CN202918599U - Vertical element pin structure for being welded to PCB (Printed Circuit Board) - Google Patents
Vertical element pin structure for being welded to PCB (Printed Circuit Board) Download PDFInfo
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- CN202918599U CN202918599U CN 201220530915 CN201220530915U CN202918599U CN 202918599 U CN202918599 U CN 202918599U CN 201220530915 CN201220530915 CN 201220530915 CN 201220530915 U CN201220530915 U CN 201220530915U CN 202918599 U CN202918599 U CN 202918599U
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Abstract
The utility model discloses a pin structure which cannot slide, rock or drop out of a pin hole after being inserted into a PCB (Printed Circuit Board), does not need to be held with hands, is convenient to weld and overcomes the problem that the vertical element pin in the prior art is likely to slide and rock after being inserted into the pin hole of the PCB to cause instability of the vertical element and welding inconvenience. The vertical element pin structure for being welded to the PCB comprises a leading section, an intermediate section and a tail section, wherein the leading section is closest to a vertical element body; the intermediate section is placed into the pin hole of the PCB; the tail section is far away from the vertical element body; the intermediate section comprises at least two bent sections; two adjacent bent sections are bent to opposite directions; and the horizontal distance between the bent peaks of two adjacent bent sections is larger than the diameter of the pin hole of the PCB. The pin structure disclosed by the utility model is applicable to any occasion suitable for the traditional vertical element pin and has the advantages of being difficult to slide and rock relative to the pin hole after being placed into the pin hole, and the like.
Description
Technical field
The utility model belongs to the electronic devices and components field, relates in particular to a kind of vertical element pin structure.
Background technology
Aborning, the normal employing the vertical components such as electric capacity, resistance, diode and pcb board is that the method that printed circuit board (PCB) welds is made electronic circuit board.Before welding, the pin of one or more vertical components need to be inserted in the pin bores corresponding on the pcb board, then with the pcb board turn-over, utilize welding gun and scolding tin that conductive metal ring and the pin bores itself of pin and pin bores lower surface are welded together.After yet the pin of vertical component inserts pin bores, before being welded and fixed, can shake and slide up and down, can not guarantee the stability of vertical component, when turn-over, drop out easily the pin bores external demand and again turn back to, and when inserting a plurality of vertical component simultaneously, if pcb board is put on the table together with vertical component, also make easily the vertical component that inserts pin bores be pushed out pin bores, therefore in welding process, need with hand steered posture in standing (qigong) formula element in the put procedure, it is very inconvenient to operate; And also complete complete dependence manual observation and the hand steered adjustment of distance that pin stretches out pcb board when welding, labour intensity is larger; Moreover when welding, weld time is shorter, and the rapid flow of scolding tin mainly relies on the guiding of pin, and existing pin configuration approaches linear, and scolding tin guiding amount is less, easily causes reaching in the pin bores peripheral weld deficiency, rosin joint.
Referring to disclosed on the Chinese patent literature " electric capacity ", its notification number is CN101656151A, this electric capacity comprises a body and two pins that are connected with this body, this two pin is respectively positive pole and negative pole, one convexes to form on this body and a contiguous wherein pin, recognizes the polarity of this pin representative with for touch.During operation, staff touches the polarity that this projection is namely known contiguous this protruding pin, thereby substitutes tradition by the method for visuognosis electric capacity polarity.In the situation more in assembling electric capacity quantity, that the operating time is long, can alleviate operating personnel's fatigue.But this kind vertical component is when being mounted to pcb board, and its pin still can slide in pin bores, shakes even drop out outside the pin bores, causes the unstable and welding inconvenience of vertical component; Also rely on manually fully in the pin adjustment of stretching out the pin bores distance of when welding, labour intensity is larger; Because pin configuration approaches linear, the guiding quantity not sufficient of scolding tin easily causes in the pin bores and peripheral rosin joint.
The utility model content
The purpose of this utility model is easily to slide, shake after inserting the pcb board pin bores for the vertical element pin that solves prior art, cause the problem that vertical component is unstable and welding is inconvenient, providing a kind of can not slide, rocks and drop out outside the pin bores after inserting pcb board, need not manually hand steeredly during welding, welding operation is pin configuration easily.
