CN112998406A

CN112998406A - Single-column double-rotation multifunctional computer desk

Info

Publication number: CN112998406A
Application number: CN202110375644.9A
Authority: CN
Inventors: 盛子望; 盛同飞; 于立明
Original assignee: Individual
Current assignee: Individual
Priority date: 2021-03-30
Filing date: 2021-03-30
Publication date: 2021-06-22

Abstract

The application provides a single-upright-column double-rotation multifunctional computer desk, the lower end of a single upright column is horizontally connected with a bedside base in a rotating mode, a vertical moving pair is arranged at the near end of a desk plate and is connected with the upright column in a lifting and floating mode, a transverse rotating shaft is arranged on the inner side of the vertical moving pair, and a transverse shaft sleeve and the transverse rotating shaft are arranged below the desk plate to form a longitudinal rotating pair, so that the single-upright-column double-rotation computer desk is formed; the desk plate can be stored on the top of the head by exceeding the height of the upright column, does not occupy the activity space, and is particularly suitable for sickrooms, single dormitories and small-family type family home office; in addition, higher stand and the mode of accomodating at the top of the head can also create more service functions, such as medical bit infusion couple (at home hat rack), the illumination of top of the head, computer (cell-phone) charge, computer forced air cooling (hold cool fan concurrently) etc. and the practicality is stronger.

Description

Single-column double-rotation multifunctional computer desk

Technical Field

The present invention relates to a desk, and more particularly, to a multifunctional computer desk which can be used in a multi-posture manner on a bed, beside a bed, or under a bed, and can be stored above the head of a user.

Background

In life, except for special writing and office places such as offices, classrooms and study rooms, standard desks are not convenient to place in other places, however, people often need to use computers or other intelligent digital equipment in places such as bedside (including sickbeds), living rooms, balconies or waiting (airplane) halls, and some bed desks and bedside desks are designed and developed for this reason, but many defects still exist.

The existing general small table boards in hospital wards are usually two, one is a flat table which is put on a bed fence, nursing staff are required to move away during storage, the other type can be folded and stored at one end of a hospital bed, and the folding type is relatively convenient, but the two small table boards can only be used on the bed, so that the fatigue of legs of a patient and the extrusion of the abdomen are caused.

The household bedside tables (including floor type) widely sold in the market at present are relatively more abundant, some household bedside tables can be rotated to the bedside to meet the requirements of multiple postures of use on a bed, the bedside and even under the bed, the long-term use fatigue of users is improved, but the problems of insufficient functions, inconvenient storage, influence on living and the like still exist, the research on the reasons finds that the traditional bedside tables are all in a table top and table leg structure, the table legs of some products are designed into a telescopic structure and can adjust the height of the table top within a certain range, but under the restriction of traditional inertia thinking, the table legs are not higher than the table top, so that the adjustment height of the table top is limited, the lift range of the table top installed at the bedside is generally not more than 300 mm, the lift range of the table top installed in a floor type is not more than 500 mm, the maximum height of the table top is not more than 1300 mm and is far lower than the height of an adult, and as, for example, the desk is inconvenient to use in a hospital ward, and has the problems of occupying space, inconvenient living and the like when being used at home, and in addition, the existing bedside desk is lack of a lighting device, other power supplies and electric appliances, and is difficult to meet the requirements of the current home office work mainly using a computer.

Therefore, how to provide a multifunctional computer desk (lighting and the like) which can be adjusted in direction (used in multiple postures to relieve physical fatigue) and can be stored skillfully (occupying less space) is a problem to be solved by the technical personnel in the field.

Disclosure of Invention

In view of the above deficiencies of the prior art, an object of the present application is to provide a single-column dual-rotation multifunctional computer desk, which can establish multiple body posture (standing, sitting, lying) usage modes at the bedside, under the bed and on the bed, and can also provide more usage functions such as illumination, computer air cooling, charging, infusion hook (hanging clothes and hat at home), and unique head top storage function, thereby effectively solving the usage limitation in a ward and bringing more convenience for office use at home; the floor type structure can be suitable for public places such as airports, stations, coffee houses and the like, and meets the demand of people from time to time.

In order to realize above-mentioned purpose and other relevant mesh, the application provides a two gyration multifunctional computer tables of single-column, a serial communication port, the desk includes table, stand and base, and the stand lower extreme and pedestal connection, stand top height are greater than and write the desktop height, and the table near-end is equipped with first vertical mount pad, and first vertical mount pad constitutes vertical movement pair with stand cross section clearance fit, and the table goes up and down to float through first vertical mount pad and stand to be connected, be equipped with lifting position locking mechanism on the vertical movement pair. Different from the limitation that the height of the telescopic table legs is adjusted in the prior art (the top ends of the table legs are always positioned below the table plate, and the maximum height of the table top does not exceed the top of the table), the structure of the rigid upright post and the vertical moving pair has the advantages of large height adjusting range, good structural rigidity, lower manufacturing cost, wider application and the like, when the height of the upright post is larger than the sitting height or the height of a user, the top of the head can be stored, the living space is not occupied at all, and the special environmental requirements of hospital wards and the like can be met; the lifting and rotating structure along the single upright post (in some embodiments, the first vertical mounting seat can have the functions of a vertical moving pair and a horizontal rotating pair) is also beneficial to moving the table plate to the bedside or out of the bed for use, so that the table plate can be used in a sitting posture at the bedside, a sitting posture under the bed or a standing posture, and the body fatigue caused by using the table plate in a single body posture is reduced; in addition, the higher upright post and the head top storage mode can also create more using functions, such as medical infusion hooks (hanging clothes and hats at home), head top office lighting (also used as a bedside lighting lamp) and desktop computer air cooling (also used as a cool electric fan), have stronger practicability, and are particularly suitable for wards, single-body dormitories and small-family home office; the floor type multifunctional computer desk provided with the storage battery can meet the requirement of using intelligent electrical appliances in public places such as airports, stations, coffee shops and the like.

The height of the writing desk top refers to the general height of the desk top when a user uses the desk plate to perform writing activities in a sitting posture, namely the height of the desk top of a traditional desk, and for adults, the height is generally 67 to 76 centimeters; for minor people such as primary and middle school students, the height of the desk is generally 49 to 67 centimeters, so that the desk is suitable for computer desks for minor people in different age stages, the height of the corresponding upright posts is larger than that of a writing desk top of a user in the age stage, and when the desk board is lifted up and down, the upright posts are fixed relative to the base. In other words, the height of the top end of the upright post is greater than the height of the writing desk top, which means that the height of the desk top when the desk plate is lifted to the highest position of the top end of the upright post is greater than the height of the desk top when a user normally writes in a sitting posture, and preferably, the height of the desk top when the desk plate is lifted to the top end of the upright post is greater than the height of the top of the head of the user in the sitting posture, so that the desk top can.

The vertical sliding pair comprises but is not limited to a vertical sliding sleeve and a vertical sliding block, the vertical sliding sleeve is similar to a guide pillar and guide sleeve structure, and the vertical sliding sleeve can also be used as a horizontal rotating pair when used for a circular upright post; the vertical sliding block is suitable for the upright post with the T-shaped groove on the inner side, and the vertical sliding block cannot horizontally rotate. The 'clearance fit between the vertical mounting seat and the cross section of the upright column' comprises but is not limited to various forms such as clearance fit between the inner cavity of the vertical sliding sleeve and the appearance of the upright column and clearance fit between the appearance of the vertical sliding block and the inner cavity of the T-shaped groove, and the like, and the 'cross section' comprises complete cross section fit (such as a guide column and guide sleeve structure) and partial cross section fit (such as a T-shaped groove structure).

For the vertical sliding sleeve, the lifting position locking mechanism comprises but is not limited to a plurality of forms such as a radial set screw, a tangential set screw (a vertical slot is arranged on the vertical sliding sleeve, and a locking screw is arranged on the vertical slot), a pipe hoop locking (similar to a bicycle saddle pipe clamp structure) and the like; for the vertical sliding block, the lifting position locking mechanism firstly pushes the cross shaft nut to lock, and the locking mode is similar to that of a T-shaped bolt.

Orientation definition: the orientation is defined from the perspective of a user, when the desk board is in a horizontal writing state, the front-back direction of the user is called longitudinal direction, the longitudinal movement is called front-back translation, the side of the desk board close to the user is called back, and the side of the desk board far away from the user is called front; the horizontal direction vertical to the longitudinal direction is called transverse direction, the horizontal movement is called left-right translation, the side of the table plate, which is positioned at the left hand of the user, is called the left side of the table plate, and the side of the table plate, which is positioned at the right hand of the user, is called the right side of the table plate; the rotation around the vertical upright is called horizontal rotation, and the rotation around the transverse rotating shaft is called longitudinal overturning; the side of the table board close to the upright post is called a near end or an inner side, the side of the table board far away from the upright post is called a far end or an outer side, the far and near ends (namely, the inner side and the outer side) of the vertical mounting seat are defined to be consistent with the upright post, the far and near ends (namely, the inner side and the outer side) of other transverse structural members (such as a transverse rotating shaft, a transverse mounting seat, a landing base and the like) are defined to be consistent with the table board, for example, one end of the table board close to the upright post is called a near end, and one end; one side of the upright post and the vertical installation seat close to the table plate is called as the inner side, and one side of the upright post and the vertical installation seat far away from the table plate is called as the outer side.

In view of different installation environments, the product is divided into a left-hand installation mode and a right-hand installation mode, when the upright post is positioned on the left side of the desk board (left-hand installation), the left sides of the desk board and the transverse rotating shaft are called as near ends, and the right sides of the desk board and the transverse rotating shaft are called as far ends; the right sides of the upright post and the vertical mounting seat are called inner sides, and the left sides of the upright post and the vertical mounting seat are called outer sides; when the upright post is positioned at the right side of the desk plate (right-hand installation), the right sides of the desk plate and the transverse rotating shaft are called near ends, and the left sides of the desk plate and the transverse rotating shaft are called far ends; the left sides of the upright post and the vertical mounting seat are called as inner sides, and the right sides of the upright post and the vertical mounting seat are called as outer sides; for convenience of description, the following description and examples are made with the stand on the left side of the desk (left-hand installation) unless otherwise noted.

The terms "or," "or," and/or "as used herein are to be construed as being inclusive or meaning any one or any combination. Thus, "A, B or C", "A, B or C" and "A, B and/or C" mean "any of the following: a; b; c; a and B; a and C; b and C; A. b and C ".

As used herein, the term "tip" includes a top end surface, a top portion above and/or adjacent to the tip, and like terms also include "lower end," "front," "back," "left side," "right side," "proximal," "distal," and the like, all of which are intended to be inclusive unless specifically indicated otherwise.

The base is a structural body for connecting and supporting the lower end of the upright post, the base can be fixedly connected to the bedside (chair side, sofa side, the same below) and can also fall to the ground, if the lower end of the upright post is directly and fixedly connected with the bedside (welded or riveted to the iron stand bedside), a second vertical mounting seat is not needed at the moment, the bedside frame plays a role of a bedside base, and similarly, if the upright post is directly inserted into the ground (floor slab), the ground becomes a floor base. Preferably the bedside base is

Character form or opening facing downwards

The bed frame is in a character shape and is provided with a set screw, so that the bed frame can be conveniently and quickly arranged on the bed frame; if the floor type base is selected, lockable wheels are preferably arranged below the floor type base, so that the floor type base is convenient to move, rotate and lock, and a horizontal rotating pair is not needed.

The "fixed connection" includes, but is not limited to, non-detachable connections such as welding, riveting and the like, or connections such as snap springs, bayonet locks and the like which require tools to be detached, and the "floating connection" refers to a connection mode in which two components are connected through a sliding pair and/or a rotating pair, and a locking structure of the floating connection can be generally loosened and loosened by hands, such as nuts or screws with handles.

In some embodiments of the present application, the lower end of the column is connected to the base through a second vertical mounting seat, the second vertical mounting seat is in clearance fit with the radial direction of the column to form a horizontal revolute pair, the column is in rotary floating connection with the base through the second vertical mounting seat, and a horizontal rotary position locking mechanism is arranged on the horizontal revolute pair. When base fixed connection is at the bedside, if "first vertical mount pad" only has vertical removal vice function and does not have horizontal revolute pair function (for example T-slot adds built-in vertical slider), need "the vertical mount pad of second" this moment to undertake horizontal revolute pair function, the vertical mount pad of second and base fixed connection.

The horizontal revolute pair comprises but is not limited to two structures of a vertical counter bore and a vertical boss, the radial clearance fit of the vertical mounting seat and the upright column comprises but is not limited to the clearance fit of the inner diameter of the vertical counter bore and the outer diameter of the upright column and the clearance fit of the outer diameter of the vertical boss and the inner diameter of the tubular upright column, and particularly, the horizontal revolution angle of the upright column is generally not more than 360 degrees, and the vertical movement which is not more than one thread pitch can be synchronously generated due to the corresponding threaded connection, so that the threaded fit of the vertical axis can be regarded as a special case of the horizontal revolute pair, namely, the vertical threaded hole can be regarded as the vertical counter bore, and at the moment, the lower; the vertical stud can be regarded as a vertical boss, and the lower end of the upright post is provided with a threaded hole matched with the upright post.

Another transition ring (such as a multi-petal embedded locking nut) can be inserted between the inner cavity of the vertical counter bore and the stand column, the transition ring is connected with the top of the vertical counter bore (including threaded connection), the inner diameter of the transition ring and the outer diameter of the stand column are in clearance fit to form a horizontal revolute pair, and at the moment, the transition ring can be regarded as a part of the vertical counter bore. The clearance fit between the inner diameter of the vertical counter bore and the outer diameter of the upright column comprises but is not limited to various fit states such as the clearance fit between the circular inner surface of the vertical counter bore and the circular outer surface of the upright column, the clearance fit between the circular inner surface of the vertical counter bore and the external circle of the non-circular outer surface of the upright column, the clearance fit between the internal circle of the non-circular inner surface of the vertical counter bore and the circular outer surface of the upright column and the like, and at.

The clearance fit between the outer diameter of the vertical boss and the inner diameter of the tubular stand column comprises but is not limited to various clearance fit states such as the clearance fit between the vertical boss with the circular cross section and the circular inner surface of the tubular stand column, the clearance fit between the vertical boss with the circular cross section and the non-circular inner surface of the tubular stand column, the clearance fit between the circumscribed circle of the vertical boss with the non-circular cross section and the circular inner surface of the tubular stand column, and the like, and at the moment, the vertical boss and.

For the vertical counter bore type horizontal rotating pair, the horizontal rotation position locking mechanism comprises but is not limited to a plurality of forms such as a radial set screw, a tangential set screw (a vertical groove is formed in a vertical counter bore), a pipe clamp locking (similar to a bicycle saddle pipe clamp structure, and a pipe clamp is arranged on the vertical counter bore), and the like, preferably, a locking nut (used for clamping horizontal rotation between the upright post and the vertical counter bore) is arranged at the top end of the vertical counter bore, so that the vertical counter bore type horizontal rotating pair has the advantages of attractive appearance and convenience in operation, and is particularly suitable for locking a round (including a non-complete round, such as a C-shaped; for the vertical boss type horizontal rotating pair, the horizontal rotation position locking mechanism comprises but is not limited to radial set screws, pipe hoop locking (the pipe clamp is positioned at the lower end of the side grooved tubular upright post) and the like in various forms, and nut locking (a bolt type vertical boss) is preferably adopted.

