CN220693361U - Electric heating rod structure - Google Patents
Electric heating rod structure Download PDFInfo
- Publication number
- CN220693361U CN220693361U CN202322157424.6U CN202322157424U CN220693361U CN 220693361 U CN220693361 U CN 220693361U CN 202322157424 U CN202322157424 U CN 202322157424U CN 220693361 U CN220693361 U CN 220693361U
- Authority
- CN
- China
- Prior art keywords
- heating rod
- electric heating
- convex ring
- cover body
- reinforced
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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- 238000005485 electric heating Methods 0.000 title claims abstract description 59
- 230000003014 reinforcing effect Effects 0.000 claims abstract description 30
- 238000007789 sealing Methods 0.000 claims abstract description 24
- 230000000149 penetrating effect Effects 0.000 claims abstract description 8
- 238000003466 welding Methods 0.000 claims description 16
- 229910001220 stainless steel Inorganic materials 0.000 claims description 15
- 239000010935 stainless steel Substances 0.000 claims description 15
- 238000010438 heat treatment Methods 0.000 claims description 7
- 230000004927 fusion Effects 0.000 claims description 3
- 210000001503 joint Anatomy 0.000 claims description 3
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 10
- 239000000741 silica gel Substances 0.000 description 10
- 229910002027 silica gel Inorganic materials 0.000 description 10
- 238000005452 bending Methods 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 3
- 238000004891 communication Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000002708 enhancing effect Effects 0.000 description 1
- 230000004907 flux Effects 0.000 description 1
- 238000009413 insulation Methods 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 238000007790 scraping Methods 0.000 description 1
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- Resistance Heating (AREA)
Abstract
The utility model relates to an electric heating rod structure which comprises an electric heating rod body, wherein a wire is connected to a port of the electric heating rod body, and the electric heating rod structure is characterized by further comprising a reinforced cover body, wherein a limiting hole penetrating to the inner wall of the reinforced cover body is formed in the outer wall of the reinforced cover body, a convex ring part which is arranged around the wire is arranged on the port of the electric heating rod body, the reinforced cover body is embedded in the convex ring part in a sealing manner, and the wire penetrates out of the limiting hole. According to the utility model, the limit hole is formed in the reinforced cover body through the reinforced cover body, so that the limit, sealing and reinforcing functions can be realized, the probability of reducing the sealing performance can be greatly reduced, the service performance of the electric heating rod structure can be kept stable for a long time, and the service life of the electric heating rod structure is very long.
Description
Technical Field
The utility model relates to the field of a die heating device, in particular to an electric heating rod structure.
Background
The patent document with the Chinese application number of CN201621070382.6 discloses a technical scheme of an electric heating rod for heating the inside of a die, which comprises the following technical characteristics: the port of the metal sleeve, through which the power supply lead penetrates, is sealed by embedding the sealing silica gel and the heat insulation film.
Because the power lead is arranged by penetrating the sealing silica gel, and no component for limiting the power lead is arranged on the outer side of the sealing silica gel, when the power lead is scratched, pulled or bent, the generated acting force can directly act on the sealing silica gel. Because the diameter of the existing electric heating rod is generally smaller (the diameter is generally between 2.9mm and 32 mm), the volume of the sealing silica gel is also smaller, the embedding strength of the sealing silica gel is very limited, the situation that the sealing silica gel loosens due to acting force of a power lead acting on the sealing silica gel is easy to occur, the sealing performance of the electric heating rod is reduced, and the service performance and the service life of the electric heating rod are reduced.
Therefore, it is necessary to redesign the structure of the electric heating rod.
Disclosure of Invention
The utility model aims to solve the problems and the defects, and provides an electric heating rod structure, wherein the electric heating rod structure is provided with a reinforced cover body and a limit hole is formed in the reinforced cover body, so that the limit, sealing and reinforcing functions can be achieved, the probability of reducing the sealing performance can be greatly reduced, the service performance of the electric heating rod structure can be kept stable for a long time, and the service life of the electric heating rod structure is quite long.
