CN2692414Y

CN2692414Y - Alligator eletromagnetic clutch used on rotary scoing door

Info

Publication number: CN2692414Y
Application number: CN 200420020413
Authority: CN
Inventors: 王融立
Original assignee: SHANGHAI HUAHONG JITONG SMART IC CARD SYSTEM CO Ltd
Current assignee: Shanghai Huahong Jitong Smart System Co., Ltd.
Priority date: 2004-02-25
Filing date: 2004-02-25
Publication date: 2005-04-13
Anticipated expiration: 2014-02-25

Abstract

The utility model relates to an alligator electromagnetic clutch used on a rotary swing door, which comprises a passive clutch disc (1) made of highly conductive magnetic alloy steel, an active clutch disc (9), a transmission shaft (16) near the active clutch disc (9), and retaining rings (18 and 20), wherein, a plum blossom-like key groove (17) is arranged at one end of the transmission shaft and is sheathed in a central plum blossom-like hole of the active clutch disc (9), and the retaining rings (18 and 20) of the active clutch disc are butted on the key groove of a rotary shaft and form axial and slight slide. Thus, the utility model has a soft double-speed closing function on closing door leaves, and prevents the door leaves from being forced to open by external force; in addition, the utility model has the function of automatic and urgent opening in a power-off state.

Description

The slipping toothed electromagnetic clutch that is used for rotary scoing door

Technical field

The utility model relates to a kind of clutch, relates in particular to a kind of slipping toothed electromagnetic clutch that is used for rotary scoing door.

Background technique

On the urban track traffic automatic ticket checker, adopt retention device to control the current of passenger.

Has People's Bank of China by fireballing characteristics with door leaf formula stopper; Door leaf formula stopper is divided into the vertical shaft rotation and pats door; Flexible translation door; Transverse axis swing fan door waits three types; Wherein, the greatest drawback of patting door and translation door can not bounce back when being outage automatically, is disadvantageous to promptly dredging the stream of people; And transverse axis swing fan door can overcome above-mentioned defective, but it is owing to adopt electromagnetic chuck formula connecting rod to drive door leaf, pullled and retraction by force by wrongful external force; In addition, existing all kinds of door leaf stoppers adopt the connecting rod driving structure, are conditional to the width setting of walkway, are restricted in the use of the occasion that needs fat pipe.

The present magnetic clutch that uses, owing to be not that to be specifically designed to the swing door device required, problem such as it is little to exist torque transfer capability, and the yoke center is opened empty big, and leakage field is serious, and electromagnetic efficiency is lower.

Summary of the invention

The utility model technical issues that need to address have provided a kind of slipping toothed electromagnetic clutch that is used for rotary scoing door, and it is little to be intended to solve present torque transfer capability, and the yoke center is opened empty big, and leakage field is serious, the low defective that waits of electromagnetic efficiency.

In order to solve the problems of the technologies described above, the utility model is achieved through the following technical solutions:

Comprise the passive clutch wheel of making by high magnetic conductivity alloyed steel, the one end margin is some castellated concavo-convex tip edges, and this end middle part is the bowl-shape annular chamber of open type, built-in annular magnet coil, Wiring connector is connected external power supply, has the gong hole that is used for installing door leaf at another end face; The yoke center have connect main drive shaft, make passive clutch wheel can on rotatingshaft, put the penetrating circular hole that revolves, passive clutch wheel center is embedded with two bearings: comprise roller bearing, roller bearing back-up ring, ball bearing, ball bearing back-up ring;

Also comprise: clutch wheel initiatively, its center has penetrating blossom type hole, an end margin is some castellated concavo-convex tip edges, and dig down some degree of depth, make it can pass the bowl-shape sky of opening of rotatingshaft keyway and Returnning spring; It is bowl-shape drives empty built-in armature sucker, and spring bushing is used for adjusting the adjusting gong nail of clutch play; Can make it when off-position, back down sucker, keep the Returnning spring and the back-up ring of the reliable separation of clutch;

Also comprise: a transmission shaft, it is near the active clutch wheel, and an end has the blossom type keyway, and is inserted in initiatively clutch wheel center plum blossom hole; Also comprise: the back-up ring that props up the active clutch wheel that axial trace slides on the rotatingshaft keyway;

Compared with prior art, the beneficial effects of the utility model are: have softer double speed closing function when door leaf cuts out, prevent that door leaf from cutting out the back and being opened by force by external force, and can be under off-position the function of emergency opening voluntarily.

