CN211525387U - Magnetic centrifugal electric curtain automatic clutch - Google Patents
Magnetic centrifugal electric curtain automatic clutch Download PDFInfo
- Publication number
- CN211525387U CN211525387U CN202020061513.4U CN202020061513U CN211525387U CN 211525387 U CN211525387 U CN 211525387U CN 202020061513 U CN202020061513 U CN 202020061513U CN 211525387 U CN211525387 U CN 211525387U
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- Prior art keywords
- bottom plate
- output
- shaft
- input camshaft
- circular bottom
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Images
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- Curtains And Furnishings For Windows Or Doors (AREA)
Abstract
The utility model discloses a centrifugal electric window curtain automatic clutch of magnetic force, including input camshaft and output T shape axle, the input camshaft connects the motor shaft, output T shape hub connection (window) curtain driving wheel axle, input camshaft includes the step shaft and the cam body, the cover has output T shape axle on the input camshaft, output T shape axle includes the hollow shaft, the dish lid, the arc wall, the last circular bottom plate that has cup jointed of input camshaft, circular bottom plate and dish lid are connected with one heart, the bottom surface of circular bottom plate is equipped with the groove, be equipped with the magnetic ring in the groove, be equipped with two steel balls on the circular bottom plate, the cam body both sides are arranged in to the steel ball. The utility model has simple and reliable structure, flexible and convenient use and high cost performance; the coupling element steel ball and the cam body are not directly contacted with the magnetic element-magnetic ring, so that the magnetic ring is not easy to damage under the impact and friction of the steel ball when the clutch is started, stopped and operated; the utility model discloses the structure is applicable to all clutches that leave (uninstallation) when requiring motor rotation time joint (load), stall.
Description
Technical Field
The utility model relates to a clutch, in particular to a magnetic centrifugal type electric curtain automatic clutch.
Background
At present, along with the improvement of living standard and the pursuit of beautiful life of people, higher requirements are put forward on indoor lighting, ventilation and the like, so that the popularization of the electric curtain is further promoted, meanwhile, the development of an electronic control technology, particularly the deep application of the internet and big data, promotes the intellectualization of the electric curtain, and a clutch is an important control component of the electric curtain; the traditional electric curtain clutch generally uses a coil and an electronic control system or manual mechanical clutch, the former has complex structure, high cost and easy failure, and the latter needs manual clutch which is not convenient and smooth;
the prior art is improved, but has the following defects that the mechanical strength is not enough and the mechanical strength is easy to damage, for example: although the "power curtain clutch" disclosed in application No. 201820940146.8 and publication No. CN 208417320U is an improvement over the prior art in that the coupling element, i.e., the magnetic steel ball, is modified to be a pure iron steel ball, thereby increasing the mechanical strength, it is stated explicitly in claim 1 that "the clutch coupling steel ball contacts both the clutch magnet and the clutch input shaft", which means that the magnetic element is still in dynamic direct contact with the metal member load. The magnetic part is a brittle material, has poor pressure resistance and impact resistance, and is in heavy-load impact of repeated starting and stopping of the electric curtain, so the electric curtain is easy to damage and generate faults, the use of the electric curtain is directly influenced, and troubles are brought to users.
Disclosure of Invention
The utility model overcomes the defects and deficiencies of the prior art and provides a magnetic centrifugal automatic clutch with simple structure, safety, reliability, economy and durability for the electric curtain. The automatic clutch can ensure that the curtain is automatically jointed when the motor runs to drag the curtain (load) to run, the motor automatically breaks away from the load when the motor stops, the curtain can be easily and smoothly moved by manpower, and the service life of the coupling device, namely the steel ball and the magnet is ensured, thereby fundamentally ensuring the reliability of the clutch.
In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a centrifugal electric curtain automatic clutch of magnetic force, including input camshaft and output T shape axle, input camshaft connects the motor shaft, output T shape hub connection curtain driving wheel axle, input camshaft includes step shaft and cam body, the cover has output T shape axle on the input camshaft, output T shape axle includes hollow shaft, dish lid, arc wall, the last circular base plate that has cup jointed of input camshaft, circular base plate and dish lid are connected with one heart, the bottom surface of circular base plate is equipped with the circular slot, inherent magnetic ring in the circular slot, two steel balls have been put on the circular base plate, the steel ball is arranged in cam body both sides.
The utility model discloses a further improvement lies in: the cam body is a rhomboid cam, has an upper plane and a lower plane and is axisymmetric.
The utility model discloses a further improvement lies in: a plurality of arc-shaped grooves are uniformly formed in the vertical side of the inner circular cavity of the plate cover, the radius of each arc-shaped groove is larger than that of each steel ball, and the arc-shaped grooves are centrosymmetric.
The utility model discloses a further improvement lies in: the input camshaft, the output T-shaped shaft, the circular bottom plate and the magnetic ring are arranged concentrically.
The utility model discloses a further improvement lies in: the central hole of the round bottom plate is in clearance fit (movable fit) with the outer edge of the stepped shaft.
