CN202985524U - Accessory clamping mechanism and power tool comprising same - Google Patents
Accessory clamping mechanism and power tool comprising same Download PDFInfo
- Publication number
- CN202985524U CN202985524U CN 201220624912 CN201220624912U CN202985524U CN 202985524 U CN202985524 U CN 202985524U CN 201220624912 CN201220624912 CN 201220624912 CN 201220624912 U CN201220624912 U CN 201220624912U CN 202985524 U CN202985524 U CN 202985524U
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- annex
- flange
- clamp
- elastic component
- thrust
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Abstract
The utility model provides an accessory clamping mechanism and a power tool comprising the same. The accessory clamping mechanism is used for clamping an accessory with a closed handle on a working mandrel which is provided with a mandrel flange. The accessory clamping mechanism includes a fastening flange, a driving device, a thrust element and a first elastic piece. The driving device is used for enabling the fastening flange to move between a release position and a clamping position, wherein the accessory can be taken out from the position between the mandrel flange and the fastening flange in the release position, and the accessory is clamped between the mandrel flange and the fastening flange in the clamping position. The thrust element is connected with the fastening flange which is partially pressed towards the clamping position through the first elastic piece. The accessory clamping mechanism is characterized in that the accessory is inserted between the mandrel flange and the fastening flange from the lateral surface of the working mandrel in the release position. On the one hand, the accessory clamping mechanism does not require a separate clamping shaft to be clamped and released along with the accessory so that the hidden danger that a user is inclined to lose the clamping shaft is eliminated and the costs are saved, on the other hand, the accessory with the closed handle can also be clamped so that the universality of the accessory clamping mechanism is improved. The utility model further provides the power tool comprising the accessory clamping mechanism.
Description
Technical field
The utility model relates to a kind of clamp mechanism, especially a kind of clamp mechanism for annex being fixed to releasedly on work arbor; The utility model also relates to a kind of power tool with this clamp mechanism, and is especially a kind of with annex being fixed to releasedly the power tool of the clamp mechanism on work arbor.
Background technology
various power tools with the annex clamp mechanism are arranged in the market, a kind of power tool with the annex clamp mechanism wherein, comprise: drive the work arbor of annex, annex is fixed between the retaining part and tightening member in the face of the end of instrument of work arbor, the mechanism that tightening member is moved the off-position that removes tightening member from work arbor and tightening member prop up clamped position by retaining part by spring element between, tightening member comprises the clamp shaft that can be inserted in work arbor, clamp shaft remains in clamped position by the latch assembly in work arbor, and can be removed in the off-position, latch assembly has the collar, clamping component can remain in the recess of the collar and against the collar with moving radially, clamping component has the inclined surface that coordinates with inclined surface on the collar on a side of instrument, make the collar cause the shock on clamping component towards the center against the athletic meeting of the inclined surface of clamping component, to be work arbor do oscillating motion around self axis to the operation principle of this power tool, it further comprises casing, be arranged on the motor in casing, by motor-driven main shaft, main shaft has the eccentric part of a rotation and the setting of offset rotation axis, one shift fork is connected on the working cell by main shaft drives and manipulation, one end pivoting of shift fork is connected on work arbor, the other end is formed with the fork of a pair of branch and is stuck on eccentric part on main shaft, work arbor is vertical substantially with the main shaft rotation, thereby main shaft converts shift fork to around the rotation of rotation and moves along the pivot of work arbor and make work arbor move and drive annex work.And as the user after different annexes is installed on work arbor, can realize multiple different operating function.Common annex comprises straight blade, saw blade, triangle frosted dish, scraper etc., can realize as work requirements such as sawing, cut, grind, scrape.
Yet, the annex clamp mechanism of above-mentioned power tool, in dispose procedure, the user must together remove clamp shaft and annex, same, in clamping process, the user also must together be clamped in clamp shaft and annex on work arbor, this method of clamping has brought operational inconvenience, in case the user has lost clamp shaft accidentally in addition, the annex clamp mechanism can't be carried out work, power tool with this annex clamp mechanism also can't be worked, also have this annex to clamp mechanism structure complicated, required part is more, and cost is comparatively expensive.
