CN210899657U - Terminal connecting structure of heating tube - Google Patents
Terminal connecting structure of heating tube Download PDFInfo
- Publication number
- CN210899657U CN210899657U CN201921466878.9U CN201921466878U CN210899657U CN 210899657 U CN210899657 U CN 210899657U CN 201921466878 U CN201921466878 U CN 201921466878U CN 210899657 U CN210899657 U CN 210899657U
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- heating tube
- metal
- elastic sheet
- connection structure
- metal elastic
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Abstract
The utility model discloses a heating tube terminal connection structure, include: the heating tube is provided with an electrifying loop; the metal bracket is arranged outside the heating tube and used for fixing the heating tube; the connecting terminal comprises a metal elastic sheet which is electrically connected with an electrifying loop on the heating tube through pressing contact, and an installation piece for installing and fixing the metal elastic sheet; the mounting part is connected and fixed on the metal support, and an insulating silica gel pad is arranged between the mounting part and the metal support. The connecting terminal of the utility model is connected and fixed on the metal bracket of the heating tube, the metal elastic sheet on the connecting terminal is pressed on the power-on loop of the heating tube to realize the electric connection, the original welding connection structure is replaced, and the phenomena of poor contact and spark occurrence are effectively avoided; and the installed part with be provided with insulating silica gel pad between the metal support, effectively isolated binding post and metal support avoid the metal support electrified.
Description
Technical Field
The utility model relates to a heater field, concretely relates to heating tube terminal connection structure for heater.
Background
The prior electric heating tube of the water dispenser utilizes tin to directly weld a conducting strip on a power-on loop of the heating tube, the heating tube can emit high temperature when working, and the tin can be melted at the high temperature and corrode a silver layer used for conducting on the power-on loop of the heating tube, thereby causing poor contact of a wiring end and serious spark when in use.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to solve one of the technical problem that exists among the prior art at least, provide a heating tube terminal connection structure who need not welded connection.
According to the utility model discloses an aspect provides a heating tube terminal connection structure, include: the heating tube is provided with an electrifying loop; the metal bracket is arranged outside the heating tube and used for fixing the heating tube; the connecting terminal comprises a metal elastic sheet which is electrically connected with an electrifying loop on the heating tube through pressing contact, and an installation piece for installing and fixing the metal elastic sheet; the mounting part is connected and fixed on the metal support, and an insulating silica gel pad is arranged between the mounting part and the metal support.
The heating tube terminal connecting structure at least has the following beneficial effects: the connecting terminal is connected and fixed on the metal bracket of the heating tube, and the metal elastic sheet on the connecting terminal is pressed on the power-on loop on the heating tube to realize electric connection, so that the original welding connection structure is replaced, and the phenomena of poor contact and spark are effectively avoided; and the installed part with be provided with insulating silica gel pad between the metal support, effectively isolated binding post and metal support avoid the metal support electrified.
According to the heating tube terminal connection structure of the first aspect of the present invention, the metal spring plate is bent a plurality of times to form a U-like shape, and the U-shaped bottom of the metal spring plate abuts against the power-on circuit of the heating tube to form a crimping end; and the U-shaped vertical edge of the metal elastic sheet is provided with a wiring end which extends out of the mounting piece and is used for connecting an external power supply. The metal elastic sheet adopts the shape, and the U-shaped bottom can be abutted against the power-on loop of the heating tube, so that the electric connection can be better realized.
According to the utility model discloses first aspect heating tube terminal connection structure, binding post still includes pressure spring, pressure spring sets up the installed part with between the crimping end, pressure spring is right the crimping end top to the circular telegram return circuit of heating tube.
According to the utility model discloses first aspect heating tube terminal connection structure, the installed part includes the main part frame of plastics or ceramic manufacture, main part frame both sides be provided with the connection limit of metal support connection, insulating silica gel pad sets up connect the limit below.
According to the utility model discloses the first aspect heating tube terminal connection structure, connect the limit with insulating silica gel stacks up and is provided with corresponding connecting hole.
According to the utility model discloses the first aspect heating tube terminal connection structure, be provided with the fixed orifices on the metal shrapnel, the fixed orifices sets up on the terminal, still be provided with the wiring hole on the terminal. The metal shrapnel is fixed on the mounting part or the heating tube through the fixing hole, and the wiring hole of the wiring end is used for connecting an external power supply terminal.
