CN109944921B - Sprocket transmission shaft and chain type window opening machine - Google Patents
Sprocket transmission shaft and chain type window opening machine Download PDFInfo
- Publication number
- CN109944921B CN109944921B CN201910310491.2A CN201910310491A CN109944921B CN 109944921 B CN109944921 B CN 109944921B CN 201910310491 A CN201910310491 A CN 201910310491A CN 109944921 B CN109944921 B CN 109944921B
- Authority
- CN
- China
- Prior art keywords
- main shaft
- shaft
- sprocket
- clamping groove
- mounting groove
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
- 230000005540 biological transmission Effects 0.000 title claims abstract description 65
- 229910000831 Steel Inorganic materials 0.000 claims description 12
- 239000010959 steel Substances 0.000 claims description 12
- 230000000694 effects Effects 0.000 description 2
- 230000001360 synchronised effect Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
Abstract
The invention relates to a sprocket transmission shaft, which comprises a main shaft, a transmission gear and a sprocket, wherein the transmission gear and the sprocket are sleeved on the main shaft, the transmission gear comprises a shaft sleeve and a rim which are coaxially arranged, the shaft sleeve penetrates through the rim and stretches out from one side of the rim, the sprocket comprises a wheel sleeve and a wheel body which are coaxially arranged, one end of the shaft sleeve stretching out of the rim is away from the sprocket, the main shaft is inserted into an inner hole of the shaft sleeve, a clamping structure is arranged between the main shaft and the shaft sleeve, the sprocket is connected with the main shaft in a sliding way, the sprocket is connected with the transmission gear in a sliding way, and a limiting structure for enabling the sprocket and the main shaft to synchronously rotate is arranged between the sprocket and the transmission gear; the invention can disengage the main shaft from the transmission gear, thereby rotating the rotating shaft and enabling the main shaft to drive the chain wheel to rotate. A chain type window opener with the sprocket transmission shaft; the chain type window opener can manually close an opened window when power is cut off.
Description
Technical Field
The invention relates to the technical field of chain type window openers, in particular to a chain wheel transmission shaft and a chain type window opener.
Background
The chain type window opener is equipment which can automatically open or close a window through motor driving. The chain type window opening machine mainly comprises a box body, a driving mechanism and a chain, wherein the driving mechanism and the chain comprise a motor, the driving mechanism and the chain comprise the motor, the chain is fixed with a window through a connecting block outside the box body, and the chain is driven by the motor to extend outwards or retract outwards along a preset path in the box body so as to open or close the window. The chain is driven by a sprocket transmission shaft which is connected in the box body in a rotary way, and the sprocket transmission shaft is connected with an output shaft of the motor through a gear transmission assembly. When the motor is started, the power provided by the motor is transmitted to the sprocket transmission shaft through the gear transmission assembly, so that the sprocket transmission shaft rotates, and the chain is controlled to extend outwards or retract along a preset path.
The chain wheel transmission shaft adopted by the existing chain type window opening machine comprises a main shaft, a transmission gear and a chain wheel, wherein the transmission gear and the chain wheel are fixed with the main shaft, the chain wheel is meshed with a chain, and the transmission gear is connected with a gear transmission assembly. When the motor is powered off and stops working under the condition of power failure, the transmission gear stops running due to the fact that the output shaft of the motor stops rotating. At this time, if the window is in an open state, the open window cannot be closed, and only after a second incoming call is started, the chain type window opener can control the window to be closed.
Disclosure of Invention
The invention aims to provide a sprocket transmission shaft which is provided with a transmission shaft capable of enabling a main shaft and a transmission gear to be separated, so that the main shaft drives a sprocket to rotate by rotating a rotating shaft.
The above object of the present invention is achieved by the following technical solutions:
the utility model provides a sprocket transmission shaft, includes main shaft and suit drive gear and sprocket on the main shaft, drive gear is located the one end of main shaft, the sprocket is located the shaft body of main shaft, drive gear and sprocket looks butt, drive gear includes the axle sleeve that coaxial set up and outer lane has toothed rim, the axle sleeve passes the rim and stretches out from one side of rim, the sprocket includes the wheel hub that coaxial set up and the wheel body that outer lane has the tooth, the one end that the axle sleeve stretches out the rim deviates from the sprocket, the main shaft inserts in the hole of axle sleeve, be provided with joint structure between main shaft and the axle sleeve, thereby joint structure links to each other main shaft and drive gear and drives main shaft synchronous rotation when making drive gear rotate, slide between sprocket and the main shaft and link to each other, sprocket and drive gear slide and link to each other, be provided with the limit structure that makes sprocket and main shaft synchronous rotation between sprocket and the drive gear.