In addition, also have a kind of power tool with this annex clamp mechanism, it comprises the tool body that motor is housed; The clamp assembly that comprises the first clamping component, it moves between closing position and release position with respect to annex, keep annex at the closing position clamp assembly, depart from allowing annex to remove from clamp assembly at the first clamping component of release position clamp assembly and annex, the first clamping component keeps connecting with clamp assembly simultaneously; Has the actuator that operating parts divides, this actuator is attached to tool body movingly between primary importance and the second place, be in the close position at the primary importance clamp assembly, the motion that divides at the operating parts of second place actuator causes clamp assembly to move to the release position.
Yet, when using this annex clamp mechanism to carry out the clamping annex, the shank of its annex must pass from work arbor, therefore the shank of its annex is provided with opening, thereby realize the annex of shank opening is carried out clamping or release, its annex that shank is remained silent can't carry out clamping or release, has reduced the versatility of this annex clamp mechanism.
The utility model content
In order to solve the defective that exists in above-mentioned prior art, be necessary to provide a kind of simple in structure, need not additional lock mandrel and the high annex clamp mechanism of annex versatility and with the power tool of this annex clamp mechanism.
The utility model provides a kind of annex clamp mechanism, and the accessory clamp that is used for shank is remained silent is held in work arbor, and this work arbor has an axle flange, and this annex clamp mechanism comprises: clamp flange; For the drive unit that this clamp flange is moved between off-position and clamped position, in this off-position, this annex can take out between this axle flange and this clamp flange, and in this clamped position, this accessory clamp is held between axle flange and clamp flange; The thrust component that is connected with this clamp flange; The first elastic component, this clamp flange are by this first elastic component and by towards this clamped position bias voltage, it is characterized in that: in this off-position, this annex is inserted between axle flange and clamp flange from the side of work arbor.This technical scheme does not need the together clamped and release of independent clamp shaft and annex on the one hand, thereby has eliminated the hidden danger that the user easily loses clamp shaft, has saved cost yet; Can also carry out clamping to the annex that shank is remained silent on the other hand, improve the versatility of this annex clamp mechanism.
Further, in this off-position, this annex is inserted between axle flange and clamp flange from the direction perpendicular to the work arbor axis.
Further, this drive unit comprises operating assembly and thrust piece, this operating assembly comprises operating parts, this operating parts moves between primary importance and the second place, in primary importance, this thrust piece and this thrust component break away from, and this clamp flange is positioned at clamped position, in the second place, this thrust piece drives this clamp flange to the off-position.The user can directly operate the annex clamp mechanism by operating parts, and does not need extra instrument.
Further, this thrust component is positioned at a side of this work arbor, makes structure compacter.
Further, this annex clamp mechanism comprises housing, this drive unit comprises operating assembly and reset assembly, this operating assembly comprises operating parts, and this operating parts has bonding station, in this bonding station, operating parts contacts with this surface of shell, this reset assembly automatically resets to bonding station with this operating parts, thereby makes operating parts be positioned in clamped position and can flush with the holding area of housing at clamp flange, makes the user that broader holding area can be arranged.
Further, this reset assembly comprises thrust piece, this thrust piece has pushing position and reset position, push in the position at this, this thrust piece contacts with transfer function power to thrust component with this thrust component, in this reset position, thereby this thrust piece and the disengaging of this thrust component make operating parts automatically reset to bonding station.
It automatically resets and realizes by the following technical solutions, operating mechanism further comprises the second elastic component, the two ends of this second elastic component are arranged on respectively on housing and operating parts, this reset assembly further comprises pressing piece, the 3rd elastic component and the 4th elastic component, the two ends of the 3rd elastic component act on respectively on housing and thrust piece, the two ends of the 4th elastic component are arranged on respectively on pressing piece and operating parts, the active force of this second elastic component is greater than the active force of the 3rd elastic component, and the active force of the 3rd elastic component is greater than the active force of the 4th elastic component.
For the ease of user's operation, this operating assembly may further include pivot, and this operating parts is around the pivot pivotable, and thrust piece is arranged between operating parts and pivot, and this operating parts is arranged to the lever form, can be laborsaving.
Further, thrust piece and operating parts are arranged on the homonymy of work arbor, can be so that structure be compacter.
In addition, tangible closing component structure is set on the axle flange, is provided with corresponding shape closing component structure on annex, this axle flange connects in locking manner with this annex shape, so that can be without relatively rotating the ground transmitting torque between annex and axle flange.
