CN205277932U - Electric fan head locking structure and electric fan - Google Patents
Electric fan head locking structure and electric fan Download PDFInfo
- Publication number
- CN205277932U CN205277932U CN201520989924.9U CN201520989924U CN205277932U CN 205277932 U CN205277932 U CN 205277932U CN 201520989924 U CN201520989924 U CN 201520989924U CN 205277932 U CN205277932 U CN 205277932U
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- Prior art keywords
- electric fan
- mounting block
- locking mechanism
- fan head
- tight lock
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- 230000007246 mechanism Effects 0.000 claims description 50
- 238000009434 installation Methods 0.000 claims description 8
- 229910000831 Steel Inorganic materials 0.000 claims description 7
- 239000010959 steel Substances 0.000 claims description 7
- 230000013011 mating Effects 0.000 claims description 3
- 230000009471 action Effects 0.000 abstract description 10
- 125000006850 spacer group Chemical group 0.000 abstract 1
- 238000006073 displacement reaction Methods 0.000 description 3
- 230000004913 activation Effects 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 238000005096 rolling process Methods 0.000 description 2
- 230000003321 amplification Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000000354 decomposition reaction Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000009408 flooring Methods 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 238000003199 nucleic acid amplification method Methods 0.000 description 1
- 238000005728 strengthening Methods 0.000 description 1
- 230000001360 synchronised effect Effects 0.000 description 1
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Abstract
The utility model discloses an electric fan aircraft nose locking structure and electric fan. This electric fan aircraft nose locking structure includes: a support (1); the outer side of the machine head (2) is provided with a locking groove (3); the locking part (4), the locking part (4) includes the fixed part (6), drive part and locking part, the fixed part (6) is fixedly connected to the support (1), the drive part is set on the fixed part (6), the drive part is connected with the locking part in a driving way, the locking part is driven to slide relative to the fixed part (6), and the locking part reaches the locking position clamped in the locking groove (3) and the unlocking position taken out from the locking groove (3); and a spacer (19) which is provided between the fixing member (6) and the sliding engagement surface of the locking portion and which forms an assembly gap between the fixing member (6) and the sliding engagement surface of the locking portion. The utility model discloses an electric fan aircraft nose locking structure can solve aircraft nose locking structure and lock the inconvenient problem of operation when the unblock action.
Description
Technical field
The utility model relates to fan technical field, specifically, it relates to a kind of electric fan head locking mechanism and electric fan.
Background technology
At present, on market, the box fan head major part of flooring is all that each parts are connected by screw by snap close and metal sheeting fixing and locking on support, the operation inconvenience when carrying out the locking and unlocking action.
Practical novel content
Thering is provided a kind of electric fan head locking mechanism and electric fan in the utility model embodiment, to solve in prior art, head locking mechanism frictional force when carrying out the locking and unlocking action is excessive causes unhandy problem.
For achieving the above object, the utility model embodiment provides a kind of electric fan head locking mechanism, comprising: support; Head, the arranged outside of head has locking slot; Locking piece, locking piece comprises mounting block, driving part and tight lock part, mounting block is fixedly connected on support, driving part is arranged on mounting block, driving part drives with tight lock part and is connected, drive tight lock part to slide relative to mounting block, and make the unlocked position that tight lock part arrives the locked position being clamped in locking slot and takes out in locking slot; Interval part, is arranged on being slidably matched between face of mounting block and tight lock part, and make mounting block and tight lock part be slidably matched between face to form fit-up gap.
As preferably, mounting block and tight lock part are provided with spacing groove on the face that is slidably matched one of at least, and interval part is arranged in spacing groove.
As preferably, spacing groove is arranged on mounting block, the corresponding spacing groove of tight lock part is provided with the guide path that the slip direction along tight lock part extends, and interval part part is arranged in spacing groove, is partly arranged in guide path.
As preferably, interval part is steel ball, and multiple steel ball is distributed in the corner of mounting block.
As preferably, the cam that driving part comprises the knob being arranged on mounting block rotationally and is fixedly connected with knob, tight lock part comprises slide block, and slide block comprises the top board matched with cam.