Through adopting above-mentioned technical scheme, when needs rotation main shaft alone, extract the main shaft from transmission gear's axle sleeve, the relative slip between main shaft and the sprocket this moment, after the main shaft is extracted from transmission gear's axle sleeve, rotate the main shaft, the main shaft passes through limit structure synchronization drive sprocket and rotates.
The invention is further provided with: the inner hole of the shaft sleeve is a stepped hole, a section with larger diameter in the inner hole of the shaft sleeve is positioned at one end close to the chain wheel, the diameter of the section with larger diameter in the inner hole of the shaft sleeve is matched with the diameter of the main shaft, one end of the main shaft inserted into the shaft sleeve is provided with an extension section extending into the section with smaller diameter in the shaft sleeve, and the diameter of the extension section is matched with the diameter of the section with smaller diameter in the inner hole of the shaft sleeve.
Through adopting above-mentioned technical scheme, stretch into the inside of the less one section of diameter in the axle sleeve through the extension to support the main shaft, guarantee sprocket structure's stability.
The invention is further provided with: the length of the extension section can be enough that the extension section is still positioned in a section with smaller diameter in the shaft sleeve after the main shaft is extracted from the shaft sleeve.
By adopting the technical scheme, the spindle is convenient to be reinserted into the shaft sleeve.
The invention is further provided with: the clamping structure comprises a first clamping groove formed in one side wall of the main shaft, which is close to the extending section, an opening at one end of the first clamping groove is closed and is arranged along the axial direction of the main shaft, a first mounting groove with one end open and one end closed is formed in the position, opposite to the first clamping groove, of the side wall of the section of the inner hole of the shaft sleeve, the first mounting groove is formed in the axial direction of the shaft sleeve, the transmission gear is sleeved under the main shaft state, the opening end of the first clamping groove is opposite to the closed end of the first mounting groove, a limiting piece is arranged between the first clamping groove and the first mounting groove, and two opposite ends of the limiting piece extend into the first mounting groove and the first clamping groove respectively.
Through adopting above-mentioned technical scheme, after taking out the main shaft from the axle sleeve, crisscross setting between first draw-in groove and the first mounting groove, the locating part releases the connection effect to main shaft and axle sleeve this moment to can make the main shaft rotate alone.
The invention is further provided with: the limiting structure comprises a second clamping groove formed in the shaft body of the main shaft, a second mounting groove with one end open and one end closed is formed in the side wall of the inner hole of the wheel sleeve along the axial direction of the wheel sleeve, the open end of the second mounting groove is away from the transmission gear, the second mounting groove is opposite to the second clamping groove, a limiting piece is arranged between the second mounting groove and the second clamping groove, two opposite ends of the limiting piece respectively penetrate into the second mounting groove and the second clamping groove, and when the main shaft is pulled out from the shaft sleeve of the transmission gear, two ends of the length direction of the second clamping groove are still located at two ends of the length direction of the second mounting groove.
Through adopting above-mentioned technical scheme, when the main shaft is pulled out from transmission gear's axle sleeve, the relative slip between the wheel cover of main shaft and sprocket can drive the sprocket in step and rotate when the main shaft is pulled out from the axle sleeve after the main shaft is pulled out from the axle sleeve.
The invention is further provided with: the first clamping groove, the first mounting groove, the second clamping groove and the second mounting groove are all arc grooves, a hole with a circular cross section is formed when the first clamping groove is opposite to the first mounting groove, a hole with a circular cross section is formed when the second clamping groove is opposite to the second mounting groove, and the limiting piece is a steel ball with a diameter matched with the hole formed when the first clamping groove is opposite to the first mounting groove or the hole formed when the second clamping groove is opposite to the second mounting groove.
