CN203092985U - Heater for hot runner system - Google Patents
Heater for hot runner system Download PDFInfo
- Publication number
- CN203092985U CN203092985U CN 201320057640 CN201320057640U CN203092985U CN 203092985 U CN203092985 U CN 203092985U CN 201320057640 CN201320057640 CN 201320057640 CN 201320057640 U CN201320057640 U CN 201320057640U CN 203092985 U CN203092985 U CN 203092985U
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- China
- Prior art keywords
- outer tube
- heating wire
- heater
- outer sleeve
- junction surface
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Abstract
The utility model discloses a heater for a hot runner system. According to the heater, a hot nozzle body can be automatically screwed; an outer sleeve of the heater for the hot runner system comprises a first outer sleeve and a second outer sleeve, tow ends of which are connected with each other; two ends of a heating wire are respectively connected with first ends of the first and second outer sleeves; a second end of the first outer sleeve is provided with a first joint part; a second end of the second outer sleeve is provided with a second joint part; the second joint part is matched with the first joint part, so that the second joint part and the first joint part can be buckled together and rotate relative to each other, and the first outer sleeve and the second outer sleeve are connected together; and the second outer sleeve can rotate at a certain angle on the first outer sleeve. According to the heater, a gap between the heating wire and the hot nozzle body can be effectively avoided, so that heat generated by the heating wire can be directly transferred to the hot nozzle body, and the utilization efficiency of the heater is greatly improved.
Description
Technical field
The utility model relates to the assembly of TOP-TIP, relates in particular to a kind of heater of TOP-TIP.
Background technology
At present, existing heater has as shown in Figure 1 structure in the TOP-TIP.As shown in Figure 1, existing heater 10 ＇ comprise, a heating wire 1 ＇, spring-like in the shape of a spiral; Sleeve pipe 2 ＇, it is enclosed within the outside of this heating wire 1 ＇, and weld mutually with the two ends of this heating wire 1 ＇ respectively at the two ends of this sleeve pipe 2 ＇, and a heat chews body 3 ＇, and it is inserted in this heating wire 1 ＇.Because this heat is chewed body 3 ＇ indefinite lengths, the length of existing heater 10 ＇ also is indefinite, when the length of existing heater 10 ＇ is longer, be difficult to guarantee the entire inner diameter size of existing heater 10 ＇, causing this heating wire 1 ＇ to be enclosed within this heat chews above body 3 ＇ very loose, this heating wire 1 ＇ and this heat are chewed between body 3 ＇ and are had certain clearance d, and this gap d as shown in Figure 2.The heat that this heating wire 1 ＇ is produced can not be directly passed to this heat and chew body 3 ＇, and can only chew body 3 ＇ for this heat by the air indirect transfer heat in this gap, thereby causes the utilization ratio of existing heater 10 ＇ not high.
Summary of the invention
The technical problems to be solved in the utility model is to overcome the deficiency that above-mentioned prior art exists, and a kind of heater of TOP-TIP is proposed, it can screw heat automatically and chew body, occurs the gap between the body to avoid heating wire and heat to chew, thereby has improved the utilization ratio of heater.
For solving the problems of the technologies described above, the utility model proposes a kind of heater of TOP-TIP, comprise a heating wire, in the shape of a spiral spring-like; One outer tube, it is enclosed within on this heating wire outside, and the two ends of this outer tube join with the two ends of this heating wire respectively; And one heat chew body, it is inserted in this heating wire.
This outer tube comprises: one first outer tube, the two ends of this first outer tube are defined as first outer tube, first end and first outer tube, second end; One end of this first outer tube, first end and this heating wire joins, and this first outer tube, second end is provided with one first junction surface; And one second outer tube, the two ends of this second outer tube are defined as second outer tube, first end and second outer tube, second end; The other end of this second outer tube, first end and this heating wire joins, this second outer tube, second end is provided with one second junction surface, match with this first junction surface in this second junction surface, can rotate relatively thereby can snap together also, form this outer tube so that this second outer tube is connected with this first outer tube, thereby and this second outer tube internal diameter that drives this heating wire that can on this first outer tube, rotate a certain angle change.During assembling, rotate the internal diameter that this second outer tube makes this heating wire and become big, treat that this heat is chewed body and is seated after, unclamp this first outer tube, this heating wire is realized closely holding tightly thereby make this heating wire and this heat chew body because screen resilience dwindles the internal diameter of this heating wire automatically.
Further, this first outer tube and this second outer tube coaxial arrangement; This first outer tube, second end is provided with a flange on wall, this flange is used for against living this second outer tube, second end, thereby this first outer tube, second end and this second outer tube, second end are joined.
