CN210617210U - Double-wire single-tube heating wire joint structure - Google Patents
Double-wire single-tube heating wire joint structure Download PDFInfo
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- CN210617210U CN210617210U CN201921350564.2U CN201921350564U CN210617210U CN 210617210 U CN210617210 U CN 210617210U CN 201921350564 U CN201921350564 U CN 201921350564U CN 210617210 U CN210617210 U CN 210617210U
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Abstract
The utility model discloses a double filament single tube heating wire joint structure, its characterized in that: the device comprises a double-end heating wire, a stainless steel joint, a sealing plug and two electric wires; the double-end heater includes two leads, the electric wire includes the electric wire end, two the lead wire passes stainless steel joint and two the electric wire end passes through the terminal machine and switches on respectively, the stainless steel joint both ends link up, the sealing plug is passed in the back embedding stainless steel joint by the electric wire, the stainless steel joint compresses tightly the sealing plug through warping, and its technical scheme main points are, double-filament single tube heater connects two traditional joints and be in the same place, and double-filament single tube heater connects the size and connects two traditional single tube joints little a lot, can satisfy customer's mould and open the frame restriction, and the mould that has significantly reduced is opened the frame degree of difficulty, and new joint can not cause the phenomenon of staggering, and a heater adopts one set to connect, and the cost is corresponding reduction also.
Description
Technical Field
The utility model relates to a hot runner system technical field, more specifically say, it relates to a double filament single tube heater joint design.
Background
The heating wire that traditional hot runner system heating was used adopts the structure of double-barrelled monofilament, and is concrete, refer to specification attached drawing 2, and single-pipe heating wire has mainly included single-end heating wire 5, and the heating wire main part includes the lead wire 11 that one end stretches out, and the lead wire penetrates in a stainless steel connects 2, passes through the terminal machine with electric wire 4 and is connected, then packs into sealing plug 3 in the joint after sealing the junction, seals the junction, then compresses tightly the joint through withholding machine, makes all accessories fixed. The heating wire joint has the following disadvantages:
(1) the double-end heating tube is folded in half after being assembled, then surrounds the heating device surface, and then the two joints are led out together, so that the two joints can be overlapped together, the volume is large, and the double-end heating tube is not attractive; (2) sometimes, the joint staggering phenomenon exists, and the difficulty of opening the frame of the die is increased; (3) although the processing is simple, two sets of connectors are used for one heating wire, so the cost is high.
SUMMERY OF THE UTILITY MODEL
Not enough to prior art exists, the utility model aims to provide a double-barrelled single tube heater joint structure, it is through adopting double-barrelled single tube structure, can solve the shortcoming of double-barrelled monofilament heater in the background art.
In order to achieve the above purpose, the utility model provides a following technical scheme:
the utility model provides a double filament single tube heating wire joint design which characterized in that: the device comprises a double-end heating wire, a stainless steel joint, a sealing plug and two electric wires;
the double-end heating wire comprises two leads, the electric wire comprises wire ends, the two leads penetrate through stainless steel connectors and are respectively communicated with the two wire ends through terminal machines, two ends of each stainless steel connector are communicated, two ends of each sealing plug are communicated, the sealing plugs are embedded into the stainless steel connectors after the wires penetrate through the sealing plugs, and the stainless steel connectors compress the sealing plugs through deformation.
Preferably, one end of the stainless steel joint close to the double-end heating wire is provided with a jacket communicated with the stainless steel joint.
Preferably, the jacket comprises two first sealing holes for the double-head heating wire to pass through.
Preferably, one end of the sealing plug close to the double-end heating wire is internally provided with two yielding holes for the connection part of the terminals to enter.
Preferably, a second sealing hole used for positioning the terminal connection part and sealing the electric wire is arranged in the other end of the sealing plug, and the aperture of the yielding hole is larger than that of the second sealing hole.
Preferably, the sealing plug is injection molded from teflon or coated with teflon.
Compared with the prior art, the utility model discloses following beneficial effect has:
1. the novel double-wire single-tube heating wire joint combines two traditional joints together, and the size of the double-wire single-tube heating wire joint is much smaller than that of the two traditional single-tube joints, so that the limitation of opening a frame of a client mold can be met, and the difficulty of opening the frame of the mold is greatly reduced;
2. the new connector does not cause the staggering phenomenon, one set of connector is adopted for one heating wire, and the cost is correspondingly reduced;
3. double-end heater, electric wire and terminal are connected out and are all separated through corresponding hole, can not mutual contact, and the leakproofness is good, and the safety in utilization has obtained the promotion.
Drawings
FIG. 1 is a schematic structural diagram of the present embodiment;
fig. 2 is a schematic structural diagram of a heater joint in the background art.
In the figure: 1. a double-ended heater; 11. a lead wire; 2. a stainless steel joint; 21. a jacket; 211. a first seal bore; 3. a sealing plug; 31. a hole of abdication; 32. a second sealing aperture; 4. an electric wire; 41. a wire end; 5. a single-head heating wire.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings.