By adopting the technical scheme, the steel balls are adopted, so that when the main shaft is pulled, the main shaft and the shaft sleeve of the transmission gear and the main shaft and the wheel sleeve of the chain wheel can move relatively.
The invention is further provided with: the open end of first draw-in groove is provided with the chamfer.
Through adopting above-mentioned technical scheme, when inserting the main shaft back into transmission gear's axle sleeve inside, the locating part is blocked into the inside of first draw-in groove once more easily.
The invention is further provided with: one end of the main shaft far away from the extension section is provided with a flange with the diameter larger than that of the main shaft.
By adopting the technical scheme, the flange is held by hand, so that the main shaft is conveniently pulled.
The invention is further provided with: the flange is provided with a semicircular pull ring.
By adopting the technical scheme, the main shaft is convenient to pull, so that the main shaft is separated from the transmission gear.
The invention is further provided with: a chain type window opener is provided with the chain wheel transmission shaft.
Through adopting above-mentioned technical scheme, the chain formula window opener that adopts this sprocket transmission shaft can be manual when having a power failure close the window of opening.
In summary, the beneficial technical effects of the invention are as follows:
1. when the main shaft is required to be independently rotated, the main shaft is pulled out of the shaft sleeve of the transmission gear, the main shaft and the chain wheel relatively slide at the moment, and after the main shaft is pulled out of the shaft sleeve of the transmission gear, the main shaft is rotated, and the main shaft synchronously drives the chain wheel to rotate through the limiting structure;
2. the extension section extends into a section with a smaller diameter in the shaft sleeve, so that the main shaft is supported, and the stability of the chain wheel structure is ensured;
3. by arranging the flange and the pull ring, the main shaft is convenient to pull, so that the main shaft is separated from the transmission gear.
Drawings
FIG. 1 is a schematic view of a sprocket drive shaft;
FIG. 2 is an exploded view of the sprocket drive shaft;
FIG. 3 is a schematic structural view of a spindle;
FIG. 4 is a schematic diagram of the connection of the spindle to the drive gear;
FIG. 5 is a schematic view of the connection of the spindle to the sprocket;
fig. 6 is a schematic structural view of the tab and the spindle.
In the figure, 1, a main shaft; 11. an extension section; 12. a flange; 13. a first clamping groove; 131. chamfering; 14. a second clamping groove; 15. a through hole; 16. a concave table; 2. a transmission gear; 21. a shaft sleeve; 211. a first mounting groove; 22. a rim; 3. a sprocket; 31. a wheel sleeve; 311. a second mounting groove; 32. a wheel body; 4. steel balls; 5. a pull ring; 51. and (5) inserting a column.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings.
Referring to fig. 1, a sprocket transmission shaft disclosed by the invention comprises a cylindrical main shaft 1, a transmission gear 2 sleeved on the main shaft 1 and a sprocket 3.
Referring to fig. 2 and 3, a cylindrical extension 11 integrally formed with the spindle 1 is provided at one end of the spindle 1 in the longitudinal direction, the extension 11 is provided coaxially with the spindle 1, and the diameter of the extension 11 is smaller than that of the spindle 1. The other end of the main shaft 1 is provided with a flange 12 having a disk shape and integrally formed with the main shaft 1, the flange 12 is coaxially provided with the main shaft 1, and the diameter of the flange 12 is larger than that of the main shaft 1.
Referring to fig. 1, a transmission gear 2 is mounted at one end of a main shaft 1 near an extension 11, and a sprocket 3 is mounted on a shaft body of the main shaft 1.
Referring to fig. 1 and 2, the transmission gear 2 includes a shaft sleeve 21 and a rim 22 with teeth on an outer ring, which are coaxially provided and integrally formed, the shaft sleeve 21 passes through the rim 22 and one end of the shaft sleeve 21 protrudes from one side of the rim 22 in a thickness direction thereof. The inner hole of the shaft sleeve 21 is a stepped hole, and a section with smaller diameter in the inner hole of the shaft sleeve 21 is positioned at a section of the shaft sleeve 21 extending out of the rim 22. The diameter of the larger section of the bore of the sleeve 21 matches the diameter of the spindle 1 and the diameter of the smaller section matches the diameter of the extension 11. When the transmission gear 2 and the main shaft 1 are installed together, a section with a larger inner hole of the shaft sleeve 21 is sleeved on the main shaft 1, and a section with a smaller inner hole diameter is sleeved on the extension section 11.
