CN213125782U - Electronic limiting mechanism of tubular motor - Google Patents

Abstract

The utility model discloses an electron stop gear of tubular motor, including base, supporter, spacing ring gear, pair transmission ratch, locator support, locator apron, the first gear and the spacing ring gear meshing of pair transmission ratch one end, the second gear of the other end and the gear engagement on the locator. The utility model discloses an electron stop gear remembers the position of reelpipe and handles to realize two-way communication with the master control, electron stop gear responds the instruction of master control with answering the mode, realizes the control of motor position.

Description

Electronic limiting mechanism of tubular motor

Technical Field

The utility model relates to an electron stop gear of tubular motor.

Background

The tubular motor is mostly used for electric rolling doors, the existing tubular motor needs to be provided with a limiter in the use of mechanical stroke, the traditional limiter utilizes a mechanical or electronic mode to realize the purpose of limiting control, a gear rod is usually arranged below a transmission gear ring of the mechanical limiting structure, two sides of the gear rod are respectively provided with a gear arranged on a screw rod, the thread directions of the two screw rods are opposite, when an outer cylinder drives the transmission gear ring to rotate, the transmission gear ring drives the gear rod and the gear, when the gears on the two sides rotate, the screw rods respectively move towards two directions along the threads, a microswitch is arranged at the terminal end of the screw rod, the gear moves to the microswitch to trigger the microswitch, the distance between the gear and the microswitch is set to achieve the purpose of limiting, the defect is that the position of the tubular motor is determined by the distance between the gear and the microswitch in the operation process, this distance cannot be quantified digitally; the electronic limiter is characterized in that a magnetic ring or a grating is arranged on a motor shaft, a Hall element or a photoelectric sensor is arranged nearby to detect the increment number of turns of rotation, and a limiting point is arranged by setting the increment number of turns.

SUMMERY OF THE UTILITY MODEL

To the above problem, the utility model provides an electron stop gear of tubular motor has effectively solved the problem of pointing out among the background art.

The utility model adopts the technical proposal that:

the utility model provides a tubular motor's electron stop gear, includes base, supporter, spacing ring gear, pair transmission ratch, locator support, locator apron, the first gear and the spacing ring gear meshing of pair transmission ratch one end, the second gear and the gear engagement on the locator of the other end.

Preferably, the support body is provided with a rack bar groove matched with the duplex transmission rack bar, the two ends of the rack bar groove are respectively provided with a first gear groove and a second gear groove, the first gear groove is matched with the first gear, and the second gear groove is matched with the second gear.

Offer the rack bar groove on the supporter, for the rotation of pair transmission rack bar provides the support, and first gear groove and second gear groove provide effectual rotation space for first gear and second gear.

Preferably, the support body is fixed with a positioner bracket, a positioner is arranged on the positioner bracket, a positioner cover plate is arranged on the outer side of the positioner, and the positioner adopts an absolute value encoder.

Carry out accurate location installation to the locator through locating support and locator apron, not only can guarantee the accurate meshing of gear and second gear on the locator, have certain guard action to the locator moreover.

Preferably, the locator cover plate is provided with a seam allowance which is connected with the locator bracket, and the locator cover plate is also provided with a signal needle penetrating port.

Preferably, one end of the inner cavity of the limit gear ring is provided with internal teeth which are meshed with the first gear, and an inner hole at the other end of the inner cavity of the limit gear ring is connected with the support body in a sliding and rotating mode.

The structure that limit gear ring internal tooth and hole combined together not only makes overall structure simpler, has formed the stable support of supporter to limit gear ring moreover, guarantees the rotatory stability of limit gear ring.

The utility model discloses an electron stop gear remembers the position of reelpipe and handles to realize two-way communication with the master control, electron stop gear responds the instruction of master control with answering the mode, realizes the control of motor position.

Drawings

Fig. 1 is a schematic structural view of the present invention;

FIG. 2 is a schematic top view of the structure of FIG. 1;

FIG. 3 is a schematic structural view of the electronic limit mechanism mounted on the tubular motor;

1. a motor; 2. a gear case; 3. a brake mechanism; 4. a steel pipe; 5. a capacitor; 61. a base; 62. a support body; 63. limiting the gear ring; 64. a duplex drive rack; 65. a positioner bracket; 66. a positioner; 67. a locator cover plate; 68. a first gear; 69. a second gear; 610. A rack bar groove; 611. a first gear groove; 612. a second gear groove.

