CN101335136A - Electric furniture driving apparatus - Google Patents
Electric furniture driving apparatus Download PDFInfo
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- CN101335136A CN101335136A CNA2007100494529A CN200710049452A CN101335136A CN 101335136 A CN101335136 A CN 101335136A CN A2007100494529 A CNA2007100494529 A CN A2007100494529A CN 200710049452 A CN200710049452 A CN 200710049452A CN 101335136 A CN101335136 A CN 101335136A
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Abstract
The invention discloses a furniture driving device which is used for mutually and relatively adjusting furniture components and comprises at lease one driving unit. The driving unit and the furniture components to be adjusted establish operation connections. In addition, the furniture driving device also comprises at least one switch which is used for disconnecting the driving unit and a power supply, or connecting the driving unit with the power supply. According to the furniture driving device of the invention, the switch realizes mechanical operability by mechanically operating the machine elements.
Description
Technical field
The present invention relates to a kind of electric furniture drive apparatus of the sort of type that in the upperseat concept of claim 1, is proposed, in order to the each several part member of mutual relative adjustment furniture.
Background technology
Such furniture drive is generally in the industry to be known, and can be used for for example adjustable member of adjustable plate grid pad, sick bed, couch or desk.Known furniture drive can be designed to so-called single drive unit, has only a single driver element, is conditioned member with of furniture and sets up and be operatively connected on the installation site of furniture drive.Known furniture drive also can be designed to so-called duplex drive, and it has two driver elements, and each is conditioned member with of furniture and sets up and be operatively connected on the installation site of furniture drive.If this duplex drive is used for for example regulating a lath grid pad, then can adjustable head component foundation be operatively connected, be operatively connected with one of another driver element and lath grid pad adjustable foot part component foundation with a driver element and lath grid pad one.
The known furniture drive that the described type of using for mutual relative adjustment furniture parts is arranged, it has at least one to be transferred furniture parts to set up the driver element that is operatively connected with one on the furniture drive installation site.Known furniture drive has a Power Supply breaking system, and it comprises that at least one switch is used for making driver element to throw off power supply or driver element is connected on the power supply.Purpose with Power Supply breaking system is when not using furniture drive, the one or more driver elements and the power supply of furniture drive to be thrown off.Electric field will prevent that in this way electric field from leaking from the driver element that is under the "on" position, because may influence the health that rests near the people of driver element.Be installed in when a corresponding furniture drive on the lath grid pad of bed, and need prevent to disturb the people's who on the lath grid pad, has a rest sleep the time, be particularly suitable for using Power Supply breaking system from the electric field of driver element.
Known Power Supply breaking system expends bigger in the mill, thereby relatively more expensive, so it obviously raises known furniture drive price.
Summary of the invention
Basic purpose of the present invention is, provides to be proposed in a kind of upperseat concept of claim 1 of the present invention, the electric furniture drive apparatus of the fairly simple and the sort of type that can make with favourable cost price.
This purpose is to solve with the invention described in the claim 1: be used for the electric furniture drive apparatus of mutual relative adjustment furniture parts, having at least one is transferred parts to set up the driver element that is operatively connected with furniture on the furniture drive installation site, and have one in order to driver element and power supply are thrown off or driver element is connected to the Power Supply breaking system of the switch of power supply, it is characterized in that described switch is that available mechanically actuated operation parts are realized mechanically operated switch.
The cognition of institute of the present invention foundation is, known Power Supply breaking system why expend bigger and expensive reason particularly in, it comprises many electric or electronic units, need make driver element break away from power supply automatically with these parts when not needing to use furniture drive.Basic ideas of the present invention are, can become the switch of available mechanical system operation to driver element in order to the switch designs that breaks away from power supply or be connected to the Power Supply breaking system of power supply, and operate with mechanically actuated operation parts.According to the present invention,, make driver element break away from power supply or be connected on the power supply by method with the mechanical system console switch.Simple especially in this way, and thereby can make Power Supply breaking system with favourable cost price.Therefore, according to the present invention no longer needs expend bigger electric or electronic-circuit device.
The executive component that for example and particularly has a kind of available mechanical system operation when driver element, when to such an extent as to the function of driver element can excite with mechanical system, just can give driver element and public mechanical operation parts of switch configuration, so that co-operate driver element and Power Supply breaking system.Can guarantee to have only when actual needs just driver element to be connected on the power supply in this way,, throw off power supply automatically when when not required.
