CN105214900A - A kind of soft dispensing needle head - Google Patents
A kind of soft dispensing needle head Download PDFInfo
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- CN105214900A CN105214900A CN201510583027.2A CN201510583027A CN105214900A CN 105214900 A CN105214900 A CN 105214900A CN 201510583027 A CN201510583027 A CN 201510583027A CN 105214900 A CN105214900 A CN 105214900A
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- glue
- needle head
- dispensing needle
- soft
- breach
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Abstract
The embodiment of the invention discloses a kind of soft dispensing needle head, this dispensing needle head comprises: enter glue end and glue-extruding end, described enter glue end and described glue-extruding end conducting formed and lead glue passage, described glue-extruding end is provided with breach along described dispensing needle head length direction, described breach comprises cut surface, and described breach and described glue passage of leading form plastic emitting groove.The soft dispensing needle head that the embodiment of the present invention provides, had both been conducive to the processing of plastic cement syringe needle, was also convenient in use be inserted into inside crack by syringe needle, and in injection process, glue can move along plastic emitting concentrated flow, and syringe needle is softer is not easy scratching products.
Description
Technical field
The present invention relates to electronic equipment manufacture field, especially a kind of soft dispensing needle head.
Background technology
Namely dispensing needle head puts the syringe needle that glue syringe top can be loaded and unloaded arbitrarily, and the specification being applied to the dispensing needle head of electronic equipment manufacture field is in general all smaller, between 14G-35G.Distinguish from material, syringe needle can be divided into hard metal syringe needle and flexible plastic syringe needle simply.Because hard metal syringe needle in use easily scratches surface of the work, so consider generally to select flexible plastic syringe needle from outward appearance angle.
Along with the development of science and technology and the demand of user, electronic equipment particularly mobile phone towards frivolous future development.Thus, the space of electronic equipment internal is just more and more narrower and small.See Fig. 1, it is one of them application scenarios schematic diagram of dispensing needle head.Wherein, flexible PCB 11 is connected by bonding pad 14 viscose glue with upper glass 12, and because upper glass 12 is connected with lower-glass 13 simultaneously, then the working space of dispensing needle head point glue in bonding pad 14 is just quite narrow and small.And traditional plastic cement syringe needle is on the basis ensureing plastic emitting smoothness, is limited by the contour machining procedure of material, the internal-and external diameter of syringe needle cannot be made the same with metal needle little.
Summary of the invention
The embodiment of the present invention provides a kind of soft dispensing needle head, in order to solve in prior art under the prerequisite on not scratching products surface, is difficult to the problem completing a glue in narrow and small some glue space.
The soft dispensing needle head of the one that the embodiment of the present invention provides, comprise: enter glue end and glue-extruding end, described enter glue end and described glue-extruding end conducting formed and lead glue passage, described glue-extruding end is provided with breach along described dispensing needle head length direction, described breach comprises cut surface, and described breach and described glue passage of leading form plastic emitting groove.
The soft dispensing needle head that the embodiment of the present invention provides, by the setting of plastic emitting groove, syringe needle is made the semi open model form of trough of belt, both the processing of plastic cement syringe needle had been conducive to, also be convenient in use syringe needle is inserted into inside crack, in injection process, glue can move along plastic emitting concentrated flow, and syringe needle is softer is not easy scratching products.
Accompanying drawing explanation
Fig. 1 is one of them application scenarios schematic diagram of dispensing needle head;
Fig. 2 is the structural representation of the first embodiment of soft dispensing needle head of the present invention;
Fig. 3 is the structural representation of the second embodiment of soft dispensing needle head of the present invention;
Fig. 4 is the structural representation of the 3rd embodiment of soft dispensing needle head of the present invention;
Fig. 5 is the structural representation of the 4th embodiment of soft dispensing needle head of the present invention;
Wherein, 1, dispensing needle head; 2, enter glue end; 3, glue-extruding end; 4, lead glue passage; 5, cut surface; 6, plastic emitting groove; 7, end face; 8, bulge-structure; 11, flexible PCB; 12, upper glass; 13, lower-glass; 14, bonding pad.
