CN213016140U

CN213016140U - Power-off protection device for motor of electric rolling shutter door

Info

Publication number: CN213016140U
Application number: CN202020749833.9U
Authority: CN
Inventors: 陈龙卫; 应沛亮
Original assignee: Huzhou Xinpu Electromechanical Technology Co ltd
Current assignee: Huzhou Xinpu Electromechanical Technology Co ltd
Priority date: 2020-05-09
Filing date: 2020-05-09
Publication date: 2021-04-20
Anticipated expiration: 2030-05-09

Abstract

The utility model relates to a rolling slats door electromechanical machine technical field specifically is a be used for electric rolling slats door motor power-off protection device, which comprises a base, install the motor support on the base, rotate the horizontal rotation axle of installing on the base, rotate the vertical output shaft of installing in the motor support, install in the jacking subassembly at vertical output shaft top and the micro-gap switch who establishes with jacking subassembly neighbour, still include and consolidate the subassembly, it sets up between motor support and jacking subassembly to consolidate the subassembly, it connects reinforcement motor support and jacking subassembly, through setting up the reinforcement subassembly, utilize the supporting disk among the reinforcement subassembly to consolidate the intensity of connecting the guide arm, and through setting up the change of connecting the upper and lower diameter of guide arm, strengthen the joint strength between motor support and the jacking subassembly, the solution is at the not enough technical problem of the electric protection device intensity of use interrupt.

Description

Power-off protection device for motor of electric rolling shutter door

Technical Field

The utility model relates to a rolling slats door electromechanical machine technical field specifically is a be used for electric rolling slats door motor power-off protection device.

Background

At present, rolling doors are adopted in a plurality of storefronts and garages, particularly, the rolling doors are large in door openings and inconvenient to install on the ground door body, and the rolling doors can be opened conveniently and quickly. The rolling door is divided into a manual rolling door and an electric rolling door, the manual rolling door adopts a manual rolling device to realize the opening and closing of the rolling door as the name suggests, the manual rolling device generally consumes time and labor and has slow speed, so that a plurality of people adopt the electric rolling door; the electric rolling shutter door drives a rolling shutter central shaft to rotate by a rolling shutter motor, realizes the opening and closing of the rolling shutter and is very quick to open and close. However, when power is cut off, the roller shutter motor cannot work, and a manual switch is needed, so that the electric roller shutter door is provided with a manual roller shutter device, and the roller can be opened and closed manually when power is cut off.

The Chinese patent with the patent application number of CN201721221491.8 discloses a device for powering off a motor of an electric roller shutter door, which comprises a base, a motor bracket, a transverse rotating shaft, a longitudinal output shaft and a jacking assembly, wherein the motor bracket is arranged on the base; the jacking assembly comprises a moving member arranged in the motor support and positioned above the longitudinal output shaft and a jacking member which is connected to the top end of the longitudinal output shaft and is abutted against the moving member; the rotation of vertical output shaft drives the moving member that sets up rather than contradicting through jacking piece and realizes reciprocating, drives rather than clearance fit's micro-gap switch's switching by the moving member, just can realize the outage of motor through the direct rotatory horizontal rotation axis, and the motor is got the electricity when stopping rotatory horizontal rotation axis.

Although the above patent realizes safe switching between electric operation and manual operation, in the practical use process of the power-off device according to the applicant reaction, the connection strength between the motor support and the jacking assembly is insufficient, which easily causes the deformation of the connecting guide rod between the motor support and the jacking assembly, and leads to the deterioration of the overall stability of the device.

SUMMERY OF THE UTILITY MODEL

To above problem, the utility model provides a be used for electric rolling shutter door motor power-off protection device strengthens the intensity of connecting guide arm through setting up the reinforcement subassembly, utilizes the supporting disk in the reinforcement subassembly to strengthen the joint strength between motor support and the jacking subassembly through setting up the change of connecting guide arm upper and lower diameter, solve the not enough technical problem of power-off protection device intensity in the use.