According to the utility model discloses first aspect heating tube terminal connection structure, on the metal shrapnel with one side that the wiring end is relative is provided with the location inserted sheet through buckling, metal shrapnel accessible location inserted sheet and wiring end are installed on the installed part.
According to the utility model discloses the first aspect heating tube terminal connection structure, the installed part with relative arch that is used for fixed pressure spring about being provided with on the metal shrapnel, pressure spring sets up between two archs, carries on spacingly through two archs to pressure spring both ends, avoids pressure spring to drop.
Drawings
The invention is further described below with reference to the accompanying drawings and examples.
Fig. 1 is a schematic structural view of the heating tube after installation.
Fig. 2 is a schematic structural view of the connection terminal.
Fig. 3 is a schematic structural diagram of a metal dome.
Detailed Description
This section will describe in detail the embodiments of the present invention, preferred embodiments of the present invention are shown in the attached drawings, which are used to supplement the description of the text part of the specification with figures, so that one can intuitively and vividly understand each technical feature and the whole technical solution of the present invention, but they cannot be understood as the limitation of the protection scope of the present invention.
In the description of the present invention, it should be understood that the orientation or positional relationship indicated with respect to the orientation description, such as up, down, front, rear, left, right, etc., is based on the orientation or positional relationship shown in the drawings, and is only for convenience of description and simplification of description, and does not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention.
In the description of the present invention, a plurality of means are one or more, a plurality of means are two or more, and the terms greater than, less than, exceeding, etc. are understood as not including the number, and the terms greater than, less than, within, etc. are understood as including the number. If the first and second are described for the purpose of distinguishing technical features, they are not to be understood as indicating or implying relative importance or implicitly indicating the number of technical features indicated or implicitly indicating the precedence of the technical features indicated.
In the description of the present invention, unless there is an explicit limitation, the words such as setting, installation, connection, etc. should be understood in a broad sense, and those skilled in the art can reasonably determine the specific meanings of the above words in combination with the specific contents of the technical solution.
Referring to fig. 1, the utility model provides a pair of electrothermal tube for household electrical appliances such as water dispenser, including heating tube 30, be provided with the circular telegram return circuit on the heating tube 30, be provided with the wiring port that is used for connecting external power on the circular telegram return circuit. The metal bracket 40 is arranged outside the heating tube 30, and the metal bracket 40 surrounds and protects the heating tube 30 and fixes the heating tube 30. The metal bracket 40 is provided with a plurality of connecting terminals 10 and a protection switch 20.
Referring to fig. 2, the connection terminal 10 includes a mounting member 11, a metal dome 12, a pressure spring 13, and an insulating silicone rubber pad 14. The mounting piece 11 is fixed on the metal support through an insulating silica gel pad 14, the metal elastic sheet 12 is mounted on the mounting piece 11, the pressure spring 13 is arranged between the mounting piece 11 and the metal elastic sheet 12, and the lower part of the metal elastic sheet 12 abuts against an electrified loop of the heating tube.
The mounting member 11 includes a main frame 111 made of plastic or ceramic, the main frame 111 is hollow, the metal elastic sheet 12 and the pressure spring 13 are mounted inside the main frame 111, a hole is formed in the upper portion of the main frame 111, and a terminal 121 of the metal elastic sheet 12 extends out of the hole of the main frame 111 for connecting an external power supply. The mounting member 11 of the present embodiment is fixed to the metal bracket by bolts, so that the connecting edges 112 are respectively provided on both sides of the main body frame 111, and the insulating silicone pad 14 is provided below the connecting edges 112. The insulating silica gel pad 14 and the connecting edge 112 are correspondingly provided with a connecting hole 1121, and the mounting member 11 and the insulating silica gel pad 14 are fixed on the metal bracket by a bolt penetrating through the connecting hole 1121. The insulating silica gel pad 14 is used for isolating the mounting part 11 and the metal support, so that the metal support is prevented from being electrified.
Referring to fig. 2, the metal dome 12 is formed by bending for multiple times. The metal spring 12 includes a terminal 121 extending out of the mounting member, and a U-shaped crimping end 122, and the terminal 121 is provided with a wiring hole 1211 for connecting an external power supply terminal. The terminal 121 is arranged on the top of one side of the U-shaped crimping end 122, the positioning insertion piece 123 is arranged on the other side of the U-shaped crimping end 122, the terminal 121 and the positioning insertion piece 123 are clamped on a corresponding hole groove formed in the main body frame 111, so that the metal elastic piece 12 is fixedly arranged in the main body frame 111, and the bottom of the crimping end 122 abuts against an electrifying circuit of the heating tube. Furthermore, the terminal 121 may further be provided with a fixing hole 1212, and the metal elastic piece 12 is fixed on the mounting member 11 or the metal bracket by a bolt of the fixing hole 1212. The bottom of crimp end 122 is provided with a locating pin 1221.