More accurately annex shape closing component structure is navigated on the shape closing component structure of axle flange for the ease of the user, clamp flange is provided with to see clearly the opening of the mutual correspondence position of the shape closing component structure of axle flange and the corresponding shape closing component structure in annex.
The utility model also provides a kind of power tool with annex clamp mechanism as above, and this power tool comprises: be contained in the motor in housing, this motor has driving shaft; The power source of power is provided to motor; Convert rotatablely moving of this motor drive shaft to work arbor around the transmission mechanism of himself axis oscillating motion.Use this annex clamp mechanism on swing-type power tool, make annex be held ground more firm, it is more convenient to operate.
Further, transmission mechanism comprises eccentric part and connector, and this eccentric part is arranged on driving shaft, one end of this connector is connected with this eccentric part, the other end is connected with work arbor, and thrust component makes the structure of this power tool compacter between work arbor and eccentric part.
Description of drawings
Fig. 1 is with the stereogram of the power tool of annex clamp mechanism in the utility model the first embodiment;
Fig. 2 is the stereogram that removes the annex clamp mechanism after housing in Fig. 1;
Fig. 3 is the upward view of the annex clamp mechanism in Fig. 2.
Fig. 4 is the partial sectional view that the operating parts of the annex clamp mechanism in Fig. 1 is positioned at bonding station;
Fig. 5 is the partial sectional view that the operating parts of the annex clamp mechanism in Fig. 1 is positioned at primary importance;
Fig. 6 is the partial sectional view that the operating parts of the annex clamp mechanism in Fig. 1 is positioned at the second place;
Fig. 7 is the cutaway view that removes the annex clamp mechanism after housing in Fig. 4;
Fig. 8 is the cutaway view that removes the annex clamp mechanism after housing in Fig. 5;
Fig. 9 is the cutaway view that removes the annex clamp mechanism after housing in Fig. 6;
Figure 10 is with the partial sectional view after the removal housing of the power tool of annex clamp mechanism in the utility model the second embodiment.
The specific embodiment
As shown in Fig. 1-4, a kind of power tool 1 with the annex clamp mechanism is disclosed in the first embodiment of the present utility model, describe as an example of swing-type power tool example in the present embodiment.Power tool 1 comprises housing 2, the power source 3 that is connected with housing 2, is contained in motor 4 and driving shaft 5, transmission mechanism 6, work arbor 7 and annex clamp mechanism 10 in housing 2.
Please with further reference to Fig. 4-9, annex clamp mechanism 10 comprises driver part (figure is mark not), thrust component 13, clamp flange 14 and the first elastic component 15.Thrust component 13 is arranged on a side that is positioned at work arbor 7, further, thrust component 13 is arranged between eccentric part 61 and work arbor 7, thrust component 13 has a longitudinal axis Z that is parallel to the axis Y of work arbor, also be provided with on transmission mechanism 6 to support and the support portion 63 of the thrust component 13 that leads, thrust component 13 is fixedly connected with clamp flange 14, and both also can be arranged to one.The thickness of clamp flange 14 is less than or equal to the vertical height of the step 91 of annex 9, so that annex 9 carries out operation at the small space place.be provided with the support portion (figure is mark not) of being convenient to thrust component 13 and passing and support thrust component 13 on axle flange 71, axle flange 71 has in the expansion section of thrust component 13 1 sides (figure is mark not), this expansion section, clamp flange 14 and thrust component 13 have formed the balancing weight of center of gravity in work arbor 7 one sides, the center of gravity of annex 9 is positioned at the opposite side of work arbor 7, in swing process, the expansion section of axle flange, clamp flange 14 and thrust component 13 are done and the rightabout swing of annex 9, just can offset the vibration that is produced by annex 9, thrust component 13 can be delivered to the user on clamp flange 14 to the power that applies on drive unit.When remaining silent, annex 9 need not to pass thrust component 13 and can be clamped between axle flange 71 and clamp flange 14 when the shank 90 of annex 9.Drive unit can drive clamp flange 14 and move between off-position and clamped position, and in the off-position, annex 9 can be from taking out between axle flange 71 and clamp flange 14; In clamped position, annex 9 is clamped between axle flange 71 and clamp flange 14; The first elastic component 15, preferably can be set to stage clip, the one end is arranged on axle flange 71, the other end be arranged on thrust component 13 on the boss 130 that radially extends, boss 130 can be an independent circular gasket, also can be the step that radially extend integrally formed with thrust component 13, be understandable that, the first elastic component 15 also can be set to other member well known to those skilled in the art, as elastic caoutchouc, leaf spring etc., clamp flange 14 is by this first elastic component 15 and by towards the clamped position bias voltage.The user is delivered to clamp flange 14 to the power that applies on drive unit, and the active force that clamp flange 14 overcomes the first elastic component 15 moves to the off-position, thereby can be with annex 9 from taking out between clamp flange 14 and axle flange 71.