As preferably, knob comprises the card block that multiple circumference is arranged, cam comprises the card groove that multiple corresponding card block is arranged, and card block embeds in card groove.
As preferably, differing in size of multiple card block, the shape of multiple card groove and the mating shapes of card block.
As preferably, mounting block comprises mounting plate, the side towards cam of mounting plate is provided with installation groove, installs channel opening upward, and the top board correspondence of slide block is installed groove and arranged.
As preferably, slide block is bolted on mounting block, slide block being provided with waist-shaped hole, bolt is located in waist-shaped hole.
As preferably, electric fan head locking mechanism also comprises sliding bar, and mounting block is provided with through hole, on top board, corresponding through hole is provided with threaded hole, and the 2nd end of sliding bar is provided with screw thread, and sliding bar is located in through hole, and is fixedly connected with threaded hole.
As preferably, sliding bar comprises polished rod, is arranged with return spring outside polished rod, and one end of return spring is connected to the bottom of mounting block, and the other end is connected in the stop lug of sliding bar first end.
According to another aspect of the present utility model, it provides a kind of electric fan, comprises electric fan head locking mechanism, and this electric fan head locking mechanism is above-mentioned electric fan head locking mechanism.
Application the technical solution of the utility model, electric fan head locking mechanism comprises: support; Head, the arranged outside of head has locking slot; Locking piece, locking piece comprises mounting block, driving part and tight lock part, mounting block is fixedly connected on support, driving part is arranged on mounting block, driving part drives with tight lock part and is connected, drive tight lock part to slide relative to mounting block, and make the unlocked position that tight lock part arrives the locked position being clamped in locking slot and takes out in locking slot; Interval part, is arranged on being slidably matched between face of mounting block and tight lock part, and make mounting block and tight lock part be slidably matched between face to form fit-up gap. This electric fan head locking mechanism, it is possible to by operation driving part, tight lock part is controlled, make tight lock part be in locked position or unlocked position, installation structure is simple, easy to operate, mounting or dismounting are easily, it is possible to realize quick locking and the unlocking operation of electric fan head locking mechanism. Interval part it is provided with between mounting block and tight lock part, this interval part separates between mounting block and tight lock part, avoid directly contacting between mounting block and tight lock part, when tight lock part slides relative to mounting block, only need to overcome the frictional force that interval part brings, therefore can much slower locking piece required activation force when sliding, it is to increase the locking of electric fan head locking mechanism and convenience when unlocking, it is more time saving and energy saving to operate.
Accompanying drawing explanation
Fig. 1 is the decomposition chart of the electric fan head locking mechanism of the utility model embodiment;
Fig. 2 is the part sectioned view of the electric fan head locking mechanism of the utility model embodiment;
Fig. 3 is the amplification assumption diagram at the Q place of Fig. 2;
Fig. 4 is the stereographic map of the cam of the electric fan head locking mechanism of the utility model embodiment;
Fig. 5 is the stereographic map of the knob of the electric fan head locking mechanism of the utility model embodiment;
Fig. 6 is the first stereographic map of the mounting block of the electric fan head locking mechanism of the utility model embodiment;
Fig. 7 is the 2nd stereographic map of the mounting block of the electric fan head locking mechanism of the utility model embodiment;
Fig. 8 is the stereographic map of the slide block of the electric fan head locking mechanism of the utility model embodiment.
Description of reference numerals: 1, support; 2, head; 3, locking slot; 4, locking piece; 5, joint; 6, mounting block; 7, knob; 8, cam; 9, groove is installed; 10, card block; 11, card groove; 12, slide block; 13, top board; 14, waist-shaped hole; 15, bar is slided; 16, through hole; 17, stop lug; 18, return spring; 19, interval part; 20, spacing groove; 21, guide path.
Embodiment
Below in conjunction with the drawings and specific embodiments, the utility model is described in further detail, but not as to restriction of the present utility model.
