CN214331259U - Manual lifting device of curtain - Google Patents
Manual lifting device of curtain Download PDFInfo
- Publication number
- CN214331259U CN214331259U CN202120219155.XU CN202120219155U CN214331259U CN 214331259 U CN214331259 U CN 214331259U CN 202120219155 U CN202120219155 U CN 202120219155U CN 214331259 U CN214331259 U CN 214331259U
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Abstract
The utility model relates to a manual curtain lifting device, which comprises a rotating main shaft connected with a curtain winding drum and a hand lever, wherein the rotating main shaft is fixedly provided with a first gear and movably sleeved with a driving wheel and a compression spring, the driving wheel can be driven by a driving device to rotate, and the compression spring is used for pushing the driving wheel to be combined with the first gear; the drive wheel is connected with the dropout push pedal, the hand rocker with dropout push pedal sliding connection, be equipped with the second gear on the hand rocker, through promoting the hand rocker can promote the dropout push pedal, and then promotes the drive wheel with first gear breaks away from the union, this moment the second gear with first gear engagement. The technical problems that an existing curtain lifting device is inconvenient to switch electrically and manually and complex to operate are solved.
Description
Technical Field
The utility model belongs to the technical field of stage equipment and specifically relates to a manual elevating gear of curtain is related to.
Background
People often see scenes that curtains in large places such as stage performances and theaters automatically open and close and lift. The curtain automatically switches lifting and stopping actions through remote control, so that the stage is more mysterious and glaring, and audiences can obtain better watching experience. In the practical use condition of the power curtain, the abnormal working state of motor damage and power failure is a problem which must be considered. The manual function of the existing electric curtain is not perfect, when the electric curtain is switched to the manual curtain, a brake of a motor needs to be disengaged firstly, so that the motor is not locked any more, and then the curtain is pulled to open and close. Therefore, the existing curtain lifting device has the defects of inconvenient electric and manual switching and complex operation.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to overcome above-mentioned prior art not enough, provide a manual elevating gear of curtain, it has electronic manual switching inconvenience, complex operation's technical problem to solve current curtain elevating gear.
The purpose of the utility model is realized through the following technical scheme:
a manual curtain lifting device comprises a rotating main shaft and a hand lever, wherein the rotating main shaft is used for being connected with a curtain winding drum, a first gear is fixedly arranged on the rotating main shaft, a driving wheel and a compression spring are movably sleeved on the rotating main shaft, the driving wheel can be driven by driving equipment to rotate, and the compression spring is used for pushing the driving wheel to be combined with the first gear; the drive wheel is connected with the dropout push pedal, the hand rocker with dropout push pedal sliding connection, be equipped with the second gear on the hand rocker, through promoting the hand rocker can promote the dropout push pedal, and then promotes the drive wheel with first gear breaks away from the union, this moment the second gear with first gear engagement.
Furthermore, in the above scheme, the hand rocker is vertical, the second gear is located the hand rocker top, first gear with the second gear is bevel gear, pushes up during the hand rocker, first gear with the meshing of second gear.
Furthermore, in the above scheme, the tripping push plate is provided with an inclined sliding hole, one side of the hand rocker is connected with a push arm, the push arm is provided with a push rod which penetrates through the inclined sliding hole, and when the hand rocker is pushed up, the push rod moves upwards, so that the driving wheel is pushed to move along the direction of disengaging from the joint.
Furthermore, in the above scheme, still including the protection box, the first end of curtain reel is equipped with and is used for supporting the first bearing frame of rotation main shaft, the first end of rotation main shaft passes first bearing frame and outwards extend out certain length, and the protection box is fixed to be located the outside of bearing frame, first gear, drive wheel and compression spring all are enclosed inside the protection box.
Furthermore, in the above scheme, open on the bottom plate of protection box and allow the spacing hole that the hand cranking bar passed, through spacing hole restriction the hand cranking bar can only reciprocate in vertical direction.
Furthermore, in the above scheme, a top plate of the protection box is provided with a window allowing a conveyor belt to freely pass through, the conveyor belt winds around the driving device upwards and winds around the driving wheel downwards, and the driving device can drive the driving wheel to rotate.
Furthermore, in the above scheme, an indication plate is rotatably mounted on one side of the driving wheel, an indication hole allowing the indication plate to extend out is formed in a side wall of the protection box, and one end of the indication plate extends out of the indication hole, so that whether the driving wheel and the first gear are in a combined state or not can be known by observing the indication plate;
the tripping push plate is fixedly arranged on the indicating plate, and when the tripping push plate moves, the driving wheel is pushed to rotate through the indicating plate.
