CN210928012U - Modified steel pipe heater - Google Patents
Modified steel pipe heater Download PDFInfo
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- CN210928012U CN210928012U CN201921505481.6U CN201921505481U CN210928012U CN 210928012 U CN210928012 U CN 210928012U CN 201921505481 U CN201921505481 U CN 201921505481U CN 210928012 U CN210928012 U CN 210928012U
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Abstract
The utility model provides a steel tube heater of modification, wherein, the first end extraction position of heating wire and the first second end fixed connection who draws forth the stick, the first end and the first lead-out wire fixed connection of stick are drawn forth to the first end of heating wire, the first end of steel pipe and the first end extraction position corresponding department of heating wire and the first stick of drawing forth between be equipped with the first insulation sealing layer, the first insulation sealing layer extends to the direction of keeping away from the steel pipe and forms first extension so that the first lead-out wire surface of first extension cladding, the first end of steel pipe, the surface of first insulation sealing layer and second lead-out wire is equipped with the second insulation sealing layer, first annular cell body has been seted up with the corresponding department periphery of the first end of steel pipe on the second insulation sealing layer, be equipped with first clamp in the first annular cell body. The utility model discloses can effectively avoid steel pipe heater lead-out wire position because of sealed not tight problem that reduces of insulating after making moist, effectively prolong heating pipe life.
Description
Technical Field
The utility model relates to a heater technical field, concretely relates to steel tube heater of modification.
Background
Commercial refrigerators or freezers with large refrigerating capacity are usually defrosted by electric heaters. However, the leading-out wire of the electric heating tube is easily affected with moisture, which affects the service life of the electric heating tube or reduces the insulation of the electric heating tube to cause the power breaker to trip, thereby affecting the normal use of the refrigerator.
SUMMERY OF THE UTILITY MODEL
Based on the technical problem that the background art exists, the utility model provides a steel tube heater of modification can effectively avoid steel tube heater lead-out wire position because of sealed not tight problem that reduces of insulating after weing, has effectively prolonged heating pipe life.
The utility model provides a modified steel tube heater, which comprises a steel tube, a heating wire, a first lead-out rod, a second lead-out rod, a first lead-out wire and a second lead-out wire, wherein the heating wire is arranged in the steel tube, and magnesia powder is filled between the heating wire and the steel tube;
a leading-out part of the first end of the heating wire is fixedly connected with the second end of the first leading-out rod, the first end of the first leading-out rod is fixedly connected with the first leading-out wire, a first insulating sealing layer is arranged between the first end of the steel pipe and the first leading-out rod and the corresponding part of the leading-out part of the first end of the heating wire, and the first insulating sealing layer extends towards the direction far away from the steel pipe to form a first extending part so that the first extending part covers the outer surface of the first leading-out wire;
a second insulating sealing layer is arranged on the surfaces of the first end of the steel pipe, the first insulating sealing layer and the second outgoing line, a first annular groove body is arranged on the periphery of a corresponding position, corresponding to the first end of the steel pipe, on the second insulating sealing layer, and a first clamp is arranged in the first annular groove body;
the leading-out part of the second end of the heating wire is fixedly connected with the first end of the second leading-out rod, the second end of the second leading-out rod is fixedly connected with the second leading-out wire, a third insulating sealing layer is arranged between the corresponding part of the second end of the steel pipe, which corresponds to the leading-out part of the second end of the heating wire, and the second leading-out rod, and the third insulating sealing layer extends towards the direction far away from the steel pipe to form a second extending part so that the second extending part covers the outer surface of the second leading-out wire;
the surfaces of the second end of the steel pipe, the second insulating sealing layer and the second outgoing line are provided with a fourth insulating sealing layer, a second annular groove body is arranged on the periphery of the corresponding position, corresponding to the second end of the steel pipe, on the fourth insulating sealing layer, and a second clamp is arranged in the second annular groove body.
Preferably, one or more third annular groove bodies are axially arranged on the outer surface of the first end of the steel pipe, one or more first annular bulges are arranged on the inner periphery of the second insulating sealing layer corresponding to the first annular groove bodies, and the first annular bulges are in one-to-one interference connection with the third annular groove bodies;
one or more fourth annular groove bodies are axially arranged on the outer surface of the second end of the steel pipe, one or more second annular bulges are arranged on the inner periphery of the fourth insulating sealing layer and correspond to the second annular groove bodies, and the second annular bulges are in interference connection with the fourth annular groove bodies in one-to-one correspondence.
Preferably, the outer surfaces of the first and second outgoing lines are coated with an insulating layer.
