CN101617165A

CN101617165A - Support arm

Info

Publication number: CN101617165A
Application number: CN200780041782A
Authority: CN
Inventors: 迪尔克·扬·斯特林加
Original assignee: 迪尔克·扬·斯特林加
Current assignee: TV TECHNOLOGY INTERMEDIARY FOUNDATION
Priority date: 2006-10-06
Filing date: 2007-10-08
Publication date: 2009-12-30
Also published as: NL2000262C2

Abstract

The present invention relates to a kind of support arm that is used for equipment, is preferably used for display screen, this support arm comprises: first fastener (5), and it is used for support arm is attached to framework or wall; First member (3), its at one end portion be attached to first fastener (5) and be attached to the rotation that makes around first spin axis and become the first possible pivot fitting in the other end; Second member (2), it is attached to first pivot fitting and is provided with the rotation that makes around second spin axis at the second end at first end becomes the second possible pivot fitting; And second fastener (18), it is used for device attachment to support arm, and this second fastener (18) is attached to second pivot fitting, and first spin axis and second spin axis are parallel to each other basically.

Description

Support arm

Technical field

The present invention relates to a kind of support arm that is used to the equipment that is preferably display screen, is specially panel display screen.The invention still further relates to a kind of pivot fitting that is particularly useful for support arm.

Background technique

For example, known this support arm from EP-A2-1.312.852 and GB-2.416.062.These arms have first member that pivotally is connected to second member.These arms are unsuitable for flat screens is mounted to for example wall especially.Because the structure of these arms causes when these arms are in its folding position, they stay sizable distance at flat screens and between the walls.

Another kind of arm is disclosed among the US-5321579.This arm is very open and flat in its folding position, almost is close to wall thereby flat screens is held in.Yet this arm need be installed in the below of the flat screens of flat panel display.

US-4.170.336 discloses a kind of microscopical cantilever that is used for operating room.These microscopes can not be too heavy.And, the extremely difficult automatic operation of these arms.

US-5.332.181 discloses a kind of automatic supporter that is used for medical apparatus.It has a plurality of members that connect by hinge or swivel joint.The type of unexposed these swivel joints.In addition, the purpose of this support arm provides best navigability.It is very difficult that complete stability under heavy duty can prove.

EP-A2-1.471.300 discloses a kind of arm that is used for the support plate screen.It has by the interconnected a plurality of members of hinge.Particularly, the fastener that is used for flat screens is attached to this arm has been described.This fastener can be attached to the back side of flat screens and be connected to the end of arm removably, and provides possibility for the tilt flat plate screen.

Be difficult to the known support arm of operation automatically, and these support arm instabilities.Usually, because weight combines with causing the long-armed of high moment of torsion, cause using a period of time can be offset afterwards.

Summary of the invention

The purpose of this invention is to provide a kind of support arm, this support arm can be formed with simple and inexpensive manner manufacturing by the parts that can obtain easily and change.

Another object of the present invention provides a kind of support arm that can easily operate automatically.

A kind of itself is stable and still can keep stable support arm under situation about often using even another object of the present invention provides.

For this reason, the invention provides a kind ofly be used for equipment, be preferably used for display screen support arm, this support arm comprises:

First fastener, it is used for support arm is attached to framework or wall;

First member, its at one end portion be attached to first fastener and be attached to first pivot fitting of permission in the other end around the rotation of first spin axis;

Second member, it is attached to first pivot fitting and is provided with second pivot fitting of permission around the rotation of second spin axis at the second end at first end;

Second fastener, it is used for device attachment to support arm, and this second secure component is attached to second pivot fitting, and first spin axis and second spin axis are parallel to each other basically.

The location and the use of pivot fitting relative to each other of described member makes it possible to make support arm with simple and inexpensive manner, even under the big and heavy situation of display screen, during operation, this support arm is easy operating and keep stable still.

In this article, it is two members are connected to each other and make this two joints that member can relative to each other rotate that the term pivot fitting should be understood to the meaning, that is to say, make two straight each other straight members can be by these two joints that member is pivoted relative to each other around longitudinal axis.This with make the articulated joint that two members can be relative to each other hinged opposite.

In a kind of mode of execution of this support arm, second member takes the shape of the letter U substantially.Therefore, the spin axis of pivot fitting be parallel obviously be possible.Yet two of U-shaped spare shanks needn't have equal lengths in this example.

In a kind of mode of execution of this support arm, first member is L-shaped substantially.

In a kind of mode of execution of this support arm, second fastener is connected to the 3rd member and the 3rd member is attached to second pivot fitting.

In a kind of mode of execution of this support arm, the 3rd member is L-shaped substantially.

In a kind of mode of execution of this support arm, the 3rd member is connected to second pivot fitting by the 3rd pivot fitting.By this structure, display screen can be positioned in any in fact observation place, and can pass through this support arm moving display screen easily.