When the chain wheel transmission shaft is mounted on the box body of the chain type window opener, one end of the shaft sleeve 21 of the transmission gear 2, which extends out of the rim 22, is connected to the box body of the chain type window opener in a rotary mode.
Referring to fig. 3, a plurality of first clamping grooves 13 with one open end and one closed end are formed in the side wall of one end, close to the extension section 11, of the main shaft 1, and the first clamping grooves 13 are arc grooves. The first clamping grooves 13 are uniformly arranged along the circumferential direction of the spindle 1.
Referring to fig. 2 and 4, in the inner hole of the sleeve 21, a first mounting groove 211 with one open end and one closed end, which is matched with the number of the first clamping grooves 13 on the spindle 1, is formed on a section of side wall with a larger diameter, and the first mounting groove 211 is also an arc-shaped groove. The first mounting grooves 211 are equidistantly provided along the circumferential direction of the boss 21. When the shaft sleeve 21 is sleeved on the main shaft 1, the opening end of the first clamping groove 13 is opposite to the opening end of the first mounting groove 211, the shaft sleeve 21 is pushed to move the shaft sleeve 21 towards the main shaft 1, the first mounting groove 211 in the shaft sleeve 21 is opposite to the first clamping groove 13 on the main shaft 1, and a complete hole is formed between the first mounting groove 211 and the first clamping groove 13. At this time, the open end of the first clamping groove 13 is opposite to the closed end of the first mounting groove 211, and the closed end of the first clamping groove 13 is opposite to the open end of the first mounting groove 211. The steel balls 4 are arranged in holes surrounded by the first clamping grooves 13 and the first mounting grooves 211, and the diameters of the steel balls 4 are matched with the diameters of the holes surrounded by the first mounting grooves 211 and the first clamping grooves 13.
When the steel balls 4 are clamped between the first mounting groove 211 and the first clamping groove 13, the transmission gear 2 synchronously drives the main shaft 1 to rotate when rotating. When the spindle 1 needs to be independently rotated, the spindle 1 is pulled to pull the spindle 1 out of the inner hole of the shaft sleeve 21, so that the first clamping groove 13 on the spindle 1 and the first mounting groove 211 of the shaft sleeve 21 are in a staggered state along the axial direction of the spindle 1, and the steel balls 4 are positioned between the first mounting groove 211 of the shaft sleeve 21 and the extension section 11 of the spindle 1. When the main shaft 1 and the transmission gear 2 are required to be linked, the main shaft 1 is pushed to the transmission gear 2, the first clamping groove 13 of the main shaft 1 is arranged opposite to the first mounting groove 211 again, and the steel balls 4 are positioned between the first clamping groove 13 and the first mounting groove 211.
The length of the extension 11 is longer than the length of the first mounting groove 211, so that when the first clamping groove 13 of the spindle 1 and the first mounting groove 211 of the shaft sleeve 21 are in error, the extension 11 is still positioned in a section with a smaller diameter in the inner hole of the shaft sleeve 21. In order to facilitate smooth clamping of the steel balls 4 between the first clamping groove 13 and the first mounting groove 211 when the main shaft 1 moves towards the transmission gear 2, a chamfer 131 is arranged at the opening end of the first clamping groove 13.
Referring to fig. 2 and 5, the sprocket 3 includes a coaxially disposed hub 31 and a wheel body 32 having teeth on an outer periphery, and the hub 31 and the wheel body 32 are integrally formed. The wheel cover 31 passes through the wheel body 32 and both ends in the longitudinal direction of the wheel cover 31 protrude from both ends in the thickness direction of the wheel body 32, respectively. The diameter of the inner hole of the wheel sleeve 31 is matched with the diameter of the main shaft 1, and when the wheel sleeve 31 is sleeved on the main shaft 1, the wheel sleeve 31 can slide on the main shaft 1. The sum of the length of the wheel sleeve 31 and the thickness of the rim 22 of the transmission gear 2 is matched with the width dimension inside the box body of the chain type window opener, namely when the chain wheel transmission shaft is arranged inside the box body of the chain type window opener, one side of the rim 22 of the transmission gear, which is away from the chain wheel 3, and one side of the wheel sleeve 31, which is away from the transmission gear 2, are respectively abutted against two side walls opposite to the box body of the chain type window opener. The wheel sleeve 31 is spaced from the flange 12 of the main shaft 1 by a dimension matching the wall thickness of the box of the chain window opener so that the flange 12 is located outside the box of the chain window opener when the sprocket drive shaft is fitted inside the box of the chain window opener.
