CN201316022Y

CN201316022Y - Lifting device of display

Info

Publication number: CN201316022Y
Application number: CNU200820177418XU
Authority: CN
Inventors: 方玲贵
Original assignee: HELI WOOD PRODUCTS CO Ltd
Current assignee: HELI WOOD PRODUCTS CO Ltd
Priority date: 2008-10-30
Filing date: 2008-10-30
Publication date: 2009-09-30
Anticipated expiration: 2018-10-30

Abstract

Disclosed is a lifting device of a display, which comprises a body, a lifting device, a flip close device and a control switch; wherein the top surface of the body is provided with an open slot, and an accommodation space is formed below the open slot; the body is movably combined with a cover plate at the open slot; the lifting device and the flip close device are arranged in the accommodation space; the lifting device comprises a first base, a second base, a cross linkage mechanism and a linear actuator; wherein the cross linkage mechanism is connected with the first base and the second base; through the retraction of the linear actuator, the cross linkage mechanism is linked to perform corresponding lifting operation; one end of the flip close device butts against below the cover plate, and the other end thereof is connected with the first base of the lifting device, so that the lifting operation of the lifting device is formed to link the flip close device to lead the cover plate to be flipped close, and lead the cover plate to slide into the accommodation space of the body after being flipped over; and the control switch is arranged correspondingly to the lifting device in a matching way to control the lifting operation of the lifting device. The lifting control of the device leads the display to be movably folded when not in use.

Description

The display lowering or hoisting gear

Technical field

The utility model relates to a kind of display lowering or hoisting gear, especially refer to a kind ofly lift the Combination Design of closing a device and a gauge tap by a body, lowering or hoisting gear, one, can in the limited space of body (can be a body or cabinet), finish the installation lowering or hoisting gear, display is taken in activity and easy of rise is controlled and the purpose of display easy to use to reach, and is suitable for being applied in the elevating mechanism or the similar lifting structure of table for computer or cabinet for TV etc. especially.

Background technology

General display is as: traditional monitor (CRT), LCD screen (LCD) or as video screen etc., because the volume utmost point of its display takies the space at ornaments place, make display the ornaments place as: can provide the user to use that (for example: space paperwork) becomes very limited on desktop, the cabinet for TV face.Moreover, after in a single day display is placed in ornaments place (as being positioned on the desktop), if do not carry out the words of dust prevention, just can make shortly after and be stained with one deck ash on the display, if and when bumping against display because of carelessness, whole display can be knocked over down though also be unlikely, can be hooked to power supply, connecting line behind sometimes, cause user's various shortcoming such as fear.

LCD screen now (LCD) is though the bulky problems such as take up space that can solve traditional monitor (CRT), but still can take desk-top space after all, especially LCD screen (LCD) has light weight, is hit shake easily and cause the problem that is damaged, but, if the time spent does not conceal with LCD screen, that incites somebody to action when user demand is arranged takes out of again, and can cause the inconvenience in the use again.

In addition; owing to scientific and technological progress development a kind of plasma display (being plasm TV); can improve the visual enjoyment of watching display (being screen); but be installed in wall for a long time when having spent many funds to purchase one one " plasm TV " cashier's office in a shop the time; if there are not properly to maintain the words of its screen; it is many then can to cause its life-span to shorten; especially this screen regular meeting lures that child's curiosity goes touch to press to press into and sees; but this screen is unable to stand so improperly, and gravity presses, and so easily makes this screen thereby scraps.The picture of this screen not little (its length and width dimension scale be majority with 16: 9) usually simultaneously, the time spent conceals so adopt not, is not easy really and it is taken out of the mode of coming when demand is arranged again; In addition,, will certainly make the beholder need face upward head and view and admire and represent picture in the screen, cause beholder's physical fatigue, problem such as ache again easily when time one is of a specified duration if this screen is hung De Taigao.

