CN214283852U - Portable height increasing rack and computer desk - Google Patents

Abstract

The utility model belongs to the technical field of office furniture, in particular to a portable heightening frame and a computer desk, wherein the portable heightening frame comprises a bearing plate and a base component, and the bearing plate is used for supporting a computer display; the base assembly comprises an upright column, a first magnetic part and a second magnetic part, the first magnetic part is arranged at the bottom of the upright column, the second magnetic part is arranged on the desktop of the computer desk, the top of the upright column is connected with the bottom of the bearing plate, and the opposite end surfaces of the first magnetic part and the second magnetic part are arranged in a manner of opposite magnetic poles; the number of the base assemblies is at least three groups, all the base assemblies are uniformly distributed at the bottom of the bearing plate, the display heightening frame is quickly disassembled and assembled by adopting a magnetic structure, the practicability of the heightening frame is effectively improved, and enterprise development is facilitated.

Description

Portable height increasing rack and computer desk

Technical Field

The utility model belongs to the technical field of office furniture, especially, relate to a portable increases frame and desk.

Background

The computer is a special electric appliance, and is different from a television and a sound box in that people need to operate in a close range all the time when using the computer, so that the computer has specific requirements on the placement height of the computer and the positions of a keyboard and a mouse, and common furniture mostly does not meet the conditions. In a colloquial way, a user can easily and pleasantly operate a computer table by matching a saddle, and the computer table improves the working efficiency.

The computer desk is formed by assembling and fixing a middle density board with four sides wrapped with plastic soft edges through screws. The medium density board has the characteristics of moderate weight, fire resistance, moisture resistance, acid and alkali resistance, static resistance and low price, and is very suitable for manufacturing computer desks. Some high-grade computer tables are made of pure wood and are expensive, and delicate consumers do not want to take out the extra money. The melamine paint on the surface of the computer desk is divided into a smooth surface and a frosted surface. The rough finish has good hand feeling, no skid and no reflection, has no water mark after being wiped by wet cloth, but has the price of three yuan and forty yuan.

Generally, the hanging lug mechanism can be arranged on the side wall of the computer desk in the prior art and used for hanging earphones or handbags and the like, so that convenience is brought to users, however, the traditional hanging lugs are arranged in a fixed state, when the traditional hanging lugs are in a non-use state, a passerby easily collides with the hanging lugs and then is injured, the hanging lugs are easily damaged, potential safety hazards exist, and the enterprise development is not facilitated.

In the prior art, a computer desk generally adopts a fixed display heightening frame, cannot be adapted to all use environments, and cannot be disassembled due to fixed arrangement, so that the practicability is influenced; sometimes the user can select not to increase the desk of frame from the area and cooperate the increase frame of external parts formula to realize the display and increase the effect, but the increase frame of accessory formula is off normal easily, lacks fixed establishment, influences the use, is unfavorable for the enterprise development.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a portable increases frame and desk aims at solving the desk among the prior art and lacks convenient display and increase the frame, leads to the technical problem that the practicality is low.

In order to achieve the above object, an embodiment of the present invention provides a portable height increasing frame suitable for a computer desk, which includes a bearing plate and a base assembly, wherein the bearing plate is used for supporting a computer monitor; the base assembly comprises an upright column, a first magnetic part and a second magnetic part, the first magnetic part is arranged at the bottom of the upright column, the second magnetic part is arranged on the desktop of the computer desk, the top of the upright column is connected with the bottom of the bearing plate, and the opposite end surfaces of the first magnetic part and the second magnetic part are arranged in a manner of opposite magnetic poles; the number of the base assemblies is at least three, and all the base assemblies are uniformly distributed at the bottom of the bearing plate.

Optionally, be provided with first recess on the desktop of desk, the bottom of stand is provided with and is used for adjusting the adjustment mechanism of the height of loading board, adjustment mechanism is including setting up first recess is connected with the rotation the first gear of the bottom of stand, the top of stand with the bottom of loading board is rotated and is connected, be provided with on the diapire of first recess and be used for the meshing the first rack of first gear, the quantity of second magnetic member is the multiunit, all the second magnetic member is followed the length direction interval of first recess sets up, each the second magnetic member respectively one-to-one sets up on each tooth's socket of first rack, first magnetic member sets up in the first gear.

