CN215581754U - Heating core tube sealing structure for PTC air heater - Google Patents
Heating core tube sealing structure for PTC air heater Download PDFInfo
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- CN215581754U CN215581754U CN202120604097.2U CN202120604097U CN215581754U CN 215581754 U CN215581754 U CN 215581754U CN 202120604097 U CN202120604097 U CN 202120604097U CN 215581754 U CN215581754 U CN 215581754U
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Abstract
The utility model relates to the technical field of electric heater equipment, in particular to a heating core tube sealing structure for a PTC air heater, which comprises an aluminum profile, a heating core body, a positive electrode lead, a negative electrode lead and a rubber sealing structure; an assembly cavity is formed in the aluminum profile, the surfaces of the two sides of the aluminum profile are inwards sunken, a V-shaped bulge is formed on the inner side wall of the assembly cavity, a positive metal sheet and a negative metal sheet are arranged on the heating core body, and a U-shaped groove is formed between the end parts of the positive metal sheet and the negative metal sheet; the rubber sealing structure comprises a rubber sealing plug I, a rubber sealing plug II and a rubber sleeve, wherein the rubber sealing plug II is arranged on the inner side end face of the rubber sealing plug I, the rubber sealing plug I is clamped and matched with the end part of the assembly cavity in a sealing manner, the rubber sleeve is arranged on the outer side end face of the rubber sealing plug I, and a through hole is formed in the rubber sleeve; the waterproof structure is simple in structure, convenient to assemble, low in overall cost and ideal in overall waterproof performance, and the safety of the waterproof structure in application is improved.
Description
Technical Field
The utility model relates to the technical field of electric heater equipment, in particular to a heating core tube sealing structure for a PTC air heater.
Background
As a next very important transportation vehicle, the working environment of automobiles is also becoming more and more demanding. When designing each part of a vehicle, the requirements are determined according to the actual use environment. As a product installed in a vehicle front air conditioner shell, the air PTC is basically and completely exposed outside the vehicle, and no matter dust, rainwater or vehicle washing water spray can cause great influence on the air PTC, so that the protection grade of the air PTC is determined to be higher than that of parts installed inside the vehicle.
In the prior art, manual gluing is adopted for sealing, consistency cannot be guaranteed due to an operation method, the whole glue filling cannot be completely sealed due to poor glue flowability, human factors and the like, and the probability of water leakage of the glue filling and the sealing is high.
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide a heating core tube sealing structure for a PTC air heater.
In order to achieve the purpose, the utility model adopts the following technical scheme:
the heating core tube sealing structure for the PTC air heater comprises an aluminum profile, a heating core body, a positive electrode lead, a negative electrode lead and a rubber sealing structure;
The heating device comprises an aluminum profile, a heating core and a heating core, wherein an assembly cavity for installing the heating core is arranged in the aluminum profile, the heating core is installed in the assembly cavity, the surfaces of two sides of the aluminum profile are inwards sunken, a V-shaped bulge is formed on the inner side wall of the assembly cavity, a positive metal sheet and a negative metal sheet are arranged on the heating core, and a U-shaped groove is formed between the end parts of the positive metal sheet and the negative metal sheet;
the rubber sealing structure comprises a rubber sealing plug I, a rubber sealing plug II and rubber sleeves, wherein the rubber sealing plug II is arranged on the inner side end face of the rubber sealing plug I, the rubber sealing plug I is clamped and sealed and matched with the end part of the assembly cavity, the rubber sealing plug II extends into the U-shaped groove and is clamped and sealed and matched with the U-shaped groove, the two rubber sleeves are arranged on the outer side end face of the rubber sealing plug I, and through holes are formed in the rubber sleeves;
the positive electrode lead and the negative electrode lead penetrate through the corresponding through holes in the rubber sleeve, the end portion of the positive electrode lead is connected with the positive electrode metal sheet, the end portion of the negative electrode lead is connected with the negative electrode metal sheet, and the positive electrode lead and the negative electrode lead are in interference fit with the corresponding through holes in the rubber sleeve.
Preferably, the rubber sealing plug I, the rubber sealing plug II and the rubber sleeve are integrally formed rubber pieces.
Preferably, the inner diameter of the through hole is smaller than the outer diameters of the positive electrode lead and the negative electrode lead.
Has the advantages that: the utility model uses the rubber sealing structure for sealing, and the sealing mode ensures the consistency of the product, effectively improves the sealing effect and greatly reduces the water leakage probability;
the positive electrode lead and the negative electrode lead penetrate into the rubber sealing structure, and the via hole is in interference fit with the positive electrode lead and the negative electrode lead, so that the waterproofness of the via hole is ensured;
the first rubber sealing plug is in interference fit with the end part of the assembly cavity of the aluminum profile, so that the integral waterproof performance of the aluminum profile is improved.
The waterproof structure is simple in structure, convenient to assemble, low in overall cost and ideal in overall waterproof performance, and the safety of the waterproof structure in application is improved.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings in the embodiments of the present invention are briefly described below.
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic structural diagram of an aluminum profile;
FIG. 3 is a schematic plan view of an aluminum profile;
FIG. 4 is a schematic view of a heating core;
FIG. 5 is a schematic view of a rubber seal structure;
1-aluminum profile, 11-assembly cavity, 12-V-shaped bulge, 2-anode lead, 3-cathode lead, 4-rubber sealing structure, 41-rubber sealing plug I, 42-rubber sealing plug II, 43-rubber sleeve, 5-heating core body, 51-anode metal sheet, 52-cathode metal sheet and 53-U-shaped groove.
Detailed Description
The technical scheme of the utility model is further explained by the specific implementation mode in combination with the attached drawings.
