CN209364637U - Elevating mechanism, display screen elevating mechanism and robot - Google Patents

Abstract

The utility model provides a kind of elevating mechanism, display screen elevating mechanism and robot, including actuating arm, including the first arm and the second arm, is fixedly connected and forms predetermined angle angle；Slave arm, including first end and second end；First connector is set to the first arm and the second arm junction, and the first connector and actuating arm are hinged, and the first connector has moving portion, and with slave arm sliding contact, moving portion can be slided along the extending direction of slave arm；Support frame, has linear guide, the first limiting section and the second limiting section, and sliding part is arranged in linear guide；Mounting portion is used for installation load；And driving portion；Wherein, when sliding part is moved to the first limiting section of touching or the second limiting section, driving portion stops driving sliding part, and sliding part is maintained at stop position.Elevating mechanism provided by the utility model makes robot can be according to the interaction needs of user, and automatic lifting and rotation interaction screen make interaction screen closer to user, promotes user-interaction experience.

Description

Elevating mechanism, display screen elevating mechanism and robot

Technical field

The utility model relates to robotic technology field, in particular to a kind of elevating mechanism, display screen elevating mechanism and machine Device people.

Background technique

Extensive use has been obtained in multiple fields in mobile robot.In some scenes, such as indoor office scene, Need mobile robot that there is human-computer interaction function, this robot usually has the display screen for human-computer interaction.However, being Allow the robot to it is stable moving and executing instruction, the height of robot is often lower.In this case, robot uses There are certain distances between interactive display screen meeting and user, cause user and robot interactive difficult, user experience is bad.

Utility model content

The utility model is completed in view of above-mentioned current condition, and its purpose is to provide a kind of elevating mechanisms, make Robot can be according to the interaction needs of user, and automatic lifting and rotation interaction screen make interaction screen closer to user, promote user and hand over Mutually experience.

To achieve the goals above, the utility model embodiment provides the following technical solutions:

The utility model provides a kind of elevating mechanism, comprising:

Actuating arm, the actuating arm include the first arm and the second arm, and first arm is fixedly connected simultaneously with second arm And form predetermined angle angle；

Slave arm, the slave arm include first end and second end；

First connector, first connector are set to the junction of first arm Yu second arm, and described A connection piece and the actuating arm are hinged, and first connector has moving portion, and the moving portion and the slave arm slide Contact, the moving portion can be slided along the extending direction of the slave arm；

Support frame, support frame as described above have linear guide, the first limiting section and the second limiting section, set in the linear guide Set sliding part；

Mounting portion, the mounting portion are used for installation load component；And

Driving portion, the driving portion is for driving the sliding part to move along the linear guide；Wherein,

One end far from first connector of first arm is articulated with the sliding part, second arm it is separate One end of first connector is articulated with the mounting portion, and the first end is articulated with support frame as described above, the second end hinge It is connected to the mounting portion, when the sliding part is moved to touching first limiting section or touches second limiting section, institute It states driving portion and stops the driving sliding part movement, and the sliding part is maintained at stop position.

Elevating mechanism involved in the utility model can realize that predetermined angle rotates while height is suitably lifted, And halted state can be kept in predeterminated position.

In addition, support frame as described above includes the first support column and the second support column, first support column and second described Dagger is symmetrical and is arranged in parallel, and the first linear guide is arranged on first support column, is arranged on second support column Second linear guide, the first straight line guide rail and the second straight line guide rail are symmetrical and are arranged in parallel, and described first is straight First sliding part is set on line guide rail, the second sliding part, first sliding are set on the second straight line guide rail Second connector is set between part and second sliding part, and the actuating arm includes the first actuating arm and the second actuating arm, institute It states the first actuating arm and second actuating arm is symmetrical arranged, first actuating arm and first sliding part are hinged, described Second actuating arm and second sliding part are hinged, the slave arm include the first slave arm and the second slave arm, described first Slave arm and second slave arm are symmetrical arranged.In this case, the first actuating arm and the second actuating arm can realize stabilization Ground synchronizing moving.