Summary of the invention

Main purpose of the present utility model is, a kind of display lowering or hoisting gear is proposed, by a body, a lowering or hoisting gear, one is lifted the Combination Design of closing a device and a gauge tap, can in the confined space of body (body can be a body or cabinet), finish and lowering or hoisting gear is installed and is lifted and close device, by lowering or hoisting gear the display activity is accommodated in the body (table body or cabinet), when user demand, rise again and appear end face in body (table body or cabinet) in one's mind for use, and lowering or hoisting gear of the present utility model can interlock lifts and closes device action and lift and close cover plate, when display being descended be accommodated in body (table body or cabinet) interior, can allow the end face of body (table body or cabinet) smooth for utilizing, effective utilization and enhancement visual aesthetics with room for promotion, and can have the effect easy to use of simply controlling lowering or hoisting gear, and then promote whole practicality by the design of gauge tap, aesthetic property and convenience.

Another purpose of the present utility model is, a kind of display lowering or hoisting gear is proposed, lift the Combination Design of closing a device and a gauge tap by a body, lowering or hoisting gear, one, and the utility model can further be provided with a leaning device, appear in one's mind in the user at the moment the time so that display rises with lowering or hoisting gear, the adjustment that can have gradient, the comfortableness when watching display with the enhancement user, and then promote whole practicality.

Another purpose of the present utility model is, a kind of display lowering or hoisting gear is proposed, lift the Combination Design of closing a device and a gauge tap by a body, lowering or hoisting gear, one, the utility model can further be provided with a rotating mechanism again, so that display rises and has rotatable function after appearing in one's mind, the direction that makes things convenient for the user to adjust to watch display is to promote whole practicality and convenience.

For reaching above-mentioned purpose, the utility model provides a kind of display lowering or hoisting gear, this display lowering or hoisting gear comprises: a body, the end face of this body is provided with a fluting, and this body in the activity of fluting place in conjunction with a cover plate, run groove jointly with cover, and this body is formed with an accommodation space in the below of fluting, is provided with at least one slide rail in this accommodation space; A lowering or hoisting gear, this lowering or hoisting gear is located in the accommodation space of body below, this lowering or hoisting gear includes one first pedestal, one second pedestal, an one cross link mechanism and a linear actuators, one side activity of this first pedestal is incorporated at least one slide rail in this accommodation space, this second pedestal then is fixedly arranged on the below in the accommodation space, this cross link mechanism is located between first pedestal and second pedestal and flexibly connects first pedestal and second pedestal, this linear actuators is connected in the cross link mechanism, makes the corresponding lifting action that produces of cross link mechanism by the flexible of this linear actuators with interlock; One is lifted and closes device, this lifts and closes device and be located in the accommodation space of body, this lifts the below that an end that closes device is resisted against cover plate, and the other end is connected on first pedestal of lowering or hoisting gear, to form and the lowering or hoisting gear interlock, the lifting interlock of lowering or hoisting gear is lifted close cover plate, and allow cover plate throw the back landing to the accommodation space of body; And a gauge tap, the corresponding lowering or hoisting gear of this gauge tap sets, with the lifting action of control lowering or hoisting gear.

The utlity model has following useful technique effect:

1, the utility model lifts the Combination Design of closing a device and a gauge tap by a body, lowering or hoisting gear, one, and this body also can be the cabinet of putting TV except can be table bodies such as table for computer, conference table; The utility model can reach installs this lowering or hoisting gear in the limited space of body (as table body or cabinet), the time spent is accommodated in the body (as table body or cabinet) the display activity and appears purpose for use again in one's mind when user demand, and, lifting action with lowering or hoisting gear can interlock lifts and closes device and lift the ease of use of closing cover plate, and descend in display, after taking in, can make full use of the space of body (desktop or cabinet top) end face, with effective utilization that promotes the confined space and the visual appearance effect that promotes integral body, again by gauge tap simply control the lifting action that can control lowering or hoisting gear, more promoted the convenience of using.

2, the utility model is by can further being provided with a leaning device on lowering or hoisting gear, so that display is when appearing in one's mind on body (as table body or cabinet) end face along with lowering or hoisting gear rises, can allow the user adjust the angle of inclination of watching, the comfortableness when watching with lifting.

3, can on lowering or hoisting gear, further be provided with a rotating mechanism by the utility model again, behind the end face of body (as table body or cabinet), can have the function that rotation is adjusted, can satisfy the user watches display in all directions demand so that display appears in one's mind.