Figure 10 shows the second embodiment of annex clamping device 10 ', different from the first embodiment is, clamp flange 14 ' and thrust component 13 ' are separated with axle flange 71 ', make thrust component 13 ' and clamp flange 14 ' together not to swing with work arbor 7 '.specifically, axle flange 71 ' does not arrange the expansion section, this axle flange 71 ' is symmetrical arranged along its rotation Y ', thrust component 13 ' is supported and is led by the first support portion 131 ' and the second support portion 132 ' that are arranged on housing, one end of elastic component 15 ' is arranged on the boss 130 ' of thrust component 13 ', the other end is arranged on the second support portion 132 ', be provided with plane bearing 141 ' on clamp flange 14 ', the needle roller of plane bearing 141 ' can roll in the annex swing process, but the end plate of plane bearing 141 ' and clamp flange 14 ' together do not swing with annex and work arbor 7 ', like this friction that can reduce between clamp flange 7 ' and annex is set.
The below will describe in detail the driver part structure of the annex clamp mechanism 10 in the first embodiment.
Please again consult Fig. 4-Fig. 9, driver part comprises operating assembly 11 and reset assembly 12.Operating assembly 11 comprises pivot 110, the second elastic component 111 and operating parts 112.pivot 110 is arranged on housing 2, this second elastic component 111 preferably can be set to torsion spring, this torsion spring is arranged on pivot 110, one end is arranged on housing 2, the other end is arranged on operating parts 112, operating portion 112 by the second elastic component 111 by towards the direction bias voltage near housing 2, be understandable that, the second elastic component 111 also can be set to other other members well known to those skilled in the art, as elastic caoutchouc, leaf spring etc., this operating parts 112 preferably is set to the spanner around pivot 110 pivotables, the axis of this pivot 110 is perpendicular to the axis Y of work arbor 7, well known to those skilled in the art, operating parts 112 also can be arranged to the structure that push button or button etc. are convenient to user's operation.Reset assembly 12 comprises pivot 120, thrust piece 121, pressing piece 122, the 3rd elastic component 123 and the 4th elastic component 124.pivot 120 is arranged on operating parts 112, thrust piece 121 and pressing piece 122 are separately positioned on the both sides of pivot 120, thrust piece 121 is arranged between operating parts 112 and pivot 110, thrust piece 121 and operating parts 112 are positioned at the homonymy of work arbor 7, one end of the 3rd elastic component 123 is arranged on housing 2, the other end can act on thrust piece 121, the 3rd elastic component 123 preferably can be set to stage clip, thrust piece 121 by the 3rd elastic component 123 by towards the direction bias voltage that breaks away from thrust component 13, be understandable that, the 3rd elastic component 123 also can be set to other member well known to those skilled in the art, as elastic caoutchouc, leaf spring etc., the 4th elastic component 124 is arranged on pivot 120, its two ends are separately positioned on operating mechanism 11 and pressing piece 122, the 4th elastic component 124 preferably is set to torsion spring, thrust piece 121 by the 4th elastic component 124 by towards the direction bias voltage that engages with thrust component 13, be understandable that, the 4th elastic component 124 also can be set to other other members well known to those skilled in the art, as elastic caoutchouc, leaf spring etc.Drive unit also can include only operating assembly 11 and thrust piece 121, and other member in cancellation reset assembly 12, such setting, operating assembly 11 comprises operating parts 112, and operating parts 112 moves between primary importance and the second place, in primary importance, thrust piece 121 breaks away from thrust component 13, clamp flange 14 is positioned at clamped position, and in the second place, thrust piece 121 drives clamp flange 14 to the off-position.