Detailed description of the invention
In order to make technical problem solved by the invention, technical scheme and beneficial effect clearly understand, below in conjunction with drawings and Examples, the present invention is further elaborated.Should be appreciated that specific embodiment described herein only in order to explain the present invention, be not intended to limit the present invention.
In describing the invention, it will be appreciated that, term " length ", " on ", D score, " top ", " interior ", the orientation of the instruction such as " outward " or position relationship be based on orientation shown in the drawings or position relationship, only the present invention for convenience of description and simplified characterization, instead of instruction or hint indication device or element must have specific orientation, with specific azimuth configuration and operation, therefore can not be interpreted as to this reality invent restriction.
Below in conjunction with the accompanying drawing in the embodiment of the present invention, be clearly and completely described the technical scheme in the embodiment of the present invention, obviously, described embodiment is only the present invention's part embodiment, instead of whole embodiments.Based on the embodiment in the present invention, those of ordinary skill in the art, not making the every other embodiment obtained under creative work prerequisite, belong to the scope of protection of the invention.
See Fig. 2, it is the structural representation of the first embodiment of soft dispensing needle head of the present invention.
As shown in Figure 2, this dispensing needle head 1 comprises into glue end 2 and glue-extruding end 3, and enter glue end 2 and formed with glue-extruding end 3 conducting and lead glue passage 4, this glue-extruding end 3 is provided with breach along dispensing needle head 1 length direction, this breach comprises cut surface 5, this breach with lead glue passage 4 and form plastic emitting groove 6.
Particularly, the material of this soft dispensing needle head comprises plastics.This dispensing needle head 1 is on traditional plastic spike basis, the top of syringe needle is made the semi open model form of trough of belt, so not only be conducive to the processing of plastic cement syringe needle, and in use syringe needle is more easily inserted in crack, in injection process, glue can enter the region of workpiece connection along concentrated flow, and the extension of syringe needle is softer is not easy scratching products
The soft dispensing needle head of the embodiment of the present invention have employed leads glue passage 4 in conjunction with plastic emitting groove 6, achieves on the basis of not scratch workpiece appearance, even if also can transport glue easily to workpiece joint face in narrow space.
With reference to figure 3, it is the structural representation of the second embodiment of soft dispensing needle head of the present invention.
The embodiment of the present invention is the improvement based on the first embodiment.In embodiments of the present invention, this dispensing needle head 1 comprises into glue end 2 and glue-extruding end 3, and enter glue end 2 and formed with glue-extruding end 3 conducting and lead glue passage 4, this glue-extruding end 3 is provided with breach along dispensing needle head 1 length direction, this breach comprises cut surface 5, this breach with lead glue passage 4 and form plastic emitting groove 6.Wherein, cut surface 5 and the junction rounding off entering glue end 2, cut surface 5 extends to the end of glue-extruding end 3 from the junction rounding off entering glue end 2.
In the embodiment of the present invention, cut surface 5 and the junction rounding off entering glue end 2, and cut surface 5 itself is also round and smooth and do not have corner angle, can prevent when glue scratch by the surface of glue workpiece or other parts.
Further, end face 7 rounding off of glue-extruding end 3.
In the embodiment of the present invention, cut surface 5 rounding off seamlessly transits when end face 7 achieves use in dragging process, plays prevention in the effect of a glue process scratch by glue workpiece.
The soft dispensing needle head rounding off of the embodiment of the present invention, effectively can prevent the surface of scratch workpiece or other parts further, also can the efficiency of guarantee point glue and effect.
With reference to figure 4, it is the structural representation of the 3rd embodiment of soft dispensing needle head of the present invention.
The embodiment of the present invention is the improvement based on the first embodiment.In embodiments of the present invention, this dispensing needle head 1 comprises into glue end 2 and glue-extruding end 3, enter glue end 2 to be formed with glue-extruding end 3 conducting and lead glue passage 4, this glue-extruding end 3 is provided with breach along dispensing needle head 1 length direction, this breach comprises cut surface 5, this breach with lead glue passage 4 and form plastic emitting groove 6, cut surface 5 and the junction rounding off entering glue end 2, cut surface 5 extends to the end of glue-extruding end 3 from the junction rounding off entering glue end 2.Wherein, the end of glue-extruding end 3 is provided with bulge-structure 8, and the direction of described bulge-structure 8 projection is identical with the opening direction of breach, and in circular arc.
