CN2804352Y - Range controller of electric shutter - Google Patents
Range controller of electric shutter Download PDFInfo
- Publication number
- CN2804352Y CN2804352Y CN 200520102091 CN200520102091U CN2804352Y CN 2804352 Y CN2804352 Y CN 2804352Y CN 200520102091 CN200520102091 CN 200520102091 CN 200520102091 U CN200520102091 U CN 200520102091U CN 2804352 Y CN2804352 Y CN 2804352Y
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- bull stick
- body mounting
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- Expired - Fee Related
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Abstract
The utility model relates to a control device, particularly a range controlling device for an electric roller shutter and the range controlling device for an electric roller shutter makes a roller shutter lift or lower to a an appointed position. The utility model is composed of a left short column pipe arranged on a body seat frame, inching switches A, B, a right support, range push rod components A, B, threaded rods A, B, nuts A, B, and supporting connection rods C, D, wherein the threaded rod A and the threaded rod B have opposite screw directions and are arranged on the right support and the left short column pipe. The threaded rod A is provided with the nut A, and the threaded rod B is provided with the nut B; the right end of the threaded rod A is provided with the range push rod component A, and the right end of the threaded rod B is provided with the range push rod component B; the inching switches A, B are arranged on the side surface of the right support. The utility model is characterized in that the utility model is also provided with guide columns A, B, a left bracket, auxiliary switches A, B, a big gear ring, pinion components A, B, and control rotary rods A, B; the utility model can conveniently adjust the range length of an electric roller shutter, and can adjust the range of the electric roller shutter according to the required set starting point and end point; in addition, the structure is not complex and the assembly and the maintenance are convenient.
Description
Technical field
The utility model relates to control device, specifically is to make the roller shutter rising or drop to appointed positions, the travel control device of the electric rolling that is adopted.
Background technology
Roller shutter generally is to drive the power transmission shaft rotation by motor by transmission mechanism, makes roller shutter open or close, or reaches certain position and stop automatically.Existing roller shutter also has travel control device on the market, but its complex structure, during use the stroke setting not easy to operate, just can normally use after need asking the professional to set in advance stroke by the user.If it is not in place in use to run into roller shutter, just essential professional's maintenance and debugging, the both time-consuming also effort of asking.Existing roller shutter travel control device is controlled by two microswitches; These two microswitches are contained in the long tube of roller shutter, are sightless, can only rely on people's experience adjustments stroke, adjust very difficult.
The utility model content
The utility model purpose is to overcome existing roller blind device complex structure, the stroke setting is not easy to operate during use, adjust the defective of difficulty, provide a kind of easy to installation and maintenance, structure is uncomplicated, can conveniently set roller shutter initial point and terminal point, and the travel control device of the electric rolling that can adjust repeatedly as required.
The utility model purpose is such realization: it is by the left short column pipe that is contained in the main body mounting, microswitch A, microswitch B, right supporting, stroke putter component A, stroke putter component B, screw rod A, screw rod B, nut A, nut B, support link C, support link D forms, support link C, support link D and left short column pipe, right supporting is fixedly connected respectively, screw rod A, screw rod B is that two hands of spiral are opposite, and place on right supporting and the left short column pipe, nut A is arranged on the screw rod A, nut B is arranged on the screw rod B, right-hand member at screw rod A has stroke putter component A, right-hand member at screw rod B has stroke putter component B, microswitch A, microswitch B is contained in the side of right supporting, it is characterized in that guide pillar A in addition, post is led B, left socle, auxiliary switch A, auxiliary switch B, bull gear, pinion member A, pinion member B, control bull stick A, control bull stick B, control bull stick A, control bull stick B is contained on the main body mounting, auxiliary switch A, auxiliary switch B is fixed on left socle, left socle is fixedlyed connected with the main body mounting, guide pillar A, guide pillar B places on right supporting and the left short column pipe, nut A, the termination of nut B is slidingly connected with guide pillar A and guide pillar B respectively, bull gear one end is contained in left short column pipe one side, and become to roll and cooperate, pinion member A, pinion member B respectively with screw rod A, screw rod B connects, again with control bull stick A, control bull stick B connects, control bull stick A, control bull stick B can control auxiliary switch A respectively, auxiliary switch B.Described stroke putter component A is made of push rod