Furthermore, in the above scheme, a rotating bearing is arranged between the driving wheel and the rotating main shaft, the driving wheel is fixedly connected with an outer ring of the rotating bearing, and the indicating plate is sleeved on the rotating bearing and movably connected with the rotating bearing.
Furthermore, in the above scheme, one side of the rolling bearing, which faces the first gear, is fixedly connected with a coupler, the indicator plate is arranged between the coupler and the driving wheel, the coupler is provided with a plurality of combination pins, one side of the first gear, which faces the coupler, is provided with a plurality of combination holes corresponding to the combination pins, and when the combination pins are inserted into the combination holes, the first gear is combined with the driving wheel.
Furthermore, in the above scheme, an end cover is disposed at an end of the first end of the rotating main shaft, the driving wheel is disposed on a side of the first gear far away from the first bearing seat, and the compression spring is compressed between the end cover and the driving wheel.
The utility model discloses following beneficial effect has: the utility model provides a manual curtain lifting device, when needing to be switched from an electric state to a manual state, the driving wheel and a first gear can be separated from combination only by pushing a hand lever to push the driving wheel, and the rotation of the first gear and a rotating main shaft is not limited by the driving wheel; meanwhile, a second gear installed on the hand-operated rod is meshed with the first gear, the hand-operated rod is rotated, the first gear can be driven to rotate through the second gear, the rotation of the rotating main shaft can be manually driven, and the manual lifting function of the curtain is realized. Consequently, this scheme need not to throw off the stopper of motor when carrying out electronic switching to manual, only needs can realize switching and manual lift through the hand rocker, and convenient operation is swift. When the manual state is required to be switched to the electric state, the hand-operated rod is only required to be pulled to reset, at the moment, under the pushing of the compression spring, the driving wheel can be combined with the first gear, and therefore the driving wheel can drive the rotating main shaft to rotate, and the curtain electric lifting function is achieved.
Drawings
Fig. 1 is a schematic structural view of a manual curtain lifting device of the present invention;
fig. 2 is an internal structure diagram of the manual curtain lifting device of the present invention;
fig. 3 is a partially enlarged schematic view of the manual curtain lifting device of the present invention.
The specific structure in the figure illustrates that: the automatic curtain roller comprises a main rotating shaft 1, a first bearing seat 11, a shaft end cover 12, a hand rocker 2, a second gear 21, a push arm 22, a push rod 23, a driving wheel 3, a coupler 31, a combination pin 32, an indication plate 33, a compression spring 34, a first gear 4, a trip push plate 5, an inclined slide hole 51, a protection box 6, an indication hole 61, a window 62, a curtain roller 7 and a conveyor belt 8.
Detailed Description
The present invention will be described in further detail with reference to the following embodiments shown in the drawings.
Referring to fig. 1-3, a manual curtain lifting device comprises a rotating main shaft 1 connected with a curtain winding drum 7 and a hand lever 2, wherein a first gear 4 is fixedly arranged on the rotating main shaft 1, and a driving wheel 3 and a compression spring 34 are movably sleeved on the rotating main shaft 1, the driving wheel 3 can be driven by a driving device (not shown) to rotate, and the compression spring 34 is used for pushing the driving wheel 3 to be combined with the first gear 4 (that is, when the driving wheel 3 is combined with the first gear 4, the driving wheel 3 rotates to drive the first gear 4 to rotate, and further, the rotating main shaft 1 is driven to rotate); drive wheel 3 is connected with dropout push pedal 5, hand rocker 2 with 5 sliding connection of dropout push pedal, be equipped with second gear 21 on the hand rocker 2, through promoting hand rocker 2 can promote dropout push pedal 5, and then promotes drive wheel 3 with first gear 4 breaks away from the union, this moment second gear 21 with first gear 4 meshing.
In the scheme, when the electric state needs to be switched to the manual state, the driving wheel 3 is pushed only by pushing the hand lever 2, so that the driving wheel 3 and the first gear 4 can be separated from combination, and the rotation of the first gear 4 and the rotating main shaft 1 is not limited by the driving wheel 3; meanwhile, the second gear 21 arranged on the hand lever 2 is meshed with the first gear 4, the hand lever 2 is rotated, the first gear 4 can be driven to rotate through the second gear 21, the manual driving of the rotating main shaft 1 can be achieved, and the manual lifting function of the curtain is achieved. Consequently, this scheme need not to throw off the stopper of motor when carrying out electronic switching to manual, only needs can realize switching and manual lift through the hand rocker, and convenient operation is swift. When the manual state is required to be switched to the electric state, the hand-operated rod 2 is only required to be pulled to reset, at the moment, the driving wheel 3 is combined with the first gear 4 under the pushing of the compression spring 34, and therefore the driving wheel 3 can drive the rotating main shaft 1 to rotate, and the curtain electric lifting function is achieved.
Further, in the above scheme, hand rocker 2 is vertical to be set up, second gear 21 is located 2 tops of hand rocker, first gear 4 with second gear 21 is bevel gear, pushes up during the hand rocker, first gear 4 with second gear 21 meshes. Bevel gears are selected, namely the hand-operated rod 2 and the rotating main shaft 1 can be vertically arranged, and the hand-operated rod 2 extends downwards, so that the manual operation is facilitated.
Furthermore, in the above scheme, the tripping push plate 5 is provided with an inclined sliding hole 51, one side of the hand lever 2 is connected with the push arm 22, the push arm 22 is provided with a push rod 23 which penetrates through the inclined sliding hole 51, and when the hand lever 2 is pushed up, the push rod 23 moves upwards, so that the driving wheel 3 is pushed to move along the direction of separation from the joint. That is, when the manual operation is switched electrically, the driving wheel 3 and the first gear 4 are disengaged from each other and the first gear 4 and the second gear 21 are engaged with each other by only one operation of pushing up the hand lever 2. Therefore, the operation is simple and quick.
Further, in the above scheme, still including protection box 6, the first end of curtain reel 7 is equipped with and is used for supporting first bearing frame 11 of rotation main shaft 1, the first end of rotation main shaft 1 passes first bearing frame 11 and outwards extends out certain length, and protection box 6 is fixed to be located the outside of bearing frame 11, first gear 4, drive wheel 3 and compression spring 34 are all enclosed inside protection box 6. Therefore, the components in the protection box 6 can be protected through the protection box 6, and the normal use function of the components is ensured.
Furthermore, in the above scheme, open on the bottom plate of protection box 6 and allow the spacing hole that hand cranking bar 2 passed, through spacing hole restriction hand cranking bar 2 can only reciprocate in vertical direction. From this, protection box 6 can also provide support and limiting displacement to hand rocker 2, guarantees hand rocker 2's normal action.
Further, in the above scheme, the top plate of the protection box 6 is provided with a window 62 allowing the conveyor belt 8 to freely pass through, the conveyor belt 8 winds around the driving device up and winds around the driving wheel 3 down, and the driving device can drive the driving wheel 3 to rotate.
Furthermore, in the above solution, an indication plate 33 is rotatably mounted on one side of the driving wheel 3, an indication hole 61 allowing the indication plate 33 to extend is formed in a side wall of the protection box 6, and one end of the indication plate 61 extends out of the indication hole 33, so that whether the driving wheel 3 and the first gear 4 are in a combined state can be known by observing the indication plate 33; thus, by observing the position of the indicator plate 33, it is possible to determine whether the rotary spindle 1 is driven manually or electrically.
The trip push plate 5 is fixedly arranged on the indicating plate 33, and when the trip push plate 5 moves, the driving wheel 3 is pushed to rotate through the indicating plate 33.
Furthermore, in the above scheme, a rotating bearing is arranged between the driving wheel 3 and the rotating main shaft 1, the driving wheel 3 is fixedly connected with an outer ring of the rotating bearing, and the indicating plate 33 is sleeved on the rotating bearing and movably connected with the rotating bearing.
Further, in the above scheme, one side of the rotating bearing facing the first gear 4 is fixedly connected with a coupler 31, the indication plate 61 is disposed between the coupler 31 and the driving wheel 4, the coupler 31 is provided with a plurality of combination pins 32, one side of the first gear 4 facing the coupler 31 is provided with a plurality of combination holes corresponding to the combination pins 32, and when the combination pins 32 are inserted into the combination holes, the first gear 4 is combined with the driving wheel 3.
Further, in the above solution, an end of the first end of the rotating main shaft 1 is provided with a shaft cover 12, the driving wheel 3 is provided on a side of the first gear 4 away from the first bearing seat 11, and the compression spring 34 is compressed between the shaft cover 12 and the driving wheel 3.
The above mentioned embodiments are only preferred embodiments of the present invention, and the scope of the present invention should not be limited thereby, that is, all the simple equivalent changes and modifications made according to the claims and the description of the present invention are still included in the scope of the present invention.
Claims (10)
1. A manual curtain lifting device comprises a rotating main shaft connected with a curtain winding drum, and is characterized in that: the device is characterized by further comprising a hand rocker, wherein a first gear is fixedly arranged on the rotating main shaft, and a driving wheel and a compression spring are movably sleeved on the rotating main shaft; the drive wheel is connected with the dropout push pedal, the hand rocker with dropout push pedal sliding connection, be equipped with the second gear on the hand rocker, through promoting the hand rocker can promote the dropout push pedal, and then promotes the drive wheel with first gear breaks away from the union, this moment the second gear with first gear engagement.