Another purpose of the present utility model is that its length of stretching out pin bores relies on instant manual observation and manually adjustment when being the pcb board welding for the vertical element pin that solves prior art, cause the larger problem of labour intensity, provide a kind of and when welding with pcb board, can accurately fix the pin configuration that need not manually to adjust the position in Pin locations and the welding process.
Another purpose of the present utility model is to approach linear for the vertical element pin structure that solves prior art, the guiding quantity not sufficient of scolding tin, easily cause in the pin bores and the problem of peripheral rosin joint, a kind of melting scolding tin that can guide q.s when welding with pcb board is provided, has guaranteed to reach in the pin bores pin configuration that periphery is difficult for producing weldering deficiency, rosin joint.
The utility model is achieved through the following technical solutions:
A kind of for the vertical element pin structure of pcb board welding, comprise the most close vertical component body the section of drawing, be used for inserting in the pin bores on the pcb board interlude and away from the latter end of vertical component body, described interlude comprises at least two bending segments, the overbending direction of adjacent two bending segments is opposite, horizontal range between the bending summit of adjacent two bending segments is greater than the pin bores diameter on the pcb board, described interlude is provided with a spring, and described spring is folded by the bending segment between any two adjacent bending summits or spiral is folded to form.The section of drawing is directly by drawing in the vertical component body, connected interlude in inserting the pcb board pin bores after, adjacent two bendings are respectively towards reverse both sides, and the horizontal range between the bending summit of adjacent two bending segments is greater than the aperture, therefore the bending summit can hold out against respectively the diverse location of pin bores inwall, make pin and pin bores clamping, thus, even workman's hand is decontroled, vertical element pin also is difficult for sliding up and down, double swerve can keep the stable of pin and vertical component position, when welding, only need the operation welding gun, scolding tin need not hand steered vertical component and vertical element pin again.Spring is between contiguous two bending summits, therefore after interlude is inserted pin bores, spring is compacted, produces towards rightabout two active forces, is delivered to the hole inwall by the bending summit, the bending summit is the contact point with the hole inwall, after being subject to the active force of spring, further hold-down apertures inwall, and realize more large-area the contact with the hole inwall, greatly improve clamping force, further guaranteed the firm clamping between whole pin and the pcb board.The while spring is folding by the bending segment between the adjacent bending summit or spiral is folded to form, so itself belongs to a part of interlude, can be one-body molded, and therefore make comparatively simply, also can not expend excessive cost.
As preferably, described latter end is provided with the elastic clamping hook section, and the inner of described elastic clamping hook section links to each other with the end of latter end, the outer end of described elastic clamping hook section upwards, the level interval of described elastic clamping hook section and latter end increases progressively from bottom to top.The elastic clamping hook section can be inserted in the pin bores with latter end, inserting between process Elastic snap fit section and the latter end apart from compressed, after the elastic clamping hook section is passed through the pcb board pin bores fully, the elastic clamping hook section is rebounded, the periphery that pin bores is in the pcb board back side is withstood in its outer end, no matter so from that direction latter end is exerted pressure, latter end all can not drop out outside the pin bores along placing direction again, so can avoiding in the past, pin easily drops out after inserting pin bores, need always artificial hand steered defective, drop out pin bores and cause pin bores to be stopped up by scolding tin if also can solve simultaneously in welding process pin, need secondary to drill through the problem of pin bores.Moreover, the elastic clamping hook section has also been fixed the position relationship between the utility model and the pcb board, as long as the elastic clamping hook section contacts with the pcb board back side, just can guarantee that the utility model is in suitable outreach, can carry out follow-up welding operation, adjusting position again then in welding process.And the elastic clamping hook section also can guide the scolding tin of more meltings when welding, reduces the possibility of rosin joint, and the contact area of the scolding tin after increasing the utility model and solidifying makes between conductive metal ring and scolding tin, the utility model and can better be welded and fixed.