Description of drawings

Fig. 1 is the stereo appearance figure after the lowering or hoisting gear of the utility model embodiment rises;

Fig. 2 is the three-dimensional assembly exploded view of the utility model embodiment;

Fig. 3 is the sectional perspective outside drawing after the lowering or hoisting gear of the utility model embodiment rises;

Fig. 4 is the sectional perspective outside drawing after the lowering or hoisting gear of the utility model embodiment descends;

Fig. 5 is the stereo appearance figure after the lowering or hoisting gear of the utility model embodiment descends;

Fig. 6 is the sectional perspective cut-away view of the A-A part of Fig. 5;

Fig. 7 after the lowering or hoisting gear of the utility model embodiment rises, lifts the sectional perspective outside drawing that closes device;

Fig. 8 is the utility model embodiment behind the installing display, the user mode schematic diagram that display rises;

Fig. 9 is the utility model embodiment behind the installing display, the sectional perspective cut-away view at leaning device place;

Figure 10 is the utility model embodiment behind the installing display, the sectional perspective cut-away view at rotating mechanism place.

Symbol description among the figure

1 body

11 flutings, 111 second support members

12 cover plates, 121 joint portions

13 accommodation spaces, 131 guide grooves

14 slide rails

15 barrier sheets

2 lowering or hoisting gears

21 first pedestals, 211 guide channels

22 second pedestals, 221 guide channels

23 cross link mechanisms, 231 braces

24 linear actuators

241 expansion links, 242 outer tubes

243 motors

3 lift and close device

31 back-up blocks, 311 springs

32 linkages, 321 connectors

4 gauge taps

5 leaning devices

50 holders, 501 bonding pads

51 sliding seat, 511 screening glass

52 hinges

53 movable parts, 531 protuberances

54 elastic parts, 541 springs

6 rotating mechanisms

61 cylinders

62 cylinders

7 screen connecting supports

8 displays

The specific embodiment

Please join Fig. 1～10, the utility model provides a kind of display lowering or hoisting gear, and this display lowering or hoisting gear comprises:

A body 1, the end face of this body 1 be provided with one the fluting 11, and this body 1 in the fluting activity of 11 places in conjunction with a cover plate 12, run groove 11 jointly for cover, and this body 1 is formed with an accommodation space 13 in the below of fluting 11, is provided with at least one slide rail 14 in this accommodation space 13; This body 1 can be embodied as a body or cabinet, and in present embodiment, this body 1 is embodied as a body, implements two slide rails 14 in this accommodation space 13.

A lowering or hoisting gear 2, this lowering or hoisting gear 2 is located in the accommodation space 13 of body 1 below, this lowering or hoisting gear 2 includes one first pedestal 21, one second pedestal 22, an one cross link mechanism 23 and a linear actuators 24 (electric pushrod that linear actuators 24 promptly is commonly called as), one side activity of this first pedestal 21 is incorporated at least one slide rail 14 in this

accommodation space

13,22 of this second pedestals are fixedly arranged on the below in the accommodation space 13, this cross link mechanism 23 is located between first pedestal 21 and second pedestal 22 and flexibly connects first pedestal 21 and second pedestal 22, this linear actuators 24 is connected in the cross link mechanism 23, produces lifting actions by the flexible of this linear actuators 24 with interlock cross link mechanism 23 correspondences; Wherein, this linear actuators 24 is provided with an expansion link 241, and is movably set in expansion link 241 outer tube 242 and a motor 243 outward, and this expansion link 241 is connected in the cross link mechanism 23 in an end that stretches out outer tube 242, and this motor 243 drives the end that expansion link 241 stretches out outer tube 242 and begins to carry out expanding-contracting action when starting running; This cross link mechanism 23 is made up of the interconnection that multi-disc brace 231 is the X type, and each brace 231 forms movable combination in the junction, 231 of the braces of one side of the upper end of this cross link mechanism 23 and lower end (left side as shown in Figure 3) are fixedly arranged on respectively on the side of first pedestal 21 and second pedestal 22, be respectively equipped with a guide channel 211 on the opposite side of this first pedestal 21 and second pedestal 22,221, the movable respectively guide channel 211 that is incorporated into first pedestal 21 and second pedestal 22 on the brace 231 of the upper end of this cross link mechanism 23 and the opposite side of lower end (right side as shown in Figure 3), in 221, make in the cross link mechanism 23, the opposite side of lower end combines with first pedestal 21 and the 22 formation activities of second pedestal respectively, stretching, extension that can be by 231 of each cross-coupled braces or stacked forms flexible for cross link mechanism 23.

