Electronic stroke of externally-hung motor of roller shutter door

Abstract

The utility model discloses an electronic stroke of an external motor of a roller shutter door. The electronic stroke comprises a shell, a stroke transmission gear, a worm, a turbine and a circuit board, a transmission gear of the motor is in transmission connection with the stroke transmission gear, the worm is in transmission connection with the worm wheel, one end face of the worm wheel extends to form a first supporting foot, the shell is provided with an installation hole seat of the first supporting foot, the tail end of the first supporting foot is provided with a clamping spring groove, the first supporting foot penetrates out of the installation hole seat and is connected with a gasket in a sleeved mode, and the worm wheel is in transmission connection with the worm wheel. A clamping spring groove is formed in one end face of the turbine, a clamping spring is clamped in the clamping spring groove, the spring abuts against the position between the installation hole seat and the gasket, a second supporting foot extends out of the other end face of the turbine, a magnet is fixed to the tail end face of the second supporting foot, the circuit board is installed on the shell, and a calculation chip on the circuit board corresponds to the magnet in position. According to the utility model, the stroke can be debugged in a remote control mode, the gap between the magnet on the turbine and the calculation chip on the circuit board is controllable, and the sensing effect is good.

Description

Technical Field

[0001] The utility model relates to an electronic stroke of an external hanging motor of a rolling shutter door. Background Art

[0002] The existing external hanging motor of a rolling shutter door adopts a mechanical travel switch. After installing the external unit, it needs to be debugged through the travel switch on the external unit. Installers or maintenance personnel need to perform debugging at a high place, which is inconvenient for debugging. Content of the Utility Model

[0003] The purpose of the utility model is to overcome the deficiencies of the prior art and provide an electronic stroke of an external hanging motor of a rolling shutter door.

[0004] The technical solution adopted by the utility model to solve its technical problems is as follows:

[0005] An electronic stroke of an external hanging motor of a rolling shutter door, which comprises a housing, a stroke transmission gear, a worm, a turbine and a circuit board; the transmission gear of the motor is drivingly connected to the stroke transmission gear, the stroke transmission gear is synchronously connected to the worm inside the housing, the worm is drivingly connected to the turbine, one end face of the turbine extends out a first leg, an installation hole seat for the first leg is provided on the housing, a snap ring groove is provided at the end of the first leg, the first leg passes through the installation hole seat and is sleeved with a gasket, a snap ring is clamped on the snap ring groove, a spring abuts between the installation hole seat and the gasket, the other end face of the turbine extends out a second leg, a magnet is fixed on the end face of the second leg, the circuit board is installed on the housing, and the calculation chip on the circuit board corresponds to the position of the magnet to calculate the rotation stroke of the magnet when the magnet rotates.

[0006] In another preferred embodiment, the transmission gear of the motor is drivingly connected to the stroke transmission gear through an intermediate gear.

[0007] In another preferred embodiment, both ends of the worm are respectively rotatably connected to two opposite side walls of the housing.

[0008] In another preferred embodiment, the housing comprises a base and an upper cover, and the upper cover and the circuit board are installed on the opening of the base.

[0009] The beneficial effects of the utility model are as follows: the stroke is transmitted by a turbine and a worm, and the rotation stroke of the turbine is calculated by a calculation chip. Installers or maintenance personnel can debug the stroke in a remote control manner without being at a high place of the motor, which is convenient and simple to use; the turbine abuts between the installation hole seat of the housing and the gasket through a spring, the circuit board is installed on the housing, the gap between the magnet on the turbine and the calculation chip on the circuit board can be controlled, and can be controlled between 0.3 mm and 0.5 mm, less than 1 mm, and the sensing accuracy of the calculation chip is high and the sensing effect is good.

[0010] The present utility model will be further described in detail below in conjunction with the accompanying drawings and embodiments; however, the electronic stroke of an external-mounted motor for a rolling shutter door of the present utility model is not limited to the embodiments. Description of the Drawings

[0011] Figure 1 It is a schematic structural diagram of the electronic stroke of a preferred embodiment of the present utility model mounted on an AC external-mounted motor.

[0012] Figure 2 is Figure 1 the bottom view of

[0013] Figure 3 It is a side sectional view of the electronic stroke of a preferred embodiment of the present utility model.

[0014] Figure 4 It is a partial sectional view of the electronic stroke of a preferred embodiment of the present utility model.

[0015] Figure 5 It is a sectional view of the electronic stroke of a preferred embodiment of the present utility model from another perspective.

[0016] Figure 6 It is a front view of the circuit board of the electronic stroke of a preferred embodiment of the present utility model.

[0017] Figure 7 is Figure 6 the side sectional view of Detailed Description of the Embodiment

[0018] In the embodiment, referring to Figure 1 and Figure 2 shown, an electronic stroke 100 of an external-mounted motor for a rolling shutter door of the present utility model is mounted on the side of an AC external-mounted motor 200, and a transmission gear 210 of the motor 200 is drivingly connected to a stroke transmission gear 3 of the electronic stroke 100 through an intermediate gear 220.

[0019] As Figures 3 to 7 shown, the electronic stroke 100 of this embodiment includes a housing, a stroke transmission gear 3, a worm 4, a turbine 5, and a circuit board 6; the housing includes a base 7 and an upper cover 8, the stroke transmission gear 3 is synchronously connected to the worm 4 inside the housing, and both ends of the worm 4 are rotatably connected to two opposite side walls of the base 7 through a front bushing 9 and a rear bushing 10 respectively.

[0020] The worm 4 is drivingly connected to the turbine 5. One end face of the turbine 5 extends out a first support leg 51. An installation hole seat for the first support leg 51 is provided on the base 7 of the housing. A circlip groove is provided at the end of the first support leg 51. The first support leg 51 passes through the installation hole seat and is sleeved with a gasket 11. A circlip 12 is snap-fitted on the circlip groove. A spring 13 abuts between the installation hole seat and the gasket 11. The other end face of the turbine 5 extends out a second support leg 52. A magnet 14 is fixed on the end face of the second support leg 52. The circuit board 6 is installed on the base 7 of the housing. The computing chip 61 on the circuit board 6 corresponds to the position of the magnet 14 to calculate the rotation stroke of the magnet when the magnet 14 rotates.

[0021] The upper cover 8 and the circuit board 6 are installed on the opening of the base 7.

[0022] In this embodiment, the turbine-worm drive stroke is adopted, and the rotation stroke of the turbine is calculated by the computing chip. Installers or maintainers can debug the stroke in a remote control manner without being at a high position of the motor, which is convenient and simple to use. The turbine is abutted between the installation hole seat of the housing and the gasket by a spring. The circuit board is installed on the housing. The gap between the magnet on the turbine and the computing chip on the circuit board can be controlled, and can be controlled between 0.3 mm and 0.5 mm, less than 1 mm. The sensing accuracy of the computing chip is high and the sensing effect is good.

[0023] The above embodiments are only used to further illustrate the electronic stroke of an external motor for rolling shutter doors of the present invention. However, the present invention is not limited to the embodiments. Any simple modification, equivalent change and modification made to the above embodiments according to the technical essence of the present invention shall fall within the protection scope of the technical solution of the present invention.

Claims

1. An electronic stroke of an externally hung motor for a rolling shutter door, characterized in that: It includes a housing, a stroke drive gear, a worm, a turbine and a circuit board; the drive gear of the motor is drivingly connected to the stroke drive gear, the stroke drive gear is synchronously connected to the worm inside the housing, the worm is drivingly connected to the turbine, one end face of the turbine extends out a first support leg, an installation hole seat for the first support leg is provided on the housing, a circlip groove is provided at the end of the first support leg, the first support leg passes through the installation hole seat and is sleeved with a gasket, a circlip is clamped on the circlip groove, a spring abuts between the installation hole seat and the gasket, the other end face of the turbine extends out a second support leg, a magnet is fixed on the end face of the second support leg, the circuit board is installed on the housing, and the calculation chip on the circuit board corresponds to the position of the magnet to calculate the rotation stroke of the magnet when the magnet rotates.

2. The electronic stroke of the external hanging motor of the rolling shutter door according to claim 1, characterized in that: The drive gear of the motor is drivingly connected to the stroke drive gear through an intermediate gear.

3. The electronic stroke of an externally mounted motor for a rolling shutter according to claim 1, characterized in that: Both ends of the worm are respectively rotationally connected to two opposite side walls of the housing through bushings.

4. The electronic stroke of an externally mounted motor for a rolling shutter door according to claim 1, characterized in that: The housing includes a base and an upper cover, and the upper cover and the circuit board are installed on the opening of the base.

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