Electric heating tube connecting structure

Abstract

The utility model discloses an electric heating tube connecting structure which comprises an electric heating tube provided with a lead rod; one end of the second lead terminal is welded with the lead rod; the wire is provided with a first wire terminal, and the first wire terminal is connected with the other end of the second wire terminal in a riveting manner; the first wire terminal, the second wire terminal, the lead rod and the electric heating tube are sleeved with the insulation protection layer. According to the connecting mode, safe, stable and reliable connection of the electric heating tube and the wire is guaranteed, and the phenomenon that the connecting position is broken down due to poor connection is effectively restrained.

Description

Technical Field

[0001] This utility model relates to the field of electric heating tube technology, and specifically to a connection structure for an electric heating tube. Background Technology

[0002] With the increasing popularity and continuous improvement of kitchen appliances, the safe and reliable wiring method of the electric heating element, which is the main heating element of kitchen appliances, is particularly important to ensure the safe and effective operation of kitchen appliances.

[0003] In the past, the conventional method was to select appropriate lead wires based on the electrical parameters and current requirements of the heating element. However, the connection between the heating element and the wire often resulted in burnout, rendering the customer's kitchenware unusable. Utility Model Content

[0004] The purpose of this invention is to provide a safe, reliable, and low-cost electric heating tube connection structure.

[0005] The above-mentioned connection structure is: a heating element connection structure, comprising:

[0006] Heating element with lead rod;

[0007] The second wire terminal 32 is soldered to the lead rod at one end.

[0008] A wire having a first wire terminal, the first wire terminal being crimped to the other end of a second wire terminal;

[0009] An insulating protective layer is fitted over the first conductor terminal, the second conductor terminal, the lead rod, and the heating element.

[0010] Furthermore, the insulating protective layer includes a first heat shrink tubing and an insulating layer, wherein the first heat shrink tubing is sleeved on the first conductor terminal, the second conductor terminal, and the lead rod;

[0011] An insulating layer is fitted over the first heat shrink tubing and the heating element.

[0012] Furthermore, it also includes a second heat shrink tubing;

[0013] The second heat shrink tubing is fitted over the first heat shrink tubing, and the insulating layer is fitted over the second heat shrink tubing.

[0014] Furthermore, the length of the first heat shrink tubing is the same as the length of the second heat shrink tubing, and the first heat shrink tubing is aligned with the second heat shrink tubing.

[0015] Furthermore, the diameter of the insulating layer is larger than the diameter of the second heat shrink tubing, and the diameter of the second heat shrink tubing is larger than the diameter of the first heat shrink tubing.

[0016] The beneficial effects of this utility model are:

[0017] The wiring method of this utility model ensures a safe, stable and reliable connection between the heating element and the wire, and effectively suppresses the phenomenon of the connection being broken down due to poor connection. Attached Figure Description

[0018] Figure 1 This is the circuit structure diagram of this utility model.

[0019] Explanation of reference numerals in the attached drawings: heating element connection structure 1, heating element 11, lead rod 12, first wire terminal 51, wire 31, second wire terminal 32, first heat shrink tubing 41, second heat shrink tubing 42, insulation layer 43. Detailed Implementation

[0020] As shown in Figure 1, an electric heating element connection structure 11 includes:

[0021] The heating element 11 has a lead rod 12;

[0022] The second wire terminal 32, one end of which is welded to the lead rod 12;

[0023] The wire 31 has a first wire terminal 51, and the first wire terminal 51 is riveted to the other end of the second wire terminal 32.

[0024] An insulating protective layer is sleeved on the first conductor terminal 51, the second conductor terminal 32, the lead rod 12, and the heating tube 11.

[0025] The insulating protective layer includes a first heat-shrink tubing 41 and an insulating layer 43. The first heat-shrink tubing 41 is sleeved on the first wire terminal 51, the second wire terminal 32, and the lead rod 12;

[0026] Insulating layer 43 is sleeved on the first heat shrink tube 41 and the electric heating tube 11.

[0027] The insulating protective layer also includes a second heat shrink tubing 42; the second heat shrink tubing 42 is sleeved on the first heat shrink tubing 41, and the insulating layer 43 is sleeved on the second heat shrink tubing 42.

[0028] Furthermore, the length of the first heat shrink tubing 41 is the same as the length of the second heat shrink tubing 42, and the first heat shrink tubing 41 and the second heat shrink tubing 42 are aligned.

[0029] Furthermore, the diameter of the insulating layer 43 is larger than the diameter of the second heat shrink tube 42, and the diameter of the second heat shrink tube 42 is larger than the diameter of the first heat shrink tube 41.

[0030] The installation procedure of the electric heating tube connection structure 1 of this utility model is as follows:

[0031] 1. Install heat shrink tubing and insulation layers of different diameters sequentially;

[0032] 2. Use an automatic riveting machine to firmly connect the first wire terminal and the copper core;

[0033] 3. Connect the first wire terminal and the heating element lead rod using the second wire terminal, and rivet them evenly several times using a special mold;

[0034] 4. To prevent the terminals from cracking or loosening after riveting, the first wire terminal and the lead-out rod must be re-welded.

[0035] 5. Move the heat shrink tubing sequentially from the inside out to the first lead wire terminal, lead rod, and heating tube opening to shrink and fix it;

[0036] 6. Finally, the insulating layer 43 is fitted and fixed to the outside of the two heat shrink tubing 51.

[0037] The wiring method of this utility model ensures a safe, stable and reliable connection between the heating element and the wire, and effectively suppresses the phenomenon of the connection being broken down due to poor connection.

[0038] In summary, the above description is only a preferred embodiment of the present utility model. All equivalent changes and modifications made within the scope of the patent application of the present utility model shall be covered by the present utility model.

Claims

1. An electric heating tube connecting structure characterized by comprising: include: Heating element with lead rod; The second wire terminal, one end of which is soldered to the lead rod; A wire having a first wire terminal, the first wire terminal being crimped to the other end of a second wire terminal; An insulating protective layer is fitted over the first conductor terminal, the second conductor terminal, the lead rod, and the heating element.

2. The electric heating tube connection structure according to claim 1, characterized in that: The insulating protective layer includes a first heat shrink tubing and an insulating layer. The first heat shrink tubing is sleeved on the first conductor terminal, the second conductor terminal, and the lead rod. An insulating layer is fitted over the first heat shrink tubing and the heating element.

3. The electric heating tube connection structure according to claim 2, characterized in that: It also includes a second heat shrink tubing; The second heat shrink tubing is fitted over the first heat shrink tubing, and the insulating layer is fitted over the second heat shrink tubing.

4. The electric heating tube connection structure according to claim 3, characterized in that: The first heat shrink tubing is the same length as the second heat shrink tubing, and the first heat shrink tubing is aligned with the second heat shrink tubing.

5. The electric heating tube connection structure according to claim 4, characterized in that: The diameter of the insulating layer is larger than the diameter of the second heat shrink tubing, and the diameter of the second heat shrink tubing is larger than the diameter of the first heat shrink tubing.

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