See shown in Fig. 1 to Fig. 8, according to embodiment of the present utility model, electric fan head locking mechanism comprises: support 1, head 2, locking piece 4 and interval part 19; The arranged outside of head 2 has locking slot 3; Locking piece 4 comprises mounting block 6, driving part and tight lock part, mounting block 6 is fixedly connected on support 1, driving part is arranged on mounting block 6, driving part drives with tight lock part and is connected, drive tight lock part to slide relative to mounting block 6, and make the unlocked position that tight lock part arrives the locked position being clamped in locking slot 3 and takes out in locking slot 3; Interval part 19 is arranged on being slidably matched between face of mounting block 6 and tight lock part, and make mounting block 6 and tight lock part be slidably matched between face to form fit-up gap.
When using this electric fan head locking mechanism, if needing to be locked on support 1 by head 2, so that it may to operate driving part, driving part is made to drive tight lock part action, make tight lock part be in locked position, thus it is locked in locking slot 3, head 2 is securely fixed on support 1. When needs carry out dismounting operation, it is possible to continuation operation driving part, makes driving part drive tight lock part action, and control tight lock part is in the unlocked position, thus is unlocked in locking slot 3 by tight lock part, is convenient to the connection relation released between head 2 and support 1.
Mounting block 6 is fixedly connected on support 1, it is possible to for the installation of driving part and tight lock part provides installation foundation, be more convenient to be arranged by locking piece. Interval part 19 it is provided with between mounting block 6 and tight lock part, this interval part 19 separates between mounting block 6 and tight lock part, avoid directly contacting between mounting block 6 and tight lock part, when tight lock part slides relative to mounting block 6, only need to overcome the frictional force that interval part 19 brings, therefore can much slower locking piece required activation force when sliding, it is to increase the locking of electric fan head locking mechanism and convenience when unlocking, it is more time saving and energy saving to operate.
The structure of this locking mechanism is simple, easy to operate, and mounting or dismounting are easily, it is possible to realize quick locking and the unlocking operation of electric fan head locking mechanism.
Mounting block 6 and tight lock part are provided with spacing groove 20 on the face that is slidably matched one of at least, and interval part 19 is arranged in spacing groove 20. Interval part 19 is fixedly installed on mounting block and tight lock part on one of them by spacing groove 20, and relative to another structure slidably, small area that interval part carries out sliding contact with one of them parts contacts to make between mounting block 6 and tight lock part the big area directly slided contact be converted to, can significantly reduce tight lock part slide relative to mounting block 6 needed for the sliding friction power that overcomes, the difficulty reducing the locking of electric fan head locking mechanism and unlock so that electric fan head locking mechanism is convenient to manipulation more.
Above-mentioned cooperation mode has three kinds, and the first for arrange spacing groove 20 on mounting block 6, and interval part 19 is fixedly installed in spacing groove 20, and stretches out in spacing groove 20, forms sliding contact with tight lock part; 2nd kind for arrange spacing groove 20 on tight lock part, interval part 19 is fixedly installed in spacing groove 20, and stretches out in spacing groove 20, forms sliding contact with mounting block 6; The third arranges spacing groove 20 wherein on one of, and another structure arranges guide path, and interval part 19 is fixedly installed in spacing groove 20, and slides along the guiding of guide path in guide path.
In the present embodiment, spacing groove 20 is arranged on mounting block 6, and the corresponding spacing groove 20 of tight lock part is provided with the guide path 21 that the slip direction along tight lock part extends, and interval part 19 part is arranged in spacing groove 20, is partly arranged in guide path 21. Guide path 21 has sliding space, and therefore interval part 19 has enough sliding distances in guide path 21, relative to the slip of mounting block 6, tight lock part can not be caused obstruction, ensure that the slip of tight lock part relative to mounting block 6. Owing to interval part 19 part is positioned at spacing groove 20, part is positioned at guide path 21, therefore can be limited by the relative position formation of interval part 19 for tight lock part and mounting block 6, ensure the relative position between tight lock part and mounting block 6 further, tight lock part is avoided to offset in sliding process, it is to increase reliability when electric fan head locking mechanism works.
