A heating component

Abstract

The present invention discloses a heating assembly, including an electric heating pipe, a bracket, a seat, a seal, and an electrode. The bracket is fixed to the seat, the bracket is located at the end of the electric heating pipe, the electrode is fixed to the bracket, the seat has a fluid cavity, the seal is limited by the bracket and the seat, the seal has a protrusion, the protrusion extends into the electric heating pipe and is limited by the electric heating pipe, the protrusion is hollow, and the protrusion communicates the fluid cavity and the inner cavity of the electric heating pipe. The device has a simple structure, low manufacturing cost, firm and reliable connection between components, and simple and convenient assembly.

Description

Technical Field

[0001] The invention relates to the technical field of small liquid heating devices, and in particular to a heating component. Background Art

[0002] Liquid rapid heating equipment tends to be miniaturized, and the existing equipment has a complex structure, which not only increases the manufacturing cost but also is not conducive to assembly. Summary of the invention

[0003] The object of the present invention is to provide a heating component which is compact in structure and easy to manufacture and assemble.

[0004] In order to achieve the above object, the present invention adopts the following technical solutions:

[0005] A heating component includes an electric heating tube, and also includes a bracket part, a seat part, a seal, and an electrode, wherein the bracket part is located at the end of the electric heating tube, the bracket part is fixed to the seat part, the bottom of the bracket part is fixed to the electrode, the seal is limited by the bracket part and the seat part, the seal has a protrusion, the protrusion extends into the electric heating tube and the protrusion is limited by the electric heating tube, the protrusion is hollow, the seat part has a fluid cavity, and the protrusion connects the fluid cavity and the inner cavity of the electric heating tube.

[0006] The sealing member comprises a main body and an outer edge, wherein the main body comprises a first side facing the electric heating tube and a second side facing away from the electric heating tube, the protrusion protrudes from the first side of the main body, and the outer edge protrudes from the second side of the main body, the protrusion is interference fit with the electric heating tube, the outer edge extends into the seat, and the outer edge is tightly fit with the inner wall of the seat.

[0007] The outer edge portion has a corrugated structure, and the corrugated structure of the outer edge portion is in interference fit with the inner wall of the seat body portion; and / or the outer portion of the raised portion has a corrugated structure, and the corrugated structure of the raised portion is in interference fit with the inner wall of the electric heating tube.

[0008] There are two or more electric heating tubes, there are two or more protrusions matching with the electric heating tubes, a groove is formed between the second side of the main body and the outer edge, and the equivalent diameter of the groove is greater than the equivalent diameter of the protrusion;

[0009] And / or a sealing groove is opened inside the seat body, and the outer edge portion is pressed into the sealing groove.

[0010] The support portion is located between the electrode and the sealing member, and the first side of the main body portion abuts against the support portion;

[0011] The bracket portion has an arc-shaped wall portion and a notch, the notch is located on the arc-shaped contraction side of the arc-shaped wall portion, the electrode is provided with through holes whose number and position correspond to the electric heating tube, the notch covers the through hole area of ​​the electrode, and the protrusion is located in the notch area.

[0012] The seat body is sleeved on the bracket, and the periphery of the seat body is fixed with screws or buckles on the side of the bracket; the bottom of the bracket is fixed with the electrode screws or buckles.

[0013] The bracket portion has an arc-shaped wall portion and a column portion, the column portion extends outward from the arc-shaped wall portion, the arc-shaped wall portion cooperates with the electric heating tube, the bottom of the column portion is provided with a slot hole for fixing to the electrode, and the side of the column portion is provided with a protrusion or a slot hole for fixing to the seat portion.

[0014] The electrode is a flat metal sheet, the electrode is provided with through holes corresponding in number and position to the electric heating tube, the electrode has a spring sheet located in the circumference of the through hole, the electric heating tube passes through the through hole, the spring sheet is arranged in contact with the surface of the electric heating tube, the electrode has two or more through holes, the through holes are located around the through hole, and the bracket part and the electrode are fixed by a buckle or a screw inserted into the through hole;

[0015] The heating assembly includes a lead wire, and the lead wire is fixed to the electrode by a buckle or a screw inserted into the through hole;

[0016] The seat body is provided with a temperature measuring element mounting seat, the temperature measuring element mounting seat is installed with a temperature measuring element, and the temperature sensing probe of the temperature measuring element is placed in the fluid cavity.