Optionally, the number of the base assemblies is four, the cross section of the bearing plate is arranged in a rectangular structure, and the four base assemblies are respectively arranged at four corner positions of the bottom of the bearing plate.

Optionally, the bottom of loading board is provided with and is used for spacingly the stopper of stand direction of rotation, the stopper sets up the inboard of loading board just is located stiff end one side of stand, in order to ensure the stand is rotatory toward predetermineeing the direction beat, two the stopper is the mirror symmetry setting.

Optionally, a first groove is formed in the desktop of the computer desk, the number of the second magnetic members is multiple, the multiple sets of the second magnetic members are arranged on the bottom wall of the first groove at intervals along the length direction of the first groove, the top of the upright post is rotatably connected with the bearing plate, the base assembly further comprises a positioning assembly for driving and positioning the rotation angle of the upright post, the positioning assembly comprises a moving block, an adjusting groove and a connecting shaft, the adjusting groove is formed in the side wall of the bearing plate, the adjusting groove penetrates through the bottom of the bearing plate, the moving block is slidably connected in the adjusting groove, one end of the moving block extends to the outer side of the adjusting groove, a clamping groove for clamping and fixing the moving block is formed in the adjusting groove, and two ends of the connecting shaft are respectively pivoted with the middle position of the upright post and the moving block, the adjusting groove is positioned above the first groove.

Optionally, the number of the clamping grooves is multiple, the multiple groups of clamping grooves are arranged on the side wall of the bearing plate at intervals along the length direction of the adjusting groove, and the number of the second magnetic pieces is equal to the number of the clamping grooves.

Optionally, the portable heightening frame further comprises a limiting component for positioning the upright post at the position of the first groove, the limiting component is arranged on the desktop of the computer desk, and the output end of the limiting component can cross over the first groove to intercept the upright post.

Optionally, the limiting assembly comprises a rotating shaft and a limiting plate, a second groove is formed in the desktop of the computer desk, the second groove and the first groove are distributed in a staggered mode, the rotating shaft is arranged on the bottom wall of one end of the second groove, one end of the limiting plate is connected in the rotating shaft in a rotating mode, and the other end of the limiting plate can rotate to the other end of the second groove to intercept the stand column.

Optionally, a third magnetic member is disposed on the side wall of the first groove close to the bearing plate, and opposite end surfaces of the third magnetic member and the first magnetic member are opposite.

The embodiment of the utility model provides an above-mentioned one or more technical scheme in the desk have one of following technological effect at least: because this desk has adopted foretell portable to increase the frame, this portable increases the theory of operation of frame: when the loading board is installed to needs, only need align first magnetic part and second magnetic part, can accomplish the installation, when the loading board is dismantled to needs, only need power with first magnetic part and second magnetic part separation, can detach the loading board from the desk, the display that compares in the desk among the prior art increases the frame and is fixed setting, unable dismouting, influences the practicality, perhaps places on the desk with the accessory structure, and is unable fixed, influences the technical problem of result of use, the embodiment of the utility model provides a portable increases the swift dismouting that adopts magnetic structure to realize that the display increases the frame, improves the practicality that increases the frame effectively, is favorable to the enterprise development.

In order to achieve the above object, an embodiment of the utility model provides a computer desk, increase the frame including supporting structure, table and foretell portable, the portable increases the frame setting and is in on the table, supporting structure sets up the bottom of table just is used for supporting the table.

The embodiment of the utility model provides an above-mentioned one or more technical scheme in the desk have one of following technological effect at least: because this desk has adopted foretell portable to increase the frame, this portable increases the theory of operation of frame: when the loading board is installed to needs, only need align first magnetic part and second magnetic part, can accomplish the installation, when the loading board is dismantled to needs, only need power with first magnetic part and second magnetic part separation, can detach the loading board from the desk, the display that compares in the desk among the prior art increases the frame and is fixed setting, unable dismouting, influences the practicality, perhaps places on the desk with the accessory structure, and is unable fixed, influences the technical problem of result of use, the embodiment of the utility model provides a portable increases the swift dismouting that adopts magnetic structure to realize that the display increases the frame, improves the practicality that increases the frame effectively, is favorable to the enterprise development.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings required for the embodiments or the prior art descriptions will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings without inventive labor.