In a kind of mode of execution of this support arm, described member comprises tube elements, pivot fitting comprises the inner tubular element that is installed in the tube elements, inner tubular element is installed by outer shroud particularly, outer shroud is used to form the retainer of the end of the tube elements that is used for member, this retainer advance with inclined at acute angles and be positioned to be resisted against on the tube-surface, and the end face of tube elements advances with inclined at acute angles and is positioned at outer surface, outer shroud is preferably the plastic hoop of for example being made by nylon.In one embodiment, tube elements is iron tube elements.Make it possible to produce a kind of stable and cheap and almost zero-lash support arm like this.

In a kind of mode of execution of this support arm, inner tubular element is also installed by the bearing at end element that is positioned at inner tubular element, bearing element extends in the tube elements, the bearing element that is positioned at the outer exterior wall of inner tubular element extends on the inwall that is resisted against this outer tube element, and bearing element is preferably made by the plastics such as nylon.

In a kind of mode of execution of this support arm, pivot fitting also comprises clamping element, and clamping element is used for rotatably the retainer of outer shroud being clamped in the end of tube elements.

In a kind of mode of execution of this support arm, first joint connects with actuator, actuator turns round around first spin axis at on-stream period chien shih second member, second joint is attached to second actuator, second actuator rotates or revolution around second spin axis at on-stream period chien shih second fastener, and, second fastener is shifted with respect to first fastener in case activate first actuator and second actuator.Above-mentioned structure makes and is easy to assemble the actuator that preferably is provided with electric motor, can for example operate and regulate this support arm by remote controller thus.For this reason, also be provided with control unit.

The invention still further relates to a kind of support arm that specifically is used for such as the panel display apparatus of liquid crystal display panel or plasma screen, this support arm comprises first member with first longitudinal axis and has second member of second longitudinal axis and with angled first joint connected to one another of described member, first member is attached to the fastener that is used for attached arm, first joint comprises the first dihedral element with first end and the second end, first end is attached to first member so that can be around the longitudinal axis rotation of first member, and the second end is attached to second member so that can be around the longitudinal axis rotation of second member, and first end and the second end are attached to first driver element and second driver element respectively, first driver element and second driver element are connected to first member and second member respectively, thereby in case activate first driver element, just make the first dihedral element around the rotation of the longitudinal axis of first member and in case activate second driver element, just make of the longitudinal axis rotation of second member around second member.

In one embodiment, this support arm comprises the 3rd member with longitudinal axis and with second member and the 3rd member second joint connected to one another, in this example, second joint comprises the second dihedral element with first end and the second end, first end is attached to second member from so that enough longitudinal axis rotations around second member, and the second end is attached to the 3rd member so that can be around the longitudinal axis rotation of the 3rd member, and first end and the second end are attached to the 3rd driver element and 4 wheel driven moving cell respectively, the 3rd driver element and 4 wheel driven moving cell are attached to first member and second member respectively, thereby in case activate the 3rd driver element, just make of the longitudinal axis rotation of the second dihedral element around second member, and, just make of the longitudinal axis rotation of the 3rd member around the 3rd member in case activate the 4 wheel driven moving cell.By the dihedral element pivot fitting is connected to each other, makes it possible to the adjusting that provides simple and stable.For example, make the dihedral element (be preferably 90 degree) of pipe and be installed in the pipe end or, can make two rectangular pivot fittings in simple mode by they being contained in the tube elements by means of bearing by two ends with the dihedral element.

In a kind of mode of execution of this support arm, the 3rd member comprises the framework fastener, and the framework fastener is used for attached framework, is in particular to be used for attached panel display apparatus such as liquid crystal display panel or plasma screen.Can for example flatly be folded between wall and the panel display screen according to support arm of the present invention in simple mode.

In a kind of mode of execution of this support arm, in initial position, fastener, first member, second member and if present the 3rd member and the basic fixed position of framework fastener in initial plane.

In a kind of mode of execution of this support arm, this support arm also comprises the hinge that is connected to first member and fastener, this hinge is used for first member is attached to fastener in hinged mode, can carry out the angle adjustment to the longitudinal axis of first member thus in initial plane.

In a kind of mode of execution of this support arm, this support arm also comprises actuator, this actuator is between the fastener and first member, particularly, if there is hinge, between fastener and this hinge, this actuator comprises first actuation element that is connected to fastener and second actuation element that is connected to first member and/or hinge, and first actuation element and second actuation element can relative to each other be shifted along the displacement axis.

In a kind of mode of execution of this support arm, this displacement axis is in substantially parallel relationship to initial plane, and preferably extends in initial plane substantially.

In a kind of mode of execution of this support arm, driver element also is attached to pivot fitting by transmission device, transmission device is provided with transmission shaft and first ring in alignment with longitudinal axis, the eccentricity gear and second ring, first ring has internal tooth thereon and is connected to a tube elements, eccentricity gear have at least one less than first the ring internal tooth tooth and be provided with driving element, and the interior indented joint of the tooth of eccentricity gear and first ring, second ring is connected to another tube elements and is provided with the driving element that the driving element with gear is complementary, therefore when driver element turned round, first ring and second ring relative to each other rotated.

Should be appreciated that, aforementioned two kinds of support arms feature can make up mutually.