The technical scheme of the utility model is realized as follows:
the utility model provides an electric heating rod structure, includes the electric heating rod body, be connected with the wire on the port of electric heating rod body, its characterized in that still includes the enhancement lid, wherein has seted up the spacing hole that runs through to on its inner wall on the outer wall of enhancement lid, be provided with the bulge loop portion of encircling the wire arrangement on the port of electric heating rod body, the enhancement lid is sealed to be inlayed in bulge loop portion, the wire is worn out from spacing hole.
Preferably, a reinforcing convex ring is arranged on the outer surface of the reinforcing cover body, and the reinforcing convex ring is lapped on the outer end surface of the convex ring part.
Preferably, the outer diameter of the reinforcing convex ring is larger than the outer diameter of the convex ring portion, a welding ring groove is formed between the end surface of the reinforcing convex ring and the outer circumferential surface of the convex ring portion, and a welding ring is welded in the welding ring groove.
Preferably, the reinforcing cover body comprises a cylinder cover and a limiting pipe, one end of the limiting pipe is connected with the outer surface of the cylinder cover, an inner hole of the limiting pipe is communicated with the inner cavity of the cylinder cover in a butt joint mode, the inner hole of the limiting pipe forms a limiting hole, the reinforcing convex ring is arranged in the middle of the outer circumferential surface of the cylinder cover, the cylinder cover is embedded in the convex ring part in a sealing mode, the limiting pipe is located on the outer side of the convex ring part, and the conducting wire penetrates through the inner cavity of the cylinder cover and the inner hole of the limiting pipe in sequence and then penetrates out of the limiting pipe.
Preferably, the outer orifice of the limiting hole is in butt joint with a stainless steel woven mesh sleeve, and the stainless steel woven mesh sleeve is sleeved on the guide wire.
Preferably, the outer end of the stainless steel woven mesh sleeve is sleeved with a heat shrinkage pipe, and the heat shrinkage pipe is sleeved on a wire penetrating from the stainless steel woven mesh sleeve.
The utility model has the beneficial effects that: in the electric heating rod structure, the reinforcing cover body is adopted, the convex ring part is arranged on the port of the electric heating rod body, and the reinforcing cover body is further sealed and embedded in the convex ring part, so that the sealing performance of the electric heating rod body can be enhanced by utilizing the reinforcing cover body, and the reinforcing cover body and the convex ring part can jointly play a reinforcing role on the port of the electric heating rod body. The limit hole is formed in the reinforced cover body, the lead penetrates out of the limit hole, the limit hole can be used for limiting the lead, the probability of tightness reduction caused by scratch, pulling or bending can be greatly reduced, and the service performance of the electric heating rod structure can be kept stable for a long time, so that the service life of the electric heating rod structure is quite long.
Drawings
FIG. 1 is a schematic perspective view of an electrical heating rod according to the present utility model.
FIG. 2 is a schematic diagram showing a second perspective view of the structure of the electric heating rod according to the present utility model.
Fig. 3 is an enlarged schematic view of the portion a of fig. 2 according to the present utility model.
Fig. 4 is a schematic perspective view of an electric heating rod body according to the present utility model.
Fig. 5 is an enlarged schematic view of the portion B of fig. 4 according to the present utility model.
Fig. 6 is a schematic perspective view of a reinforced cover according to the present utility model.
Fig. 7 is a schematic cross-sectional view of the reinforced cover of the present utility model.
Detailed Description
As shown in fig. 1 to 3, the electric heating rod structure of the present utility model comprises an electric heating rod body 1, wherein a wire 11 is connected to a port of the electric heating rod body 1, and further comprises a reinforced cover body 2, wherein a limit hole 21 penetrating through an inner wall of the reinforced cover body 2 is formed in an outer wall of the reinforced cover body 2, a convex ring portion 12 arranged around the wire 11 is arranged on the port of the electric heating rod body 1, the reinforced cover body 2 is embedded in the convex ring portion 12 in a sealing manner, and the wire 11 penetrates out of the limit hole 21.