Wherein the showings are for the purpose of illustration only and are shown by way of illustration only and not in actual form, and are not to be construed as limiting the present patent; to better illustrate the embodiments of the present invention, some components of the drawings may be omitted, enlarged or reduced, and do not represent the size of an actual product.
Referring to fig. 1 to 5, the heating core tube sealing structure for the PTC air heater comprises an aluminum profile 1, a heating core body 5, a positive electrode lead 2, a negative electrode lead 3 and a rubber sealing structure 4;
an assembly cavity for installing a heating core body 5 is formed in the aluminum profile 1, the heating core body 5 is installed in the assembly cavity, the two side surfaces of the aluminum profile are sunken towards the inner side of the assembly cavity 11, a V-shaped bulge 12 is formed on the inner side wall of the assembly cavity, a positive metal sheet 51 and a negative metal sheet 52 are arranged on the heating core body 5, and a U-shaped groove 53 is formed between the end parts of the positive metal sheet 51 and the negative metal sheet 52;
the rubber sealing structure comprises a rubber sealing plug I41, a rubber sealing plug II 42 and rubber sleeves 43, wherein the rubber sealing plug II 42 is arranged on the inner side end face of the rubber sealing plug I41, the rubber sealing plug I41 is clamped and sealed with the end part of the assembly cavity 11, the rubber sealing plug II 42 extends into a U-shaped groove and is clamped and sealed with the U-shaped groove, the two rubber sleeves 43 are arranged on the outer side end face of the rubber sealing plug I41, and through holes are formed in the rubber sleeves 43;
The positive lead 2 and the negative lead 3 pass through the corresponding through holes on the rubber sleeve 43, the end part of the positive lead 2 is connected with the positive metal sheet 51, the end part of the negative lead 3 is connected with the negative metal sheet 52, and the positive lead 2 and the negative lead 3 are in interference fit with the corresponding through holes on the rubber sleeve 43.
In this embodiment, the rubber sealing plug 41, the rubber sealing plug 42 and the rubber sleeve 43 are integrally formed rubber members.
In this embodiment, the inner diameter of the via hole is smaller than the outer diameters of the positive electrode lead 2 and the negative electrode lead 3.
The utility model uses the rubber sealing structure for sealing, and the sealing mode ensures the consistency of the product, effectively improves the sealing effect and greatly reduces the water leakage probability;
the positive lead 2 and the negative lead 3 penetrate into the rubber sealing structure, and the via hole is in interference fit with the positive lead 2 and the negative lead 3, so that the waterproofness of the via hole is ensured;
the first rubber sealing plug 41 is in interference fit with the end part of the assembly cavity 11 of the aluminum profile, so that the integral waterproof performance of the aluminum profile is improved.
The waterproof structure is simple in structure, convenient to assemble, low in overall cost and ideal in overall waterproof performance, and the safety of the waterproof structure in application is improved.
The above-mentioned embodiments are only used for illustrating the technical solutions of the present invention, and not for limiting the same; although the present invention has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; and such modifications or substitutions do not depart from the spirit and scope of the corresponding technical solutions of the embodiments of the present invention.
Claims (3)
1. A heating core tube sealing structure for a PTC air heater is characterized by comprising an aluminum profile (1), a heating core body (5), a positive lead (2), a negative lead (3) and a rubber sealing structure (4);
an assembly cavity (11) for installing a heating core body (5) is formed in the aluminum profile (1), the heating core body (5) is installed in the assembly cavity (11), the surfaces of the two sides of the aluminum profile (1) are inwards sunken, a V-shaped bulge (12) is formed on the inner side wall of the assembly cavity (11), a positive metal sheet (51) and a negative metal sheet (52) are arranged on the heating core body (5), and a U-shaped groove (53) is formed between the end parts of the positive metal sheet (51) and the negative metal sheet (52);
the rubber sealing structure (4) comprises a rubber sealing plug I (41), a rubber sealing plug II (42) and rubber sleeves (43), the rubber sealing plug II (42) is arranged on the inner side end face of the rubber sealing plug I (41), the rubber sealing plug I (41) is clamped and sealed with the end part of the assembly cavity (11) and matched with the end part of the assembly cavity, the rubber sealing plug II (42) extends into the U-shaped groove (53) and is clamped and sealed with the U-shaped groove (53), the two rubber sleeves (43) are arranged on the outer side end face of the rubber sealing plug I (41), and through holes are formed in the rubber sleeves (43);
The positive lead (2) and the negative lead (3) penetrate through the corresponding through holes in the rubber sleeve (43), the end part of the positive lead (2) is connected with the positive metal sheet (51), the end part of the negative lead (3) is connected with the negative metal sheet (52), and the positive lead (2) and the negative lead (3) are in interference fit with the corresponding through holes in the rubber sleeve (43).
2. A heater core tube sealing structure for a PTC air heater in accordance with claim 1, wherein the rubber sealing plug one (41), the rubber sealing plug two (42) and the rubber sleeve (43) are an integrally formed rubber member.
3. A heater core tube sealing structure for a PTC air heater according to claim 1, wherein the inner diameter of the through hole is smaller than the outer diameters of the positive electrode lead wire (2) and the negative electrode lead wire (3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120604097.2U CN215581754U (en) | 2021-03-24 | 2021-03-24 | Heating core tube sealing structure for PTC air heater |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120604097.2U CN215581754U (en) | 2021-03-24 | 2021-03-24 | Heating core tube sealing structure for PTC air heater |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215581754U true CN215581754U (en) | 2022-01-18 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120604097.2U Active CN215581754U (en) | 2021-03-24 | 2021-03-24 | Heating core tube sealing structure for PTC air heater |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215581754U (en) |
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2021
- 2021-03-24 CN CN202120604097.2U patent/CN215581754U/en active Active
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