2. A manual curtain lifter as claimed in claim 1, wherein: the hand-operated lever is vertically arranged, the second gear is arranged at the top of the hand-operated lever, the first gear and the second gear are bevel gears, and when the hand-operated lever is pushed up, the first gear and the second gear are meshed.
3. A manual curtain lifter as claimed in claim 2, wherein: the tripping device is characterized in that an inclined sliding hole is formed in the tripping push plate, a push arm is connected to one side of the hand rocker, a push rod penetrating through the inclined sliding hole is arranged on the push arm, and when the hand rocker is pushed up, the push rod moves upwards, so that the driving wheel is pushed to move along the direction of disengaging from the joint.
4. A manual curtain lifter as claimed in claim 2, wherein: still including the protection box, the first end of curtain reel is equipped with and is used for supporting the first bearing frame of rotation main shaft, the first end of rotating the main shaft passes first bearing frame and outwards extend certain length, and the protection box is fixed to be located the outside of bearing frame, first gear, drive wheel and compression spring all are enclosed inside the protection box.
5. A manual curtain lifter as claimed in claim 4, wherein: the bottom plate of the protection box is provided with a limiting hole allowing the hand-operated rod to pass through, and the hand-operated rod is limited by the limiting hole and can only rotate and move up and down in the vertical direction.
6. A manual curtain lifter as claimed in claim 4, wherein: the top plate of the protection box is provided with a window allowing a conveyor belt to freely pass through, the conveyor belt winds around the driving device upwards and winds around the driving wheel downwards, and then the driving device can drive the driving wheel to rotate.
7. A manual curtain lifter as claimed in claim 4, wherein: an indicating plate is rotatably arranged on one side of the driving wheel, an indicating hole allowing the indicating plate to extend out is formed in the side wall of the protection box, and one end of the indicating plate extends out of the indicating hole, so that whether the driving wheel and the first gear are in a combined state or not can be known by observing the indicating plate;
the tripping push plate is fixedly arranged on the indicating plate, and when the tripping push plate moves, the driving wheel is pushed to rotate through the indicating plate.
8. A manual curtain lifter as claimed in claim 7, wherein: the indicating plate is sleeved on the rotating bearing and movably connected with the rotating bearing.
9. A manual curtain lifter as claimed in claim 8, wherein: the rotating bearing faces one side of the first gear and is fixedly connected with a coupler, the indicating plate is arranged between the coupler and the driving wheel, a plurality of combination pins are arranged on the coupler, the first gear faces one side of the coupler and is provided with a plurality of combination holes corresponding to the combination pins, and when the combination pins are inserted into the combination holes, the first gear is combined with the driving wheel.
10. A manual curtain lifter as claimed in claim 4, wherein: the end part of the first end of the rotating main shaft is provided with a shaft end cover, the driving wheel is arranged on one side, away from the first bearing seat, of the first gear, and the compression spring is compressed between the shaft end cover and the driving wheel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120219155.XU CN214331259U (en) | 2021-01-26 | 2021-01-26 | Manual lifting device of curtain |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120219155.XU CN214331259U (en) | 2021-01-26 | 2021-01-26 | Manual lifting device of curtain |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214331259U true CN214331259U (en) | 2021-10-01 |
Family
ID=77906793
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120219155.XU Active CN214331259U (en) | 2021-01-26 | 2021-01-26 | Manual lifting device of curtain |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214331259U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114001888A (en) * | 2021-10-27 | 2022-02-01 | 贵州电网有限责任公司 | Portable isolator touches and indicates spring short-term test instrument |
| CN115252145A (en) * | 2022-07-08 | 2022-11-01 | 上海神玑医疗科技有限公司 | Emergency clutch device and blood vessel intervention equipment |
-
2021
- 2021-01-26 CN CN202120219155.XU patent/CN214331259U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114001888A (en) * | 2021-10-27 | 2022-02-01 | 贵州电网有限责任公司 | Portable isolator touches and indicates spring short-term test instrument |
| CN114001888B (en) * | 2021-10-27 | 2024-05-10 | 贵州电网有限责任公司 | Portable quick detection tool for contact finger spring of isolating switch |
| CN115252145A (en) * | 2022-07-08 | 2022-11-01 | 上海神玑医疗科技有限公司 | Emergency clutch device and blood vessel intervention equipment |
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