One is lifted and closes device 3, this lifts and closes device 3 and be located in the accommodation space 13 of body 1, this lifts the below that an end that closes device 3 is resisted against cover plate 12, and the other end is connected on first pedestal 21 of lowering or hoisting gear 2, to form and lowering or hoisting gear 2 interlocks, the lifting interlock of lowering or hoisting gear 2 is lifted close device 3 to lift and close cover plate 12, and allow cover plate 12 throw the back landing to the accommodation space 13 of body 1; This lifts and closes device 3 and include back-up block 31 and the linkage 32 that two groups of correspondences are arranged at relative two sides of these cover plate 12 belows, respectively the top of this back-up block 31 is resisted against the below of this cover plate 12, and respectively this linkage 32 is flexibly connected mutually by multi-disc connector 321 and forms, and respectively the connector 321 of an end of this linkage 32 is incorporated into the lower end of the back-up block 31 that its correspondence sets, wherein, be provided with spring 311 between the lower end of this back-up block 31 and the connector 321, but for making this back-up block 31 elasticity starts, and the connector 321 of the other end of this linkage 32 is incorporated on first pedestal 21 of this lowering or hoisting gear 2, for making lowering or hoisting gear 2 and lifting and close device 3 formation interlocks.

A gauge tap 4, these gauge tap 4 corresponding lowering or hoisting gears 2 set, with the lifting action of control lowering or hoisting gear 2; This gauge tap 4 can be located on this body 1, and the gauge tap 4 in present embodiment is located at body 1 (being desktop) below, and electrically connects with the linear actuators 24 of lowering or hoisting gear 2; Or this gauge tap 4 can be embodied as a remote control (figure do not show), to make things convenient for the lifting of hand-held remote control lowering or hoisting gear 2; Thus, have the control lifting and make display to form one in the movable display lowering or hoisting gear of taking in of time spent not.

Wherein, respectively be provided with a guide groove 131 (as the sectional perspective cut-away view behind the fluting 11 cover unification cover plates 12 of Fig. 5 and this body 10 of A-A part of watching Fig. 5 by the rear shown in Figure 6) on two opposite sides of the accommodation space 13 of this body 1 (two sides the promptly) inwall, and respectively be provided with a joint portion 121 on two opposite sides of this cover plate 12 (two sides promptly) (in present embodiment, the metal projection is adopted in this joint portion 121), the joint portion 121 of this cover plate 12 is incorporated in the guide groove 131 with guide groove 131 corresponding matching and corresponding activity, can be concealed in the accommodation space 13 along guide groove 131 landings when being raised for this cover plate 12; This top of lifting the back-up block 31 that closes device 3 is provided with leads fillet, is beneficial to cover plate 12 and lifts and can take advantage of a situation landing when closing and be concealed in the accommodation space 13, can be because of landing action scratch to reach cover sheet 12 surfaces.

Moreover, can further be provided with a leaning device 5 on this lowering or hoisting gear 2, this leaning device 5 includes a holder 50, one sliding seat 51, one hinge 52, one movable part 53 and an elastic parts 54, and this holder 50 is fixedly arranged on first pedestal 21 of lowering or hoisting gear 2, this sliding seat 51 is stacked at the top of holder 50 and the connection by hinge 52 forms and holder 50 mutual movable combinations, this holder 50 is provided with a groove, a side is combined with a bonding pad 501 in this groove, one end activity of this movable part 53 is incorporated on the bonding pad 501 of the groove in the holder 50, the other end forms a protuberance 531 and protrudes outside the holder 50, the below of this sliding seat 51 is installed with a screening glass 511 corresponding to the groove of holder 50, when shoring sliding seat 51 for movable part 53 rotates, usefulness with protection sliding seat 51, this elastic parts 54 adopts a spiral shell spare in present embodiment, and the outer sheathed spring 541 of this spiral shell spare, this elastic parts 54 is penetrated to the sliding seat 51 of top by the bottom of holder 50, this spring 541 is sheathed on outside the part of elastic parts 54 between holder 50 and sliding seat 51, for the usefulness of sliding seat 51 elastic resets; The end face of this body 1 below vertically is provided with a barrier sheet 15 corresponding to protuberance 531 places of the movable part 53 of leaning device 5; protuberance 531 for block movable part 53 rises; and make movable part 53 rotation starts simultaneously and shore the screening glass 511 of sliding seat 51; make disengaging stacked state between sliding seat 51 and the holder 50 and be formed with an angle; to allow sliding seat 51 tilt; in order in conjunction with behind the display 8 (being screen); make to have the elasticity that gradient is adjusted, so that the beholder to be provided a comfortable visual angle (as shown in Figure 9).