Fig. 1 is a schematic structural view of a portable height-increasing stand according to an embodiment of the present invention.

Fig. 2 is a diagram illustrating the effect of height adjustment of the portable height-increasing stand according to an embodiment of the present invention.

Fig. 3 is a diagram of the height adjustment effect provided by another embodiment of the portable riser of fig. 2.

Fig. 4 is a cut-away view of the height adjustment structure of the portable riser of fig. 2.

Fig. 5 is a schematic structural diagram of a limiting assembly according to an embodiment of the present invention.

Fig. 6 is an enlarged view of the stop assembly of fig. 5.

Fig. 7 is a state diagram of the position limiting assembly in fig. 6.

Fig. 8 is a schematic structural view of a concealed suspension loop mechanism provided in the embodiment of the present invention.

Fig. 9 is a side view of the concealed hanger mechanism of fig. 8.

Fig. 10 is a state view of the concealed ear mount mechanism of fig. 8 in use.

Fig. 11 is another state of use of the concealed ear mount mechanism of fig. 10.

Wherein, in the figures, the respective reference numerals:

10 bearing plate 20 base assembly 30 first recess

21-first gear 22-first rack 23-limiting block

24-positioning component 241-moving block 242-adjusting groove

243-connecting shaft 244-clamping groove 25-limiting assembly

251-rotating shaft 252-limit plate 253-second groove

40-bracket structure 50-table 60-positioning shaft

70-hook assembly 71-first connecting rod 72-second connecting rod

73, the barb 74, the third groove 75 and the positioning block.

Detailed Description

Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to fig. 1-11 are exemplary and intended to be used to illustrate embodiments of the present invention, and should not be construed as limiting the invention.

In the description of the embodiments of the present invention, it should be understood that the terms "length," "width," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like are used in the orientation or positional relationship indicated in the drawings, which is only for convenience in describing the embodiments of the present invention and simplifying the description, and do not indicate or imply that the device or element so indicated must have a particular orientation, be constructed and operated in a particular orientation, and therefore should not be construed as limiting the invention.

Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the embodiments of the present invention, "a plurality" means two or more unless specifically limited otherwise.

In the embodiments of the present invention, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "fixed" are to be construed broadly, e.g., as fixed or detachable connections or as an integral part; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meaning of the above terms in the embodiments of the present invention can be understood by those skilled in the art according to specific situations.

In an embodiment of the present invention, as shown in fig. 1 to 11, a portable heightening frame is provided, which includes a supporting board 10 and a base assembly 20, wherein the supporting board 10 is used for supporting a computer monitor; the base assembly 20 comprises a column, a first magnetic part and a second magnetic part, the first magnetic part is arranged at the bottom of the column, the second magnetic part is arranged on the desktop of the computer desk, the top of the column is connected with the bottom of the bearing plate 10, and the opposite end surfaces of the first magnetic part and the second magnetic part are arranged in a manner of opposite magnetic poles; the number of the base assemblies 20 is at least three, and all the base assemblies 20 are uniformly distributed at the bottom of the bearing plate 10.

Specifically, this portable increases high theory of operation: when needs installation loading board 10 is on the desk, only need align first magnetic part and second magnetic part, can accomplish the installation, when needs dismantle loading board 10, only need to separate first magnetic part and second magnetic part hard, can detach loading board 10 from the desk, the display that compares in the desk among the prior art increases the frame and is fixed setting, unable dismouting, influences the practicality, perhaps places on the desk with the accessory structure, and is unable fixed, influences the technical problem of result of use, the embodiment of the utility model provides a portable increases the swift dismouting that adopts magnetic structure to realize that the display increases the frame, improves the practicality that increases the frame effectively, is favorable to the enterprise development.

