CN202820183U

CN202820183U - Laptop two-leg type operation desk

Info

Publication number: CN202820183U
Application number: CN 201220494392
Authority: CN
Inventors: 余明月; 陈曰贵
Original assignee: Individual
Current assignee: Individual
Priority date: 2012-09-25
Filing date: 2012-09-25
Publication date: 2013-03-27
Anticipated expiration: 2022-09-25

Abstract

The utility model discloses a laptop two-leg type operation desk. The laptop two-leg type operation desk aims at solving the problem that rotary mechanisms and landing leg clamping-loosening mechanisms of existing laptop desks are inconvenient enough to use, wherein the rotary mechanisms are used for adjusting a rotary angle of a rectangular flat plate which is used for placing a laptop, and the landing leg clamping-loosening mechanisms are used for controlling the laptop desk to lift. The laptop two-leg type operation desk comprises a rectangular flat plate and landing legs, and further comprises rotary mechanisms, wherein the rectangular flat plate is used for placing a laptop, the landing legs are used for supporting the rectangular flat plate and are capable of lifting, and the rotary mechanisms are respectively installed at the upper end of each small sleeve of each landing leg. Each rotary mechanism comprises a support, an angle clamping piece, a wrench, a male connecting piece and a screw-nut pair. In addition, a set of mechanisms used for controlling the landing legs to clamp or to loosen are respectively and further arranged between each large sleeve and each small sleeve of each of the landing legs. Each of the mechanisms comprises a pipe sleeve, a lifting wrench, a plurality of flat rectangular shaped windows, a compression spring and a cylindrical pin. The plurality of flat rectangular shaped windows are formed on the inner lateral walls of the small sleeves. The laptop two-leg type operation desk is suitable for placing and operating the laptop.

Description

Two-leg operating table of notebook computer

Technical Field

The utility model relates to an operation panel for placing and operating a notebook computer.

Background

I have previously filed a plurality of patents on notebook computer tables, which generally comprise a rectangular panel for placing a notebook computer and a lifting leg for supporting the panel; a barrier strip for preventing the computer from sliding off is arranged near the lower edge of the rectangular flat plate. However, the disadvantages of the computer desk are as follows: 1. the design of the rotating mechanism for adjusting the rotating angle of the rectangular flat plate is not simple and reasonable enough, and the use is not convenient enough; 2. the design of a mechanism for controlling the clamping-loosening of the lifting supporting legs is not simple and reasonable enough, and the use is not convenient enough; 3. the pulling of the inserting part of the large and small sleeves in the lifting supporting legs is not smooth enough; 4. when the rectangular flat plate is adjusted to be inclined, a teacup, stationery, a book or other articles are easy to slide off when being placed on the rectangular flat plate; there is therefore a need for further improvements.

Disclosure of Invention

The utility model aims at overcoming the above-mentioned defect, and provide an adjustment rectangle dull and stereotyped turned angle's slewing mechanism design simple, reasonable, the convenient operation panel of placing and operating notebook computer that gets up of use.

The second purpose of the utility model is to make the design of the mechanism for clamping and loosening the lifting leg simpler and more reasonable, and to use the operation desk for placing and operating the notebook computer more conveniently, besides the above purpose.

The third purpose of the utility model is to make the insertion part of the large and small sleeves in the liftable supporting legs to draw smoothly, so that the operator can place and operate the notebook computer more satisfactorily.

The fourth purpose of the utility model is that besides realizing the above three purposes, can cut apart the rectangle flat board into mainboard and subplate two parts, turned angle can be put together in these two parts, also can separately control, makes the subplate keep the angle that level or user required to satisfy the special needs of placing teacup, stationery, books or other article.

In order to achieve the first object, the following technical solutions may be adopted: the scheme comprises a rectangular flat plate for placing the notebook computer and a lifting supporting leg for supporting the flat plate as in the prior art; a barrier strip for preventing the computer from sliding off is arranged near the lower edge of the rectangular flat plate; the improvement is as follows:

the number of the supporting legs is two, namely a left supporting leg and a right supporting leg; each supporting leg comprises a pair of large and small sleeves which are mutually inserted together and can mutually move up and down; a support leg is assembled below the large sleeve, is vertical to the large sleeve and is parallel to the wide side of the rectangular flat plate;

a set of mechanism for controlling the rotation of the flat plate is respectively arranged at the upper end of the small sleeve of each supporting leg; the mechanism comprises:

a mount, the mount comprising:

the rectangular top plate is provided with a screw hole respectively close to four corners and is assembled at the left part or the right part of the back surface of the rectangular flat plate by four screws;

