CN2162156Y

CN2162156Y - Electric extension net frame device

Info

Publication number: CN2162156Y
Application number: CN 93217693
Authority: CN
Inventors: 赵井泉
Original assignee: Individual
Current assignee: Individual
Priority date: 1993-07-09
Filing date: 1993-07-09
Publication date: 1994-04-20
Anticipated expiration: 2003-07-09

Abstract

The utility model relates to an electric extension net frame device, which comprises a motor (2), a gear box (3) and two net frame drive devices (6), wherein, the net frame drive device is mainly composed of a small gear (62), big gears (63a, 63b) and a gear wire (64). One end of the gear wire (64) is connected with an innermost section of rod (61a) of a telescopic multisection draw rod (61). When the motor (2) rotates in different directions, the multisection draw rod (61) can be extended or retracted. The utility model is especially suitable for matching with a simmons bed.

Description

Electric extension net frame device

The utility model relates to a kind of telescopic mosquito net class hanger, relates to a kind of tester device of electric expansion particularly.

Since ancient times, the employed bedstead mosquito net of China is that four traditional corner post formulas hang mosquito net.Along with the propelling of modern civilization, this traditional bedstead is replaced by the spring-mattress-form shape of Modern Family (not having four corner posts).But the bed of this nothing four corner posts can't directly hang mosquito net, even hang up mosquito net at the Corner Strapped column of spring-mattress-form shape, has destroyed the aesthetic feeling design of spring-mattress-form shape again, and has brought inharmonic atmosphere for the bedroom of decorating quiet and tastefully laid outly.Although some family has installed facilities such as air-conditioning the bedroom and the external world are separated, played mosquito repellent in outdoor effect, the fresh air that has dew night can not enter the bedroom, thereby people's health has been formed adverse effect.

In order to overcome the difficulty that modern spring-mattress-form shape hangs mosquito net, therefore the purpose of this utility model is to provide a kind of new-type mosquito net rack device, it can make traditional mosquito net directly be used for modern spring-mattress-form shape, can solve the aesthetic feeling problem that modern spring-mattress-form shape can not use column again, and this Mosquito net rack device is very easy in the use operation.

This purpose of the present utility model is achieved like this, promptly designed a kind of electric-extending mosquito net supporting device, it is characterised in that: be equipped with two by a motor and the tester drive unit that gear reduction box drives on the support of a tester device, wherein the output shaft of motor is connected with the power shaft of reduction box, and the output shaft of gear reduction box is connected with the common power shaft of these two tester drive units by a shaft joint; The tester drive unit mainly is made up of shell, pinion, gear wheel and gear silk, wherein pinion is driven by power shaft, pinion drives gear wheel, gear wheel driven gear silk, one end of this gear silk is connected with the interior pole of telescopic more piece pull bar, and the other end of gear silk is positioned at tester drive unit shell movably.

Like this, when pressing the button switch of motor, these two tester drive units will form synchronous driving, two telescopic more piece pull bars are side by side stretched out or withdraw, at the bar cloth cover that is with on the more piece pull bar above the rectangle mosquito net both sides, therefore can make mosquito net open or shrink.This electric-extending mosquito net supporting device can be installed on the wall of the first take the altitude of spring-mattress-form shape, on the daytime of not using mosquito net, pull bar is in contraction state, it vertically stretches out a less distance (being about 50cm) from metope, make the mosquito net of contraction sagging at head of a bed place, just be used on the coverage quilt, seeming elegant in appearance.By this technical scheme of the present utility model thereby can make traditional mosquito net directly be used for modern spring-mattress-form shape, and do not use column again on the spring-mattress-form shape limit, kept the aesthetic feeling of spring-mattress-form shape, and easy to use, so just realized above-mentioned purpose of the present utility model.

For other various configurations of the present utility model and advantage are done deep understanding, preferred embodiment of the present utility model is done detailed explanation below with reference to accompanying drawing.Accompanying drawing is:

Fig. 1: the overall sketch plan of a preferred embodiment of electric-extending mosquito net supporting device of the present utility model;

Fig. 2: the perspective view of analysing and observe the tester drive unit that form represents with part;

Fig. 3 a, 3b: two kinds of multi-form motor wiring figure;

Fig. 4: the overall sketch plan of another preferred embodiment of electric-extending mosquito net supporting device of the present utility model.