As shown in fig. 1 to 11, in another embodiment of the present invention, a first groove 30 is disposed on the desktop of the computer desk, an adjusting mechanism for adjusting the height of the loading board 10 is disposed at the bottom of the upright, the adjusting mechanism includes a first gear 21 rotatably connected to the bottom of the upright and disposed at the first groove 30, the top of the upright is rotatably connected to the bottom of the loading board 10, a first rack 22 for engaging the first gear 21 is disposed on the bottom wall of the first groove 30, the number of the second magnetic members is plural, all the second magnetic members are disposed at intervals along the length direction of the first groove 30, each of the second magnetic members is disposed on each tooth groove of the first rack 22 in a one-to-one correspondence manner, the first magnetic member is disposed in the first gear 21, and a groove structure is adopted to facilitate effective guiding of the upright to move toward a predetermined direction, make the high rising or the decline of loading board 10, the magnetism of cooperation magnetic part is simultaneously inhaled and tooth portion meshing positioning action, is favorable to preventing the stand off normal removal, and this altitude mixture control mode simple structure is convenient for preparation and operation, is favorable to further improving the practicality of this portable increase frame.

As shown in fig. 1-11, in another embodiment of the present invention, the number of the base assemblies 20 is four groups, the cross section of the loading plate 10 is rectangular, the base assemblies 20 are respectively disposed at four corners of the bottom of the loading plate 10, and the stability of the elevated frame is improved by using the four groups of the base assemblies 20.

As shown in fig. 1-11, in another embodiment of the utility model, the bottom of loading board 10 is provided with and is used for spacingly the stopper 23 of stand direction of rotation, stopper 23 sets up the inboard of loading board 10 just is located stiff end one side of stand, in order to ensure the stand is rotatory toward predetermineeing the direction beat, two stopper 23 is the mirror symmetry setting, and the effectual stand syntropy rotation beat that prevents both ends influences the altitude mixture control effect.

As shown in fig. 1 to 11, in another embodiment of the present invention, a first groove 30 is disposed on a desktop of the computer desk, the number of the second magnetic members is multiple, the multiple sets of the second magnetic members are disposed on a bottom wall of the first groove 30 at intervals along a length direction of the first groove 30, a top of the upright is rotatably connected to the bearing plate 10, the base assembly 20 further includes a positioning assembly 24 for driving and positioning a rotation angle of the upright, the positioning assembly 24 includes a moving block 241, an adjusting groove 242 and a connecting shaft 243, the adjusting groove 242 is formed on a side wall of the bearing plate 10, the adjusting groove 242 penetrates through a bottom of the bearing plate 10, the moving block 241 is slidably connected in the adjusting groove 242, one end of the moving block 241 extends to an outer side of the adjusting groove 242, a slot 244 for fastening and fixing the moving block 241 is disposed on the adjusting groove 242, the two ends of the connecting shaft 243 are respectively pivoted with the middle position of the upright post and the moving block 241, the adjusting groove 242 is located above the first groove 30, specifically, the moving block 241 is driven to move into the preset clamping groove 244 along the adjusting groove 242 when the height needs to be adjusted, the connecting shaft 243 is rotatably connected with the upright post and the moving block 241, the upright post is in deflection rotation in the preset direction to a preset angle, the height adjustment of the bearing plate 10 is achieved, the moving block 241 is adopted for adjustment, the manual operation is facilitated, the positioning accuracy is high, and the height adjusting effect of the bearing plate 10 is improved.

As shown in fig. 1 to 11, in another embodiment of the present invention, the number of the clamping grooves 244 is multiple groups, the clamping grooves 244 are arranged on the sidewall of the loading plate 10 at intervals along the length direction of the adjusting groove 242, the number of the second magnetic members is equal to the number of the clamping grooves 244, and a plurality of clamping grooves 244 are adopted to form a plurality of gears, which is beneficial to further improving the practicability of the heightening rack.