A plurality of second clamping grooves 14 are formed in the shaft body of the main shaft 1 along the circumferential direction of the main shaft 1, and the second clamping grooves 14 are arc-shaped grooves. On the side wall of the inner hole of the wheel sleeve 31 of the chain wheel 3, a second mounting groove 311 with one open end and one closed end is arranged at the position of the wheel sleeve 31 opposite to the second clamping groove 14, and the second mounting groove 311 is arranged along the axial direction of the wheel sleeve 31. The second mounting groove 311 is also an arc-shaped groove. The second clamping groove 14 and the second mounting groove 311 enclose a complete hole. The steel balls 4 are placed in holes surrounded by the second clamping grooves 14 and the second mounting grooves 311, and the diameters of the steel balls 4 are matched with the diameters of holes surrounded by the second clamping grooves 14 and the second mounting grooves 311. The length of the second engaging groove 14 is such that when the spindle 1 is pulled out from the sleeve 21 of the transmission gear 2, both ends in the longitudinal direction of the second engaging groove 14 are still located at both ends in the longitudinal direction of the second mounting groove 311.
Referring to fig. 6, in order to facilitate pulling of the spindle 1, a through hole 15 penetrating the flange 12 in a radial direction of the flange 12 is formed in a sidewall of the flange 12, and a tab 5 having a semicircular shape is installed in the through hole 15. The two ends of the radian direction of the pull ring 5 are respectively provided with a plug post 51 which is used for extending into the through hole 15, and the plug post 51 and the pull ring 5 are integrally formed. The insert pin 51 is inserted into the through hole 15 and rotatably connected to the through hole 15, thereby enabling the tab 5 to rotate. On the side surface of the flange 12 facing away from the spindle 1, a recess 16 is provided in the direction of rotation of the tab 5, which recess matches the shape of the tab 5. When the tab 5 rotates in the direction of the recess 16, the tab 5 rotates onto the recess 16 and abuts against the surface of the recess 16.
In another aspect of the invention, there is also provided a chain-type window opener comprising the sprocket drive shaft disclosed herein. When a power failure occurs, the main shaft 1 is pulled out outwards, the first clamping groove 13 on the main shaft 1 and the first mounting groove 211 on the transmission gear 2 are staggered, the main shaft 1 is rotated manually, the main shaft 1 drives the chain wheel 3 to rotate, and the chain wheel 3 drives the chain to move, so that an opened window is closed.
The embodiments of the present invention are all preferred embodiments of the present invention, and are not intended to limit the scope of the present invention in this way, therefore: all equivalent changes in structure, shape and principle of the invention should be covered in the scope of protection of the invention.