As preferably, described elastic clamping hook section outer end be provided with for pcb board on conductive metal ring paste the contact-segment of touching, described contact-segment level.Contact-segment links to each other with elastic clamping hook section outer end; after a plurality of vertical element pins are inserted respectively the corresponding pin hole; if pcb board is put on the table together with vertical component; or staff firmly causes latter end to be subject to extruding when the situations such as welding operation; will compress mutually between elastic clamping hook section and the latter end; the at this moment existence of contact-segment has increased the contact area with pcb board, can protect the outer end of elastic clamping hook section, prevents that it is by excessive defeating to excessive deformation.Simultaneously, contact-segment can with the conducting metal loop contacts, have near a part is gathered at the melting scolding tin of when welding guiding, therefore when welding, be difficult for rosin joint, thereby guarantee that satisfactory electrical conductivity is arranged after welding.
As preferably, described contact-segment is provided with spacing head near an end of latter end, described spacing direction upwards, described spacing head is vertical under non operating state.Because contact-segment is used for pasting tactile with conductive metal ring, and spacing direction upwards, therefore spacing head is within the pin bores, in the utility model is placed into pin bores on the pcb board, if together with pcb board and components and parts are put on the table or staff firmly causes latter end and elastic clamping hook section pressurized, the elastic clamping hook section can be towards the direction motion away from latter end, the rear spacing head of the end distance of moving can be attached to the pin bores inwall, prevent that the elastic clamping hook section is excessively mobile, avoid interfering with other pin bores and avoid latter end, elastic clamping hook section excessive deformation.And spacing head is to be in can be inducted into pin bores to melting scolding tin when welding within the pin bores, and it is comparatively complete that sealing weld tin is filled, make be connected between welding rear vertical type element and the pcb board more firm.
As preferably, described spring is provided with the tension section, described tension Duan Yiduan connection contact-segment or spacing head, other end linking springs peak.Need sometimes once to insert a plurality of vertical components that are associated, then unify welding, before after vertical element pin inserts pin bores, extremely welding, inevitably pcb board need to be put into desktop gets on by welding gun and scolding tin, and in the process of inserting pin, also can not only insert inward simply, need have at least a pullback operation to adjust Pin locations, these all can be to latter end and elastic clamping hook section build-up of pressure, and the elastic clamping hook section reached with contact-segment, spacing head and all can move along the direction away from latter end this moment.Be connected with the tension section on contact-segment or the spacing head, tension section linking springs peak, that is to say when the elastic clamping hook section outwards moves, can be by the peak of the drop-down spring of tension section, the whole gradient of spring is reduced, and spring can be compressed tighter thus, and is larger to the pressure at two ends, relative sliding between interlude and the pin bores is more difficult, so can fully guarantee fixing between interlude and the pin bores.
As preferably, the described section of drawing becomes a bent angle with the junction of interlude, and described bent angle is outside the vertical projection on the pcb board is in pin bores in-scope on the pcb board.When welding, need to be inverted pcb board, make vertical component lower, pcb board welds with scolding tin and welding gun upper again, and welding gun and scolding tin need be pressed in the pcb board back side when welding, and this moment, the distance of vertical component and pcb board will be close because of pressure.Bent angle can be pressed down to the lower end and touch the pin bores edge in pressing near procedure, if will continue to press down vertical component this moment, the bent angle lower end can not move down substantially again, but moves down on the bent angle, and the bent angle angle can diminish.If therefore during welding operation welding gun press down too quickly because the protection of bent angle, interlude still be difficult for and pin bores between relatively move, can guarantee smooth the welding.And because this architectural characteristic, although the vertical component pressurized, interlude and latter end can not be affected substantially, as long as beginning the insertion position most adjusts to the right place, need not again to adjust in follow-up welding, need not hand steered vertical component control outreach yet.
As preferably, the horizontal range between the bending summit of described latter end and a contiguous bending segment is greater than the pin bores radius on the pcb board.If the horizontal range between the bending summit of a bending segment of latter end and vicinity is too small, then excessive to the thrust of whole pin configuration in the vertical direction when the latter end pressurized, cause easily between whole pin and the pin bores to relatively move; And the horizontal range between the bending summit of a bending segment of latter end and vicinity is larger, then the lower end of interlude can be at first compressed when the latter end pressurized, the bending segment of interlude has the trend that is laterally pressed off, further hold out against the pin bores inwall, be difficult between whole pin and the pin bores relatively moving, therefore choose latter end and the bending summit of a bending segment being close between horizontal range greater than the pin bores radius on the pcb board.