As shown in fig. 1-11, in another embodiment of the present invention, the portable heightening frame further comprises a limiting component 25 for positioning the stand at the position of the first groove 30, the limiting component 25 is disposed on the desktop of the computer desk, and the output end of the limiting component 25 can span the first groove 30 for intercepting the stand, and the limiting component 25 is adopted to effectively prevent the stand from moving in a deflection manner, which is beneficial to improving the use effect of the heightening frame.

As shown in fig. 1 to 11, in another embodiment of the present invention, the position-limiting component 25 includes a rotating shaft 251 and a position-limiting plate 252, a second groove 253 is disposed on the desktop of the computer desk, the second groove 253 is disposed in a staggered manner with the first groove 30, the rotating shaft 251 is disposed on the bottom wall of one end of the second groove 253, one end of the position-limiting plate 252 is rotatably connected to the rotating shaft 251, the other end of the position-limiting plate 252 can rotate to the other end of the second groove 253 for intercepting the stand, the number of the position-limiting components 25 can be multiple groups to increase the height adjustment gear of the height-increasing rack, further improve the practicability of the height-increasing rack, and specifically, before the stand moves, the position-limiting plate 252 in a preset position is driven to rotate to the end of the second groove 253 to make it span over the first groove 30, so as to form an intercepting effect on the stand, the structure is simple to operate and convenient to use, and is favorable for improving the practicability of the heightening frame.

As shown in fig. 1-11, in another embodiment of the present invention, the first groove 30 is close to the side wall of the loading board 10, a third magnetic member is disposed on the side wall of the loading board 10, the third magnetic member and the first magnetic member are opposite end faces, and the magnetic member disposed at the limit position of the first groove 30 is beneficial to preventing the loading board 10 from shaking due to the lack of a reliable fixing mechanism, which affects the use experience and is beneficial to improving the practicability of the elevating rack.

As shown in fig. 1-11, another embodiment of the present invention provides a computer desk, which comprises a support structure 40, a desk 50 and the portable heightening frame, wherein the first groove 30 is formed at the upper end of the desk 50, the limiting component 25 is disposed on the desk 50, and the support structure 40 is disposed at the bottom of the desk 50 and is used for supporting the desk 50.

Specifically, because this desk has adopted foretell portable to increase the frame, and this portable increases the theory of operation of frame: when needs installation loading board 10 is on the desk, only need align first magnetic part and second magnetic part, can accomplish the installation, when needs dismantle loading board 10, only need to separate first magnetic part and second magnetic part hard, can detach loading board 10 from the desk, the display that compares in the desk among the prior art increases the frame and is fixed setting, unable dismouting, influences the practicality, perhaps places on the desk with the accessory structure, and is unable fixed, influences the technical problem of result of use, the embodiment of the utility model provides a portable increases the swift dismouting that adopts magnetic structure to realize that the display increases the frame, improves the practicality that increases the frame effectively, is favorable to the enterprise development.

As shown in fig. 1 to 11, another embodiment of the present invention provides a hidden-type hanging-lug mechanism suitable for a computer desk, including a positioning shaft 60 and a hook assembly 70, wherein the positioning shaft 60 is disposed on a side wall of the computer desk; the hook assembly 70 comprises a first connecting rod 71, a second connecting rod 72 and a barb 73, the upper end of the first connecting rod 71 is rotatably connected with the positioning shaft 60, the second connecting rod 72 is rotatably connected with the lower end of the first connecting rod 71, and the barb 73 is arranged at the lower end of the second connecting rod 72; the rotating direction of the first connecting rod 71 is parallel to the extending direction of the end surface of the side wall of the computer desk, and the rotating direction of the second connecting rod 72 is perpendicular to the rotating direction of the first connecting rod 71.

Specifically, the working principle of the concealed suspension loop mechanism is as follows: when this hangers mechanism need to be packed up, along the rotatory head rod 71 of the lateral wall direction of desk, make the whole orientation of going the desktop of hangers mechanism rotatory, rotatory second connecting rod 72 again makes overhead kick 73 rotatory and the lateral wall of laminating desk toward the lateral wall of desk, and the hangers of the desk of comparing in prior art is fixed design, and the practicality is low, and has the technical problem of certain potential safety hazard, the embodiment of the utility model provides a hidden hangers mechanism can pack up when the hangers is in non-user state, reduces the space occupancy of this hangers effectively, improves its practicality to eliminate the potential safety hazard, be favorable to enterprise's development.