Claims (6)
1. The utility model provides a sprocket transmission shaft, includes main shaft (1) and suit drive gear (2) and sprocket (3) on main shaft (1), drive gear (2) are located the one end of main shaft (1), sprocket (3) are located the axle body of main shaft (1), drive gear (2) and sprocket (3) looks butt, drive gear (2) are including axle sleeve (21) and the outer lane rim (22) that have the tooth of coaxial setting, axle sleeve (21) pass rim (22) and stretch out from one side of rim (22), sprocket (3) are including wheel cover (31) and outer lane that coaxial set up have tooth wheel body (32), the one end that axle sleeve (21) stretches out rim (22) deviates from sprocket (3), its characterized in that: the main shaft (1) is inserted into an inner hole of the shaft sleeve (21), a clamping structure is arranged between the main shaft (1) and the shaft sleeve (21), the main shaft (1) and the transmission gear (2) are connected by the clamping structure, so that the main shaft (1) is driven to synchronously rotate when the transmission gear (2) rotates, the chain wheel (3) is connected with the main shaft (1) in a sliding manner, and a limiting structure for enabling the chain wheel (3) to synchronously rotate with the main shaft (1) is arranged between the chain wheel (3) and the main shaft (1);
the clamping structure comprises a first clamping groove (13) formed in one end side wall of the main shaft (1) close to the extending section (11), one end of the first clamping groove (13) is open, one end of the first clamping groove is closed, the first clamping groove is arranged along the axial direction of the main shaft (1), a first mounting groove (211) with one end open and one end closed is formed in the position, opposite to the first clamping groove (13), of one section of the side wall with larger diameter in the inner hole of the shaft sleeve (21), the first mounting groove (211) is arranged along the axial direction of the shaft sleeve (21), the transmission gear (2) is sleeved on the main shaft (1), the open end of the first clamping groove (13) is opposite to the closed end of the first mounting groove (211), a limiting piece is arranged between the first clamping groove (13) and the first mounting groove (211), and two opposite ends of the limiting piece extend into the first mounting groove (211) and the first clamping groove (13) respectively;
the limiting structure comprises a second clamping groove (14) formed in a shaft body of the main shaft (1), a second mounting groove (311) with one end open and one end closed is formed in the side wall of an inner hole of the wheel sleeve (31), the opening end of the second mounting groove (311) is away from the transmission gear (2), the second mounting groove (311) and the second clamping groove (14) are oppositely arranged, a limiting piece is arranged between the second mounting groove (311) and the second clamping groove (14), two opposite ends of the limiting piece respectively penetrate into the second mounting groove (311) and the second clamping groove (14), and when the main shaft (1) is pulled out from a shaft sleeve (21) of the transmission gear (2), two ends of the second clamping groove (14) in the length direction are still positioned at two ends of the second mounting groove (311) in the length direction;
the inner hole of the shaft sleeve (21) is a stepped hole, a section with larger diameter in the inner hole of the shaft sleeve (21) is positioned at one end close to the chain wheel (3), the diameter of the section with larger diameter in the inner hole of the shaft sleeve (21) is matched with the diameter of the main shaft (1), one end of the main shaft (1) inserted into the shaft sleeve (21) is provided with an extension section (11) which extends into the section with smaller diameter in the shaft sleeve (21), and the diameter of the extension section (11) is matched with the diameter of the section with smaller diameter in the inner hole of the shaft sleeve (21);
the length of the extension section (11) can be satisfied that the extension section (11) is still positioned in a section with a smaller diameter in the shaft sleeve (21) after the main shaft (1) is extracted from the shaft sleeve (21).
2. A sprocket drive as set forth in claim 1 wherein: the first clamping groove (13), the first mounting groove (211), the second clamping groove (14) and the second mounting groove (311) are all arc grooves, a hole with a circular cross section is formed when the first clamping groove (13) and the first mounting groove (211) are opposite, a hole with a circular cross section is formed when the second clamping groove (14) and the second mounting groove (311) are opposite, and the limiting piece is a steel ball (4) with the diameter matched with the hole formed when the first clamping groove (13) and the first mounting groove (211) are opposite or the hole formed when the second clamping groove (14) and the second mounting groove (311) are opposite.
3. A sprocket drive as set forth in claim 1 wherein: the open end of the first clamping groove (13) is provided with a chamfer (131).
4. A sprocket drive as set forth in claim 1 wherein: one end of the main shaft (1) far away from the extension section (11) is provided with a flange (12) with a diameter larger than that of the main shaft (1).