an outer panel vertically connected below the outer side edge of the top panel, the outer panel including a rectangular portion and a semicircular portion connected together; the front side of the rectangular part in the length direction is aligned with the front side of the top plate, the rear side of the rectangular part in the length direction is slightly shorter than the rear side of the top plate, and a pin hole I is arranged at the position close to the front lower corner of the rectangular part; the diameter of the semicircular part is slightly smaller than the length of the long side of the rectangular part, the semicircular part is positioned below the rectangular part, and the rear side edge of the semicircular part is aligned with the rear side edge of the rectangular part in the length direction; the center of the semicircular part is also provided with a pin shaft hole;

an inner side plate, which is parallel to the outer side plate and keeps a proper distance, the outline shape of the inner side plate is the same as that of the outer side plate, the inner side plate comprises a circular ring, the circle center of the circular ring is on the same straight line with the circle center of the semicircular part in the outer side plate, the straight line is parallel to the front side and the rear side of the top plate, and the outer diameter of the circular ring is equal to the diameter of the semicircular part; a raised limit column is fixed on the inner side surface of the circular ring; a pin hole II corresponding to the pin hole I on the outer side plate is also arranged at the front lower corner of the inner side plate;

a sealing plate including a straight plate section and a circular arc plate section having an inner diameter equal to that of the ring of the inner side plate, and enclosing a rear portion and a lower portion between the inner and outer side plates to form a cylinder;

the elastic vertical plate is a long strip plate vertically placed between the inner side plate and the outer side plate, the top edge of the elastic vertical plate is connected with the lower surface of the top plate in the support, the inner surface of the elastic vertical plate is tangent to the inner circle of the cylinder in the inner side plate, the width of the elastic vertical plate is slightly smaller than the width between the inner side plate and the outer side plate, a gap is respectively reserved between the left side edge and the right side edge of the elastic vertical plate and the inner surfaces of the inner side plate and the outer side plate, the length of the gap is slightly larger than the width of the rectangular part in the outer side plate; two parallel and convex teeth are arranged at the lower end close to the inner surface of the elastic vertical plate;

an angle screens piece, this angle screens piece includes:

the excircle of the gear is in sliding fit with the inner circle of the cylinder formed between the sealing plate and the inner and outer side plates, the teeth of the gear are matched with the teeth at the lower end of the inner surface of the elastic vertical plate, a horizontal round through hole is arranged on the axial lead of the gear, and the diameter of the round through hole is slightly larger than that of a pin shaft hole on the outer side plate in the support;

the limiting wafer is connected to the inner end face of the gear and is on the same axis with the gear, and the circle center of the limiting wafer is provided with a pin shaft hole with the same size as the pin shaft hole in the outer side plate in the support; notches with proper width are respectively arranged on the front side and the rear side of the limiting wafer;

the section of the female connecting piece, which is parallel to the side surface of the limiting wafer, is in an inverted U shape, has a proper length, is connected with the inner end surface of the limiting wafer, and the symmetrical center line of the inverted U-shaped section of the female connecting piece and the longitudinal center line of the limiting wafer are in the same plane; the middle parts of the front side plate and the rear side plate of the female connecting piece are respectively provided with a screw hole;

the outer end of the pin shaft is provided with a big head, and a clamp spring groove is arranged at the position close to the inner end of the pin shaft;

the clamp spring is matched with the clamp spring groove;

the gear in the angle position clamping part is inserted into a cylinder formed by a sealing plate of the support and the inner and outer side plates, an inverted U-shaped opening of a female connecting piece in the angle position clamping part faces downwards, and a limiting column in the support is positioned in a gap on the side surface of a limiting wafer in the angle position clamping part; the pin shaft penetrates through a pin shaft hole in the outer side plate in the support, a round through hole in the axis of the gear in the angle clamping piece and a pin shaft hole in the center of the limiting wafer, the clamp spring is clamped in a clamp spring groove at the inner end of the pin shaft, and the angle clamping piece and the support are assembled together;

the wrench comprises a handle, a vertical plate and a tightening block with an S-shaped longitudinal section, wherein the vertical plate is vertically connected with the rear end of the handle upwards, the upper part of the S-shaped tightening block is vertically connected with the upper end of the vertical plate backwards, the size of the lower part of the S-shaped tightening block is properly enlarged, a pin hole III is arranged at the front lower corner close to the enlarged part, and a section of circular arc-shaped bulge is connected with the rear end of the enlarged part;

the cylindrical pin penetrates through a pin hole I on an outer side plate in the support, a pin hole III on a jacking block in the wrench and a pin hole II on an inner side plate in the support, and the wrench and the support are assembled together;

the male connecting piece comprises three parts which are mutually connected, the upper part of the male connecting piece is a semi-cylinder, the axial lead of the semi-cylinder is a horizontal line, and the radius of the semi-cylinder is properly smaller than the distance from the central line of the screw hole on the front side plate and the rear side plate of the female connecting piece in the angle clamping piece to the inner side surface of the limiting wafer; the middle part of the cylinder is a cylinder, the left side and the right side of the cylinder are cut into mutually symmetrical planes, the axis of the cylinder is vertical to the axis of the semi-cylinder, and the diameter of the cylinder is smaller than that of the semi-cylinder; the lower end of the cylinder is provided with a circular arc convex edge protruding forwards and backwards; the front side surface and the rear side surface of the joint of the semi-cylinder and the top of the cylinder are respectively provided with a raised oblate cylindrical stand, the axial lead of the oblate cylindrical stand and the axial lead of the semi-cylinder are on the same straight line, the axial lead of the oblate cylindrical stand is provided with a screw hole, and the width between the outer surfaces of the oblate cylindrical stands at both sides is slightly smaller than the width between the inner surfaces of the two side edges of the inverted U-shape of the female connecting piece in the angle clamping piece; the lower part of the small sleeve is a lower cylinder, the lower cylinder and the middle cylinder are on the same axis, the left side and the right side of the small sleeve are also cut into mutually symmetrical planes, and the diameter of the lower cylinder is slightly smaller than the distance between the inner surfaces of the front pipe wall and the rear pipe wall of the small sleeve;

the screw passes through screw holes on two side plates of the inverted U shape of the female connecting piece in the angle clamping piece and screw holes on the flat cylindrical platform in the male connecting piece, and the upper end of the male connecting piece is hinged with the female connecting piece;

the lower cylinder of the male connecting piece is inserted into the upper end of the small sleeve, and the male connecting piece and the small sleeve are fixed together by a rivet.

In order to achieve the second object, the following technical solutions may be adopted: on the basis of the technical scheme, a set of mechanism for controlling the clamping-releasing of the left and right supporting legs is also assembled between the large sleeve and the small sleeve of the left and right supporting legs respectively, and the mechanism for clamping-releasing comprises:

the pipe sleeve is fixedly arranged at the upper end of the large sleeve and comprises a section of sleeve which can be just tightly sleeved at the upper end of the large sleeve, a circle of inward steps are arranged at the upper end of the section of sleeve, a plane is arranged on the inner side surface of the section of sleeve, a pair of ear plates which are vertical to the plane are arranged in front of and behind the upper part of the plane, the two ear plates are spaced at a proper distance, and a pin hole IV which corresponds to each other is respectively arranged on the two ear plates;

the lifting wrench handle comprises a handle which is a vertical long-strip-shaped plate; the handle is characterized by also comprising two side plates which are connected with the front side and the rear side of the handle and are perpendicular to the outside, the distance between the inner surfaces of the two side plates is slightly larger than the distance between the outer surfaces of the two lug plates in the pipe sleeve, and the middle part of each side plate is respectively provided with a pin hole V which corresponds to each other; the top end of the handle is also provided with a top plate which is vertically outward, and the outer end of the top plate is turned downwards to form an acute angle part;

a plurality of flat rectangular windows which are parallel to each other are arranged on the inner side wall of the small sleeve, and the size of each window ensures that the head of an acute angle part at the outer end of a top plate in the lifting spanner handle can be inserted into the window;

the cylindrical pin II penetrates through pin holes V on two side plates of the lifting wrench handle and pin holes IV on two lug plates in the pipe sleeve to assemble the lifting wrench handle on the pipe sleeve;

a compression spring mounted between the inner surface of the handle of the lift wrench handle and the flat surface of the inner side of the sleeve.

In order to achieve the third object, the following technical solutions may be adopted: the scheme is that on the basis of the second technical scheme, a sliding block is added, and the sliding block comprises an upper block and a lower block which are connected together up and down; the upper block and the lower slide block are cylinders on the same vertical axis, the left side surface and the right side surface of each cylinder are cut into mutually symmetrical planes, the lower end of each cylinder is respectively provided with a front convex arc convex edge and a rear convex arc convex edge, and the outline diameter of each convex edge is slightly smaller than the distance between the inner surfaces of the front side wall and the rear side wall of the large sleeve; the diameter of the cylinder of the upper block is slightly smaller than the distance between the inner surfaces of the front side wall and the rear side wall of the small sleeve;

the upper block of the sliding block is inserted into the lower end of the small sleeve and fixed together by a rivet; the sliding block and the small sleeve are movably inserted into the large sleeve.