The invention still further relates to a kind of pivot fitting that is used for support arm, this pivot fitting comprises first tube elements and second tube elements, first tube elements has longitudinal axis, an end of second tube elements rotatably installs and extends in first tube elements, and be provided with the electric motor that is attached in first tube elements or second tube elements, first tube elements and second tube elements are coupled to each other by transmission device, transmission device is provided with transmission shaft and is provided with first ring, the eccentricity gear and second ring, transmission shaft is by this electrical motor driven and in alignment with longitudinal axis, have internal tooth and be connected to a tube elements on first ring, eccentricity gear have at least one less than first the ring internal tooth tooth and be provided with driving element, the interior indented joint of the tooth of eccentricity gear and first ring, second ring is connected to another tube elements and is provided with the driving element that the driving element with gear is complementary, therefore when electric motor turned round, first ring and second ring relative to each other rotated.This pivot fitting can be easy to make by pipe, can transmit and/or generation power, does not have any play in fact, and keeps its position when static.

In a kind of mode of execution of this pivot fitting, first ring and second ring are installed on the transmission shaft of transmission device in this example.

In a kind of mode of execution of this pivot fitting, gear is provided with the pin as driving element, this pin extend to second the ring in the hole in, the diameter in this hole is greater than the diameter of pin.Therefore, first ring and second ring can be coupled to each other functionally and operationally in simple mode.

Should be appreciated that these different aspects of mentioning can make up in present patent application, and each independent aspect all is suitable for doing divisional patent application.

Description of drawings

Accompanying drawing illustrates the numerous embodiments according to support arm of the present invention and pivot fitting, in the accompanying drawing:

Fig. 1 illustrates first mode of execution according to support arm of the present invention;

Fig. 2 illustrates the mode of execution of the control gear of the support arm that is used for Fig. 1;

Fig. 3 illustrates the side view of the electric motor that has transmission device of the support arm that is used for Fig. 1;

Fig. 4 illustrates the plan view of Fig. 3;

Fig. 5 illustrates the exploded view of Fig. 3;

Fig. 6 illustrates the substituting mode of execution according to support arm of the present invention;

Fig. 7 illustrates the mode of execution that the support arm of Fig. 6 is in the oblique position and moves forward;

Fig. 8 illustrates towards the support arm of Fig. 7 of opposite side inclination;

Fig. 9 illustrates a kind of substituting pivot fitting;

Figure 10 is at a kind of substituting mode of execution of support arm shown in the plan view, and wherein support arm moves forward and is in the oblique position;

Figure 11 is at the arm of Figure 10 shown in the side view;

Figure 12 illustrates the arm that is in the Figure 10 in the almost completely folding position;

Figure 13 a illustrates one of the hinge of the arm of the Figure 10 that is arranged in the cross section XIIIa that indicates on Figure 12;

Figure 13 b illustrates another of hinge of the arm of the Figure 10 that is arranged in the cross section XIIIb that indicates on Figure 12;

Figure 13 c illustrates the cross section XIIIc that indicates among Figure 12.

Embodiment

Fig. 1 shows support arm 1, and support arm 1 is provided with dull and stereotyped liquid crystal (LCD) screen 2 with the dotted line indication in this example.Support arm 1 is provided with first member 3 and second member, 2, the first members 3 and second member 2 and has first longitudinal axis L 1 and second longitudinal axis L 2 respectively.First member 3 and second member 2 are coupled to each other by two swivel joints 4, and these two swivel joints 4 are with 3, the 2 angled connections of two members.In this example,

member

2,3 connection that meets at right angles basically.First member 3 is attached to fastener 5, is attached in this example to be used for being attached in arm 1 on the wall or being affixed to the fastener of being close to wall.As selection, support arm also may be attached to the floor or is attached on the furniture or in the furniture.Fastener will be suitable for this structure.For the ordinary skill in the art, the design of this fastener is very simple.Member in this specification is preferably pipe.

First member

3 and 2 angled first butt joints 4 connected to one another of second member are made it possible to be rotated around longitudinal axis L 1.Indicate this rotation with R1.In addition, this pair of joint 4 makes it possible to rotate around axis L2.Indicate this rotation with R2.

First butt joint 4 has makes two joint dihedral elements 6 connected to one another, is elbow in this example.The dihedral element is provided with first end 7 and the second end 8.First end 7 be attached to first member by transmission device 25 and by in this example for the drive unit 9 of electric motor drives, drive unit 9 also is connected to first member 3 in this example.In this embodiment, first member 3 is designed to hollow tube.First end 7 rotatably is installed in this pipe by bearing 27 and forms first pivot fitting.The second end 8 of dihedral element 6 is attached to second member 2 by transmission device 26, and this coupling drives by the driver element 10 that is similarly electric motor, and driver element 10 is connected to second member 2 equally in this example.In this embodiment, second member 2 is designed to the pipe such as pipe equally.The second end 8 at this dihedral element 6 rotatably is installed in the pipe fitting by bearing 28 equally, thereby forms second pivot fitting.Therefore, the pipe fitting of second member 2 can be around longitudinal axis 2 rotations, and this rotatablely moves and is indicated by R2 as previously mentioned.Second member 2 is crooked, and bending in this example and has second element that has longitudinal axis L 3 at an angle of 90.The end of this element of second member 2 is provided with two pivot fittings 12, and these two pivot fittings 12 are with angled the 3rd member 11 that is attached in the end of second member 2.Second butt joint 12 is identical in fact with first butt joint 4.

