CN220527809U - Clutch - Google Patents

Abstract

The utility model discloses a clutch, which comprises a shell, wherein a second rotating shaft is rotationally connected to the inner side wall of the shell, one end of the second rotating shaft is fixedly connected with a second gear, a first gear is connected to the side wall of the second gear in a meshed manner, a first rotating shaft is fixedly connected to the side wall of the first gear, one end of the first rotating shaft is rotationally connected to the side wall of the shell, a driven shaft is fixedly connected to the side wall of the first gear, the driven shaft penetrates through the side wall of the shell, a fixed cylinder is fixedly connected to the side wall of the second gear, a driving shaft is rotationally connected to the side wall of the shell, and the driving shaft penetrates through the side wall of the shell. The utility model has reasonable design and ingenious conception, can realize the clutch of the electric curtain by connecting mechanical parts such as the rotating plate, the driving shaft, the limiting rod, the connecting spring, the fixed cylinder and the like, and has simple structure, low manufacturing cost and durability.

Description

Clutch

Technical Field

The utility model relates to the technical field of electric curtain accessories, in particular to a clutch.

Background

The electric curtain in the market is widely applied to the fields of intelligent buildings, high-grade apartments, hotels or villas and the like, and the curtain is automatically opened and closed only by pressing a remote controller. The electric curtain drives the curtain to move back and forth along the track through a motor, wherein the core is the motor, and a clutch on the motor can be automatically separated or can be manually operated under the power failure state.

For example, chinese patent publication No. CN201771993U discloses an electric curtain clutch, which comprises a driving shaft and a clutch seat, wherein a permanent magnet is installed on the clutch seat, the clutch seat is sleeved on the driving shaft and is connected with one end of the driving shaft in a rotating fit manner, the other end of the driving shaft is connected with an inductance sleeve in a rotating fit manner, an inductance coil is installed in the inductance sleeve, an inner ring and an outer ring are arranged on the driving shaft, a suction piece and a spring piece are installed between the end surfaces of the inner ring and the outer ring and the clutch seat, and the suction piece is fixedly connected with the spring piece. The utility model is convenient to use and can be operated flexibly by hand.

In the scheme, the transmission of the electric curtain is performed by using the electromagnetic clutch, and the transmission mode has the following defects in the using process: the parts and components have high manufacturing cost and are easy to wear and fail.

Disclosure of Invention

The present utility model provides a clutch to solve the above-mentioned problems set forth in the background art.

In order to achieve the above purpose, the present utility model adopts the following technical scheme:

the utility model provides a clutch, includes the casing, rotate on the inside wall of casing and be connected with the second axis of rotation, the one end fixedly connected with second gear of second axis of rotation, the meshing is connected with first gear on the lateral wall of second gear, fixedly connected with first axis of rotation on the lateral wall of first gear, the one end of first axis of rotation rotates to be connected on the lateral wall of casing, fixedly connected with driven shaft on the lateral wall of first gear, the driven shaft runs through the lateral wall of casing, fixedly connected with fixed cylinder on the lateral wall of second gear, rotate on the lateral wall of casing and be connected with the driving shaft, the driving shaft runs through the lateral wall of casing, the one end fixedly connected with revolving plate of driving shaft, be connected with two gag levers through centrifugal device on the lateral wall of revolving plate.

As a further improvement scheme of the technical scheme: the centrifugal device comprises two mounting hole grooves, wherein the two mounting hole grooves are symmetrically formed in the circumferential side wall of the rotating plate, connecting springs are fixedly connected to the inner bottom side wall of the mounting hole grooves, the two connecting springs are respectively and fixedly connected to one ends of two limiting rods, and the two limiting rods are respectively and slidably connected into the two mounting hole grooves.

As a further improvement scheme of the technical scheme: the inner ring side wall of the fixed cylinder is arranged in a continuous sharp angle shape, and one end of each limiting rod is arranged in a sharp angle shape.

As a further improvement scheme of the technical scheme: and anti-skid patterns are arranged on the side wall of the inner ring of the fixed cylinder.

As a further improvement scheme of the technical scheme: the first gear and the second gear are made of stainless steel.

As a further improvement scheme of the technical scheme: the diameter of the second gear is smaller than that of the first gear.