Preferably, interval part 19 is steel ball, and multiple steel ball is distributed in the corner of mounting block, thus makes the stress equalization between tight lock part and mounting block 6, it is possible to keep good relative movement. Steel ball is rolling part, sliding friction between mounting block 6 and tight lock part can be converted to rolling resistance, can much slower tight lock part suffered frictional force when moving, convenience when strengthening the locking of electric fan head locking mechanism further and unlock, it is to increase the manipulation property of electric fan head locking mechanism.
Certainly, interval part 19 can also be rectangular shaped slider or roller etc.
Locking slot 3 has container cavity and opening, wherein openings of sizes is less than container cavity size, form T-shaped chamber, locking piece is arranged in container cavity, owing to openings of sizes is less than container cavity, therefore when locking piece is in locked position, locking piece opens to both sides, the size of locking piece is greater than openings of sizes, and locking piece card enters in the card groove of locking slot 3 both sides, cannot be taken out from opening such that it is able to latch in container cavity. When locking piece is in the unlocked position, locking piece, to middle shrinkage, departs from the card groove of locking slot 3 both sides, and locking piece size is less than openings of sizes, and locking piece can take out from opening.
In the present embodiment, the cam 8 that driving part comprises the knob 7 being arranged on rotationally on mounting block 6 and is fixedly connected with knob 7, tight lock part comprises slide block 12, and slide block 12 comprises the top board 13 matched with cam 8. By operation knob 7, it is possible to band moving cam 8 rotates so that the protruding side of cam 8 by top board 13 jack-up of slide block 12, and then by slide block 12 jack-up, it is achieved the locking action between slide block 12 and locking slot 3. Certainly, it is also possible to realize the unblock action between slide block 12 and locking slot 3 by operation knob 7, or realized the locking between slide block 12 and locking slot 3 and unblock action by knob 7.
Owing to cam 8 easily by top board 13 jack-up, and then by slide block 12 jack-up so that slide block 12 slips into and holds out against on the groove inwall of locking slot 3, thus can make that slide block 12 is spacing to be locked in locking slot 3, complete the locking operation between head 2 and support 1. When needs unlock, cam 8 rotates to make can to continue through manipulation knob 7, now owing to cam 8 is no longer by slide block 12 jack-up, therefore under the action of gravity of slide block 12, slide block 12 skids off from the groove inwall of locking slot 3, no longer block in locking slot 3, complete the unlocking operation between head 2 and support 1.
Knob 7 comprises the card block 10 that multiple circumference is arranged, and cam 8 comprises the card groove 11 that multiple corresponding card block 10 is arranged, and card block 10 embeds in card groove 11. Connect by the card of card block 10 and card groove 11, it is possible to realize the synchronous axial system between knob 7 and cam 8 so that the rotation being controlled cam 8 by operation knob 7 is more reliable, ensures the rotating drive performance of knob 7 with cam 8. In addition, snap fit structure is simple, and mounting or dismounting are convenient, it is not necessary to by work, it is possible to effectively ensure stability and the reliability of the connection structure between knob 7 and cam 8.
Certainly, it is also possible to knob 7 and cam 8 are fixed together by web members such as bolts, or directly weld together.
Preferably, differing in size of multiple card block 10, the shape of multiple card groove 11 and the mating shapes of card block 10, can find accurately on the one hand fast, is convenient to realize installing fast and accurately, also can play effective foolproof function on the other hand.
Mounting block 6 comprises mounting plate, and the side towards cam 8 of mounting plate is provided with installs groove 9, installs groove 9 opening up, and top board 13 correspondence of slide block 12 is installed groove 9 and arranged. Installing groove 9 be that the installation of cam 8 provides space so that cam 8 can rotation in installation groove 9, thus shifting on band movable slider 12, it is achieved unblock between head 2 and support 1 and locking operation. Cam 8 is arranged on and installs in groove 9, the space that can save cam 8 takies, reduce the volume of electric fan head locking mechanism on the whole, make one-piece construction compacter, cam 8 can be avoided in addition directly to contact with slide block 12 and produce rotation friction, reactive force required when reducing manipulation cam 8, it is to increase convenience when cam 8 manipulates so that the locking and unlocking operation of slide block 12 is simple and easy to manipulation more.