In the embodiment of the present invention, by end be provided with bulge-structure 8, because the direction of this bulge-structure 8 projection is identical with the opening direction of breach, and in circular arc, not only achieving dispensing needle head 1 can not the effect of scratch workpiece in dragging process, and glue all can not be blown off, improve some glue efficiency and effect.
The soft dispensing needle head of the embodiment of the present invention is provided with bulge-structure 8 in the end of glue-extruding end 3, seamlessly transits when achieving use in dragging process, glue all can not be blown off, improves some glue efficiency and effect.
With reference to figure 5, it is the structural representation of the 4th embodiment of soft dispensing needle head of the present invention.
The embodiment of the present invention is the improvement based on the first embodiment.In embodiments of the present invention, this dispensing needle head 1 comprises into glue end 2 and glue-extruding end 3, and enter glue end 2 and formed with glue-extruding end 3 conducting and lead glue passage 4, this glue-extruding end 3 is provided with breach along dispensing needle head 1 length direction, this breach comprises cut surface 5, this breach with lead glue passage 4 and form plastic emitting groove 6.Wherein, cut surface 5 and the junction rounding off entering glue end 2, cut surface 5 extends to the end of glue-extruding end 3 from the junction rounding off entering glue end 2.Wherein, the groove depth of plastic emitting groove 6 reduces gradually entering on glue end 2 to glue-extruding end 3 direction.
In the embodiment of the present invention, overflowing at this position near the larger glue that can effectively prevent of groove depth entering glue end 2; Reduce in the groove depth of glue-extruding end 3, not only ensure that glue-extruding end 3 more easily inserts crack, also do not affect the conveying to glue.
Further, the minimum groove depth of plastic emitting groove 6 is not less than the radius of plastic emitting groove 6.In the embodiment of the present invention, the groove depth of this plastic emitting groove 6 end is the minimum of a value of plastic emitting groove 6 groove depth, it is set to the radius being more than or equal to plastic emitting groove 6, is applicable to more liquid glue, can effectively prevent glue from overflowing.
The soft dispensing needle head of the embodiment of the present invention is provided with groove depth and is entering the plastic emitting groove 6 that glue end 2 to glue-extruding end 3 direction reduces gradually, and the minimum groove depth of glue-extruding end 3 is not less than the radius of plastic emitting groove 6, achieve and be convenient to insert and lead glue, and effectively prevent glue from overflowing, be specially adapted to more liquid glue.
Above disclosedly be only a kind of preferred embodiment of the present invention, certainly the interest field of the present invention can not be limited with this, one of ordinary skill in the art will appreciate that all or part of flow process realizing above-described embodiment, and according to the equivalent variations that the claims in the present invention are done, still belong to the scope that invention is contained.
Claims (7)
1. a soft dispensing needle head, described soft dispensing needle head comprises into glue end and glue-extruding end, described enter glue end and described glue-extruding end conducting formed and lead glue passage, it is characterized in that, described glue-extruding end is provided with breach along described dispensing needle head length direction, described breach comprises cut surface, and described breach and described glue passage of leading form plastic emitting groove.
2. soft dispensing needle head according to claim 1, is characterized in that, described cut surface and described enter the junction rounding off of glue end, described cut surface from described enter the junction rounding off of glue end extend to the end of described glue-extruding end.
3. soft dispensing needle head according to claim 1 and 2, is characterized in that, the end face rounding off of described glue-extruding end.
4. soft dispensing needle head according to claim 1 and 2, is characterized in that, the end of described plastic emitting groove is provided with bulge-structure.
5. soft dispensing needle head according to claim 4, is characterized in that, the direction of described bulge-structure projection is identical with the opening direction of breach, and in circular arc.
6. soft dispensing needle head according to claim 1 and 2, is characterized in that, the groove depth of described plastic emitting groove is entered glue end to described glue-extruding end direction reduces gradually described.