Further, first junction surface comprises two cramps; Second junction surface comprises two direct through groove, and two cramps of these two direct through groove and this match, and promptly relative on the position, shape is complementary on cross section, to reach snapping; During assembling, these two cramps bend to convex under external force and are inserted in these two direct through groove, thereby snap together with these two direct through groove.
Further, these two cramps relatively are provided with on this first outer tube, second end; These two direct through groove relatively are provided with on this second outer tube, second end, to help this rotation of second outer tube on the basis of this first outer tube.
Compared with prior art, the utlity model has following beneficial effect: in the heater of the utility model TOP-TIP, this heating wire circles round automatically by screen resilience and packs tightly this heat and chews body, avoid this heating wire and this heat to chew and occurred the gap between the body, thereby the heat that this heating wire is produced can directly transmit heat and chew body to this, has improved the utilization ratio of this heater greatly.
Description of drawings
Fig. 1 be existing heater structure cross-sectional schematic.
Fig. 2 is the partial enlarged drawing of a-quadrant among Fig. 1.
Fig. 3 is the cross-sectional schematic of the heater of the utility model TOP-TIP.
Fig. 4 is the partial enlarged drawing in the B zone of Fig. 3.
Fig. 5 is the partial enlarged drawing in the C zone of Fig. 3.
Fig. 6 is the structural representation of first outer tube of the present utility model before assembling.
Fig. 7 is the structural representation of first outer tube of the present utility model after assembling.
Fig. 8 is the structural representation of second outer tube of the present utility model.
What each was numbered in the accompanying drawing is described as follows: 10,10 ＇-heater; 1,1 ＇-heating wire; 2,2 ＇-outer tube; 21-the first outer tube; 211-the first outer tube, first end; 212-the first outer tube, second end; 213-the first junction surface; 2131-cramp; 22-the second outer tube; 221-the second outer tube, first end; 222-the second outer tube, second end; 223-the second junction surface 223; 2231-direct through groove 2231; 3,3 ＇-heat is chewed body.
The specific embodiment
Consult Fig. 3～8, the heater 10 of the utility model TOP-TIP comprises heating wire 1, a spring-like in the shape of a spiral; One outer tube 2, it is enclosed within on this heating wire 1 outside, and the two ends of outer tube 2 join with the two ends of heating wire 1 respectively; And one heat chew body 3, it is inserted in this heating wire 1.
First outer tube, first end 211 welds mutually with an end of heating wire 1, and second outer tube, first end 221 welds mutually with the other end of heating wire 1, joins with the two ends of heating wire 1 respectively with the two ends of realizing outer tube 2.
First outer tube, second end 21 is provided with 213, the first junction surfaces 213, one first junction surface and comprises two cramps 2131.These two cramps 2131 are arranged on the end limit of first outer tube, second end 212.
Second outer tube, second end 222 is provided with 223, the second junction surfaces 223, one second junction surface and comprises two direct through groove 2231.Direct through groove 2231 is arranged on this second outer tube, second end 222, and direct through groove 2231 matches with cramp 2131, and promptly relative on the position, shape is complementary on cross section.During assembling, thereby this cramp 2131 can bend to convex and insert in the direct through groove 2231 and can snap together also and can rotate relatively with direct through groove 2231 through knocking by force, so that second outer tube 22 and first outer tube 21 socket-connect, thereby and second outer tube 22 internal diameter that drives this heating wire 1 that can on first outer tube 21, rotate a certain angle change.
Consult Fig. 5 and Fig. 6, first outer tube, second end 212 is provided with a flange 214 on inwall.This flange 214 is against the end of living second outer tube, second end 222, and the roomy width that equals flange 214 radial direction that causes of the wall of second outer tube, second end 222, closely socket-connects for first outer tube, second end 212 and second outer tube, second end 222.
Consult Fig. 6 and Fig. 7, two cramps 2131 radially relatively are provided with on first outer tube, second end 212, and these two cramps 2131 are the little arc plates that form at Bian Duanli from first outer tube, second end 212.There are L shaped crack in these two cramps 2131 and first outer tube, second end 212, and cramp 2131 can bend to convex for snapping together with direct through groove 2231 through knocking by force during assembling in pipe.
Consult Fig. 8, two direct through groove 2231 radially relatively are provided with on first outer tube, second end 212, and direct through groove 2231 has certain length relatively movable on this direct through groove 2231 for cramp 2131.
The assembling of the heater 10 of present embodiment TOP-TIP is as follows.