Slide block 12 is bolted on mounting block 6, and slide block 12 is provided with waist-shaped hole 14, and bolt is located in waist-shaped hole 14. Slide block 12 is bolted on mounting block 6, it is ensured that the firm property of the connection structure of slide block 12 on mounting block 6. Bolt is located in waist-shaped hole 14 so that slide block 12 can slide relative to the length direction of mounting block 6 along waist-shaped hole 14, it is possible to ensure that slide block 12 carries out displacement relative to mounting block 6, it is achieved locking and unlocking operation.
In order to avoid ball and other structures to interfere, spacing groove 20 and guide path 21 all avoid installing the position at groove 9, waist-shaped hole 14 place.
Electric fan head locking mechanism also comprises sliding bar 15, and mounting block 6 is provided with through hole 16, and on top board 13, corresponding through hole 16 is provided with threaded hole, and the 2nd end of sliding bar 15 is provided with screw thread, and sliding bar 15 is located in through hole 16, and is fixedly connected with threaded hole. Slide block 12 can be played slide-and-guide effect relative to the displacement of mounting block 6 by sliding bar 15, avoids slide block 12, in the process of opposed fixed member 6 displacement, lateral slip occurs, and ensures the accuracy of slide block 12 direction of motion.
Preferably, sliding bar 15 comprises polished rod, is arranged with return spring 18 outside polished rod, and one end of return spring 18 is connected to the bottom of mounting block 6, and the other end is connected in the stop lug 17 of sliding bar 15 first end. Return spring can provide back position reactive force for slide block 12, when needing the locking released between head 2 and support 1, reverse operating knob 7 makes cam 8 backhaul, make the projection of cam 8 no longer by slide block 12 jack-up, now under the elastic acting force of return spring 18, sliding bar 15 moves downward, owing to the 2nd end of sliding bar 15 is fixedly connected with slide block 12 by screw thread, therefore the band movable slider 12 that moves downward of sliding bar 15 moves downward, thus slide block 12 is deviate from the card groove of locking slot 3, it is achieved the unlocking operation between head 2 and support 1.
In the present embodiment, through hole 16 is step hole, the first end of sliding bar 15 is positioned at through hole 16,2nd end of sliding bar 15 is threaded with the threaded hole on slide block 12, return spring 18 is arranged between the step of stop lug 17 and through hole 16, and provide drop-down reactive force to slide block 12, make cam 8 when being in the unlocked position, return spring 18 can by drop-down for slide block 12, slide block 12 is retracted relative to mounting block 6, so that locking piece 4 can conveniently take out in the locking slot 3 of head 2, complete the unblock action to head.
Being fixedly installed joint 5 on support 1, locking piece is connected between joint 5 and head 2. The slide block 12 of locking piece is bolted to connection on mounting block 6, mounting block 6 is bolted to connection on joint 5, cam 8 is pressed between slide block 12 and mounting block 6, and knob 7 is pressed between mounting block 6 and head 2, thus forms reliable and stable connection structure.
According to embodiment of the present utility model, electric fan comprises electric fan head locking mechanism, and this electric fan head locking mechanism is above-mentioned electric fan head locking mechanism.
Certainly, it is more than preferred implementation of the present utility model. It is noted that for those skilled in the art, under the prerequisite not departing from the utility model ultimate principle, it is also possible to make some improvements and modifications, these improvements and modifications are also considered as protection domain of the present utility model.
Claims (12)
1. an electric fan head locking mechanism, it is characterised in that, comprising:
Support (1);
Head (2), the arranged outside of described head (2) has locking slot (3);
Locking piece (4), described locking piece (4) comprises mounting block (6), driving part and tight lock part, described mounting block (6) is fixedly connected on described support (1), described driving part is arranged on described mounting block (6), described driving part drives with described tight lock part and is connected, drive described tight lock part to slide relative to described mounting block (6), and make the unlocked position that described tight lock part arrives the locked position being clamped in described locking slot (3) and takes out in described locking slot (3);
Interval part (19), is arranged on being slidably matched between face of described mounting block (6) and described tight lock part, and make described mounting block (6) and described tight lock part be slidably matched between face to form fit-up gap.
