CN219287732U

CN219287732U - Heating pipe with lead wire prevented from being pulled out

Info

Publication number: CN219287732U
Application number: CN202223149476.0U
Authority: CN
Inventors: 阮红珍; 王明娟; 朱明杰
Original assignee: SHANGYU HOT THERMAL TECHNOLOGY CO LTD
Current assignee: SHANGYU HOT THERMAL TECHNOLOGY CO LTD
Priority date: 2022-11-24
Filing date: 2022-11-24
Publication date: 2023-06-30
Anticipated expiration: 2032-11-24

Abstract

The utility model discloses a heating pipe for preventing a lead from being pulled out, which relates to the technical field of heating pipes and comprises a heating unit; a conductor connected to the heating unit; a lead wire welded to an end of the conductor remote from the heating unit; a non-round body sleeved outside the lead; a filler sleeved outside the non-round body; the cold end cap is sleeved outside the heating unit, the conductor and the filling body. The non-round body comprises a first non-round piece and a second non-round piece, and the first non-round piece and the second non-round piece are sleeved outside the lead and are sleeved in the filling body. The cross section shape of the non-round piece I is the same as that of the non-round piece II. Aiming at the technical problem that the heating pipe is easy to damage, the utility model has the technical effect that the heating pipe is not easy to damage.

Description

Heating pipe with lead wire prevented from being pulled out

Technical Field

The utility model relates to the technical field of heating pipes, in particular to a heating pipe with a lead wire prevented from being pulled out.

Background

The heating pipe is an important component of the hot runner system and is used for heating the plastic in the nozzle and preventing the plastic in the nozzle from solidifying, thereby preventing the nozzle from being blocked.

In the processes of transportation, assembly and the like, the relevant heating pipes are easy to pull, so that connecting wires of the relevant heating pipes are easily broken, the relevant heating pipes are easily damaged, meanwhile, the relevant heating pipes are also easy to torsion, so that the connecting wires of the relevant heating pipes are easily twisted, and the relevant heating pipes are further easily damaged.

Disclosure of Invention

Aiming at the technical problem that the heating pipe is easy to damage, the utility model provides the heating pipe with the lead wire prevented from being pulled out, which is not easy to damage.

In order to solve the problems, the technical scheme provided by the utility model is as follows:

a heating tube with a lead wire prevented from being pulled out, comprising:

a heating unit;

a conductor connected to the heating unit;

a lead wire welded to an end of the conductor remote from the heating unit;

the non-round body is sleeved outside the lead;

the filling body is sleeved outside the non-round body;

and the cold end cap is sleeved outside the heating unit, the conductor and the filling body.

Optionally, the non-round body includes non-round piece one and non-round piece two, non-round piece one with non-round piece two all cup joints outside the lead, and all cup joints in the filler is internal.

Optionally, the cross-sectional shapes of the first non-circular piece and the second non-circular piece are the same.

Optionally, the heating unit includes:

an outer tube;

a heating body located within the outer tube;

wherein, the heating body with the conductor is connected, the outer tube cup joints in the cold end cap.

Optionally, the heating unit further comprises a sealing glue connected to the end face of the outer tube, and the conductor is partially located in the sealing glue.

Optionally, the lead includes:

a lead body;

the rubber is wrapped outside the lead body;

the lead body and one end of the conductor, which is far away from the heating unit, are welded, and the rubber is sleeved in the non-round body.

Optionally, a first channel and a second channel which are mutually communicated are arranged in the filling body, the lead is positioned in the first channel and the second channel, and the non-round body is positioned in the first channel.

Optionally, a third channel and a fourth channel which are mutually communicated are arranged in the cold end cap, the heating unit is positioned in the third channel, and the conductor and the filling body are both positioned in the fourth channel.

Optionally, the cross-sectional dimension of the third channel is smaller than the cross-sectional dimension of the fourth channel.

Optionally, the filler is made of PEEK.

Compared with the prior art, the technical scheme provided by the utility model has the following beneficial effects: the non-round body is used for connecting the lead wire and the filling body, when the lead wire receives tension, part of the tension is converted to the non-round body, the filling body and the like, the tension on the welding position of the lead wire and the conductor and the tension on the conductor are reduced, the welding position of the lead wire and the conductor are prevented from being broken, the heating pipe is not easy to damage, the lead wire can be prevented from being pulled out, when the lead wire receives torsion, part of the torsion is converted to the non-round body, the filling body and the like, the torsion on the welding position of the lead wire and the conductor and the torsion on the conductor are reduced, the welding position of the lead wire and the conductor are prevented from being twisted off, the heating pipe is further not easy to damage, meanwhile, the non-round body can prevent the welding position of the lead wire and the filling body from rotating mutually, the cross section shape of the non-round body can be quadrangle, pentagon and the like, and the material of the non-round body can be copper.