Referring to fig. 2, the pressure spring 13 is disposed between the body frame 111 and the crimping end 122 to push the crimping end 122 toward the heat generating tube, ensuring good contact. For better fixing the pressure spring 13, the main frame 111 and the crimping end 122 are provided with protrusions facing up and down, wherein the protrusions on the crimping end 122 are positioning pins 1221. Pressure spring 13 sets up between two archs, carries on spacingly to pressure spring 13 both ends through two archs, avoids pressure spring 13 to drop.
The heating tube terminal connecting structure of the utility model has the advantages that the connecting terminal is connected and fixed on the metal bracket of the heating tube, the metal elastic sheet on the connecting terminal is pressed on the power-on loop of the heating tube to realize the electric connection, the original welding connecting structure is replaced, and the phenomena of poor contact and spark occurrence are effectively avoided; and the installed part with be provided with insulating silica gel pad between the metal support, effectively isolated binding post and metal support avoid the metal support electrified.
Above, only the preferred embodiment of the present invention has been described, the present invention is not limited to the above embodiment, and the technical effects of the present invention can be achieved by the same means, which all belong to the protection scope of the present invention.
Claims (8)
1. Heating tube terminal connection structure, its characterized in that includes:
the heating tube is provided with an electrifying loop;
the metal bracket is arranged outside the heating tube and used for fixing the heating tube;
the connecting terminal comprises a metal elastic sheet which is electrically connected with an electrifying loop on the heating tube through pressing contact, and an installation piece for installing and fixing the metal elastic sheet; the mounting part is connected and fixed on the metal support, and an insulating silica gel pad is arranged between the mounting part and the metal support.
2. A heat generation tube terminal connection structure according to claim 1, wherein: the metal elastic sheet is bent for multiple times to form a U-shaped shape, and the U-shaped bottom of the metal elastic sheet is abutted against an electrified loop of the heating tube to form a crimping end; and the U-shaped vertical edge of the metal elastic sheet is provided with a wiring end which extends out of the mounting piece and is used for connecting an external power supply.
3. A heat generation tube terminal connection structure according to claim 2, wherein: the wiring terminal further comprises a pressure spring, the pressure spring is arranged between the mounting piece and the crimping end, and the pressure spring enables the crimping end to abut against an electrifying loop of the heating tube.
4. A heating tube terminal connection structure according to any one of claims 1 to 3, characterized in that: the installed part includes the main part frame of plastics or ceramic preparation, main part frame both sides be provided with the metal support connection connect the limit, insulating silica gel pad sets up connect the limit below.
5. A heating tube terminal connection structure according to claim 4, wherein: and the connecting edges and the insulating silica gel pads are provided with corresponding connecting holes.
6. A heat generation tube terminal connection structure according to claim 2, wherein: the metal elastic sheet is provided with a fixing hole, the fixing hole is formed in the wiring end, and a wiring hole is further formed in the wiring end.
7. A heat generation tube terminal connection structure according to claim 2, wherein: and one side of the metal elastic sheet opposite to the wiring end is provided with a positioning insertion sheet through bending.
8. A heat generation tube terminal connection structure according to claim 3, wherein: the mounting piece and the metal elastic sheet are provided with protrusions which are opposite up and down and used for fixing the pressure spring.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921466878.9U CN210899657U (en) | 2019-09-03 | 2019-09-03 | Terminal connecting structure of heating tube |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921466878.9U CN210899657U (en) | 2019-09-03 | 2019-09-03 | Terminal connecting structure of heating tube |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210899657U true CN210899657U (en) | 2020-06-30 |
Family
ID=71316091
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921466878.9U Active CN210899657U (en) | 2019-09-03 | 2019-09-03 | Terminal connecting structure of heating tube |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210899657U (en) |
-
2019
- 2019-09-03 CN CN201921466878.9U patent/CN210899657U/en active Active
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| GR01 | Patent grant | ||
| GR01 | Patent grant |