CN203085875U - Power distributor having function of preventing power plug from falling off - Google Patents
Power distributor having function of preventing power plug from falling off Download PDFInfo
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- CN203085875U CN203085875U CN 201320057373 CN201320057373U CN203085875U CN 203085875 U CN203085875 U CN 203085875U CN 201320057373 CN201320057373 CN 201320057373 CN 201320057373 U CN201320057373 U CN 201320057373U CN 203085875 U CN203085875 U CN 203085875U
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- 230000000295 complement effect Effects 0.000 claims description 4
- 238000000034 method Methods 0.000 description 10
- 238000010586 diagram Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 230000001788 irregular Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
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- 238000012545 processing Methods 0.000 description 2
- 230000001105 regulatory effect Effects 0.000 description 2
- 241001136800 Anas acuta Species 0.000 description 1
- 206010062717 Increased upper airway secretion Diseases 0.000 description 1
- 229910000831 Steel Inorganic materials 0.000 description 1
- 238000005452 bending Methods 0.000 description 1
- 238000010273 cold forging Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000012467 final product Substances 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 150000002739 metals Chemical class 0.000 description 1
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- 208000026435 phlegm Diseases 0.000 description 1
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Abstract
The utility model discloses a power distributor having a function of preventing power plugs from falling off. The power distributor having the function of preventing the power plugs from falling off includes an equipment cabinet power socket and anti-falling buckles, wherein the equipment cabinet power socket is provided with a plurality of socket apertures. Two side edges of the positions of the socket apertures in the equipment cabinet power socket are provided with fixing holes. The anti-falling buckles include buckle bodies used for being clamped in elastic clamping ports in the fixing grooves in the equipment cabinet power socket. The elastic clamping ports are provided with rotary shafts. The rotary shafts are matched with the fixing holes and can be inserted into the fixing holes. The power distributor having the function of preventing the power plugs from falling off also includes clamping rings arranged on the buckle bodies and used for fixing the power plugs. When using the power distributor having the function of preventing the power plugs from falling off, the rotary shafts on the anti-falling buckles are clamped in the fixing holes, so that the anti-falling buckles are fixed with the equipment power socket together. Then wires in the tail parts of the power plugs are clamped in the clamping rings and the power plugs are fixed with the power socket together, so that a problem that the power plugs plugged in the equipment power socket become flexible or fall off is avoided further.
Description
Technical field
The application relates to the five metals technical field, particularly relate to a kind of have prevent the come off power distributor of function of attaching plug.
Background technology
At present, matching used apparatus socket generally all adopts rack supply socket (Power Distribution Unit on data machine room standard rack formula server or the network cabinet, PDU) as electric power source distribution device, this power source special socket has many-sided advantages such as safe mass is good, load power big, socket standard kind is many with respect to common socket.
By research to prior art, the inventor finds: the same with common socket, attaching plug in the rack supply socket discharges side by side, all attaching plugs all just insert and are fixed in the rack supply socket, and do not adopt other safeguard procedures, in use, rock when the cabinet supply socket occurring, or plug is during attaching plug, these fortuitous events all can cause plug situation loosening or that come off to take place, in case and plug occurs loosening or comes off, can occur overheated and cause on fire in moment, and then cause fire, so there is apparent in view safe handling hidden danger.
The utility model content
In view of this, the embodiment of the present application provide a kind of have prevent the come off power distributor of function of attaching plug, to solve the problem that plug in the existing rack supply socket is loosening easily or come off.
To achieve these goals, the technical scheme that provides of the embodiment of the present application is as follows:
A kind of have prevent the come off power distributor of function of attaching plug, comprising: rack supply socket and slip-off preventing buckle, wherein,
Described rack supply socket is provided with a plurality of socket apertures, is respectively arranged with fixing hole on two sides of each socket aperture position in the described rack supply socket;
Described slip-off preventing buckle comprises:
Be provided with the buckle main body of the elastic bayonet lock in the fixing hole that is used to be connected in the described rack supply socket, described elastic bayonet lock is provided with rotating shaft, and described rotating shaft and described fixing hole are complementary, and can be inserted in the described fixing hole;
Be arranged on the described buckle main body, be used for fixing the snap ring of described attaching plug.
