CN214498753U

CN214498753U - Crank arm door opener

Info

Publication number: CN214498753U
Application number: CN202022453890.5U
Authority: CN
Inventors: 陈飞; 黄小平
Original assignee: Fujian Sano Zhiyuan Door Industry Co ltd
Current assignee: Fujian Sano Zhiyuan Door Industry Co ltd
Priority date: 2020-10-29
Filing date: 2020-10-29
Publication date: 2021-10-26
Anticipated expiration: 2030-10-29

Abstract

The utility model relates to a door operator, concretely relates to crank arm door operator. Comprises a motor shell; a driving motor and a speed reducer are arranged in the motor shell, and an output shaft of the driving motor is connected with an input shaft of the speed reducer; a gear mechanism driven by the speed reducer is arranged above the motor shell; an upper cover driven to rotate by the gear mechanism is further arranged above the motor shell, and a gear ring meshed with the gear mechanism is arranged in the upper cover; and the crank arm mechanism is fixedly connected with the upper cover and is connected with an upper frame of the door. The utility model discloses a motor drive gear mechanism, and then drive crank arm and rotate, reducible motor wearing and tearing. The top cover and the bearing are arranged to play a role in supporting the upper mechanism, so that the whole structure is more stable, abrasion caused by rotation is reduced, and the service life of the device is prolonged.

Description

Crank arm door opener

Technical Field

The utility model relates to a door operator, concretely relates to crank arm door operator.

Background

The door opener is a driver composed of motor and speed-changing mechanism, belonging to electromechanical products. The electric door is generally used for realizing electric opening and closing of various door bodies. With the progress of science and technology and the continuous improvement of the living standard of human beings, the automatic door opening machine is gradually recognized and accepted by more people. Accordingly, the development of door opening machines such as bamboo shoots in spring after raining in the market of automatic doors is very fast. The automatic door has various brands and varieties. The existing crank arm type door opener generally directly fixes a crank arm and an output shaft of a reduction gearbox, a transmission mechanism is easy to damage after long-time work, and the service life is short.

Disclosure of Invention

The to-be-solved technical problem of the utility model lies in providing a crank arm door operator, life is longer.

The utility model discloses a realize like this:

comprises a motor shell;

a driving motor and a speed reducer are arranged in the motor shell, and an output shaft of the driving motor is connected with an input shaft of the speed reducer;

a gear mechanism driven by the speed reducer is arranged above the motor shell;

an upper cover driven to rotate by the gear mechanism is further arranged above the motor shell, and a gear ring meshed with the gear mechanism is arranged in the upper cover;

and the crank arm mechanism is fixedly connected with the upper cover and is connected with an upper frame of the door.

Further:

and a positioning support plate supported at the bottom of the driving motor is arranged in the motor shell.

The motor shell comprises a hollow cylindrical shell with an opening at the upper part and a top cover fixedly connected with the top of the shell.

The top cover is connected with the driving motor through a bolt structure.

The gear mechanism comprises a large gear connected with an output shaft of the speed reducer and a plurality of small gears meshed with the large gear, and the small gears are meshed with the gear ring.

And a bearing is arranged in the upper cover, the inner ring of the bearing is connected with the gear ring, and the outer ring of the bearing is connected with the top of the motor shell. Preferably, the bearing is an angular contact ball bearing or a tapered roller bearing.

The top of the upper cover is provided with a through hole for a fastening bolt to pass through, the top of the output shaft of the speed reducer is provided with an internal threaded hole matched with the fastening bolt, and the output shaft of the speed reducer is fixed on the upper cover through the fastening bolt.

An anti-disassembly shield is arranged above the upper cover.

The crank arm structure comprises a connecting arm fixedly connected with the upper cover and a rotating arm connected with the connecting arm through a first hinge connecting structure, the other end of the rotating arm is connected with an upper frame of the door through a second hinge connecting structure, and the connecting arm and the rotating arm are parallel rod structures and are detachably connected with the two hinge connecting structures.

And the rotating arm is provided with a reinforcing block.

The utility model has the advantages that: the utility model discloses a motor drive gear mechanism, and then drive crank arm and rotate, reducible motor wearing and tearing. The top cover and the bearing are arranged to play a role in supporting the upper mechanism, so that the whole structure is more stable, abrasion caused by rotation is reduced, and the service life of the device is prolonged.

Drawings

The invention will be further described with reference to the following examples with reference to the accompanying drawings.

Fig. 1 is a schematic structural diagram of the present invention.

Fig. 2 is a plan view of the motor housing.

Fig. 3 is a bottom view of the upper cover.

Fig. 4 shows a crank arm structure.

Detailed Description

Example 1

Referring to fig. 1, 2 and 3, a crank arm door opener of the present invention includes a motor housing 1; a driving motor 2 and a speed reducer 3 are arranged in the motor shell 1, and an output shaft of the driving motor 2 is connected with an input shaft of the speed reducer 3; a gear mechanism 4 driven by the speed reducer 3 is arranged above the motor shell 1; the gear mechanism 4 includes a large gear 41 connected to the output shaft 31 of the speed reducer 3 and three small gears 42 engaged with the large gear 41. A stainless steel upper cover 5 driven by the gear mechanism 4 to rotate is further arranged above the motor shell 1, and a gear ring 51 meshed with the pinion 42 is arranged in the upper cover 5; and the crank arm mechanism 6 is fixedly connected with the upper cover 5, and the crank arm mechanism 6 is connected with an upper frame of the door.

A positioning support plate 11 supported at the bottom of the driving motor 2 is arranged in the motor housing 1.

The motor housing 1 comprises an aluminum profile cylindrical shell 12 with an upper opening, and a top cover 13 fixedly connected with the top of the shell 12. The top cover 13 has certain thickness, plays certain supporting role, and makes overall structure more stable.

The top cover 13 is connected with the driving motor 2 through four bolts 14. Making the drive motor 2 more robust.

A bearing 52 is arranged in the upper cover 5, an inner ring of the bearing 52 is connected with the gear ring 51, and an outer ring of the bearing 52 is connected with the top cover 13. The wear of the motor can be reduced. The bearing 52 is an angular contact ball bearing.

The top of the upper cover 5 is provided with a through hole 53 for the fastening bolt 7 to pass through, the top of the output shaft 31 of the speed reducer is provided with an internal threaded hole 311 matched with the fastening bolt 7, and the output shaft 31 of the speed reducer is fixed on the upper cover 5 through the fastening bolt 7. The driving motor is more stable.

An anti-disassembly shield 8 is arranged above the upper cover 5. The shield can be tightly attached to the upper cover in a clamping or adhesion mode, so that the shield is prevented from being detached by other people.

As shown in fig. 4, the crank arm structure 6 includes a connecting arm 61 fixedly connected to the upper cover 5, and a rotating arm 62 connected to the connecting arm 61 through a first hinge connection structure, the other end of the rotating arm 62 is connected to the upper frame of the door through a second hinge connection structure, and the connecting arm 61 and the rotating arm 62 are both parallel rod structures and detachably connected to the two hinge connection structures. The lever member may be attached by threading the lever member through the side of the hinge connecting member 63 and attaching the lever member at the top of the hinge connecting member 63 by means of the bolt 64. The crank arm structure 6 is convenient to disassemble, and the length of the rotating arm 62 is changed.

The rotating arm 62 is provided with a reinforcing block 65, so that the crank arm structure 6 is not easy to bend.

Although specific embodiments of the present invention have been described, it will be understood by those skilled in the art that the specific embodiments described are illustrative only and are not limiting upon the scope of the invention, and that equivalent modifications and variations can be made by those skilled in the art without departing from the spirit of the invention, which is to be limited only by the claims appended hereto.

Claims

1. The utility model provides a bent arm door operator which characterized in that: comprises a motor shell;

a gear mechanism driven by the speed reducer is arranged above the motor shell;

2. The crank arm door opener according to claim 1, characterized in that: and a positioning support plate supported at the bottom of the driving motor is arranged in the motor shell.

3. The crank arm door opener according to claim 1, characterized in that: the motor shell comprises a hollow cylindrical shell with an opening at the upper part and a top cover fixedly connected with the top of the shell.

4. A crank arm door opener according to claim 3, characterized in that: the top cover is connected with the driving motor through a bolt structure.

5. The crank arm door opener according to claim 1, characterized in that: the gear mechanism comprises a large gear connected with an output shaft of the speed reducer and a plurality of small gears meshed with the large gear, and the small gears are meshed with the gear ring.

6. The crank arm door opener according to claim 1, characterized in that: and a bearing is arranged in the upper cover, the inner ring of the bearing is connected with the gear ring, and the outer ring of the bearing is connected with the top of the motor shell.

7. The crank arm door opener according to claim 1, characterized in that: the top of the upper cover is provided with a through hole for a fastening bolt to pass through, the top of the output shaft of the speed reducer is provided with an internal threaded hole matched with the fastening bolt, and the output shaft of the speed reducer is fixed on the upper cover through the fastening bolt.

8. The crank arm door opener according to claim 1, characterized in that: an anti-disassembly shield is arranged above the upper cover.

9. The crank arm door opener according to claim 1, characterized in that: the crank arm mechanism comprises a connecting arm fixedly connected with the upper cover and a rotating arm connected with the connecting arm through a first hinge connecting structure, the other end of the rotating arm is connected with an upper frame of the door through a second hinge connecting structure, and the connecting arm and the rotating arm are parallel rod structures and are detachably connected with the two hinge connecting structures.

10. The crank arm door opener according to claim 9, characterized in that: and the rotating arm is provided with a reinforcing block.