Another formation scheme of above-mentioned form of implementation is predesignated, and the mechanically actuated operation parts comprise a traction piece, particularly a flexible traction spare.Constitute the mechanically actuated operation parts in this way especially simply.Another formation scheme of above-mentioned form of implementation is predesignated, and traction piece is pulled in a flexible overcoat according to the type of flexible drag-line.Traction piece be can protect in this way, damage and casual operation avoided.
The driver element of furniture drive of the present invention generally comprises a DC motor, use the public electric wire net power supply, between electric network source and driver element, connect a transformer on the one hand, to reduce line voltage, connect a rectifier on the other hand, the AC rectification that voltage has been reduced becomes direct current.If the transformer of furniture drive spatially is arranged apart, for example be arranged in the socket power parts of spatially separating with furniture drive, then should constitute the power supply of drive unit to the secondary side of switch arrangement at transformer.In this form of implementation,, make the driver element outage by the secondary power supply voltage of driver element with transformer is separated.Because transformer spatially is what to separate with furniture drive in this form of implementation, so can avoid the electric field that causes by furniture drive in this way basically.
Different therewith, another preferable formation scheme of theory is predesignated according to the present invention, and switch arrangement is at the primary side of transformer, and its secondary side constitutes the power supply of driver element.In this form of implementation, transformer separates with electric network source at primary side.If transformer is captured in the housing of furniture drive, then this form of implementation spy is good.In this form of implementation, separate with electrical network at primary side that by transformer driver element is separated with electrical network.
In principle, the switch of Power Supply breaking system can be arranged in outside the housing of furniture drive.But another preferable formation scheme of theory is predesignated according to the present invention, and switch arrangement is within a housing of furniture drive.
The operation parts that the switch of operating power tripper is used are independent operation parts in principle.But another special good formation scheme of theory is predesignated according to the present invention, the operation parts of default co-operate switch and at least one driver element executive component.In this form of implementation, co-operate is used the operation of this executive component may command driver element of driver element at the Power Supply breaking system switch of a side and an executive component of driver element.Further simplify furniture drive of the present invention in this way and improve user's operational comfort.
Another preferable formation scheme of above-mentioned enforcement likeness in form is predesignated, on time successively successively the operation parts of console switch and at least one driver element executive component be to constitute like this, that is: driver element can be connected to power supply earlier before utilizing its executive component of switching manipulation.In this form of implementation, furniture drive starts in two steps, and method is the switch of first operating power tripper, and so and energized starts driver element for the executive component of driver element through configuration then.
If driver element can utilize the switch one pole to throw off electrical network, and is just enough according to the present invention.Residual electric field when utilizing switch to throw off power supply in order further to reduce driver element, another preferable formation scheme of theory is predesignated according to the present invention, and driver element utilizes switch two utmost points to throw off electrical network.
Description of drawings
Below, further illustrate the present invention with reference to the accompanying drawings, the embodiment of furniture drive of the present invention has been shown in the accompanying drawing.
In the accompanying drawing:
Figure 1 shows that with end view and and an embodiment of the furniture drive of the present invention represented of signal schematic diagram;
Fig. 2 A-2G is depicted as with the furniture drive of Fig. 1 same as in figure 1 but that represent than the schematic diagram that 1 engineer's scale of Fig. 1 the has dwindled situation in the different adjustment movement stages;
Fig. 3 A-3C is depicted as second embodiment that uses the furniture drive of representing with the similar schematic diagram of Fig. 1 of the present invention;
Figure 4 shows that the perspective view of a manual manipulation unit of the furniture drive of Fig. 1;
Figure 5 shows that the manual manipulation unit of using with the same perspective representation of Fig. 4, wherein, omitted the first half of shell for illustrated reason;
Fig. 6 A-6D is depicted as the manual manipulation unit perspective view of seeing Fig. 4 from below, wherein, has omitted the latter half of shell for illustrated reason, and shows the operating element in different locational manual manipulation unit.