Preferably, in this power distributor that the embodiment of the present application provides, the fixing hole that is arranged in the described rack supply socket is a deep gouge.
Preferably, in this power distributor that the embodiment of the present application provides, described buckle main body is a U type structure;
The corresponding position, two ends of described U type side is respectively arranged with a rotating shaft.
Preferably, in this power distributor that the embodiment of the present application provides, the side of described rotating shaft and described U type structure is perpendicular.
Preferably, in this power distributor that the embodiment of the present application provides, described buckle main body is an arcuate structure;
Corresponding position, the two ends of described arcuate structure is respectively arranged with a rotating shaft.
Preferably, in this power distributor that the embodiment of the present application provides, described snap ring is arranged on the base of described U type structure, and is positioned at the middle part on described U type structure base;
The internal diameter of described snap ring is less than the external diameter of the power line that connects on the attaching plug in the described supply socket.
Preferably, in this power distributor that the embodiment of the present application provides, described snap ring is the arcuate structure that is provided with opening, and the two ends of loop configuration are connected with described buckle main body respectively.
Preferably, in this power distributor that the embodiment of the present application provides, be provided with angle between plane, described snap ring place and the plane, described buckle main body place.
Preferably, in this power distributor that the embodiment of the present application provides, plane, described snap ring place and plane, described buckle main body place are perpendicular.
Preferably, in this power distributor that the embodiment of the present application provides, be respectively arranged with a plurality of fixing holes on two sides of each socket aperture position in the described rack supply socket;
A plurality of described fixing holes are arranged in a linear, and the bearing of trend of described straight line parallels with the direction that described attaching plug inserts.
By above technical scheme as seen, this power distributor that the embodiment of the present application provides, comprise rack supply socket and slip-off preventing buckle, wherein, the rack supply socket is provided with a plurality of socket apertures, and be respectively arranged with fixing hole on two of each socket aperture position sides in the rack supply socket, the slip-off preventing buckle comprises buckle main body and snap ring, the buckle main body is provided with the elastic bayonet lock that is used to be connected in the rack supply socket, and elastic bayonet lock is provided with rotating shaft, and snap ring is arranged on the buckle main body.
Compared with prior art; this power distributor in use; the rotating shaft that elastic bayonet lock position on the slip-off preventing buckle is provided with can be inserted in the fixing hole in the rack supply socket; this slip-off preventing buckle and rack supply socket are fixed; electric wire with the attaching plug afterbody snaps onto in the snap ring then; just attaching plug and supply socket can be fixed; and then problem loosening or that come off appears in the attaching plug that can avoid being inserted in the rack supply socket; and then avoid because attaching plug is loosening or come off and the fire that may cause; problems such as electric leakage have satisfied the requirement of power consumption equipment attaching plug fail safe protection.
In addition, this power distributor that this case provides, it is succinct, simple in structure also to have outward appearance, easy for installation, can be adapted in the rack supply socket of disparate modules standard, variety classes standard, and no matter the plug of supporting corresponding power line is any kind pattern, all can accomplish unified the setting, so this power distributor can also satisfy the fixing versatility requirement of anti-drop device function of device plug in the rack supply socket.
Description of drawings
In order to be illustrated more clearly in the embodiment of the present application or technical scheme of the prior art, to do to introduce simply to the accompanying drawing of required use in embodiment or the description of the Prior Art below, apparently, the accompanying drawing that describes below only is some embodiment that put down in writing among the application, for those of ordinary skills, under the prerequisite of not paying creative work, can also obtain other accompanying drawing according to these accompanying drawings.