In order to achieve the above object, the utility model provides a following technical scheme:

the utility model provides a be used for electric rolling slats door motor power-off protection device, include the base, install in motor support on the base, rotate install in horizontal rotation axis on the base, rotate install in vertical output shaft in the motor support, install in the jacking subassembly at vertical output shaft top and with the micro-gap switch that jacking subassembly adjacent was established still includes:

and the reinforcing component is arranged between the motor support and the jacking component and is connected and reinforced with the motor support and the jacking component.

As an improvement, the transverse rotating shaft is in transmission connection with the longitudinal output shaft through a bevel gear unit, and a jacking pin shaft horizontally penetrating is arranged at the top of the longitudinal output shaft.

As an improvement, the jacking assembly comprises a top cover, a connecting shaft and a sleeve cap, the top cover is fixedly connected with the motor support through the reinforcing assembly, the connecting shaft is telescopically arranged on the top cover, the sleeve cap is arranged at the end part of the connecting shaft, which is just opposite to the longitudinal output shaft, and the sleeve cap is sleeved with the end part of the jacking pin shaft, which is arranged on the longitudinal output shaft.

As an improvement, a fixed limiting cylinder is arranged on the top cover, the connecting shaft penetrates through the limiting cylinder, a limiting groove is formed in the inner wall of the limiting cylinder, a limiting pin penetrates through the connecting shaft, the axial end of the limiting pin is clamped in the limiting groove, and the circumferential freedom degree of the connecting shaft is limited.

As an improvement, the connecting shaft is sleeved with an elastic piece, the bottom of the elastic piece is abutted against the step on the connecting shaft, and the top of the elastic piece is abutted against the top cover.

As an improvement, a V-shaped bayonet is formed in the side wall of the sleeve cap and is clamped with the jacking pin shaft, an inward-concave annular groove is formed in the V-shaped bayonet, and a toggle switch on the microswitch is arranged in the annular groove.

As an improvement, the microswitch is fixedly arranged on the top cover, and the toggle switch on the microswitch is arranged by a roller.

As an improvement, the reinforcement assembly comprises:

the supporting disc is horizontally arranged between the motor support and the jacking assembly, and the longitudinal output shaft is rotatably arranged on the supporting disc in a penetrating manner; and

and the connecting guide rods are arranged along the circumferential direction of the supporting plate, one axial end of each connecting guide rod is fixedly connected with the motor support, the other axial end of each connecting guide rod is fixedly connected with the jacking assembly, and the connecting guide rods penetrate through the supporting plate.

As an improvement, a supporting step is arranged at the penetrating position of the connecting guide rod and the supporting disk, the supporting step is positioned below the supporting disk, and the diameter phi 2 of the rod body of the connecting guide rod positioned below the supporting step is larger than the diameter phi 1 of the rod body of the connecting guide rod positioned above the supporting step.

As an improvement, the parts of the connecting guide rod, the motor support and the jacking assembly which are connected are provided with loosening gaskets.

The utility model discloses compound rotor's beneficial effect lies in:

(1) the utility model strengthens the strength of the connecting guide rod by arranging the reinforcing component and the supporting disk in the reinforcing component, strengthens the connecting strength between the motor bracket and the jacking component by arranging the change of the diameters of the upper part and the lower part of the connecting guide rod, and avoids the insufficient strength of the power-off protection device in the using process;

(2) the utility model has the advantages that the connecting guide rod is provided with the steps to support and fix the support plate, the whole structure of the device is simplified, the lower part of the connecting guide rod is thickened, the strength of the connecting guide rod is strengthened, and the deformation of the connecting guide rod is avoided;

(3) the utility model discloses a set up toggle switch on the micro-gap switch into the original dial block type of roller type replacement, make toggle switch by sliding friction better be rolling friction, reduce toggle switch's wearing and tearing, extension toggle switch's life.

To sum up, the utility model has the advantages of intensity is high, long service life, is particularly useful for rolling slats door electromechanical machine technical field.