In the electric heating rod structure, the reinforcing cover body 2 is adopted, the convex ring part 12 is arranged on the port of the electric heating rod body 1, the reinforcing cover body 2 is also in sealing fit in the convex ring part 12, the sealing performance of the electric heating rod body 1 can be enhanced by utilizing the reinforcing cover body 2, and the reinforcing cover body 2 and the convex ring part 12 can jointly play a role in reinforcing the port of the electric heating rod body 1. The limit hole 21 is formed in the reinforced cover body 2, the lead 11 penetrates out of the limit hole 21, the limit hole 21 can be utilized to limit the lead 11, the probability of tightness reduction caused by scraping, pulling or bending can be greatly reduced, and the service performance of the electric heating rod structure can be kept stable for a long time and the service life of the electric heating rod structure is quite long.
As shown in fig. 3, a reinforcing convex ring 22 is provided on the outer surface of the reinforcing cover body 2, and the reinforcing convex ring 22 is lapped on the outer end surface of the convex ring portion 12. The structural strength of the reinforced cover body 2 can be enhanced through the reinforced convex ring 22, and an accurate positioning function can be achieved for embedding of the reinforced cover body 2, so that the reinforced cover body 2 can be quickly and accurately installed in place, and further the assembly efficiency and quality can be improved.
As shown in fig. 3 to 5, the outer casing 13 of the electric heating rod body 1 is a cylindrical casing with one closed end, and the convex ring portion 12 and the outer casing 13 are of a stainless steel structure. This can improve the structural strength and durability of the electric heating rod body 1, thereby contributing to the prolongation of the service life of the electric heating rod structure.
As shown in fig. 3, the outer diameter of the reinforcing collar 22 is larger than the outer diameter of the collar portion 12, a welding groove 10 is formed between the end surface of the reinforcing collar 22 and the outer circumferential surface of the collar portion 12, and a welding ring 20 is welded in the welding groove 10. The welding accuracy can be improved by fusion welding the ring groove 10. The adoption of the welding ring 20 can not only greatly improve the stability and reliability of the assembly of the reinforced cover body 2 and the convex ring part 12, but also greatly improve the tightness of the assembly of the reinforced cover body 2 and the convex ring part 12.
The welding ring 20 is a ring body structure formed by welding flux after welding, and the welding ring 20 is connected with the end face of the reinforcing convex ring 22 and the outer wall of the convex ring part 12, so that the requirement of stable connection can be met.
As shown in fig. 2, 3, 6 and 7, the reinforcing cover 2 includes a cylindrical cover 23 and a limiting tube 24, one end of the limiting tube 24 is connected to the outer surface of the cylindrical cover 23, and the inner hole of the limiting tube 24 is in butt-joint communication with the inner cavity of the cylindrical cover 23, the inner hole of the limiting tube 24 forms a limiting hole 21, the reinforcing convex ring 22 is disposed on the middle of the outer circumferential surface of the cylindrical cover 23, the cylindrical cover 23 is sealed and embedded in the convex ring portion 12, and the limiting tube 24 is located outside the convex ring portion 12, and the wire 11 sequentially passes through the inner cavity of the cylindrical cover 23 and the inner hole of the limiting tube 24 and then passes out of the limiting tube 24. The sealing embedding can be conveniently realized by adopting the cylinder cover 23; the limit pipe 24 is adopted to achieve the purpose of improving the limit amount. The structure of the reinforced cover body 2 is very simple and reliable, which not only can be conveniently manufactured, but also can play a very reliable role in reinforcing and limiting, thereby being beneficial to further improving the reliability and applicability of the electric heating rod structure.
In order to further enhance the sealability of the electric heating rod structure, the cylinder cover 23 is filled with sealing silica gel, which not only can enhance sealability, but also can limit the lead 11 by using the sealing silica gel, thereby being beneficial to further enhancing sealability and reliability of the electric heating rod structure.
As shown in fig. 5, the electric heating rod body 1 adopts a conventional electric heating rod, and the end of the wire 11 is welded and fixed on the electrode 30 of the electric heating rod body 1, so that the practical use requirement can be met.
The cylinder cover 23 and the limiting tube 24 can be made into an integral structure or a non-integral structure. The cylinder cover 23 and the limiting tube 24 are both of stainless steel structure, thus achieving the purpose of improving the structural strength and durability.