Compared with the prior art, the utility model has the beneficial effects that:

the device reasonable in design, the design is ingenious, through mechanical parts interconnect such as revolving plate, driving shaft, gag lever post, coupling spring, fixed section of thick bamboo to can realize the separation and reunion of electric window curtain, and simple structure, low in manufacturing cost is more durable.

The foregoing description is only an overview of the present utility model, and is intended to provide a better understanding of the present utility model, as it is embodied in the following description, with reference to the preferred embodiments of the present utility model and the accompanying drawings. Specific embodiments of the present utility model are given in detail by the following examples and the accompanying drawings.

Drawings

The accompanying drawings, which are included to provide a further understanding of the utility model and are incorporated in and constitute a part of this application, illustrate embodiments of the utility model and together with the description serve to explain the utility model and do not constitute a limitation on the utility model. In the drawings:

FIG. 1 is a schematic cross-sectional front view of a clutch according to the present utility model;

FIG. 2 is a schematic side sectional view of a stationary drum in a clutch according to the present utility model;

fig. 3 is a schematic view of a partial enlarged structure of a in fig. 1.

In the drawings, the list of components represented by the various numbers is as follows:

1. a first gear; 2. a first rotation shaft; 3. a housing; 4. a driving shaft; 5. a fixed cylinder; 6. a driven shaft; 7. a second gear; 8. a second rotation shaft; 9. a rotating plate; 10. a connecting spring; 11. a limit rod; 12. and (5) installing a hole groove.

Detailed Description

The principles and features of the present utility model are described below with reference to the drawings, the examples are illustrated for the purpose of illustrating the utility model and are not to be construed as limiting the scope of the utility model. The utility model is more particularly described by way of example in the following paragraphs with reference to the drawings. Advantages and features of the utility model will become more apparent from the following description and from the claims. It should be noted that the drawings are in a very simplified form and are all to a non-precise scale, merely for convenience and clarity in aiding in the description of embodiments of the utility model.

It will be understood that when an element is referred to as being "fixed to" another element, it can be directly on the other element or intervening elements may also be present. When a component is considered to be "connected" to another component, it can be directly connected to the other component or intervening components may also be present. When an element is referred to as being "disposed on" another element, it can be directly on the other element or intervening elements may also be present. The terms "vertical," "horizontal," "left," "right," and the like are used herein for illustrative purposes only.

Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this utility model belongs. The terminology used herein in the description of the utility model is for the purpose of describing particular embodiments only and is not intended to be limiting of the utility model. The term "and/or" as used herein includes any and all combinations of one or more of the associated listed items.

Referring to fig. 1-3, in the embodiment of the utility model, a clutch comprises a housing 3, a second rotating shaft 8 is rotatably connected to the inner side wall of the housing 3, one end of the second rotating shaft 8 is fixedly connected with a second gear 7, the side wall of the second gear 7 is in meshed connection with a first gear 1, the side wall of the first gear 1 is fixedly connected with a first rotating shaft 2, one end of the first rotating shaft 2 is rotatably connected to the side wall of the housing 3, a driven shaft 6 is fixedly connected to the side wall of the first gear 1, the driven shaft 6 penetrates through the side wall of the housing 3, a fixed cylinder 5 is fixedly connected to the side wall of the second gear 7, a driving shaft 4 is rotatably connected to the side wall of the housing 3, one end of the driving shaft 4 is fixedly connected with a rotating plate 9, the side wall of the rotating plate 9 is connected with two limiting rods 11 through a centrifugal device, the inner ring side wall of the fixed cylinder 5 is in a continuous sharp angle shape, one end of each limiting rod 11 is in a sharp angle shape, and anti-skid patterns are arranged on the inner ring side wall of the fixed cylinder 5.

Specifically, centrifugal device includes two mounting hole grooves 12, two mounting hole grooves 12 are the symmetry and offer on the circumference lateral wall of revolving plate 9, equal fixedly connected with coupling spring 10 on the inner bottom lateral wall of two mounting hole grooves 12, two coupling springs 10 are fixed connection respectively in two gag lever post 11 one end, two gag lever post 11 sliding connection respectively in two mounting hole grooves 12, when revolving plate 9 is rotatory, two gag lever post 11 in the revolving plate 9 lateral wall will stretch out revolving plate 9 under the effect of centrifugal force, when the one end of gag lever post 11 closed angle enters into fixed section of thick bamboo 5 and is on the inner circle lateral wall of continuous closed angle, gag lever post 11 can drive fixed section of thick bamboo 5 and rotate together.

Specifically, the first gear 1 and the second gear 7 are made of stainless steel, when the second gear 7 rotates, the rotation speed of the first gear 1 can be reduced because the diameter of the second gear 7 is smaller than that of the first gear 1, and then when the second gear 7 rotates rapidly, the first gear 1 can stably drive the electric curtain to lift at a low speed through the driven shaft 6.

The working principle of the utility model is as follows:

when the electric curtain lifting device is used, firstly, the output shaft of a motor is connected to one end of a driving shaft 4, one end of a driven shaft 6 is connected with a lifting mechanism (not shown) of the electric curtain, when the motor is started, the driving shaft 4 can be driven to rotate, a rotating plate 9 can be driven to rotate by the rotation of the driving shaft 4, when the rotating plate 9 rotates, two limiting rods 11 in the side wall of the rotating plate 9 extend out of the rotating plate 9 under the action of centrifugal force, when one end of a sharp angle of each limiting rod 11 enters the inner ring side wall of a fixed cylinder 5, which is in a continuous sharp angle, the limiting rods 11 can drive the fixed cylinder 5 to rotate together, the fixed cylinder 5 rotates to drive a second gear 7 to rotate, the second gear 7 rotates to be meshed to drive a first gear 1 to rotate, and finally, the driven shaft 6 drives the electric curtain to lift after the first gear 1 rotates;

after the motor stops starting, the rotating plate 9 stops rotating, and the limiting rod 11 is contracted into the mounting hole groove 12 on the side wall of the rotating plate 9 under the action of the connecting spring 10, so that the rotating plate 9 is not connected with the fixed cylinder 5, the driven shaft 6 is disconnected with the motor, and then the curtain can be pulled manually, thereby bringing convenience to users.

The above description is only of the preferred embodiments of the present utility model, and is not intended to limit the present utility model in any way; those skilled in the art will readily appreciate that the present utility model may be implemented as shown in the drawings and described above; however, those skilled in the art will appreciate that many modifications, adaptations, and variations of the present utility model are possible in light of the above teachings without departing from the scope of the utility model; meanwhile, any equivalent changes, modifications and evolution of the above embodiments according to the essential technology of the present utility model still fall within the scope of the present utility model.

Claims (6)

1. The utility model provides a clutch, includes casing (3), its characterized in that, rotate on the inside wall of casing (3) and be connected with second axis of rotation (8), the one end fixedly connected with second gear (7) of second axis of rotation (8), meshing is connected with first gear (1) on the lateral wall of second gear (7), fixedly connected with first axis of rotation (2) on the lateral wall of first gear (1), the one end rotation of first axis of rotation (2) is connected on the lateral wall of casing (3), fixedly connected with driven shaft (6) on the lateral wall of first gear (1), driven shaft (6) run through the lateral wall of casing (3), fixedly connected with fixed cylinder (5) on the lateral wall of second gear (7), rotate on the lateral wall of casing (3) and be connected with driving shaft (4), the lateral wall that runs through casing (3) of driving shaft (4), the one end fixedly connected with swivel plate (9), be connected with two spacing poles (11) on the lateral wall of swivel plate (9) through centrifugal device.

2. The clutch according to claim 1, wherein the centrifugal device comprises two mounting hole grooves (12), the two mounting hole grooves (12) are symmetrically formed in the circumferential side wall of the rotating plate (9), connecting springs (10) are fixedly connected to inner bottom side walls of the two mounting hole grooves (12), the two connecting springs (10) are fixedly connected to one ends of two limiting rods (11) respectively, and the two limiting rods (11) are slidably connected to the two mounting hole grooves (12) respectively.

3. A clutch according to claim 1, wherein the inner side wall of the fixed cylinder (5) is arranged in a continuous pointed shape, and one end of each limit lever (11) is arranged in a pointed shape.

4. A clutch according to claim 1, characterized in that the inner ring side wall of the stationary drum (5) is provided with anti-slip threads.

5. A clutch according to claim 1, characterized in that the first gear (1) and the second gear (7) are made of stainless steel.

6. A clutch according to claim 1, characterized in that the diameter of the second gear (7) is smaller than the diameter of the first gear (1).