As a preferred embodiment of the present invention, the ceramic inner tube 40 of the present embodiment is provided with the notches 103 at the interface positions where the water inlet joint 41 and the water outlet joint 42 are connected to the spiral flow channel 43, respectively, so that water can smoothly flow between the water inlet end cap 10, the ceramic inner tube 40, and the water outlet end cap 20.

In the present embodiment, the heating pipe 30 includes a hollow base pipe 31, an insulating layer 32 disposed on the hollow base pipe 31, and a conductive layer 33, wherein the conductive layer 33 is disposed on the insulating layer 32 of the hollow base pipe 31 in a printing manner.

One end of the conductive layer 33 is connected to a plurality of first conductive tabs 34, and the other end is connected to a second conductive tab 35, wherein each of the first conductive tabs 34 can be electrically connected to the second conductive tab 35 through the conductive layer 33. One of the conductive contact pieces 34 of the heating pipe 30 of the present embodiment can be selected to be connected to the second conductive contact piece 35 according to the use requirement, so as to control the heating efficiency of the heating pipe 30 during operation. It should be noted that the resistance value of each of the first conductive contact pieces 34 and the second conductive contact piece 35 is different when connected, so that when the same voltage is applied, the current passing through the conductive layer 33 is different, and thus the conductive layer 33 can generate different heating efficiencies after being applied with the current.

In this embodiment, the water inlet end cap 10 and the water outlet end cap 20 are respectively provided with a limiting groove 120, and the first conductive contact piece 34 and the second conductive contact piece 35 respectively extend outwards through the limiting groove 120 on the water inlet end cap 10 or the water outlet end cap 20. That is, in the present embodiment, the first conductive tab 34 and the second conductive tab 35 are limited by the limiting grooves 120 on the inlet end cover 10 and the outlet end cover 20, so that the first conductive tab 34 and the second conductive tab 35 are connected to an external power source.

In this embodiment, a temperature measuring contact is disposed on the conductive layer 33, and an NTC temperature sensor 36 is disposed on the temperature measuring contact and used for detecting the operating temperature of the heating pipe 30. The heating mechanism can use the working temperature of the heating pipe 30 measured by the NTC temperature sensor 36 as a feedback signal to control the heating efficiency of the heating pipe 30 in real time, so as to meet different use requirements.

As a preferred embodiment of the present invention, the two ends of the hollow base tube 31 on the heating tube 30 of the present embodiment and the water inlet end cap 10 and the water outlet end cap 20 are respectively provided with a rubber gasket 301 therebetween, so as to realize the assembly of the heating tube 30 between the water inlet end cap 10 and the water outlet end cap 20, and the assembly of the water inlet end cap 10 and the water outlet end cap 20 is sealed.

In this embodiment, the central connector 50 penetrates through the ceramic inner tube 40 to connect and fix the water inlet end cap 10 and the water outlet end cap 20.

Specifically, one end of the central connecting member 50 is provided with a limiting plug 51, and the other end of the central connecting member is provided with a threaded section, and the threaded section of the central connecting member 50 extending out of the water inlet end cover 10 or the water outlet end cover 20 is connected with a locking nut (not shown) in a threaded manner, so that the central connecting member 50 can connect and fix the water inlet end cover 10 and the water outlet end cover 20. The center connector 50 and the stopper plug 51 of the present embodiment together form a screw.

The limiting plug 51 is a screwing head, and the water outlet end cover 20 is provided with a limiting groove 201 for matching with the locking nut. When the central connection member 50 is connected to the water inlet end cap 10 and the water outlet end cap 20, the thread section of the central connection member 50 may be inserted into the water inlet end cap 10, the ceramic inner tube 40 and the water outlet end cap 20, and then the locking nut is correspondingly clamped into the limiting groove 201 of the water outlet end cap 20, and the central connection member 50 is screwed by using an external tool, such as a screwdriver, until the central connection member 50 limits and fixes the water inlet end cap 10 and the water outlet end cap 20.