Second pair of pivot fitting 12 is connected to each other by dihedral element 13, and dihedral element 13 is designed to the elbow with first end 14 and the second end 15 made by tube elements equally in this example.The 3rd member 11 has the longitudinal axis with the L4 indication.The first end 14 of dihedral element 13 is attached to second member 2 by joiner 27, and this joiner is by driving for the driver element 16 of electric motor once more in this example.The second end 15 of dihedral element 13 is attached to the 4th member 11 by transmission device 28, and this joiner drives by electric motor 17 equally in this example.Under the driving of

driver element

16 and 17, this butt joint can make can be around longitudinal axis L 3 rotations, and it rotatablely moves and is indicated by R3, and this butt joint can make and can rotate around longitudinal axis L 4 that it rotatablely moves and is indicated by R4.

In this embodiment, the 3rd member 11 is preferably circular hollow tube element just as other member is designed to tube elements.The first end 14 of dihedral element 13 rotatably is installed in tube elements by bearing 29, promptly in the tube elements of the bending with longitudinal axis L 3 of second member 2.Therefore, form the 3rd pivot fitting, and the 3rd member can be around these longitudinal axis L 3 rotations, it rotatablely moves and indicates with R3 among the figure.Dihedral element 13 rotatably is installed in the tube elements of the 3rd member 11 and forms the 4th pivot fitting by its second end 15 by means of bearing 30, make that this tube elements can be around its longitudinal axis L 4 rotations (R4).

In this embodiment, fastener 18 is assembled to the end of the 3rd member 11, and lcd screen 2 can be attached to arm by this fastener.Certainly, those of ordinary skills can also propose and find out other fastening means.

In this example, first member 1 at one end is connected to the actuator 20 that is provided with above-mentioned fastener 5 by hinge 19.This hinge makes it possible to first member 3, the longitudinal axis L 1 that is specially first member 3 are carried out angle adjustment.This angle adjustment is indicated with R5 in Fig. 1.Can carry out this angle adjustment by the driver element shown in the figure 24, driver element 24 will drive by electric motor in one embodiment.

Actuator 20 makes it possible to along longitudinal axis L 5 regulating arms 1.In fact, this will be highly to regulate.For this reason, actuator 20 comprises outer tube 22, pipe 21 in outer tube 22 inside have.In one embodiment, interior pipe 21 is provided with outside thread, thereby in fact forms axle, and outer tube 22 is provided with the axle guiding device that does not illustrate in greater detail among the figure.By means of the driver element 23 that is electric motor in this example, pipe or axle 21 can be rotated by right angle drives in making, so outer tube will be along longitudinal axis L 5 linear displacements.Therefore, when support arm 1 for example is attached to wall by fastener 5, display screen 2 is moved up and down.

In this support arm, pivot fitting is formed by the pipe that is installed in inside each other.Can for example utilize this joiner of electrical motor driven to obtain exercisable support arm then by utilizing joiner that pipe is coupled to each other.

Fig. 2 shows the control mechanism of the support arm of Fig. 1, wherein for purpose clearly, and the parts that illustrated in the with dashed lines indicator diagram 1.

In this example, control gear 32 is provided with wireless receiver 34, can send the instruction that is used to make the support arm displacement to wireless receiver 34 by remote controller 33.In addition, support arm is provided with the electronic level 31 that transmits to control gear 32.In use, for example in order to move plane LCD or the plasma screen that is attached to support arm, the individual of operation support arm will send the instruction that makes the display screen reach or tilt by remote controller 33.These instructions will be by the remote controller 33 wireless receiving elements 34 that are sent to control unit 32.Control unit 32 will calculate and must activate which motor and then will begin to activate these motors then.Digital gradienter 31 will judge that whether still display screen level during moving.If not this situation, will transmit to control unit 32.In fact, under any circumstance, the reading of digital gradienter all will be sent to control unit 32.Control unit 32 will be based on the position from the numerical calculation display screen of digital gradienter, if and display screen no longer is a level, control unit 32 will transmit to electric motor 24 so, therefore can so that display screen again the mode of sub-level regulate the position of support arm.

Fig. 3 to Fig. 5 illustrates among Fig. 1 and 2 the electric motors with

reference character

9,10,16 and 17 indications, and these electric motors are provided with among Fig. 1 and 2 the joiners with

reference character

25,26,27 and 28 indications, so that regulate swivel joint or pivot fitting.In Fig. 3, with L indication longitudinal axis.In this representative graph 1 by the indicated spin axis of L1, L2, L3 and L4.

Joiner

25,26,27 and 28 geared assemblies 42 by the transmission shaft of

electric motor

9,10,16 and 17 drive by geared assembly 49.

Joiner has first ring, 41 (referring to the Fig. 4) that are provided with internal tooth 43, is provided with the gear 45 (still referring to Fig. 4) and second ring 40 of tooth 54.First ring 41, gear 45 and second ring 41 are installed on the common axle, wherein first ring 41 is installed on this axle by bearing 44, gear 45 is installed on this axle by eccentric wheel or cam 48 off-centre, and second ring 40 is installed on this end 50 by bearing 52.

Fig. 4 shows the plan view of transmission device, has wherein removed and has encircled a part of 40.In the figure, the tooth 54 of gear 45 only has slightly the tooth that (only differing a little tooth usually) is different from the internal tooth 43 of ring 41 as can be seen.Gear 45 is provided with the hole 46 that keeps pin 47, pin 47 and hole 51 engagements that encircle in 40.Pin 47 accurately is assembled in the hole 46 of gear 45, and encircles the thickness of the diameter in the hole 51 in 40 greater than pin 47.In the so-called exploded view of Fig. 5, this all is clearly shown that.

Fig. 5 there is shown the

transmission device

25,26,27 and 28 of Fig. 1 and Fig. 2 in decomposition.In this example, as can be seen, the toothed axle 42 of electric motor meshes with the toothed transmission shaft 49 of transmission device.In addition, this transmission shaft is provided with eccentric wheel or eccentric cam 48 and end shaft element 50.In this example, first ring 41 is installed on the bearing 44 that is positioned on the transmission shaft.As clearly illustrating in this, it is porose 46 that gear 45 is provided with, and pin 47 extends in the hole 46.These pins 47 also extend in the hole 51 of ring 40.Ring 40 is installed on the end 50 of transmission shaft of transmission device by bearing 52, and remains on this axle by clasp 53.Cam so that the mode that a part of tooth of gear 45 and first ring, 41 internal tooth 43 engage be resisted against in the hole in the gear 45.

Joiner

25,26,27 and 28 operation are as follows.Toothed transmission shaft 42 is delivered on the axle of joiner by the rotation of geared assembly 49 with electric motor, so this axle will begin rotation.Gear 45 is installed on eccentric wheel or the cam 48, thereby will carry out the off-centre rotation.So that the mode that gear under any circumstance all will turn round in the part internal tooth 43 of ring 41 designs cam.Then the rotation of gear 45 will be passed to ring 40 by pin 47.

In purposes as shown in Figure 1, first ring 41 is connected in the

outer tube

2,3 and 11 of Fig. 1.Second ring 40 for example is connected in Fig. 1 the end by the indicated interior pipe of

reference character

6,7,14 and 15.

Fig. 6 illustrates the alternative constructions according to support arm of the present invention.In this example, support arm 1 is provided with L shaped first member 3, and first member 3 is affixed to and makes it to rotate around spin axis L5 herein.Pivot fitting 4 makes it possible to around spin axis L1 rotation R1.Second member 2 has second pivot fitting for U-shaped and in its end, second pivot fitting makes it possible to around spin axis L3 rotation R3.Spin axis L1 is parallel in fact with L3.By these spin axiss, the panel display screen that for example is attached to support arm is tilted around one of axis L1 or L3.In addition, by around two spin axis counterrotatings, display screen is moved away from the attached for example wall of support arm.In this case, the orientation of display screen can not change, that is to say, in this case the angle between L4 and the L3 if not constant at all be exactly almost constant.

Can make display screen around the axis tilt that is parallel to L4 by pivot fitting around the rotation of axis L4.Therefore, display screen can be regulated fully for spectators.

Pivot fitting 12 is connected to each other by elbow 13, in this example 13 one-tenth an angle of 90 degrees of elbow.Therefore, axis L3 becomes an angle of 90 degrees with L4.In this embodiment, there is no need as shown in Figure 1ly to regulate around hinge 19 by for example electric motor as actuator 24.

Fig. 7 shows the mode of execution for attachment of the support arm of for example wall.In this embodiment, the position of pivot fitting has been selected to the position that is different from the pivot fitting among Fig. 6 slightly.U-shaped member 2 shank is shorter than another shank in this example, therefore, is arranged in the bonding point of elder generation of support arm herein by the reference character 80 second indicated pivot fittings.In this embodiment, L shaped member is arranged to start from second pivot fitting, and attached in the end of this L shaped member have the 3rd pivot fitting 81, the three pivot fittings 81 to have another L shaped member, and fastener 18 is attached to this another L shaped member.In this example, panel display screen is attached to fastener 18.At the support arm that is in this illustrate in the position that axis L5, L1 and L3 rotate through.As long as spin axis is parallel to L5, L1 and L3, can further increase displacement distance with between the walls by more member of assembling and pivot fitting, make display screen maintenance level.

Display screen can also tilt around spin axis L4.Fig. 8 illustrates the support arm of the Fig. 7 that tilts around this spin axis L4.

Fig. 9 illustrates and for example is used for the pivot hinge of the support arm of Fig. 7 and Fig. 8 or the mode of execution of pivot fitting.In this example, interior pipe 90 parts are contained in the inside of outer tube 91.The outer tube that herein illustrates has limited length, but in fact will have bigger length and even may be the shank of dihedral element according to the support arm of Fig. 7 or Fig. 8.Preferably the ring of making by the plastics such as nylon 92 around outer tube 91 be provided with and the end of outer tube mounted thereto.In order to ensure outer tube is mounted to without any play, as seeing at figure, the edge 93 of ring 92 tilts.This end of outer tube 91 has the declining edge 94 on the declining edge 93 that is assembled to ring 92 equally.For higher stability being provided and improving and install, pipe 90 ends that extend in the outer tube 91 are provided with plug-in unit 95 in this, in the edge 96 of plug-in unit 95 extends to outside the outer wall of pipe 90 until the inwall of outer tube 91.Outer tube 91 is pulled on the declining edge 93 of plastic hoop 92 by pull bar 97.In order to operate automatically, in this example, outer tube 91 also is provided with electric motor 98, and the transmission shaft of electric motor 98 extends through plug-in unit and is provided with gear 99, gear 99 be positioned at pipe (arc) tooth bar 101 on 90 inboards and engage.Certainly, can also expect this structure of reverse change, that is to say that pipe was inboard and the tooth bar ring of internal tooth (or be provided with) is installed in the outer tube in electric motor was installed in.

Selectively, for example under the situation of the mode of execution of Fig. 7 and Fig. 8, for the weight that compensates display screen or monitoring unit can also be equipped with torsion spring or other opens spring in advance near joint 81.

In Figure 10, show the substituting mode of execution that is used for support arm.Once more, this support arm can be provided with actuator easily, and electric motor normally is as the electric motor that is provided with gearing and transmission device that can find out after a while.Specific hinge and structure make it possible to do not having to use support arm under the situation of actuator, and/or make up these actuators in the stage after a while.Once more as previously mentioned, identical reference character is indicated same parts.

In addition, support arm can be folded to supporting walls and for example between the flat screens in very smooth mode.In this embodiment, to the length of different component, their are directed and selection their hinged modes causes this also among other design proposal.

When being provided with control gear, the supplementary features of this support arm are that this control gear has and makes it possible to configuration switch that the different size of the flat screens that will be attached to support arm is selected.Very large-scale flat screens is being attached under the situation of support arm one group of setting value of the motion that limits some hinge in the configuration switch start-up control device.

In this embodiment, so that length A 3 and A1's and select length A 1 to A3 less than the mode of length A 2.In this way, the thickness that is in the support arm in its folding position is about the thickness of described element.Therefore, flat screens can be very installed wall on it near for example support arm 1.

Figure 11 is the side view of support arm.This side view illustrates the chamber 200 that is used for control gear.Control gear makes for example can the remote control support arm.Control gear can be cooperated the actuator that is arranged in the different hinges that are used for axis L5, L1, L3, L4 with for example flat screens away from the mode that wall moves, and steps back in the mode that flat screens remains parallel to wall substantially.In addition, control gear limits motion around these hinges in the mode that prevents to damage flat screens.For example, utilize configuration switch, can limit angle of rotation at the some hinges that are used for large-screen.

Figure 11 also clearly shows the stabilizer 250 that is used for arm.Other details of this stabilizer can be found out in Figure 12.Triangular plate is connected to element 2 in a side.This triangular plate has two whirligigs 251 (can only see) of the sides adjacent of being attached to.These whirligigs are bearing herein, but can also be wheels etc.Whirligig 251 rolls on the pipe of hinge 4.(plastics) lid 252 these mechanisms of protection also stash it it can't be seen.

Whirligig is installed in the plane.In addition, they are mounted to the pipe of hinge 4 tangent.In this way, further shift the downward power that is attached to support arm and acts on the device on the element 2.

Figure 11 also is clearly shown that the attachment element 18 that for example is used for flat screens.Attachment element or fastener 18 have dull and stereotyped 400.Dull and stereotyped 400 hooks 401 that have in the slit that can be hooked on another flat board 403, dull and stereotyped 403 are fixed to outer tube 11, and outer tube 11 and interior pipe 81 are formed for the hinge around axis L4 rotation.Also can have feature as shown in Figure 9 shown in the superincumbent figure of the type of this hinge.

Can utilize tilt actuators to make dull and stereotyped 400 to tilt around axis L4.At this, tilt actuators for example adopts electric motor to be formed in the pipe 300, and this pipe 300 has gear and tooth bar 300 crooked or arc, and tooth bar 301 a distance above a sidepiece is in axis L4 is attached to flat board 403.Adopt this structure of pipe 300 that power is guided to pipe 80.When not using actuator, the pipe 300 with gear and tooth bar 301 and damper can be for manually tilting to provide support.

Element 2 has two pipes that extend and form U-shaped second member down near end or upper beam.The pipe that utilization is located with the longitudinal axis that overlaps in conjunction with outer tube 80 and the outer tube 4 that is attached to element 3, forms hinge 4 and 80.At this, the hinge that is attached to attachment or mounting plate 5 is formed by this principle by two pipes equally.

In being shown, Figure 12 shows in detail the mode of execution of hinge 4 and hinge 80 among Figure 13 a, Figure 13 b of indicated longitudinal section and cross section and Figure 13 c.Electric motor 98 is positioned to the spin axis that its spin axis is parallel to pipe.For this reason, electric motor has transmission device 102 and extends through end plate 95 and end at transmission shaft in the gear 99.Gear 99 turns round in track or tooth bar 101.Herein, rack circle 101 is assembled in (plastics) end cap of sealing outer tube 91.Interior pipe 90 is sealed by end cap equally.Figure 13 a illustrates hinge 4, and Figure 13 b illustrates hinge 80.

Electric motor 98 has the position detecting device that is installed on the top.

Should be appreciated that, introduced above description and be for the operation of the preferred embodiment for the present invention is described, and be not in order to limit the scope of the invention.Based on above-mentioned explanation, many modification will be conspicuous for those of ordinary skills, and these modification all fall within the scope of the present invention.

Claims

1. be used for equipment, be preferably used for the support arm of display screen, comprising:

First fastener, described first fastener is used for described support arm is attached to framework or wall;

First member, described first member at one end portion are attached to described first fastener and are attached to first pivot fitting of permission around the rotation of first spin axis in the other end;

Second member, described second member is attached to described first pivot fitting and is provided with second pivot fitting of permission around the rotation of second spin axis at the second end at first end;

Second fastener, described second fastener are used for described device attachment to described support arm, and described second fastener is attached to described second pivot fitting, and described first spin axis and described second spin axis are parallel to each other basically.

2. support arm as claimed in claim 1, wherein, described second member takes the shape of the letter U substantially.

3. support arm as claimed in claim 1, wherein, described first member is L-shaped substantially.

4. support arm as claimed in claim 1, wherein, described second fastener is connected to the 3rd member, and described the 3rd member is attached to described second pivot fitting.

5. support arm as claimed in claim 4, wherein, described the 3rd member is L-shaped substantially.

6. support arm as claimed in claim 4, wherein, described the 3rd member is connected to described second pivot fitting by the 3rd pivot fitting.

7. support arm as claimed in claim 1, wherein, described member comprises tube elements, described pivot fitting comprises the inner tubular element that is installed in the described tube elements.

8. support arm as claimed in claim 7, wherein, described inner tubular element is installed by outer shroud, described outer shroud is used to form the retainer of the end of the tube elements that is used for member, described retainer is advanced with inclined at acute angles and is positioned to be resisted against on the described interior tube-surface, and the end face of described tube elements is advanced with inclined at acute angles and is positioned at described outer surface, and described outer shroud is preferably the plastic hoop of for example being made by nylon.

9. as claim 7 or 8 described support arms, wherein, described inner tubular element is also installed by the bearing at end element that is positioned at described inner tubular element, described bearing element extends in the described tube elements, the described bearing element that is positioned at the outer exterior wall of described inner tubular element extends on the inwall that is resisted against described outer tube element, and described bearing element is preferably made by the plastics such as nylon.

10. as claim 7,8 or 9 described support arms, wherein, described pivot fitting also comprises clamping element, and described clamping element is used for rotatably the retainer of described outer shroud being clamped in the end of described tube elements.

11. the described support arm of each in the claim as described above, wherein, the 3rd joint connects described first fastener and described first member, and the spin axis of described the 3rd joint is in substantially parallel relationship to the spin axis of described first joint and described second joint.

12. the described support arm of each in the claim as described above, wherein, described first joint connects with actuator, described actuator turns round around described first spin axis at described second member of runtime chien shih, described second joint is attached to second actuator, described second actuator rotates or revolution around described second spin axis at described second fastener of runtime chien shih, and, described second fastener is shifted with respect to described first fastener in case activate described first actuator and described second actuator.

13. as claimed in claim support arm when being subordinated to claim 11, wherein, described the 3rd joint connects with actuator, and described actuator turns round around described the 3rd spin axis at described first member of runtime chien shih.

14. support arm as claimed in claim 12 also comprises:

Control gear, described control gear is controlled to described first actuator, described second actuator and described the 3rd actuator can rotate as follows: make described equipment, be in particular flat screens and keep its orientation with respect to described first fastener, be in particular and only increase or reduce the distance of described equipment, keep the orientation of described equipment simultaneously with respect to described first fastener with respect to described first securing means.

15. the described support arm of each in the claim as described above, wherein, described member length relative to each other is selected such that the minimum distance between the installation surface of the installation surface of described second fastener of described support arm and described first fastener is roughly the thickness of thick member, whichsoever thicker, described thickness comprises the thickness of the jointing of joint.

16. the described support arm of each in the claim as described above, wherein, pipe and outer tube at least one joint comprises, described interior pipe is fixed in the member that is connected with described joint, described outer tube is at least partially in extending in the pipe in described, and the longitudinal axis of described outer tube with described under the longitudinal axis of the pipe situation about overlapping substantially, be fixed in the member that is connected with described joint another.

17. support arm, described support arm specifically is used for the panel display apparatus such as liquid crystal display panel or plasma screen, described support arm comprises first member with first longitudinal axis and has second member of second longitudinal axis and with described member first joint connected to one another at a certain angle, described first member is attached to the fastener that is used for attached described arm, described first joint comprises the first dihedral element with first end and the second end, described first end is attached to described first member so that can be around the longitudinal axis rotation of described first member, and described the second end is attached to described second member so that can be around the longitudinal axis rotation of described second member, and described first end and described the second end are attached to first driver element and second driver element respectively, described first driver element and described second driver element are attached to described first member and described second member respectively, thereby in case activate described first driver element, just make of the longitudinal axis rotation of the described first dihedral element around described first member, and, just make of the longitudinal axis rotation of described second member around described second member in case activate described second driver element.

