CN1641179A

CN1641179A - Electromechanical actuator for door and the like

Info

Publication number: CN1641179A
Application number: CNA2004100003684A
Authority: CN
Inventors: G·博西奥
Original assignee: Rib S P A
Current assignee: Rib S P A
Priority date: 2004-01-09
Filing date: 2004-01-09
Publication date: 2005-07-20
Anticipated expiration: 2024-01-09
Also published as: CN1641179B

Abstract

This invention relates to a kind of arrester used for the door, includes the electric power transmission decelerating device which can't athwart and through the transmission piece and transmission linker carries on the conjunction with the ambulatory door that want to move, and the transmission linker between them. The transmission linkers make up of the conjunction parts with dentiform in the head between outputs stalk and that screw which insert to the transmission decelerating device, and there is a releasing device, drive the module which include a nut piece and a furcation piece in the device which fill with each other in the conjunction through axis direction and whirligig movement of nut piece through the wedge gob way, thus while linking the screw to the nut piece used for keeps the stability of the linker.

Description

The electromechanical actuator that is used for door and similar item

Technical field

The present invention relates in general to electronic closed-system, particularly, relates to a kind of device that is used to discharge and a kind of screw drive part and the Y-piece assembly of the electromechanical actuator that is used for door, large-scale entrance gate and similar item.

Background technology

The actuator devices that is used to open and close door that uses electromechanical actuator has been arranged now, and this actuator is connected on a fixed part or the column (door frame) in a side, and is connected on the door part that will move in an other side.These devices comprise the electronic transmission of non-reversible (gear) deceleration device (gear reduction unit) that is arranged in body or support and shell chamber substantially, this deceleration device is by the rotation of the device control screw rod that is in transmission connection, this screw rod with mesh with an interactional respective nut part of the driver part that is connected that will move.

To nut piece and driver part channeling conduct, not rotating at axial translation, thereby the opening and closing of door one side that the rotation of screw rod is connected with driver part are corresponding.

On the one hand, mechanically right and wrong were reversible for driving and transmission system when motor cut out, thereby kept door locking rigidly, to prevent unwanted and unexpected manual operation.But simultaneously, transmission system must be designed to find the solution as required to be removed locking and is connected with disconnecting, to be in an emergency or during the power failure of transmission decelerating device, and manual unlocking/close door successfully.

On the other hand, driver part mainly adopts Y-piece, up to now, nut piece is connected to this driver part in a variety of forms, yet this is a kind of relative complex and expensive assembly.

Purpose of the present invention and content

An object of the present invention is to avoid the shortcoming of known technology, and therefore a kind of be used for specific setting and the drive system of combination and the electromechanical actuator of delivery system door, that comprise the function of use element are provided.

Another object of the present invention provides a kind of nut piece and Y-piece assembly that is used for electromechanical actuator, can use simple and original method to come it is engaged and assembles, and need not other coupling device, need not specific equipment or instrument, and in case interact with regard to the possibility of separating with it with respective threaded rod.

According to the present invention, use the electromechanical actuator that is used for door to realize above-mentioned purpose, and this actuator is characterised in that and comprises corresponding to the preamble of claim 1:

-by at the output shaft of transmission decelerating device and the formed device that is in transmission connection of front end profile of tooth mating part between the screw rod, and radially interacting in case of emergency manually removing the releasing unit that is connected with described connector, and wherein

The nut piece of-driven unit and Y-piece have by nut piece one axially and rotatablely move and carry out complementation with the bayonet socket form and be connected so that when screw rod is connected to nut piece, be used to keep the stable device of this connector.

Description of drawings

By describing below with reference to the accompanying drawings, can be well understood to more details of the present invention, wherein:

What Fig. 1 showed is the phantom drawing of an actuator;

What Fig. 2 showed is the vertical section of this actuator;

What Fig. 3 showed is the vertical section of the part amplification of the arrow A-A direction in Fig. 2;

What Fig. 4 showed is the phantom drawing of the parts of nut piece and Y-piece assembly;

What Fig. 5 showed is with the phantom drawing after the parts assembling among Fig. 4;

Fig. 6,7 and 8 shows respectively is front elevation drawing, lateral view and vertical view as the component parts among Fig. 5.

