CN210989745U

CN210989745U - Heating device

Info

Publication number: CN210989745U
Application number: CN201921146951.4U
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: 2020-07-14
Anticipated expiration: 2029-07-19

Abstract

The utility model discloses a heating device, including the first joint, the second joint that sets up relatively to the first joint, locate heating pipe and inner union between the first joint and the second joint, and central connecting piece; the heating pipe and the inner connecting pipe are arranged at intervals, and a flow passage is formed by the heating pipe and the inner connecting pipe; a first connecting pipe is arranged on the first connector, a second connecting pipe is arranged on the second connector, and the first connecting pipe is communicated with the second connecting pipe through the flow channel; the central connecting piece penetrates through the first joint and the second joint so as to limit and fix the first joint and the second joint. The utility model can directly heat the water passing through the flow passage by the heating pipe, thereby improving the heating efficiency of the heating device during working and realizing the function of instant heating; and the heating device has simple structure and the function of reducing the production cost.

Description

Heating device

Technical Field

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

Background

At present, the existing heating device applied to the water dispenser is complex in structure and high in corresponding production cost, and the existing heating device is low in heating efficiency during working, so that the use requirement of instant heating cannot be met.

SUMMERY OF THE UTILITY MODEL

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

The heating device comprises a first joint, a second joint arranged opposite to the first joint, a heating pipe and an inner connecting pipe arranged between the first joint and the second joint, and a central connecting piece; the heating pipe and the inner connecting pipe are arranged at intervals, and a flow passage is formed by the heating pipe and the inner connecting pipe; a first connecting pipe is arranged on the first connector, a second connecting pipe is arranged on the second connector, and the first connecting pipe is communicated with the second connecting pipe through the flow channel; the central connecting piece penetrates through the first joint and the second joint so as to limit and fix the first joint and the second joint.

As a preferred scheme of the utility model, the heating pipe comprises a hollow base pipe, a first insulating layer arranged on the hollow base pipe, a heating wire and two conductive rings; the number of the heating wires is one, wherein the heating wires are wound on the first insulating layer in a spiral mode and are limited and fixed by two conductive rings.

As the preferred scheme of the utility model, be equipped with the second insulating layer on the heater strip, the second insulating layer with the cooperation of first insulating layer is used for the parcel the heater strip.

As the preferred scheme of the utility model, the conductive ring is formed by connecting the conductive arc plates in a welding mode.

As the preferred scheme of the utility model, be equipped with first boss on the first joint, the second connects and is equipped with the second boss, the both sides tip of cavity parent tube cup joints respectively first boss with on the second boss to seal with first sealing washer respectively.

As a preferred embodiment of the present invention, the first boss is provided with a first step, the second boss is provided with a second step, and both side ends of the inner connecting pipe are respectively sleeved on the first step and the second step and are respectively sealed by the second sealing ring.

As the utility model discloses an optimal scheme, the one end of center connecting piece is equipped with spacing end cap, and the other end is established to the screw thread section, the center connecting piece stretches out first joint or the screw thread section that the second connects is connected with lock nut with the screw thread mode.

As a preferred embodiment of the present invention, the heating device further includes a housing for wrapping the heating pipe, and the housing is fixedly disposed on the first joint and the second joint.

As a preferred embodiment of the present invention, the first joint is provided with a first connection lug, the second joint is provided with a second connection lug, and the housing is fixed to the first connection lug and/or the second connection lug with screws.

As the preferred scheme of the utility model, be equipped with temperature controller on the casing, temperature controller is used for detecting the operating temperature of heating pipe.

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

the heating device provided by the utility model can directly heat the water passing through the flow channel by directly fixing the heating pipe for heating the water on the first joint and the second joint, thereby improving the heating efficiency of the heating device during working and realizing the function of instant heating; and the heating device has simple structure and the function of reducing the production cost.

Drawings

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

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

Fig. 3 is a schematic structural view of a first joint in the heating apparatus of fig. 2.

Fig. 4 is a schematic structural view of a second joint in the heating apparatus of fig. 2.

Fig. 5 is a schematic structural diagram of a heating pipe in the heating apparatus of fig. 2.

Fig. 6 is a schematic view of the structure of a center connection member in the heating apparatus of fig. 2.

10, a first joint; 11. a first adapter tube; 12. a first boss; 13. a first step; 14. a first connecting tab; 20. a second joint; 21. a second adapter tube; 22. a second boss; 23. a second step; 24. a second attachment tab; 30. heating a tube; 31. a hollow base tube; 32. a first insulation; 33. heating wires; 34. a conductive ring; 40. an inner connecting pipe; 50. a central connecting member; 51. a limiting plug; 52. locking the nut; 60. a housing; 61. a temperature controller; 102. a first seal ring; 103. a second seal ring; 104. and a seal ring 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 device 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 device of the present invention is not limited to be applied to a water dispenser, and those skilled in the art can apply the heating device to other electric appliances requiring heating water according to the use requirement, and the description is omitted here.