2. electric fan head locking mechanism according to claim 1, it is characterized in that, described mounting block (6) and described tight lock part are provided with spacing groove (20) on the face that is slidably matched one of at least, and described interval part (19) is arranged in described spacing groove (20).
3. electric fan head locking mechanism according to claim 2, it is characterized in that, described spacing groove (20) is arranged on described mounting block (6), the corresponding described spacing groove (20) of described tight lock part is provided with the guide path (21) that the slip direction along described tight lock part extends, described interval part (19) part is arranged in described spacing groove (20), and part is arranged in described guide path (21).
4. electric fan head locking mechanism according to claim 3, it is characterised in that, described interval part (19) is steel ball, and multiple described steel balls are distributed in the corner of described mounting block (6).
5. electric fan head locking mechanism according to claim 1, it is characterized in that, the cam (8) that described driving part comprises the knob (7) being arranged on rotationally on described mounting block (6) and is fixedly connected with described knob (7), described tight lock part comprises slide block (12), and described slide block (12) comprises the top board (13) matched with described cam (8).
6. electric fan head locking mechanism according to claim 5, it is characterized in that, described knob (7) comprises the card block (10) that multiple circumference is arranged, described cam (8) comprises the card groove (11) that the described card block (10) of multiple correspondence is arranged, and described card block (10) embeds in described card groove (11).
7. electric fan head locking mechanism according to claim 6, it is characterised in that, differing in size of multiple described card block (10), multiple shape of described card groove (11) and the mating shapes of described card block (10).
8. electric fan head locking mechanism according to claim 5, it is characterized in that, described mounting block (6) comprises mounting plate, the side towards described cam (8) of described mounting plate is provided with installs groove (9), described installation groove (9) is opening up, and the corresponding described installation groove (9) of the top board (13) of described slide block (12) is arranged.
9. electric fan head locking mechanism according to claim 5, it is characterized in that, described slide block (12) is bolted on described mounting block (6), being provided with waist-shaped hole (14) on described slide block (12), described bolt is located in described waist-shaped hole (14).
10. electric fan head locking mechanism according to claim 5, it is characterized in that, described electric fan head locking mechanism also comprises sliding bar (15), described mounting block (6) is provided with through hole (16), the upper corresponding described through hole (16) of described top board (13) is provided with threaded hole, 2nd end of described sliding bar (15) is provided with screw thread, described sliding bar (15) is located in described through hole (16), and is fixedly connected with described threaded hole.
11. electric fan head locking mechanisms according to claim 10, it is characterized in that, described sliding bar (15) comprises polished rod, return spring (18) it is arranged with outside described polished rod, one end of described return spring (18) is connected to the bottom of described mounting block (6), and the other end is connected in the stop lug (17) of described sliding bar (15) first end.
12. 1 kinds of electric fans, comprise electric fan head locking mechanism, it is characterised in that, described electric fan head locking mechanism is the electric fan head locking mechanism according to any one of claim 1 to 11.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520989924.9U CN205277932U (en) | 2015-12-02 | 2015-12-02 | Electric fan head locking structure and electric fan |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520989924.9U CN205277932U (en) | 2015-12-02 | 2015-12-02 | Electric fan head locking structure and electric fan |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205277932U true CN205277932U (en) | 2016-06-01 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520989924.9U Withdrawn - After Issue CN205277932U (en) | 2015-12-02 | 2015-12-02 | Electric fan head locking structure and electric fan |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205277932U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105443446A (en) * | 2015-12-02 | 2016-03-30 | 珠海格力电器股份有限公司 | Electric fan head locking structure and electric fan |
-
2015
- 2015-12-02 CN CN201520989924.9U patent/CN205277932U/en not_active Withdrawn - After Issue
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105443446A (en) * | 2015-12-02 | 2016-03-30 | 珠海格力电器股份有限公司 | Electric fan head locking structure and electric fan |
| CN105443446B (en) * | 2015-12-02 | 2018-04-13 | 珠海格力电器股份有限公司 | Electric fan head locking structure and electric fan |
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| Date | Code | Title | Description |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20160601 Effective date of abandoning: 20180413 |