Description of drawings

Fig. 1 is an external form schematic representation of the present utility model;

Fig. 2 is a structural upright schematic representation of the present utility model;

Fig. 3 is a structural plan of the present utility model cross-sectional schematic;

Fig. 4, Fig. 5 are that the utility model is applied in the schematic representation on the fan door;

Fig. 6, Fig. 7, Fig. 8 are fan door fundamental diagrams;

Embodiment

Below in conjunction with accompanying drawing and embodiment the utility model is described in further detail:

By Fig. 1, Fig. 2, Fig. 3 as seen: comprise the passive clutch wheel of making by high magnetic conductivity alloyed steel 1, the one end margin is some castellated concavo-convex tip edges 2, this end middle part is the bowl-shape annular chamber of open type, built-in annular magnet coil 3, Wiring connector 4 is connected external power supply, has the gong hole that is used for installing door leaf at another end face; The yoke center have connect main drive shaft 16, make passive clutch wheel 1 can on rotatingshaft, put the penetrating circular hole that revolves, passive clutch wheel center is embedded with two bearings: comprise roller bearing 6, roller bearing back-up ring 5, ball bearing 7, ball bearing back-up ring 8;

Also comprise: clutch wheel 9 initiatively, it is some castellated concavo-convex tip edges 11 that its center has penetrating blossom type hole 17, one end margins, and dig down some degree of depth, make it can pass the bowl-shape sky of opening of rotatingshaft keyway 17 and Returnning spring 15; It is bowl-shape drives empty built-in armature sucker 12, and spring bushing 14 is used for adjusting the adjusting gong nail 13 of clutch play; Can make it when off-position, back down sucker 12, keep the Returnning spring 15 and the back-up ring 19 of the reliable separation of clutch;

Also comprise: a transmission shaft 16, it has blossom type keyway 17 near active clutch wheel 9, one ends, and is inserted in initiatively clutch wheel 9 center plum blossom holes 10; Also comprise: the back-up

ring

18,20 that props up the active clutch wheel that axial trace slides on the rotatingshaft keyway;

Driven disc 1 is enclosed within the fairing end of rotatingshaft 16, can revolve around the axle pendulum in less than 360 degree scopes; Power connector 4 external control power supplys are installed screw and can be carried swing door or other swing arm; Driving disc 9 is enclosed within blossom type keyway 17 ends of rotatingshaft 16, and with electromagnetic clutch axially trace slide, castellated concavo-convex tip edge 2 meshes or separates with electromagnetic clutch with 11;

By the passive clutch wheel 1 that high magnetic conductivity alloyed steel is made, the one end margin is some castellated concavo-convex tip edges 2, and its effect is when guaranteeing the clutch adhesive, is not subjected to skid than big external force effect, and need not to increase the power of electromagnet; This end middle part is the bowl-shape annular chamber of open type,, built-in annular magnet coil 3 makes passive clutch wheel 1 become yoke, and Wiring connector 4 is connected external power supply, and has 4 gong holes that are used for installing door leaf at another end face; The yoke center has the penetrating circular hole that connects main drive shaft 16, passive clutch wheel 1 can be put on rotatingshaft revolve; Passive clutch wheel 1 center is embedded with two bearings: comprise roller bearing 6, and roller bearing back-up ring 5, its effect is to reduce bearing outside diameter, increases yoke center area as far as possible, improves adhesive efficient; Ball bearing 7, ball bearing back-up ring 8; Its effect is the bearing strength that strengthens passive clutch wheel 1; Active clutch wheel 9, it is some castellated concavo-convex tip edges 11 that its center has penetrating blossom type hole 17, one end margins, and digs the bowl-shape sky of opening of some degree of depth down, makes it can pass rotatingshaft keyway 17 and Returnning spring 15; It is bowl-shape opens and empty is built-inly made by high magnetic conductivity pure iron, and the center has 12,4 spring bushings 14 of armature sucker of through hole, regulate gong nail 13 and be used for adjusting clutch play; Returnning spring 15 and back-up ring 19 can make it back down sucker 12 when off-position, keep the reliable separation of clutch; A transmission shaft 16 that has non-magnet material (as Austenitic Stainless Steel) to make, it has blossom type keyway 17 near active clutch wheel 9 one ends, and is inserted in initiatively clutch wheel 9 center plum blossom holes 10; Back-up

ring

18 and 20 props up axially micro-active clutch wheel 9 of sliding on rotatingshaft keyway 17.

Be applied in the fan door below and further set forth working principle of the present utility model, by Fig. 4, Fig. 5, Fig. 6, Fig. 7, Fig. 8 as seen:

After the electromagnetic coil energising, yoke produces the magnetic field suction sucker and makes castellated concavo-convex tip edge engagement, a fan door mounting bracket 50; Be placed in the bearing support 501 of both sides at an upper portion thereof; Entangle the main drive shaft 230 of slipping toothed electromagnetic clutch 200, direct current wrom tooth decelerator 30 is installed in the position, rear flank of support 50; Its wrom tooth reduction gearbox output shaft end drives slipping toothed electromagnetic clutch 200 by synchromesh gear belt 31 and further gear reduction;

When gate was in off-position, fan door countercheck mechanism made whole gate passage open because slipping toothed electromagnetic clutch 200 is in from releasing state, and Returnning spring 130 draws back door leaf 100;

When gate is received " closing " control command, fan door countercheck mechanism is because slipping toothed electromagnetic clutch 200 is in attracting state, DC speed-reducing starts drive main spindle 230, swing door leaf 100, when the light barrier in the door leaf swing arm 120 140 shelters from sensor 42, the output control signal makes motor 30 reductions of speed, makes whole gate passage be in half-open semi-closure state, prevents to push the pedestrian;

Swing is after gate receives that " reduction of speed " control command makes motor 30 reductions of speed, and door leaf 100 continues, and when the light barrier in the door leaf swing arm 120 140 sheltered from sensor 43, output control signal just motor 30 stopped operating.Simultaneously, slipping toothed electromagnetic clutch continues electricly and keeps attracting state; Make whole gate passage open.

Prevented to be opened by force by external force after door leaf from cutting out, cooperated Returnning spring to make the fan door have outage to automatically reply function, and significantly reduced driving power, satisfied the usage requirement of automatic ticket checking gate.

Claims

1. slipping toothed electromagnetic clutch that is used for rotary scoing door, it is characterized in that: comprise the passive clutch wheel of making by high magnetic conductivity alloyed steel (1), the one end margin is some castellated concavo-convex tip edges (2), this end middle part is the bowl-shape annular chamber of open type, built-in annular magnet coil (3), Wiring connector (4) is connected external power supply, has the gong hole that is used for installing door leaf at another end face; The yoke center have connect main drive shaft (16), make passive clutch wheel (1) can on rotatingshaft, put the penetrating circular hole that revolves, passive clutch wheel center is embedded with two bearings: comprise roller bearing (6), roller bearing back-up ring (5), ball bearing (7), ball bearing back-up ring (8);

Also comprise: clutch wheel (9) initiatively, its center has penetrating blossom type hole (17), an end margin is some castellated concavo-convex tip edges (11), and dig down some degree of depth, make it can pass the bowl-shape sky of opening of rotatingshaft keyway (17) and Returnning spring (15); Its bowl-shape empty built-in armature sucker (12) of opening, spring bushing (14) is used for adjusting the adjusting gong nail (13) of clutch play; Can make it when off-position, back down sucker (12), keep the Returnning spring (15) and the back-up ring (19) of the reliable separation of clutch;

Also comprise: a transmission shaft (16), it is near active clutch wheel (9), and an end has blossom type keyway (17), and is inserted in initiatively clutch wheel (9) center plum blossom hole (10); Also comprise: the back-up ring (18,20) that props up the active clutch wheel that axial trace slides on the rotatingshaft keyway.