A, spring A, contact A, and push rod A one end and is with spring A on screw rod A, and the other end is in the hole of right side supporting, and contact A is over against microswitch A; Described stroke putter component B is made of push rod B, spring B, contact B, and push rod B one end and is with spring B on screw rod B, and the other end is in the hole of right side supporting, and contact B is over against microswitch B.Described pinion member A is made of pinion A, allocating slot A, sliding sleeve A, cylinder A, and pinion A, allocating slot A, cylinder A are arranged on the sliding sleeve A, and is slidingly matched with the end outside cylinder of screw rod A, and the axis hole A of the outside cylinder of sliding sleeve A and left short column pipe is slidingly matched.Described pinion member B is made of pinion B, allocating slot B, sliding sleeve B, cylinder B, and pinion B, allocating slot B, cylinder B are arranged on the sliding sleeve B, and is slidingly matched with the end outside cylinder of screw rod B, and the axis hole B of the outside cylinder of sliding sleeve B and left short column pipe is slidingly matched.Described control bull stick A be one by revolve an A, biasing post A, side plane A, cylinder A, fluted column groove A, plush copper A constitute, cylinder A is on the main body mounting, and become to be rotatably assorted, have at cylinder A one end and to revolve an A, side plane A is axially arranged, fluted column groove A is arranged on cylinder A at it, end at cylinder A has plush copper A, below revolving an A biasing post A is arranged, the half-cylindrical pit A coupling with on the main body mounting makes cylinder A can only do 180 ° of rotations; Locating part A on the main body mounting places on the fluted column groove A; Described control bull stick B be one by revolve a B, biasing post B, side plane B, cylinder B, fluted column groove B, plush copper B constitute, cylinder B is on the main body mounting, and become to be rotatably assorted, have at cylinder B one end and to revolve a B, side plane B is axially arranged, fluted column groove B is arranged on cylinder B at it, end at cylinder B has plush copper B, below revolving a B biasing post B is arranged, the half-cylindrical pit B coupling with on the main body mounting makes cylinder B can only do 180 ° of rotations; Locating part B on the main body mounting places on the fluted column groove B.
The beneficial effects of the utility model are conveniently to adjust the haul distance of electric rolling, and the initial point that can set on request and terminal point are adjusted its stroke, and structure is uncomplicated, assembling and easy to maintenance.
Description of drawings
Fig. 1 is a perspective view of the present utility model.
Fig. 2 is the perspective view after the utility model part component separate.
Fig. 3 is the perspective view after 90 ° of the parts deflections in left short column pipe and the right supporting among Fig. 2.
Fig. 4 is the perspective view that two groups of pinion member A, B separate with screw rod A, B respectively.
Fig. 5 is control bull stick A, B and pinion member A, B, and the mutual position of auxiliary switch A, B concerns perspective view.
Fig. 6 separates control bull stick A, B from the main body mounting, the perspective view during no cover plate.
Fig. 7 is the bull gear perspective view.
Fig. 8 is auxiliary switch A, B when dispatching from the factory, the circuit connection diagram of microswitch A, B.
Fig. 9 is to use the circuit connection diagram of auxiliary switch A, B under the state, microswitch A, B.
1 is left socle among the figure, the 2nd, and auxiliary switch A, the 3rd, auxiliary switch B, the 4th, main body mounting, the 5th, support link C, the 6th, guide pillar A, the 7th, screw rod A, the 8th, nut A, the 9th, stroke putter component A, the 10th, right supporting, the 11st, microswitch A, the 12nd, microswitch B, the 13rd, stroke putter component B, the 14th, guide pillar B, the 15th, nut B, the 16th, screw rod B, the 17th, support link D, the 18th, left short column pipe, the 19th, pinion member B, the 20th, pinion member A, the 21st, bull gear, the 22nd, control bull stick B, the 23rd, control bull stick A, the 24th, long tube, the 25th, roller shutter pipe, the 41st, pedestal, the 42nd, semicolumn pit A, the 43rd, semicolumn pit B, the 44th, cover plate, the 45th, screw, the 46th, circular hole A, the 47th, circular hole B, the 91st, push rod A, the 92nd, spring A, the 93rd, contact A, the 101st, wear wire guide, the 131st, push rod B, the 132nd, spring B, the 133rd, contact B, the 181st, groove A, the 182nd, groove B, the 183rd, end face cylindrical hole A, the 184th, end face cylindrical hole B, the 185th, wear wire guide, the 186th, outer small column, the 187th, big column, the 188th, connecting axle, the 191st, pinion B, the 192nd, allocating slot B, the 193rd, sliding sleeve B, the 194th, cylinder B, the 201st, pinion A, the 202nd, allocating slot A, the 203rd, sliding sleeve A, the 204th, cylinder A, the 211st, cylindrical hole, the 212nd, outside cylinder, the 213rd, axial projection, the 214th, big column, the 221st, revolve a B, the 222nd, biasing post B, the 223rd, side plane B, the 224th, cylinder B, the 225th, plush copper B, the 226th, fluted column groove B, the 231st, revolve an A, the 232nd, biasing post A, the 233rd, side plane A, the 234th, cylinder A, the 235th, plush copper A, the 236th, fluted column groove A.