[0017] In order to achieve the above object, the present invention also adopts the following technical solutions:

[0018] A heating component includes an electric heating tube, and also includes a bracket part, a seat part, a seal, and an electrode, wherein the bracket part is located at the end position of the electric heating tube, the bracket part is fixed to the seat part, the seal and the seat part are limited, the seal has a protrusion, the electrode has a through hole, the electric heating tube passes through the through hole and the electric heating tube and the protrusion are limited, the electrode has a through hole, the through hole is located around the through hole, the bracket has a column part, the bottom of the column part is provided with a slot or a protrusion for fixing to the electrode, and the top of the column part is against the seal.

[0019] The raised portion is hollow and communicates with the inner cavity of the electric heating tube. The bracket portion has an arc-shaped wall portion, and the column portion extends outward from the arc-shaped wall portion, and the arc-shaped wall portion cooperates with the outer wall of the electric heating tube. The bracket portion has a recess, and the recess is located on the arc-shaped contraction side of the arc-shaped wall portion. The recess covers the through-hole area of ​​the electrode, and the raised portion is located in the recess area; the side of the column portion is provided with a protrusion or a slot hole for fixing to the seat portion; the electrode is a flat metal sheet, and the number and position of the through holes correspond to the number and position of the electric heating tubes.

[0020] Beneficial effects: The bracket part of the heating component of the present technical solution is fixed to the seat part, the electrode is fixed to the bracket part, the bracket part is located at the end of the electric heating tube, and the seal, the seat part, and the bracket part are limited, so that the assembly and manufacturing of the seal, the bracket part, the electric heating tube, and the seat part are simple, and the structure is compact and small. BRIEF DESCRIPTION OF THE DRAWINGS

[0021] Figure 1 A schematic diagram of a half-section structure of an embodiment of the present invention;

[0022] Figure 2 for Figure 1 Schematic diagram of part of the structure shown Figure 1 ;

[0023] Figure 3 for Figure 1 Schematic diagram of part of the structure shown Figure 2 ;

[0024] Figure 4 A schematic diagram of the assembly structure of a bracket part according to an embodiment of the present invention;

[0025] Figure 5 for Figure 4 A structural schematic diagram of a view of a bracket portion in FIG.

[0026] Figure 6 for Figure 4 A structural schematic diagram of another view of the bracket portion;

[0027] Figure 7 for Figure 4 A schematic structural diagram of a view of a seal in FIG.

[0028] Figure 8 for Figure 4 A structural schematic diagram of another view of the sealing member;

[0029] Fig. 9 for Figure 4 Schematic diagram of the structure of the electrode;

[0030] Fig.10 for Figure 1 A schematic diagram of a half-section structure of the seat body;

[0031] Fig.11 for Fig.10 A schematic diagram of the three-dimensional structure of the seat body;

[0032] Fig.12 It is a schematic diagram of a half-section structure of a seat body, an electrode and a bracket part clamped together according to another embodiment of the present invention;

[0033] Fig.13 for Fig.12 The schematic diagram of the three-dimensional structure of the seat body, the electrode and the bracket is shown.

[0034] In the figure: a seat body 4, a slot 41, a temperature measuring element 5, a fluid portion 6, an external support 7, a protrusion 8, a bracket portion 9, a recess 91, an arc-shaped wall portion 92, a column portion 93, a slot 94, a protrusion 95, an electric heating tube 10, an electrode 11, a through hole 111, a sealing member 12, a main body 121, a first side 122, a second side 123, an outer edge portion 13, a spring piece 14, a through hole 15, a sealing groove 16, and a temperature measuring element mounting seat 17. DETAILED DESCRIPTION

[0035] The technical solutions in the embodiments of the present invention will be described clearly and completely below in conjunction with the accompanying drawings in the embodiments of the present invention.

[0036] Reference Figure 1-13 A heating component includes one or more electric heating tubes 10. The electric heating tubes 10 have a substrate and an electric heating film. The electric heating film is arranged on the surface of the substrate. The substrate can be quartz, glass, ceramic, metal with an insulating layer, etc. The electric heating film can be a nano film, a thick film, a metal film, a graphene film, etc. When there are more than two electric heating tubes 10, the electric heating tubes 10 can be distributed in an array form, such as a circumferential distribution or a rectangular distribution.