Referring to fig. 1 to 6, a heating apparatus according to an embodiment of the present invention includes a first joint 10, a second joint 20 disposed opposite to the first joint 10, a heating pipe 30 and an inner pipe 40 disposed between the first joint 10 and the second joint 20, a center connection member 50, and a housing 60 for enclosing the heating pipe 30.

In the present embodiment, the heating pipe 30 and the inner pipe 40 are disposed at intervals, and the heating pipe 30 and the inner pipe 40 together form a flow passage (not shown); the first connector 10 is provided with a first connecting pipe 11, the second connector 20 is provided with a second connecting pipe 21, and the first connecting pipe 11 and the second connecting pipe 21 are communicated through the flow passage. When the heating device of the present embodiment works, water introduced from the first connection pipe 11 of the first joint 10 or the second connection pipe 21 of the second joint 20 can pass through the flow channel, the water in the flow channel can be directly heated by the heating pipe 30 and then guided out, thereby improving the heating efficiency of the heating device during working.

Further, the end of the first connecting pipe 11 on the side far from the first joint 10 is bent by 90 ° relative to the first joint 10, and the end of the second connecting pipe 21 on the side far from the second joint 20 is bent by 90 ° relative to the second joint 20, so that an external water pipe can be connected with the first connecting pipe 11 on the first joint 10 and the second connecting pipe 21 on the second joint 20, and the assembly of the heating device on a water dispenser is facilitated.

The heating pipe 30 of the present embodiment includes a hollow base pipe 31, a first insulation 32 disposed on the hollow base pipe 31, a heating wire 33, and two conductive rings 34. The number of the heating wires 33 is one, and the heating wires 33 are wound on the first insulating layer 32 in a spiral manner and are limited and fixed by two conductive rings 34. When the heating pipe 30 works, the two conductive rings 34 supply electricity to the heating wire 33, the heating wire 33 generates heat after being electrified, and the heat exchange is carried out between the heating wire 33 and the water in the flow channel under the heat conduction of the hollow base pipe 31, so that the effect of heating the water in the flow channel is realized. The distance between any two adjacent turns on the heating wire 33 is equal, so that the heating pipe 30 can uniformly heat the water in the flow channel when being used together, and of course, a person skilled in the art can wind the heating wire 33 more than several turns at the position adjacent to the water inlet side of the flow channel according to the use requirement, and the other one is externally arranged less than several turns to match the direction of the water flow in the flow channel, or the heating wire is arranged in other regular manners, which is not explained herein.

The heating wire 33 is provided with a second insulating layer (not shown), and the second insulating layer is matched with the first insulating layer 32 and used for wrapping the heating wire 33 so as to prevent electric leakage after the heating wire 33 is powered on.

In this embodiment, the conductive ring 34 is formed by connecting conductive arc plates in a welding manner, and when the conductive ring 34 is assembled on the first insulating layer 32 of the hollow base pipe 31, the conductive ring 34 limits and fixes the heating wire 33 in a tight fit manner. That is, when the conductive ring 34 fixes the heating wire 33 on the first insulating layer 32 of the hollow base pipe 31, a conductive shield may be wrapped around the end of the heating wire 33 to be fixed, and then fixed by welding, to finally form the conductive ring 34 for fixing the heating wire 33.

In this embodiment, the first joint 10 is provided with a first boss 12, the second joint 20 is provided with a second boss 22, and both side ends of the hollow base pipe 31 are respectively sleeved on the first boss 12 and the second boss 22 and sealed by the first sealing ring 102, so that the heating pipe 30 is assembled and sealed with the first joint 10 and the second joint 20.

The first boss 12 is provided with a first step 13, the second boss 22 is provided with a second step 23, and both ends of the inner joint pipe 40 are respectively sleeved on the first step 13 and the second step 23 and are respectively sealed by the second sealing ring 103, so that the inner joint pipe 40 is assembled and sealed with the first joint 10 and the second joint 20.

Further, in the present embodiment, a seal ring groove 104 is formed on the outer peripheral surface of each of the first boss 12, the first step 13, the second boss 22, and the second step 23, so as to facilitate the assembly of the first seal ring 102 and the second seal ring 103.

In the present embodiment, the central connecting member 50 penetrates the first joint 10 and the second joint 20 to limit and fix the first joint 10 and the second joint 20.