5. A sprocket drive as set forth in claim 4 wherein: the flange (12) is provided with a semicircular pull ring (5).
6. A chain window opener which characterized in that: a sprocket drive shaft according to any one of claims 1 to 5.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910310491.2A CN109944921B (en) | 2019-04-17 | 2019-04-17 | Sprocket transmission shaft and chain type window opening machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910310491.2A CN109944921B (en) | 2019-04-17 | 2019-04-17 | Sprocket transmission shaft and chain type window opening machine |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109944921A CN109944921A (en) | 2019-06-28 |
| CN109944921B true CN109944921B (en) | 2024-04-09 |
Family
ID=67015465
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910310491.2A Active CN109944921B (en) | 2019-04-17 | 2019-04-17 | Sprocket transmission shaft and chain type window opening machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109944921B (en) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN204850869U (en) * | 2015-07-27 | 2015-12-09 | 合肥嘉伟装饰工程有限责任公司 | Automatic with manual hybrid machine of windowing |
| CN107781374A (en) * | 2016-08-24 | 2018-03-09 | 李思模 | A kind of hand rotary reel |
| CN108561032A (en) * | 2018-04-02 | 2018-09-21 | 东莞市嘉创电子科技有限公司 | Electric window-opening device |
| CN207960307U (en) * | 2018-01-29 | 2018-10-12 | 北京吉时开启智能科技有限公司 | A kind of uniaxial synchronous double-strand electric window-opening machine |
| CN209818686U (en) * | 2019-04-17 | 2019-12-20 | 北京吉时开启智能科技有限公司 | Sprocket drive shaft and chain type window opener |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE102006010270B4 (en) * | 2006-03-02 | 2008-05-08 | Zf Friedrichshafen Ag | gearing |
| JP5452681B1 (en) * | 2012-09-14 | 2014-03-26 | 富士重工業株式会社 | transmission |
-
2019
- 2019-04-17 CN CN201910310491.2A patent/CN109944921B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN204850869U (en) * | 2015-07-27 | 2015-12-09 | 合肥嘉伟装饰工程有限责任公司 | Automatic with manual hybrid machine of windowing |
| CN107781374A (en) * | 2016-08-24 | 2018-03-09 | 李思模 | A kind of hand rotary reel |
| CN207960307U (en) * | 2018-01-29 | 2018-10-12 | 北京吉时开启智能科技有限公司 | A kind of uniaxial synchronous double-strand electric window-opening machine |
| CN108561032A (en) * | 2018-04-02 | 2018-09-21 | 东莞市嘉创电子科技有限公司 | Electric window-opening device |
| CN209818686U (en) * | 2019-04-17 | 2019-12-20 | 北京吉时开启智能科技有限公司 | Sprocket drive shaft and chain type window opener |
Also Published As
| Publication number | Publication date |
|---|---|
| CN109944921A (en) | 2019-06-28 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN109944921B (en) | Sprocket transmission shaft and chain type window opening machine | |
| CN209818686U (en) | Sprocket drive shaft and chain type window opener | |
| CN111730336A (en) | Turning and milling composite machine tool | |
| CN106694934A (en) | Novel flange end face boring bevelling machine | |
| CN103978381B (en) | A kind of hexagonal is bored and is attacked machine | |
| BRPI0621146B1 (en) | DIFFERENTIAL ASSEMBLY PROVIDED FROM AN ADJUSTMENT DEVICE, IN PARTICULAR FOR MOTORIZED VEHICLES | |
| CN101036950B (en) | Gun drill | |
| EP1808245B1 (en) | Tool turret | |
| CN107008930B (en) | Numerically controlled lathe servo turret | |
| CN102489742B (en) | Pressure pipeline tapping machine | |
| CN114087342B (en) | Speed reducer with adjustable output shaft position | |
| CN208034216U (en) | Cylinder body class inner walls of deep holes radial bore equipment | |
| CN106123459A (en) | foldable refrigerator door | |
| CN205519697U (en) | Centralized control handle device of lathe | |
| CN206028798U (en) | New -type to brill | |
| CN109098619A (en) | A kind of door suspension system | |
| CN213743302U (en) | Half-open type rotary gear mechanism of self-balancing continuous screwing and unscrewing drill rod screw thread device | |
| CN206588442U (en) | A kind of pellet process equipment for chamfering | |
| CN208701259U (en) | A kind of reeling machine tooth case | |
| CN214722592U (en) | Speed regulating device of electric tapping machine | |
| CN205764109U (en) | A kind of eccentric differential gear for milling blind hole bottom surface | |
| CN211259423U (en) | Parallel full-automatic online input barring gear | |
| CN217837907U (en) | Guide wheel structure with adjustable size for cable production | |
| CN107088683A (en) | A kind of pellet process equipment for chamfering | |
| CN217977300U (en) | Speed reducer with adjustable mounting position |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant |