CN111706205A - Electric pulley - Google Patents
Electric pulley Download PDFInfo
- Publication number
- CN111706205A CN111706205A CN202010694832.3A CN202010694832A CN111706205A CN 111706205 A CN111706205 A CN 111706205A CN 202010694832 A CN202010694832 A CN 202010694832A CN 111706205 A CN111706205 A CN 111706205A
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- China
- Prior art keywords
- block
- gear
- rack
- lifting
- driven
- 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.)
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Classifications
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- E—FIXED CONSTRUCTIONS
- E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
- E05F—DEVICES FOR MOVING WINGS INTO OPEN OR CLOSED POSITION; CHECKS FOR WINGS; WING FITTINGS NOT OTHERWISE PROVIDED FOR, CONCERNED WITH THE FUNCTIONING OF THE WING
- E05F15/00—Power-operated mechanisms for wings
- E05F15/60—Power-operated mechanisms for wings using electrical actuators
- E05F15/603—Power-operated mechanisms for wings using electrical actuators using rotary electromotors
- E05F15/632—Power-operated mechanisms for wings using electrical actuators using rotary electromotors for horizontally-sliding wings
- E05F15/635—Power-operated mechanisms for wings using electrical actuators using rotary electromotors for horizontally-sliding wings operated by push-pull mechanisms, e.g. flexible or rigid rack-and-pinion arrangements
- E05F15/641—Power-operated mechanisms for wings using electrical actuators using rotary electromotors for horizontally-sliding wings operated by push-pull mechanisms, e.g. flexible or rigid rack-and-pinion arrangements operated by friction wheels
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- E—FIXED CONSTRUCTIONS
- E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
- E05D—HINGES OR SUSPENSION DEVICES FOR DOORS, WINDOWS OR WINGS
- E05D13/00—Accessories for sliding or lifting wings, e.g. pulleys, safety catches
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- E—FIXED CONSTRUCTIONS
- E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
- E05D—HINGES OR SUSPENSION DEVICES FOR DOORS, WINDOWS OR WINGS
- E05D15/00—Suspension arrangements for wings
- E05D15/06—Suspension arrangements for wings for wings sliding horizontally more or less in their own plane
- E05D15/0621—Details, e.g. suspension or supporting guides
- E05D15/066—Details, e.g. suspension or supporting guides for wings supported at the bottom
- E05D15/0665—Details, e.g. suspension or supporting guides for wings supported at the bottom on wheels with fixed axis
- E05D15/0669—Details, e.g. suspension or supporting guides for wings supported at the bottom on wheels with fixed axis with height adjustment
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Transmission Devices (AREA)
Abstract
The invention is suitable for the technical field of door and window accessories, and provides an electric pulley which comprises a main shell, a lifting wheel frame and a pulley, wherein the lifting wheel frame is connected in the main shell and can lift relative to the main shell, the pulley is connected with the lifting wheel frame, a clutch component is arranged in the main shell, the lifting wheel frame is connected with a power component for driving the clutch component to act and the pulley to rotate, and the power component comprises a transmission gear set and a power motor; the clutch component comprises a lifting rack which can be meshed with the transmission gear set and is driven by the transmission gear set to slide, a rack clutch block driven by the lifting rack, an active oblique block which can be driven by the rack clutch block and can drive the lifting wheel carrier to lift and a passive oblique block connected to the main shell, and a lifting guide structure is arranged between the active oblique block and the passive oblique block. The electric pulley provided by the invention has good user experience.
Description
Technical Field
The invention belongs to the technical field of door and window accessories, and particularly relates to an electric pulley.
Background
At present, the electric sliding door of mainstream is installed complicatedly, and electric pulley structure salient outside the frame fan, if program failure or outage take place, electric pulley can block and die, and user experience is not good enough.
Disclosure of Invention
The invention aims to overcome the defects of the prior art and provides an electric pulley which is good in user experience.
The technical scheme of the invention is as follows: an electric pulley comprises a main shell, a lifting wheel frame and a pulley, wherein the lifting wheel frame is connected in the main shell and can lift relative to the main shell, the pulley is connected with the lifting wheel frame, a clutch component is arranged in the main shell, the lifting wheel frame is connected with a power component which is used for driving the clutch component to act and the pulley to rotate, and the power component comprises a transmission gear set and a power motor; the clutch component comprises a lifting rack which can be meshed with the transmission gear set and is driven by the transmission gear set to slide, a rack clutch block driven by the lifting rack, an active oblique block which can be driven by the rack clutch block and can drive the lifting wheel carrier to lift and a passive oblique block connected to the main shell, and a lifting guide structure is arranged between the active oblique block and the passive oblique block.
Specifically, the transmission gear set comprises a driving gear driven by the power motor and a driven gear set capable of planetary rotation relative to the driving gear; the driven gear set is meshed with the driving gear, and the lifting rack is meshed with the driven gear set.
Specifically, an inclined block is integrally formed at the upper end of the lifting rack, and the rack clutch block is provided with an inclined hole matched with the inclined block; the upper end of the inclined block is also provided with an inclined support block, one side of which can be abutted against the inclined hole.
Specifically, the both sides of lifting rack are provided with the guide post, the initiative sloping block is provided with the confession the guide post stretches into and the gliding vertical connection spout from top to bottom, initiative sloping block sliding connection in the lift wheel carrier.
Specifically, the driven inclined block is connected to the main shell, a lifting guide inclined plane is arranged at the front end of the driven inclined block, and a pre-pressed force accumulation elastic part is arranged at the rear end of the driven inclined block; the driving inclined block is connected with a lock pin, the driving inclined block is forwards abutted against the driven inclined block, and the driving inclined block moves downwards and can further compress the force storage elastic piece to enable the force storage elastic piece to store energy; when the elastic member releases elasticity and pushes the driven oblique block to retreat reversely, the power storage elastic member drives the lock pin to retreat to lock the lifting rack to be disengaged from the transmission gear set; during unlocking, after the unlocking block pushes the lock pin to unlock, the force storage elastic piece reversely pushes the passive module, the active oblique block, the lifting rack, the rack clutch block and the lock pin to retreat, so that the lifting rack is meshed with the transmission gear set again.
Specifically, the driving inclined block is connected with a clamping shaft, and the lifting wheel carrier is provided with a clamping groove for clamping the clamping shaft; the clamping groove comprises an ascending groove and a backstop groove communicated with the upper part of the ascending groove.
Specifically, the lifting wheel frame is provided with a stop surface for stopping the rack clutch block, and the front inclined surface of the inclined block in the lifting rack acts on the front side inclined surface of the inclined hole in the rack clutch block to enable the lifting rack to move upwards to be disengaged from the driven gear set.
Specifically, the power motor is connected with a straight gear, and the straight gear is connected with a worm wheel; the driven gear set comprises a first helical gear, a second helical gear and a third helical gear, two groups of pulleys are arranged, and the two groups of pulleys are respectively connected to the first gear and the second gear; the first bevel gear is meshed with the worm wheel, and the second bevel gear is meshed with the first bevel gear; the first gear is meshed between the second helical gear and the third helical gear, the second gear is meshed with the third helical gear, the first gear, the second helical gear and the third helical gear are connected to the lifting wheel carrier, the first helical gear is connected to the main shell, and the first helical gear is rotationally connected with the second helical gear through a connecting piece;
the power motor is brushless motor, be provided with motor mounting flange in the main casing body, worm wheel coaxial coupling has first straight-teeth gear, brushless motor's pivot is connected with the second straight-teeth gear, first straight-teeth gear with the meshing of second straight-teeth gear.
Specifically, electronic pulley still includes the unblock part, the unblock part include electromagnetic component and by electromagnetic component driven unblock piece, the unblock piece is provided with and is used for the drive the screens axle withdraws from stopping the groove and slide in the unblock inclined plane of ascending tank bottom.
Specifically, the lifting guide structure comprises a first inclined plane which is arranged at the front end of the driving inclined block and is arranged obliquely upwards and a second inclined plane which is arranged at the front end of the driven inclined block and is arranged obliquely downwards.
The electric pulley provided by the invention is matched with the lifting guide structure, the pulley can be driven to rotate and lift only by one power part, the electric pulley cannot be locked, and the user experience is good.
Drawings
In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings needed to be used in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained according to these drawings without creative efforts.
Fig. 1 is a schematic perspective view of an electric pulley according to an embodiment of the present invention;
FIG. 2 is a schematic plan view of a motorized pulley provided in accordance with an embodiment of the present invention;
FIG. 3 is an exploded perspective view of a motorized pulley according to an embodiment of the present invention;
FIG. 4 is a schematic cross-sectional view of a clutch block of a rack in a motorized pulley according to an embodiment of the present invention;
FIG. 5 is a schematic perspective view of a rack clutch block in an electric pulley according to an embodiment of the present invention;
fig. 6 is a schematic perspective view of a lifting rack in an electric pulley according to an embodiment of the present invention;
FIG. 7 is a schematic cross-sectional view of a lifting wheel frame in an electric pulley according to an embodiment of the present invention;
FIG. 8 is a schematic plan view of a lifting wheel frame in a power-driven pulley according to an embodiment of the present invention;
FIG. 9 is a schematic plan view of a motorized pulley provided in accordance with an embodiment of the present invention;
fig. 10 is a schematic cross-sectional view of a power pulley according to an embodiment of the present invention;
fig. 11 is a schematic cross-sectional view of a motorized pulley provided in an embodiment of the present invention;
fig. 12 is a schematic cross-sectional view of a power pulley according to an embodiment of the present invention;
fig. 13 is a schematic cross-sectional view of a power pulley according to an embodiment of the present invention;
fig. 14 is a schematic perspective view of an active oblique block and a passive oblique block in the electric pulley according to the embodiment of the present invention;
fig. 15 is a schematic plan view of a power unit and a transmission gear set in an electric pulley according to an embodiment of the present invention.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is described in further detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
As shown in fig. 1 to 15, an electric pulley according to an embodiment of the present invention includes a main housing 1, a lifting wheel frame 2 connected in the main housing 1 and capable of lifting relative to the main housing 1, and a pulley 3 connected to the lifting wheel frame 2, a clutch component is disposed in the main housing 1, the lifting wheel frame 2 is connected to a power component for driving the clutch component to move and the pulley 3 to rotate, and the power component includes a transmission gear set and a power motor 4; the clutch part including can with drive gear group mesh and by drive gear group drive gliding lifting rack 5, by lifting rack 5 driven rack separation and reunion piece 6, can by rack separation and reunion piece 6 drive and can drive the initiative sloping block 7 that the lift wheel carrier 2 goes up and down and connect in the passive sloping block 8 of the main casing body 1, initiative sloping block 7 with be provided with the lift guide structure between the passive sloping block 8, through setting up lift wheel carrier 2 and the clutch part that can go up and down, cooperation lift guide structure only needs a power part can drive pulley 3 and rotate and go up and down, and electronic pulley can not block, and user experience is good.
Specifically, the transmission gear set comprises a driving gear driven by the power motor 4 and a driven gear set capable of planetary rotation relative to the driving gear; the driven gear set is meshed with the driving gear, the lifting rack 5 is meshed with the driven gear set, namely the driven gear set can perform planetary rotation around the driving gear, the pulley 3 can adapt to the track, the lifting (manual mode) and the descending (electric mode) of the lifting wheel carrier 2 can be realized, and a special motor does not need to be additionally arranged.
Specifically, the upper end of the lifting rack 5 is integrally formed with an inclined block 51, and one, two or more inclined blocks 51 may be provided, in this embodiment, two inclined blocks 51 are provided, and the inclined blocks 51 are inclined toward the front end of the lifting rack 5. The rack clutch piece 6 is provided with an inclined hole 61 for matching with the inclined piece 51, and the inclined hole 61 matches with the inclined piece 51. The inclined hole 61 has a front-side inner wall 611 (close to the front end of the rack clutch piece 6) and a rear-side inner wall 612. The front end of the active swash block 7 and the front end of the passive swash block 8 may be disposed opposite to each other.
Specifically, the upper end of the inclined block 51 is further provided with an inclined support block 52, one side of which can be abutted against the inclined hole 61, and the inclined support block 52 can be clamped on the rear inner wall 612 of the inclined hole 61.
Specifically, guide posts 53 are arranged on two sides of the lifting rack 5, the driving oblique block 7 is provided with a longitudinal connecting sliding groove 71 for the guide posts 53 to extend into and slide up and down, and the driving oblique block 7 is connected to the lifting wheel carrier 2 in a sliding manner.
Specifically, passive sloping block 8 connect in main casing body 1, the front end of passive sloping block 8 is provided with lift direction inclined plane, the rear end of passive sloping block 8 is provided with the power elastic component that holds of being pre-compressed, holds power elastic component promptly and keeps elasticity all the time, so passive sloping block 8 has the thrust all the time, holds power elastic component and can be for the spring 81 by the pre-compressed, through setting up the power elastic component that holds, can make pulley 3 can the orbital undulation of self-adaptation. The active inclined block 7 is connected with a lock pin, the active inclined block 7 is forwards abutted against the passive inclined block 8, and the active inclined block 8 descends and can further compress a force storage elastic piece (a spring 81) to enable the force storage elastic piece to store energy; when the elastic member releases elasticity and pushes the driven oblique block 8 backward, the power storage elastic member drives the lock pin to backward and locks the lifting rack 5 to be disengaged from the transmission gear set; during unlocking, after the unlocking block pushes the lock pin to unlock, the force storage elastic piece reversely pushes the passive module 8, the active oblique block 7, the lifting rack 5, the rack clutch block 6 and the lock pin to retreat, so that the lifting rack 5 is re-meshed with the transmission gear set, and the complete set of meshing/decomposing repeatability and motion closed loop are realized.
Specifically, the driving inclined block 7 is connected with a stop shaft 91, and the lifting wheel carrier 2 is provided with a clamping groove for the stop shaft 91 to be clamped in; the clamping groove comprises an ascending groove and a backstop groove communicated with the upper part of the ascending groove.
Specifically, the lifting wheel frame 2 has a stopper surface for stopping the rack clutch piece 6, and the front slope of the slope piece 51 of the lifting rack 5 acts on the front slope of the slope hole 61 of the rack clutch piece 6 to move the lifting rack 5 upward to be disengaged from the driven gear set.
Specifically, the power motor 4 is connected with a straight gear 41, and the straight gear 41 is connected with a worm gear 42; the driven gear set comprises a first helical gear 43, a second helical gear 44 and a third helical gear 45, two groups of pulleys 3 are arranged, and the two groups of pulleys are respectively connected to a first gear 46 and a second gear 47; the first bevel gear 43 is meshed with the worm wheel 42, and the second bevel gear 44 is meshed with the first bevel gear 43; the first gear 46 is meshed between the second bevel gear 44 and the third bevel gear 45, the second gear 47 is meshed with the third bevel gear 45, the first gear 46, the second gear 47, the second bevel gear 44 and the third bevel gear 45 are connected to the lifting wheel frame 2 through a connecting piece, the first bevel gear 43 is connected to the main casing 1, and the first bevel gear 43 and the second bevel gear 44 are rotationally connected through a connecting piece 48; power motor 4 is brushless motor, be provided with motor mounting flange 49 in the main casing body 1, worm wheel 42 coaxial coupling has first straight-teeth gear, brushless motor's pivot is connected with the second straight-teeth gear, first straight-teeth gear with the meshing of second straight-teeth gear.
Specifically, the driving swash block 7 may be connected to a lock pin, the lock pin may be used to restrict the rack clutch block 6, the driving swash block 7 may be provided with an inverted "L" -shaped stop groove, and the lock pin may be engaged with the stop groove and located below the rack clutch block 6.
Specifically, electronic pulley still includes the unblock part, the unblock part include electromagnetic component 31 and by electromagnetic component 31 driven unblock piece 32, unblock piece 32 is provided with and is used for the drive stop axle 91 withdraws from the stopping groove just slides in the unblock inclined plane of ascending groove bottom. The electromagnetic member 31 may be an electromagnetic push rod. The unlocking block 32 has an unlocking ramp for pressing the lock pin when it is forward to move the lock pin downward. In a specific application, the electromagnetic push rod, the unlocking block 32, may be disposed at the rear end of the main housing 1. The lifting rack 5 can be arranged below the rack clutch block 6, and the rack clutch block 6 can be connected with the driving oblique block 7 in a sliding mode. The lifting rack 5 may be located above the third bevel gear 45.
Specifically, a lateral slide rail structure may be provided between the passive swash block 8 and the main housing 1. A transverse sliding structure is arranged between the driving oblique block 7 and the rack clutch block 6. A longitudinal sliding structure is arranged between the lifting rack 5 and the driving oblique block 7.
Specifically, the lifting guide structure comprises a first inclined plane arranged at the front end of the driving inclined block 7 and arranged obliquely upwards and a second inclined plane arranged at the front end of the driven inclined block 8 and arranged obliquely downwards.
Specifically, a bottom closure plate 11 may be attached to the bottom of the main housing 1.
In specific application, the steps of landing the electric pulley and electrically driving can be referred to as follows:
the power motor 4 rotates to drive the first helical gear 43 to rotate (as shown in the figure, the first helical gear 43 rotates counterclockwise), so as to drive the lifting rack 5 to move forward (i.e. to the right in the figure), at this time, the bottom surface of the rack clutch block 6 contacts with the top surface of the inclined block 51 on the lifting rack 5, so that the lifting rack 5 is meshed with the third helical gear 45, and the guide column 53 of the lifting rack 5 drives the driving inclined block 7 and the rack clutch block 6 to move rightward (forward) together. In the moving process, the driving inclined block 7 and the driven inclined block 8 are extruded, under the constraint of the lifting guide structure, when the driving inclined block 7 is abutted against the driven inclined block 8 and continues to move rightwards, the driving inclined block 7 moves downwards under the action of the lifting guide structure, so that the driving inclined block 7 and the lifting wheel frame 2 move downwards together to drive the pulley 3(PU wheel) to contact with the track, and redundant travel extrudes and stores force for the spring 81 behind the driven inclined block 8. In the process of the movement, the lock pin is dragged by the active inclined block 7 to move upwards under the inclined surface action of the lifting wheel frame 2. When the driving swash block 7 continues to move, the front stop surface (which can be the front end surface 601) of the rack clutch block 6 is contacted with the front stop surface (201) of the lifting wheel frame 2, so that the rack clutch block 6, the driving swash block 7 and the lifting rack 5 generate relative motion, the front inner wall 611 (inclined surface) of the inclined hole 61 on the rack clutch block 6 acts with the front end inclined surface (inclined surface 501) of the inclined block 51 on the lifting rack 5, so that the lifting rack 5 moves upwards, and the lifting rack 5 can be disengaged from the third bevel gear 45. After the engagement, the driving inclined block 7, the lifting rack 5, the rack clutch block 6 and the lock pin rapidly retreat (leftwards) under the action of the spring 81 behind the driven inclined block 8, and the lock pin is stopped by the rear end surface (202) of the stopping groove of the lifting wheel frame 2. Further, the lifter rack 5 and the third bevel gear 45 are kept disengaged, the pulley 3 is kept in the track state, the spring 81 is kept in the power storage state, and the pulley 3 is made adaptive to the track undulation, and at this time, the mode is switched to the motoring mode.
In specific application, the steps of derailing the electric pulley and manually operating the electric pulley can be referred to as follows:
after the motor stops rotating, the electromagnetic piece 31 (electromagnetic push rod) of the unlocking part drives the unlocking block 32 to move forward (rightward) under the instruction, the unlocking inclined plane of the unlocking block 32 presses the lock pin, so that the lock pin moves downward, and the lock pin is separated from the rear end surface (203) of the stopping groove of the lifting wheel frame 2, under the action of the spring 81, the driving inclined block 7, the lifting rack 5, the rack clutch block 6 and the lock pin retreat, the rear stopping surface (such as the tail end surface, 602) of the rack clutch block 6 collides with the rear stopping surface (202) of the lifting wheel frame 2, the rack clutch block 6 is prevented from retreating, during the continuous retreating movement of the lifting rack 5, the rear inner wall 612 of the rack clutch block 6 presses the rear end inclined plane (502) of the inclined block 51 on the lifting rack 5, so that the lifting rack 5 descends, and keeps a certain meshing pressure under the action of the spring 81, under the drive of the brushless motor, the first helical gear 43 rotates reversely, the third bevel gear 45 is meshed with the lifting rack 5 and drives the lifting rack 5, the driving bevel block 7 and the lock pin to move leftwards, the spring 81 of the driven bevel block 8 is released, the lifting rack 5, the driving bevel block 7 and the lock pin mechanism are integrally stopped by a rear stop surface (202) of the lifting wheel frame 2, the second bevel gear 44 in the lifting wheel frame 2 is driven to rotate and locked, the first bevel gear 43 continues to rotate clockwise, under the constraint of the connecting piece 48, the lifting wheel frame 2 performs planetary motion with the first bevel gear 43 as a circle, the pulley 3 rises upwards to be separated from a track, and the manual mode is changed.
According to the electric pulley provided by the embodiment of the invention, the pulley 3 can be driven to rotate and lift only by one power part in cooperation with the lifting guide structure, the electric pulley cannot be locked, and the user experience is good.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents or improvements made within the spirit and principle of the present invention should be included in the scope of the present invention.
Claims (10)
1. An electric pulley is characterized by comprising a main shell, a lifting wheel frame which is connected in the main shell and can lift relative to the main shell, and a pulley which is connected with the lifting wheel frame, wherein a clutch component is arranged in the main shell, the lifting wheel frame is connected with a power component which is used for driving the clutch component to act and the pulley to rotate, and the power component comprises a transmission gear set and a power motor; the clutch component comprises a lifting rack which can be meshed with the transmission gear set and is driven by the transmission gear set to slide, a rack clutch block driven by the lifting rack, an active oblique block which can be driven by the rack clutch block and can drive the lifting wheel carrier to lift and a passive oblique block connected to the main shell, and a lifting guide structure is arranged between the active oblique block and the passive oblique block.
2. The electric pulley of claim 1, wherein said drive gear set includes a drive gear driven by said power motor and a driven gear set planetary-rotatable with respect to said drive gear; the driven gear set is meshed with the driving gear, and the lifting rack is meshed with the driven gear set.
3. The power-driven pulley according to claim 2, wherein an inclined block is integrally formed at an upper end of the lifting rack, and the rack clutch block is provided with an inclined hole for matching with the inclined block; the upper end of the inclined block is also provided with an inclined support block, one side of which can be abutted against the inclined hole.
4. The electric pulley according to claim 3, wherein the lifting rack is provided with guide posts at both sides thereof, the driving swash block is provided with longitudinal connecting sliding grooves for the guide posts to extend into and slide up and down, and the driving swash block is slidably connected to the lifting wheel frame.