As preferably, the described section of drawing is vertical near the part of vertical component body, and the mid portion of the described section of drawing becomes 0 to miter angle with horizontal plane, and the part of the mid portion of the described section of drawing and close vertical component body seamlessly transits.The distance of vertical component and pcb board adjust can be directly by upper drop-down, press vertical component to finish, the mid portion of the section of drawing is horizontal by certain angle, can guarantee necessarily to draw, press surplus, in order to guarantee the reasonable of vertical component position, the section of drawing is vertical near the part of vertical component body simultaneously.
As preferably, described elastic clamping hook section, contact-segment, spacing head, tension section are formed in one.One-body moldedly can reduce operation, reduce cost, guarantee simultaneously the bonding strength between the each several part.
Therefore, the beneficial effects of the utility model are: (1) after inserting pin bores, be difficult for and pin bores between relative sliding occurs and be difficult for rocking; (2) after the one-time positioning, until welding is finished, all need not again manually to adjust the position, and also needn't be with hand steered firmly the utility model, safety labor-saving in the welding process; (3) structure that is in the pin bores can increase the water conservancy diversion area, makes melting scolding tin fully fill at short notice pin bores and flow to conductive metal ring, reduces rosin joint, the not enough possibility that occurs of weldering.
Description of drawings
Fig. 1 is a kind of structural representation of the present utility model;
Fig. 2 is the structural representation of the utility model vertical component.
Among the figure: vertical component body 1, the section of drawing 2, interlude 3, latter end 4, bending segment 5, spring 6, elastic clamping hook section 7, contact-segment 8, spacing 9, tension section 10, bent angle 11, pcb board 12, conductive metal ring 13.
Embodiment
Below by embodiment, by reference to the accompanying drawings the technical solution of the utility model is described further:
As shown in Figure 1 and Figure 2 a kind of for the vertical element pin structure of pcb board welding, comprise the most close vertical component body 1 the section of drawing 2, be used for inserting in the pin bores on the pcb board 12 interlude 3 and away from the latter end 4 of vertical component body 1, described interlude 3 comprises two bending segments 5, the overbending direction of two bending segments 5 is opposite, and the horizontal range between the bending summit of two bending segments 5 is greater than the pin bores diameter on the pcb board 12.Horizontal range between the bending summit of two bending segments 5 is greater than the aperture, thus interlude 3 in inserting pcb board 12 pin bores after, two bendings are respectively towards reverse two side compression pin bores inwalls.Described interlude 3 is provided with a spring 6, and described spring 6 is folded by the bending segment 5 between two bending summits or spiral is folded to form.Described latter end 4 is provided with elastic clamping hook section 7, and the inner of described elastic clamping hook section 7 links to each other with the end of latter end 4, and the outer end of described elastic clamping hook section 7 makes progress, and described elastic clamping hook section 7 increases progressively from bottom to top with the level interval of latter end 4.Described elastic clamping hook section 7 outer ends be provided with for pcb board 12 on conductive metal ring 13 paste the contact-segment 8 of touching, described contact-segment 8 levels.Described contact-segment 8 is provided with spacing 9 near an end of latter end 4, and described spacing 9 directions make progress, and described spacing 9 is vertical under non operating state.Described spring 6 is provided with tension section 10, and described tension section 10 1 ends connect spacing 9, other end linking springs 6 peaks, and linking to each other here can be the multiple connected modes such as welding, clasp joint.The described section of drawing 2 becomes a bent angle 11 with the junction of interlude 3, and described bent angle 11 is outside the vertical projection on the pcb board 12 is in pin bores in-scope on the pcb board 12.Horizontal range between the bending summit of a bending segment 5 of described latter end 4 and vicinity is greater than the pin bores radius on the pcb board 12, if the horizontal range between the bending summit of a bending segment 5 of latter end 4 and vicinity is too small, then excessive to the thrust of whole pin configuration in the vertical direction when latter end 4 pressurized, cause easily between whole pin and the pin bores to relatively move; And the horizontal range between the bending summit of a bending segment 5 of latter end 4 and vicinity is larger, then the lower end of interlude 3 can be at first compressed when latter end 4 pressurized, the bending segment 5 of interlude 3 has the trend that is laterally pressed off, further hold out against the pin bores inwall, be difficult between whole pin and the pin bores relatively moving, therefore choose latter end 4 and the bending summit of a bending segment 5 being close between horizontal range greater than the pin bores radius on the pcb board 12.The described section of drawing 2 is vertical near the part of vertical component body 1, the mid portion of the described section of drawing 2 becomes 30 degree angles with horizontal plane, the mid portion of the described section of drawing 2 seamlessly transits with the part of close vertical component body 1, the distance of vertical component and pcb board 12 adjust can be directly by upper drop-down, press vertical component to finish, the mid portion of the section of drawing 2 is horizontal by certain angle, can guarantee necessarily to draw, press surplus, in order to guarantee the reasonable of vertical component position, the section of drawing 2 is vertical near the part of vertical component bodies 1 simultaneously.Described elastic clamping hook section 7, contact-segment 8, spacing 9, tension section 10 are formed in one, and can reduce operation, reduce cost, guarantee simultaneously the bonding strength between the each several part.
When using the utility model, insert together latter end 4 and elastic clamping hook section 7 in the pin bores corresponding on the pcb board 12 and release outside the pin bores, then elastic clamping hook section 7 is first compacted resets, the outer end of the rear elastic clamping hook section 7 that resets is in outside the pin bores scope, the utility model of pulling back is adjusted the position, make elastic clamping hook section 7 and contact-segment 8 be pressed onto pcb board 12 back sides, so just fixed the distance that the utility model stretches out pin bores, need not afterwards again to adjust.And in the process of pulling back, elastic clamping hook section 7 can because of pressure towards moving away from latter end 4 directions, it is downward, outwards mobile so just to have driven tension section 10, therefore spring 6 peaks move down, and spring 6 gradients reduce, and trend towards level, spring 6 can be compressed tighter thus, recovery pressure to two ends is larger, and the relative sliding between interlude 3 and the pin bores is more difficult, so can fully guarantee fixing between interlude 3 and the pin bores.And pulling back when adjusting the position, spacing 9 can control pull back apart from and pull-back forces, when pulling back when excessive, spacing 9 touches the pin bores inwall generation resistance of pulling back, and can avoid elastic clamping hook section 7 excessive deformations.Pin with vertical component several associations, that need weld together, all insert corresponding pin bores and the adjusted position postpone of pulling back, pcb board 12 turn-overs are placed on the table, scolding tin and welding gun be pressed in begin welding on the conducting metal hole, solder stick is melted into melting scolding tin, melting scolding tin is along latter end 4 and elastic clamping hook section 7 rapid flows, and a part enters pin bores, and a part accumulates in conductive metal ring 13 surfaces.Total institute is known, if two welded junctor spacings are excessive when welding, causes easily the welding portion interior thickness not enough, even rosin joint, and elastic clamping hook section 7 connects the contact-segment 8 that contacts with conductive metal ring 13, bonding strength and conductivity after can fully guaranteeing to weld.Melting scolding tin simultaneously also enters pin bores along spacing 9, tension section 10, guarantees fully to fill within short several seconds of welding pin bores.After welding is finished, also can the section of drawing 2 be straightened the vertical component pull-up, make its side press close to pcb board 12 the horizontal overturning of vertical component this moment, the height space that takies to reduce vertical component.
Claims (9)
1. vertical element pin structure that is used for the pcb board welding, comprise the section of drawing (2) of close component body, be used for inserting in the pin bores on the pcb board (12) interlude (3) and away from the latter end (4) of component body, it is characterized in that, described interlude (3) comprises at least two bending segments (5), the overbending direction of adjacent two bending segments (5) is opposite, horizontal range between the bending summit of adjacent two bending segments (5) is greater than the pin bores diameter on the pcb board (12), described interlude (3) is provided with a spring (6), and described spring (6) is folded by the bending segment (5) between any two adjacent bending summits or spiral is folded to form.