Compared with the prior art, the beneficial effects of the utility model are that:
the utility model has simple and reliable structure, flexible and convenient use and high cost performance; the coupling element steel ball and the cam body are not directly contacted with the magnetic element-magnetic ring, so that the magnetic ring is not easy to damage under the impact and friction of the steel ball when the clutch is started, stopped and operated; the utility model discloses the structure is applicable to all clutches that leave (uninstallation) when requiring motor rotation time joint (load), stall.
Drawings
Fig. 1 is a schematic view of the vertical structure of the present invention;
FIG. 2 is a schematic view of an overhead structure of a camshaft;
FIG. 3 is a schematic view of the structure of the tray body facing upward;
FIG. 4 is a schematic view of the upward position of the steel balls and the cam body when the clutch is static;
FIG. 5 is a schematic view of the upward position of the steel balls and the cam body when the clutch is rotating;
FIG. 6 is a schematic view of the upward position of the steel balls and the cam body when the clutch is stopped;
in the figure: 1-input camshaft, 101-shaft column, 102-cam body, 2-output T-shaped shaft, 201-hollow shaft, 202-disc body, 3-steel ball, 4-round bottom plate, 5-magnetic ring, 6-motor shaft and 7-curtain transmission wheel shaft.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
It should be noted that the embodiments and features of the embodiments in the present application may be combined with each other without conflict. The present invention will be described in detail below with reference to the accompanying drawings in conjunction with embodiments.
Referring to fig. 1-6, the present embodiment provides a technical solution: a magnetic centrifugal type electric curtain automatic clutch comprises an input cam shaft 1 and an output T-shaped shaft 2, wherein the input cam shaft 1 is connected with a motor shaft 6, the output T-shaped shaft 2 is connected with a curtain transmission shaft 7, the input cam shaft 1 comprises a stepped shaft 101 and a cam body 102, the cam body 102 is a rhombic cam, the upper plane and the lower plane are in axial symmetry, the output T-shaped shaft 2 is sleeved on the input cam shaft 1, the output T-shaped shaft 2 comprises a hollow shaft 201, a disc cover 202 and an arc-shaped groove 203, a round bottom plate 4 is sleeved on the input cam shaft 1, the round bottom plate 4 is concentrically connected with the disc cover 202, a round groove is formed in the bottom surface of the round bottom plate 4, a magnetic ring 5 is fixed in the round groove, two steel balls 3 are arranged on the round bottom plate 4, and. A plurality of arc-shaped grooves 203 are uniformly formed in the vertical side of the inner cavity of the disc cover 202, the radius of each arc-shaped groove 203 is larger than that of each steel ball 3, and the arc-shaped grooves 203 are centrosymmetric. The input camshaft 1, the output T-shaped shaft 2, the round bottom plate 4 and the magnetic ring 5 are arranged concentrically. The central hole of the round bottom plate 4 is in clearance fit with the outer edge of the stepped shaft 101.
The utility model discloses the clutch is when static, steel ball 3 is positioned on the round axle face of cam body both sides magnetic ring 5 (see figure 4) down in the magnetic attraction of the magnetic ring 5 of 4 bottom surfaces of round bottom plate, when the motor shaft drives input camshaft 1 and rotates, steel ball 3 of its cam body 102 both sides rolls to the arc wall 203 of disk body 202 of output T-shaped shaft 2 under centrifugal force and the promotion of cam body 102, and steel ball 3 pastes tight arc wall 203 under the effect of centrifugal force, and steel ball 3 blocks cam body 102 (see figure 5) after getting into arc wall 203 of disk body 202, so pivoted input camshaft 1 just drives output T-shaped shaft 2 and rotates together, because the hollow shaft section of thick bamboo of output T-shaped shaft 2 and curtain driving wheel axle 7 rigid coupling, so drag curtain driving wheel axle 7 to rotate, thereby drive the removal of curtain drive belt and curtain; when the motor stops rotating, centrifugal force disappears, the steel balls 3 leave the arc-shaped grooves 203 of the disc body 202 of the output T-shaped shaft 2 under the action of the attraction force of the magnetic ring 5, the steel balls 3 are positioned on the circular bottom plate 4 (see figure 6), and then the output T-shaped shaft 2 can freely rotate, so that the curtain can be manually and easily pulled to move.
The utility model discloses the separation and reunion is more smooth, reliable: the utility model discloses a fastener is spherical steel ball, when the fastener rolls in the structure and will arrange in or roll out the recess and realize the separation, spherical fastener is more smooth, reliable than cylindrical fastener.
The clamping piece has high strength: the utility model discloses a fastener is the steel material to for spherical structure, intensity are big, and are not fragile.
The utility model discloses the wholeness can be more reliable, durable: the magnetic ring and the clamping piece are separated from each other by an object (a round bottom plate) and are not impacted, and the magnetic force is not influenced, so that the whole performance is more reliable and durable.