Drawings

FIG. 1 is a schematic front view of the present invention;

FIG. 2 is a schematic view of a partial structure of the present invention;

FIG. 3 is a schematic view of a three-dimensional structure of the connecting shaft of the present invention;

FIG. 4 is a schematic sectional view of the connecting shaft of the present invention;

fig. 5 is a schematic view of a three-dimensional structure of a micro-gap switch in embodiment 2 of the present invention;

fig. 6 is a schematic perspective view of embodiment 3 of the present invention;

fig. 7 is a schematic view of a partial structure of embodiment 3 of the present invention;

FIG. 8 is a schematic view of a partial structure of the connecting guide rod of the present invention;

fig. 9 is a schematic diagram of the jacking state of the connecting shaft of the present invention.

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.

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and to simplify the description, but do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore should not be construed as limiting the present invention.

Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless specifically limited otherwise.

Example 1:

as shown in fig. 1 to 4, a power-off protection device for a motor of an electric rolling shutter door includes a base 1, a motor bracket 2 mounted on the base 1, a transverse rotating shaft 3 rotatably mounted on the base 1, a longitudinal output shaft 4 rotatably mounted in the motor bracket 2, a jacking assembly 5 mounted on the top of the longitudinal output shaft 4, and a micro switch 6 adjacent to the jacking assembly 5, and further includes:

and the reinforcing component 7 is arranged between the motor support 2 and the jacking component 5, and the reinforcing component 7 is connected and reinforced with the motor support 2 and the jacking component 5.

The transverse rotating shaft 3 is in transmission connection with the longitudinal output shaft 4 through a bevel gear unit 30, and a jacking pin shaft 41 horizontally penetrating is arranged at the top of the longitudinal output shaft 4.

Furthermore, the jacking assembly 5 comprises a top cover 51, a connecting shaft 52 and a sleeve cap 53, the top cover 51 is fixedly connected with the motor support 2 through the reinforcing assembly 7, the connecting shaft 52 is telescopically mounted on the top cover 51, the sleeve cap 53 is mounted at the end part of the connecting shaft 52 opposite to the longitudinal output shaft 4, and the sleeve cap 53 is sleeved with the end part of the jacking pin shaft 41 mounted on the longitudinal output shaft 4.

Furthermore, the top cover 51 is provided with a fixed limiting cylinder 54, the connecting shaft 52 is arranged on the limiting cylinder 54 in a penetrating manner, the inner wall of the limiting cylinder 54 is provided with a limiting groove 541, the connecting shaft 52 is provided with a limiting pin 521 in a penetrating manner, and the axial end part of the limiting pin 521 is clamped in the limiting groove 541 to limit the circumferential freedom degree of the connecting shaft 52.

In addition, the connecting shaft 52 is sleeved with an elastic member 55, the bottom of the elastic member 55 is abutted against the step 522 on the connecting shaft 52, and the top of the elastic member 55 is abutted against the top cover 51.

Moreover, a V-shaped bayonet 531 is formed on the side wall of the cap 53, the V-shaped bayonet 531 is engaged with the jacking pin 41, an inwardly recessed annular groove 532 is formed in the V-shaped bayonet 531, and the toggle switch 61 on the microswitch 6 is arranged in the annular groove 532.

It should be noted that the turning handle is installed on the transverse rotating shaft 3, the jacking assembly 5 drives the micro switch 6 to be turned off in the process of directly shaking the transverse rotating shaft 3 by hand, when the transverse rotating shaft 3 is not shaken by hand, the micro switch 6 is always turned on, the micro switch 6 is turned off, a main power supply on the device is turned off, the device is ensured to be uncharged under the condition of manual operation, and meanwhile, the interference and influence caused by manual operation when sudden incoming calls are also avoided.

It is further explained that the longitudinal output shaft 4 is driven by the transverse rotating shaft 3 to rotate, the jacking pin shaft 41 on the longitudinal output shaft 4 realizes circumferential rotation, drives the sleeve cap 53 matched with the longitudinal output shaft to realize up-and-down movement, and then the sleeve cap 53 drives the micro switch 6 to be closed.