[0037] The heating assembly includes a bracket part 9 and an electrode 11. The bracket part 9 is located at the end of the electric heating tube 10. The bracket part 9 can be two parts located at the two ends of the electric heating tube 10. The bracket part 9 can be two parts of a component or two independent components. The bottom of the bracket part 9 is fixed to the electrode 11. The electrode 11 contacts the electrode of the electric heating film of the electric heating tube 10 and is connected to the external power supply through the electrode 11. After power is turned on, the electric heating film generates heat and transfers heat to the fluid in the electric heating tube.

[0038] The electrode 11 is a flat metal sheet. The electrode 11 is provided with through holes 15 corresponding in number and position to the electric heating tube 10. The electrode 11 has a spring 14 located around the through hole 15. The spring can extend toward the electric heating film of the electric heating tube or toward the inlet and outlet of the electric heating tube. The electric heating tube 10 passes through the through hole 15. The spring 14 is arranged in contact with the surface of the electric heating tube 10. The electrode 11 is clamped together with the electric heating tube 10 through the spring 14. The spring 14 is in contact with the electrode of the electric heating film of the electric heating tube 10. The electrode 11 has two or more through holes 111. The through holes 111 are located around the through hole 15. The bracket part 9 is fixed to the electrode 11 by a buckle or screw inserted into the through hole 111.

[0039] The flat electrode 11 saves raw materials and is directly fixed to the bottom of the bracket 9 by screws or buckles. It is easy to install and the fixation is more secure. A through hole 15 is opened in the electrode 11, which is easy to process. A plurality of evenly distributed spring pieces 14 are provided to ensure that the circumferential force of the electric heating tube 10 is uniform, and at the same time, the connection between the electric heating tube 10 and the electrode 11 is more secure, and effective power can be maintained. Two or more electric heating tubes 10 can also be connected in parallel through the electrode. The lead connected to the power supply is fixed by one of the screws or buckles used to fix the electrode 11. This structure is convenient for the connection of the lead, has a simple structure and low cost.

[0040] The heating assembly includes a seat body 4 and a sealing member 12. The seat body 4 is disposed at both ends of the electric heating tube. The bracket 9 is fixed to the seat body 4. The bracket 9 is located between the sealing member 12 and the electrode 11. The sealing member 12, the bracket 9 and the seat body 4 are limitedly arranged. The seat body 4 is integrally formed with a plurality of external pillars 7 for connecting external equipment. The seat body 4 is provided with a fluid portion 6. A fluid cavity connected to the fluid portion 6 is provided inside the seat body 4.

[0041] The sealing member 12 has a protruding portion 8, a main body 121 and an outer edge portion 13. The main body 121 has a first side 122 facing the electric heating tube 10 and a second side 123 facing away from the electric heating tube 10. The protruding portion 8 is protruded from the first side 122 of the main body 121, and the outer edge portion 13 is protruded from the second side 123 of the main body 121. The protruding portion 8 extends into the electric heating tube 10 and the protruding portion 8 and the electric heating tube 10 are limited. The protruding portion 8 is hollow, and the protruding portion 8 communicates with the fluid cavity and the inner cavity of the electric heating tube 10. The outer edge portion 13 extends into the seat body 4, and the outer edge portion 13 and the inner wall of the seat body 4 are tightly matched to achieve the sealing of the outer edge portion 13 and the seat body 4.

[0042] The number and position of the protrusions 8 correspond to the electric heating tubes 10. When there are two or more electric heating tubes, the protrusions 8 are two or more that match the electric heating tubes 10. The protrusions 8 are inserted into the corresponding electric heating tubes 10 in an interference fit manner, and the protrusions 8 are integrally formed. The protrusions 8 are made of silicone, rubber or plastic, and the protrusions 8 have a corrugated structure on the outside, which is interference fit with the inner wall of the electric heating tube 10. The outer edge 13 has a corrugated structure, and the corrugated structure of the outer edge is interference fit with the inner wall of the seat body 4, further improving the sealing effect.

[0043] A groove is formed between the second side 123 of the main body 121 and the outer edge 13, and the equivalent diameter of the groove is greater than the equivalent diameter of the protrusion 8. When there are more than two protrusions 8, the groove can be used for fluid distribution on the inlet side, and the groove can be used for fluid mixing on the outlet side. A sealing groove 16 is opened inside the seat body 4, and the outer edge 13 is pressed into the sealing groove 16.