Figure 7 shows that the circuit diagram figure that is equipped with the furniture drive of Power Supply breaking system first embodiment according to the present invention;
Figure 8 shows that an embodiment who uses the furniture drive of representing with the same schematic diagram of Fig. 7 that is equipped with Power Supply breaking system second embodiment according to the present invention;
Figure 9 shows that the perspective view of a mechanical operable switch that in the Power Supply breaking system of Fig. 7, adopts;
Figure 10 A is depicted as according to the present invention similar the 3rd embodiment who adopts switch furniture drive of the present invention when first position of the switch of Fig. 9 with the embodiment of Fig. 7, and
Figure 10 B is depicted as the embodiment that uses the switch Figure 10 A when the second switch position that represents with the same schematic diagram of Figure 10 A.
Embodiment
Figure 1 illustrates first embodiment of furniture drive 2 of the present invention, described furniture drive 2 is used for each parts of the furniture that do not illustrate among the mutual relative adjustment figure.Fig. 1 and Fig. 2 A-2G only are the principles of work and power that is used for showing furniture drive 2, belong to pure signal and principle sketch map.
How to utilize linear movement drive element certain part to furniture, methods that the head component or the foot part component of lath grid pad are regulated for example, the expert generally knows, and therefore is not further elaborated here.
According to the present invention, but default one first machinery operation-control switch 10 can be controlled motor like this with it, get final product so that the linear axis of motion 4 of drive element in Fig. 1 to left movement.First control switch 10 is settled in the housing of the furniture drive 2 that is not shown specifically in the drawings, can turn round around a gyroaxis 12 that moves towards on the diagram plane inwardly, and be furnished with an exercisable switch element 14 of machinery.If upwards push the switch element 14 among Fig. 1, first control switch 10 control motor so then, promptly drive drive element 8 in Fig. 1 to left movement.For this reason, first control switch 10 is connected with a power supply on the one hand through corresponding lead, is connected with motor on the other hand.
For console switch element 14, be preset with the mechanically actuated operation parts according to the present invention, in the present embodiment, these operation parts have a cam-like executive component 20 that can move on double-head arrow 16 directions, these executive component 20 tensions are connected with the traction piece 22 of stay cord shape in the present embodiment.
But the 10 wraparound rotating shafts 12 of first control switch are a revolution between the position of the switch shown in Fig. 1 (tracks that its switch element 14 enters motor element 20 on this position) and the terminal scram position that also will further specify below another (breaking away from tracks at its switch element 14 on this position).Simultaneously, first control switch 10 can also move between the position of the switch and terminal scram position under the effect of slide plate 24.
In the present embodiment, except first control switch 10, furniture drive 2 also has second control switch 42, available it control motor like this, drive element 8 is moved right along the linear axis of motion 4 among Fig. 1.The structure of second control switch 42 is described to first control switch 10 in as mentioned, and the used code name of its parts is corresponding with the used code name of the parts of first control switch 10.
Figure 1 illustrates and be in an executive component 20 on the original position, on this original position, switch element 14, the 14 ' disengagement of it and control switch 10,42.Executive component 20 enters this original position by the prestress of spring parts.
Below, further specify the principle of work and power of furniture drive 2 of the present invention according to Fig. 2 A-2G.
Fig. 2 A represents to be in the furniture drive 2 on the original position shown in Figure 1, and on this original position, drive element 8 approximately is on the mid point between adjustment movement two terminal locations.For make drive element 8 at Fig. 2 A to left movement, so that the adjusted component of furniture is regulated to first direction, traction piece 22 among tractive Fig. 2 A to the right, executive component 20 is moved right in Fig. 2 A equally, and be in the switch element 14 of first control switch 10 on the tracks of executive component 20 so as to operation, as shown in Fig. 2 B.
From Fig. 2 B as can be seen, slide plate 24 is on the position at an about center by the effect of spring element 44,46, simultaneously, the contact-making surface 32 that adheres to protuberance 30 and slide plate 24 of first control switch 10 is adjacent, therefore, first control switch 10 rests on the position shown in Fig. 2 B when its switch element 40 of operation, and gyroaxis 12 revolutions of not forgiving.Because 10 pairs of motor of its switch element 14, the first control switchs of operation are controlled like this, cause drive element 8 in the drawings to left movement, this can find out from the comparison of Fig. 2 A and 2B.
Fig. 2 C is depicted as a stage of adjustment movement, and in this stage, drive element 8 arrives a terminal location of its adjustment movement.At this moment, drive element 8 arrives dop 26, and blocks slide plate 24 in Fig. 2 C left.Because slide plate 24 is moved to the left in y Fig. 2 C, the zone 40 that contact-making surface 32 oppositely stretches out on the contact direction arrives the scope of adhering to protuberance 30 of first control switch 10.Under the elastic force effect of attempting first control switch 10 rotating spring element 36 of counter clockwise direction in Fig. 2 C, 10 deflections of first control switch, cause its switch element 14 to break away from executive component 20, and interrupt in this way to the motor power supply, so motor shuts down.In this way, on the terminal location of adjustment movement, realizes terminal shutoff motor through slide plate 24, need not be on mechanical approach the attaching terminal switch.
If the user unclamps traction piece 22 on this position, then it can turn back to the original position shown in Fig. 2 A under the effect of spring parts.If from new tractive traction piece 22 to the right among Fig. 2 C, then executive component 20 at first enters the zone of the switch element 14 of first control switch 10 to the user then.But because first control switch 10 is in the terminal scram position shown in Fig. 2 C, its switch element 14 has broken away from the tracks of executive component 20, and therefore, first control switch is not operated, and motor can not put into operation.
If the user continues tractive traction piece 22 to the right, then executive component 20 at first enter the switch element 14 of second control switch 42 ' the zone, as shown in Fig. 2 D, and and then upwards push switch element 14 ', as shown in Fig. 2 E.Since its switch element 14 of operation ', just second control switch 42 is controlled motor like this, cause drive element 8 in the drawings to left movement, as shown in Fig. 2 E.So, slide plate 24 turns back to the original position shown in Fig. 2 E under the elastic force effect of spring element 44,46, in this stage of adjustment movement, second control switch 42 adhere to protuberance 30 ' with the contact-making surface 32 of slide plate 24 oppositely do not stretch out regional adjacent, as shown in Fig. 2 E.
In the scope of another terminal location of adjustment movement, drive element 8 arrives the dop 28 of slide plates 24, and the slide plate 24 that moves right in the drawings.So, second control switch 42 adhere to the zone 40 that protuberance 30 ' enter contact-making surface 32 oppositely stretches out on the contact direction.Attempt to make second control switch, 42 wraparound rotating shafts 12 ' rotating spring element 16 of counter clockwise direction ' effect under, so second control switch 42 deflects into the terminal scram position shown in Fig. 2 F.On the terminal scram position, the switch element 14 of second control switch 42 ' disengaging executive component 20 causes the motor power failure, so motor is out of service.Position shown in Fig. 2 F is realized the terminal shutoff in this way.
From Fig. 2 F as can be seen, oppositely stretching out zone 40 extensions to slide plate 24 moving directions is to select like this, promptly on the terminal location of the adjustment movement shown in Fig. 2 F, first control switch 10 adhere to protuberance 30 be in oppositely stretch out the zone 40 outside, as a result, its switch element 14 tracks of entering executive component 20.
If the user from the position shown in Fig. 2 G among Fig. 2 G tractive traction piece 22 to the right, then the switch element 14 of first control switch 10 is operated, first control switch is controlled like this to motor as a result, cause drive element 8 in Fig. 2 G to left movement.
With this mode, drive element 8 can be regulated between its two terminal location, and therefore, and the furniture parts that drive element 8 foundation are operatively connected equally also can be regulated between the terminal location of adjustment movement.
Because control switch 10,42 available mechanical system on the terminal location of adjustment movement breaks away from the mechanically actuated operation parts that are made of executive component 20 and traction piece 22, therefore, just there is no need to adopt independent limit switch to turn-off furniture drive 2 with terminal on the terminal location of adjustment movement.In view of the above, according to furniture drive 2 of the present invention can be especially easily with favourable cost price manufacturing.In addition, furniture drive 2 according to the present invention is sturdy and durable especially.
Second embodiment of furniture drive 2 of the present invention has been shown in Fig. 3 A, wherein, constituted, on this leading screw, arranged feed screw nut 54 fixed-site, rotatable transmission but drive element can not rotate axial motion leading screw 52 by one.The outer surface of feed screw nut 54 is designed to turbine, and with the worm screw that is connected with the driven shaft of the motor do not seen among Fig. 3 A 56 engagements.
What be connected with an end of the feed screw nut dorsad 54 of leading screw 52 is a fixed component 58, be connected in hinged way with this fixed component 58 and can be rotating around an one rotating shaft 60 be a crotch member 62, its hook end 64 is hooked on the gudgeon 66 of a pivoted lever 68, pivoted lever 68 is antitorque, is connected with a rotation axis 70.About rotation axis 70, may be related to a for example axle of lath grid pad accessory.How to utilize for example foot part component of this rotation axis adjustable plate grid pad or the methods of head component, the expert generally knows, therefore is not described further here.
Fig. 3 A illustrated embodiment and the main distinction embodiment illustrated in fig. 1 are that 72,74 prestress of slide plate 24 usefulness helical springs remain on its center original position.
In addition, 76,78 prestress of control switch 10,42 usefulness laminated springs press closer on contact-making surface 32.
In addition, in the embodiment shown in Fig. 3 A, default two zones 80,82 of oppositely stretching out on the contact direction are substituted in and contact the zone 40 of oppositely stretching out on the direction, between described two zones 80,82, on the moving direction of slide plate 24, a zone 84 that forward stretches out on the contact direction is arranged.
In the embodiment shown in Fig. 3 A, be preset with two cam-like executive components 86,88 and replace a cam-like executive component 20 again.
The basic function principle of second embodiment is suitable with the basic function principle of first embodiment.With embodiment illustrated in fig. 1 different, in the embodiment shown in Fig. 3 A, operating first control switch 10 is that the leading screw 52 among Fig. 3 A is moved right, and is to make leading screw 52 among Fig. 3 A to left movement and operate second control switch 42.
Fig. 3 A is depicted as first terminal location of adjustment movement, and on this position, leading screw 52 is on its leftmost adjusting position in the drawings.Fig. 3 B is depicted as an adjusting position, and on this position, leading screw 52 moves to right in Fig. 3 A, and Fig. 3 C is depicted as another terminal location of adjustment movement, and on this position, leading screw 52 is on its rightmost position.
In order to handle driver element, preset the manual manipulation unit 92 shown in a Fig. 4, it equally also is referred to as hand behaviour switch.Manual manipulation unit 92 has one by shell the first half 94 ' and shell the latter half 94 " shell 94 that constitutes.
According to the present invention, there is an operating element of settling in movable mode manual manipulation unit 92, and in the present embodiment, it is made of one first slide switch 96.In illustrated embodiment, except first slide switch 96, also preset one second slide switch 98.As can be seen from Figure 4, slide switch 94,98 directly is arranged side by side.Below, further set forth the function of slide switch 94,98 according to Fig. 5 and 6. Slide switch 94,98 is placed in the shell 94, can move in shell by the direction of double-head arrow 100.
For the ease of mobile slide switch 96, constituted a handle runner 102 thereon on the surface.With corresponding mode therewith, on the upper surface of slide switch 96, constituted corresponding handle runner 104.In addition, as can be seen from Figure 4, also on the upper surface of slide switch 96, constituted another handle runner 106, on the upper surface of slide switch 98, constituted handle runner 108, handle runner 106,108 converges mutually, the result has constituted a common handle runner, with co-operate slide switch 96,98.
Figure 5 shows that manual manipulation unit 92, wherein for illustrated reason omitted the first half 94 of shell '.As can be seen from Figure 5, slide switch 96,98 mode with slide block in the shell 94 of manual manipulation unit 92 moves.
Fig. 6 A is depicted as the perspective view of manual manipulation unit 92, has wherein omitted the latter half 94 of shell for illustrated reason ".
According to the present invention, be connected with slide switch 96 with the end of a flexible traction spare 110 mode with tension, traction piece 110 is made of metal strands in the present embodiment, and it is pulled (referring to Figure 4 and 5) according to the type of flexible drag-line in a flexible overcoat 112.One end of the dorsal glide switch 96 of traction piece 110 is fixed on the parts of a support executive component 20 (referring to Fig. 1) or executive component 86,88 (referring to pressing Fig. 3) in the mode of tension.
The principle of work and power of manual manipulation of the present invention unit 92 is as follows:
If first slide switch 96 is by being slided into the position shown in Fig. 6 B in the position shown in Fig. 6 A, then executive component 20 was connected and moved right in Fig. 1 based on the tension between the parts of traction piece 110 and support executive component 20 this moment, so, press Fig. 2 A and start, regulate configuration at the driver element shown in Fig. 1 and 2 and give its furniture parts to the described process of 2G.Embodiment for Fig. 3 correspondingly is suitable for: if first slide switch 96 slides into the position shown in Fig. 6 B on the direction of arrow 114 indications, move right in Fig. 3 at executive component 86,88, start to the described process of 3C so press Fig. 3 A.