During assembling, earlier first outer tube, second end 212 is pieced together mutually with second outer tube, second end 222, and second outer tube, second end 222 leans with flange 214; Then, knock cramp 2131 by force, make cramp 2131 in pipe, bend to convex and be inserted in the direct through groove 2231.Thereby cramp 2131 and direct through groove 2231 snap together and can rotate relatively, and first outer tube 21 and second outer tube 22 are nested is connected into outer tube 2; Then, heating wire 1 is inserted in this outer tube 2, and the two ends of this heating wire 1 is welded in respectively on the two ends of outer tube 2, promptly on first outer tube, first end 211 and this second outer tube, first end 221; At last, reverse rotation first outer tube 21 is to certain angle, and first outer tube 21 will drive the heating wire 1 that links to each other, and makes the internal diameter of heating wire 1 become big.At this moment, insert heat in the heating wire 1 and chew body 3, treat that heat is chewed body 3 and is seated after, unclamp first outer tube 21, heating wire 1 is realized closely holding tightly thereby make heating wire 1 and this heat chew body 3 because screen resilience dwindles the internal diameter of heating wire 1 automatically.
Consult Fig. 4, this heating wire 1 packs tightly the surface that this heat is chewed body 3 in this enforcement, avoided this heating wire 1 and this heat to chew between the body 3 and the gap occurred, chewed body 3, improved the utilization ratio of this heater 10 greatly thereby the heat that this heating wire 1 is produced can be directly passed to this heat.
Need to prove; it below only is preferable possible embodiments of the present utility model; and unrestricted protection domain of the present utility model, the equivalent structure that all utilization the utility model specifications and accompanying drawing content have been done changes, and all is included in the protection domain of the present utility model.
Claims (4)
1. the heater of a TOP-TIP comprises a heating wire (1), in the shape of a spiral spring-like; One outer tube (2), it is enclosed within on this heating wire (1) outside, and the two ends of this outer tube (2) join with the two ends of this heating wire (1) respectively; And one heat chew body (3), it is inserted in this heating wire (1); It is characterized in that,
This outer tube (2) comprising:
One first outer tube (21), the two ends of this first outer tube (21) are defined as first outer tube, first end (211) and first outer tube, second end (212); This first outer tube, first end (211) joins with an end of this heating wire (1), and this first outer tube, second end (212) is provided with one first junction surface (213);
And one second outer tube (22), the two ends of this second outer tube (22) are defined as second outer tube, first end (221) and second outer tube, second end (222); This second outer tube, first end (221) joins with the other end of this heating wire, this second outer tube, second end (222) is provided with one second junction surface (223), match with this first junction surface (213) in this second junction surface (223), thereby but snapping also can rotate together relatively, so that this second outer tube (22) is connected with this first outer tube (21), and this second outer tube (22) can be at this first outer tube (21) thus on the internal diameter that drives this heating wire (1) that rotates a certain angle change.
2. the heater of TOP-TIP as claimed in claim 1 is characterized in that, this first outer tube (21) and this second outer tube (22) coaxial arrangement; This first outer tube, second end (212) is provided with a flange (214) on wall, this flange (214) is used for against living this second outer tube, second end (222).
3. the heater of TOP-TIP as claimed in claim 1 or 2 is characterized in that, this first junction surface (213) comprises two cramps (2131); This second junction surface (223) comprises two direct through groove (2231), and these two direct through groove (2231) match to reach snapping with these two cramps (2131).
4. the heater of TOP-TIP as claimed in claim 3 is characterized in that, these two cramps (2131) radially relatively are provided with on this first outer tube, second end (212); These two direct through groove (2231) radially relatively are provided with on this second outer tube, second end (222).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320057640 CN203092985U (en) | 2013-01-31 | 2013-01-31 | Heater for hot runner system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320057640 CN203092985U (en) | 2013-01-31 | 2013-01-31 | Heater for hot runner system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203092985U true CN203092985U (en) | 2013-07-31 |
Family
ID=48844425
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201320057640 Expired - Fee Related CN203092985U (en) | 2013-01-31 | 2013-01-31 | Heater for hot runner system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203092985U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106956408A (en) * | 2016-01-12 | 2017-07-18 | 柳道万和(苏州)热流道系统有限公司 | Double pipe heater |
-
2013
- 2013-01-31 CN CN 201320057640 patent/CN203092985U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106956408A (en) * | 2016-01-12 | 2017-07-18 | 柳道万和(苏州)热流道系统有限公司 | Double pipe heater |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130731 Termination date: 20190131 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |