CN2821122Y

CN2821122Y - Drawing positioning device

Info

Publication number: CN2821122Y
Application number: CN 200520122700
Authority: CN
Inventors: 李福德
Original assignee: Individual
Current assignee: Individual
Priority date: 2005-09-20
Filing date: 2005-09-20
Publication date: 2006-09-27
Anticipated expiration: 2015-09-20

Abstract

The utility model relates to the technical field of clutch control, particularly to a drawing positioning device used for emergency release of an automatic door. The device can satisfy emergency process which power operation is converted to hand operation on the occasion of power failure. The drawing positioning device provided by the utility model at least comprises a slide block, a connecting rod, a rock rod, a swing rod, a fixing seat, a chute /slide rail and a follow block, wherein the slide block is connected with a drawing rope and is rabbeted with the chute / slide rail in a sliding mode. The utility model is characterized in that the rock rod is at least composed of a main force arm, two hinging positions and a stand bar; the connecting rod is respectively hinged with the slide block and the rock rod, the rock rod is hinged with the swing rod, and the other end of the swing rod is hinged with the fixing seat; the sliding contact between the stand bar and the follow block when the stand bar rotates can make the swing rod swing up and down. The utility model has small volume and convenient operation, which is suitable for various environments.

Description

A kind of tractive positioner

Technical field

The utility model relates to the Clutch Control field, and a kind of automatic door, window are realized the emergent disengagement of clutch by manual tractive positioner that is used for especially is provided.

Background technology

Existing remote control and electric rolling door, window, adopt tube shaped electric machine is power more, and this motor has auto-lock function, and rolling door can hover over the optional position, also comprises certainly being in self-locking state when closing equally, and existing safety guarantee is operated comparatively convenient again.But because situations such as power failure, outage often appear in some areas power tense, the normal use of remote control, electric rolling door has been subjected to great influence, even brings hidden danger.At above-mentioned situation, how when situations such as power failure, outage, electric control state to be switched to artificial manual state, become problem demanding prompt solution in the industry.Some producers have also released the manual disengaging gear of band rocking handle, worm gear, Worm type disengaging gear etc., but have to some extent all that application of force size is uneven, shortcoming such as displacement and reset operation are forbidden; Some enterprises adopt inverters in addition, but its structure is comparatively complicated and stability is not good enough.

Chinese patent 02265408.9 (a kind of tube shaped electric machine with arrangement of clutch is provided), it mainly comprises motor, outer tube, holder, driving head, torsion spring assembly, connector and mandrel, in holder, be provided with worm gear and worm screw, one end of mandrel is fixedlyed connected the other end and is fixedlyed connected with connector with worm gear, connector is fixed by screw and outer tube; Worm screw is fixed in the holder by thrust bearing, and the end of worm screw is connected with swing arm.The cross sectional shape of described worm screw is a semicircle that axial vane surface is pruned along tooth root.Swing arm is connected with extension spring, by the phase-locked company on flexible axle and flexible axle support and the door guide rail.

The clutch of tube shaped electric machine band worm gear, worm screw, at door and window circle, the insider is referred to as arrangement of clutch or disengaging gear habitually, and such device mainly is to utilize turning to of scarce garden worm screw that itself and worm gear are meshed, and suppresses the rotation of worm gear; Or do not mesh with worm gear, make it not limit the rotation of worm gear; Thereby as electronic or manual selection.The rotation of worm screw drives the fork that installs with worm screw by wire rope and realizes, discharges wire rope and realizes reverse rotation by back-moving spring afterwards.

Because said apparatus must rely on manually to control the distance drawn of wire rope, no accurate localization restriction, so in practical operation, be difficult to allow worm screw obtain when the corner of the best, to locate, also just be difficult to guarantee optimal engagement or disengagement fully between the worm and wheel.

In rolling door, window industry, because the door of being installed is different with the relative position of body of wall or its door opening, this field personage normally amasss the shop front and is installed in parallel with a body of wall and indoor side greater than door opening area, Qi Men and calls interior dress; The long-pending a certain position that is less than or equal to the door opening area, is installed in the thickness of wall body of the shop front is called middle dress.