Drawings

Fig. 1 is a schematic structural diagram of a heating pipe with a lead wire prevented from being pulled out according to an embodiment of the present utility model;

FIG. 2 is a schematic structural view of a packing body according to an embodiment of the present utility model;

FIG. 3 is a schematic view of a cold end cap according to an embodiment of the present utility model;

in the figure: 1. a heating unit; 11. an outer tube; 12. sealing glue; 2. a conductor; 3. a lead wire; 31. a lead body; 32. rubber; 4. a non-round body; 41. a first non-round piece; 42. a second non-round piece; 5. a filler; 51. a first channel; 52. a second channel; 6. a cold end cap; 61. a third channel; 62. a fourth channel; 7. and (3) welding.

Detailed Description

For a further understanding of the present utility model, the present utility model will be described in detail with reference to the drawings and examples.

The present application is described in further detail below with reference to the drawings and examples. It is to be understood that the specific embodiments described herein are merely illustrative of the utility model and are not limiting of the utility model. It should be noted that, for convenience of description, only the portions related to the utility model are shown in the drawings. The first, second, etc. words are provided for convenience in describing the technical scheme of the present utility model, and have no specific limitation, and are all generic terms, and do not constitute limitation to the technical scheme of the present utility model. It should be noted that, in the case of no conflict, the embodiments and features in the embodiments may be combined with each other. In the description of the present utility model, it should be noted that the directions or positional relationships indicated by the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. are based on the directions or positional relationships shown in the drawings, are merely for convenience of describing the present utility model and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present utility model. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance. Unless specifically stated or limited otherwise, the terms "mounted," "connected," and "coupled" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present utility model will be understood in specific cases by those of ordinary skill in the art. The technical schemes in the same embodiment and the technical schemes in different embodiments can be arranged and combined to form a new technical scheme without contradiction or conflict, which is within the scope of the utility model.

Example 1

With reference to fig. 1-3, this embodiment provides a heating tube for preventing a lead from being pulled out, including:

a heating unit 1;

a conductor 2 connected to the heating unit 1;

a lead 3 soldered to an end of the conductor 2 remote from the heating unit 1;

a non-round body 4 sleeved outside the lead 3;

a filling body 5 sleeved outside the non-round body 4;

the cold end cap 6, the cold end cap 6 cup joints outside the heating unit 1, the conductor 2 and the filling body 5.

Specifically, the heating unit 1 is used for heating, and may include a heating body, an outer tube 11, and the like; the conductor 2 is used for conducting electricity for the heating unit 1, and the material of the conductor 2 can be nickel, copper and the like; the lead 3 is used for being connected with related power supply equipment and used for conveying electric energy to the conductor 2, and the lead 3 can comprise a lead body 31, a rubber 32 and the like; the non-round body 4 is used for connecting the lead 3 and the filler 5, when the lead 3 receives tension, part of the tension is converted to the non-round body 4, the filler 5 and the like, the tension received by the welding position 7 of the lead 3 and the conductor 2 and the tension received by the conductor 2 are reduced, the welding position 7 of the lead 3 and the conductor 2 are prevented from being broken, the heating pipe is not easy to damage, the lead 3 can be prevented from being pulled out, when the lead 3 receives torsion, part of the torsion is converted to the non-round body 4, the filler 5 and the like, the torsion received by the welding position 7 of the lead 3 and the conductor 2 and the torsion received by the conductor 2 are reduced, the welding position 7 of the lead 3 and the conductor 2 are prevented from being twisted off, the heating pipe is not easy to damage, meanwhile, the non-round body 4 can prevent the welding position 7 of the lead 3 and the filler 5 from being mutually rotated, the cross-section shape of the non-round body 4 can be quadrangle, pentagon and the like, and the material of the non-round body 4 can be copper; the filling body 5 is used for connecting the non-round body 4 and the cold end cap 6, plays a certain supporting role on the non-round body 4, and the filling body 5 can be made of PEEK; the cold end cap 6 is used to protect the heating unit 1, the conductor 2, the filler 5, etc.

Further, the non-round body 4 includes a first non-round piece 41 and a second non-round piece 42, and the first non-round piece 41 and the second non-round piece 42 are both sleeved outside the lead 3 and are both sleeved in the filling body 5.

Specifically, the first non-circular part 41 and the second non-circular part 42 are used for reducing the tensile force and torsion force applied to the welding part 7 of the lead 3 and the conductor 2, and further make the heating tube difficult to damage.

Further, the first non-round member 41 and the second non-round member 42 have the same cross-sectional shape.

Specifically, the first non-circular part 41 and the second non-circular part 42 are convenient to have certain symmetry, so that the stress uniformity of the heating pipe is improved, the heating pipe is prevented from being partially stressed insufficiently or excessively, and the heating pipe is further not easy to damage.

Further, the heating unit 1 includes:

an outer tube 11;

a heating body located within the outer tube 11;

wherein, the heating body is connected with the conductor 2, and the outer tube 11 is sleeved in the cold end cap 6.

Specifically, the outer tube 11 is used for protecting the heating body; the heating body is used for heating, and the heating body can be an electrothermal resistance wire and the like.

Further, the heating unit 1 further includes a sealing compound 12 connected to an end surface of the outer tube 11, and a portion of the conductor 2 is located in the sealing compound 12.

Specifically, the sealing compound 12 is used to prevent external dust, moisture, etc. from entering the outer tube 11.

Further, the lead 3 includes:

a lead body 31;

the rubber 32 is wrapped outside the lead body 31;

wherein, the lead body 31 and one end of the conductor 2 far away from the heating unit 1 are welded, and the rubber 32 is sleeved in the non-round body 4.

Specifically, the lead body 31 is for conducting electricity; the rubber 32 is used for insulation, and the rubber 32 may be made of plastic, rubber, etc.

Further, the filling body 5 is provided with a first channel 51 and a second channel 52 which are communicated with each other, the lead 3 is positioned in the first channel 51 and the second channel 52, and the non-round body 4 is positioned in the first channel 51.

Specifically, the first channel 51 is used for accommodating the lead 3 and the non-round body 4 and has a radial limiting function on the lead 3 and the non-round body 4; the second channel 52 is used for accommodating the lead 3 and plays a role in radial limiting the lead 3.

Further, a third channel 61 and a fourth channel 62 which are mutually communicated are arranged in the cold end cap 6, the heating unit 1 is positioned in the third channel 61, and the conductor 2 and the filling body 5 are both positioned in the fourth channel 62.

Specifically, the third channel 61 is used for accommodating the heating unit 1 and has a radial limiting effect on the heating unit 1; the fourth channel 62 is used for accommodating the conductor 2 and the filler 5.

Further, the cross-sectional dimension of channel three 61 is smaller than the cross-sectional dimension of channel four 62.

Specifically, it is convenient to increase the accuracy of the fit of the third channel 61 and the heating unit 1, and to increase the accuracy of the fit of the fourth channel 62 and the conductor 2 and the filler 5.

Further, the filler 5 is made of PEEK.

Specifically, PEEK makes the packing 5 good in high temperature resistance and good in insulation.

The utility model and its embodiments have been described above by way of illustration and not limitation, and the utility model is illustrated in the accompanying drawings and described in the drawings in which the actual structure is not limited thereto. Therefore, if one of ordinary skill in the art is informed by this disclosure, the structural mode and the embodiments similar to the technical scheme are not creatively designed without departing from the gist of the present utility model.

Claims

1. A heating pipe with a lead wire prevented from being pulled out, comprising:

a heating unit;

a conductor connected to the heating unit;

a lead wire welded to an end of the conductor remote from the heating unit;

the non-round body is sleeved outside the lead;

the filling body is sleeved outside the non-round body;

2. The lead wire pulling-out prevention heating tube according to claim 1, wherein the non-round body comprises a first non-round piece and a second non-round piece, and the first non-round piece and the second non-round piece are both sleeved outside the lead wire and are both sleeved in the filler body.

3. A wire-pulling-out preventing heating tube according to claim 2, wherein said first non-round member and said second non-round member have the same cross-sectional shape.

4. A wire pullout preventing heating tube according to claim 1, wherein the heating unit comprises:

an outer tube;

a heating body located within the outer tube;

5. The lead wire pullout prevention heating tube as claimed in claim 4, wherein said heating unit further comprises a sealing compound attached to an end face of said outer tube, and wherein a portion of said conductor is located in said sealing compound.

6. A pull-out prevention heating tube for a lead wire according to claim 1, wherein said lead wire comprises:

a lead body;

the rubber is wrapped outside the lead body;

7. A wire-pulling-preventing heating tube according to claim 1, wherein said filler body is provided with a first passage and a second passage which are communicated with each other, said wire being located in said first passage and said second passage, said noncircular body being located in said first passage.

8. A lead wire pullout prevention heating tube as claimed in claim 1, wherein said cold end cap is provided with a third and a fourth passage which are communicated with each other, said heating unit is located in said third passage, and said conductor and filler are located in said fourth passage.

9. A wire pullout prevention heating tube as claimed in claim 8, wherein the cross-sectional dimension of the third passage is smaller than the cross-sectional dimension of the fourth passage.

10. The lead wire pullout prevention heating tube as claimed in claim 1, wherein the filler is made of PEEK.