According to claim 2 a kind of for the vertical element pin structure of pcb board welding, it is characterized in that, described latter end (4) is provided with elastic clamping hook section (7), the inner of described elastic clamping hook section (7) links to each other with the end of latter end (4), the outer end of described elastic clamping hook section (7) makes progress, and described elastic clamping hook section (7) increases progressively from bottom to top with the level interval of latter end (4).
According to claim 3 a kind of for the vertical element pin structure of pcb board welding, it is characterized in that, described elastic clamping hook section (7) outer end be provided with for pcb board (12) on contact-segment (8) that paste to touch of conductive metal ring (13), described contact-segment (8) level.
According to claim 4 a kind of for the vertical element pin structure of pcb board welding, it is characterized in that, described contact-segment (8) is provided with spacing head (9) near an end of latter end (4), described spacing head (9) direction makes progress, and described spacing head (9) is vertical under non operating state.
According to claim 5 a kind of for the vertical element pin structure of pcb board welding, it is characterized in that, described spring (6) is provided with tension section (10), described tension section (10) one ends connect contact-segment (8) or spacing head (9), other end linking springs (6) peak.
According to claim 1 and 2 or 3 described a kind of for the vertical element pin structure of pcb board welding, it is characterized in that, the described section of drawing (2) becomes a bent angle (11) with the junction of interlude (3), and described bent angle (11) is outside the vertical projection on the pcb board (12) is in pin bores in-scope on the pcb board (12).
According to claim 1 and 2 or 3 or 4 or 5 described a kind of for the vertical element pin structure of pcb board welding, it is characterized in that the horizontal range between the bending summit of a bending segment (5) of described latter end (4) and vicinity is greater than the pin bores radius on the pcb board (12).
According to claim 1 a kind of for the vertical element pin structure of pcb board welding, it is characterized in that, the described section of drawing (2) is vertical near the part of component body, the mid portion of the described section of drawing (2) becomes 0 to miter angle with horizontal plane, and the mid portion of the described section of drawing (2) seamlessly transits with the part of close component body.
According to claim 6 a kind of for the vertical element pin structure of pcb board welding, it is characterized in that described elastic clamping hook section (7), contact-segment (8), spacing head (9), tension section (10) are formed in one.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220530915 CN202918599U (en) | 2012-10-17 | 2012-10-17 | Vertical element pin structure for being welded to PCB (Printed Circuit Board) |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220530915 CN202918599U (en) | 2012-10-17 | 2012-10-17 | Vertical element pin structure for being welded to PCB (Printed Circuit Board) |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202918599U true CN202918599U (en) | 2013-05-01 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220530915 Expired - Fee Related CN202918599U (en) | 2012-10-17 | 2012-10-17 | Vertical element pin structure for being welded to PCB (Printed Circuit Board) |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202918599U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102938984A (en) * | 2012-10-17 | 2013-02-20 | 宁波凯耀电器制造有限公司 | Vertical element pin structure for being welded to PCB (Printed Circuit Board) |
| CN106595947A (en) * | 2015-10-14 | 2017-04-26 | 南京高华科技股份有限公司 | Pressure sensor |
| CN107592751A (en) * | 2017-09-18 | 2018-01-16 | 广东欧珀移动通信有限公司 | A kind of circuit board assemblies and preparation method thereof, contact pin component, mobile terminal |
-
2012
- 2012-10-17 CN CN 201220530915 patent/CN202918599U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102938984A (en) * | 2012-10-17 | 2013-02-20 | 宁波凯耀电器制造有限公司 | Vertical element pin structure for being welded to PCB (Printed Circuit Board) |
| CN102938984B (en) * | 2012-10-17 | 2015-03-25 | 宁波凯耀电器制造有限公司 | Vertical element pin structure for being welded to PCB (Printed Circuit Board) |
| CN106595947A (en) * | 2015-10-14 | 2017-04-26 | 南京高华科技股份有限公司 | Pressure sensor |
| CN107592751A (en) * | 2017-09-18 | 2018-01-16 | 广东欧珀移动通信有限公司 | A kind of circuit board assemblies and preparation method thereof, contact pin component, mobile terminal |
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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: 20130501 Termination date: 20151017 |
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| EXPY | Termination of patent right or utility model |