CN210460303U

CN210460303U - Door body linking arm

Info

Publication number: CN210460303U
Application number: CN201920748764.7U
Authority: CN
Inventors: 徐冀
Original assignee: Jiangsu Deper Automate Door & Window Co ltd
Current assignee: Jiangsu Deper Automate Door & Window Co ltd
Priority date: 2019-05-23
Filing date: 2019-05-23
Publication date: 2020-05-05
Anticipated expiration: 2029-05-23

Abstract

The application discloses a door body linking arm belongs to the door body field. Including armed lever and the adapter sleeve that can be connected with the door body, the up end of adapter sleeve is equipped with the square groove that can be connected with drive unit, and the lower terminal surface of adapter sleeve is equipped with first ring gear, and the end of armed lever is equipped with the second ring gear with first ring gear engaged with, and the number of teeth of first ring gear is: and Z-4 n +1 or Z-4 n-1, wherein Z is the number of teeth of the first gear ring, and n is a natural number. This application is with the number of teeth of first ring gear get Z4 n +1 or Z4 n-1, do not have common divisor with 4, 4 kinds of positions that correspond with the side tenon connection are joined in marriage the group like this, total 4Z kinds in the position of 360 within ranges, thereby can realize 360 angle modulation (4Z), with pretension angle control within 360 (4Z), under the prerequisite that does not influence the pretension angle, reduce the number of teeth of terminal surface, increase the size of tooth, make the intensity of terminal surface tooth uprise not fragile, can adopt mode manufacturing such as upsetting or precision casting simultaneously in the technology, reduce the processing cost.

Description

Door body linking arm

Technical Field

The application relates to the field of door bodies, in particular to a door body connecting arm.

Background

When the existing door body, such as an automatic door like a spring door, is installed and used, a connecting arm is usually used. The connecting arm is a device which is connected with the door body and used for driving the door body to be opened and closed, taking the spring door as an example, in the installation and use process of the spring door, the connecting arm needs to be respectively connected with the door body and the spring door unit, the connecting arm is driven to rotate by the spring door unit, and then the door body is pulled by the connecting arm to open and close the door body.

At present, when an existing door body connecting arm is installed, a connecting part is usually matched with a triangular spline, the number of teeth is more, 60 teeth are achieved, and the angle corresponding to each tooth is 6 degrees, so that the pre-tightening angle of a spring door unit can be controlled within 6 degrees. However, too many teeth present problems: each tooth is small in shape, low in strength and easy to damage, and meanwhile, the fine teeth are difficult to machine and poor in manufacturability.

SUMMERY OF THE UTILITY MODEL

The application provides a door body linking arm to solve the problem that proposes in the background art.

A door body coupling arm comprising: the connecting device comprises an arm rod and a connecting sleeve, wherein the arm rod and the connecting sleeve can be connected with a door body, a square groove which can be connected with a driving unit is formed in the upper end face of the connecting sleeve, a first gear ring is arranged on the lower end face of the connecting sleeve, a second gear ring meshed with the first gear ring is arranged at the end of the arm rod, and the number of teeth of the first gear ring is as follows: and Z-4 n +1 or Z-4 n-1, wherein Z is the number of teeth of the first gear ring, and n is a natural number.

According to the technical scheme, the door body connecting arm provided by the application has the advantages that the connecting sleeve is used for replacing the existing spline connection mode between the output shaft and the arm rod, the number of teeth of the first gear ring is Z4 x n +1 or Z4 x n-1, no common divisor exists between the first gear ring and the arm rod, 4 positions corresponding to the square tenon connection are matched, the positions in the range of 360 degrees are totally 4Z, the angle adjustment of 360 degrees/Z can be realized, the pre-tightening angle is controlled within 360 degrees/Z, the number of teeth of the end face is reduced on the premise that the pre-tightening angle is not influenced, the size of the teeth is not easily damaged, the strength of the end face teeth is increased, meanwhile, the door body connecting arm can be manufactured in an upsetting mode or a precision casting mode and the like in the process, and the machining cost is reduced.

Drawings

Fig. 1 is a schematic structural diagram of a door connecting arm according to an embodiment of the present disclosure;

fig. 2 is a schematic structural diagram of a connecting sleeve in a door connecting arm according to an embodiment of the present disclosure;

fig. 3 is a schematic installation diagram of a door connecting arm according to an embodiment of the present application.

Wherein: 10-arm rod, 101-second gear ring, 20-connecting sleeve, 201-first gear ring, 202-square groove, 30-spring gate machine set, 301-output shaft and 40-screw.

Detailed Description

In the following, the technical solutions in the embodiments will be clearly and completely described with reference to the 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.

Referring to fig. 1, 2 and 3, the present application takes a connecting arm for a spring door as an example, and provides a door body connecting arm, including: the connecting sleeve 20 is provided with a square groove 202 which can be connected with a drive unit, that is, the connecting sleeve 20 is connected with the drive unit through a square tenon, for example, an output shaft 301 of the spring door unit 30 is inserted into the square groove 202 and fixed, the lower end surface of the connecting sleeve 20 is provided with a first gear ring 201, the end of the arm 10 is provided with a second gear ring 101 which is engaged with the first gear ring 201, and the number of teeth of the first gear ring 201 is as follows: z ═ 4 × n +1 or Z ═ 4 × n-1, where Z is the number of teeth of the first ring gear 201, and n is a natural number; the arm rod 10, the connecting sleeve 20 and the output shaft 301 are fixedly connected through the screw 40.

Since the spring gate assembly 30 is not within the protection scope of the present disclosure, the present disclosure will be described only with reference to the output shaft 301 of the spring gate assembly 30 in the present embodiment. As will be appreciated by those skilled in the art, the present link arm may be powered by other drive mechanisms.

According to the technical scheme, the connecting sleeve 20 is used for replacing the existing spline connection mode between the output shaft and the arm rod, the number of teeth of the first gear ring 201 is set to be Z4 x n +1 or Z4 x n-1, and no common divisor is provided with 4, so that 4 positions corresponding to the square tenon connection are matched, 4Z types are provided at positions within 360 degrees, angle adjustment of 360 degrees/Z (4 x Z) can be realized, the pre-tightening angle is controlled within 360 degrees/Z (4 x Z), if Z is 15, the pre-tightening angle can be controlled within 6 degrees, if Z is 25, the pre-tightening angle can be controlled within 3.6 degrees, on the premise of not influencing the pre-tightening angle, the number of teeth of the end face is reduced, the size of the teeth is increased, the strength of the teeth of the end face is increased, and meanwhile, the existing door body connecting arm can be manufactured in a mode of upsetting or precision casting and the like, the processing cost is reduced.

Other embodiments of the present application will be apparent to those skilled in the art from consideration of the specification and practice of the application disclosed herein. This application is intended to cover any variations, uses, or adaptations of the invention following, in general, the principles of the application and including such departures from the present disclosure as come within known or customary practice within the art to which the invention pertains. It is intended that the specification and examples be considered as exemplary only, with a true scope and spirit of the application being indicated by the following claims.

It will be understood that the present application is not limited to the precise arrangements described above and shown in the drawings and that various modifications and changes may be made without departing from the scope thereof. The scope of the application is limited only by the appended claims.

Claims

1. A door body coupling arm, comprising: arm pole (10) and adapter sleeve (20) that can be connected with the door body, the up end of adapter sleeve (20) is equipped with square groove (202) that can be connected with the drive unit, the lower terminal surface of adapter sleeve (20) is equipped with first ring gear (201), the end of arm pole (10) is equipped with second ring gear (101) that mesh mutually with first ring gear (201), the number of teeth of first ring gear (201) is: z-4 n +1 or Z-4 n-1, wherein Z is the number of teeth of the first gear ring (201), and n is a natural number.