Fig. 1 prevents the come off structural representation of power distributor of function of attaching plug for having of providing of the embodiment of the present application;
Fig. 2 is the end view of Fig. 1;
A kind of structural representation of the slip-off preventing buckle that Fig. 3 provides for the embodiment of the present application;
Fig. 4 is the vertical view of Fig. 3;
The another kind of structural representation of the slip-off preventing buckle that Fig. 5 provides for the embodiment of the present application;
Another structural representation of the slip-off preventing buckle that Fig. 6 provides for the embodiment of the present application;
Another structural representation of the slip-off preventing buckle that Fig. 7 provides for the embodiment of the present application;
Fig. 8 is the end view of Fig. 7;
Another structural representation of the slip-off preventing buckle that Fig. 9 provides for the embodiment of the present application;
The partial schematic diagram that the slip-off preventing buckle that Figure 10 provides for the embodiment of the present application is connected with attaching plug;
Figure 11 is the another kind of end view of Fig. 1.
Embodiment
In order to make those skilled in the art person understand technical scheme among the application better, below in conjunction with the accompanying drawing in the embodiment of the present application, technical scheme in the embodiment of the present application is clearly and completely described, obviously, described embodiment only is the application's part embodiment, rather than whole embodiment.Based on the embodiment among the application, those of ordinary skills are not making the every other embodiment that is obtained under the creative work prerequisite, all should belong to the scope of the application's protection.
Embodiment one:
Fig. 1 prevents the come off structural representation of power distributor of function of attaching plug for having of providing of the embodiment of the present application.Fig. 2 is the end view of Fig. 1.
As depicted in figs. 1 and 2, this power distributor comprises: rack supply socket 4 and slip-off preventing buckle, wherein, described rack supply socket 4 is provided with a plurality of socket apertures 5, is respectively arranged with fixing hole 6 on two sides of each socket aperture 5 position in the described rack supply socket 4.
When specific implementation, fixing hole 6 can be for being arranged on the deep gouge in the rack supply socket 4.
A kind of structural representation of the slip-off preventing buckle that Fig. 3 provides for the embodiment of the present application.Fig. 4 is the vertical view of Fig. 3.
As shown in Figure 3, this slip-off preventing buckle comprises: buckle main body 1 and snap ring 3, wherein, buckle main body 1 is provided with elastic bayonet lock 11, on 11 two inboards of elastic bayonet lock, rotating shaft 2 is set respectively, the position of two rotating shafts 2 is corresponding, is used for this buckle main body 1 and rack supply socket are fixed, and snap ring 3 is positioned on the buckle main body 1; As shown in Figure 2, snap ring 3 is for being provided with the arcuate structure of opening, and the two ends of arcuate structure are connected with buckle main body 1 respectively, and the effect of snap ring 3 is the electric wires that are used to clamp the afterbody on the attaching plug or clamp the attaching plug afterbody, and then attaching plug is fixed.
The structure of the buckle main body 1 that the embodiment of the present application provides can be U type structure, and as shown in Figure 3, two rotating shafts 2 are separately positioned on the inboard corresponding position of U type structure side, and in order to make buckle main body 1 and cabinet supply socket fixation.
In order to make buckle main body 1 and cabinet supply socket fixation, preferably, rotating shaft 2 can be perpendicular with the side of U type structure.And in the embodiment of the present application, the rotating shaft 2 on the slip-off preventing buckle is complementary with fixing hole 6, and in use, rotating shaft 2 can be inserted in the fixing hole 6
In other embodiment of the application, the structure of buckle main body 1 can also be arcuate structure or other irregular U type structures, as shown in Figure 5, the another kind of structural representation of the slip-off preventing buckle that provides for the embodiment of the present application, the structure of buckle main body 1 is the semicircular arc structure among the figure, and the opening of semicircular arc structure is elastic opening.
As shown in Figure 6, another structural representation of the slip-off preventing buckle that provides for the embodiment of the present application, the structure of buckle main body 1 is irregular U type structure among the figure, the side of U type structure is provided with bending, makes that promptly the side of whole U type structure is stepped.
In order to guarantee the elasticity and the intensity preferably of having of buckle main body 1, in the embodiment of the present application, can processing of buckle main body 1 by the cold forging steel bar, and after the moulding through the Hui Li and the processing of reducing phlegm and internal heat, the buckle main body 1 that obtains like this can show good toughness and tension force.