As shown in fig. 1 to 3, the outer orifice of the limiting hole 21 is butt-jointed with a stainless steel woven mesh sleeve 3, and the stainless steel woven mesh sleeve 3 is sleeved on the lead 11. The structure strength of the penetrating position of the wire 11 can be enhanced, the bending resistance and the pulling resistance of the wire 11 outside the limiting pipe 24 can be enhanced, the wire 11 can be routed at any angle of 360 degrees, and the electric heating rod structure can be suitable for being used in an environment without routing, so that the reliability and the application range of the electric heating rod structure can be improved.
As shown in fig. 1 and 2, the outer end of the stainless steel woven mesh cover 3 is sleeved with a heat shrinkage tube 4, and the heat shrinkage tube 4 is sleeved on a wire 11 penetrating out of the stainless steel woven mesh cover 3. Not only can improve the leakproofness through pyrocondensation pipe 4, can also play the restriction guard action to wire 11 to can avoid wire 11 to scratch the port of stainless steel woven mesh 3, and then help improving security and the life of using.
Claims (6)
1. The utility model provides an electric heating rod structure, includes electric heating rod body (1), be connected with wire (11), its characterized in that on the port of electric heating rod body (1): the electric heating rod comprises an electric heating rod body (1), and is characterized by further comprising a reinforced cover body (2), wherein a limiting hole (21) penetrating through the inner wall of the reinforced cover body (2) is formed in the outer wall of the reinforced cover body, a convex ring part (12) which is arranged around a lead (11) is arranged on the port of the electric heating rod body (1), the reinforced cover body (2) is embedded in the convex ring part (12) in a sealing manner, and the lead (11) penetrates out from the limiting hole (21).
2. An electrical heating rod structure according to claim 1, wherein: the outer surface of the reinforced cover body (2) is provided with a reinforced convex ring (22), and the reinforced convex ring (22) is lapped on the outer end surface of the convex ring part (12).
3. An electrical heating rod structure according to claim 2, wherein: the outer diameter of the reinforcing convex ring (22) is larger than that of the convex ring part (12), a fusion welding ring groove (10) is formed between the end face of the reinforcing convex ring (22) and the outer circumferential surface of the convex ring part (12), and a welding ring (20) is welded in the fusion welding ring groove (10).
4. An electrical heating rod structure according to claim 2, wherein: the reinforced cover body (2) comprises a cylinder cover (23) and a limiting pipe (24), one end of the limiting pipe (24) is connected with the outer surface of the cylinder cover (23), an inner hole of the limiting pipe (24) is communicated with an inner cavity of the cylinder cover (23) in a butt joint mode, the inner hole of the limiting pipe (24) forms a limiting hole (21), the reinforced convex ring (22) is arranged on the middle of the outer circumferential surface of the cylinder cover (23), the cylinder cover (23) is embedded in the convex ring portion (12) in a sealing mode, the limiting pipe (24) is located on the outer side of the convex ring portion (12), and the conducting wire (11) sequentially penetrates through the inner cavity of the cylinder cover (23) and the inner hole of the limiting pipe (24) and then penetrates out of the limiting pipe (24).
5. An electric heating rod structure according to any one of claims 1 to 4, characterized in that: the stainless steel woven mesh sleeve (3) is butted on the outer orifice of the limiting hole (21), and the stainless steel woven mesh sleeve (3) is sleeved on the lead (11).
6. An electrical heating rod structure according to claim 5, wherein: the outer end of the stainless steel woven mesh sleeve (3) is sleeved with a heat shrinkage pipe (4), and the heat shrinkage pipe (4) is sleeved on a wire (11) penetrating out of the stainless steel woven mesh sleeve (3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322157424.6U CN220693361U (en) | 2023-08-11 | 2023-08-11 | Electric heating rod structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322157424.6U CN220693361U (en) | 2023-08-11 | 2023-08-11 | Electric heating rod structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220693361U true CN220693361U (en) | 2024-03-29 |
Family
ID=90374644
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322157424.6U Active CN220693361U (en) | 2023-08-11 | 2023-08-11 | Electric heating rod structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220693361U (en) |
-
2023
- 2023-08-11 CN CN202322157424.6U patent/CN220693361U/en active Active
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |