CN2754445Y

CN2754445Y - Two-purpose office/household/computer desk for standing and sitting

Info

Publication number: CN2754445Y
Application number: CN 200420098023
Authority: CN
Inventors: 傅伟杰
Original assignee: Individual
Current assignee: Individual
Priority date: 2004-11-30
Filing date: 2004-11-30
Publication date: 2006-02-01
Anticipated expiration: 2014-11-30

Abstract

The utility model discloses a dual-purpose office/household computer desk for sitting/standing, which comprises a desk supporting frame. In the utility model, the upper end part of the desk supporting frame is provided with a liftable desktop used for laying a computer, and a drawable keyboard frame is arranged below the desktop; the bottom of the desktop is provided with a support frame composed of a screw rod or a shearing lever, and a push-and-pull device which can push and pull the support frame to be lifted up and down is arranged on the desk supporting frame. After the structure is adopted, the desktop for the computer can be very conveniently lifted up and down, enabling an operator to use the computer not only in a sitting posture but also in a standing posture, so the goal that the computer operator's working state is very conveniently regulated is achieved. The utility model has the advantage of simple structure, and is the dual-purpose office/household computer desk for sitting/standing which can be freely lifted up and down.

Description

A kind of seat/dual-purpose type office/home computer the table of standing

Technical field

The utility model relates to the furniture item that a kind of office/family uses, and particularly relates to a kind of seat/dual-purpose type office/home computer table of standing.

Background technology

Computer desk is a kind of furniture that is used to place computer equipment, and people will be placed on computer the enterprising line operate of computer desk usually and use when using computer equipment, for this reason, we can say that computer desk is the basic matching product of computer.Fast development along with Chinese national economy, the significantly raising of living standards of the people, the particularly significantly reduction of the fast development of Computer Applied Technology and computer prices, make computer become one of common tool of office/family, the big computer that uses to network, as bank's banking procedure where deposits and withdrawals are processed at any branch bank network, stock jobbery stock network etc., the little LAN that uses to unit, and to individual home computer that uses or the like, the use of computer has been quite universal, administrative, enterprises and institutions utilize computer to carry out the management of office work, traditional mail postal delivery is also replaced by the E-mail communication of computer in large quantities, day or night all has a large amount of network fans to chat on line on line or the inquiry data, we can say the shadow that in daily life, be unable to do without computer, equally also be unable to do without the computer desk that is provided to computer certainly.Present computer desk is generally a fixing workbench, when people use, computer is to be placed on the workbench, the operator is sitting in the enterprising line operate of work chair, because the computer operator is a kind of sitting posture for a long time, in the course of time be easy to produce the defect of the small of the back, for this reason, the user has only the activity activity of often standing up can avoid the disease of the small of the back that long-term sitting posture brings, but because the computer operator can not often recall or think about in this way and regulate, particularly in case after entering duty, one sat several hours even tens hours often, the computer operator is just very difficult to avoid the disease of the small of the back that long-term sitting posture brought like this.

The utility model content

The purpose of this utility model is to overcome the deficiency of prior art, provide a kind of simple in structure, lifting computer desk freely makes the operator both can be sitting posture and uses computer, also can be stance and use computer, reach the purpose of regulating computer operator's duty very easily.

The technical scheme that its technical problem that solves the utility model adopts is: a kind of seat/dual-purpose type office/home computer table of standing, comprise a support, and the upper end of table support is provided with the liftable desktop that is used to place computer, but desktop has the keyboard frame of pull; The bottom attaching one of desktop is by screw mandrel or shear the bracing frame that lever is formed, or the direct gas/liquid voltage rise falling unit of ejection desktop lifting; But the table support is provided with the push-pull device at fixed of push-and-pull bracing frame lifting.

The push-pull device at fixed of described push-and-pull screw mandrel comprises reducing motor, driving wheel, driven pulley, nut sleeve, plane bearing; Nut sleeve matches with wire rod thread as bracing frame; The interior ring of nut sleeve outer wall and plane bearing fixes, and the outer shroud of plane bearing is installed on the support; Driven pulley is fixed in the external wall of upper portion of nut sleeve, and reducing motor is installed on the support, and driving wheel is fixed in the rotating shaft of reducing motor, driving wheel and driven pulley engaged transmission or belt transmission; The table support is provided with the circular hole that wears screw mandrel, is provided with a protruding wall in the hole, correspondingly is provided with guide groove with matching on screw mandrel.

The push-pull device at fixed of described push-and-pull screw mandrel also comprises control circuit board and the switchboard that is used to control the reducing motor forward and backward; Control circuit board, switchboard are contained in respectively on the support; Be provided with the computer programming control chip in the control circuit board; At least be provided with on the switchboard button, rising operating key, the operating key that descends are set, stop operating key.

Described table support also is connected with the socket of being convenient to insert power supply, and the input of socket is connected with mains power socket.

The described bracing frame of being made up of screw mandrel or shearing lever also overlaps an extension sleeve outward, and the upper end of extension sleeve and the bottom of desktop fix, and the bottom of extension sleeve fixes with the top of table support.

Described extension sleeve is interior folded formula telescopic or flat folded formula telescopic.

Also be provided with an auxiliary support bar between described desktop rear portion and the table support, the upper end of auxiliary support bar and the bottom of desktop fix, and the bottom of auxiliary support bar socket-connects with the table support, and its socket place is provided with the locked instrument that is contained on the support.

The push-pull device at fixed of described push-and-pull screw mandrel comprise worm gear and with the worm screw of worm wheel, worm screw is vertical equity by bearing and is installed on the support; The front portion of worm screw is provided with can spacing or mobilizable rocking handle, or is provided with the transmission mechanism that is driven by reducing motor; Worm gear by plane bearing be installed in the worm screw mated position the table support on; The worm gear endoporus is provided with the screw thread that can match with screw mandrel; Wire rod thread is set in the worm gear endoporus ordinatedly; The table support is provided with the circular hole that wears screw mandrel, is provided with a protruding wall in the hole, correspondingly is provided with guide groove with matching on screw mandrel.

The push-pull device at fixed that lever is sheared in described push-and-pull comprises a screw rod and the set square that can move forward and backward along screw rod; Screw rod is vertical equity by bearing and is installed on the support, and the front portion of screw rod is provided with rocking handle; The front and rear part of set square respectively is provided with a nut, and nut thread is matched with on the screw rod; Described shearing lever is formed with some the 2nd U type bars that are in the rear portion by being in anterior some U type bars, the bottom of one joint U type rod member, the end of the one U type bar is articulated with a table support, each saves the upper end of a U type bar and last one bottom of saving U type bar of corresponding the 2nd U type bar is articulated, and the upper end and the desktop rear portion of pushing up a joint the one U type bar most are articulated; The end of the 2nd U type bar bottom and the set square of one joint U type rod member are articulated, and each upper end of saving the 2nd U type bar is articulated with the bottom that last one of a corresponding U type bar saves U type bar, pushes up a upper end and a front part of desk-top that saves the 2nd U type bar most and is articulated; The one U type bar intersects with corresponding the 2nd U type bar middle part and is articulated; The corresponding articulated section of both sides also can an affixed cross bar.

Described hydraulic lift comprises the magnetic valve of hydraulic cylinder and the oil-feed of control hydraulic cylinder, and the piston rod end and the desktop of hydraulic cylinder fix.

The beneficial effects of the utility model are, owing to adopted in table support upper end and be provided with the liftable desktop that is used to place computer, but desktop has the keyboard frame of pull, in the bottom of desktop attaching one by screw mandrel or shear the bracing frame that lever is formed, but and the push-pull device at fixed that on the table support, is provided with the lifting of push-and-pull bracing frame, can very easily computer desktop be carried out lifting, make the operator both can be sitting posture and use computer, also can be stance and use computer, change the computer operator and be the custom that sitting posture uses computer for a long time, but standing posture or sitting posture use and choose at random, meet principle of human engineering, exempted the computer operator and be the sitting posture use body illness that computer brought for a long time; Because the lifting position of computer desktop can be selected arbitrarily, all can use the computer operator of different heights; Owing to adopted reducing motor, driving wheel, driven pulley, nut sleeve, plane bearing to constitute the push-pull device at fixed of push-and-pull screw mandrel, have simple in structure, characteristics easy to use, particularly adopted control circuit board to drive reducing motor work, utilize the computer programming control chip of establishing in the control circuit board can realize programming Control, increased the flexibility of using greatly motor; Owing to adopted U type bar to be used as shearing the basic building block of lever, increased and sheared the support degree of lever to computer desktop.

Description of drawings

Below in conjunction with drawings and Examples the utility model is described in further detail; But a kind of seat of the present utility model/dual-purpose type office/home computer table of standing is not limited to embodiment.

Fig. 1 is embodiment one organigram of the present utility model;

Fig. 2 is the organigram of embodiment one the utility model (desktop rising state);

Fig. 3 is the section construction schematic diagram of embodiment one the utility model push-pull device at fixed;

Fig. 4 is the socket schematic diagram of embodiment one the utility model screw mandrel and table support;

Fig. 5 is the organigram of embodiment two the utility model (desktop rising state);

Fig. 6 is embodiment three organigrams of the present utility model;

Fig. 7 is the cutaway view of A-A line among Fig. 6;

Fig. 8 is the organigram of embodiment four the utility model push-pull device at fixed;

Fig. 9 is the organigram of embodiment five the utility model push-pull device at fixed;

Figure 10 is the organigram that embodiment five the utility model are sheared lever.

The specific embodiment

Embodiment one, referring to Fig. 1, Fig. 2, Fig. 3, shown in Figure 4, a kind of seat of the present utility model/dual-purpose type office/home computer table of standing, comprise a support 11, the upper end of table support 11 is provided with the liftable desktop 12 that is used to place computer, but desktop 12 has the keyboard frame 121 of pull, the bracing frame that the bottom attaching one of desktop 12 is made of screw mandrel 13, but table support 11 is provided with the push-pull device at fixed of push-and-pull screw mandrel 13 liftings.

Push-pull device at fixed comprises reducing motor 14, driving wheel 151, driven pulley 152, nut sleeve 153, plane bearing 16; Nut sleeve 153 and screw mandrel 13 threads engaged; The interior ring of nut sleeve 153 outer walls and plane bearing 16 fixes, and the outer shroud of plane bearing 16 is installed on the support 11; Driven pulley 152 is fixed in the external wall of upper portion of nut sleeve 153, and reducing motor 14 is installed on the support 11, and driving wheel 151 is fixed in the rotating shaft of reducing motor 14, and driving wheel 151 and driven pulley 152 are gear, driving wheel 151 and driven pulley 152 engagement transmissions mutually; On table support 11, be provided with the circular hole that wears screw mandrel 13, be provided with a protruding wall in the hole, correspondingly on screw mandrel 13, be provided with guide groove 131 with matching.

Push-pull device at fixed also comprises control circuit board and the switchboard that is used to control the reducing motor forward and backward; Control circuit board, switchboard are contained in respectively on the support 11, and switchboard is installed in the position of being convenient to operate, on the fixed mesa as table support 11; Be provided with the computer programming control chip in the control circuit board; At least be provided with on the switchboard button, rising operating key, the operating key that descends are set, stop operating key.

Also be connected with the socket 17 of being convenient to insert power supply at table support 11, the input of socket 17 is connected with mains power socket, like this can be so that various power supply access with electric loading.

In use, when the liftable desktop does not rise, the operator is sitting posture and uses computer, after using a period of time, when the operator thinks that being necessary to change into stance uses, with the rising operating key on the hand push switch plate, control circuit board is to reducing motor 14 output control signals, motor 14 rotates, motor 14 rotates the back and has driven driving wheel 151 rotations by rotating shaft, driving wheel 151 rotates the back and rotates by driving driven pulley 152 with being meshed of driven pulley 152, because driven pulley 152 and nut sleeve 153 Joints rotate nut sleeve 153; After nut sleeve 153 is rotated, because nut sleeve 153 and screw mandrel 13 threads engaged, then nut sleeve 153 moves up by the screw thread ejection screw mandrel 13 that matches, the upper end ejection desktop 12 of screw mandrel 13 is raise, screw mandrel 13 moves past in the journey last, and the protruding wall shift of its guide groove 131 circular hole with matching on the table support 11 is moving, like this, screw mandrel 13 just can not make its twisting because of the torsion of rotation, to prevent the deflection of desktop; In control circuit board, be provided with the computer programming control chip, height distance that can pre-set rising, the number of turns of rotating when motor 14 reach that desktop 12 raises apart from the time, the control circuit output signal, motor 14 is stopped operating, then desktop 12 is fixed on the certain height place, and at this moment, the computer operator can be stance and use computer; By button being set adjusting at any time the height that raises on the switchboard, so just can be adapted to people's use of differing heights; Stopping operating key and can in lifting process, make desktop stop lifting on the push switch plate.When the computer operator uses computer after a period of time with stance, in the time of the desktop of placing computer need being fallen, with the decline operating key on the hand push switch plate, control circuit board is to reducing motor 14 output control signals, motor 14 backward rotation, motor 14 rotates the back and has driven driving wheel 151 rotations by rotating shaft, driving wheel 151 rotates the back and rotates by driving driven pulley 152 with being meshed of driven pulley 152, because driven pulley 152 and nut sleeve 153 Joints, nut sleeve 153 is rotated, the rotation direction of nut sleeve 153 is with above-mentioned opposite at this moment, after nut sleeve 153 backward rotation, because nut sleeve 153 and screw mandrel 13 threads engaged, then nut sleeve 153 moves down by the screw thread pulling screw mandrel 13 that matches, and the upper end pulling desktop 12 of screw mandrel 13 is reduced, when dropping to the fixed mesa position, computer programming control chip output control signal in the control circuit board stops operating motor 14; Then place the desktop of computer and get back to the original place again, the operator can be sitting posture again and use computer.

The utility model not only can be realized operator's sitting posture or stance use computer, also can carry out the fine setting of computer desktop height under the sitting posture state, with the different requirements of the person that is adapted to the different operating to the keyboard height, makes the operator use computer in the best condition.

Embodiment two, referring to shown in Figure 5, a kind of seat of the present utility model/dual-purpose type office/home computer table of standing, be with the difference of embodiment one, the screw mandrel 13 outer extension sleeves 21 that also overlap, the upper end of extension sleeve 21 and the bottom of desktop fix, and the bottom of extension sleeve 21 fixes with the top of table support 11.

In the use, when desktop 12 was raised, extension sleeve 21 was exhibition and stretches state, in screw mandrel 13 can being coated on like this, has guaranteed appearance and modeling preferably.

Wherein extension sleeve 21 is flat folded formula telescopic, folded formula telescopic or other telescopic in can certainly adopting.

Embodiment three, referring to Fig. 6, shown in Figure 7, a kind of seat of the present utility model/dual-purpose type office/home computer table of standing, be with the difference of embodiment one, between desktop 12 rear portions and table support 11, also be provided with an auxiliary support bar 31, the bottom of the upper end of auxiliary support bar 31 and desktop 12 fixes, the bottom of auxiliary support bar 31 socket-connects with table support 11, its socket place is provided with locked instrument, this locked instrument is a locking screw 311, locking screw 311 is to be contained on the support 11, when rising puts in place, locking screw 311 is tightened auxiliary support bar 31 is fixed on the support 11.When so in use, can balance desktop 12 front portions using keyboard because of the operator firmly.

Embodiment four, referring to shown in Figure 8, a kind of seat of the present utility model/dual-purpose type office/home computer table of standing, be with the difference of embodiment one, the push-pull device at fixed of push-and-pull screw mandrel 13 comprise worm gear 41 and with the worm screw 42 of worm wheel, worm screw 42 is vertical equity by bearing 43 and is installed on the support 11, the front portion of worm screw 42 is provided with rocking handle 44, this rocking handle 44 has position limiting structure; can rotate when rocking handle 44 is outwards pulled out; worm screw 42 can not be rotated when rocking handle 44 was pressed into, worm gear 41 by the plane bearing (not shown) be installed in worm screw 42 mated position the table support 11 on; Worm gear 41 endoporus are provided with the screw thread that can match with screw mandrel 13; Be set in to screw mandrel 13 threaded engagement worm gear 41 endoporus.