With corresponding mode therewith, be connected with the end of second slide switch 98 with same another traction piece 116 that constitutes by metal strands.As can be seen, traction piece 110,116 is received upon in the flexible overcoat 112 according to the mode of flexible drag-line jointly from Fig. 6 A.
Second slide switch 38 is preset handles the driver element that does not illustrate among another figure.The principle of work and power of traction piece 116 is with identical to the traction piece 110 described principles of work and power.
Fig. 6 C is depicted as second slide switch 98 along the position that the direction of arrow 114 indications moves, and on this position, the process of another driver element that does not illustrate in the control diagram starts, and is equivalent to by Fig. 2 A to 2G and Fig. 3 A to the described process of 3C.
Fig. 6 G is depicted as the situation of handling when two slide switches 96,98 slide by arrow 114 directions, so two driver elements of furniture drive 2 are handled simultaneously.
One of manual operation device 92 of the present invention especially preferentially is, though it adopts mechanical structure fully or to a great extent, but it has identical outward appearance and functional with traditional electric or electronic type manual manipulation unit, therefore, the user of furniture drive to be difficult for recognizing it be mechanical manual manipulation unit.
Figure 7 shows that the circuit diagram of drive unit 2, wherein, driver element is represented with code name 118 in Fig. 7.Here, the power supply of driver element 118 is made of the secondary side 120 of transformer 112, and its primary side 124 has two heart yearns 126,128 to be connected with utility network with the feed line that a plug constitutes through one, and utility network provides for example 220V alternating current.In the present embodiment, the secondary side of transformer 120 is connected with driver element 118 with a switch 134 as Power Supply breaking system 136 parts of the present invention through a rectifier 132.
If switch 134 is in the open position shown in Fig. 7, then driver element 118 bipolar and rectifier 21 disengagements, thereby also throw off with the secondary side 120 of transformer 122, just throw off with power supply, therefore, household drive unit 2 is in the electric power disconnection state on the open position of switch 134.If switch 134 is connected, then driver element 118 reconnects to the secondary side 120 of transformer 122, thereby energized, and the result cancels electric power disconnection.
Figure 8 shows that second embodiment of Power Supply breaking system 136 of the present invention, the difference of the embodiment of it and Fig. 7 is that switch 134 is arranged in the primary side 124 of transformer 122.If switch is in the open position shown in Fig. 8, then the primary side 124 of transformer 122 is thrown off electric network source, the result, and driver element 118 is thrown off electrical network and outage.If switch 134 is connected, then the primary side 124 of transformer 122 is connected with electric network source, driver element 116 energized, and the result cancels electric power disconnection.
Figure 9 shows that the perspective view of switch 134, switch 134 is connected through the rectifier 132 that does not illustrate among leads 128,140 and Fig. 9.The driver element 118 that does not illustrate among switch 134 and same Fig. 9 is connected, and for simplicity's sake, has omitted the connection lead among Fig. 9.
According to the present invention, switch 134 is designed to the switch of available mechanical system operation, and it has a switch element 142, when it being operated with mechanical system, and the switching function of exciting switch 134.Switch element 142 can utilize a slide block 144 to operate, and this slide block 144 can move on the direction of double-head arrow 146 indications.
In the present embodiment, when pressing switch element 142 by slide block 144, switch 134 is in open position, as shown in Figure 9.On this position, driver element 118 is thrown off (referring to Fig. 7 and Fig. 8) with power supply.Slide block 114 is on the position shown in Fig. 9, and electric power disconnection is activated.
For the slide block 144 that can move right in Fig. 9, and so as to the cancellation electric power disconnection, slide block 144 is connected (referring to Fig. 6) with traction piece 110 tensions, just schematically marks traction piece 110 in Fig. 9.Below, further specify the principle of work and power of Power Supply breaking system 136 of the present invention to Figure 10 B according to Figure 10 A.
Figure 10 A is depicted as slide block 144 in its resting position, and on this position, the switch element 142 of switch 134 is urged downwardly, so electric power disconnection is activated, driver element 118 is thrown off with power supply.On this position of slide block 144, driver element 118 outages.