As shown in fig. 1-11, in another embodiment of the present invention, the hidden hanging lug mechanism further includes a third groove 74 disposed on the sidewall of the computer desk, the third groove 74 is used for accommodating the positioning shaft 60 and the hook assembly 70, and a groove structure is adopted to further accommodate the whole hanging lug in the sidewall of the computer desk, which is beneficial to improving the hidden effect.

As shown in fig. 1 to 11, in another embodiment of the present invention, the top wall of the third groove 74 is provided with a fourth magnetic member, the barb 73 is far away from the end of the second connecting rod 72 is provided with a fifth magnetic member, the fourth magnetic member and the fifth magnetic member are opposite magnetic poles, and the magnetic members are favorable for preventing the hook assembly 70 from dropping due to gravity and maintaining the retracted state.

As shown in fig. 1 to 11, in another embodiment of the present invention, a positioning block 75 is disposed in the third groove 74, the positioning block 75 can extend into the hook groove structure of the inverted hook 73, and the positioning block 75 is adopted to prevent the hook component 70 from dropping due to gravity and maintain the retracted state

As shown in FIGS. 1-11, in another embodiment of the present invention, the first connecting rod 71 and the positioning shaft 60 are connected in a damping manner, the second connecting rod 72 and the first connecting rod 71 are connected in a damping manner, and the damping structure is favorable for preventing the hook assembly 70 from dropping due to gravity and maintaining the retracted state

As shown in fig. 1-11, in another embodiment of the present invention, the supporting structure 40 includes multiple sets of vertical supporting legs, and multiple sets of vertical supporting legs are uniformly distributed on the bottom of the desk 50, which is adjacent to each other, and a reinforcing rib structure is connected between the vertical supporting legs, in this embodiment, the cross-section rectangular structure of the desk 50 is arranged, the number of the vertical supporting legs is four sets, and the four sets of the vertical supporting legs are respectively arranged at four corner positions of the desk 50, and a four-foot supporting structure is adopted to facilitate the improvement of the stability of the computer desk.

As shown in fig. 1-11, in another embodiment of the present invention, the supporting structure 40 includes two sets of supporting components and a fixing rod, and is two sets of the supporting components are respectively disposed on two sides of the bottom of the table 50, two ends of the fixing rod are respectively corresponding to two sets of the supporting components and are fixedly connected to each other, and the fixing rod structure is adopted, so that the pedal position can be provided for the user, and the stability of the supporting components can be ensured.

As shown in fig. 1-11, in another embodiment of the present invention, the supporting component includes a first supporting rod and a second supporting rod, the upper end of the first supporting rod is connected to the one end of the bottom of the table 50, the first supporting rod is set in an inclined state, the lower end of the first supporting rod extends to the lower part of the other end of the bottom of the table 50, the one end of the second supporting rod is connected to the middle of the first supporting rod, the second supporting rod is set in an inclined state, the lower end of the second supporting rod extends to the lower part of the top of the first supporting rod, the two ends of the fixing rod are respectively connected to the two sets of the side wall of the second supporting rod, in this embodiment, the table 50 is connected to the fixing rod through fixing ribs, and the structural stability of the supporting component is further ensured.

As shown in fig. 1-11, in another embodiment of the present invention, the table plate 50 is made of a wood board, a middle fiber board or a pattern plate, the upper end surface of the table plate 50 is provided with a carbon fiber texture structure, which is beneficial to improving the end surface touch feeling of the table plate 50 and improving the use experience of the user.

The above description is only exemplary of the present invention and should not be taken as limiting the scope of the present invention, as any modifications, equivalents, improvements and the like made within the spirit and principles of the present invention are intended to be included within the scope of the present invention.

