CN219067996U - Linear driver with hand-shaking function - Google Patents
Linear driver with hand-shaking function Download PDFInfo
- Publication number
- CN219067996U CN219067996U CN202222543981.7U CN202222543981U CN219067996U CN 219067996 U CN219067996 U CN 219067996U CN 202222543981 U CN202222543981 U CN 202222543981U CN 219067996 U CN219067996 U CN 219067996U
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- sleeve
- rotating shaft
- bearing
- worm wheel
- shaking function
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- 238000009434 installation Methods 0.000 claims abstract description 8
- 230000005540 biological transmission Effects 0.000 claims abstract description 7
- 238000007789 sealing Methods 0.000 claims description 29
- 125000003003 spiro group Chemical group 0.000 abstract 1
- 239000000428 dust Substances 0.000 description 6
- 230000002093 peripheral effect Effects 0.000 description 6
- 238000010586 diagram Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
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Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16H—GEARING
- F16H37/00—Combinations of mechanical gearings, not provided for in groups F16H1/00 - F16H35/00
- F16H37/12—Gearings comprising primarily toothed or friction gearing, links or levers, and cams, or members of at least two of these types
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K7/00—Arrangements for handling mechanical energy structurally associated with dynamo-electric machines, e.g. structural association with mechanical driving motors or auxiliary dynamo-electric machines
- H02K7/06—Means for converting reciprocating motion into rotary motion or vice versa
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Mechanical Engineering (AREA)
- Transmission Devices (AREA)
Abstract
The utility model relates to the technical field of linear drivers, and particularly discloses a linear driver with a hand-shaking function, which comprises a shell, an actuating mechanism, a supporting part and a crank, wherein the shell is provided with an installation cavity and an opening communicated with the installation cavity; the actuating mechanism comprises a first bearing, a motor, a worm wheel driven by the rotation of the motor shaft, and a screw rod connected with the worm wheel in a transmission way, wherein the first bearing and the worm wheel are both arranged in the mounting cavity, one end of the worm wheel close to the opening is coaxially and integrally formed with a first rotating shaft, and the first bearing is sleeved on the first rotating shaft and is tightly matched with the first rotating shaft and the shell; one end of the supporting part extends into the mounting cavity from the opening of the shell and is fixedly connected with the shell; the crank extends into the support and selectively engages the first shaft such that the worm gear follows the crank. The device has solved the linear drive of hand function and has connect the engaging portion on the lead screw spiro union, crank and engaging portion meshing, and then drive the lead screw and rotate, but have the relatively poor and easy not hard up problem of joint strength between lead screw and the engaging portion.
Description
Technical Field
The utility model relates to the technical field of linear drivers, in particular to a linear driver with a hand-shaking function.
Background
The structure of the linear driver mainly comprises a motor, a worm wheel, a worm, a screw rod, a nut and a telescopic tube, wherein the motor is used for driving the worm to rotate so as to drive the worm wheel to rotate, the worm wheel is fixedly connected with the screw rod coaxially, the nut is fixedly connected with the telescopic rod, and the screw rod is in threaded fit with the nut, so that the telescopic tube is driven by the nut to linearly reciprocate along the axial direction of the screw rod.
However, since the worm wheel of the conventional linear driver is driven by the motor, the linear driver cannot work normally under the condition of power failure or power failure. Therefore, a linear driver with a hand-shaking function is designed, and the crank is stretched into the linear driver shell to drive the worm wheel to rotate.
At present, a linear driver with a hand-operated function is usually in threaded connection with a meshing part on a screw rod, a crank is meshed with the meshing part, and then the screw rod is driven to rotate, but the problems of poor connection strength and easy loosening of threaded connection exist between a worm wheel and the meshing part.
Disclosure of Invention
The utility model aims at: the linear driver with the hand-shaking function is provided, so that the problems that in the related art, the linear driver with the hand-shaking function is usually in threaded connection with the meshing part on the screw rod, the crank is meshed with the meshing part, and then the screw rod is driven to rotate, but the connection strength between the screw rod and the meshing part is poor and the threaded connection is easy to loosen are solved.
