CN217135309U - Tubular motor mini hand cranking device - Google Patents
Tubular motor mini hand cranking device Download PDFInfo
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- CN217135309U CN217135309U CN202220592642.5U CN202220592642U CN217135309U CN 217135309 U CN217135309 U CN 217135309U CN 202220592642 U CN202220592642 U CN 202220592642U CN 217135309 U CN217135309 U CN 217135309U
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Abstract
The utility model discloses a mini hand cranking device of tubular motor, include: fixing the end cover assembly; the motor pipe is used for transmitting driving force and is rotationally connected with the fixed end cover component; the manual driving mechanism is used for manually driving the motor pipe to rotate, the manual driving mechanism is arranged in the motor pipe, and the output end of the manual driving mechanism is fixed with the motor pipe; and the electric driving mechanism is used for electrically driving the motor pipe to rotate, the electric driving mechanism is arranged in the motor pipe, and the output end of the electric driving mechanism is fixed with the motor pipe. The utility model provides a mini hand cranking device of tubular motor can satisfy electric control and manual control's demand simultaneously, also can not produce inefficacy under the outage or the power failure circumstances.
Description
Technical Field
The utility model belongs to the technical field of the motor technique and specifically relates to a mini hand cranking device of tubular motor is related to.
Background
Along with the popularization of intelligent house, the demand of miniature tubular motor also constantly increases, and miniature tubular motor can use different application scenario, if: automobile curtains, car as a house curtains, small window curtains and the like. Only the motor of automatically controlled control in the existing market can not produce under the outage or lose the power supply condition and become invalid, if change tubular motor that overpower is high and will produce cost increase, the function is surplus, occupies space, produces a series of problems such as higher noise, influences quality of life. Therefore, there is a need for a tubular motor mini hand cranking device that can achieve remote control, manual control, remote control and button-powered control of the operation of the motor.
Chinese patent application publication No. CN201466897U, published as 2010, 05 and 12, entitled "dc tubular motor and electric curtain and electric door using the same", discloses a dc tubular motor and an electric curtain and electric door using the same, the dc tubular motor includes: the electronic limit control device can be wirelessly limited by a remote control device, and the commutator and the transformer which are arranged in the shell and used for supplying power to the movement and the electronic limit control device; the machine core and the electronic limit control device are electrically connected with a transformer through a commutator, the transformer is arranged at the end part of the shell and is provided with a standard alternating current power supply interface used for being electrified with a standard alternating current power supply. However, the above-mentioned solutions still cannot be controlled manually.
Disclosure of Invention
The utility model discloses an overcome among the prior art only electrically controlled control's tubular motor, can not cut off the power supply or lose the not enough that will produce the inefficacy under the power supply condition, provide a tubular motor mini hand cranking device, can satisfy electric control and manual control's demand simultaneously, also can not produce the inefficacy under the outage or the power supply condition.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
a tubular motor mini hand crank comprising:
fixing the end cover assembly;
the motor pipe is used for transmitting driving force and is rotationally connected with the fixed end cover component;
the manual driving mechanism is used for manually driving the motor pipe to rotate, the manual driving mechanism is arranged in the motor pipe, and the output end of the manual driving mechanism is fixed with the motor pipe;
and the electric driving mechanism is used for electrically driving the motor pipe to rotate, the electric driving mechanism is arranged in the motor pipe, and the output end of the electric driving mechanism is fixed with the motor pipe.