[0044] The following takes two or more electric heating tubes 10 as an example to illustrate the working principle of an embodiment of the present invention. The fluid portion 6 of one of the seat parts 4 is connected to an external fluid source, such as a water source, and the water flows into the fluid cavity through the fluid portion 6. The liquid is simultaneously distributed to two or more electric heating tubes 10 through the seal 12, and the heated liquid flows out from the fluid portion 6 of the other seat part 4, effectively dividing the water path from one flow channel into multiple flow channels, and at the same time can effectively seal the seat part 4 and the electric heating tube 10, ensuring a simple and compact structure. The bracket part 9 is fixed to the seat part 4, the bracket part 9 is fixed to the electrode 11, and then fixed to the seal 12, to further ensure a simple and compact structure.

[0045] The through hole of the electrode 11, the raised portion of the seal and the electric heating tube correspond to each other. When there is one electric heating tube, there is also one through hole and raised portion matching therewith. When there are two or more electric heating tubes, there are two or more through holes and raised portions matching therewith.

[0046] As an implementation method, refer to Figure 5 , 6The bracket part 9 has an arc-shaped wall part 92 and a column part 93. The column part 93 extends outward from the arc-shaped wall part 92. The arc-shaped wall part 92 cooperates with the electric heating pipe 10. The bottom of the column part 93 is provided with a slot 94 for fixing with the electrode 11. The top of the column part 93 is against the sealing member 12. The side of the column part 93 is provided with a slot 94 for fixing with the seat part 4. The seat part 4 is sleeved on the bracket part 9. The side of the seat part 4 is fixed with the bracket part 9 by a number of screws. This structure is not only convenient for assembly, but also can make the structure more compact. The first side 122 of the main body 121 is against the bracket part 9. The bracket part 9 has a notch 91. The notch 91 is located on the arc-shaped contraction side of the arc-shaped wall part 92. The notch 91 covers the through-hole area of ​​the electrode 11. The protrusion is located in the notch 91 area. The notch structure of the bracket part 9 makes the assembly structure between the electric heating pipe and the sealing member more compact.

[0047] As another embodiment, refer to Fig.12 and Fig.13 The bottom of the column part 93 is provided with a protrusion 95, which cooperates with the electrode, and the side of the column part 93 is provided with a protrusion 95 for fixing with the seat part 4. The seat part 4 is sleeved on the bracket part 9, and a clamping groove 41 is provided on the periphery of the seat part 4. The protrusion of the column part 93 is clamped in the clamping groove, so that the seat part 4 and the bracket are fixed, the structure is simple and compact, and it is easy to assemble.

[0048] The seat body 4 is provided with a temperature measuring element mounting seat 17, on which a temperature measuring element 5 is installed. The temperature sensing probe of the temperature measuring element 5 is placed in the fluid cavity, which can accurately detect the inlet and outlet water temperatures. The probe is placed in the fluid cavity, which can also disturb the fluid and make the outlet fluid temperature more uniform.

[0049] The device has a simple structure, low manufacturing cost, firm and reliable connections between components, and is simple and convenient to assemble. It can also provide good overheat protection and effectively extend the service life of the device.

[0050] As another embodiment, the heating assembly includes an electric heating tube, a bracket, a seat, a seal, and an electrode. The bracket is located at the end of the electric heating tube, the bracket is fixed to the seat, the seal and the seat are limited, the seal has a protrusion, the electrode has a through hole, the electric heating tube passes through the through hole and the electric heating tube and the protrusion are limited, the electrode has a through hole, the through hole is located around the through hole, the bracket has a column, the bottom of the column is provided with a slot or protrusion for fixing with the electrode, and the top of the column is against the seal. The limiting setting of the electric heating tube and the protrusion includes the protrusion extending into the electric heating tube to achieve the limiting of the two, or the electric heating tube extending into the protrusion to achieve the limiting of the two, and the limiting method can be an interference fit, or a press fit, etc.

[0051] The above description is only a preferred specific implementation manner of the present invention, but the protection scope of the present invention is not limited thereto. Any technical solution, conception, and design obtained by equivalent replacement or modification of the technical solution and inventive concept of the present invention by any technician familiar with the technical field within the technical scope disclosed by the present invention should be covered by the protection scope of the present invention.