In addition, as shown in fig. 9, the connecting shaft 52 is a fit between the sleeve cap 53 and the jacking pin 41, when the jacking pin 41 drives the connecting shaft 52 to jack up through the guide of the V-shaped bayonet 531, the connecting shaft 52 will jack up axially, and the motor brake device 8 above the connecting shaft 52 is sprung open, so that the roller shutter can be closed or opened by hand, especially when the hand-operated transverse rotating shaft 3 is suddenly released, the motor brake device can reset quickly, and brake is performed newly, so as to avoid causing danger, the motor brake device 8 is a brake disc arranged on a slope, and when the connecting shaft 52 will jack up axially, the brake disc and the slope of friction brake will be lifted away.

Example 2:

fig. 5 is a schematic structural diagram of an embodiment 2 of the power-off protection device for the motor of the electric rolling shutter door of the present invention; as shown in fig. 5, in which the same or corresponding components as those in embodiment 1 are denoted by the same reference numerals as those in embodiment one, only the points of difference from embodiment 1 will be described below for the sake of convenience. This embodiment 2 differs from the embodiment 1 shown in fig. 1 in that:

as shown in fig. 5, the micro switch 6 is fixedly mounted on the top cover 51, and the toggle switch 61 thereon is a roller.

It should be noted that, the toggle switch 61 on the microswitch 6 is set to be of a roller type to replace the original toggle block type, so that the sliding friction of the toggle switch 61 is better the rolling friction, the abrasion of the toggle switch 61 is reduced, and the service life of the toggle switch 61 is prolonged.

Example 3:

fig. 6 is a schematic structural diagram of an embodiment 3 of the power-off protection device for the motor of the electric rolling shutter door according to the present invention; as shown in fig. 6, in which the same or corresponding components as those in embodiment 1 are denoted by the same reference numerals as those in embodiment one, only the points of difference from embodiment 1 will be described below for the sake of convenience. This embodiment 3 differs from embodiment 1 shown in fig. 1 in that:

as shown in fig. 6 to 8, the reinforcing member 7 includes:

a support plate 71, the support plate 71 is horizontally arranged between the motor bracket (2 and the jacking component 5, and the longitudinal output shaft 4 is rotatably arranged on the support plate, and

the connecting guide rods 72 are arranged along the circumferential direction of the supporting plate 71, one axial end of each connecting guide rod 72 is fixedly connected with the motor support 2, the other axial end of each connecting guide rod 72 is fixedly connected with the jacking assembly 5, and the connecting guide rods 72 penetrate through the supporting plate 71.

Further, a support step 721 is disposed at a position where the connection guide 72 and the support disc 71 penetrate, the support step 721 is located below the support disc 71, and a diameter Φ 2 of the rod body of the connection guide 72 located below the support step 721 is greater than a diameter Φ 1 of the rod body of the connection guide 72 located above the support step 721.

Furthermore, the connection guide rod 72, the motor bracket 2 and the jacking assembly 5 are provided with loosening gaskets 73.

It should be noted that, by providing the reinforcing component 7, the strength of the connecting guide rod 72 is strengthened by the supporting plate 71 in the reinforcing component 7, and by setting the changes of the diameters Φ 1 and Φ 2 of the upper and lower portions of the connecting guide rod 72, the connecting strength between the motor bracket 2 and the jacking component 5 is strengthened, and the insufficient strength of the electric protection device during the use process is avoided.

It is further described that the connection guide 72 is provided with the step 721 to support and fix the support plate 71, so that the overall structure of the device is simplified, and the lower portion of the connection guide is thickened to reinforce the strength of the connection guide and prevent the connection guide from being deformed.

The above description is only exemplary of the present invention and should not be taken as limiting the scope of the present invention, as any modifications, equivalents, improvements and the like made within the spirit and principles of the present invention are intended to be included within the scope of the present invention.