Claims (10)

1. A portable heightening frame is suitable for a computer desk and is characterized by comprising a bearing plate and a base assembly, wherein the bearing plate is used for supporting a computer display; the base assembly comprises an upright column, a first magnetic part and a second magnetic part, the first magnetic part is arranged at the bottom of the upright column, the second magnetic part is arranged on the desktop of the computer desk, the top of the upright column is connected with the bottom of the bearing plate, and the opposite end surfaces of the first magnetic part and the second magnetic part are arranged in a manner of opposite magnetic poles; the number of the base assemblies is at least three, and all the base assemblies are uniformly distributed at the bottom of the bearing plate.

2. The portable height enhancement frame of claim 1, wherein: be provided with first recess on the desktop of desk, the bottom of stand is provided with and is used for adjusting the adjustment mechanism of the height of loading board, adjustment mechanism is including setting up first recess is connected with the rotation the first gear of the bottom of stand, the top of stand with the bottom of loading board is rotated and is connected, be provided with on the diapire of first recess and be used for the meshing the first rack of first gear, the quantity of second magnetic member is the multiunit, all the second magnetic member is followed the length direction interval of first recess sets up, each the second magnetic member is respectively the one-to-one setting on each tooth's socket of first rack, first magnetic member sets up in the first gear.

3. The portable height enhancement frame of claim 2, wherein: the number of the base assemblies is four, the cross section of the bearing plate is in a rectangular structure, and the four base assemblies are respectively arranged at four corner positions of the bottom of the bearing plate.

4. The portable height enhancement frame of claim 2, wherein: the bottom of loading board is provided with and is used for spacingly the stopper of stand direction of rotation, the stopper sets up the inboard of loading board just is located stiff end one side of stand, in order to ensure the stand is rotatory toward predetermineeing the direction beat, two the stopper is the mirror symmetry setting.

5. The portable height enhancement frame of claim 1, wherein: the desktop of the computer desk is provided with a first groove, the number of the second magnetic parts is multiple, the multiple groups of the second magnetic parts are arranged on the bottom wall of the first groove at intervals along the length direction of the first groove, the top of the upright post is rotationally connected with the bearing plate, the base assembly further comprises a positioning assembly for driving and positioning the rotation angle of the upright post, the positioning assembly comprises a moving block, an adjusting groove and a connecting shaft, the adjusting groove is formed in the side wall of the bearing plate and penetrates through the bottom of the bearing plate, the moving block is slidably connected in the adjusting groove, one end of the moving block extends to the outer side of the adjusting groove, the adjusting groove is provided with a clamping groove for clamping and fixing the moving block, and the two ends of the connecting shaft are respectively pivoted with the middle position of the upright post and the moving block, the adjusting groove is positioned above the first groove.

6. The portable height enhancement frame of claim 5, wherein: the quantity of draw-in groove is the multiunit, the multiunit draw-in groove along the length direction interval of adjustment tank sets up on the lateral wall of loading board, the quantity of second magnetic part with the quantity of draw-in groove equals.

7. The portable heightening frame according to any one of claims 2 to 6, characterized in that: the portable increases and puts up still including being used for the location the stand is in the spacing subassembly of the position of first recess, spacing subassembly sets up just on the desktop of desk the output of spacing subassembly can span first recess is in order to be used for the interception the stand.

8. The portable height enhancement frame of claim 7, wherein: the limiting assembly comprises a rotating shaft and a limiting plate, a second groove is formed in the desktop of the computer desk, the second groove and the first groove are distributed in a staggered mode, the rotating shaft is arranged on the bottom wall of one end of the second groove, one end of the limiting plate is connected in the rotating shaft in a rotating mode, and the other end of the limiting plate can rotate to the other end of the second groove to intercept the stand column.

9. The portable height enhancement frame of claim 2, wherein: and a third magnetic piece is arranged on the side wall, close to the bearing plate, of the first groove, and the end faces, opposite to each other, of the third magnetic piece and the first magnetic piece are opposite.

10. A computer desk is characterized in that: the portable height increasing frame comprises a support structure, a table plate and the portable height increasing frame as claimed in any one of claims 1 to 9, wherein the portable height increasing frame is arranged on the table plate, and the support structure is arranged at the bottom of the table plate and used for supporting the table plate.

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