7. soft dispensing needle head according to claim 6, is characterized in that, the minimum groove depth of described plastic emitting groove is not less than the radius of described plastic emitting groove.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510583027.2A CN105214900B (en) | 2015-09-14 | 2015-09-14 | A kind of soft dispensing needle head |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510583027.2A CN105214900B (en) | 2015-09-14 | 2015-09-14 | A kind of soft dispensing needle head |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105214900A true CN105214900A (en) | 2016-01-06 |
| CN105214900B CN105214900B (en) | 2018-02-02 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510583027.2A Active CN105214900B (en) | 2015-09-14 | 2015-09-14 | A kind of soft dispensing needle head |
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| CN (1) | CN105214900B (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107457161A (en) * | 2017-09-18 | 2017-12-12 | 湖北云万光电子科技有限公司 | A kind of connector-cable point glue equipment |
| CN110102442A (en) * | 2019-06-11 | 2019-08-09 | 苏州市星光精密机械有限公司 | It is a kind of for improving the energy saving dispensing needle head of dispensing height |
| CN111974615A (en) * | 2019-05-23 | 2020-11-24 | 宸美（厦门）光电有限公司 | Glue dispensing device |
| CN112371432A (en) * | 2020-11-10 | 2021-02-19 | 光大水务(济南)有限公司 | Oil applying device and method for transmission chain of rotary type grating dirt remover |
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| US4811903A (en) * | 1986-08-26 | 1989-03-14 | Koito Manufacturing Co., Ltd. | Very-wide-angle nozzle unit for headlight cleaner |
| JPH10137654A (en) * | 1996-11-08 | 1998-05-26 | Sekisui Chem Co Ltd | Apparatus for emitting tacky adhesive material |
| JP2004278302A (en) * | 1999-12-27 | 2004-10-07 | Dgp Hori Conductor Kk | Injection nozzle, resin injector and pinning construction method |
| US7090155B1 (en) * | 2004-03-01 | 2006-08-15 | Benjamin Franklin Rabitsch | Spray nozzle with one piece diffuser unit |
| CN201747076U (en) * | 2010-06-25 | 2011-02-16 | 云南省建筑科学研究院 | Tool for filling planted bar glue |
| CN203108735U (en) * | 2012-12-24 | 2013-08-07 | 龙门多泰工业有限公司 | Dispensing nozzle |
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2015
- 2015-09-14 CN CN201510583027.2A patent/CN105214900B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
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| US4811903A (en) * | 1986-08-26 | 1989-03-14 | Koito Manufacturing Co., Ltd. | Very-wide-angle nozzle unit for headlight cleaner |
| JPH10137654A (en) * | 1996-11-08 | 1998-05-26 | Sekisui Chem Co Ltd | Apparatus for emitting tacky adhesive material |
| JP2004278302A (en) * | 1999-12-27 | 2004-10-07 | Dgp Hori Conductor Kk | Injection nozzle, resin injector and pinning construction method |
| US7090155B1 (en) * | 2004-03-01 | 2006-08-15 | Benjamin Franklin Rabitsch | Spray nozzle with one piece diffuser unit |
| CN201747076U (en) * | 2010-06-25 | 2011-02-16 | 云南省建筑科学研究院 | Tool for filling planted bar glue |
| CN203108735U (en) * | 2012-12-24 | 2013-08-07 | 龙门多泰工业有限公司 | Dispensing nozzle |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107457161A (en) * | 2017-09-18 | 2017-12-12 | 湖北云万光电子科技有限公司 | A kind of connector-cable point glue equipment |
| CN111974615A (en) * | 2019-05-23 | 2020-11-24 | 宸美（厦门）光电有限公司 | Glue dispensing device |
| CN110102442A (en) * | 2019-06-11 | 2019-08-09 | 苏州市星光精密机械有限公司 | It is a kind of for improving the energy saving dispensing needle head of dispensing height |
| CN112371432A (en) * | 2020-11-10 | 2021-02-19 | 光大水务(济南)有限公司 | Oil applying device and method for transmission chain of rotary type grating dirt remover |
Also Published As
| Publication number | Publication date |
|---|---|
| CN105214900B (en) | 2018-02-02 |
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