The below will describe in detail the operating process of the annex clamp mechanism 10 in the first embodiment.
Thrust piece 121 in reset assembly 12 has pushing position and reset position, pushing in the position, thrust piece 121 contacts to transmit active force that the user is applied to operating parts 112 to thrust component 13 with thrust component 13, in reset position, thereby thrust piece 121 makes operating parts 112 automatically reset to bonding station with thrust component 13 disengagings.
from Fig. 4 and the direction of arrow shown in Figure 7, operating parts 112 is moved to as shown in Figure 5 and Figure 8 primary importance from bonding station, the thrust piece 121 in reset assembly 12 is biased into the pushing position under the effect of the 4th elastic component 124, from Fig. 4 and the direction of arrow shown in Figure 7, operating parts 112 is moved to as Fig. 6 and the second place shown in Figure 9 from primary importance again, thrust piece 121 is applied to force transmission on operating parts 112 to thrust component 13 with the user, and overcome the active force of the first elastic component 15, thrust component 13 and clamp flange 14 are moved down, clamp flange 14 breaks away from and reserves enough gaps from the surface of annex 9 and makes annex 9 to take out being removed as shown in the direction of arrow between clamp flange 14 and axle flange 71 as Fig. 6 and Fig. 9, after person to be used puts into the direction of arrow and again annex 9 is put between clamp flange 14 and axle flange 71 by Fig. 6 and Fig. 9, unclamp operation part 112, thrust component 13 and clamp flange 14 are under the effect of the first elastic component 15, return to clamped position, this moment, user's operating position was positioned at Fig. 4 and primary importance shown in Figure 7, the user operates the pressing piece 122 in reset assembly 12, with thrust piece 121 from the pushing position movement to reset position, thereby make operating parts automatically reset to bonding station, in order to ensure effectively carrying out of this process, need such setting, the active force of the second elastic component 111 is greater than the active force of the 3rd elastic component 123, the active force of the 3rd elastic component 123 is greater than the active force of the 4th elastic component 124.When thrust piece 121 from the pushing position movement to reset position, the active force of cause the 3rd elastic component is greater than the active force of the 4th elastic component 124, thrust piece 121 can't automatically restore to biased position, but be biased into reset position by such active force, in case thrust piece 121 breaks away from thrust component 13, the active force of cause the second elastic component 111 makes operating parts 112 be arrived bonding station by autobias greater than the active force of the 3rd elastic component 123.Be understandable that Fig. 6 and shown in Figure 9 to put into and take out the direction of arrow be side surface direction from work arbor 7 preferably, can be set to the direction vertical with the rotation Y of work arbor 7.
Also show in Fig. 3 and Fig. 4 and be provided with opening 140 on clamp flange 14, the user is in the operating process of clamping annex 9, can see accurately the shape closing component structure 710 of axle flange 71 and the mutual correspondence position of the corresponding shape closing component structure 93 in annex 9 clearly, be convenient to the user and rapidly and accurately annex 9 is clamped between clamp flange 14 and axle flange 71.
Be understandable that, annex clamp mechanism 10 not only can be used on swing-type power tool, also can use on the power tools such as hand-operated tools and angle mill, electric circular saw.When annex clamp mechanism 10 was used for hand-operated tools, annex clamp mechanism 10 can comprise housing 2; Be used for driving the work arbor 7 of annex 9, accessory clamp is held between axle flange 71 and clamp flange 14; For the drive unit that clamp flange 14 is moved between off-position and clamped position, in the off-position, annex can be from taking out between axle flange 71 and clamp flange 14, in clamped position, annex 9 is clamped between axle flange 71 and clamp flange 14, the thrust component 13 that is connected with clamp flange; Clamp flange 14 is by the first elastic component 15 and by towards the clamped position bias voltage.Such annex clamp mechanism 10 namely can be used in hand-operated tools.Well known to those skilled in the art, as long as the transmission mechanism in swing-type power tool is replaced to the transmission mechanism that other power tool needs, annex is processed workpiece under the effect of corresponding transmission mechanism, this annex clamp mechanism can be used for other power tool.