The present utility model provides a linear actuator with a hand shaking function, comprising:
the shell is provided with a mounting cavity and an opening communicated with the mounting cavity;
the actuating mechanism comprises a first bearing, a motor, a worm wheel driven by the rotation of the motor shaft, and a screw rod in transmission connection with the worm wheel, wherein the first bearing and the worm wheel are both arranged in the mounting cavity, one end of the worm wheel, which is close to the opening, is coaxially and integrally formed with a first rotating shaft, the first bearing is sleeved on the first rotating shaft and is tightly matched with the first rotating shaft and the shell, and the first rotating shaft is opposite to the opening;
the support part extends into the mounting cavity from the opening at one end and is in sealing connection with the inner wall of the shell, and is provided with a through hole which is coaxially arranged with the first rotating shaft;
the telescopic structure comprises a nut in threaded connection with the screw rod and a telescopic pipe fixedly connected with the nut;
and the crank extends into the through hole and is selectively meshed with the first rotating shaft, so that the worm wheel rotates along with the crank.
As the preferred technical scheme of the linear driver with the hand-shaking function, the supporting part comprises a sleeve and a first sealing ring, the first sealing ring is sleeved on the outer peripheral surface of the sleeve, one end of the sleeve is inserted into the mounting cavity, the first sealing ring is positioned between the inner wall of the shell and the outer peripheral surface of the sleeve, and the through hole is formed in the sleeve.
As a preferred technical scheme of the linear driver with the hand-shaking function, the sleeve and the shell are fixedly connected through bolts.
As the preferable technical scheme of the linear driver with the hand-shaking function, a first limit groove is formed around the outer peripheral surface of the sleeve, and the first sealing ring is arranged in the first limit groove.
As a preferred technical scheme of the linear driver with the hand-shaking function, the supporting part further comprises a fixing ring, the fixing ring is arranged between the first bearing and the sleeve, the fixing ring is abutted to the first bearing, and the fixing ring is abutted to the sleeve.
As the preferred technical scheme of the linear driver with the hand-shaking function, the supporting part further comprises a second sealing ring, the second sealing ring is sleeved on the first rotating shaft and arranged between the sleeve and the first rotating shaft, and the second sealing ring is respectively abutted to the sleeve and the first rotating shaft.
As the preferred technical scheme of the linear driver with the hand-shaking function, the fixed ring and the sleeve are surrounded to form a second limiting groove, the notch of the second limiting groove is opposite to the first rotating shaft, and the second sealing ring is arranged in the second limiting groove.
As the preferable technical scheme of the linear driver with the hand-shaking function, the device further comprises a rubber plug, and when the crank is pulled out from the through hole, the rubber plug is inserted into the through hole.
As the preferable technical scheme of the linear driver with the hand-shaking function, the peripheral surface of the rubber plug is convexly provided with a sealing bulge along the circumferential direction of the rubber plug, and when the rubber plug is inserted into the through hole, the sealing bulge is abutted against the sleeve.
As the preferred technical scheme of the linear driver with the hand shaking function, the actuating mechanism further comprises a second rotating shaft and a second bearing, wherein the second rotating shaft and the second bearing are arranged in the mounting cavity, one end, far away from the opening, of the worm wheel is coaxially provided with the second rotating shaft, the inner ring of the second bearing is tightly matched with the second rotating shaft, the outer ring of the second bearing is tightly matched with the inner wall of the shell, and the screw rod is fixedly connected with the second rotating shaft coaxially.
The beneficial effects of the utility model are as follows:
the utility model provides a linear driver with a hand-shaking function, which comprises a shell, an actuating mechanism, a supporting part, a crank and a telescopic structure, wherein the shell is provided with an installation cavity and an opening communicated with the installation cavity; the actuating mechanism comprises a first bearing, a motor, a worm wheel driven by the rotation of the motor shaft, and a screw rod connected with the worm wheel in a transmission way, wherein the first bearing and the worm wheel are both arranged in the mounting cavity, one end of the worm wheel close to the opening is coaxially and integrally formed with a first rotating shaft, the first bearing is sleeved on the first rotating shaft and is tightly matched with the first rotating shaft and the shell, and the first rotating shaft is opposite to the opening; one end of the supporting part extends into the mounting cavity from the opening and is in sealing connection with the inner wall of the shell, the supporting part is provided with a through hole, and the through hole and the first rotating shaft are coaxially arranged; the telescopic structure comprises a nut in threaded connection with the screw rod for transmission and a telescopic pipe fixedly connected with the nut; the crank extends into the through hole and is selectively engaged with the first rotating shaft, so that the worm wheel rotates along with the crank. The worm wheel integrated into one piece of the device is provided with first pivot, is provided with the meshing tooth in the first pivot, and then can with the direct tooth meshing of crank, promoted the intensity of first pivot. The linear driver solves the problems that the linear driver with the hand-operated function is usually in threaded connection with the meshing part on the screw rod, the crank is meshed with the meshing part, and then the screw rod is driven to rotate, but the connection strength between the screw rod and the meshing part is poor and easy to loosen.
Drawings
Fig. 1 is a schematic structural diagram of a linear actuator with a hand-shaking function according to a first embodiment of the present utility model;
fig. 2 is a schematic structural diagram of a linear driver with a hand-shaking function according to a first embodiment of the present utility model;
FIG. 3 is a cross-sectional view of FIG. 2;
FIG. 4 is an enlarged view of a portion of FIG. 3 at A;
FIG. 5 is a schematic view of a housing according to a first embodiment of the present utility model;
FIG. 6 is a cross-sectional view of a linear actuator with hand shaking in a second embodiment of the present utility model;
fig. 7 is a partial enlarged view at B in fig. 6.
In the figure:
1. a housing; 11. a mounting cavity; 12. an opening;
2. a first bearing; 3. a worm wheel; 4. the first rotating shaft, the 5 and the second rotating shaft; 6. a second bearing;
7. a support part; 71. a sleeve; 711. a first limit groove; 72. a first seal ring; 73. a fixing ring; 731. the second limit groove; 74. a second seal ring;
8. a crank;
9. a rubber stopper; 91. and a sealing protrusion.
Detailed Description
The following description of the embodiments of the present utility model will be made apparent and fully in view of the accompanying drawings, in which some, but not all embodiments of the utility model are shown. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
In the description of the present utility model, it should be noted that the directions or positional relationships indicated by the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. are based on the directions or positional relationships shown in the drawings, are merely for convenience of describing the present utility model and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present utility model. Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying relative importance. Wherein the terms "first location" and "second location" are two distinct locations and wherein the first feature is "above," "over" and "over" the second feature includes the first feature being directly above and obliquely above the second feature, or simply indicates that the first feature is level above the second feature. The first feature being "under", "below" and "beneath" the second feature includes the first feature being directly under and obliquely below the second feature, or simply means that the first feature is less level than the second feature.
In the description of the present utility model, it should be noted that, unless explicitly specified and limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be either fixedly connected, detachably connected, or integrally connected, for example; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present utility model will be understood in specific cases by those of ordinary skill in the art.
Embodiments of the present utility model are described in detail below, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to like or similar elements or elements having like or similar functions throughout. The embodiments described below by referring to the drawings are illustrative only and are not to be construed as limiting the utility model.
Example 1
As shown in fig. 1 to 5, the present embodiment provides a linear actuator with a hand-shaking function, which includes a housing 1, an actuating mechanism, a supporting portion 7, a crank 8, and a telescopic structure, the housing 1 being provided with a mounting chamber 11 and an opening 12 communicating with the mounting chamber 11; the actuating mechanism comprises a first bearing 2, a motor, a worm wheel 3 driven by the rotation of the motor shaft and a screw rod in transmission connection with one end of the worm wheel 3, wherein the first bearing 2 and the worm wheel 3 are both arranged in the mounting cavity 11, one end, close to the opening 12, of the worm wheel 3 is provided with a first rotating shaft 4 in a coaxial integrated manner, the first bearing 2 is sleeved on the first rotating shaft 4 and is tightly matched with the first rotating shaft 4 and the shell 1, and the first rotating shaft 4 is opposite to the opening 12; one end of the supporting part 7 extends into the mounting cavity 11 from the opening 12 and is in sealing connection with the inner wall of the shell 1, the supporting part 7 is provided with a through hole, and the through hole and the first rotating shaft 4 are coaxially arranged; the telescopic structure comprises a nut in threaded connection with the screw rod for transmission and a telescopic pipe fixedly connected with the nut; the crank 8 protrudes into the through hole and is selectively engaged with the first rotation shaft 4, so that the worm wheel 3 rotates following the crank 8. The worm wheel 3 integrated into one piece of the device is provided with a first rotating shaft 4, and the first rotating shaft 4 is provided with meshing teeth, so that the worm wheel can be directly meshed with the crank 8, and the strength between the first rotating shaft 4 and the worm wheel 3 is improved. The linear driver solves the problems that the linear driver with the hand-operated function is usually in threaded connection with the meshing part on the screw rod, the crank 8 is meshed with the meshing part, and then the screw rod is driven to rotate, but the connection strength between the screw rod and the meshing part is poor and easy to loosen.
Specifically, one end of the support portion 7 protrudes from the opening 12 into the mounting chamber 11 and is sealingly connected to the inner wall of the housing 1. And thus, external moisture, dust, etc. can be prevented from entering the installation cavity 11 from the space between the supporting portion 7 and the housing 1.
Optionally, the linear driver with hand shaking function further comprises a worm, a screw rod, a nut and a telescopic tube, the worm is meshed with the worm wheel 3, the motor drives the worm to rotate, the worm wheel 3 drives the screw rod to rotate coaxially, the nut is in threaded connection with the screw rod and only slides along the axis direction of the screw rod, and the telescopic tube cannot rotate around the axis of the screw rod, and is fixedly connected with the nut. If necessary, the telescopic tube can be a telescopic inner tube and a telescopic outer tube, and the connection mode with the screw rod is the current general connection mode.
Alternatively, the supporting portion 7 includes a sleeve 71 and a first seal ring 72, the first seal ring 72 is sleeved on the outer peripheral surface of the sleeve 71, when one end of the sleeve 71 is inserted into the mounting cavity 11, the first seal ring 72 is located between the inner wall of the housing 1 and the outer peripheral surface of the sleeve 71, and the through hole is provided in the sleeve 71. In this embodiment, the first seal 72 seals the connection between the sleeve 71 and the housing 1. Specifically, the first seal ring 72 is made of rubber.
Optionally, the sleeve 71 and the housing 1 are fastened by bolts. In this embodiment, a plurality of connection lugs are protruding along the circumferential direction of the sleeve 71, and a plurality of bolts are inserted in the plurality of connection lugs in a one-to-one correspondence manner and are in threaded connection with the housing 1. In other embodiments, the sleeve 71 may be fastened to the housing 1 by clamping or cementing.
Optionally, a first limiting groove 711 is provided around the outer circumferential surface of the sleeve 71, and the first seal ring 72 is provided in the first limiting groove 711. In this embodiment, the first limiting groove 711 can prevent the casing 71 from extending into the mounting cavity 11, and the casing 1 moves the first sealing ring 72 relative to the casing 71, thereby affecting the air tightness between the casing 1 and the casing 71.
Optionally, the supporting portion 7 further includes a fixing ring 73, the fixing ring 73 is disposed between the first bearing 2 and the sleeve 71, the fixing ring 73 abuts against the first bearing 2, and the fixing ring 73 abuts against the sleeve 71. In this embodiment, the fixing ring 73 is disposed between the first bearing 2 and the sleeve 71, and when the sleeve 71 and the housing 1 are relatively fixed, the sleeve 71 compresses the fixing ring 73 onto the first bearing 2, and when the first rotating shaft 4 drives the inner ring of the first bearing 2 to rotate, the inner ring of the first bearing 2 and the fixing ring 73 slide relatively. In this embodiment, the first shaft of the worm wheel extends into the sleeve 71, and the fixing ring can stabilize the first shaft.
Optionally, the supporting portion 7 further includes a second sealing ring 74, where the second sealing ring 74 is sleeved on the first rotating shaft 4 and is disposed between the sleeve 71 and the first rotating shaft 4, and the second sealing ring 74 abuts against the sleeve 71 and the first rotating shaft 4 respectively. In this embodiment, the second seal ring 74 is made of rubber, and the second seal ring 74 can prevent dust, moisture, etc. from entering the installation cavity 11 from the gap between the sleeve 71 and the first shaft 4.
Optionally, the fixing ring 73 and the sleeve 71 enclose a second limiting groove 731, a notch of the second limiting groove 731 is opposite to the first rotating shaft 4, and the second sealing ring 74 is disposed in the second limiting groove 731. In this embodiment, the second limiting groove may limit the relative position between the second sealing ring and the first rotating shaft 4.
Optionally, the actuating mechanism further includes a second rotating shaft 5 and a second bearing 6, the second rotating shaft 5 and the second bearing 6 are both disposed in the mounting cavity, one end of the worm wheel 3 away from the opening 12 is coaxially provided with the second rotating shaft 5, an inner ring of the second bearing 6 is tightly matched with the second rotating shaft 5, an outer ring of the second bearing 6 is tightly matched with an inner wall of the housing 1, and the screw rod is coaxially fixedly connected with the second rotating shaft. In this embodiment, the first bearing 2 and the second bearing 6 simultaneously play a supporting role on two ends of the worm wheel 3, so that the stability of rotation of the worm wheel 3 can be increased.
Example two
As shown in fig. 6 and 7, this embodiment is substantially the same as embodiment 1, except that the second seal ring 74 and the fixing ring 73 are not included, and optionally, the linear actuator with a hand-shaking function further includes a dust plug 10, and the dust plug 10 is selectively inserted into a through hole of an end of the sleeve 71 remote from the housing 1. In this embodiment, when the crank 8 is not required to drive the first shaft 4, the dust plug 10 is inserted into the through hole at the end of the sleeve 71 away from the housing 1, so that external moisture or dust can be prevented from entering the installation cavity through the sleeve 71.
It is to be understood that the above examples of the present utility model are provided for clarity of illustration only and are not limiting of the embodiments of the present utility model. Other variations or modifications of the above teachings will be apparent to those of ordinary skill in the art. It is not necessary here nor is it exhaustive of all embodiments. Any modification, equivalent replacement, improvement, etc. which come within the spirit and principles of the utility model are desired to be protected by the following claims.
Claims (10)
1. A linear actuator having a hand-shaking function, comprising:
a housing (1), wherein the housing (1) is provided with a mounting cavity (11) and an opening (12) communicated with the mounting cavity (11);
the actuating mechanism comprises a first bearing (2), a motor, a worm wheel (3) driven by the rotation of a motor shaft and a screw rod in transmission connection with the worm wheel (3), wherein the first bearing (2) and the worm wheel (3) are both arranged in the mounting cavity (11), one end, close to the opening (12), of the worm wheel (3) is provided with a first rotating shaft (4) in a coaxial line integrated forming mode, the first bearing (2) is sleeved on the first rotating shaft (4) and is tightly matched with the first rotating shaft (4) and the shell (1), and the first rotating shaft (4) is opposite to the opening (12);
the support part (7), one end of the support part (7) stretches into the installation cavity (11) from the opening (12) and is connected with the inner wall of the shell (1) in a sealing way, the support part (7) is provided with a through hole, and the through hole and the first rotating shaft (4) are coaxially arranged;
the telescopic structure comprises a nut in threaded connection with the screw rod and a telescopic pipe fixedly connected with the nut;
and the crank (8) stretches into the through hole and is selectively meshed with the first rotating shaft (4), so that the worm wheel (3) rotates along with the crank (8).
2. The linear actuator with a hand shaking function according to claim 1, wherein the supporting portion (7) comprises a sleeve (71) and a first sealing ring (72), the first sealing ring (72) is sleeved on the outer circumferential surface of the sleeve (71), when one end of the sleeve (71) is inserted into the mounting cavity (11), the first sealing ring (72) is located between the inner wall of the housing (1) and the outer circumferential surface of the sleeve (71), and the through hole is formed in the sleeve (71).
3. Linear drive with hand shaking function according to claim 2, characterized in that the sleeve (71) is fixedly connected to the housing (1).
4. The linear actuator with a hand shaking function as claimed in claim 2, wherein a first limit groove (711) is provided around the outer circumferential surface of the sleeve (71), and the first seal ring (72) is provided in the first limit groove (711).
5. The linear drive with hand shaking function as claimed in claim 4, characterized in that the support (7) further comprises a fixing ring (73), the fixing ring (73) being arranged between the first bearing (2) and the sleeve (71), the fixing ring (73) being in abutment with the first bearing (2), the fixing ring (73) being in abutment with the sleeve (71).
6. The linear drive with hand shaking function according to claim 5, characterized in that the support part (7) further comprises a second sealing ring (74), the second sealing ring (74) is sleeved on the first rotating shaft (4) and is arranged between the sleeve (71) and the first rotating shaft (4), and the second sealing ring (74) is respectively abutted against the sleeve (71) and the first rotating shaft (4).
7. The linear drive with hand shaking function as claimed in claim 6, wherein the fixing ring (73) and the sleeve (71) enclose a second limit groove (731), a notch of the second limit groove (731) is opposite to the first rotating shaft (4), and the second seal ring (74) is disposed in the second limit groove (731).
8. The linear actuator with hand shaking function according to claim 4, further comprising a rubber stopper (9), wherein the rubber stopper (9) is inserted into the through hole when the crank (8) is withdrawn from the through hole.
9. The linear actuator with hand shaking function as claimed in claim 8, wherein the outer circumferential surface of the rubber stopper (9) is provided with a sealing protrusion (91) protruding in the circumferential direction thereof, and the sealing protrusion (91) abuts against the sleeve (71) when the rubber stopper (9) is inserted into the through hole.
10. Linear drive with hand shaking function according to any of claims 1-9, characterized in that the actuating mechanism further comprises a second spindle (5) and a second bearing (6), both the second spindle (5) and the second bearing (6) being arranged in the mounting cavity (11), one end of the worm wheel (3) remote from the opening (12) being coaxially provided with the second spindle (5), the inner ring of the second bearing (6) being in close fit with the second spindle (5), the outer ring of the second bearing (6) being in close fit with the inner wall of the housing (1), the screw being fixedly connected coaxially with the second spindle (5).
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222543981.7U CN219067996U (en) | 2022-09-26 | 2022-09-26 | Linear driver with hand-shaking function |
| PCT/CN2023/113266 WO2024066777A1 (en) | 2022-09-26 | 2023-08-16 | Linear driver with hand-cranking function |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222543981.7U CN219067996U (en) | 2022-09-26 | 2022-09-26 | Linear driver with hand-shaking function |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219067996U true CN219067996U (en) | 2023-05-23 |
Family
ID=86341429
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202222543981.7U Active CN219067996U (en) | 2022-09-26 | 2022-09-26 | Linear driver with hand-shaking function |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN219067996U (en) |
| WO (1) | WO2024066777A1 (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2024066777A1 (en) * | 2022-09-26 | 2024-04-04 | 德沃康科技集团有限公司 | Linear driver with hand-cranking function |
Family Cites Families (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE20005065U1 (en) * | 2000-03-20 | 2000-05-25 | Dewert Antriebs- und Systemtechnik GmbH & Co KG, 32278 Kirchlengern | Double worm gear drive |
| CN203051659U (en) * | 2012-12-28 | 2013-07-10 | 第一传动科技股份有限公司 | Linear actuator and rocker arm driving mechanism thereof |
| CN208010887U (en) * | 2018-03-19 | 2018-10-26 | 第一传动科技股份有限公司 | Linear actuators with hand mechanism |
| CN210404977U (en) * | 2019-09-11 | 2020-04-24 | 宁波市奉化润达医疗器械有限公司 | Electric push rod with manual input |
| CN111022485A (en) * | 2019-12-10 | 2020-04-17 | 浙江捷昌线性驱动科技股份有限公司 | Hand-rotating linear actuator |
| CN211693408U (en) * | 2019-12-21 | 2020-10-16 | 嘉兴礼海电气科技有限公司 | Driver with hand-cranking structure |
| CN217422047U (en) * | 2022-05-20 | 2022-09-13 | 江西科旺科技有限公司 | Novel speed reducer device |
| CN219067996U (en) * | 2022-09-26 | 2023-05-23 | 德沃康科技集团有限公司 | Linear driver with hand-shaking function |
-
2022
- 2022-09-26 CN CN202222543981.7U patent/CN219067996U/en active Active
-
2023
- 2023-08-16 WO PCT/CN2023/113266 patent/WO2024066777A1/en unknown
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2024066777A1 (en) * | 2022-09-26 | 2024-04-04 | 德沃康科技集团有限公司 | Linear driver with hand-cranking function |
Also Published As
| Publication number | Publication date |
|---|---|
| WO2024066777A1 (en) | 2024-04-04 |
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