Because the electric wire on the attaching plug is usually located at attaching plug afterbody centre position, so as shown in Figure 3 and Figure 4, the position of snap ring 3 can be arranged on the centre position, bottom of the U type structure of buckle main body 1 usually.The line footpath that is less than suitable power line of the internal diameter setting of snap ring 3 is fixed power line with realization.In specific embodiment, as shown in Figure 4, snap ring 3 can be the width of the opening U type structure less than the width of inside, it is the big structure of the little tripe of opening, and preferably, the width of snap ring 3 inside can greater than, be equal to or less than the line footpath of suitable power line, and the width of snap ring 3 openings must be less than the line footpath of suitable power line, power line just can be squeezed in the snap ring by the opening of snap ring 3 like this, and then power line is fixedly blocked.
Be arranged on the attaching plug of attaching plug side for those electric wires, can corresponding other positions of U type structure that snap ring 3 are arranged on buckle main body 1, the bottom of U type structure but be not positioned at the centre position for example, perhaps, on the side of U type structure.
As Fig. 7 or shown in Figure 9, power line on the attaching plug of the slip-off preventing buckle correspondence among Fig. 7 is positioned at the afterbody of this attaching plug, but be not positioned at the center of attaching plug, Fig. 7 is the end view of Fig. 6, as can see from Figure 7, the snap ring 3 that is provided with among Fig. 5 is positioned at a side of the bottom of buckle main body 1U type structure.Power line on the voltage plug of the slip-off preventing buckle correspondence among Fig. 9 is positioned at the side of this attaching plug.
In addition, the fixed power source plug is provided with angle between snap ring plane, 3 place and the plane, buckle main body 1 place for convenience.After considering that attaching plug is inserted into the rack supply socket, electric wire on it is vertical with the panel of rack power supply usually, so in the embodiment of the present application, preferably, as shown in Figure 3 and Figure 4, snap ring plane, 3 place and plane, buckle main body 1 place are perpendicular, be that angle between snap ring plane, 3 place and the plane, buckle main body 1 place is 90 °, like this after attaching plug is inserted into socket, electric wire on the attaching plug can directly be stuck in the snap ring 3, electric wire is fixed, and then attaching plug is fixed.
As depicted in figs. 1 and 2,4 is the rack supply socket among the figure, 5 for being set up in parallel a plurality of jacks in rack supply socket 4, in the embodiment of the present application, matches with this slip-off preventing buckle, in rack supply socket 4, also be provided with fixing hole 6, as shown in Figure 2, the both sides of each jack 5 are respectively arranged with two fixing holes 6 in rack supply socket 4, and the rotating shaft 2 on fixing hole 6 and the slip-off preventing buckle is complementary, promptly in use, rotating shaft 2 can be inserted in the fixing hole 6.
When using this slip-off preventing buckle, elastic bayonet lock 11 can be opened, make two rotating shafts 2 on the elastic bayonet lock 11 be inserted into respectively in two fixing holes 6 of some socket apertures 5 both sides setting, make this slip-off preventing buckle be connected with rack supply socket 4, because rotating shaft 2 can be rotated, so before inserting attaching plug, this slip-off preventing buckle can be rotated, attaching plug is inserted in the socket aperture 5 then, upwards rotate the slip-off preventing buckle again, make the snap ring 3 on the slip-off preventing buckle be stuck in the afterbody (for example: the boss or the screw thread that are arranged on pin tail) of plug 5, perhaps directly be stuck on the electric wire of plug 5 afterbodys.As shown in figure 10, be the partial schematic diagram that the slip-off preventing buckle is connected with attaching plug, 7 is attaching plug among the figure, and 8 is the electric wire that is connected with attaching plug 7.
By above technical scheme as seen, this power distributor that the embodiment of the present application provides, comprise rack supply socket and slip-off preventing buckle, wherein, the rack supply socket is provided with a plurality of socket apertures, and be respectively arranged with fixing hole on two of each socket aperture position sides in the rack supply socket, the slip-off preventing buckle comprises buckle main body and snap ring, the buckle main body is provided with the elastic bayonet lock that is used to be connected in the rack supply socket, and elastic bayonet lock is provided with rotating shaft, and snap ring is arranged on the buckle main body.