Detailed Description

The present invention will be described in further detail with reference to the following detailed description of specific embodiments thereof, which is illustrated in the accompanying drawings.

Example 1

As shown in fig. 1 to 3, an electronic limit mechanism of a tubular motor comprises a base 61, a support body 62, a limit gear ring 63, a duplex transmission gear rod 64, a positioner bracket 65, a positioner 66 and a positioner cover plate 67, wherein a first gear 68 at one end of the duplex transmission gear rod 64 is meshed with the limit gear ring 63, and a second gear 69 at the other end is meshed with a gear on the positioner 66.

The supporting body 62 is provided with a rack bar groove 610 matched with the duplex transmission rack bar 64, two ends of the rack bar groove 610 are respectively provided with a first gear groove 611 and a second gear groove 612, the first gear groove 611 is matched with the first gear 68, and the second gear groove 612 is matched with the second gear 69.

The supporting body 62 is fixed with a locator bracket 65, a locator 66 is arranged on the locator bracket 65, and a locator cover plate 67 is arranged on the outer side of the locator 66.

The locator apron 67 be equipped with the tang, be connected with locator support 65, locator apron 67 on still be equipped with the signal needle and wear the export.

One end of the inner cavity of the limiting gear ring 63 is provided with internal teeth which are meshed with the first gear 68, and the inner hole of the other end is connected with the support body 62 in a sliding and rotating mode.

As shown in fig. 3, when the present invention is installed on the motor 1, the limit gear ring 63 is fixedly connected to the reel pipe driven by the motor 1, and the support body 62 is fixedly connected to the steel pipe 4.

The utility model discloses a theory of operation:

when the motor 1 drives the reel pipe to rotate, the limiting gear ring 63 synchronously rotates, the limiting gear ring 63 drives the gear on the positioner 66 to rotate through the duplex transmission gear rod 64, the rotating angle of the motor 1 can be finally reflected and memorized on the positioner 66, the positioner 66 is in two-way communication with the master control, and the positioner 66 responds to the command of the master control in a response mode to realize the control of the position of the motor 1.

Finally, it should be noted that the above-mentioned embodiments are only specific embodiments of the present invention. Obviously, the present invention is not limited to the above embodiments, and many modifications are possible. All modifications which can be derived or suggested by a person skilled in the art from the disclosure of the invention should be considered as within the scope of the invention.

Claims (5)

1. The utility model provides an electronic stop gear of tubular motor, its characterized in that, includes base (61), supporter (62), spacing ring gear (63), duplicate transmission ratch (64), locator support (65), locator (66), locator apron (67), first gear (68) and the meshing of spacing ring gear (63) of duplicate transmission ratch (64) one end, second gear (69) and the gear engagement on locator (66) of the other end.

2. The electronic limit mechanism of the tubular motor according to claim 1, wherein the support body (62) is provided with a rack bar groove (610) matched with the duplex transmission rack bar (64), two ends of the rack bar groove (610) are respectively provided with a first gear groove (611) and a second gear groove (612), the first gear groove (611) is matched with the first gear (68), and the second gear groove (612) is matched with the second gear (69).

3. The electrical spacing mechanism of tubular motor as claimed in claim 1, wherein said supporting body (62) is fixed to a retainer bracket (65), a retainer (66) is mounted on said retainer bracket (65), and a retainer cover (67) is mounted on the outer side of said retainer (66).

4. The electronic limit mechanism of a tubular motor as claimed in claim 1, wherein the locator cover plate (67) is provided with a spigot connected to the locator support (65), and the locator cover plate (67) is further provided with a signal needle through hole.

5. The electronic limit mechanism of the tubular motor according to claim 1, wherein the limit gear ring (63) has an inner tooth at one end of its inner cavity, which is engaged with the first gear (68), and an inner hole at the other end, which is connected with the support body (62) in a relatively sliding and rotating manner.

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