In summary, the heating mechanism provided by the utility model replaces the existing plastic inner pipe with the ceramic inner pipe, so that even if the heating mechanism is in dry burning state during working, the water quality of the water dispenser using the heating mechanism is not affected, thereby playing the role of preventing dry burning; meanwhile, when the heating mechanism works, water flows along the spiral flow channel of the ceramic inner tube and is in direct contact with the heating tube, so that the heating efficiency of the heating mechanism during working is improved, and the function of instant heating can be realized.

The technical features of the embodiments described above may be arbitrarily combined, and for the sake of brevity, all possible combinations of the technical features in the embodiments described above are not described, but should be considered as being within the scope of the present specification as long as there is no contradiction between the combinations of the technical features.

The above-mentioned embodiments only represent some embodiments of the present invention, and the description thereof is specific and detailed, but not to be construed as limiting the scope of the present invention. It should be noted that, for those skilled in the art, without departing from the spirit of the present invention, several variations and modifications can be made, which are within the scope of the present invention. Therefore, the protection scope of the present invention should be subject to the appended claims.

Claims

1. A heating mechanism is characterized by comprising a water inlet end cover, a water outlet end cover arranged opposite to the water inlet end cover, a heating pipe and a ceramic inner pipe which are arranged between the water inlet end cover and the water outlet end cover, and a central connecting piece; the heating pipe is in clearance fit with the ceramic inner pipe; a water inlet connector connected and communicated with the water inlet end cover is arranged at one end of the ceramic inner pipe, a water outlet connector connected and communicated with the water outlet end cover is arranged at the other end of the ceramic inner pipe, and the water inlet connector and the water outlet connector are communicated through a spiral flow passage formed in the outer peripheral wall of the ceramic inner pipe; the central connecting piece penetrates through the ceramic inner tube to connect and fix the water inlet end cover and the water outlet end cover.

2. The heating mechanism of claim 1, wherein: the water inlet end cover is provided with a water inlet connecting pipe, the water outlet end cover is provided with a water outlet connecting pipe, the water inlet connector is connected and communicated with the water inlet connecting pipe, and the water outlet connector is connected and communicated with the water outlet connecting pipe.

3. The heating mechanism of claim 2, wherein: the water inlet joint is inserted into the water inlet connecting pipe and sealed by a first sealing ring; the water outlet joint is inserted into the water outlet connecting pipe and sealed by a second sealing ring.

4. The heating mechanism of claim 1, wherein: the ceramic inner pipe is provided with notches at the positions of the water inlet joint and the water outlet joint which are connected with the spiral flow channel.

5. The heating mechanism of claim 1, wherein: the heating pipe comprises a hollow base pipe, an insulating layer and a conducting layer, wherein the insulating layer is arranged on the hollow base pipe, and the conducting layer is arranged on the insulating layer of the hollow base pipe in a printing mode.

6. The heating mechanism of claim 5, wherein: one end of the conducting layer is connected with a plurality of first conducting connecting pieces, the other end of the conducting layer is connected with a second conducting connecting piece, and each first conducting connecting piece can be electrically connected with the second conducting connecting piece through the conducting layer.

7. The heating mechanism of claim 6, wherein: the water inlet end cover and the water outlet end cover are respectively provided with a limiting groove, and the first conductive contact piece and the second conductive contact piece respectively extend outwards through the limiting grooves in the water inlet end cover or the water outlet end cover.

8. The heating mechanism of claim 5, wherein: and a temperature measuring contact is arranged on the conducting layer, and an NTC temperature sensor is arranged on the temperature measuring contact and used for detecting the working temperature of the heating pipe.

9. The heating mechanism of claim 1, wherein: one end of the central connecting piece is provided with a limiting plug, the other end of the central connecting piece is provided with a threaded section, and the threaded section of the central connecting piece extending out of the water inlet end cover or the water outlet end cover is connected with a locking nut in a threaded mode.

10. The heating mechanism of claim 9, wherein: the limiting plug is a screwing head, and the water inlet end cover or the water outlet end cover is provided with a limiting groove used for being matched with the locking nut.