If spur the traction piece of among Figure 10 A, representing with pure illustrative method from this position, shown in arrow 150 among Figure 10 A, then the slide block tension force that heads on spring 148 moves to the position shown in Figure 10 B, and the switch element 142 of release-push 134, allows its correspondingly upwards operation in Figure 10 B.So switch 134 is connected (referring to Fig. 7), result, driver element 118 energized.Driver element 118 enters holding state then, can carry out the control procedure according to Fig. 2 A-2G or Fig. 3 A-3C elaboration under the pulling function of traction piece 110.
In this case, traction piece 110 can be made of two line segments in the housing of furniture drive 2, and wherein one is connected with slide block 144, and another root links to each other with the parts of supporting executive component 20 (referring to Fig. 1) or executive component 86,88 (referring to Fig. 3 A).But, also can only constitute by traction piece 110 by a single line segment, be connected with slide block 144 tensions, and cause the parts of supporting executive component 20 or executive component 86,88, and be connected with this parts tension by slide block 114.
Basically finished in this way that machinery can be operated or controllable furniture drive, such furniture drive simple structure, thereby can be with favourable cost price manufacturing, and sturdy and durable especially.
Claims (9)
1. be used for the electric furniture drive apparatus (2) of mutual relative adjustment furniture parts, have at least one and on furniture drive (2) installation site, transferred parts to set up the driver element (118) that is operatively connected with furniture, and
Have one in order to driver element (118) and power supply being thrown off or driver element (118) is connected to the Power Supply breaking system (136) of the switch of power supply,
It is characterized in that,
Described switch is that available mechanically actuated operation parts are realized mechanically operated switch (134).
2. furniture drive according to claim 1 is characterized in that, the mechanically actuated operation parts have a traction piece, particularly a flexible traction spare (110).
3. furniture drive according to claim 1 and 2 is characterized in that, traction piece (110) is pulled in a flexible overcoat (112) according to the type of flexible drag-line.
4. according to claim 1,2 or 3 described furniture drives, it is characterized in that switch (134) is arranged in the secondary side (120) of transformer (122), the secondary side (120) of this transformer (122) constitutes the power supply of driver element (118).
5. according to the described furniture drive of one of above-mentioned all claim, it is characterized in that switch (134) is arranged in the primary side (124) of transformer (122), its secondary side (120) constitutes the power supply of driver element (118).
6. according to the described furniture drive of one of above-mentioned all claim, it is characterized in that switch (134) is arranged in the housing of furniture drive (2).
7. according to the described furniture drive of one of above-mentioned all claim, it is characterized in that the executive component (20 of default co-operate switch (134) and at least one driver element (118); 86,88) operation parts.
8. furniture drive according to claim 7, it is characterized in that, the executive component (20 of console switch (134) and at least one driver element (118) successively successively on time, 86, operation parts 88) are to constitute like this, that is: driver element (118) is utilizing its executive component of switching manipulation (20,86,88) can utilize switch (134) to be connected on the power supply before earlier.
9. according to the described furniture drive of one of above-mentioned all claim, it is characterized in that switch (134) is with the bipolar disengagement electric network source of driver element (118).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNA2007100494529A CN101335136A (en) | 2007-06-30 | 2007-06-30 | Electric furniture driving apparatus |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNA2007100494529A CN101335136A (en) | 2007-06-30 | 2007-06-30 | Electric furniture driving apparatus |
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| Publication Number | Publication Date |
|---|---|
| CN101335136A true CN101335136A (en) | 2008-12-31 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNA2007100494529A Pending CN101335136A (en) | 2007-06-30 | 2007-06-30 | Electric furniture driving apparatus |
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| CN (1) | CN101335136A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102484017A (en) * | 2009-07-14 | 2012-05-30 | 德沃特传动及系统科技有限公司 | First-fail-safe electromotive furniture drive |
| CN106667019A (en) * | 2016-11-16 | 2017-05-17 | 浙江居优智能科技有限公司 | Lifting-force-adjustable liftable desk |
-
2007
- 2007-06-30 CN CNA2007100494529A patent/CN101335136A/en active Pending
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102484017A (en) * | 2009-07-14 | 2012-05-30 | 德沃特传动及系统科技有限公司 | First-fail-safe electromotive furniture drive |
| CN102484017B (en) * | 2009-07-14 | 2015-12-02 | 德沃特奥金有限公司 | The electric furniture driving arrangement of elementary mistake proofing |
| CN106667019A (en) * | 2016-11-16 | 2017-05-17 | 浙江居优智能科技有限公司 | Lifting-force-adjustable liftable desk |
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