The specific embodiment
Set forth an embodiment of the present utility model below in conjunction with accompanying drawing.It is by main body mounting 4, right supporting 10, control bull stick A23, control bull stick B 22, bull gear 21, pinion member A20, pinion member B19, left side short column pipe 18, support link D17, support link C5, screw rod A7, the screw rod B16 opposite with the screw rod A7 hand of spiral, nut A8, nut B15, guide pillar A6, guide pillar B14, stroke putter component A9, stroke putter component B13, microswitch A11, microswitch B12, auxiliary switch A2, auxiliary switch B3 forms, left socle 1 is arranged in the main body mounting 4, and it is fixedly connected, auxiliary switch A2 is arranged on left socle 1, auxiliary switch B3, control bull stick A23, control bull stick B22 is positioned on the main body mounting 4, and can control auxiliary switch A2 respectively, auxiliary switch B3, pinion member A20, pinion member B19, bull gear 21 is on left short column pipe 18, left side short column pipe 18 is fixedlyed connected with main body mounting 4, pinion member A20, pinion member B19 is loaded on an end of left short column pipe 18, and be positioned at main body mounting 4, and respectively with control bull stick A23, control bull stick B22 connects, one end of left side short column pipe 18 is by support link C5, support link D17 is fixedlyed connected with right supporting 10, at main body mounting 4, also has guide pillar A6 in the right supporting 10, guide pillar B 14, and it is fixedly connected, screw rod A7, screw rod B16 one end is rotationally connected with right supporting 10, the other end in left short column pipe 18, and with pinion member A20, pinion member B19 connects; Nut A8, nut B15 are respectively on screw rod A7, screw rod B16, the one end is on guide pillar A6, guide pillar B14, nut A8, nut B15 are connected with stroke putter component A9, stroke putter component B13 respectively again, and stroke putter component A9, stroke putter component B13 can make microswitch A11, the microswitch B12 action that is contained in the right supporting 10 respectively.Wearing wire guide 101 in addition in the described right supporting 10, is 4.
Pinion member A20 is made of pinion A201, sliding sleeve A203, allocating slot A202, cylinder A204, pinion A201 and sliding sleeve A203 fuse, the centre is allocating slot A202, fuse with cylinder A204 again, the endoporus of sliding sleeve A203 and screw rod A7 one end form fit when sliding sleeve A203 rotates, can drive screw rod A7 rotation, control bull stick A23 makes it move along axis by allocating slot A202, makes sliding sleeve A203 be connected or separate with screw rod A7 one end; Pinion member B19 is made of pinion B191, sliding sleeve B193, allocating slot B192, cylinder B194, pinion B191 and sliding sleeve B193 fuse, the centre is allocating slot B192, fuse with cylinder B194 again, the endoporus of sliding sleeve B193 and screw rod B16 one end form fit when sliding sleeve B193 rotates, can drive screw rod B16 rotation, control bull stick B22 makes it move along axis by allocating slot B192, makes sliding sleeve B193 be connected or separate with screw rod B16 one end.