Can further be provided with a rotating mechanism 6 on this leaning device 5, this rotating mechanism 6 is the cylinder 61 of one group of up and down combination, 62 formed rotating shafts, the cylinder 62 of this lower end is incorporated on the sliding seat 51 of leaning device 5, on the cylinder 61 of this upper end in conjunction with a screen connecting support 7, for a display 8 is set, because on this rotating mechanism 6, the cylinder 61 of lower end, 62 adopt coaxial pivot joints and make the cylinder 61 that is positioned at the top can 360 degree rotations, and then allow display 8 rise and the end face (being desktop) that is revealed in body 1 when going up, can carry out the direction adjustment of 360 degree, watch in order to the user.

But when reality was implemented, this leaning device 5 also can be if can not select a setting with rotating mechanism 6.If do not establish leaning device 5 when implementing, also can on this lowering or hoisting gear 2, further be provided with a rotating mechanism 6, this rotating mechanism 6 can be incorporated on first pedestal 21 of lowering or hoisting gear 2, and this rotating mechanism 6 is provided with a screen connecting support 7, for a display 8 is set, wherein, this rotating mechanism 6 can adopt

cylinder

61,62 formed rotating shafts wherein arbitrary of a universal joint, one group of up and down combination.

In addition, the utility model when implementing with slide rail 14, lowering or hoisting gear 2, lift and close device 3, leaning device 5 and rotating mechanism 6 etc. and have and link and the assembly of continuous action relation is mounted on earlier in the framework, again it is packed in the accommodation space 13 of body 1, make to have the assembling of being easy to, to promote the convenience of overall package and maintenance; And, have easier desk or the cabinet for TV that is implemented on the existing furniture of repacking, with augmentation application of the present utility model.

The utility model is embodied as a body with body 1 and further is provided with a leaning device 5 and a rotating mechanism 6 is the example explanation.And in setting firmly a display 8 on 61 on the cylinder of rotating mechanism 6, this display 8 can adopt LCD screen (LCD), can display 8 be hidden in the accommodation space 13 of body 1 (table body) by lowering or hoisting gear 2 when not using display 8; At this moment, cover plate 12 can cover closes the fluting 11 of the end face (being desktop) of body 1, and the end face (being desktop) that makes body 1 is complete and can use.When pressing the rising button of gauge tap 4, can start motor 243 entrys into service of the linear actuators 24 of lowering or hoisting gear 2, allow the expansion link 241 of linear actuators 24 begin elongation, rise with the cross link mechanism 23 that drives lowering or hoisting gear 2, and connect first pedestal 21 and second pedestal 22 by cross link mechanism 23, for making first pedestal 21 obtain the power that the slide rails 14 in the accommodation space 13 of body 1 (i.e. table body) rise, make also rising thereupon of the display 8 that is fixedly arranged on first pedestal, 21 tops (this display 8 is located on the screen connecting support 7 of rotating mechanism 6 tops on the leaning device 5 of first pedestal, 21 tops).

Be resisted against the below of cover plate 12 by the top of lifting the back-up block 31 that closes device 3, the connector 321 that lifts an end of the linkage 32 that closes device 3 is incorporated into the lower end of back-up block 31, and the other end connector 321 of this linkage 32 is connected on first pedestal 21 of lowering or hoisting gear 2, so the rising meeting interlock of lowering or hoisting gear 2 makes and lifts linkage 32 starts of closing device 3 and back-up block 31 is descended, allow cover plate 12 lose support, and, cover plate 12 also can up be backed down in the top of the display 8 of this rising, and then make cover plate 12 landings to accommodation space 13, allow display 8 be revealed on the fluting 11 of desktop (being the end face of body 1) along with lowering or hoisting gear 2 rises.At this moment, leaning device 5 between first pedestal 21 of these display 8 belows and lowering or hoisting gear 2, because of the protuberance 531 of its movable part 53 is stopped by the barrier sheet 15 of desktop (end face of body 1) below when rising, so that pushing up because of movable part 53 rotations own, an end of movable part 53 sticks up, strut sliding seat 51, sliding seat 51 is formed with holder 50 have an angle, this elastic parts 54 makes the two maintenance activity combination, so that but sliding seat 51 elasticity are adjusted gradient (being corner dimension), and then adjustable tilt degree when allowing the display 8 that is arranged at sliding seat 51 tops be revealed in the end face (being desktop) of body 1, in order to watching; Be incorporated on the rotating mechanism 6 by this display 8 again, can 360 degree rotations when making display 8 be revealed in the end face (being desktop) of body 1, the direction of watching with adjustment.

Otherwise, when pressing the decline button of gauge tap 4, the expansion link 241 of the linear actuators 24 of this lowering or hoisting gear 2 begins to withdraw in the outer tube 242, descend and make first pedestal 21 follow decline with the cross link mechanism 23 that drives lowering or hoisting gear 2 along the slide rails 14 in the accommodation space 13, and then the display 8 on first pedestal 21 is descended and movable being accommodated in the accommodation space 13 of body 1, wherein, elastic parts 54 by leaning device 5 resets sliding seat 51 and is stacked and placed on the holder 50, and then allow display 8 be reset to not heeling condition and can successfully follow lowering or hoisting gear 2 and descend, be accommodated in for activity in the accommodation space 13 of body 1; And linkage 32 starts of closing device 3 can be lifted by interlock when descending by the cross link mechanism 23 of this lowering or hoisting gear 2, up move so that lift the back-up block 31 that closes device 3, and then the top that makes 12 supported 31 of cover plates is propped up and is resetted, and being supported by of second support member 111 by 11 inwalls, one side of slotting, close the fluting 11 of the end face of body 1 for cover.

In addition, the utility model not only can be applicable to table for computer, also can be used on the cabinet for TV of placing the TV LCD screen, the body 1 that is about in the foregoing description is embodied as cabinet by the table structural reform, cabinet for TV (figure do not show) just, to reach when not using the TV LCD screen, its activity can be accommodated in the cabinet (cabinet for TV just) of body 1, when user demand, make its rising appear in one's mind on the cabinet (cabinet for TV just) in body 1 again, make to have the effect that does not take up space fully and promote visual aesthetics; And the convenience that can promote use by gauge tap 4 operation liftings; And, also can be as mentioned among the above-mentioned embodiment and further be provided with leaning device 5 and rotating mechanism 6, make to have the gradient of adjusting the TV LCD screen and the function of view direction.

The above only is preferred embodiment of the present utility model, but when can not be in order to limit the scope of the utility model embodiment, the equalization of being done according to the utility model claims changes and modifies such as, all should be considered as not departing from flesh and blood of the present utility model.

Claims

1. a display lowering or hoisting gear is characterized in that, this display lowering or hoisting gear comprises:

A body, the end face of this body is provided with a fluting, and this body in the activity of fluting place in conjunction with a cover plate, run groove jointly with cover, and this body in the fluting the below be formed with an accommodation space, be provided with at least one slide rail in this accommodation space;

A lowering or hoisting gear, this lowering or hoisting gear is located in the accommodation space of body below, this lowering or hoisting gear includes one first pedestal, one second pedestal, an one cross link mechanism and a linear actuators, one side activity of this first pedestal is incorporated at least one slide rail in this accommodation space, this second pedestal then is fixedly arranged on the below in the accommodation space, this cross link mechanism is located between first pedestal and second pedestal and flexibly connects first pedestal and second pedestal, this linear actuators is connected in the cross link mechanism, makes the corresponding lifting action that produces of cross link mechanism by the flexible of this linear actuators with interlock;

One is lifted and closes device, this lifts and closes device and be located in the accommodation space of body, this lifts the below that an end that closes device is resisted against cover plate, and the other end is connected on first pedestal of lowering or hoisting gear, to form and the lowering or hoisting gear interlock, the lifting interlock of lowering or hoisting gear is lifted close cover plate, and allow cover plate throw the back landing to the accommodation space of body; And

A gauge tap, the corresponding lowering or hoisting gear of this gauge tap sets, with the lifting action of control lowering or hoisting gear.

2. display lowering or hoisting gear as claimed in claim 1, it is characterized in that, this lifts and closes device and include back-up block and the linkage that two groups of correspondences are arranged at relative two sides of this cover plate below, respectively the top of this back-up block is resisted against the below of this cover plate, and respectively this linkage is flexibly connected mutually by the multi-disc connector and forms, and respectively the connector of an end of this linkage is incorporated into the lower end of the back-up block that its correspondence sets, the connector of the other end of this linkage is incorporated on first pedestal of lowering or hoisting gear, for making lowering or hoisting gear and lifting and close device formation interlock.

3. display lowering or hoisting gear as claimed in claim 1, it is characterized in that, respectively be provided with a guide groove on the wall of two opposite sides in the fluting of this body, each correspondence of two opposite sides of this cover plate sets a joint portion, this joint portion activity is incorporated in the guide groove, in order to throwing of cover plate, and is embedded with one second support member on the side of this body top in fluting, this second support member protrudes the inwall of fluting, for supporting cover plate.

4. display lowering or hoisting gear as claimed in claim 1, it is characterized in that, this cross link mechanism is made up of the interconnection that the multi-disc brace is the X type, and each brace forms movable combination in the junction, the brace of one side of the upper end of this cross link mechanism and lower end then is fixedly arranged on respectively on the side of first pedestal and second pedestal, be respectively equipped with a guide channel on the opposite side of this first pedestal and second pedestal, movable respectively being incorporated in the guide channel of first pedestal and second pedestal on the brace of the upper end of this cross link mechanism and the opposite side of lower end, make in the cross link mechanism, the opposite side of lower end forms movable the combination with first pedestal and second pedestal respectively, forms flexible for cross link mechanism.

5. display lowering or hoisting gear as claimed in claim 1, it is characterized in that, further be provided with a leaning device on this lowering or hoisting gear, this leaning device includes a holder, one sliding seat, one hinge, one movable part and an elastic parts, this holder is fixedly arranged on first pedestal of lowering or hoisting gear, this sliding seat is stacked at the top of holder and the connection by hinge forms mutual movable combination, one end activity of this movable part is incorporated in the holder, the other end forms a protuberance and protrudes outside the holder, this elastic parts is penetrated to the sliding seat of top by the bottom of holder, usefulness for the sliding seat elastic reset, the end face of this body below vertically is provided with a barrier sheet corresponding to the protuberance place of the movable part of leaning device, protuberance for the block movable part rises, and make the movable part spinning movement simultaneously and shore sliding seat, make between sliding seat and the holder to break away from stacked state, to allow sliding seat tilt.

6. display lowering or hoisting gear as claimed in claim 5, it is characterized in that, further be provided with a rotating mechanism on this leaning device, this rotating mechanism is the formed rotating shaft of the cylinder of one group of up and down combination, the cylinder of this lower end is incorporated on the sliding seat of leaning device, and in conjunction with a screen connecting support,, adjust angle on this cylinder in order to rotation for a display is set.

7. display lowering or hoisting gear as claimed in claim 1, it is characterized in that, this lowering or hoisting gear further is provided with a rotating mechanism, this rotating mechanism is incorporated on first pedestal of lowering or hoisting gear, this rotating mechanism is provided with a screen connecting support, for a display is set, this rotating mechanism adopts the formed rotating shaft of cylinder wherein arbitrary of a universal joint, one group of up and down combination.

8. display lowering or hoisting gear as claimed in claim 1 is characterized in that, this body is the wherein arbitrary of table body, cabinet.

9. display lowering or hoisting gear as claimed in claim 1 is characterized in that this gauge tap is located on this body, and electrically connects with the linear actuators of lowering or hoisting gear.

10. display lowering or hoisting gear as claimed in claim 1 is characterized in that, this gauge tap is a remote control.