A double-wire single-tube heating wire joint structure is disclosed, referring to fig. 1, which comprises a double-head heating wire 1, a stainless steel joint 2, a sealing plug 3 and two wires 4;
double-end heater 1 includes two lead wires 11, and electric wire 4 includes wire end 41, and two lead wires 11 pass stainless steel and connect 2 and two wire end 41 and switch on respectively through the terminal machine, and 2 both ends of stainless steel joint are link up, and 3 both ends of sealing plug are link up, and in sealing plug 3 was passed back embedding stainless steel by wire 4 and is connected 2, stainless steel joint 2 compressed tightly sealing plug 3 through warping, and the mode that compresses tightly adopts the machine of withholding to compress tightly.
One end of the stainless steel joint 2 close to the double-end heating wire 1 is provided with a jacket 21 communicated with the stainless steel joint 2. The jacket 21 comprises two first sealing holes 211 for the double-head heating wire 1 to pass through, and is used for improving the sealing performance and separating and positioning the double-head heating wire 1; the jacket 21 can be formed by integrating stainless steel and a stainless steel joint 2, and the double-end heating wire 1 can be pressed by a pressing machine after being assembled.
One end of the sealing plug 3 close to the double-end heating wire 1 is internally provided with two abdicating holes 31 for leading in the terminal connection positions and used for accommodating and separating and positioning the two terminal connection positions; a second sealing hole 32 is arranged in the other end of the sealing plug 3, the second sealing hole 32 is used for positioning the terminal connection part and sealing the electric wire 4, and the aperture of the abdicating hole 31 is larger than that of the second sealing hole 32.
The sealing plug 3 is injection molded by teflon or coated with teflon coating on the surface. The sealing plug 3 has the characteristics of corrosion resistance and high temperature resistance, long service life, small friction coefficient and smooth threading process.
The assembly method comprises the following steps:
(1) two lead wires 11 of the double-head heating wire 1 are respectively inserted into two first sealing holes 211 in the jacket 21 and then led out from the other end of the stainless steel joint 2;
(2) connecting the two extended leads 11 and the two wires 4 respectively through a terminal machine;
(3) two ends of the wire 4 far away from the wire end 41 penetrate into and are led out from one end of the two abdicating holes 31, then the sealing plug 3 is embedded into the stainless steel joint 2, the two wires 4 are pulled to enable the terminal to be connected out to enter the abdicating holes 31, and the connecting part of the terminal is abutted against the end wall of the abdicating holes 31;
(4) and (3) buckling the stainless steel joint 2 and the jacket 21 through a buckling press, and pressing the double-end heating wire 1 and the electric wire 4 to finish assembly.
The present embodiment is only for explaining the present invention, and it is not limited to the present invention, and those skilled in the art can make modifications without inventive contribution to the present embodiment as required after reading the present specification, but all of them are protected by patent law within the scope of the claims of the present invention.
Claims (6)
1. The utility model provides a double filament single tube heating wire joint design which characterized in that: the device comprises a double-end heating wire, a stainless steel joint, a sealing plug and two electric wires;
the double-end heating wire comprises two leads, the electric wire comprises wire ends, the two leads penetrate through stainless steel connectors and are respectively communicated with the two wire ends through terminal machines, two ends of each stainless steel connector are communicated, two ends of each sealing plug are communicated, the sealing plugs are embedded into the stainless steel connectors after the wires penetrate through the sealing plugs, and the stainless steel connectors compress the sealing plugs through deformation.
2. The dual-wire single-tube heater joint structure according to claim 1, wherein: and a jacket communicated with the stainless steel joint is arranged at one end of the stainless steel joint close to the double-end heating wire.
3. The dual-wire single-tube heater joint structure according to claim 2, wherein: the jacket comprises two first sealing holes for the double-end heating wire to pass through.
4. The dual-wire single-tube heater joint structure according to claim 1, wherein: and one end of the sealing plug, which is close to the double-end heating wire, is internally provided with two yielding holes for the connection of the terminals to enter.
5. The dual-wire single-tube heater joint structure according to claim 4, wherein: and a second sealing hole for positioning the terminal connecting part and sealing the electric wire is arranged in the other end of the sealing plug, and the aperture of the yielding hole is larger than that of the second sealing hole.
6. The dual-wire single-tube heater joint structure according to claim 5, wherein: the sealing plug is formed by injection molding of Teflon or coated with a Teflon coating on the surface.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921350564.2U CN210617210U (en) | 2019-08-20 | 2019-08-20 | Double-wire single-tube heating wire joint structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921350564.2U CN210617210U (en) | 2019-08-20 | 2019-08-20 | Double-wire single-tube heating wire joint structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210617210U true CN210617210U (en) | 2020-05-26 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921350564.2U Active CN210617210U (en) | 2019-08-20 | 2019-08-20 | Double-wire single-tube heating wire joint structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210617210U (en) |
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2019
- 2019-08-20 CN CN201921350564.2U patent/CN210617210U/en active Active
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