In addition, the driving portion includes lead screw, feed screw nut fixing piece and motor, the feed screw nut fixing piece is set to On second connector, the lead screw runs through the feed screw nut fixing piece, and one end of the lead screw is connect with the motor, The lead screw is arranged in parallel with the linear guide.The movement of the first actuating arm and the second actuating arm is only needed by same as a result, A motor is driven, and is reduced costs, and the movement of the first actuating arm and the second actuating arm is made to keep synchronizing.

In addition, support frame as described above includes first crossbeam, the first crossbeam is respectively perpendicular two support columns of connection, institute Stating first crossbeam includes the first rotation section, and first rotation section is run through in described one end of the lead screw, described one end with it is described Motor connection.In this case, make motor fixation more firm, and lead screw can be freely rotated.

In addition, support frame as described above includes second cross beam, the second cross beam is respectively perpendicular two support columns of connection, institute It is parallel with the first crossbeam to state second cross beam, the second cross beam includes the second rotation section, the separate electricity of the lead screw One end of machine is inserted into second rotation section.First crossbeam, second cross beam, the first support column, the second support column are constituted as a result, Frame structure improves the stability of mechanism in the operating condition.

In addition, first sliding part includes the first articulated section, second sliding part includes the second articulated section, described the One articulated section and second articulated section are respectively arranged at the both ends of second connector, and connect with second connector It connects, first actuating arm is articulated with first articulated section, and second actuating arm is articulated with second articulated section.At this In the case of kind, the first sliding part and the second sliding part realize firm connection, it is ensured that the first sliding part and the second sliding part can It moves synchronously.

In addition, first limiting section and second limiting section at least one be set to the support column.It slides as a result, When moving part is moved to predetermined limit position along linear guide, the limiting section on support column can be touched, realization is stopping at Predeterminated position.

In addition, the mounting portion include the first mounting plate and the second mounting plate, first actuating arm and described first from Swing arm is hingedly connected to first mounting plate, and second actuating arm and second slave arm are hingedly connected to described second Mounting plate, first mounting plate and second mounting plate are towards identical and arranged symmetrically.It is installed as a result, by using two Plate, can reduce space size shared by mounting plate entirety, not only saved material but also reduced the overall weight of elevating mechanism.

The utility model also provides a kind of display screen elevating mechanism, and the display screen elevating mechanism includes as described above rises Descending mechanism further includes display screen, and the display screen is installed on the mounting portion.In this case, display screen can be in height Predetermined angle rotation is realized while appropriate lifting, and can keep halted state in predeterminated position.

The utility model also provides a kind of robot, and the robot includes elevating mechanism as described above.In this feelings Under condition, the elevating mechanism of robot can realize that predetermined angle rotates while height is suitably lifted, and can be default Position keeps halted state, and then can promote interactive experience closer to user.

According to elevating mechanism provided by the utility model, display screen elevating mechanism and robot, elevating mechanism can be Predetermined angle rotation is realized while height is suitably lifted, and can keep halted state in predeterminated position, and then can be more Close to user, interactive experience is promoted.

Detailed description of the invention

Fig. 1 shows the schematic perspective view of elevating mechanism involved in the embodiments of the present invention；

The stereochemical structure for being in extreme position Fig. 2 shows elevating mechanism involved in the embodiments of the present invention is shown It is intended to.

Specific embodiment

Hereinafter, explaining preferred embodiments of the present invention in detail with reference to attached drawing.In the following description, for Identical component assigns identical symbol, and the repetitive description thereof will be omitted.In addition, only schematical figure, component are mutual for attached drawing Size ratio or the shape of component etc. can be with actual difference.

As shown in Figure 1, elevating mechanism 1 involved in present embodiment includes actuating arm 10, slave arm 20, the first connector 30, support frame 40, mounting portion 50 and driving portion 60.Elevating mechanism 1 can be used for being promoted specified object, such as display screen, support Disk etc..

In the present embodiment, actuating arm 10 includes the first arm 111 and the second arm 112.First arm 111 and the second arm 112 It is fixedly connected and forms predetermined angle angle.In some instances, default angle can be any angles such as 120 °, 160 °. Specifically, the second arm extends generally towards the direction that elevating mechanism 1 is lifted.First arm 111 and the second arm 112 can be in approximations Rectangular-shape.In some instances, the first arm 111 and the second arm 112 can be solid construction.In some instances, first Arm 111 and the second arm 112 are the rectangular blocks of center hollow out.It in this case, can while ensuring structural strength To save material.Further, the first arm 111 and the second arm 112 can be integrally formed.It is understood that the first arm 111 It can also be by being connected and fixed with the second arm 112.

Further, slave arm 20 includes first end 23 and second end 24.In the present embodiment, slave arm 20 is in bar Shape.It is understood that in some instances, slave arm 20 can also be in the form of a column.

Further, the first connector 30 is set to the junction of the first arm 111 and the second arm 112.First connector 30 It is hinged with actuating arm 10.In this case, the first connector 30 can be rotated relative to actuating arm 10.In some instances, First connector 30 can have fillet with the both ends of general ellipsoidal or the first connector 30.First connector 30 has Moving portion 31.Moving portion 31 and 20 sliding contact of slave arm.Moving portion 31 can be slided along the extending direction of slave arm 20.Specifically For, the first connector 30 can substantially be in block.Moving portion 31 can have conduit, and moving portion 31 can be along the first connector 30 width direction is extended.It the cross section of moving portion 31 can be rounded.Moving portion 31 is for accommodating the one of slave arm 20 Segment length.In the present embodiment, the cross section of conduit is substantially in semi-circular, and in other words, the side of conduit has opening.? In present embodiment, the junction of the first arm 111 and the second arm 112 forms recess portion, and recess portion can have flat bottom surface.First Connector 30 is sunken on the bottom surface of recess portion.In this case, the first connector 30 has the space of rotation in recess portion, and The space that connector 30 and actuating arm 10 integrally occupy can be reduced.

Further, support frame 40 has linear guide 41, the first limiting section 42 and the second limiting section 43.Linear guide 41 Upper setting sliding part 47.Specifically, linear guide 41 can be straight slideway, sliding part 47 is set in linear guide 41 On.First limiting section 42 and the second limiting section 43 can be travel switch.

Further, mounting portion 50 is used for installation load component.Specifically, mounting portion 50 can install specified object, Such as the object that display screen, pallet etc. need to be lifted.

Further, driving portion 60 is for driving sliding part 47 to move along linear guide 41.In some instances, it drives Portion 60 can use motor driven.

Further, one end far from the first connector 30 of the first arm 111 is articulated with sliding part 47.Second arm 112 One end far from the first connector 30 is articulated with mounting portion 50.The first end 23 of slave arm 20 is articulated with support frame 40.Second end 24 are articulated with mounting portion 50.When sliding part 47 is moved to the second limiting section 43 of the first limiting section 42 of touching or touching, driving portion 60 stop the driving movement of sliding part 47, and sliding part 47 is maintained at stop position.

In this case, elevating mechanism 1 involved in the utility model can be realized while height is suitably lifted Predetermined angle rotation, and halted state can be kept in predeterminated position.

In some instances, actuating arm 10, slave arm 20, the first connector 30, linear guide 41, sliding part 47 can be equal It is one.In other words, 30, linear guides 41 and one of the first connector of slave arm 20, one of actuating arm 10, one A sliding part 47 constitutes a set of lifting assembly.It is understood that the lifting assembly can be more to cover and be arranged in parallel.

As illustrated in fig. 1 and 2, in some instances, support frame 40 includes the first support column 44 and the second support column 45.First Support column 44 and the second support column 45 are symmetrical and be arranged in parallel.Specifically, the first support column 44 and the second support column 45 are in plate Shape is cylinder.Support frame 40 can also include bottom plate 46.First support column 44 and the second support column 45 are fixed on bottom plate 46. First support column 44 and the second support column 45 can have certain angle to be arranged relative to bottom plate 46.Angle can be 70 °, The biggish acute angles such as 80 °.In this case, when bottom plate 46 is parallel to ground, the first support column 44 and the second support column 45 Can be at an angle towards oblique upper relative to ground, i.e. the direction of the first support column 44 and the second support column 45 can be more The good user high towards the height than elevating mechanism 1.In some instances, the first support column 44 and the second support column 45 can also With engraved structure.Thus, it is possible to not only ensure structural strength, but also material is saved, while reducing the entirety of elevating mechanism 1 Weight.First straight line guide rail 411 is set on first support column 44.Second straight line guide rail 412 is set on second support column 45.First Linear guide 411 and second straight line guide rail 412 are symmetrical and are arranged in parallel.Specifically, first straight line guide rail 411 and second straight line The inside opposite in the first support column 44 and the second support column 45 can be set in guide rail 412.First straight line guide rail 411 and second is directly Line guide rail 412 is arranged each along the length direction of support column.First sliding part 471 is set on first straight line guide rail 411.Second is straight Second sliding part 472 is set on line guide rail 412.Second connector is set between first sliding part 471 and the second sliding part 472 48.Actuating arm 10 includes the first actuating arm 11 and the second actuating arm 12.First actuating arm 11 and the second actuating arm 12 are symmetrical arranged. First actuating arm 11 and the first sliding part 471 are hinged.Second actuating arm 12 and the second sliding part 472 are hinged.Slave arm 20 includes First slave arm 21 and the second slave arm 22.First slave arm 21 and the second slave arm 22 are symmetrical arranged.In this case, One actuating arm 11 and the second actuating arm 12 can realize steadily synchronizing moving.Specifically, in the present embodiment, due to described Lifting assembly is two sets and is symmetrical arranged, and two sets of hoisting mechanisms are connected by the second connector 48, therefore be may be implemented steady Surely synchronizing moving.

In some instances, the second connector 48 can be plate body.Second connector 48 can have hollow-out part.

In some instances, driving portion 60 includes lead screw 61, feed screw nut fixing piece 62 and motor 63.Feed screw nut is fixed Part 62 is set on the second connector 48.Lead screw 61 runs through feed screw nut fixing piece 62.It is understood that lead screw 61 can have There is external screw thread, feed screw nut fixing piece 62 can have the internal screw thread being threadedly engaged with lead screw 61.One end of lead screw 61 and motor 63 connections.Lead screw 61 is arranged in parallel with linear guide.Specifically, lead screw 61 is driven by motor 63 and rotated, feed screw nut is solid Determine part 62 by the rotation of lead screw 61 and along lead screw 61 to length direction move, feed screw nut fixing piece 62 passes through the second connection 48 synchronous drive the first sliding part 471 of part and the second sliding part 472 are moved along linear guide.First actuating arm, 11 He as a result, The movement of second actuating arm 12 only needs to be driven by the same motor 63, reduces costs, also reduces system power dissipation, and And make the first actuating arm 11 synchronous with the movement of the second actuating arm 12 holding.

In some instances, support frame 40 includes first crossbeam 401.Specifically, first crossbeam 401 can be rectangular slab Body.Also, first crossbeam 401 can have hollow-out part.First crossbeam 401 is respectively perpendicular two support columns of connection.First is horizontal Beam 401 includes the first rotation section 491.First rotation section 491 may include bearing, and bearing holder (housing, cover) is loaded on lead screw 61, and and lead screw 61 is fixed.The first rotation section 491 is run through in one end of lead screw 61.Described one end is connect with motor 63.In this case, make motor 63 fixations are more firm, and lead screw 61 can be freely rotated.

In the present embodiment, supporting element 40 further includes electric machine support 403.Electric machine support 403 is set to first crossbeam 401, and it is set to the one side opposite with the second connector 48 of first crossbeam 401.Electric machine support 403 has accommodating chamber.Receiving Chamber is between first crossbeam 401 and electric machine support 403.Motor 63 is fixed on outside accommodating chamber.Shaft coupling is set inside accommodating chamber Device 404.Shaft coupling 404 connects lead screw 61 and motor 63.In this case, motor 63 is fixed, and 63 pairs of silks of motor The driving of thick stick 61 is more stable.

In some instances, support frame 40 can also include second cross beam 402.Specifically, second cross beam 402 can be Rectangular panel body.Also, second cross beam 402 can have hollow-out part.Second cross beam 402 is respectively perpendicular two supports of connection Column.Second cross beam 402 can be set at the top of the first support column 44 and the second support column 45.Second cross beam 402 and the first cross Beam 401 is parallel.Second cross beam 402 includes the second rotation section 492.Second rotation section 492 can be embedded in second cross beam 402.Silk One end of the separate motor 63 of thick stick 61 is inserted into the second rotation section 492.In some instances, one end of lead screw 61 can also be run through Second rotation section 492.Second rotation section 492 may include bearing, and bearing holder (housing, cover) is loaded on lead screw 61, and fixed with lead screw 61.By This, first crossbeam 401, second cross beam 402, the first support column 44, the second support column 45 constitute frame structure, improve mechanism and exist Stability under working condition.

In the present embodiment, feed screw nut fixing piece 62 can be set at 48 middle part of the second connector.First rotation section 491 can be set at 401 middle part of first crossbeam.Second rotation section 492 can be set at the middle part of second cross beam 402.It is specific and Speech, the first support column 44 and the second support column 45 are symmetrical about lead screw 61.In this case, the first actuating arm 11 and second drives Moving synchronously for swing arm 12 is more stable.

In the present embodiment, the plate face of first crossbeam 401 and second cross beam 402 is arranged generally towards bottom plate 46.The One linear guide 411 and second straight line guide rail 412 are set between first crossbeam 401 and second cross beam 402.In other words, One linear guide 411, second straight line guide rail 412, first crossbeam 401, the setting of the generally rectangular frame of second cross beam 402.

In the present embodiment, the first slave arm 21 and the second slave arm 22 are articulated with second cross beam 402.And it is hinged Position is close to and first support column 44 connected vertically of second cross beam 402 and the second support column 45.In such a case, it is possible to Ensure that slave arm and actuating arm substantially move in the same plane, the structural stability of lifting system.

In the present embodiment, the first sliding part 471 includes the first articulated section 4711.Second sliding part 472 includes second Articulated section 4721.First articulated section 4711 and the second articulated section 4721 are respectively arranged at the both ends of the second connector 48, and with The connection of second connector 48.Specifically, the first articulated section 4711 and the second articulated section 4721 can be separately positioned on two directly The opposite inside of line guide rail, and be arranged close to linear guide.First actuating arm 11 is articulated with the first articulated section 4711.Second Actuating arm 12 is articulated with the second articulated section 4721.In this case, the first sliding part 471 and the second sliding part 472 are realized surely Solid connection, it is ensured that the first sliding part 471 and the second sliding part 472 can move synchronously.

In some instances, the first limiting section 42 and the second limiting section 43 at least one be set to support column.It is specific and Speech, when support column is one, the first limiting section 42 and the second limiting section 43 can be all set on the support column.In this embodiment party In formula, the first limiting section 42 is set to the first support column 44.Specifically, the first limiting section 42 can be set in the first support column Close to the position of second cross beam 402 on 44.In some instances, the first limiting section 42 also can be set on the first support column 44 Other positions.Second limiting section 43 can be set in the position on first crossbeam 401 and close to the first support column 44.It can be with Understand, the second limiting section 43 also can be set in the position on first crossbeam 401 and close to the second support column 45.At this In embodiment, sliding part touches the first limiting section 42, and elevating mechanism 1 is promoted to extreme position, the second limit of sliding part touching Portion 43, elevating mechanism 1 drop to extreme lower position, specifically, slave arm can substantially hang down with linear guide in extreme position Directly, in extreme lower position, slave arm can be substantially parallel with linear guide.Sliding part is moved to default along linear guide as a result, When extreme position, the limiting section on support column can be touched, realizes that elevating mechanism 1 stops at predeterminated position.

In the present embodiment, mounting portion 50 includes the first mounting plate 51 and the second mounting plate 52.First mounting plate, 51 He Second mounting plate 52 is in rectangle, and has hollow-out part.First actuating arm 11 and the first slave arm 21 are hingedly connected to One mounting plate 51.Second actuating arm 12 and the second slave arm 22 are hingedly connected to the second mounting plate 52.Also, actuating arm and driven Arm is hingedly connected to the both ends of the bottom surface of mounting plate.First mounting plate 51 and the second mounting plate 52 are towards identical and arranged symmetrically. In the present embodiment, the first mounting plate 51 and the second mounting plate 52 are symmetrical about lead screw 61.It is installed as a result, by using two Plate, can reduce space size shared by mounting plate entirety, not only saved material but also reduced the overall weight of elevating mechanism.

In the present embodiment, the second arm of the first actuating arm 11, the first slave arm 21 and the formation of the first mounting plate 51 Triangular structure.Second arm of the second actuating arm 12, the second slave arm 22 and the second mounting plate 52 form triangular structure.And And second arm, slave arm and mounting plate still keep triangular structure under motion state.In this case, even if actuating arm and The structural stability of slave arm relative motion, system is also improved.

In the present embodiment, when sliding part touches the first limiting section 42 being arranged close to second cross beam 402, mounting plate court It is substantially in 45° angle to the oblique upper of second cross beam 402, and with bottom plate 46.When sliding part touches the second limiting section 43, mounting plate is arrived Up to the position near two support columns.It is understood that according to the position of the first limiting section 42 and the second limiting section 43, The angle of extreme position, mounting plate and bottom plate 46 is also possible to other any angles such as 30 °, 40 °.

The utility model also provides a kind of display screen elevating mechanism (not shown).Display screen elevating mechanism includes as described above Elevating mechanism 1, about elevating mechanism 1, this will not be repeated here.Display screen elevating mechanism further includes display screen.Display screen is installed on Mounting portion.In the present embodiment, display screen is installed on two mounting plates.In this case, display screen can be suitable in height Predetermined angle rotation is realized while lifting, and can keep halted state in predeterminated position.

The utility model also provides a kind of robot (not shown).Robot includes elevating mechanism 1 as described above, about This will not be repeated here for elevating mechanism 1.Robot can also include display screen.Display screen is installed on mounting portion.In this case, The elevating mechanism of robot can realize that predetermined angle rotates while height is suitably lifted, and can protect in predeterminated position Halted state is held, and then interactive experience can be promoted closer to user.

In some instances, robot can also include shell, when sliding part touches the second limiting section (closed state), show Display screen, which is dropped to, to be bonded with shell or is substantially bonded with shell.Can load dispatching object in shell, for example, mail, document, Coffee etc..In this case, elevating mechanism 1 in off position when, can play a protective role to display screen, preventing need not The collision wanted, and it is mobile convenient for robot.

Embodiments described above does not constitute the restriction to the technical solution protection scope.It is any in above-mentioned implementation Made modification, equivalent replacement and improvement etc., should be included in the protection model of the technical solution within the spiritual and principle of mode Within enclosing.

Claims (10)

1. a kind of elevating mechanism characterized by comprising

Actuating arm, the actuating arm include the first arm and the second arm, and first arm is fixedly connected with second arm and shape At predetermined angle angle；

Slave arm, the slave arm include first end and second end；

First connector, first connector are set to the junction of first arm Yu second arm, and described first connects Fitting and the actuating arm are hinged, and first connector has moving portion, the moving portion and the slave arm sliding contact, The moving portion can be slided along the extending direction of the slave arm；

Support frame, support frame as described above have linear guide, the first limiting section and the second limiting section, are arranged in the linear guide and slide Moving part；

Mounting portion, the mounting portion are used for installation load component；And

Driving portion, the driving portion is for driving the sliding part to move along the linear guide；Wherein,

One end far from first connector of first arm is articulated with the sliding part, second arm far from described One end of first connector is articulated with the mounting portion, and the first end is articulated with support frame as described above, and the second end is articulated with The mounting portion, when the sliding part is moved to touching first limiting section or touches second limiting section, the drive It is mobile that dynamic portion stops the driving sliding part, and the sliding part is maintained at stop position.

2. elevating mechanism as described in claim 1, which is characterized in that support frame as described above includes the first support column and the second support Column, first support column and described second support column symmetry and are arranged in parallel, be arranged described in first on first support column The second linear guide, the first straight line guide rail and the second straight line are arranged on second support column for linear guide Guide rail is symmetrical and is arranged in parallel, and the first sliding part is arranged on the first straight line guide rail, sets on the second straight line guide rail The second sliding part is set, the second connector, the actuating arm are set between first sliding part and second sliding part Including the first actuating arm and the second actuating arm, first actuating arm and second actuating arm are symmetrical arranged, and described first drives Swing arm and first sliding part are hinged, and second actuating arm and second sliding part are hinged, and the slave arm includes the One slave arm and the second slave arm, first slave arm and second slave arm are symmetrical arranged.

3. elevating mechanism as claimed in claim 2, which is characterized in that the driving portion includes lead screw, feed screw nut fixing piece And motor, the feed screw nut fixing piece are set on second connector, the lead screw is fixed through the feed screw nut Part, one end of the lead screw are connect with the motor, and the lead screw is arranged in parallel with the linear guide.

4. elevating mechanism as claimed in claim 3, which is characterized in that support frame as described above includes first crossbeam, and described first is horizontal Beam is respectively perpendicular two support columns of connection, and the first crossbeam includes the first rotation section, and described one end of the lead screw is passed through First rotation section is worn, described one end is connect with the motor.

5. elevating mechanism as claimed in claim 4, which is characterized in that support frame as described above includes second cross beam, and described second is horizontal Beam is respectively perpendicular two support columns of connection, and the second cross beam is parallel with the first crossbeam, and the second cross beam includes One end far from the motor of second rotation section, the lead screw is inserted into second rotation section.

6. elevating mechanism as claimed in claim 2, which is characterized in that first sliding part includes the first articulated section, described Second sliding part includes the second articulated section, and first articulated section and second articulated section are respectively arranged at second connection Both ends of part, and connecting with second connector, first actuating arm are articulated with first articulated section, and described second Actuating arm is articulated with second articulated section.

7. elevating mechanism as claimed in claim 2, which is characterized in that first limiting section and second limiting section are at least There is one to be set to the support column.

8. elevating mechanism as claimed in claim 2, which is characterized in that the mounting portion includes the first mounting plate and the second installation Plate, first actuating arm and first slave arm are hingedly connected to first mounting plate, second actuating arm and institute State the second slave arm and be hingedly connected to second mounting plate, first mounting plate and second mounting plate towards identical and It is symmetrical arranged.

9. a kind of display screen elevating mechanism, which is characterized in that the display screen elevating mechanism includes such as any one of claim 1-8 The elevating mechanism further includes display screen, and the display screen is installed on the mounting portion.

10. a kind of robot, which is characterized in that the robot includes such as the described in any item elevating mechanisms of claim 1-8.