Along with the develop rapidly of various places industry, the quick increase of power consumption, power failure/outage has become frequent thing in a lot of places, is converted to manual disengaging gear and is demanded urgently release especially by electronic during as all kinds of automatic doors, window emergency processing.

Summary of the invention

The purpose of this utility model is to provide a kind of tractive positioner; Especially provide a kind of automatic door, window of being applicable to by the emergent positioner of throwing off of manual tractive.

Another purpose of the present utility model is to provide a kind of tractive positioner that manual tractive is realized the clutch on-off of electric door, window that passes through that its device can be placed in the less emergent lock box and be applicable to multiple installment state.

For achieving the above object, by the following technical solutions one or more:

The tractive positioner comprises slide block, connecting rod, rocking bar, fork, holder, chute/slide rail, follow block at least; Slide block is connected in pulling rope and rabbets with chute/slide rail slip, rocking bar is made of main force's arm, two hinge joint positions and leg at least, this device comprises hinge joint center line A, B, C, D at least, and almost parallel each other, connecting rod one end and slide block hinge joint are that first hinge joint hinge joint of A, the other end and rocking bar is D for second of B, rocking bar links the position with the other end and the holder hinge joint that fork links to C, fork, and AB is at least greater than BC; In leg when rotation, is with the follow block sliding-contact and the C of supporting is arranged to the leg length that moves away from the chute in-plane.

In a preferred embodiment and the slide block of connecting rod hinge joint with and the holder of fork hinge joint place the chute two ends respectively, the first hinge joint position of the rocking bar by having leg and connecting rod hinge joint, second hinge joint connect with the hinge joint of fork.An important feature of the present utility model is: rocking bar main force arm is that the center drives B by the side of top rotation direction near D with C, simultaneously in the process of leg by a side of shifting to close A near the side of D towards the C below, supporting leg C is to moving away from the chute in-plane, and the direction near A is stretched in the leg termination, adopting technique scheme is in order to allow the less angle of rocking bar swing can reach the purpose of self-locking, lay the foundation for this device being put into narrow and small emergent lock box, ram travel distance is between BC and 2 times of BC.

In another preferred embodiment, B, C with D be together the center by a side of closing on A around opposite side to D, the stroke distances of slide block is at BC, CD sum and BC, between 2 times of the CD sum, an important feature of the present utility model is: leg and follow block offset and can promote C and peak substantially, Dui Ying follow block place is provided with a step that stops leg to slip in short-term therewith, is that fulcrum walk around dead point that leg and fork constitute with leg and follow block junction to force C under the arm effect of the rocking bar main force, make B, C all forwards the opposite side of D to, reaction force on acting on rocking bar is weakened gradually when disappearing, in position be provided with the leg termination, rocking bar or fork strengthen the parts of frictional force, to help the instant lock in place of associated components, reduce the scope of the rocking bar anglec of rotation; For being put into narrow and small emergent lock box, this device created condition again.

In implementation process, when different clutches or the parts that link to each other with clutch are in different conditions, tractive is thrown off needed power difference, resistance can add extension bar to increase the main force's arm lengths when big, its connection form promptly can be that the form that post and hole are halved together connects, can be again that the slot form connects, can also be that thread forms connects.

At the pulling rope inlet side, chute/slide rail termination is provided with leading block, just can play this leading block effect as chain section, and to establish a little axle tangent with the pulling rope path with chain section diaxon vertical direction, then all can introduce pulling rope from a plurality of directions.

Beneficial effect

The tractive positioner that the utility model provides, be applicable to motor driving shaft band clutch, also can be used for the electric door door lifter, also be applicable to the tractive positioning control of tube shaped electric machine worm gear, worm screw throw-out-of clutch; Can prevent the generation of non-permit operation and maloperation effectively; This device is not only applicable to middle dress/multiple installation forms such as interior dress in electric door, window field, but also comes to determine its installation site as the case may be, can be loaded on indoorly can be loaded on outdoorly again, and the selection of number of ways is provided for the user.

Description of drawings

Fig. 1, be the tractive view of tractive positioner.

Fig. 2, be the disengaged condition schematic diagram of tractive positioner.

Fig. 3, be the big of tractive positioner apart from tractive state front-view schematic diagram.

Fig. 4, be the big of tractive positioner apart from the disengaged condition schematic rear view.

Fig. 5, be the closure state schematic diagram of tractive positioner.

Fig. 6, the closure state schematic diagram that is the tractive positioner in emergent lock box.

Fig. 7, the tractive state schematic rear view of extension bar is arranged for the tractive positioner.

Fig. 8, be tractive positioner rocking bar main force's knee-joint mouth and extension bar interface structure schematic diagram.

Fig. 9, be tractive positioner contraction state schematic diagram.

Figure 10, be concealed in view in the emergent lock box for the tractive positioner.

Figure 11, be concealed in box body cut-away diagram in the emergent lock box for the tractive positioner.

Figure 12, be the emergent lock box adapted guard housing schematic diagram of tractive positioner.

Among the figure, slide block 10, pulling rope 11, pulling rope hand-hole 12, the fastening screw 13 of pulling rope, connecting rod 20, breach 22, rocking bar 30, rocking bar main force arm 31, the rocking bar first hinge joint position 32, the rocking bar second hinge joint position 33, leg 34, fork 40, holder 50, chute/slide rail 60, follow block 70, boss 71, spring leaf 73, extension bar 80, extension bar interface 90, rocking bar interface 91, tractive positioner 100, emergent lock box 120, guard housing 130.

Below in conjunction with the embodiment that simply illustrates in the accompanying drawing the utility model is described in further detail:

Referring to Fig. 1-2, pulling rope 11 penetrates pulling rope hand-hole 12, the fastening screw 13 of pulling rope is inserted fastening bolt can realize being connected of pulling rope 11 and slide block 10, slide block 10 slides with chute 60 and rabbets, 10 hinge joints of connecting rod 20 1 ends and slide block are D for the second hinge joint position 33 of B, rocking bar 30 and fork 40 hinge joints for the other end of C, fork 40 links with holder 50 for the first hinge joint position, 32 hinge joints of A, the other end and rocking bar 30, and AB segment length is in the BC section; During leg 34 rotation with follow block 70 sliding-contacts and the C of supporting is arranged to the leg length that moves away from chute 60 in-planes.

Stir rocking bar main force arm 31, it is rotated around the rocking bar 30 C axle corresponding with fork 40 hinge joint center line C, rocking bar main force arm 31 is around to the outside in rotating process, leg 34 is around to the inside, when leg 34 terminations when smooth follow block 70 slides, supporting the C axle rotates around the D axle of its fork 40 with holder 50, after rotating little angle, begin revolution immediately, 34 the longest sections zones that slip over the C axle to follow block 70 minimum ranges of leg this moment, rocking bar main force arm 31 is around to holder 50 on one side, leg 34 slides to slide block 10 1 sides gradually, its process make the B axle by one side of C axle around to another side, the distance of A to D shortens, promptly slide block 10 affects pulling rope 11 to slide to holder 50, connecting rod 20 is provided with breach 22 with C axle touching position, link the line that center line C exceeds A and D this moment, is subjected to the acting in opposition of pulling rope 11, and C trend AD line has forces leg 34 to stretch to slide block 10 1 sides' power along follow block 70 surfaces, form self-locking until mechanism, to reach the location; For the sake of assurance a mild boss 71 is established in leg 34 end positions inboards, more help the lock-bit of mechanism.

Referring to Fig. 3-4, the stroke of A is relevant with the length between B, the C, and desire strengthens stroke, the distance between B, the C that can extend, but the volume of whole device can obviously strengthen; On the basis of the whole device volume of not obvious increasing, only leg 34 grades of rocking bar to be done some and change, the A stroke can obtain increase at double; Both leg 34 lengthenings, fork 40 will rotate around D with rocking bar 30, when the angle that is enough to rotate roughly 90 when spending around D, give 34 1 resistances of leg, rocking bar 30 promptly can together continue to rotate around D with fork 40, crosses the dead point, and rocking bar 30 and fork 40 are together around the opposite side to D, forward roughly A, D, C, B arrangement to by original A, B, C, D arrangement, also make the A operation add the stroke of CD sum length near two BC.

Referring to Fig. 5-8, its device places within the emergent lock box 120, for allowing rocking bar 30 obtain an angle of being convenient to handle, can apply the resiliency supported of a spring leaf 73 to leg 34, and convenience all is provided when stirring rocking bar 30 or connecting extension bar 80; Lid is vowed rocking bar 30 and is pressed when closing lid, with the supporting force that overcomes 73 pairs of legs 34 of spring leaf it is compressed in the box.Just in order to adapt to the working environment that bigger traction force can affect, set up interim extension bar 80, can increase rocking bar main force arm 31 length, near ends one interface that is coupled to each other with extension bar 80 is set at rocking bar main force arm 31, extension bar interface 90 and rocking bar interface 91 adopt the fit system of holes and post, and is laborsaving simple and efficient again when operating like this.Various ways such as in like manner can adopt sleeve pipe, slot, be threaded.

Referring to Fig. 9-11, after the device compression, rocking bar 30, connecting rod 20, fork 40 are arranged all smooth-goingly, and slide block 10 and holder 50 minutes be to two ends, a side in whole device places in the emergent lock box 120 partially.An outer partially side chain tongue to the distance of lid is enough to put down extension bar 80 in the box, and the carriage of putting extension bar can be set.

Referring to Figure 12, for emergent lock box adds guard housing 130, when emergent lock box 120 need not embed in the wall and when being arranged on wall surface, then adds the lock box guard housing 130 of meeting an urgent need; Pulling rope 11 intakes are close to guide rail and make it communicate with its inner chamber, multi-direction messenger is with it in conjunction with utilization, thus indoor, outdoor, middle dress, in adorn multiple installation environment and all can satisfy suitable.

Claims

1, a kind of tractive positioner (100), at least comprise slide block (10), connecting rod (20), rocking bar (30), fork (40), holder (50), chute/slide rail (60), follow block (70), slide block (10) is connected in pulling rope (11) and rabbets with chute/slide rail (60) slip, it is characterized in that: rocking bar (30) is at least by main force's arm (31), the first hinge joint position (32), the second hinge joint position (33) and leg (34) constitute, this device comprises hinge joint center line A at least, B, C, D, and almost parallel each other, connecting rod (20) one ends and slide block (10) hinge joint are A, the other end and first hinge joint position (32) hinge joint are B, the second hinge joint position (33) is C with fork (40) hinge joint, and the other end of fork (40) and holder (50) hinge joint are D; AB is at least greater than BC; In leg (34) when rotation, is with follow block (70) sliding-contact and the C of supporting is arranged to the leg length that moves away from chute/slide rail (60) in-plane.

2, tractive positioner according to claim 1 is characterized in that: connecting rod (20) is provided with breach (22) with the contacted position of C.

3, tractive positioner according to claim 1 is characterized in that: rocking bar (30) is provided with can increase the spare interface that main force's arm (31) length can connect extension bar (80).

4, according to the described tractive positioner of claim 1-3, it is characterized in that: rocking bar main force arm (31) is halved together by extension bar interface (90) and rocking bar interface (91) with extension bar (80).

5, according to the described tractive positioner of claim 1-3, it is characterized in that: rocking bar main force arm (31) connects by slot with extension bar (80).

6, according to the described tractive positioner of claim 1-3, it is characterized in that: rocking bar main force arm (31) passes through thread connection with extension bar (80).

7, according to the described tractive positioner of claim 1-3, it is characterized in that: A, permission is arranged by roughly A, B, C, D arrange B, C, D changes into the roughly distance of A, D, C, B arrangement around D between the B, it is that the center rotates to the roughly length and slick and sly end of the opposite side of D with D that leg (34) has promotion C.

8, according to the described tractive positioner of claim 1-3, it is characterized in that: in pulling rope hand-hole (12) one sides, chute/slide rail (60) termination is provided with the guiding chain section that pulling rope (11) is introduced from a plurality of directions.

9, according to the described tractive positioner of claim 1-3, it is characterized in that: its tractive positioner (100) is placed within the emergent lock box (120).

10, according to the described tractive positioner of claim 1-3, it is characterized in that: be provided with emergent lock box (120) is installed on the emergent lock box guard housing (130) that metope is used.