Claims

1. The utility model provides a be used for electric rolling slats door motor power-off protection device, includes base (1), install in motor support (2) on base (1), rotate install in horizontal rotation axis (3) on base (1), rotate install in vertical output shaft (4) in motor support (2), install in jacking subassembly (5) at vertical output shaft (4) top and with micro-gap switch (6) that jacking subassembly (5) are adjacent to establish, its characterized in that still includes:

and the reinforcing component (7), the reinforcing component (7) is arranged between the motor support (2) and the jacking component (5), and the reinforcing component is connected and reinforced with the motor support (2) and the jacking component (5).

2. The power-off protection device for the motor of the electric rolling door according to claim 1, characterized in that the transverse rotating shaft (3) is in transmission connection with the longitudinal output shaft (4) through a bevel gear unit (30), and a jacking pin shaft (41) horizontally penetrating is arranged at the top of the longitudinal output shaft (4).

3. The power-off protection device for the motor of the electric rolling door according to claim 2, wherein the jacking assembly (5) comprises a top cover (51), a connecting shaft (52) and a sleeve cap (53), the top cover (51) is fixedly connected with the motor bracket (2) through the reinforcing assembly (7), the connecting shaft (52) is telescopically mounted on the top cover (51), the sleeve cap (53) is mounted at the end part of the connecting shaft (52) opposite to the longitudinal output shaft (4), and the sleeve cap (53) is sleeved with the end part of the longitudinal output shaft (4) on which the jacking pin shaft (41) is mounted.

4. The power-off protection device for the motor of the electric rolling door according to claim 3, wherein a fixed limiting cylinder (54) is arranged on the top cover (51), the connecting shaft (52) penetrates through the limiting cylinder (54), a limiting groove (541) is formed in the inner wall of the limiting cylinder (54), a limiting pin (521) penetrates through the connecting shaft (52), and the axial end of the limiting pin (521) is clamped in the limiting groove (541) to limit the circumferential freedom degree of the connecting shaft (52).

5. The power-off protection device for the motor of the electric rolling door as claimed in claim 3, wherein the connecting shaft (52) is sleeved with an elastic member (55), the bottom of the elastic member (55) is abutted with the step (522) on the connecting shaft (52), and the top of the elastic member (55) is abutted with the top cover (51).

6. The power-off protection device for the motor of the electric rolling shutter door according to claim 3, wherein a V-shaped bayonet (531) is formed on the side wall of the cap (53), the V-shaped bayonet (531) is clamped with the jacking pin shaft (41), an annular groove (532) which is recessed inwards is formed in the V-shaped bayonet (531), and a toggle switch (61) on the microswitch (6) is arranged in the annular groove (532).

7. The motor power-off protection device for the electric rolling door as claimed in claim 6, wherein the microswitch (6) is fixedly arranged on the top cover (51), and the toggle switch (61) on the microswitch is arranged on a roller.

8. A motor power-off protection device for an electric roller shutter door according to claim 1, characterized in that said reinforcement assembly (7) comprises:

the supporting plate (71), the supporting plate (71) is horizontally arranged between the motor bracket (2) and the jacking assembly (5), and the longitudinal output shaft (4) is rotatably arranged on the supporting plate in a penetrating manner; and

the connecting guide rods (72) are arranged along the circumferential direction of the supporting plate (71), one axial end of each connecting guide rod (72) is fixedly connected with the motor support (2), the other axial end of each connecting guide rod is fixedly connected with the jacking assembly (5), and the connecting guide rods (72) penetrate through the supporting plate (71).

9. The power-off protection device for the motor of the electric rolling door as claimed in claim 8, wherein a support step (721) is provided at a position where the connection guide rod (72) and the support plate (71) penetrate, the support step (721) is located below the support plate (71), and the diameter Φ 2 of the rod body of the connection guide rod (72) located below the support step (721) is greater than the diameter Φ 1 of the rod body of the connection guide rod (72) located above the support step (721).

10. The power-off protection device for the motor of the electric rolling door as claimed in claim 8, wherein the connection guide rod (72) is provided with a loosening gasket (73) at the connection part of the motor bracket (2) and the jacking assembly (5).