The specific embodiment

In the example shown, actuator comprises the body 11 of the electronic transmission decelerating device 12 of non-reversible of holding a low-voltage or line voltage (mainstension).This deceleration device 12 has the output shaft 12 ' by being in transmission connection device 13 and the rotation of reversible screw rod 14 being controlled, bar or the column 16 of reversible screw rod 14 in being comprised in body or shell equally, the driven unit 15 nonrotational with translation meshes, as shown in Figure 2.

Driven unit 15 comprises nut piece (nut screw) 111 and the Y-piece 112 that is engaged with each other.

Bar 16 interacts at its near-end and driven unit 15, and has the head 17 that drive rod 18 has been installed at its far-end, wherein drive rod enters the groove of the vertical cutting in body or the shell and slides in this groove, and with the part-not shown of the door that will drive-couple together.

The device 13 that is in transmission connection is made of the driven clutch device 21 that has possible insertion sleeve 20 ' and go up and drive clutch device 20 in axial sliding and be fixed in screw rod 14 near-ends on this output shaft 12 ' at the output shaft 12 ' of transmission decelerating device 12 by keyed engagement, as shown in Figure 3.

Drive and driven clutch device 20,21 all has and is used for being meshing with each other and the preceding end tooth 22 that separates when being separated from each other when close.By be positioned at drive clutch device 20 and around the collar flange 20 of sleeve 20 ' " between, with drive clutch device 20 interactional thrust springs 23 to its near and engagement control.

With this understanding, motor control is used for the screw rod of the translation of drive rod 16, thereby and connected door section is driven.

In case of emergency, can be separated from each other with driven clutch device 21,, and can discharge door section so that it is carried out manual operation with the dynamic movement at interruption tie point (connector position) 13 places with driving clutch device 20.

In order to interrupt in this way, can will drive clutch device 20 by the effect that an eccentric release pin 24 overcomes thrust spring 23 and move backward, this cam pin 24 radially with cannelure 25 engagements that are positioned at around the described driving clutch device.Can by can for (lobed) with lug boss or any kind such as figuratum and operate by its locking key/key operated locking column 26, cam pin 24 is moved between latched position and off-position, wherein in latched position, clutch device 20 and clutch device 21 are in engagement.

Can arrive locking column 26 and therefore arrive cam pin 24 from the body outside by opening 27 by locking key.Usually use cladding element that opening 27 is hidden.

Innovation aspect (Fig. 4-8) according to another preferred, the nut piece 111 of driven unit 15 has the body of cylindrical shape basically, there is a screwed hole 113 to pass in diametric(al), and have first neck 114 of setting diameter and second neck 115 that has preferably bigger diameter at an other end than the diameter of first neck 114 at the one end.On the profile, between first and second necks 114,115, nut piece body 111 has a flange or jut 116, and this flange or jut 116 form each two shoulder 117,118 towards the neck that is adjacent in the end.

The Y-piece 112 that can have Rational Thickness has a U " the shape shape, wherein two parallel shoulders 119,120 base portion 121 from axle 122 from its extension extends.

First hole 119 ' of its diameter corresponding to the diameter of first neck 114 of nut piece 111 is provided in a shoulder 119 of Y-piece 112.Second hole 120 ' of its diameter corresponding to the diameter of second neck 115 of nut piece is provided in the another one shoulder 120 of Y-piece 112.Second hole 120 ' and first hole 119 ' and have in size flange or the width of jut 116 and the radially those widened sections 123 of height corresponding to nut piece on an axis on its circumference arch (arc) limit.

In order to connect, nut piece 111 is inserted Y-piece, to have than the neck 114 of minor diameter and insert Y-piece 112, and make its external flange or jut 116 align with described radially those widened sections 123 than large diameter hole 120 ' from a side in hole 120 ' with maximum gauge.

When inserting nut piece, first neck 114 is assembled to first hole 119 ' of Y-piece, be a hole that has in the accompanying drawing than minor diameter, make by flange or jut 116 formed shoulders 117 to lean against on the shoulder 119 with first hole 119 ' of Y-piece near first neck 114.From an opposite side, second neck 115 of nut piece is assembled in second hole 120 ' of Y-piece, be to have a larger-diameter hole in the accompanying drawing, make by the flange of close second neck 115 or another one shoulder 120 inboard and close these shoulders 120 that jut 116 formed another shoulders 118 are located at this Y-piece.In this way, nut piece can be rotated an angle, thereby thereby its screw thread transverse holes 113 adjusted to align with screw rod is connected to screw rod.

Finish in case rotate, then nut piece 111 is in the operating position, and its flange or jut 116 are not faced mutually with those widened sections 123 radially, and shoulder end 117,118 is bearing in shoulder 119,120 inboards of Y-piece 112.Operating position after by the screw rod that joins nut piece to this being rotated then forever keeps, because shoulder 117,118 retention nut parts are in the center and stop axially-movable in Y-piece.

Claims

1, a kind of electromechanical actuator that is used for door and similar item, comprise and be positioned at body or shell chamber (11) inner irreversible Electric Drive deceleration device (12) with an output shaft, described output shaft drives the rotation of the reversible screw rod (14) that joins a driven unit (15) to by the device that is in transmission connection (13), this driven unit (15) is connected on the part of the door that will move, it is characterized in that, the device (13) that is in transmission connection comprises the clutch device (20 that the output shaft that is inserted into described transmission decelerating device and the front end between the described screw rod (14) have tooth, 21), and a releasing device (24) radially interact and be connected in case of emergency manually to disconnect with described clutch device.

2, according to the actuator of claim 1, its feature also is, driven unit (15) comprises having and is used in the bayonet socket mode by nut piece axially is connected a nut piece (111) and a Y-piece (112) with the stable device that is used to keep connector assembly when screw rod being connected on the described nut piece with rotatablely moving with respect to Y-piece.

3, according to the actuator of claim 1, it is characterized in that, the described device that is in transmission connection (13) has a transmission clutch spare (20) of going up and sliding directly or indirectly in the output shaft (12 ') of transmission decelerating device (12) by keyed engagement on this output shaft (12 '), and a driven clutch device (21) that is installed on the near-end of screw rod (14); And wherein said transmission clutch spare and driven clutch device (20,21) all have be used near the time be meshing with each other or disconnect the front end profile of tooth link (22) of connection during separately each other.

According to the actuator of claim 3, it is characterized in that 4, a thrust spring (23) interacts with transmission clutch spare (20), device (20,21) remains on the position of engagement being in transmission connection; And join releasing device (24) to described transmission clutch spare with away from the device that is connected and this connector separately.

5, according to the actuator of claim 4, it is characterized in that, releasing device comprise one radially be positioned at that transmission clutch spare (20) cannelure (25) on every side engages and cam pin (24) by can between the link position of the device that is in transmission connection and separation point position, moving with corresponding locking key twist-lock cylinder (26).

6, according to the actuator of claim 1 and 2, it is characterized in that, described nut piece has first neck (114) at the one end, and have second neck (115) at its relative end, and in shape, between first neck and second neck, have flange or the jut (116) that forms two shoulders (117,118), shoulder (117,118) is respectively towards the neck that is adjacent; Y-piece (112) has two parallel shoulders (119,120), wherein, a shoulder (119) has first hole (119 ') of first neck (114) that is used to hold nut piece, and another one shoulder (120) has second hole (120 ') of second neck (115) that is used to hold nut piece; Described second hole (120 ') and first hole (119 ') are on an axis, and on its circumference arch limit, has the radially those widened sections (123) that is used for by the flange or the jut (116) of nut piece, nut piece is inserted in the Y-piece by described second hole (120 '), and rotate, thereby flange or jut are remained between the shoulder of Y-piece.

7, according to the actuator of claim 6, it is characterized in that, first neck (114) of nut piece has than the little diameter of second neck (115), first hole (119 ') of Y-piece (112) and the diameter in second hole (120 ') correspond respectively to first and second necks of nut piece, and the radially those widened sections (123) in described second hole (120 ') is dimensioned to flange or the jut (116) that is used for by nut piece.

8, the electromechanical actuator that is used for door, the irreversible Electric Drive deceleration device (12) that comprises the enclosure that is positioned at body or shell chamber (11) with an output shaft, this output shaft drives the rotation of the reversible screw rod (14) that joins a driven unit (15) to by the device that is in transmission connection (13), this driven unit (15) is connected on the part of the door that will move, it is characterized in that, the device that is in transmission connection is made up of the link (20,21) that the front end between output shaft that is inserted into transmission decelerating device and the described screw rod (14) has profile of tooth; One releasing device (24) radially interacts in case of emergency it manually can be separated with the device that is in transmission connection; And driven unit (15) comprise have with the bayonet socket mode by nut piece axially with rotatablely move carry out complimentary to one anotherly being connected, with a nut piece (111) and a Y-piece (112) of the stable device that when screw rod being connected on the described nut piece, is used to keep connector.