5. The electric pulley according to claim 4, wherein the passive sloping block is connected to the main housing, the front end of the passive sloping block is provided with a lifting guide sloping surface, and the rear end of the passive sloping block is provided with a pre-pressed force accumulation elastic member; the driving inclined block is connected with a lock pin, the driving inclined block is forwards abutted against the driven inclined block, and the driving inclined block moves downwards and can further compress the force storage elastic piece to enable the force storage elastic piece to store energy; when the elastic member releases elasticity and pushes the driven oblique block to retreat reversely, the power storage elastic member drives the lock pin to retreat to lock the lifting rack to be disengaged from the transmission gear set; during unlocking, after the unlocking block pushes the lock pin to unlock, the force storage elastic piece reversely pushes the passive module, the active oblique block, the lifting rack, the rack clutch block and the lock pin to retreat, so that the lifting rack is meshed with the transmission gear set again.
6. The electric pulley according to claim 5, wherein the driving inclined block is connected with a clamping shaft, and the lifting wheel carrier is provided with a clamping groove for clamping the clamping shaft; the clamping groove comprises an ascending groove and a backstop groove communicated with the upper part of the ascending groove.
7. The motorized pulley of claim 6, wherein the lift truck has a stop surface for stopping the rack clutch block, the front ramp surface of the angled block in the lift rack acting against the front ramp surface of the angled bore in the rack clutch block to move the lift rack upward out of engagement with the driven gear set.
8. The electric pulley according to claim 7, wherein a spur gear is connected to the power motor, and a worm gear is connected to the spur gear; the driven gear set comprises a first helical gear, a second helical gear and a third helical gear, two groups of pulleys are arranged, and the two groups of pulleys are respectively connected to the first gear and the second gear; the first bevel gear is meshed with the worm wheel, and the second bevel gear is meshed with the first bevel gear; the first gear is meshed between the second helical gear and the third helical gear, the second gear is meshed with the third helical gear, the first gear, the second helical gear and the third helical gear are connected to the lifting wheel carrier, the first helical gear is connected to the main shell, and the first helical gear is rotationally connected with the second helical gear through a connecting piece;
the power motor is brushless motor, be provided with motor mounting flange in the main casing body, worm wheel coaxial coupling has first straight-teeth gear, brushless motor's pivot is connected with the second straight-teeth gear, first straight-teeth gear with the meshing of second straight-teeth gear.
9. The electric pulley according to claim 8, further comprising an unlocking member comprising an electromagnetic member and an unlocking block driven by the electromagnetic member, wherein the unlocking block is provided with an unlocking slope for driving the locking shaft to exit the stopping groove and slide on the bottom of the ascending groove.
10. The power-driven pulley according to claim 1, wherein the elevation guide structure includes a first inclined surface provided at a front end of the driving swash block and inclined upward, and a second inclined surface provided at a front end of the driven swash block and inclined downward.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010694832.3A CN111706205A (en) | 2020-07-17 | 2020-07-17 | Electric pulley |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010694832.3A CN111706205A (en) | 2020-07-17 | 2020-07-17 | Electric pulley |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN111706205A true CN111706205A (en) | 2020-09-25 |
Family
ID=72546706
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010694832.3A Pending CN111706205A (en) | 2020-07-17 | 2020-07-17 | Electric pulley |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN111706205A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115998353A (en) * | 2023-01-18 | 2023-04-25 | 宝玛医疗科技(无锡)有限公司 | Electric anastomat |
-
2020
- 2020-07-17 CN CN202010694832.3A patent/CN111706205A/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115998353A (en) * | 2023-01-18 | 2023-04-25 | 宝玛医疗科技(无锡)有限公司 | Electric anastomat |
| CN115998353B (en) * | 2023-01-18 | 2023-12-01 | 宝玛医疗科技(无锡)有限公司 | Electric anastomat |
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