Specifically, the center connection member 50 is disposed on a center line of the first joint 10 and the second joint 20, one end of the center connection member 50 is provided with a limiting plug 51, and the other end of the center connection member is provided with a threaded section, and when the center connection member 50 connects the first joint 10 and the second joint 20, the center connection member 50 penetrates through the first joint 10 and the second joint 20, wherein the limiting plug 51 on the center connection member 50 abuts against the first joint 10 or the second joint 20, and the threaded section of the center connection member 50 extending out of the second joint 20 or the first joint 10 is connected with a locking nut 52 in a threaded manner, and the locking nut 52 is used to tighten the center connection member 50, so as to limit and fix the first joint 10 and the second joint 20. The center connector 50 and the stopper plug 51 of the present embodiment together form a screw-like structure.

In the present embodiment, the housing 60 surrounds the heating tube 30, so as to protect the heating tube 30, and the housing 60 is fixedly disposed on the first joint 10 and the second joint 20.

Specifically, the first connector 10 is provided with a first connecting protruding piece 14, the second connector 20 is provided with a second connecting protruding piece 24, and the housing 60 and the first connecting protruding piece 14 and/or the second connecting protruding piece 24 are fixedly connected by screws (not shown), so that the housing 60 and the first connector 10 and the second connector 20 are fixedly connected. Specifically, the housing 60 is formed in a half-and-half split structure, so that the housing 60 can be fixed to the first joint 10 and the second joint 20, and the housing 60 and the first connecting tab 14 and/or the second connecting tab 24 can be connected and fixed by welding.

As a preferred embodiment of the present invention, be equipped with temperature controller 61 on casing 60, temperature controller 61 is used for the control the operating temperature of heating pipe 30 specifically can with contact setting on the temperature controller 61 is in the vicinity the position of heater strip 33 on heating pipe 30 is right with this realization the operating temperature of heating pipe 30 monitors to can feed back the signal that obtains to the controller with detecting, specifically, when the temperature reaches the temperature that temperature controller 61 set for, temperature controller 61 works for the circuit disconnection that this heating device is connected, and then the realization is right heating pipe 30 is right the heating control of runner water-logging, the temperature controller 61 of this embodiment sets up to the structure of just, each one of negative pole.

It can be understood that the heating device of the present embodiment is provided by the structure of the temperature controller 61, so that the heating device can monitor the abnormal heating condition, and further has the function of ensuring the safe use of the heating device.

To sum up, the heating device provided by the utility model can directly heat the water passing through the flow channel by the heating pipe by directly fixing the heating pipe for heating the water on the first joint and the second joint, thereby improving the heating efficiency of the heating device during working and realizing the function of instant heating; and the heating device has simple structure and the function of reducing the production cost.

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. The heating device is characterized by comprising a first joint, a second joint arranged opposite to the first joint, a heating pipe and an inner connecting pipe which are arranged between the first joint and the second joint, and a central connecting piece; the heating pipe and the inner connecting pipe are arranged at intervals, and a flow passage is formed by the heating pipe and the inner connecting pipe; a first connecting pipe is arranged on the first connector, a second connecting pipe is arranged on the second connector, and the first connecting pipe is communicated with the second connecting pipe through the flow channel; the central connecting piece penetrates through the first joint and the second joint so as to limit and fix the first joint and the second joint.

2. The heating device according to claim 1, characterized in that: the heating pipe comprises a hollow base pipe, a first insulating layer arranged on the hollow base pipe, a heating wire and two conductive rings; the number of the heating wires is one, wherein the heating wires are wound on the first insulating layer in a spiral mode and are limited and fixed by two conductive rings.

3. The heating device according to claim 2, characterized in that: and a second insulating layer is arranged on the heating wire, and the second insulating layer is matched with the first insulating layer and used for wrapping the heating wire.

4. The heating device according to claim 2, characterized in that: the conductive ring is formed by connecting conductive arc plates in a welding mode.

5. The heating device according to claim 2, characterized in that: the first joint is provided with a first boss, the second joint is provided with a second boss, and the two side end parts of the hollow base tube are respectively sleeved on the first boss and the second boss and are respectively sealed by a first sealing ring.

6. The heating device according to claim 5, wherein: the first boss is provided with a first step, the second boss is provided with a second step, and the two side end parts of the inner connecting pipe are respectively sleeved on the first step and the second step and are respectively sealed by a second sealing ring.

7. The heating device according to claim 1, characterized in that: 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 first joint or the second joint is connected with a locking nut in a threaded mode.

8. The heating device according to claim 1, characterized in that: the heating device further comprises a shell used for wrapping the heating pipe, and the shell is fixedly arranged on the first joint and the second joint.

9. The heating device according to claim 8, characterized in that: the first connector is provided with a first connecting lug, the second connector is provided with a second connecting lug, and the shell and the first connecting lug and/or the second connecting lug are fixed by screws.

10. The heating device according to claim 8, characterized in that: and the shell is provided with a temperature controller, and the temperature controller is used for detecting the working temperature of the heating pipe.