Can see the structure of a preferred embodiment of electric-extending mosquito net supporting device of the present utility model by Fig. 1.Wherein be equipped with on the tester appliance stand 1 drive by a motor 2 and gear reduction box 3 two on tester drive unit 6, the output shaft of motor 2 is connected with the power shaft of gear reduction box 3, and the output shaft of gear reduction box 3 is connected with the common power shaft 7 of these two tester drive units 6 by shaft joint 8.

The structure of these two tester drive units 6 is identical, has therefore only described the structure chart of one of them on Fig. 2.Can see by Fig. 2, this tester drive unit 6 mainly is made up of shell 68, pinion 62, a pair of gear wheel 63a, 63b and gear silk 64, wherein pinion 62 is driven by power shaft 7, pinion 62 drives gear wheel 63a, 63b, gear wheel 63b driven gear silk 64, one end 64a of gear silk 64 is connected with the interior pole of telescopic more piece pull bar 61, the mobilizable tester drive unit shell 68 that is positioned at of the other end 64b of gear silk.Like this, power shaft 7 can rotate on both direction under the drive on opportunity, gear silk 64 is moved to housing exterior just make more piece draw piece 61 stretch out the arrival maximum position; Gear silk 64 is moved to enclosure, thereby make more piece draw piece 61 by being reduced to the shortest position.As previously mentioned, on more piece pull bar 61, be with the bar cloth cover of mosquito net, thereby mosquito net is opened as required or withdraw.

Stretch out fully or withdrawal and motor 2 still no longer makes 64 motions of gear silk under the situation of rotating fully in order to make at pull bar 61, thereby be provided with a pair of gear wheel 63a, 63b, they are placed on the central shaft 67 overlappingly, gear wheel 63a is fixedlyed connected with central shaft 67, and gear wheel 63b then can rotate around central shaft 67.Also be with a bias spring 65 on axle 67, it is pressed on the gear wheel 63b under the effect of nut 66a and compressing tablet 66b, and makes and have bigger frictional force between gear wheel 63a and the 63b.Like this, when pull bar 61 did not stretch out fully or withdraws, pinion 62 drove gear wheel 63a, thereby gear wheel 63b frictionally rotates 64 motions of driven gear silk; In case pull bar stretches out fully or withdrawal fully, then gear silk 64 no longer can move, gear wheel 63b no longer can be rotated, if at this moment still rotating opportunity, will make driving force greater than the frictional force between gear wheel 63a and the 63b, thereby make gear wheel 63a idle running, and do not cause gear silk 64 impaired.

For making well engagement between gear silk 64 and the gear wheel 63b, in shell 68, the outside of gear silk 64 is provided with a pinch roller 60, and this pinch roller 60 is pressed on the gear wheel 63b gear silk 64 closely connectedly.

For gear silk 64 can be rapped around in the interior space of shell, gear silk 64 is by plastic material on the one hand, make as nylon, be provided with a guided plate 69 on the outside of other direction gear wheel 63b in drive unit shell 68, there is an annular guide channel 69a inboard of this plate, gear silk 64 can move along the inside of this guide groove 69a and from the outlet 69b of this guide groove around in the outside and the space shell 68 inboards of gear wheel 63b.The inner 64b of gear silk 64 has seldom a part of outside that is positioned at guide groove outlet 69b when pull bar 61 stretches out fully.

More piece pull bar 61 utilizes the inner of its outermost one pole 61d to be fixed in the interface tube 68b of drive unit shell 68, their available screw 68d fix, as shown in Figure 2, also can be otherwise, the spiral shell button is set among the interface tube 68b interfixes as outside bar 61d the inner, reaching.Be to strengthen more piece pull bar 61 at whole steadiness of extended positions, more piece pull bar 61 is made by the thicker stainless steel tube of diameter, outermost bar 61d to the diameter of interior bar 61a in the scope of 15cm to 10cm.For weight reduction, the thickness of bar wall can be done thinlyyer, in 30 to 40 scope simultaneously.Another measure of gaining in strength is, pull out between the adjacent rod member in back at more piece pull bar 61 and to have an overlap length L, this length L is about 2～3cm, also promptly in each the afterbody of bar 61a to 61c have the jumping-up part of respective length L, the length that more piece draw piece 61 stretches out fully is equivalent to the length of mosquito net.For more piece draw piece 61 is regained, the bottom of bar 61a～61c is provided with crimping in each, utilizes overlapping each pull bar that makes of these volumes to transmit retracting force mutually.The top of this external each bar 61b～61d is provided with the part of inwardly dwindling, and is used for transmitting between each bar the power of stretching out.The outer end 64a of gear silk 64 can utilize Screw or rivet to be connected with the wall of interior bar 61a.

These two tester drive units 6 utilize two footing 68a of shell 68 bottoms and two screw 68c that can screw in wherein to be fixed on the support 1 distance of their apart mosquito net width.On support 1, be provided with hole 11 and be used to be fixed to wall.Its fixed form depends on the circumstances, and is concrete walls as wall, then can utilize swell fixture to fix.

Motor 2 can adopt small-sized AC induction motor or direct current generator.The wiring diagram of small-sized AC induction motor is adopted in expression among Fig. 3 a, and wherein this small-sized AC induction motor is electric 220 volts an of power supply, and power is at 6 to 10 watts single-phase asynchronous machine.It has two windings, promptly work winding 2a and starting winding 2b, and work winding 2a is by the normally open contact 4a of electromagnetic contactor 4a and 4b ₂, 4b ₂And 4a ₃, 4b ₃Be connected for 220 volts with AC power, starting winding 2b is through capacitor 2c and normally open

contact

4a ₁, 4a ₄, or normally open contact 4b ₁, 4b ₄Be connected with 220 volts of power supplys.Just changeing button 5a, stop button 5c and invert button 5c contact mutually with electromagnetic contactor coil 4a and 4b respectively and are connected on 220 volts of the power supplys, also distinguish normally open contact 4a in parallel on push button 5a and 5b ₅With 4b ₅, as shown in Fig. 3 a.Like this after pressing push button 5a, contact 4a ₁To 4a ₅Closure makes motor 2 forward rotation, and more piece draw piece 61 is stretched out, and after pressing push button 5b, contact 4b ₁To 4b ₅Closure makes the motor counter-rotating and makes 61 withdrawals of more piece draw piece; Motor 2 stops operating when pressing when stopping push button 5c then.Power supply short circuit in order to prevent to press 5a, 5b simultaneously also is in series with the normally closed interlock 4b of contactor 4b and 4a respectively in the branch road of push button 5a and 5b ₆And 4a ₆Wherein contactor 4a, 4b and contact thereof are equipped with in the box 4, and this box 4 can be installed on the top board 12 of support 1.Push button 5a to 5c is located in the button box 5, and this box 5 can freely hang down, and also can utilize screw to be installed on the wall.

Fig. 3 b represents to adopt the wiring diagram of permanent magnetic DC motor, at this moment AC power is passed through transformer 41 for 220 volts, be connected in the switch enclosure 5 ' behind the supply unit 4 ' that rectifier 42 and wave filter 43 are formed, three row's contacts 51 to 53 are arranged in the switch enclosure 5 ', slide switch spare 54 can forward and backward, stop sliding between three positions, can make permanent magnetic DC motor 2 ' change the direction or the outage of direct current supply according to the wiring among Fig. 3 b, thereby make motor positive and inverse or stop.Supply unit 4 ' still can be installed on the support 1.

Fig. 4 represents another structure chart of preferably implementing of the utility model electric-extending mosquito net supporting device, the difference of embodiment is among this embodiment and Fig. 1: motor 2 and reduction gear box 3 are arranged in the middle part of support 1, other parts are basic identical, and the characteristics of this layout are that the driving force of motor can be delivered on two tester drive units 6 very uniformly.

Described above only is to be used to illustrate preferred embodiment of the present utility model, obviously also can make various remodeling to the utility model under the utility model design, for example can choose the gearratio of gear according to actual conditions.As ready-made reduction gear box gearratio hour, then can choose big gear ratio, might between large and small gear 63a, 62, add idler gear again.The stretching speed of pull bar is limited in the reasonable range is as the criterion, once stretch or contract as finishing in to two minutes at tens of seconds.Even can also adopt step-by-step motor directly to drive tester drive unit 6, and so just can save reduction gear box, its speed can utilize the frequency of power supply pulse to regulate.