Control bull stick A23 be by revolve an A231, biasing post A232, cylinder A234, plush copper A235 fuse successively, and side plane A233 and fluted column groove A236 are arranged above; At the lower plane that revolves an A231, and be positioned at biasing post A232 is arranged on the cylinder A234, on cylinder A234 side plane A233, the other end at cylinder A234 has plush copper A235, plush copper A235 is positioned on the allocating slot A202, locating part is fixedlyed connected with main body mounting 4 through fluted column groove A236, and side plane A233 can make the contact action of auxiliary switch A2.
Control bull stick B22 be by revolve a B221, biasing post B222, cylinder B224, plush copper B225 fuse successively, side plane B223 and fluted column groove B226 are arranged above, at the lower plane that revolves a B221, and be positioned at biasing post B222 is arranged on the cylinder B224, on cylinder B224 side plane B223, plush copper B225 is arranged on the other end of cylinder B224, plush copper B225 is positioned on the allocating slot B192, locating part is fixedlyed connected with main body mounting 4 through fluted column groove B226, and side plane B223 can make the contact action of auxiliary switch B3.Main body mounting 4 is to be made of pedestal 41, cover plate 44, screw 45, pedestal 41 1 sides are worn wire guide, be 4 and circular hole A46, cylinder B47, pedestal 41 is fused by screw 45 and cover plate 44, in be hollow, in left socle 1 is arranged, and fixedly connected with pedestal 41, auxiliary switch A2, auxiliary switch B3 are arranged on left socle 1, revolve a cylinder A234 of A231 below, revolve a cylinder B224 of B221 below all in pedestal 41; Cylinder A204, cylinder B194 and survive movingly respectively in circular hole A46, circular hole B47; There are semicolumn pit A42, semicolumn pit B43 in the plane on main body mounting 4, is to make biasing post A232, biasing post B222 can do deflection in 180 ° within it.
Stroke putter component A9 is made of push rod A91, spring A92, contact A93, and push rod A91 one end slides on the screw rod A7, and the other end has spring A92, and its end is contact A93, and by contact A93 control microswitch A11; Stroke putter component B13 is made of push rod B131, spring B 132, contact B133, and push rod B131 one end slides on the screw rod B16, and the other end has spring B 132, and its end is contact B133, and by contact B133 control microswitch B12.
Left side short column pipe 18 is cylinders, fuse successively by outer small column 186, big column 187, connecting axle 188, end face cylindrical hole A183, end face cylindrical hole B184 are arranged on the small column 186 outside, be to put pinion A201 and pinion B191, fluted A181, groove B182 can be meshed pinion A201, pinion B191 with bull gear 21 on the relevant position of cylindrical hole A183, cylindrical hole B184, wearing wire guide 185 on it, is 4.
Auxiliary switch A2 and microswitch A11 are connected in parallel by lead, and auxiliary switch B3 and microswitch B12 are connected in parallel by lead; Above-mentioned lead respectively through right side supporting 10 wear wire guide 101, left short column pipe 18 wear the wearing wire guide and switch is connected of wire guide 185, main body mounting 4 after, be connected with power supply through motor.
When the utility model uses, the connecting axle 188 of left side short column pipe 18 is fixedlyed connected with long tube 24 1 ends, the utility model one end stretches into wherein, motor and reduction box are arranged in long tube 24, the axial projection 213 of bull gear 21 is fixedlyed connected with roller shutter pipe 25, slows down through reduction box when motor rotary shaft rotates, and makes 25 rotations of roller shutter pipe, make roller shutter open or close, and drive bull gear 21 rotations.The adjusting that roller shutter is opened or closed is as follows: when the utility model dispatches from the factory, microswitch A11, microswitch B12 are in off-state, when connecting power supply, motor can not rotate, and auxiliary switch A2, auxiliary switch B3 are in closure state, during the motor energising, as long as the connection switch closure before auxiliary switch A2 or the auxiliary switch B3, it is turned clockwise, or be rotated counterclockwise.At this moment roller shutter pipe 25 rotations, the roller shutter above it rises or descends.Descend or rise to a certain position and can not control automatically, need Artificial Control, should carry out the initial point and the terminal point of roller shutter for this reason and set.Initial point establishing method of the present utility model, connect power supply earlier, A2 is in closure state because of auxiliary switch, if motor is when being rotated clockwise to highest order (initial point), manual control bull stick A23, make and revolve an A231 rotation, revolve an A231 and do 180 ° of rotations at main body mounting 4 semicolumn pit A42, at this moment side plane A233 