Compared with prior art; this power distributor in use; the rotating shaft that elastic bayonet lock position on the slip-off preventing buckle is provided with can be inserted in the fixing hole in the rack supply socket; this slip-off preventing buckle and rack supply socket are fixed; electric wire with the attaching plug afterbody snaps onto in the snap ring then; just attaching plug and supply socket can be fixed; and then problem loosening or that come off appears in the attaching plug that can avoid being inserted in the rack supply socket; and then avoid because attaching plug is loosening or come off and the fire that may cause; problems such as electric leakage have satisfied the requirement of power consumption equipment attaching plug fail safe protection.
Embodiment two:
In actual use, the pattern that is inserted into the attaching plug in the rack supply socket may be varied, for example: the varying in size of attaching plug, so for above-mentioned slip-off preventing buckle,, after in case the U type structure of buckle main body 1 is set and is finished, the size of the attaching plug that it is corresponding is fixed, when changing attaching plug, same bayonet socket main body 1 with possibly can't hold attaching plug after the replacing, for example: the attaching plug after changing hour, the slip-off preventing buckle can't be fixed on attaching plug in the rack supply socket, the loosening problem of attaching plug promptly still can occur, and when the attaching plug after the replacing is big, here said to typically refer to the attaching plug afterbody more greatly longer, after this moment, the slip-off preventing buckle was installed, power line can't be snapped in the snap ring 3.
For fear of the problems referred to above, in other embodiment of the application, the U type side of buckle main body 1 can be arranged to telescopic rod, like this for the attaching plug of different size size, in addition, this telescopic rod can also be provided with the locking fastener, promptly after the length of the U type side that sets buckle main body 1 according to attaching plug, can lock the locking fastener, the U type side edge length of buckle main body 1 is fixed.
Can be by above-mentioned setting so that this power distributor is applicable to the attaching plug of different size size.
In addition, in other embodiment of the application, in order to adapt to the attaching plug of different size size, as shown in figure 11, can also be arranged to the fixing hole in the rack supply socket 6 a plurality of, and a plurality of fixing holes 6 are arranged in a linear, and straight line parallels with the direction that attaching plug inserts, like this, and can be along with the size of attaching plug, the rotating shaft of regulating on the buckle main body 1 is inserted in the different fixing hole 6, and then can play the effect of regulating the slip-off preventing buckle.
This power distributor that this case provides, it is succinct, simple in structure also to have outward appearance, easy for installation, can be adapted to the rack supply socket of disparate modules standard, variety classes standard, and no matter the plug of supporting corresponding power line is any kind pattern, all can accomplish unified the setting, so this power distributor can also satisfy the fixing versatility requirement of anti-drop device function of device plug in the rack supply socket.
More than a kind of slip-off preventing buckle that the application provided is described in detail, used specific case herein the application's principle and execution mode are set forth, the explanation of above embodiment just is used to help to understand the application's method and core concept thereof; Simultaneously, for one of ordinary skill in the art, according to the application's thought, the part that all can change in specific embodiments and applications, in sum, this description should not be construed as the restriction to the application.
Each embodiment adopts the mode of going forward one by one to describe in this specification, and what each embodiment stressed all is and the difference of other embodiment that identical similar part is mutually referring to getting final product between each embodiment.
Need to prove, in this article, such as " greater than " or " surpassing " or " being higher than " or " less than " or " being lower than " etc. relationship description, all can be understood as " greater than and be not equal to " or " less than and be not equal to ", also can be understood as " more than or equal to " or " smaller or equal to ", and not necessarily require or hint a kind of situation qualification or intrinsic that is necessary for.
In addition, in this article, relational terms such as " first " and " second " etc. only is used for an entity or operation are made a distinction with another entity or operation, and not necessarily requires or hint and have the relation of any this reality or in proper order between these entities or the operation.And, in this article, term " comprises ", " comprising " or its any other variant are intended to contain comprising of nonexcludability, thereby make and comprise that process, method, article or the equipment of a series of key elements not only comprise those key elements, but also comprise other key elements of clearly not listing, or also be included as this process, method, article or equipment intrinsic key element.Do not having under the situation of more restrictions, the key element that limits by statement " comprising ... ", and be not precluded within process, method, article or the equipment that comprises described key element and also have other identical element.
Need to prove, the above only is a part of preferred embodiment of present techniques scheme, make those skilled in the art can fully understand or realize the application, rather than whole embodiment, defined herein General Principle can realize under the situation of the spirit or scope that do not break away from the application in other embodiments.Therefore; based on above embodiment; for those skilled in the art; do not break away from the application's principle, do not making under the creative work prerequisite, can also make multiple conspicuous modification and retouching; by the every other embodiment that these modification and retouchings obtained; can be applied to the present techniques scheme, these do not influence the application's realization, all should belong to the application's protection range.Therefore, the application will can not be restricted to these embodiment shown in this article, but will meet and principle disclosed herein and features of novelty the wideest corresponding to scope.
Claims (10)
1. one kind has and prevents the come off power distributor of function of attaching plug, it is characterized in that, comprising: rack supply socket and slip-off preventing buckle, wherein,
Described rack supply socket is provided with a plurality of socket apertures, is respectively arranged with fixing hole on two sides of each socket aperture position in the described rack supply socket;
Described slip-off preventing buckle comprises:
Be provided with the buckle main body of the elastic bayonet lock in the fixing hole that is used to be connected in the described rack supply socket, described elastic bayonet lock is provided with rotating shaft, and described rotating shaft and described fixing hole are complementary, and can be inserted in the described fixing hole;
Be arranged on the described buckle main body, be used for fixing the snap ring of described attaching plug.
2. power distributor according to claim 1 is characterized in that, the fixing hole that is arranged in the described rack supply socket is a deep gouge.
3. power distributor according to claim 2 is characterized in that, described buckle main body is a U type structure;
The corresponding position, two ends of described U type side is respectively arranged with a rotating shaft.
4. power distributor according to claim 3 is characterized in that, the side of described rotating shaft and described U type structure is perpendicular.
5. power distributor according to claim 1 is characterized in that, described buckle main body is an arcuate structure;
Corresponding position, the two ends of described arcuate structure is respectively arranged with a rotating shaft.
6. according to claim 4 or 5 described power distributor, it is characterized in that described snap ring is arranged on the base of described U type structure, and be positioned at the middle part on described U type structure base;
The internal diameter of described snap ring is less than the external diameter of the power line that connects on the attaching plug in the described supply socket.
7. power distributor according to claim 6 is characterized in that, described snap ring is the arcuate structure that is provided with opening, and the two ends of loop configuration are connected with described buckle main body respectively.
8. power distributor according to claim 7 is characterized in that, is provided with angle between plane, described snap ring place and the plane, described buckle main body place.
9. power distributor according to claim 8 is characterized in that, plane, described snap ring place and plane, described buckle main body place are perpendicular.
10. power distributor according to claim 9 is characterized in that, is respectively arranged with a plurality of fixing holes on two sides of each socket aperture position in the described rack supply socket;
A plurality of described fixing holes are arranged in a linear, and the bearing of trend of described straight line parallels with the direction that described attaching plug inserts.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320057373 CN203085875U (en) | 2013-01-31 | 2013-01-31 | Power distributor having function of preventing power plug from falling off |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320057373 CN203085875U (en) | 2013-01-31 | 2013-01-31 | Power distributor having function of preventing power plug from falling off |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203085875U true CN203085875U (en) | 2013-07-24 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201320057373 Expired - Lifetime CN203085875U (en) | 2013-01-31 | 2013-01-31 | Power distributor having function of preventing power plug from falling off |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203085875U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112350118A (en) * | 2020-12-10 | 2021-02-09 | 天津七一二通信广播股份有限公司 | Power plug protection frame for early warning device of railway communication equipment and use method |
-
2013
- 2013-01-31 CN CN 201320057373 patent/CN203085875U/en not_active Expired - Lifetime
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112350118A (en) * | 2020-12-10 | 2021-02-09 | 天津七一二通信广播股份有限公司 | Power plug protection frame for early warning device of railway communication equipment and use method |
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| C14 | Grant of patent or utility model | ||
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Granted publication date: 20130724 |