Preferably, the first extension is sealed integrally with the insulating layer of the first lead-out wire, and the second extension is sealed integrally with the insulating layer of the second lead-out wire.
Compared with the prior art, the utility model discloses following beneficial effect has:
(1) the first end of the steel pipe, the first leading-out rod and the first leading-out wire are sealed through the first insulating sealing layer and the second insulating sealing layer, the second end of the steel pipe, the second leading-out rod and the second leading-out wire are sealed through the third insulating sealing layer and the fourth insulating sealing layer, the problem that the leading-out wire of the steel pipe heater is not tightly damped due to sealing and then is reduced in insulation can be avoided, and the service life of the heating pipe is effectively prolonged.
(2) Strengthen the sealed effect of second insulating seal layer and steel pipe first end through first clamp, strengthen the sealed effect of fourth insulating seal layer and steel pipe second end through the second clamp.
Drawings
Fig. 1 is a schematic structural diagram of a modified steel tube heater provided by the present invention.
Detailed Description
Referring to fig. 1, the utility model provides a modified steel tube heater, including steel tube 1, heating wire 2, first lead-out rod 3, second lead-out rod, first lead-out wire 7 and second lead-out wire, heating wire 2 sets up in steel tube 1, fills between heating wire 2 and the steel tube 1 and has magnesium oxide powder;
a leading-out part of a first end of the heating wire 2 is fixedly connected with a second end of a first leading-out rod 3, a first end of the first leading-out rod 3 is fixedly connected with a first leading-out wire 7, a first insulating sealing layer 4 is arranged between a corresponding part of the first end of the steel pipe 1 corresponding to the leading-out part of the first end of the heating wire 2 and the first leading-out rod 3, and the first insulating sealing layer 4 extends towards a direction far away from the steel pipe 1 to form a first extending part so that the first extending part covers the outer surface of the first leading-out wire 7;
a second insulating sealing layer 5 is arranged on the surfaces of the first end of the steel pipe 1, the first insulating sealing layer 4 and the second outgoing line, a first annular groove body is arranged on the periphery of the corresponding position, corresponding to the first end of the steel pipe 1, of the second insulating sealing layer 5, and a first clamp 6 is arranged in the first annular groove body;
a leading-out part of the second end of the heating wire 2 is fixedly connected with the first end of a second leading-out rod, the second end of the second leading-out rod is fixedly connected with a second leading-out wire, a third insulating sealing layer is arranged between the corresponding part of the second end of the steel pipe 1 corresponding to the leading-out part of the second end of the heating wire 2 and the second leading-out rod, and the third insulating sealing layer extends towards the direction far away from the steel pipe 1 to form a second extending part so that the second extending part covers the outer surface of the second leading-out wire;
the surfaces of the second end of the steel pipe 1, the second insulating and sealing layer 5 and the second outgoing line are provided with a fourth insulating and sealing layer, a second annular groove body is formed in the periphery of the corresponding position, corresponding to the second end of the steel pipe 1, on the fourth insulating and sealing layer, and a second clamp is arranged in the second annular groove body.
The utility model discloses a stick 3 and first lead-out wire 7 are drawn forth to first insulating sealing layer and the sealed first end of the sealed steel pipe of the insulating sealing layer of second 1, first, draw forth stick and second lead-out wire through the sealed steel pipe of third insulating sealing layer and the insulating sealing layer of fourth 2 second ends, second, can avoid steel pipe heater lead-out wire position because of the sealed problem that the postinsulation reduces that does not tightly wet, have effectively prolonged heating pipe life. And the sealing effect of the second insulating and sealing layer 5 and the first end of the steel pipe 1 is enhanced through the first hoop 6, and the sealing effect of the fourth insulating and sealing layer and the second end of the steel pipe 1 is enhanced through the second hoop.
In the embodiment, one or more third annular grooves are axially formed in the outer surface of the first end of the steel pipe 1, one or more first annular protrusions are arranged on the inner periphery of the second insulating and sealing layer 5 at positions corresponding to the first annular grooves, and the first annular protrusions and the third annular grooves are in one-to-one interference connection to further enhance the insulating and sealing performance between the second insulating and sealing layer 5 and the steel pipe 1 and prevent the lead-out part of the steel pipe heater from being affected with damp;
the outer surface of the second end of the steel pipe 1 is provided with one or more fourth annular groove bodies along the axial direction, one or more second annular bulges are arranged on the inner periphery of the fourth insulating sealing layer corresponding to the second annular groove bodies, the second annular bulges are in one-to-one correspondence with the fourth annular groove bodies, and the second annular bulges are in interference connection with the corresponding fourth annular groove bodies to further enhance the insulating sealing performance between the fourth insulating sealing layer and the steel pipe 1, so that the lead-out part of the steel pipe heater is prevented from being affected with damp.
In the present embodiment, the outer surfaces of the first lead wire 7 and the second lead wire are each covered with an insulating layer to ensure the insulation of the first lead wire 7 and the second lead wire.
In the present embodiment, the first extension is sealed integrally with the insulating layer of the first lead wire 7 to ensure the insulating sealing property at the junction of the first lead bar 3 and the first lead wire 7, and the second extension is sealed integrally with the insulating layer of the second lead wire to ensure the insulating sealing property at the junction of the second lead bar and the second lead wire.
The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.
Claims (4)
1. The improved steel tube heater is characterized by comprising a steel tube (1), a heating wire (2), a first lead-out rod (3), a second lead-out rod, a first lead-out wire (7) and a second lead-out wire, wherein the heating wire (2) is arranged in the steel tube (1), and magnesium oxide powder is filled between the heating wire (2) and the steel tube (1);
a leading-out part of the first end of the heating wire (2) is fixedly connected with the second end of the first leading-out rod (3), the first end of the first leading-out rod (3) is fixedly connected with the first leading-out wire (7), a first insulating sealing layer (4) is arranged between the first end of the steel pipe (1) and the first leading-out rod (3) and a corresponding part of the first end of the heating wire (2) corresponding to the leading-out part, and the first insulating sealing layer (4) extends towards the direction far away from the steel pipe (1) to form a first extending part so that the first extending part covers the outer surface of the first leading-out wire (7);
a second insulating sealing layer (5) is arranged on the surfaces of the first end of the steel pipe (1), the first insulating sealing layer (4) and the second outgoing line, a first annular groove body is arranged on the periphery of the corresponding part of the second insulating sealing layer (5) corresponding to the first end of the steel pipe (1), and a first clamp (6) is arranged in the first annular groove body;
a leading-out part of the second end of the heating wire (2) is fixedly connected with the first end of a second leading-out rod, the second end of the second leading-out rod is fixedly connected with a second leading-out wire, a third insulating sealing layer is arranged between the corresponding part of the second end of the steel pipe (1) and the leading-out part of the second end of the heating wire (2) and the second leading-out rod, and the third insulating sealing layer extends towards the direction far away from the steel pipe (1) to form a second extending part so that the second extending part covers the outer surface of the second leading-out wire;
the surfaces of the second end of the steel pipe (1), the second insulating sealing layer (5) and the second outgoing line are provided with a fourth insulating sealing layer, a second annular groove body is formed in the periphery of the corresponding position, corresponding to the second end of the steel pipe (1), on the fourth insulating sealing layer, and a second clamp is arranged in the second annular groove body.
2. A modified steel tube heater according to claim 1, wherein one or more third annular grooves are axially formed in the outer surface of the first end of the steel tube (1), one or more first annular protrusions are arranged on the inner periphery of the second insulating and sealing layer (5) at positions corresponding to the first annular grooves, and the first annular protrusions and the third annular grooves are in one-to-one interference connection;
one or more fourth annular grooves are axially formed in the outer surface of the second end of the steel pipe (1), one or more second annular bulges are arranged on the inner periphery of the fourth insulating sealing layer and correspond to the second annular grooves, and the second annular bulges are in interference connection with the fourth annular grooves in a one-to-one correspondence mode.
3. A modified steel tube heater according to claim 1, wherein the outer surfaces of the first lead-out wire (7) and the second lead-out wire are each coated with an insulating layer.
4. A modified steel tube heater according to claim 3, wherein the first extension is sealed integrally with the insulation layer of the first lead-out wire (7), and the second extension is sealed integrally with the insulation layer of the second lead-out wire.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921505481.6U CN210928012U (en) | 2019-09-10 | 2019-09-10 | Modified steel pipe heater |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921505481.6U CN210928012U (en) | 2019-09-10 | 2019-09-10 | Modified steel pipe heater |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210928012U true CN210928012U (en) | 2020-07-03 |
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ID=71347606
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921505481.6U Active CN210928012U (en) | 2019-09-10 | 2019-09-10 | Modified steel pipe heater |
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| Country | Link |
|---|---|
| CN (1) | CN210928012U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110545591A (en) * | 2019-09-10 | 2019-12-06 | 安徽省宁国市天成电机有限公司 | Modified steel pipe heater |
-
2019
- 2019-09-10 CN CN201921505481.6U patent/CN210928012U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110545591A (en) * | 2019-09-10 | 2019-12-06 | 安徽省宁国市天成电机有限公司 | Modified steel pipe heater |
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