Claims

1. A heating assembly, comprising an electric heating tube, characterized in that: The utility model also comprises a bracket part, a seat part, a sealing member, and an electrode, wherein the bracket part is located at the end position of the electric heating tube, the bracket part is fixed to the seat part, the bottom of the bracket part is fixed to the electrode, the sealing member is limitedly arranged with the bracket part and the seat part, the sealing member has a protrusion part, the protrusion part extends into the electric heating tube and the protrusion part and the electric heating tube are limitedly arranged, the protrusion part is hollow, the seat part has a fluid cavity, and the protrusion part connects the fluid cavity and the inner cavity of the electric heating tube; the sealing member has a main body part and an outer edge part, the main body part has a first side facing the electric heating tube and a second side facing away from the electric heating tube, the protrusion part is protruded from the first side of the main body part, the outer edge part is protruded from the second side of the main body part, the protrusion part is interference fit with the electric heating tube, the outer edge part extends into the seat part, and the outer edge part is tightly matched with the inner wall of the seat part; The outer edge portion has a corrugated structure, and the corrugated structure of the outer edge portion is in interference fit with the inner wall of the seat body portion; and / or the outer portion of the protrusion portion has a corrugated structure, and the corrugated structure of the protrusion portion is in interference fit with the inner wall of the electric heating tube; There are two or more electric heating tubes, there are two or more protrusions matching with the electric heating tubes, a groove is formed between the second side of the main body and the outer edge, and the equivalent diameter of the groove is greater than the equivalent diameter of the protrusion; And / or a sealing groove is opened inside the seat body, and the outer edge portion is pressed into the sealing groove.

2. The heating assembly according to claim 1, characterized in that The support portion is located between the electrode and the sealing member, and the first side of the main body portion abuts against the support portion; The bracket portion has an arc-shaped wall portion and a notch, the notch is located on the arc-shaped contraction side of the arc-shaped wall portion, the electrode is provided with through holes whose number and position correspond to the electric heating tube, the notch covers the through hole area of ​​the electrode, and the protrusion is located in the notch area.

3. The heating assembly according to claim 1, characterized in that The seat body is sleeved on the bracket, and the periphery of the seat body is fixed with screws or buckles on the side of the bracket; the bottom of the bracket is fixed with the electrode screws or buckles.

4. The heating assembly according to claim 1, characterized in that The bracket portion has an arc-shaped wall portion and a column portion, the column portion extends outward from the arc-shaped wall portion, the arc-shaped wall portion cooperates with the electric heating tube, the bottom of the column portion is provided with a slot hole for fixing to the electrode, and the side of the column portion is provided with a protrusion or a slot hole for fixing to the seat portion.

5. The heating assembly according to claim 1, characterized in that The electrode is a flat metal sheet, the electrode is provided with through holes corresponding in number and position to the electric heating tube, the electrode has a spring sheet located in the circumference of the through hole, the electric heating tube passes through the through hole, the spring sheet is arranged in contact with the surface of the electric heating tube, the electrode has two or more through holes, the through holes are located around the through hole, and the bracket part and the electrode are fixed by a buckle or a screw inserted into the through hole; The heating assembly includes a lead wire, and the lead wire is fixed to the electrode by a buckle or a screw inserted into the through hole; The seat body is provided with a temperature measuring element mounting seat, the temperature measuring element mounting seat is installed with a temperature measuring element, and the temperature sensing probe of the temperature measuring element is placed in the fluid cavity.

6. A heating assembly, comprising an electric heating tube, characterized in that: It also includes a bracket part, a seat part, a seal, and an electrode, wherein the bracket part is located at the end of the electric heating tube, the bracket part is fixed to the seat part, the seal is limitedly arranged with the seat part, the seal has a protrusion, the electrode has a through hole, the electric heating tube passes through the through hole and the electric heating tube is limitedly arranged with the protrusion, the electrode has a through hole, the through hole is located around the through hole, the bracket has a column part, the bottom of the column part is provided with a slot or a protrusion for fixing with the electrode, and the top of the column part is against the seal; The limiting setting of the electric heating pipe and the raised portion includes the raised portion extending into the electric heating pipe for limiting, or the electric heating pipe extending into the raised portion for limiting.

7. The heating assembly according to claim 6, characterized in that: The raised portion is hollow and communicates with the inner cavity of the electric heating tube. The bracket portion has an arc-shaped wall portion, and the column portion extends outward from the arc-shaped wall portion, and the arc-shaped wall portion cooperates with the outer wall of the electric heating tube. The bracket portion has a recess, and the recess is located on the arc-shaped contraction side of the arc-shaped wall portion. The recess covers the through-hole area of ​​the electrode, and the raised portion is located in the recess area; the side of the column portion is provided with a protrusion or a slot hole for fixing to the seat portion; the electrode is a flat metal sheet, and the number and position of the through holes correspond to the number and position of the electric heating tubes.

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