For weight reduction, the support 1 of electric-extending mosquito net supporting device of the present utility model is made as rigid plastics or aluminium alloy by light material.Drive unit shell 68 can be made by plastics, large and small gear 63a, 63b, 62 and pinch roller 60 can make by plastic material such as nylon.

Because electric-extending mosquito net supporting device of the present utility model has just found a kind of desirable mosquito net hang for modern spring-mattress-form shape.It can make traditional rectangle mosquito net be used in modern spring-mattress-form shape, does not only influence the attractive in appearance of bed, returns its head of a bed and has increased a not only practicality but also ornamental mechanism is arranged.Morning, WA only need click button switch gently, and whole mosquito net just is retracted to the head of a bed one side and presents the third dimension that veiling hangs down into the head of a bed.Gently click push button when falling asleep evening again, and whole mosquito net stretches out and is in full swing, and a body is enclosed in the dim mosquito net, reaches not only mosquito repellent but also can have a breath of fresh air, and is of value to physically and mentally healthy and effect attractive in appearance.This novel electric extending mosquito net supporting is applicable to huge numbers of families and the use of each hotel.

Claims

1, a kind of electric-extending mosquito net supporting device, it is characterized in that: be equipped with on the tester appliance stand (1) drive by a motor (2) and a gear reduction box (3) two on tester drive unit (6), wherein the output shaft of motor (2) is connected with the power shaft of reduction gear box (3), and the output shaft of gear reduction box (3) is connected by the common power shaft (7) of two tester drive units of a shaft joint (8) and this (6); Tester drive unit (6) mainly is made up of shell (68), pinion (62), a pair of gear wheel (63a, 63b) and gear silk (64), wherein pinion (62) is driven by power shaft (7), pinion (62) drives gear wheel (63a, 63b), gear wheel (63b) driven gear silk (64), one end (64a) of this gear silk (64) is connected with the interior pole (61a) of telescopic more piece pull bar (61), and the other end of gear silk (64b) is arranged in tester drive unit shell (68) movably.

2, electric-extending mosquito net supporting device according to claim 1, it is characterized in that: described a pair of gear wheel (63a, 63b) is placed on the central shaft (67) overlappingly, a gear wheel (63a) is fixedlyed connected with central shaft (67), another gear wheel (63b) can rotate around central shaft (67), also be with a bias spring (65) on axle (67), it is pressed on the gear wheel (63b) under the effect of nut (66a) and compressing tablet (66b).

3, electric-extending mosquito net supporting device according to claim 1 is characterized in that: in shell (68), the outside of gear silk (64) is provided with a pinch roller (60); And in shell (68), the outside of gear wheel (63b) is provided with a guided plate (69), there is an annular guide channel (69a) inboard of this plate, gear silk (64) can move along the inside of this guide groove (69a), and from the outlet (69b) of this guide groove around in the outside and the space shell (68) inboard of gear wheel (64b).

4, electric-extending mosquito net supporting device according to claim 1, it is characterized in that: the inner of its outermost one pole (61d) of described more piece pull bar (61) is fixed in the interface tube (68b) of drive unit shell (68), after more piece pull bar (61) is pulled out, has an overlap length (L) between the adjacent body of rod, promptly the afterbody of bar (61a to 61c) has the jumping-up part of respective length (L) in each, and the bottom of bar (61a to 61c) is provided with crimping in each, is provided with the part of inwardly dwindling on the top of some bars (61b to 61d).

5, electric-extending mosquito net supporting device according to claim 3, it is characterized in that: its medium-height trestle (1) is made by light material such as duroplasts or aluminium alloy, drive unit shell 68) makes by plastics, gear silk (64), large and small gear (63a, 63b, 62) and pinch roller (60) are made by plastic material such as nylon, and more piece pull bar (61) is made by stainless steel tube.

6, electric-extending mosquito net supporting device according to claim 1 is characterized in that: wherein motor (2) can adopt small-sized AC induction motor, permanent magnet dc motor or stepper motor.

7, according to claim 1 or 6 described electric-extending mosquito net supporting devices, it is characterized in that: motor (2) and gear reduction box (3) can be arranged in an end or its middle part of support (1), can place an electromagnetic contactor box (4) or supply unit (4 ') on support (1).