Among the above-mentioned technical scheme, be equipped with on the fixed end cover subassembly with square axle, thereby square axle inserts unable adjustment base and fixes whole motor, and the motor pipe is coaxial fixed with the central aluminum pipe on the curtain, and the motor pipe rotates and drives the central aluminum pipe on the curtain and rotate, realizes reciprocating of curtain. The manual driving mechanism and the electric driving mechanism can respectively drive the motor pipe to rotate, under the power-on condition, the electric driving mechanism is utilized to transmit the torsion to the central aluminum pipe of the curtain, so that the central aluminum pipe rotates along with the motor pipe to drive the curtain arranged on the central aluminum pipe to rotate, and the requirements of stretching, shrinking and up-and-down movement of the curtain are met. Under the condition of power failure, the manual driving mechanism is utilized to drive the motor pipe and the central aluminum pipe to rotate, so that the central aluminum pipe is driven to rotate to achieve the purposes of extending and contracting the curtain and moving up and down, and the requirement that the motor can also move up and down under the condition of power failure to achieve the effects of shading and shading sun is met. An electric control system is arranged in the motor pipe and used for controlling the electric driving mechanism to realize remote control and remote control.
Preferably, the manual driving mechanism comprises a first worm, a first worm wheel, an extension rod and a driving head, the first worm and the first worm wheel are respectively connected with the fixed end cover in a rotating mode, the first worm is meshed with the first worm wheel, the first worm wheel is fixed with the extension rod, one end of the extension rod is fixed with the driving head, and the driving head is fixed with the motor pipe.
Under the outage condition, drive first worm wheel through rotating first worm and rotate, drive the driving head through the extension rod on the first worm wheel and rotate, also drive the motor pipe rotation when the driving head, reach output torsion's effect, cause to drive central aluminum pipe rotatory, reach the curtain stretch and shrink and reciprocate to satisfy the motor and also can let the curtain reciprocate and reach shading, sunshade effect under the circumstances of outage.
Preferably, the end of the first worm is provided with a worm washer. The structure avoids the direct contact of the first worm and the fixed end cover component, and reduces the noise and the friction coefficient in the rotating process.
Preferably, the electric driving mechanism comprises a motor and a speed reduction connecting piece, one output end of the motor is connected with the speed reduction connecting piece, and the speed reduction connecting piece is fixed with the motor pipe. Under the condition of electrifying, the motor works and rotates, the torque force is transmitted to the speed reduction connecting piece, and the speed reduction connecting piece transmits the power to the motor pipe.
Preferably, the electric driving mechanism further comprises a brake mechanism, and the brake mechanism is connected with the other output end of the motor.
Preferably, the brake mechanism comprises an electromagnet outer sleeve, an electromagnet winding assembly, an electromagnet push rod and a brake rod, the electromagnet outer sleeve is fixed with the fixed end cover assembly, the electromagnet winding assembly is fixed in the electromagnet outer sleeve, the electromagnet push rod is arranged in the electromagnet winding assembly and is in sliding connection with the electromagnet winding assembly, the brake rod is fixed with the output end of the motor, and the electromagnet push rod is in contact with the brake rod.
When the electric braking device needs to brake, the power supply of the electromagnet winding assembly generates a magnetic field to push the electromagnet push rod to move towards the electromagnet brake rod by inputting current through the electronic module, and the electromagnet push rod, the electromagnet brake rod and the soft contact concave-convex fan-shaped structure with silica gel are used for locking, so that a motor is locked, the braking effect is achieved, and the curtain is controlled to move up and down.
Preferably, a direct current speed reducer is arranged at the end part of the motor pipe, and the manual driving mechanism and the electric driving mechanism are both connected with the motor pipe through the direct current speed reducer. The DC speed reducer is used for converting the output power and the torque force of the motor to reduce the transmission speed and improve the torque.
Preferably, the device further comprises a limiting mechanism, the limiting mechanism comprises a middle gear, a stroke inner sleeve, a stroke switch, a left-handed screw rod and a right-handed screw rod, the middle gear, the left-handed screw rod and the right-handed screw rod are respectively rotatably connected with the fixed end cover assembly, a first screw rod gear is arranged on the left-handed screw rod and is connected with left-handed threads on the left-handed screw rod, a second screw rod gear is arranged on the right-handed screw rod and is connected with right-handed threads on the right-handed screw rod, the stroke inner sleeve is coaxially fixed with the motor pipe and is meshed with the middle gear, a long toothed shaft is arranged on the middle gear, the first screw rod gear and the second screw rod gear are respectively meshed with the long toothed shaft, and the stroke switch is arranged at one end of the middle gear and is fixed with the fixed end cover assembly.
When the motor is driven, the motor pipe can synchronously drive the stroke inner sleeve to rotate, the stroke inner sleeve enables the intermediate gear to rotate, the long gear shaft on the intermediate gear drives the first lead screw gear and the second lead screw gear to move along the axis, when one of the first lead screw gear and the second lead screw gear moves to the end position and is in contact with the stroke switch, the stroke switch is triggered to work, the motor is limited to continue to rotate, and therefore the maximum stroke or the minimum stroke of the motor is determined. After the screw rod gear reaches the stroke point and moves in the opposite direction, the stroke switch can be reset.
Preferably, the limiting mechanism further comprises a first adjusting worm, a second adjusting worm, a first adjusting worm gear shaft and a second adjusting worm gear shaft, the first adjusting worm, the second adjusting worm, the first adjusting worm gear shaft and the second adjusting worm gear shaft are respectively connected with the fixed end cover assembly in a rotating mode, the first adjusting worm is meshed with the first adjusting worm gear shaft, the second adjusting worm and the second adjusting worm gear shaft are fixed to the left-handed screw rod, and the second adjusting worm gear shaft is fixed to the right-handed screw rod.
The worm and gear structure has self-locking function, and when not adjusting, levogyration lead screw and dextrorotation lead screw can't drive first regulation worm and second regulation worm and rotate. When the adjusting device needs to be adjusted, the curtain is adjusted to the upper limit position, then the handle stretches into the inner hexagonal counter bore on the first adjusting worm, the first screw rod gear is moved to the position contacted with the travel switch, then the curtain is adjusted to the lower limit position, and the handle stretches into the inner hexagonal counter bore on the second adjusting worm, so that the second screw rod gear is moved to the position contacted with the travel switch, and the adjustment of the limit position can be completed.
Preferably, the limiting mechanism further comprises a switch collision block and a switch support, the travel switch is fixed to the fixed end cover assembly, the switch collision block is connected with the switch support in a sliding mode, the travel switch is fixed to the switch support, the switch collision block is arranged between the travel switch and the intermediate gear, and when the motor stroke is at the limiting position, one of the first lead screw gear or the second lead screw gear is in contact with the switch collision block.
The utility model has the advantages that: (1) the requirements of electric control and manual control can be met simultaneously, and failure can not occur under the condition of power failure or power loss; (2) the built-in brake mechanism can be well stopped at a required position; (3) the limiting mechanism can effectively limit the limit position of the electric driving mechanism; (4) the limit position of the limiting mechanism can be adjusted according to actual needs, and requirements of curtains with different heights are met.
Drawings
Fig. 1 is a schematic structural diagram of the present invention;
fig. 2 is an exploded view of the present invention;
FIG. 3 is an enlarged view of a portion of FIG. 2 at A;
fig. 4 is a partially enlarged view at B in fig. 2.
In the figure: the device comprises a fixed end cover assembly 1, a motor pipe 2, a manual driving mechanism 3, a first worm 3.1, a first worm wheel 3.2, an extension rod 3.3, a driving head 3.4, a worm gasket 3.5, an electric driving mechanism 4, a motor 4.1, a speed reduction connecting piece 4.2, a direct current speed reducer 4.3, a brake mechanism 5, an electromagnet outer sleeve 5.1, an electromagnet winding assembly 5.2, an electromagnet push rod 5.3, a brake rod 5.4, a limiting mechanism 6, an intermediate gear 6.1, a stroke inner sleeve 6.1, a stroke switch 6.2, a left-handed screw rod 6.3, a right-handed screw rod 6.4, a first screw rod gear 6.5, a second screw rod gear 6.6, a first adjusting worm 6.7, a second adjusting worm 6.8, a first adjusting worm wheel shaft 6.9, a second adjusting worm wheel shaft 6.10, a switch collision block 6.11, a switch bracket 6.12, an intermediate gear 6.13 and a long tooth shaft 6.14.
Detailed Description
The invention is further described with reference to the accompanying drawings and specific embodiments.
Example 1:
as shown in fig. 1 and 2, a tubular motor mini hand cranking device comprises a fixed end cover assembly 1, a motor tube 2, a manual driving mechanism 3, an electric driving mechanism 4, a fixed end cover assembly 1 and a limiting mechanism 6. The end part of the motor pipe 2 is provided with a direct current reducer 4.3; the fixed end cover component 1 is provided with a square shaft which is inserted into the fixed base so as to fix the whole motor, the motor pipe 2 is coaxially fixed with a central aluminum pipe on the curtain of the direct current speed reducer 4.3, and the motor pipe 2 rotates to drive the central aluminum pipe on the curtain to rotate so as to realize the up-and-down movement of the curtain.
As shown in fig. 3, the manual driving mechanism 3 is arranged inside the motor tube 2, and the output end of the manual driving mechanism 3 is fixed with the motor tube 2; the manual driving mechanism 3 comprises a first worm 3.1, a first worm wheel 3.2, an extension rod 3.3 and a driving head 3.4, the first worm 3.1 and the first worm wheel 3.2 are respectively connected with the fixed end cover in a rotating mode, and a worm gasket 3.5 is arranged at the end portion of the first worm 3.1. The first worm 3.1 is meshed with the first worm wheel 3.2, an inner hexagonal counter bore matched with the wrench is formed in the first worm 3.1, the first worm wheel 3.2 is fixed with the extension rod 3.3, one end of the extension rod 3.3 is fixed with the driving head 3.4, and the driving head 3.4 is fixed with the motor pipe 2.
As shown in fig. 4, the electric driving mechanism 4 is disposed inside the motor tube 2, and an output end of the electric driving mechanism 4 is fixed to the motor tube 2. The electric driving mechanism 4 comprises a motor 4.1, a speed reducing connecting piece 4.2 and a brake mechanism 5, one output end of the motor 4.1 is connected with the speed reducing connecting piece 4.2, and the speed reducing connecting piece 4.2 is fixed with the motor pipe 2. The brake mechanism 5 is connected with the other output end of the motor 4.1.
As shown in fig. 4, the brake mechanism 5 includes an electromagnet outer sleeve 5.1, an electromagnet winding assembly 5.2, an electromagnet push rod 5.3 and a brake lever 5.4, the electromagnet outer sleeve 5.1 is fixed to the fixed end cover assembly 1, the electromagnet winding assembly 5.2 is fixed to the electromagnet outer sleeve 5.1, the electromagnet push rod 5.3 is arranged in the electromagnet winding assembly 5.2 and is slidably connected to the electromagnet winding assembly 5.2, the brake lever 5.4 is fixed to the output end of the motor 4.1, and the electromagnet push rod 5.3 is in contact with the brake lever 5.4. When braking, the current is input through the electronic module, so that the power supply of the electromagnet winding assembly 5.2 generates a magnetic field to push the electromagnet push rod 5.3 to move towards the brake rod 5.4, and the soft contact concave-convex fan-shaped structure with silica gel is utilized to lock the electromagnet push rod and the brake rod 5.4.
As shown in fig. 3, the limiting mechanism 6 comprises an electric control bracket, a middle gear 6.13, a stroke inner sleeve 6.1, a stroke switch 6.2, a left-handed screw rod 6.3, a right-handed screw rod 6.4, a first adjusting worm 6.7, a second adjusting worm 6.8, a first adjusting worm wheel shaft 6.9, a second adjusting worm wheel shaft 6.10, a switch collision block 6.11 and a switch bracket 6.12, the electric control bracket is fixed with the fixed end cover assembly 1, the middle gear 6.13, the left-handed screw rod 6.3 and the right-handed screw rod 6.4 are respectively connected with the fixed end cover assembly 1 in a rotating manner, a first screw rod gear 6.5 is arranged on the left-handed screw rod 6.3, a first screw rod gear 6.5 is connected with a left-handed thread on the left-handed screw rod 6.3, a second screw rod gear 6.6 is arranged on the right-handed screw rod 6.4, the second screw rod gear 6.6 is connected with a right-handed thread on the right-handed screw rod 6.4, the stroke inner sleeve 6.1 is fixed with the motor pipe 2, the stroke inner sleeve 6.1 is meshed with the middle gear 6.13, and a long gear 6.14 is arranged on the middle gear 6.6.6, the first lead screw gear 6.5 and the second lead screw gear 6.6 are respectively meshed with the long gear shaft 6.14, the travel switch 6.2 is fixed with the fixed end cover assembly 1, the switch collision block 6.11 is connected with the switch support 6.12 in a sliding mode, the travel switch 6.2 is fixed with the switch support 6.12, the switch collision block 6.11 is arranged between the travel switch 6.2 and the intermediate gear 6.13, and when the motor stroke is at the limit position, one of the first lead screw gear 6.5 or the second lead screw gear 6.6 is in contact with the switch collision block 6.11. The first adjusting worm 6.7, the second adjusting worm 6.8, the first adjusting worm wheel shaft 6.9 and the second adjusting worm wheel shaft 6.10 are respectively connected with the fixed end cover assembly 1 in a rotating mode, the first adjusting worm 6.7 is meshed with the first adjusting worm wheel shaft 6.9, the second adjusting worm 6.8 and the second adjusting worm wheel shaft 6.10 are fixed, the first adjusting worm wheel shaft 6.9 is fixed with the left-handed screw rod 6.3, and the second adjusting worm wheel shaft 6.10 is fixed with the right-handed screw rod 6.4. And a screw rod spring and a flat gasket which are concentric are respectively arranged between the left-handed screw rod 6.3 and the right-handed screw rod 6.4 and the electric control bracket, so that the elastic effect can be realized in the transmission of torque force, and the phenomenon of clamping stagnation in the movement can be avoided.
Under the condition of power-on, a power input wire passes through a wire position hole in the fixed end cover component 1, passes through the electric control support, and is respectively connected into two micro switches through leads to enable the power input wire to be in a working state, and is additionally connected with leads welded in a lead combined copper ring (concave), the lead combined copper ring (convex) and the lead combined copper ring (concave) are tightly attached together, lead-out leads are welded on the lead combined copper ring (concave), the lead-out leads are welded in an electronic module provided with a rectifier bridge stack and a relay, and are respectively connected into a motor 4.1 and an electromagnet winding component 5.2 through an electronic module output lead.
When the driving head 3.4 rotates, four holes in the middle of the driving head are matched with four cylindrical pins protruding in the wire combination shell, and the torsion is transmitted to the wire combination shell and the wire combination shell rotates along with the driving head 3.4. The wire combination spring is added in the matching of the wire combination spring and the wire combination shell, so that the problems of axial and radial vibration of the wire combination shell can be better solved; the wire combination shell is rotated, meanwhile, eight groups of wire combination copper rings (outer protrusions) are driven to rotate, the eight groups of wire combination copper rings (outer protrusions) are in friction contact with the wire combination copper rings (inner recesses), therefore, wires cannot be damaged due to the fact that the wires are entangled when the wire combination shell rotates, a wire combination inner core is designed for fixing the center of the wire combination copper rings (inner recesses) 21, and an extending structure is arranged in the wire combination inner core and matched with a stroke switch 6.2 support, so that the effect of fixing the wire combination inner core is achieved. The travel switch 6.2 bracket and the electric control bracket are fixed by screws; the electric control bracket is fixed on the inner end cover through 2 ST3.5X19 cross recessed countersunk head screws, so that the fixing effect is achieved.
In the technical scheme, the manual driving mechanism 3 and the electric driving mechanism 4 can respectively drive the motor pipe 2 to rotate, and under the power-on condition, the electric driving mechanism 4 is utilized to transmit the torsion to the central aluminum pipe of the curtain, so that the central aluminum pipe rotates along with the motor pipe 2 to drive the curtain arranged on the central aluminum pipe to rotate, and the stretching, the contraction and the up-and-down movement of the curtain are met. Under the condition of power failure, the manual driving mechanism 3 is utilized to drive the motor pipe 2 and the central aluminum pipe to rotate, so that the central aluminum pipe is driven to rotate to achieve the purposes of extending and contracting and moving up and down of the curtain, and the requirement that the motor can move up and down under the condition of power failure to achieve the effects of shading and shading sun is met. An electric control system is arranged in the motor pipe 2 and used for controlling the electric driving mechanism 4 to realize remote control and remote control. When the motor 4.1 is used for driving, the motor tube 2 can synchronously drive the stroke inner sleeve 6.1 to rotate, the stroke inner sleeve 6.1 enables the intermediate gear 6.13 to rotate, the long gear shaft 6.14 on the intermediate gear 6.13 drives the first lead screw gear 6.5 and the second lead screw gear 6.6 to move along the axis, when one of the first lead screw gear 6.5 and the second lead screw gear 6.6 moves to the end position and is in contact with the stroke switch 6.2, the stroke switch 6.2 is triggered to work, the motor 4.1 is limited to continue to rotate, and therefore the maximum or minimum stroke of the motor is determined. When the screw rod gear reaches the stroke point and moves in the opposite direction, the stroke switch 6.2 can be reset. The worm gear and worm structure has a self-locking function, and when the worm gear and worm structure is not adjusted, the left-handed screw 6.3 and the right-handed screw 6.4 cannot drive the first adjusting worm 6.7 and the second adjusting worm 6.8 to rotate. When the adjustment is needed, the curtain is adjusted to the upper limit position, then the handle extends into the hexagonal socket hole in the first adjusting worm 6.7, the first lead screw gear 6.5 is moved to the position contacting with the travel switch 6.2, then the curtain is adjusted to the lower limit position, the handle extends into the hexagonal socket hole in the second adjusting worm 6.8, the second lead screw gear 6.6 is moved to the position contacting with the travel switch 6.2, and the adjustment of the limit position can be completed.
The utility model has the advantages that: (1) the requirements of electric control and manual control can be met simultaneously, and failure can not occur under the condition of power failure or power loss; (2) the built-in brake mechanism 5 can be well stopped at a required position; (3) the limiting mechanism 6 can effectively limit the limit position of the electric driving mechanism 4; (4) the limit position of the limiting mechanism 6 can be adjusted according to actual needs, and requirements of curtains with different heights are met.
Claims (10)
1. A tubular motor mini hand cranking device, characterized by includes:
fixing the end cover assembly;
the motor pipe is used for transmitting driving force and is rotationally connected with the fixed end cover component;
the manual driving mechanism is used for manually driving the motor pipe to rotate, the manual driving mechanism is arranged in the motor pipe, and the output end of the manual driving mechanism is fixed with the motor pipe;
and the electric driving mechanism is used for electrically driving the motor pipe to rotate, the electric driving mechanism is arranged in the motor pipe, and the output end of the electric driving mechanism is fixed with the motor pipe.
2. The tubular motor mini hand cranking device as claimed in claim 1, wherein the manual driving mechanism comprises a first worm, a first worm wheel, an extension rod and a driving head, the first worm and the first worm wheel are respectively and rotatably connected with the fixed end cover, the first worm and the first worm wheel are meshed, the first worm wheel is fixed with the extension rod, one end of the extension rod is fixed with the driving head, and the driving head is fixed with the motor tube.
3. The tubular motor mini hand crank of claim 2, wherein the end of the first worm is provided with a worm washer.
4. The miniature hand cranking device with tubular electric motor as claimed in claim 1, 2 or 3, wherein said electric driving mechanism comprises a motor and a speed reducing connector, wherein an output end of the motor is connected with the speed reducing connector, and the speed reducing connector is fixed with the motor tube.
5. The tubular motor mini hand cranking device as claimed in claim 4, wherein the electric driving mechanism further comprises a brake mechanism, and the brake mechanism is connected to the other output terminal of the motor.
6. The tubular motor mini hand cranking device as claimed in claim 5, wherein the braking mechanism comprises an electromagnet housing, an electromagnet winding assembly, an electromagnet push rod and a brake lever, the electromagnet housing is fixed to the fixed end cover assembly, the electromagnet winding assembly is fixed to the electromagnet housing, the electromagnet push rod is disposed in the electromagnet winding assembly and slidably connected to the electromagnet winding assembly, the brake lever is fixed to the output end of the motor, and the electromagnet push rod is in contact with the brake lever.
7. The mini hand-cranking device with tubular motors as claimed in claim 1, 2 or 3, wherein the end of the motor tube is provided with a DC reducer, and the manual driving mechanism and the electric driving mechanism are both connected with the motor tube through the DC reducer.
8. The tubular motor mini hand-cranking device as claimed in claim 1, 2 or 3, further comprising a limiting mechanism, wherein the limiting mechanism comprises a middle gear, a travel inner sleeve, a travel switch, a left-handed screw rod and a right-handed screw rod, the middle gear, the left-handed screw rod and the right-handed screw rod are respectively rotatably connected with the fixed end cover assembly, the left-handed screw rod is provided with a first screw rod gear, the first screw rod gear is connected with a left-handed thread on the left-handed screw rod, the right-handed screw rod is provided with a second screw rod gear, the second screw rod gear is connected with a right-handed thread on the right-handed screw rod, the travel inner sleeve is coaxially fixed with the motor tube, the travel inner sleeve is meshed with the middle gear, the middle gear is provided with a long toothed shaft, the first screw rod gear and the second screw rod gear are respectively meshed with the long toothed shaft, and the travel switch is arranged at one end of the middle gear and fixed with the fixed end cover assembly.
9. The tubular motor mini hand cranking device as claimed in claim 8, wherein the limiting mechanism further comprises a first adjusting worm, a second adjusting worm, a first adjusting worm gear shaft and a second adjusting worm gear shaft, the first adjusting worm, the second adjusting worm, the first adjusting worm gear shaft and the second adjusting worm gear shaft are respectively rotatably connected with the fixed end cover assembly, the first adjusting worm is meshed with the first adjusting worm gear shaft, the second adjusting worm and the second adjusting worm gear shaft are fixed with the left-handed screw rod, and the second adjusting worm gear shaft is fixed with the right-handed screw rod.
10. The tubular motor mini hand cranking device as claimed in claim 8, wherein the limiting mechanism further comprises a switch striking block and a switch bracket, the travel switch is fixed to the fixed end cover assembly, the switch striking block is slidably connected to the switch bracket, the travel switch is fixed to the switch bracket, the switch striking block is disposed between the travel switch and the intermediate gear, and when the motor stroke is at the limit position, one of the first lead screw gear or the second lead screw gear contacts the switch striking block.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220592642.5U CN217135309U (en) | 2022-03-17 | 2022-03-17 | Tubular motor mini hand cranking device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220592642.5U CN217135309U (en) | 2022-03-17 | 2022-03-17 | Tubular motor mini hand cranking device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217135309U true CN217135309U (en) | 2022-08-05 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202220592642.5U Active CN217135309U (en) | 2022-03-17 | 2022-03-17 | Tubular motor mini hand cranking device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217135309U (en) |
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2022
- 2022-03-17 CN CN202220592642.5U patent/CN217135309U/en active Active
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