In some embodiments of this application, the stand lower extreme passes through vertical counter bore and pedestal connection, and vertical counter bore top is equipped with the screw thread and disposes lock nut, has a plurality of rosettes that distribute along circumference and insert vertical counter bore top below the lock nut, rosettes inscription circle diameter and stand external circle diameter clearance fit constitute horizontal revolute pair, and the rosettes excircle is the conical surface and/or circles in the vertical counter bore top is the conical surface, thereby the conical surface is used for inwards extrudeing the rosettes that moves downwards locking stand. The rosette excircle is the conical surface, circle in the vertical counter bore top is the cylinder (the rosette external cone face maximum diameter is greater than the circle diameter in the vertical counter bore this moment), perhaps the rosette excircle is the cylinder, circle in the vertical counter bore top is the conical surface (the rosette excircle diameter is greater than vertical counter bore inner cone face minimum diameter this moment), can all realize locking effect, it is unanimous that the circular is conical surface and tapering in rosette excircle and the vertical counter bore top to be preferred, when screwing up the nut, the rosette moves down in step and receives vertical counter bore inner cone face even extrusion, the rosette after the deformation is bigger with stand area of contact, the locking effect is better.

In some embodiments of the present application, a transverse rotating shaft is arranged on the inner side of the first vertical mounting seat, a transverse mounting seat is arranged below the table plate or on the side of the table plate, the transverse mounting seat and the transverse rotating shaft are in clearance fit in the radial direction to form a longitudinal rotating pair, the table plate is connected with the first vertical mounting seat in a turnover floating mode through the transverse mounting seat, and a longitudinal turnover position locking mechanism is arranged on the longitudinal rotating pair. The transverse mounting seat is convenient for the table plate to longitudinally turn over, the angle of the screen of the intelligent electrical appliance is changed, so that a user can use and operate various body postures such as sitting, leaning, lying and the like, and in addition, the table plate can be adjusted in any direction by the aid of lifting movement and horizontal rotation.

The transverse shaft sleeve and the transverse rotating shaft are typical structures of the longitudinal rotating pair, the radial clearance fit of the transverse mounting seat and the transverse rotating shaft is the clearance fit of the inner diameter of the transverse shaft sleeve and the outer diameter of the transverse rotating shaft, particularly, the axial transverse movement which is not more than one thread pitch can be synchronously generated due to the fact that the overturning angle of the table plate is not more than 360 degrees and corresponds to the threaded connection, so that the threaded fit of the transverse axis can be regarded as a special case of the longitudinal rotating pair, namely, the transverse stud can be regarded as the transverse rotating shaft, and the near end of the table plate is provided with a transverse threaded hole matched with the transverse threaded hole; or the inner side of the first vertical mounting seat is provided with a transverse threaded hole, and the near end of the table plate is provided with a transverse stud matched with the transverse threaded hole.

The longitudinal turning position locking mechanism arranged on the longitudinal revolute pair comprises but is not limited to a radial set screw, a tangential set screw, a pipe hoop and other forms, and preferably, the far end and/or the near end of the transverse revolute shaft is/are provided with threads and a locking nut.

In summary, the "vertical sliding pair" refers to a sliding pair vertically lifting up and down along the axis of the upright column, "horizontal rotating pair" refers to a rotating pair horizontally rotating around the axis of the upright column, and "longitudinal rotating pair" refers to a rotating pair longitudinally overturning around the axis of the transverse rotating shaft. In particular, considering that the angle of horizontal rotation and longitudinal turning of the product described in the present application is generally not more than 360 degrees, the axial movement of not more than one thread pitch can be generated while the product is rotated, and the axial movement can be ignored, so that the threaded connection can be regarded as a special "revolute pair", and the threaded connection has the advantages of convenient adjustment and quick locking. In some embodiments, the vertical sliding pair can be combined with the function of a horizontal rotating pair, and in some embodiments, the longitudinal sliding pair can be combined with the function of a transverse sliding pair.

In some embodiments of this application, the stand inboard is equipped with vertical T-slot, the vertical slider in the vertical T-slot is placed in for first vertical mount pad in, and vertical slider inboard is equipped with transverse rotating shaft, be equipped with below the table with transverse rotating shaft assorted horizontal axle sleeve, the internal diameter of horizontal axle sleeve constitutes vertical revolute pair with transverse rotating shaft's external diameter clearance fit, and the table is floated through horizontal axle sleeve and vertical slider upset and is connected, be equipped with vertical upset position locking mechanical system between horizontal axle sleeve and the transverse rotating shaft. The structure is beneficial to the locking of a vertical sliding pair (a vertical sliding block) (similar to a nut for locking a T-shaped bolt).

The T-shaped groove is a broad concept, namely, the T-shaped groove comprises a T-shaped groove structure formed on a traditional narrow thick plate or an aluminum profile, and also comprises a C-shaped pipe with an opening on the inner side, a slotted square pipe or other slotted special pipes, in other words, the T-shaped groove is a pipe or a groove with the width dimension of an inner cavity continuously extending along the axial direction larger than the width dimension of the opening, in practical application, more C-shaped pipes with reinforced inner parts are adopted, the C-shaped pipes are convenient to be matched with vertical counter bores to form a horizontal revolute pair, and the C-shaped tubular stand column is convenient for leading a power line to the inside, so that the appearance of a product is improved, and.

Preferably, the table is divided into an upper panel and a bottom cover, the transverse shaft sleeve is also divided into an upper semicircle and a lower semicircle, the upper semicircle is positioned below the upper panel, the lower semicircle is positioned above the bottom cover, the transverse rotating shaft is buckled inside, and the transverse rotating shaft is still considered to be positioned below the table (namely the upper panel), so that the structural appearance is neat, and the injection mold can be simplified. The transverse rotating shaft penetrating through the lower surface of the table plate is beneficial to increasing the rigidity of the table plate, and compared with a radial set screw (a mainstream product in the current market, poor appearance and easy leg collision) on the bottom surface of the table plate, the locking nut positioned at the far end of the transverse rotating shaft is easier to operate.

In some embodiments of the present application, the near end of the transverse shaft sleeve is provided with a plurality of pairs of near end protrusions which are continuously distributed along the circumferential direction, wherein the side edges of one or more pairs of near end protrusions are matched with the openings of the vertical T-shaped grooves of the upright posts to form a vertical moving pair, the transverse rotating shaft penetrates through the lower surface of the table plate, and the far end of the transverse rotating shaft is provided with threads and is provided with nuts. The advantage of this embodiment is just can realize two kinds regulation and locking of lift and upset with the help of a nut of distal end, and convenient operation, the cost is lower.

In some embodiments of the present application, the distal end of the table is provided with a folding leg, and the folding leg is further provided with a retractable leg and/or a cross bar that can move vertically (or move laterally after folding). The folding table legs can increase the rigidity of the table plate supported by the single-upright-column cantilever, and the telescopic supporting legs are used for adjusting the heights of the supporting legs; the better is that the supporting legs are positioned on the upper surface of the desk board after being folded, at the moment, the vertical extension and the horizontal extension are changed into the horizontal extension and can be used for clamping the computer, and the better is that the extension and the horizontal rods which can move horizontally and independently are also arranged on the extension and the supporting legs so as to adjust the clamping space in a larger range; when writing, the desk plate is longitudinally turned over by 180 degrees, the desk plate is effectively supported by the folding desk legs, and the smooth bottom cover is used as the desktop.

In some embodiments of the present application, an electronic lock is further disposed on the top end of the upright post, and a locking mechanism is disposed between the electronic lock and the first vertical mounting seat. Is convenient for the digital management of hospitals or other public places.

In some embodiments of the present application, the floor base includes a front transverse support and a rear transverse support, and a rigid seat plate connecting the front transverse support and the rear transverse support, the lower end of the upright post is connected with the rigid seat plate, a transverse T-shaped groove is arranged below the transverse support, a transverse sliding block is arranged in the transverse T-shaped groove, and a threaded hole or a stud is arranged below the transverse sliding block and used for connecting the rigid seat plate with a caster with a threaded connection at the top. The transverse support with the transverse T-shaped groove arranged below is adopted to facilitate the installation of the rigid seat board and the caster, and the rigid seat board is also beneficial to connecting the lower end of the upright post.

In some embodiments of the present application, the cross section of the transverse support is the same as the cross section of the upright column in structural size, plug-in type plugs are arranged at two ends of the transverse support, a connected transverse sliding block inserted into the transverse T-shaped groove is arranged at the inner end of each plug, and a threaded hole or a stud is arranged below the connected transverse sliding block. The transverse bracket consistent with the cross section of the upright column is beneficial to the interchange of the production process and saves the investment of a mould and the loss of a stub bar; the blanking cover not only can improve the product appearance, conveniently connects the truckle with the disjunctor horizontal slider of blanking cover, and truckle lock nut locks the blanking cover at horizontal support end again when fixed truckle to the blanking cover drops.

In some embodiments of the present application, the lower end of the vertical counter bore is fixedly connected to the rigid seat plate of the floor-standing base, and the C-shaped column having the same structural dimension as the cross section of the transverse bracket is conveniently connected to the vertical counter bore. Preferably, reinforcing ribs are arranged in the C-shaped upright post and the transverse support, and independent wire channels are additionally arranged outside the T-shaped grooves. Preferably, the lower end of the upright post is provided with an electric plug which is matched with an electric socket at the bottom of the vertical counter bore, so that the upright post is convenient to disassemble, transport and assemble by a user.

In some embodiments of the present application, a rechargeable battery is disposed on the floor-type base, a power cord is disposed in the tubular stand column, and a lighting lamp is disposed at the top end of the stand column, electrically connected to the battery, and provided with a switch. When the computer desk with the floor type base is moved to a place without a power supply (such as a terrace, a courtyard and the like), the storage battery on the base can conveniently provide illumination and charge the computer.

In some embodiments of the present application, the lower portion of the upright post connected to the floor type base is further provided with a third vertical mounting seat, the inner diameter of the third vertical mounting seat is in clearance fit with the diameter of the outer circle of the upright post to form a vertical sliding pair and a horizontal rotating pair, a stool is fixed on the inner side of the third vertical mounting seat, and the far end of the stool is provided with a folding leg. The floor type computer desk with the stool is more convenient to use.

To sum up, be different from the limitation that prior art adopted flexible table leg height-adjusting, the structure that the rigidity stand that this application adopted adds vertical moving pair has the height control scope big, but the characteristics of top of the head storage, single stand lower extreme and bedside base level gyration are connected (console mode base accessible truckle level gyration), the table near-end is equipped with vertical moving pair and is connected with the stand lift is floated, vertical moving pair inboard is equipped with horizontal pivot, be equipped with horizontal axle sleeve below the table and vertically overturn with vertical moving pair and float and be connected, thereby constitute single stand double-rotary desk, the product has that structural rigidity is good, lifting range is big, double-rotary, many gestures use advantages such as use, improve user experience, reduce the tired of the single health gesture use brought.

The beneficial effect of this application is: can be stored above the head without influencing the living activities of the user and the operation of medical care personnel; the use modes of up to 6 body postures reduce the use fatigue of the user; in addition, the higher upright post and the head top storage mode can also create more using functions, such as medical infusion hooks (hanging clothes and hats at home), head top office lighting (also used as a bedside lamp), desktop computer air cooling (also used as a cool electric fan), computer (mobile phone) charging and the like, have stronger practicability, and are particularly suitable for wards, single-body dormitories and small-family home offices; in addition, a uniform section bar and an inserting process are designed, so that the manufacturing is simple, the cost is reduced, and the packaging and transportation and the DIY assembly of a user are facilitated.

Drawings

FIG. 1 is a schematic view of a single-upright dual-revolving multi-purpose computer desk of the present application in use on a bed in a first embodiment.

Fig. 2 is a partially enlarged view of fig. 1.

Fig. 3 is a top view of fig. 1.

FIG. 4 is a top view of the single-post dual-revolving multi-purpose computer table of the present application in use at the bedside of the first embodiment.

FIG. 5 is a top view of the single upright dual pivoting multi-purpose computer table of the present application in use under a bed in a first embodiment.

FIG. 6 is a schematic view of the single-column dual-rotation multifunctional computer desk of the present application when the desk is stored overhead in the first embodiment.

FIG. 7 is a schematic view of the single-post dual-revolving multi-purpose computer desk of the present application in use on a bed of the second embodiment.

Fig. 8 is a partially enlarged view of fig. 7.

FIG. 9 is a schematic view of the single-post dual-revolving multi-function computer desk of the present application in use on a bed of the third embodiment.

Fig. 10 is a partially enlarged view of fig. 9.

FIG. 11 is a schematic view of the single-post dual-revolving multi-function computer desk of the present application in use on a bed of the fourth embodiment.

Fig. 12 is a top view of fig. 11.

Fig. 13 is a sectional view taken along line a-a of fig. 11.

Fig. 14 is a partially enlarged view of fig. 11.

FIG. 15 is a schematic view of the single-post dual-revolving multi-function computer desk of the present application in use in a fifth embodiment.

Fig. 16 is a partially enlarged view of fig. 15.

FIG. 17 is a schematic view of the single-post dual-turn multifunctional computer desk of the present application in use in a sixth embodiment.

Fig. 18 is a right side view of fig. 17.

Fig. 19 is a partially enlarged view of fig. 17.

Fig. 20 is a sectional view taken along line B-B of fig. 17.

Fig. 21 is an enlarged sectional view of the C-C section of fig. 17.

Fig. 22 is a top view of fig. 21.

In the figure, 1, a base, 2, a column, 3, a table board, 4, an integrated rod, 5, a bed frame, 6, a computer, 7, folding table legs and 8 are arranged;

11. the mounting bolt, 12 mounting bolts, 13 transverse supports, 14 rigid seat plates, 15 transverse sliding blocks, 16 blocking covers, 17 connecting transverse sliding blocks, 18 castors, 19 batteries;

21. the locking device comprises a vertical boss, 22, a second set screw, 23, a vertical counter bore, 24, a locking nut, 25, a vertical sliding sleeve, 26, a first set screw, 27, a locking pipe hoop, 28, a vertical sliding block and 29, a multi-petal body;

31. a transverse bolt, 32, a proximal nut, 33, a transverse rotating shaft, 34, a transverse shaft sleeve, 35, a distal nut, 36, a proximal protrusion;

41. the hook, 42, the electronic lock, 43, the illuminating lamp and 44, the alarm lamp;

71. hinged shaft, 72 telescopic legs, 73 cross bar;

81. a third vertical mounting seat, 82, a third set screw, 83, a stool leg.

Detailed Description

The following description of the embodiments of the present application is provided for illustrative purposes, and other advantages and capabilities of the present application will become apparent to those skilled in the art from the present disclosure. In the following description, reference is made to the accompanying drawings that describe several embodiments of the application. It is to be understood that other embodiments may be utilized and that mechanical, structural, electrical, and operational changes may be made without departing from the spirit and scope of the present disclosure. The following detailed description is not to be taken in a limiting sense, and the scope of embodiments of the present application is defined only by the claims of the issued patent. The terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the application.

FIG. 1 is a schematic view of a single-upright dual-revolving multi-purpose computer desk of the present application in use on a bed in a first embodiment. As shown in the figure, the application provides a computer desk suitable for hospital wards, the lower end of a tubular upright post 2 is provided with internal threads, the computer desk is directly and fixedly connected to a bed frame 5 by means of a mounting bolt 11, the bed frame plays a role of a bed side base at the moment, a vertical sliding sleeve 25 is arranged at the near end of a desk plate 3, the vertical sliding sleeve and the cross section of a round upright post form a vertical sliding pair in a clearance fit mode, meanwhile, a horizontal rotating pair is formed, the desk plate is connected to the upright post in a floating mode through the vertical sliding sleeve, a (radial) first set screw 26 is arranged on the vertical sliding sleeve, and the desk plate can be seated on a bed to use the desk plate after being lowered to a proper height and; the top of the upright post is provided with a hook 41 which can be used for hanging drip infusion in hospital wards and can also be used for hanging portable articles such as clothes, hats and the like, and the desk plate can be lifted to the top of the head for storage after use due to the fact that the height of the upright post is larger than the sitting height of a user, so that the desk plate is convenient for medical staff to operate; the top of the upright post is also provided with an electronic lock 42 for locking the table board, thereby facilitating ward management. The embodiment has the advantages of simple structure and low cost; the defects that a through hole with a specific size needs to be drilled in the bed frame in advance, the interchangeability is poor, and the bed frame is not suitable for personalized household installation.

Fig. 2 is a partially enlarged view of fig. 1. As shown in the figure, the connecting structure and locking mode (first set screw 26) of the vertical sliding sleeve 25 and the upright post 2 are more clearly shown; and the connection structure and the fixing mode of the column root and the bed frame 5 (mounting bolts 11)

Fig. 3 is a top view of fig. 1. As shown, the user sits on a bed and uses the table 3.

FIG. 4 is a top view of the single-post dual-revolving multi-purpose computer table of the present application in use at the bedside of the first embodiment. As shown in the figure, if the legs are curled in the bed to be tired, the first set screw 26 can be loosened, the table plate 3 can be horizontally rotated to be parallel to the bed frame 5, so that the table plate can be used by sitting at the bed, the two legs can be hung under the bed at the moment to relieve the waist and leg fatigue caused by long-time curling on the bed, and if the table plate is used in a ward, the table plate after side turning is convenient for accompanying personnel to have a meal together.

FIG. 5 is a top view of the single upright dual pivoting multi-purpose computer table of the present application in use under a bed in a first embodiment. As shown in the figure, the table plate 3 can be continuously rotated to the outside of the bed frame 5 when necessary, and a user can also sit on a chair under the bed to use the table plate, so that the diversified body posture is favorable for relieving the fatigue of the user.

FIG. 6 is a schematic view of the single-column dual-rotation multifunctional computer desk of the present application when the desk is stored overhead in the first embodiment. As shown in the figure, stand 2 highly is greater than the user and sits highly, when not using, rises user's overhead top and locking with table 3, does not occupy the activity space, makes things convenient for ward nursing operation, simultaneously, owing to accomodate the distance closely just, need not the help of accompanying person, the patient can use or accomodate the table by autonomous operation. The top of the upright post is also provided with an electronic lock 42 which is locked with the top of the vertical sliding sleeve 25, so that the digital management of the hospital timing period is facilitated.

FIG. 7 is a schematic view of the single-post dual-revolving multi-purpose computer desk of the present application in use on a bed of the second embodiment. As shown in the figure, the application provides another computer desk suitable for hospital wards, a vertical boss 21 is directly and fixedly connected to a bed frame 5 through a mounting bolt 11, the bed frame plays a role of a bed frame base at the moment, the lower end of a square tubular stand column 2 is connected to the bed frame through the vertical boss in a floating mode, an inner circle of a square tube is in clearance fit with the outer diameter of the vertical boss to form a horizontal rotating pair, a second set screw 22 is arranged at the lower end of the square tubular stand column, a vertical sliding sleeve 25 is arranged at the near end of a desk plate 3, the vertical sliding sleeve is in clearance fit with the cross section of the square stand column to form a vertical moving pair, the desk plate is connected to the stand column through the vertical sliding sleeve in a lifting and floating mode, a (tangential) first set screw 26 is arranged on the side edge of the vertical sliding sleeve with an opening in the outer; the top of the upright post is provided with a hook 41 which can be used for hanging intravenous drip infusion in hospitals and hanging portable articles such as clothes, hats and the like, and the desk board can be lifted to the top of the head for storage after use due to the fact that the height of the upright post is larger than the sitting height of a user, so that the desk board is convenient for medical staff to operate; the top of the upright post is also provided with an electronic lock 42 for locking the table board, thereby facilitating ward management. Compared with the first embodiment, the advantage of this embodiment is convenient dismantlement, and manual loosening second holding screw 22 just can be dismantled the table and move fast together with the stand is whole to medical personnel carry out special operation, in addition, the first holding screw of tangential has better locking effect than radial first holding screw.

Similar to the first embodiment, if the user curls the legs on the bed and is tired, the second set screw 22 can be loosened, the desk plate can be horizontally rotated to the bedside or outside the bed, the desk plate can be used by sitting at the bedside or under the bed, the height of the upright post is larger than the sitting height of the user, and when the user is not used, the desk plate is lifted above the top of the head of the user, so that the space is not occupied, and the professional care is facilitated.

Fig. 8 is a partially enlarged view of fig. 7. As shown in the figure, the connecting structure and the locking mode (the first set screw 26) of the vertical sliding sleeve 25 and the square tube upright post 2 are displayed more clearly; the connection structure and the locking mode (the second set screw 22) of the root of the upright post and the vertical boss 21, and the connection structure and the fixing mode (the mounting bolt 11) of the vertical boss and the bed frame 5.

FIG. 9 is a schematic view of the single-post dual-revolving multi-function computer desk of the present application in use on a bed of the third embodiment. As shown in the drawings, the application provides a computer desk suitable for being used in a single dormitory,

the character-shaped base 1 is fixed on the bed frame 5 through two mounting screws 12 which are longitudinally arranged below the character-shaped base, and the lower end of the round tube-shaped upright post 2 is weldedThe table is connected to the base, a vertical sliding sleeve 25 is arranged at the near end of the table 3, the vertical sliding sleeve and the cross section of the circular upright post are in clearance fit to form a vertical sliding pair and a horizontal rotating pair, the table is connected to the upright post in a floating mode through the vertical sliding sleeve, a groove is formed in the outer side of the vertical sliding sleeve, a locking pipe hoop 27 is arranged on the outer side of the vertical sliding sleeve, and the table can be used by sitting on a bed after being lowered to a proper height and locked by the locking pipe hoop; the top of the upright post is provided with an illuminating lamp 43 which is convenient for writing and illumination, and preferably, a power line of the illuminating lamp passes through the upright post tube, thereby improving the appearance and ensuring the electricity utilization safety; similarly, mouth-down

The same mounting effect is achieved with a font base (mounting screw on the outside).

Similar to the first embodiment, if the user curls his legs in the bed and is tired, the locking pipe hoop 27 can be released, the desk plate can be horizontally turned to the bedside and horizontally turned to the bedside or out of the bed, so that the user can sit at the bedside or under the bed to use the desk plate, the height of the upright post is larger than the sitting height of the user, when the user is not in use, the desk plate is lifted above the top of the head of the user, the living space is not occupied, and when the user sleeps, the desk plate can be turned to the outside of the bed to be used as a bedside table.

Fig. 10 is a partially enlarged view of fig. 9. As shown in the figure, the connecting structure and the locking mode (locking pipe hoop 27) of the vertical sliding sleeve 25 and the upright post 2 are more clearly shown; the root of the upright post is welded with the Contraband-shaped base 1; the connection structure and the fixing mode (mounting screws 12) of the base and the bed frame 5.

FIG. 11 is a schematic view of a single-post dual-turn multifunctional computer desk of the present application in use at the bedside of a fourth embodiment; fig. 12 is a top view of fig. 11. As shown, the present application provides another computer desk suitable for use in a single dormitory,

the font base 1 is fixed on the bed frame 5 through two mounting screws 12 that vertically arrange below it, and C font tubulose stand 2 lower extreme floats through vertical counter bore 23 and connects on the base, and the stand lower part disposes lock nut 24 forLocking horizontal rotation between the upright post and the vertical counter bore; the integration rod 4 provided with the hook 41 and the illuminating lamp 43 is inserted into the upright post 2; the near end of the table plate 3 is provided with a vertical sliding block 28, the vertical sliding block is in clearance fit with the cross section of the tubular stand column to form a vertical moving pair, and the table plate is connected to the stand column in a lifting and floating manner through the vertical sliding block; the far end of the desk plate is provided with a folding desk leg 7 which is hinged at the far end of the desk plate through a hinge shaft 71, the folding desk leg can increase the rigidity of the desk plate supported by the single-column cantilever, the folding desk leg is provided with a telescopic supporting leg 72 which is used for adjusting the height of the supporting leg, preferably, the supporting leg is positioned on the upper surface of the desk plate after being folded, at the moment, the vertical movement is changed into the transverse movement which can be used for clamping a computer, and preferably, the telescopic supporting leg is also provided with a transverse rod 73 which can transversely and independently move so as to adjust a clamping space in a; the vertical slider inboard is equipped with the horizontal pivot 33 that runs through below the table, horizontal pivot near-end and distal end all are equipped with the screw thread and dispose near-end nut 32 respectively (be used for locking vertical slider) and distal end nut 35 (be used for locking horizontal axle sleeve), the table is floated through the upset of horizontal axle sleeve 34 and is connected on vertical slider, dispose fan (not shown) on the table, conveniently give the computer heat dissipation, fall the table to suitable height and use the locking of near-end nut, adjust the table to suitable angle and just can sit and use this table in bed after the distal end nut locks, different table angles can satisfy the user and lean on the head of a bed or lie in bed and appreciate the video. In addition, this embodiment adopts vertical sliding sleeve as first vertical mount pad, compares in vertical sliding sleeve, and built-in vertical slider can not harm the stand surface at the lift in-process, and the locking mode of near-end nut is more firm simultaneously (similar to T bolt locking).

Similar to the third embodiment, if the legs are curled in the bed and tired, the locking nut 24 can be loosened, the connected conical multi-petal body 29 below the locking nut synchronously moves upwards under the action of the screw thread, so that the gap between the inner surface of the multi-petal body and the outer surface of the upright post is reduced after the conical surface from the top of the vertical counter bore is pressed, the table plate horizontally rotates to the bedside or the outside of the bed, then the locking nut is screwed, the connected conical multi-petal body below the locking nut synchronously moves downwards under the action of the screw thread, the multi-petal body inwards contracts and deforms under the action of the conical surface from the top of the vertical counter bore, so that the inner surface of the table plate and the outer surface of the upright post are locked and do not rotate any more, thus the table plate can be used by sitting at the bedside or under the bed, the height of the upright post is larger than the sitting height of a user, when the table plate is not used, the table plate is lifted above the top of, during sleeping, the table plate can be rotated to the outside of the bed to be used as a bedside table, the table plate can be lifted and turned for about 180 degrees (locked by the far-end nut 35), the table top faces downwards, and the electric fan (not shown) is positioned above the top of the head and can be used for a user to enjoy the cool.

Fig. 13 is a sectional view taken along line a-a of fig. 11. As shown in the figure, the first and second,

the C-shaped base 1 is fixed on the bed frame 5 through two mounting screws 12 longitudinally arranged below the base (the double mounting screws are fixedly connected more firmly), the lower end of the C-shaped tubular stand column 2 is connected on the base in a floating mode through a vertical counter bore 23, and a locking nut 24 is arranged at the upper end of the vertical counter bore and used for locking horizontal rotation between the stand column and the vertical counter bore; the inner side of the vertical sliding block is provided with a transverse rotating shaft 33, the table plate is connected to the vertical sliding block in a turnover and floating mode through a transverse shaft sleeve 34, and different table plate angles can meet the requirement that a user leans against a bed head or lies on the bed to enjoy videos; the desk plate is provided with a fan (not shown) to facilitate heat dissipation of a computer, preferably, the desk plate is divided into an upper panel and a bottom cover, the transverse shaft sleeve is also divided into an upper semicircle and a lower semicircle, the upper semicircle and the lower semicircle buckle the transverse rotating shaft inside, and the transverse rotating shaft is still regarded as being positioned below the desk plate (namely the upper panel), so that the structure is neat in appearance, and the injection mold can be simplified; in addition, the flat and smooth bottom cover can be turned over to serve as a writing desk top.

Fig. 14 is a partially enlarged view of fig. 11. As shown in the figure, the connection structure and locking manner of the vertical sliding block 28 and the T-shaped groove inside the upright post 2 are more clearly shown (the inside of the vertical sliding block is provided with a transverse rotating shaft, the near end of the transverse rotating shaft is provided with a thread and is provided with a near-end nut 32 for locking the vertical sliding block); a connecting structure between the transverse shaft sleeve 34 and the transverse rotating shaft 33; connecting structure and locking mode of column root and vertical counter bore 23(a connected multi-petal body 29 is arranged below the locking nut 24 and is distributed along the circumferential direction and inserted into the top of the vertical counter bore, a multi-petal body inner joint circle and a stand column outer joint circle are in clearance fit to form a horizontal revolute pair, the outer surface of the multi-petal body is a conical surface and is consistent with the conical surface taper of the inner surface of the top of the vertical counter bore) and a connecting structure and a fixing mode (mounting screws 12) of the base 1 and the bed frame 5, preferably

The inner side of the upper side of the character-shaped bedside base is provided with a downward vertical flange, and the vertical flange can be clamped at the inner side of the bedside frame to ensure that the bedside base cannot fall off.

FIG. 15 is a schematic view of the single-post dual-revolving multi-function computer desk of the present application in use in a fifth embodiment. As shown in the figure, the application provides a simple floor type computer desk suitable for public places (coffee houses, airports, stations and the like), the lower end of a square tubular stand column 2 is welded on a floor type base 1, casters 18 are arranged below the floor type base to facilitate translation and rotation of the computer desk, a vertical sliding sleeve 25 is arranged at the near end of a desk plate 3, a vertical moving pair is formed by the vertical sliding sleeve and the cross section of the square tubular stand column in a clearance fit mode, the desk plate is connected to the stand column in a lifting and floating mode through the vertical sliding sleeve, a (tangential) first set screw 26 is arranged on the vertical sliding sleeve, a transverse bolt 31 is arranged on the inner side of the vertical sliding sleeve, a transverse shaft sleeve 34 with a threaded hole and a near-end nut 32 are arranged at the near end of the desk plate, the computer desk plate is pushed to the edge of a seat or a sofa, the desk plate is lowered to a proper height and a proper angle and is, the floor type base is also provided with a rechargeable battery 19 and a power socket, so that power can be conveniently supplied to the intelligent electric appliance; the top end of the upright post is also provided with an electricity shortage alarm lamp 44 so as to remind a worker to move the computer desk to a charging position for charging in time.

Fig. 16 is a partially enlarged view of fig. 15. As shown in the figure, the connecting structure and locking mode (tangential first set screw 26) of the vertical sliding sleeve 25 and the upright post 2 are more clearly shown; the connection structure and locking mode (proximal nut 32) of the transverse bolt 31 and the transverse shaft sleeve 34 with internal threads.

FIG. 17 is a schematic view of a single-upright dual-turn multifunctional computer table of the present application in use in a sixth embodiment; fig. 18 is a right side view of fig. 17. As shown in the figures, the application provides a computer desk suitable for being used in public places, terraces and courtyards, a floor type base 1 of the computer desk comprises a front transverse support 13, a rear transverse support 13 and a rigid seat plate 14 connected with the front transverse support and the rear transverse support, the transverse supports and an upright post 2 are both of C-shaped tubular structures, the cross section of the transverse supports is consistent in size, reinforcing ribs are arranged in the C-shaped tubes, a T-shaped groove is formed in one side of each opening, the strength of the upright post and the strength of the transverse supports can be improved by the reinforcing ribs, an independent channel which is not influenced by a sliding block can be formed in the upper portions of the transverse supports and the outer; the opening of the transverse bracket faces downwards, a transverse sliding block 15 is arranged in the T-shaped groove, the rigid seat plate is connected with the transverse sliding block through a fastening screw to connect a front transverse bracket and a rear transverse bracket (the transverse sliding block is changed into a T-shaped screw to have the same locking effect by a nut), plug-in type blanking caps 16 are arranged at two ends of the transverse bracket, a conjoined transverse sliding block 17 inserted into the T-shaped groove below the transverse bracket is arranged at the inner ends of the blanking caps, a threaded hole is arranged on the conjoined transverse sliding block for connecting a caster 18, the nut is used for locking the caster, the blocking cover can be prevented from falling off, the lower end of the upright post is connected to the rigid seat plate in a floating mode through the vertical counter bore 23, the locking nut 24 is arranged on the lower portion of the upright post and used for locking horizontal rotation between the upright post and the vertical counter bore (horizontal rotation can be achieved through the rotating base at the moment, and the mounting structure of the vertical counter bore is used for being rapidly assembled and disassembled and is convenient for packaging transportation and self-service assembly of a user); the near end of the table plate is provided with a vertical sliding block 28, the vertical sliding block is in clearance fit with the cross section of the T-shaped groove on the inner side of the C-shaped tubular stand column to form a vertical moving pair, and the table plate is connected to the stand column in a lifting and floating manner through the vertical sliding block; the far end of the desk plate is provided with a folding desk leg 7 which is hinged at the far end of the desk plate through a hinge shaft 71, the folding desk leg can increase the rigidity of the desk plate supported by the single-column cantilever, the folding desk leg is provided with a telescopic supporting leg 72 which is used for adjusting the height of the supporting leg, preferably, the supporting leg is positioned on the upper surface of the desk plate after being folded, at the moment, the vertical telescopic movement is changed into the transverse telescopic movement and can be used for clamping a computer, and preferably, the telescopic supporting leg is also provided with a transverse rod 73 which can transversely and independently move so as to adjust a clamping space in a larger range, the desk plate is longitudinally overturned for 180 degrees during writing, the desk plate is effectively supported by; a transverse rotating shaft 33 penetrating through the lower surface of the table plate is arranged on the inner side of the vertical sliding block, a transverse shaft sleeve 34 is arranged on the lower surface of the table plate, a plurality of pairs of near-end bulges 36 which are continuously distributed along the circumferential direction are arranged at the near end of the transverse shaft sleeve, the side edges of the plurality of pairs of near-end bulges are matched with the openings of the vertical T-shaped grooves on the inner side of the upright posts to form a vertical moving pair (see fig. 21 and 22), a thread is arranged at the far end of the transverse rotating shaft and a far-end nut 35 is arranged, the height of the table plate can be adjusted in a lifting mode by slightly loosening the far; a multi-branch integrated rod 4 (one branch on the inner side is provided with a lighting lamp 43) is inserted into the top end of the upright column and is used as a hat and coat stand when not used as a computer desk; preferably, the lower end of the upright post is further provided with a third vertical mounting seat 81 (generally a vertical sliding sleeve which is also used as a horizontal revolute pair) locked by a third set screw 82, a stool 8 is fixed on the inner side of the third vertical mounting seat, a stool supporting leg 83 is arranged at the far end of the stool, the computer desk does not need an additional seat, the stool can be used anywhere in a terrace, a courtyard and the like, the desk board is adjusted to a proper height and a proper angle, and a far-end nut is used for locking, so that a computer or other intelligent electrical appliances can be used anytime and anywhere.

Fig. 19 is a partially enlarged view of fig. 17. As shown in the figure, the connection structure and the locking mode (locking nut 24) of the root part of the C-shaped tubular stand column 2 and the vertical counter bore 23 are more clearly shown; a connecting structure and a locking mode (a transverse sliding block 15 and a locking screw) of the rigid seat plate 14 and the transverse bracket 13; and the connection structure and the fixing mode (the conjoined transverse sliding block 17) of the transverse bracket and the plug cover 16 with the caster 18.

Fig. 20 is a sectional view taken along line B-B of fig. 17. As shown in the figure, the overlooking effect of the floor type base and the stool is displayed, the floor type base comprises a front transverse support 13, a rear transverse support 13 and a rigid seat plate 14 connected with the front transverse support and the rear transverse support, the transverse supports and the upright column 2 are of C-shaped tubular structures and have consistent cross section sizes, the openings of the transverse supports face downwards, transverse sliders 15 are arranged in T-shaped grooves, the rigid seat plate is connected with the transverse sliders through fastening screws so as to be connected with the front transverse support and the rear transverse support, plug-in type plugging covers 16 are arranged at two ends of the transverse supports, connected transverse sliders 17 inserted into the T-shaped grooves below the transverse supports are arranged at the inner ends of the plugging covers, threaded holes are formed in the connected transverse sliders and; the near end of the stool 8 horizontally rotates and vertically moves and is connected with the lower part of the upright post 2 through a third vertical mounting seat 81, and the stool rotates clockwise after a third set screw 82 is loosened, so that the position of the stool can be staggered with the desk plate 3, and a user can use the computer desk conveniently; when the folding stool is stored, the folding stool is horizontally rotated anticlockwise to the position shown in the figure (overlapped with the vertical projection of the table plate so as to reduce the storage space), the stool supporting legs 83 are folded inwards below the stool, meanwhile, the third locking screws are loosened, the height of the stool is reduced, the folding stool is convenient to insert into a bed, and the storage space is saved. In addition, figure 19 shows a top view of the folding table leg 7 and its telescopic legs and cross bars.

FIG. 21 is an enlarged cross-sectional view of C-C of FIG. 17; fig. 22 is a top view of fig. 21. As shown, the proximal end of the transverse sleeve 34 is provided with 12 pairs (24, one for every 15 degrees) of proximal protrusions 36 distributed continuously along the circumferential direction, wherein 4 pairs of near-end bulges are matched with the opening of the vertical T-shaped groove of the upright post 2 to form a vertical moving pair (the side surfaces of the near-end bulges are clamped on two vertical ribs which protrude inwards at the opening of the T-shaped groove), the distal end of the transverse shaft 33 is threaded and provided with a distal nut 35, which is slightly loosened (the proximal protrusion still limits the table to turn over), the height of the table plate can be adjusted in a lifting way, the nut at the far end is further loosened to enable the protrusion at the near end to be separated from the groove at the inner side of the upright post (the table plate can be clamped by the bias force of the table plate and cannot slide down), the angle of the table plate can be longitudinally turned and adjusted, therefore, the height and the angle of the desk plate can be adjusted simultaneously by only using one far-end nut, and the desk plate does not need to slide downwards when the height is adjusted or the angle is adjusted.

Preferably, the upper end and the lower end of the upright post are provided with an electric plug (or an electric socket) so that a user DIY can conveniently plug in an integrated rod with a lighting lamp and a base with a storage battery, and the split floor type computer desk is convenient to package and transport.

In summary, the single-upright double-rotation multifunctional computer desk provided by the application is different from the limitation that the telescopic upright is adopted to adjust the height in the prior art, such as the single-level telescopic upright has a small adjusting range, and the multi-level telescopic upright has the problems of high cost, poor rigidity and the like, the structure of the rigid upright and the vertical moving pair adopted by the application has the advantages of large height adjusting range, good structural rigidity, lower manufacturing cost, wider application and the like, when the height of the upright is larger than the sitting height or the height of a user, the head top storage can be realized, the living space is not occupied completely, and the special environmental requirements of hospital wards and the like can be met; if the intelligent lock system is added to the top of the upright post, controllable management can be provided in special environments such as hospitals, and the management cost is not increased; the lifting and rotating structure along the single upright column is also beneficial to moving the table plate to the bedside or outside the bed for use, so that the table plate can be used in a sitting posture on the bed, a sitting posture at the bedside, a sitting posture under the bed or a standing posture, and the body fatigue caused by using the table plate in a single body posture is reduced; in addition, the higher upright post and the head top storage mode can also create more using functions, such as medical infusion hooks (hanging clothes and hats at home), head top office lighting (also used as a bedside lighting lamp) and desktop computer air cooling (also used as a cool electric fan), have stronger practicability, and are particularly suitable for wards, single-body dormitories and small-family home office; the floor type multifunctional computer desk provided with the storage battery can meet the requirement of using intelligent electrical appliances in public places such as airports, stations, coffee shops and the like. In addition, a uniform section bar and an inserting process are designed, so that the manufacturing is simple, the cost is reduced, and the packaging and transportation and the DIY assembly of a user are facilitated.

Claims

1. The utility model provides a two multi-functional desk that turn around of single-column, its characterized in that, the desk includes table, stand and base, and the stand lower extreme is connected with the pedestal, and the stand top highly is greater than writes the desktop height, and the table near-end is equipped with first vertical mount pad, and first vertical mount pad constitutes vertical movement pair with stand cross section clearance fit, and the table goes up and down through first vertical mount pad and the stand is floated and is connected, be equipped with lifting position locking mechanism on the vertical movement pair.

2. The single-upright double-rotation multifunctional computer desk as claimed in claim 1, wherein the lower end of the upright is connected with the base through a second vertical mounting seat, the second vertical mounting seat and the upright form a horizontal rotation pair in a radial clearance fit, the upright is connected with the base through the second vertical mounting seat in a rotation floating manner, and a horizontal rotation position locking mechanism is arranged on the horizontal rotation pair.

3. The single-upright-column double-rotation multifunctional computer desk as claimed in claim 2, wherein the lower end of the upright column is connected with the base through a vertical counter bore, the top end of the vertical counter bore is provided with threads and is provided with a locking nut, a plurality of rosettes are circumferentially distributed and inserted into the top of the vertical counter bore, the diameters of inner circles of the rosettes and the diameters of outer circles of the upright column are in clearance fit to form a horizontal revolute pair, the outer circle of the rosettes is a conical surface and/or the inner circle of the top of the vertical counter bore is a conical surface, and the conical surface is used for inwards squeezing the downwardly moving rosettes.

4. The single-column double-rotation multifunctional computer desk as claimed in claim 1, wherein a transverse rotating shaft is provided inside the first vertical mounting seat, a transverse mounting seat is provided under or at a side edge of the desk board, the transverse mounting seat and the transverse rotating shaft are in radial clearance fit to form a longitudinal rotating pair, the desk board is connected with the first vertical mounting seat in a turning floating manner through the transverse mounting seat, and a longitudinal turning position locking mechanism is provided on the longitudinal rotating pair.

5. The single-column double-rotation multifunctional computer desk as claimed in claim 1, wherein a vertical T-shaped groove is formed inside the column, the first vertical mounting seat is a vertical sliding block arranged in the vertical T-shaped groove, a transverse rotating shaft is arranged inside the vertical sliding block, a transverse shaft sleeve matched with the transverse rotating shaft is arranged below the desk plate, the inner diameter of the transverse shaft sleeve is in clearance fit with the outer diameter of the transverse rotating shaft to form a longitudinal rotating pair, the desk plate is connected with the vertical sliding block in a turnover and floating mode through the transverse shaft sleeve, and a longitudinal turnover position locking mechanism is arranged between the transverse shaft sleeve and the transverse rotating shaft.

6. The single-column double-rotation multifunctional computer desk as claimed in claim 5, wherein the near end of the transverse shaft sleeve is provided with a plurality of pairs of near-end protrusions continuously distributed along the circumferential direction, wherein the side edges of one or more pairs of near-end protrusions are matched with the openings of the vertical T-shaped grooves of the upright columns to form a vertical moving pair, the transverse rotating shaft penetrates through the lower surface of the desk plate, and the far end of the transverse rotating shaft is provided with threads and is provided with nuts.

7. The single-column double-rotation multifunctional computer desk as claimed in claim 1, wherein the far end of the desk plate is provided with folding legs, and the folding legs are further provided with vertically movable telescopic legs and/or cross bars.

8. The single-column double-rotation multifunctional computer desk as claimed in claim 1, wherein an electronic lock is further provided on the top of the column, and a locking mechanism is provided between the electronic lock and the first vertical mounting seat.

9. The single-column dual-rotation multifunctional computer desk as claimed in claim 1, wherein the floor base comprises a front transverse support and a rear transverse support, and a rigid base plate connecting the front transverse support and the rear transverse support, the lower end of the column is connected with the rigid base plate, a transverse T-shaped groove is formed below the transverse support, a transverse sliding block is arranged in the transverse T-shaped groove, a threaded hole or a stud is formed below the transverse sliding block, and the threaded hole or the stud is used for connecting the rigid base plate with a caster with a threaded connecting piece at the top.

10. The single-column double-rotation multifunctional computer desk as claimed in claim 9, wherein the cross section of the transverse bracket has the same structural size as that of the cross section of the upright column, plug-in type caps are provided at both ends of the transverse bracket, a connected transverse slider inserted into the transverse T-shaped slot is provided at the inner end of each cap, and a threaded hole or a stud is provided below the connected transverse slider.

11. The single-column double-rotation multifunctional computer desk as claimed in claim 1, wherein the floor-type base is provided with a rechargeable battery, the tubular column is provided with a power cord inside, the top end of the column is provided with a lighting lamp, and the lighting lamp is electrically connected with the battery and provided with a switch.