18. support arm as claimed in claim 17, also comprise the 3rd member and with described second member and described the 3rd member second joint connected to one another with longitudinal axis, described second joint comprises the second dihedral element with first end and the second end, described first end is attached to described second member so that can be around the longitudinal axis rotation of described second member, and described the second end is attached to described the 3rd member so that can be around the longitudinal axis rotation of described the 3rd member, and described first end and described the second end are attached to the 3rd driver element and 4 wheel driven moving cell respectively, described the 3rd driver element and described 4 wheel driven moving cell are attached to described first member and second member respectively, thereby in case activate described the 3rd driver element, just make of the longitudinal axis rotation of the described second dihedral element around described second member, in a single day and activate described 4 wheel driven moving cell, just make of the longitudinal axis rotation of described the 3rd member around described the 3rd member.

19. support arm as claimed in claim 18, wherein, described the 3rd member comprises the framework fastener, and described framework fastener is used for attached framework, is specifically used for attached panel display apparatus such as liquid crystal display panel or plasma screen.

20. support arm as claimed in claim 17, wherein, in initial position, described fastener, described first member, described second member and described if present the 3rd member and the basic fixed position of described framework fastener are in initial plane.

21. support arm as claimed in claim 17, also comprise the hinge that is connected to described first member and described fastener, described hinge is used for described first member is attached to described fastener in hinged way, can carry out the angle adjustment to the longitudinal axis of described first member thus in described initial plane.

22. support arm as claimed in claim 17, also comprise actuator, described actuator is between described fastener and described first member, particularly, if there is described hinge, between described fastener and described hinge, described actuator comprises first actuation element that is connected to described fastener and second actuation element that is connected to described first member and/or described hinge, and described first actuation element and described second actuation element can relative to each other be shifted along the displacement axis.

23. support arm as claimed in claim 22, wherein, described displacement axis is in substantially parallel relationship to described initial plane, and preferably extends in described initial plane substantially.

24. support arm as claimed in claim 17, wherein, described driver element is attached to described pivot fitting by transmission device, described transmission device is provided with and the described longitudinal axis transmission shaft and first ring point-blank, the eccentricity gear and second ring, has the internal tooth that is connected to a tube elements on described first ring, described eccentricity gear has at least one tooth less than the internal tooth of described first ring, and the interior indented joint of the tooth of described eccentricity gear and described first ring, and described eccentricity gear is provided with driving element, described second ring is connected to another tube elements and is provided with the driving element that the driving element with described gear is complementary, therefore when the motor running of described driver element, described first ring and described second encircles relative to each other and rotates.

25. be used for the pivot fitting of support arm, comprise first tube elements and second tube elements, described first tube elements has longitudinal axis, an end of described second tube elements is rotatably installed and is extended in described first tube elements, and be provided with the electric motor that is attached in described first tube elements or described second tube elements, described first tube elements and described second tube elements are coupled to each other by transmission device, described transmission device is provided with transmission shaft and is provided with first ring, the eccentricity gear and second ring, described transmission shaft is by described electrical motor driven and in alignment with described longitudinal axis, have internal tooth and be connected to a tube elements on described first ring, described eccentricity gear has at least one tooth less than the internal tooth of described first ring, and the interior indented joint of the tooth of described eccentricity gear and described first ring, and described eccentricity gear is provided with driving element, described second ring is connected to another tube elements and is provided with the driving element that the driving element with described gear is complementary, therefore when described electric motor turned round, described first ring and described second ring relative to each other rotated.

26. pivot fitting as claimed in claim 25, wherein, described first ring and described second ring are installed on the transmission shaft of described transmission device.

27. pivot fitting as claimed in claim 25, wherein, described gear is provided with the pin as driving element, described pin extend to described second the ring in the hole in, the diameter in described hole is greater than the diameter of described pin.

28. be used for equipment, be preferably used for the support arm of display screen, comprising:

Second fastener, described second fastener are used for described device attachment to described support arm, and described second secure component is attached to described second pivot fitting, and described first spin axis and described second spin axis are parallel to each other basically;

First actuator and second actuator, described first actuator and described second actuator are arranged in described first joint and described second joint, are used to activate be used to provide the described joint that rotatablely moves;

Control gear, described control gear operatively are attached to described first actuator and described second actuator, are used to control described rotatablely moving.

29. support arm as claimed in claim 28, wherein, described control gear is set for as follows and is controlled: make described equipment, be in particular flat screens and keep its orientation with respect to described first fastener, be in particular and only increase or reduce the distance of described equipment, keep the orientation of described equipment simultaneously with respect to described first fastener with respect to described first securing means.

30. comprise the equipment of the one or more characteristic features described in the specification and/or shown in the accompanying drawing.

31. comprise the method for the one or more characteristic features described in the specification and/or shown in the accompanying drawing.