The annex clamp mechanism that the utility model discloses reaches the structure that is not limited to the content described in above embodiment and accompanying drawing representative with the power tool of this annex clamp mechanism.On basis of the present utility model to the shape of member wherein and apparent change that the position is done, substitute or revise, all within the claimed scope of the utility model.
Claims (10)
1. an annex clamp mechanism, be held in work arbor for the accessory clamp that shank is remained silent, and described work arbor has an axle flange, and this annex clamp mechanism comprises: clamp flange; For the drive unit that described clamp flange is moved between off-position and clamped position, in described off-position, described annex can take out between described axle flange and described clamp flange, and in described clamped position, described accessory clamp is held between axle flange and clamp flange; The thrust component that is connected with described clamp flange; The first elastic component, described clamp flange are by described the first elastic component and by towards described clamped position bias voltage, it is characterized in that: in described off-position, described annex is inserted between axle flange and clamp flange from the side of work arbor.
2. annex clamp mechanism according to claim 1, it is characterized in that: described drive unit comprises operating assembly and thrust piece, described operating assembly comprises operating parts, described operating parts moves between primary importance and the second place, in primary importance, described thrust piece and described thrust component break away from, and described clamp flange is positioned at clamped position, in the second place, described thrust piece drives described clamp flange to the off-position.
3. annex clamp mechanism according to claim 1, it is characterized in that: described thrust component is positioned at a side of described work arbor.
4. annex clamp mechanism according to claim 1, it is characterized in that: described annex clamp mechanism comprises housing, described drive unit comprises operating assembly and reset assembly, described operating assembly comprises operating parts, described operating parts has bonding station, in described bonding station, operating parts contacts with described surface of shell, and described reset assembly automatically resets to bonding station with described operating parts.
5. annex clamp mechanism according to claim 4, it is characterized in that: described reset assembly comprises thrust piece, described thrust piece has pushing position and reset position, in described pushing position, described thrust piece contacts with transfer function power to thrust component with described thrust component, in described reset position, thereby described thrust piece and the disengaging of described thrust component make operating parts automatically reset to bonding station.
6. annex clamp mechanism according to claim 5, it is characterized in that: described operating mechanism comprises the second elastic component, the two ends of described the second elastic component are arranged on respectively on housing and described operating parts, described reset assembly comprises pressing piece, the 3rd elastic component and the 4th elastic component, the two ends of described the 3rd elastic component act on respectively on described housing and described thrust piece, the two ends of described the 4th elastic component are arranged on respectively on described pressing piece and described operating parts, the active force of described the second elastic component is greater than the active force of the 3rd elastic component, the active force of described the 3rd elastic component is greater than the active force of described the 4th elastic component.
7. annex clamp mechanism according to claim 2, it is characterized in that: described operating assembly comprises pivot, and described operating parts is around described pivot pivotable, and described thrust piece is arranged between described operating parts and pivot.
8. annex clamp mechanism according to claim 2, it is characterized in that: described thrust piece and described operating parts are positioned at the homonymy of described work arbor.
9. a band just like the power tool of the described annex clamp mechanism of claim 1-8 any one, comprising: be contained in the motor in housing, described motor has driving shaft; The power source of power is provided to motor; Convert rotatablely moving of described motor drive shaft to work arbor around the transmission mechanism of himself axis oscillating motion.
10. power tool according to claim 9, it is characterized in that: described transmission mechanism comprises eccentric part and connector, described eccentric part is arranged on described driving shaft, one end of described connector is connected with described eccentric part, the other end is connected with described work arbor, and described thrust component is between described work arbor and described eccentric part.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220624912 CN202985524U (en) | 2012-11-23 | 2012-11-23 | Accessory clamping mechanism and power tool comprising same |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220624912 CN202985524U (en) | 2012-11-23 | 2012-11-23 | Accessory clamping mechanism and power tool comprising same |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202985524U true CN202985524U (en) | 2013-06-12 |
Family
ID=48556742
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220624912 Expired - Fee Related CN202985524U (en) | 2012-11-23 | 2012-11-23 | Accessory clamping mechanism and power tool comprising same |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202985524U (en) |
-
2012
- 2012-11-23 CN CN 201220624912 patent/CN202985524U/en not_active Expired - Fee Related
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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: 20130612 Termination date: 20191123 |
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| CF01 | Termination of patent right due to non-payment of annual fee |