It is noted that the terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of example embodiments according to the present application. As used herein, the singular forms "a", "an" and "the" are intended to include the plural forms as well, and it should be understood that when the terms "comprises" and/or "comprising" are used in this specification, they specify the presence of stated features, steps, operations, devices, components, and/or combinations thereof, unless the context clearly indicates otherwise.
It should be noted that the terms "first," "second," and the like in the description and claims of this application and in the drawings described above are used for distinguishing between similar elements and not necessarily for describing a particular sequential or chronological order. It is to be understood that the terms so used are interchangeable under appropriate circumstances such that the embodiments of the application described herein are, for example, capable of operation in sequences other than those illustrated or otherwise described herein. Furthermore, the terms "comprises," "comprising," and "having," and any variations thereof, are intended to cover a non-exclusive inclusion, such that a process, system, article, or apparatus that comprises a list of steps or elements is not necessarily limited to those steps or elements expressly listed, but may include other steps or elements not expressly listed or inherent to such process, article, or apparatus.
Spatially relative terms, such as "above … …," "above … …," "above … …," "above," and the like, may be used herein for ease of description to describe one device or feature's spatial relationship to another device or feature as illustrated in the figures. It will be understood that the spatially relative terms are intended to encompass different orientations of the device in use or operation in addition to the orientation depicted in the figures. For example, if a device in the figures is turned over, devices described as "above" or "on" other devices or configurations would then be oriented "below" or "under" the other devices or configurations. Thus, the exemplary term "above … …" can include both an orientation of "above … …" and "below … …". The device may be otherwise variously oriented (rotated 90 degrees or at other orientations) and the spatially relative descriptors used herein interpreted accordingly.
Exemplary embodiments according to the present application will now be described in more detail with reference to the accompanying drawings. These exemplary embodiments may, however, be embodied in many different forms and should not be construed as limited to only the embodiments set forth herein. It is to be understood that these embodiments are provided so that this disclosure will be thorough and complete, and will fully convey the concept of the exemplary embodiments to those skilled in the art, in the drawings, it is possible to enlarge the thicknesses of layers and regions for clarity, and the same devices are denoted by the same reference numerals, and thus the description thereof will be omitted.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (5)
1. The utility model provides a centrifugal electric curtain automatic clutch of magnetic force, includes input camshaft (1) and output T axle (2), input camshaft (1) is connected motor shaft (6), output T axle (2) are connected curtain drive wheel (7), its characterized in that: the input camshaft (1) comprises a stepped shaft (101) and a cam body (102), the output T-shaped shaft (2) is sleeved on the input camshaft (1), the output T-shaped shaft (2) comprises a hollow shaft (201), a disc cover (202) and an arc-shaped groove (203), a circular bottom plate (4) is sleeved on the input camshaft (1), the circular bottom plate (4) is concentrically connected with the disc cover (202), a circular groove is formed in the bottom surface of the circular bottom plate (4), a magnetic ring (5) is fixed in the circular groove, two steel balls (3) are arranged on the circular bottom plate (4), and the steel balls (3) are arranged on two sides of the cam body (102).
2. The automatic clutch of claim 1, wherein: the cam body (102) is a rhombus cam, is provided with an upper plane and a lower plane, and is axisymmetric.
3. The automatic clutch of claim 1, wherein: a plurality of arc-shaped grooves (203) are uniformly formed in the vertical side of the inner cavity of the disc cover (202), the radius of each arc-shaped groove (203) is larger than that of the steel ball (3), and the arc-shaped grooves (203) are centrosymmetric.
4. The automatic clutch of claim 1, wherein: the input camshaft (1), the output T-shaped shaft (2), the circular bottom plate (4) and the magnetic ring (5) are arranged concentrically.
5. The automatic clutch of claim 1, wherein: the central hole of the round bottom plate (4) is in clearance fit with the outer edge of the stepped shaft (101).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020061513.4U CN211525387U (en) | 2020-01-13 | 2020-01-13 | Magnetic centrifugal electric curtain automatic clutch |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020061513.4U CN211525387U (en) | 2020-01-13 | 2020-01-13 | Magnetic centrifugal electric curtain automatic clutch |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211525387U true CN211525387U (en) | 2020-09-18 |
Family
ID=72468918
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020061513.4U Expired - Fee Related CN211525387U (en) | 2020-01-13 | 2020-01-13 | Magnetic centrifugal electric curtain automatic clutch |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211525387U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113280052A (en) * | 2021-06-30 | 2021-08-20 | 宁波森富利电机有限公司 | Clutch, clutch, motor device, curtain control device and curtain |
| CN114060429A (en) * | 2021-11-10 | 2022-02-18 | 广州市好的门窗有限公司 | Clutch of motor |
-
2020
- 2020-01-13 CN CN202020061513.4U patent/CN211525387U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113280052A (en) * | 2021-06-30 | 2021-08-20 | 宁波森富利电机有限公司 | Clutch, clutch, motor device, curtain control device and curtain |
| CN114060429A (en) * | 2021-11-10 | 2022-02-18 | 广州市好的门窗有限公司 | Clutch of motor |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20200918 |