makes auxiliary switch A2 be unlatching from closure, plush copper A235 makes pinion A201 and bull gear 21 engagements simultaneously, and through the endoporus of sliding sleeve A203 it is connected with the end of screw rod A7, bull gear 21 drives the pinion A201 rotation with its engagement, at this moment screw rod A7 rotates synchronously, and nut A8 moves along guide pillar 7, through the contact A93 of stroke putter component A9, make microswitch A11 become closure from disconnection, initial point adjustment at this moment finishes.Allow motor oppositely switch on, the access failure still of the switch before the microswitch B12 at this moment, and auxiliary switch B3 because of former be closed, motor is rotated counterclockwise, at this moment roller shutter descends, until the extreme lower position of setting (terminal point).At this moment manual control bull stick B22, make and revolve a B221 rotation, revolve a B221 and do 180 ° of rotations at main body mounting 4 semicolumn pit B43, at this moment side plane B223 makes auxiliary switch B3 become unlatching from closure, plush copper B225 makes pinion B191 and bull gear 21 engagements simultaneously, and it is connected with the end of screw rod B16 through the endoporus of sliding sleeve B193, bull gear 21 drives the pinion B191 rotation with its engagement, at this moment screw rod B16 rotates synchronously, nut B15 moves along guide pillar B14, make microswitch B12 become closure from disconnection through the contact B133 of stroke putter component B13, terminal point adjustment at this moment finishes.Because top pinion A201 meshes with bull gear 21, thus when bull gear 21 rotations, pinion A201 is also rotated, drive screw A7 reverse rotation, nut A8 moves along guide pillar 7, and drive stroke putter component A9 moves.The initial point of roller shutter and terminal point adjustment are finished like this.At this moment auxiliary switch A2, auxiliary switch B3 are in off-state all the time when using at ordinary times.The user is as long as the switch that remote control control microswitch A11 opens and closes or microswitch B12 opens and closes just can make the roller shutter action.
Claims (6)
1, it is by the left short column pipe (18) that is contained in main body mounting (4), microswitch A (11), microswitch B (12), right supporting (10), stroke putter component A (9), stroke putter component B (13), screw rod A (7), screw rod B (16), nut A (8), nut B (15), support link C (5), the travel control device of the electric rolling that support link D (17) forms, support link C (5), support link D (17) and left short column pipe (18), right supporting (10) is fixedly connected respectively, screw rod A (7), screw rod B (16) is that two hands of spiral are opposite, and place on right supporting (10) and the left short column pipe (18), nut A (8) is arranged on the screw rod A (7), nut B (15) is arranged on the screw rod B (16), right-hand member at screw rod A (7) has stroke putter component A (9), right-hand member at screw rod B (16) has stroke putter component B (13), microswitch A (11), microswitch B (12) is contained in the side of right supporting (10), it is characterized in that guide pillar A (6) in addition, post is led B (14), left socle (1), auxiliary switch A (2), auxiliary switch B (3), bull gear (21), pinion member A (20), pinion member B (19), control bull stick A (23), control bull stick B (22), control bull stick A (23), control bull stick B (22) is contained on the main body mounting (4), auxiliary switch A (2), auxiliary switch B (3) is fixed on left socle (1), left socle (1) is fixedlyed connected with main body mounting (4), guide pillar A (6), guide pillar B (14) places on right supporting (10) and the left short column pipe (18), nut A (8), the termination of nut B (15) is slidingly connected with guide pillar A (6) and guide pillar B (14) respectively, bull gear (21) one ends are contained in left short column pipe (18) one sides, and become to roll and cooperate, pinion member A (20), pinion member B (19) respectively with screw rod A (7), screw rod B (16) connects, again with control bull stick A (23), control bull stick B (22) connects, control bull stick A (23), control bull stick B (22) can control auxiliary switch A (2) respectively, auxiliary switch B (3).
2, the travel control device of electric rolling according to claim 1, it is characterized in that described stroke putter component A (9) is made of push rod A (91), spring A (92), contact A (93), push rod A (91) one ends are on screw rod A (7), and be with spring A (92), the other end is in the hole of right side supporting (10), and contact A (93) is over against microswitch A (11); Described stroke putter component B (13) is made of push rod B (131), spring B (132), contact B (133), push rod B (131) one ends are on screw rod B (16), and be with spring B (132), the other end is in the hole of right side supporting (10), and contact B (133) is over against microswitch B (12).