When needs rising desktop, shake rocking handle 44 worm screw 42 is rotated, driven worm gear 41 after worm screw 42 is rotated and rotated, because worm gear 41 endoporus and screw mandrel 13 threads engaged, then worm gear 41 moves up by the screw thread ejection screw mandrel 13 that matches, and the upper end ejection desktop of screw mandrel 13 is raise; When needs are fallen desktop, shaking rocking handle 44 makes worm screw 42 backward rotation in the other direction, after rotating, worm screw 42 driven worm gear 41 backward rotation, because worm gear 41 endoporus and screw mandrel 13 threads engaged, then worm gear 41 moves down by the screw thread pulling screw mandrel 13 that matches, and the upper end pulling desktop of screw mandrel 13 is fallen.

Embodiment five, referring to Fig. 9, shown in Figure 10, a kind of seat of the present utility model/dual-purpose type office/home computer table of standing, be with the difference of embodiment one, its adopt to be sheared lever 50 and is used as lowering or hoisting gear, and push-pull device at fixed comprises a screw rod 51 and the set square 52 that can move forward and backward along screw rod; Screw rod 51 is vertical equity by bearing 53 and is installed on the support 11, and the front portion of screw rod 53 is provided with rocking handle 54; The front and rear part of set square 52 respectively is provided with a nut 521, and nut 521 threaded engagement are on screw rod 51; Wherein, shearing lever 50 forms with some the 2nd U type bars 502 that are in the rear portion by being in anterior some U type bars 501, the bottom of one joint U type rod member, the end of the one U type bar 501 is articulated with a table support 11, each saves the upper end of a U type bar 501 and last one bottom of saving U type bar of corresponding the 2nd U type bar 502 is articulated, and the upper end and the desktop rear portion of pushing up a joint the one U type bar 501 most are articulated; The end of the 2nd U type bar 502 bottom and the set square 52 of one joint U type rod member are articulated, each saves the upper end of the 2nd U type bar 502 and last one bottom of saving U type bar of a corresponding U type bar 501 is articulated, and the upper end and the front part of desk-top that push up a joint the 2nd U type bar 502 most are articulated; The one U type bar 501 intersects with corresponding the 2nd U type bar 502 middle parts and is articulated; The corresponding articulated section of both sides also can an affixed cross bar 503.

When needs rising desktop, shaking rocking handle 54 rotates screw rod 51, because nut 521 threaded engagement in screw rod 51 and the set square 52, then screw rod 51 pushes away set square 52 by the screw thread that matches and moves forward, after set square 52 reaches, it is close to a U type bar 501 to have driven the 2nd U type bar 502, is opened by the shear rod thick stick 50 that a U type bar 501 and the 2nd U type bar 502 constitute, and desktop is raise; When needs reduce desktop, oppositely shake rocking handle 54 and make screw rod 51 backward rotation, because nut 521 threaded engagement in screw rod 51 and the set square 52, then screw rod 51 pushes away set square 52 by the screw thread that matches and moves backward, after moving behind the set square 52, driven the 2nd a U type bar 502 and a U type bar 501 away from, by shear rod thick stick 50 closures that a U type bar 501 and the 2nd U type bar 502 constitute, desktop is reduced.

Claims

1. dual-purpose type office/home computer table of sit/standing is characterized in that: comprise a support, the upper end of table support is provided with the liftable desktop that is used to place computer, but desktop has the keyboard frame of pull; The bottom attaching one of desktop is by screw mandrel or shear the bracing frame that lever is formed, or the direct gas/liquid voltage rise falling unit of ejection desktop lifting; But the table support is provided with the push-pull device at fixed of push-and-pull bracing frame lifting.

2. a kind of seat according to claim 1/dual-purpose type office/home computer table of standing, it is characterized in that: the push-pull device at fixed of described push-and-pull screw mandrel comprises reducing motor, driving wheel, driven pulley, nut sleeve, plane bearing; Nut sleeve matches with wire rod thread as bracing frame; The interior ring of nut sleeve outer wall and plane bearing fixes, and the outer shroud of plane bearing is installed on the support; Driven pulley is fixed in the external wall of upper portion of nut sleeve, and reducing motor is installed on the support, and driving wheel is fixed in the rotating shaft of reducing motor, driving wheel and driven pulley engaged transmission or belt transmission; The table support is provided with the circular hole that wears screw mandrel, is provided with a protruding wall in the hole, correspondingly is provided with guide groove with matching on screw mandrel.

3. a kind of seat according to claim 2/dual-purpose type office/home computer table of standing, it is characterized in that: the push-pull device at fixed of described push-and-pull screw mandrel also comprises control circuit board and the switchboard that is used to control the reducing motor forward and backward; Control circuit board, switchboard are contained in respectively on the support; Be provided with the computer programming control chip in the control circuit board; At least be provided with on the switchboard button, rising operating key, the operating key that descends are set, stop operating key.

4. a kind of seat according to claim 1/dual-purpose type office/home computer table of standing is characterized in that: described table support also is connected with the socket of being convenient to insert power supply, and the input of socket is connected with mains power socket.

5. a kind of seat according to claim 1/dual-purpose type office/home computer table of standing, it is characterized in that: the described bracing frame of being made up of screw mandrel or shearing lever also overlaps an extension sleeve outward, the upper end of extension sleeve and the bottom of desktop fix, and the bottom of extension sleeve fixes with the top of table support.

6. a kind of seat according to claim 5/dual-purpose type office/home computer table of standing is characterized in that: described extension sleeve is interior folded formula telescopic or flat folded formula telescopic.

7. a kind of seat according to claim 1/dual-purpose type office/home computer table of standing, it is characterized in that: also be provided with an auxiliary support bar between described desktop rear portion and the table support, the upper end of auxiliary support bar and the bottom of desktop fix, the bottom of auxiliary support bar socket-connects with the table support, and its socket place is provided with the locked instrument that is contained on the support.

8. a kind of seat according to claim 1/dual-purpose type office/home computer table of standing is characterized in that: the push-pull device at fixed of described push-and-pull screw mandrel comprise worm gear and with the worm screw of worm wheel, worm screw is vertical equity by bearing and is installed on the support; The front portion of worm screw is provided with can spacing or mobilizable rocking handle, or is provided with the transmission mechanism that is driven by reducing motor; Worm gear by plane bearing be installed in the worm screw mated position the table support on; The worm gear endoporus is provided with the screw thread that can match with screw mandrel; Wire rod thread is set in the worm gear endoporus ordinatedly; The table support is provided with the circular hole that wears screw mandrel, is provided with a protruding wall in the hole, correspondingly is provided with guide groove with matching on screw mandrel.

9. a kind of seat according to claim 1/dual-purpose type office/home computer table of standing is characterized in that: the push-pull device at fixed that lever is sheared in described push-and-pull comprises a screw rod and the set square that can move forward and backward along screw rod; Screw rod is vertical equity by bearing and is installed on the support, and the front portion of screw rod is provided with rocking handle; The front and rear part of set square respectively is provided with a nut, and nut thread is matched with on the screw rod; Described shearing lever is formed with some the 2nd U type bars that are in the rear portion by being in anterior some U type bars, the bottom of one joint U type rod member, the end of the one U type bar is articulated with a table support, each saves the upper end of a U type bar and last one bottom of saving U type bar of corresponding the 2nd U type bar is articulated, and the upper end and the desktop rear portion of pushing up a joint the one U type bar most are articulated; The end of the 2nd U type bar bottom and the set square of one joint U type rod member are articulated, and each upper end of saving the 2nd U type bar is articulated with the bottom that last one of a corresponding U type bar saves U type bar, pushes up a upper end and a front part of desk-top that saves the 2nd U type bar most and is articulated; The one U type bar intersects with corresponding the 2nd U type bar middle part and is articulated; The corresponding articulated section of both sides also can an affixed cross bar.

10. a kind of seat according to claim 1/dual-purpose type office/home computer table of standing is characterized in that: described hydraulic lift comprises the magnetic valve of hydraulic cylinder and the oil-feed of control hydraulic cylinder, and the piston rod end and the desktop of hydraulic cylinder fix.