3, the travel control device of electric rolling according to claim 1, it is characterized in that described pinion member A (20), constitute by pinion A (201), allocating slot A (202), sliding sleeve A (203), cylinder A (204), pinion A (201), allocating slot A (202), cylinder A (204) are arranged on the sliding sleeve A (203), and be slidingly matched with the end outside cylinder of screw rod A (7), the axis hole A of the outside cylinder of sliding sleeve A (203) and left short column pipe (18) is slidingly matched; Described pinion member B (19) is made of pinion B (191), allocating slot B (192), sliding sleeve B (193), cylinder B (194), pinion B (191), allocating slot B (192), cylinder B (194) are arranged on the sliding sleeve B (193), and be slidingly matched with the end outside cylinder of screw rod B (16), the axis hole B of the outside cylinder of sliding sleeve B (193) and left short column pipe (18) is slidingly matched.
4, the travel control device of electric rolling according to claim 1, it is characterized in that described control bull stick A (23) be one by revolving an A (231), biasing post A (232), side plane A (233), cylinder A (234), fluted column groove A (236), plush copper A (235) constitutes, cylinder A (234) is on main body mounting (4), and become to be rotatably assorted, have at cylinder A (234) one ends and to revolve an A (231), at it side plane A (233) is arranged axially, fluted column groove A (236) is arranged on cylinder A (234), end at cylinder A (234) has plush copper A (235), below revolving an A (231), biasing post A (232) is arranged, half-cylindrical pit A (42) coupling with on the main body mounting (4) makes cylinder A (234) can only do 180 ° of rotations; Locating part A on the main body mounting (4) places on the fluted column groove A (236); Described control bull stick B (22) be one by revolving a B (221), biasing post B (222), side plane B (223), cylinder B (224), fluted column groove B (226), plush copper B (225) constitutes, cylinder B (224) is on main body mounting (4), and become to be rotatably assorted, have at cylinder B (224) one ends and to revolve a B (221), at it side plane B (223) is arranged axially, fluted column groove B (226) is arranged on cylinder B (224), end at cylinder B (224) has plush copper B (225), below revolving a B (221), biasing post B (222) is arranged, half-cylindrical pit B (43) coupling with on the main body mounting (4) makes cylinder B (224) can only do 180 ° of rotations; Locating part B on the main body mounting (4) places on the fluted column groove B (226).
5, the travel control device of electric rolling according to claim 1 is characterized in that wearing wire guide (101), (185) respectively on described right supporting (10), the left short column pipe (18), and the main body mounting is worn wire guide on (4).
6, the travel control device of electric rolling according to claim 5 is characterized in that the described wire guide of wearing, and all is 4.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200520102091 CN2804352Y (en) | 2005-05-10 | 2005-05-10 | Range controller of electric shutter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200520102091 CN2804352Y (en) | 2005-05-10 | 2005-05-10 | Range controller of electric shutter |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2804352Y true CN2804352Y (en) | 2006-08-09 |
Family
ID=36909646
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200520102091 Expired - Fee Related CN2804352Y (en) | 2005-05-10 | 2005-05-10 | Range controller of electric shutter |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2804352Y (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101082260B (en) * | 2007-07-03 | 2010-10-27 | 史建刚 | Up-folding gate having upsliding-proof stopping means |
| CN103601043A (en) * | 2011-02-17 | 2014-02-26 | 第一传动科技股份有限公司 | Stroke limiting device for electric cylinder and take-up mechanism |
-
2005
- 2005-05-10 CN CN 200520102091 patent/CN2804352Y/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101082260B (en) * | 2007-07-03 | 2010-10-27 | 史建刚 | Up-folding gate having upsliding-proof stopping means |
| CN103601043A (en) * | 2011-02-17 | 2014-02-26 | 第一传动科技股份有限公司 | Stroke limiting device for electric cylinder and take-up mechanism |
| CN103601043B (en) * | 2011-02-17 | 2016-01-20 | 第一传动科技股份有限公司 | Electric cylinder stroke restricting means and take-up mechanism thereof |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20060809 |