In order to achieve the fourth object, the following technical solutions may be adopted: on the basis of the third technical scheme, the rectangular flat plate for placing the notebook computer comprises a main plate and an auxiliary plate, wherein the main plate and the auxiliary plate are formed by dividing the rectangular flat plate; the middle parts of the dividing seams at the back surfaces of the main plate and the auxiliary plate are provided with a mechanism for fixing or loosening the main plate and the auxiliary plate, the mechanism comprises screw supports respectively arranged at two sides of the dividing seams at the back surfaces of the main plate and the auxiliary plate, and each screw support comprises an inverted U-shaped flat block and a rectangular support flat plate which is connected below the inverted U-shaped flat block and is wider than the inverted U-shaped flat block; a screw hole is arranged in the middle of the symmetrical center line of the inverted U-shaped flat block, and a screw hole is respectively arranged in the front part and the rear part of the rectangular support flat plate, which extend out of the width of the inverted U-shaped flat block;

the four screws are respectively assembled on two sides of the dividing seams of the main plate and the auxiliary plate, and the inner side surfaces of the four screws are attached together;

and the screws respectively pass through the screw holes in the inverted U-shaped flat blocks in the two screw supports, and the two screw supports are assembled together by using the nuts.

The utility model has the advantages that:

1. the rotating mechanism for adjusting the rotating angle of the rectangular flat plate for placing and operating the notebook computer is simple and reasonable in design and convenient to use, and the two support legs of the operating table can be folded to the back of the rectangular flat plate, so that the size is reduced, and the notebook computer is more convenient and economical to package and transport;

2. the design of the mechanism for controlling the clamping-loosening of the lifting supporting leg is simpler and more reasonable, and the use is more convenient;

3. the inserting and combining parts of the large and small sleeves in the lifting supporting legs can be smoothly drawn, so that an operator is more satisfied;

4. the rectangular flat plate for adjusting, placing and operating the notebook computer can be divided into a main plate and an auxiliary plate, the two parts can rotate together by an angle and can also be separately controlled, so that the auxiliary plate is kept horizontal or at an angle required by a user, and the special requirements for placing tea cups, stationery, books or other articles are met.

In order to facilitate understanding and make the invention clearer, the following description is given by way of example and accompanying drawings.

Drawings

Fig. 1 is a schematic perspective view of embodiment 1 of the present invention.

FIG. 2a is an exploded view of the embodiment of FIG. 1; FIG. 2b is an enlarged schematic view of section A of FIG. 2 a; FIG. 2c is an enlarged schematic view of section B of FIG. 2 a; FIG. 2d is an enlarged schematic view of the pedestal of FIG. 2 b; FIG. 2e is a cross-sectional view D-D of FIG. 2D; FIG. 2f is an enlarged schematic view of the angle detent of FIG. 2 b; FIG. 2g is an enlarged schematic view of the wrench of FIG. 2 b; FIG. 2h is an enlarged schematic view of the shroud of FIG. 2 b; FIG. 2i is an enlarged schematic view of the lift wrench of FIG. 2 b; FIG. 2j is an enlarged schematic view of the male connection member of FIG. 2 b; FIG. 2k is an enlarged view of the slider in FIG. 2 b.

FIG. 3a is a schematic top view of the mechanism for controlling the rotation of the rectangular plate of FIG. 1; FIG. 3b is a schematic sectional view A-A of FIG. 3a showing the mechanism for controlling the rotation of the rectangular plate in a clamped condition; FIG. 3c is a schematic cross-sectional view A-A of FIG. 3a, showing the mechanism controlling the rotation of the rectangular plate when released.

FIG. 4a is a schematic left side view of the right leg portion of FIG. 1; FIG. 4B is a schematic cross-sectional view B-B of FIG. 4 a; fig. 4C is an enlarged schematic view of section C of fig. 4 b.

FIG. 5a is a schematic bottom view of FIG. 1; FIG. 5b is an enlarged view of the screw support in the mechanism for fixing or loosening the main and sub plates of FIG. 5 a; FIG. 5C is a schematic view, partially in cross-section, of the mechanism of FIG. 5a for securing or releasing the primary and secondary plates at C-C; FIG. 5d is a schematic view of the main plate rotated to an inclined angle after the main and sub-plate fixing or releasing mechanism in FIG. 5b is released; fig. 5e is a schematic view of the left and right legs of fig. 1 folded on the back of the rectangular plate.

Detailed Description

Example 1, see fig. 1, fig. 2a and fig. 2 b. The two-leg operating platform of the notebook computer comprises a rectangular flat plate 10 for placing the notebook computer and a lifting leg for supporting the rectangular flat plate; a barrier strip 13 for preventing the computer from sliding off is arranged near the lower edge of the rectangular flat plate 10; wherein,

the number of the supporting legs is two, namely a left supporting leg Z and a right supporting leg Y; each leg comprises a pair of large and

small sleeves

52 and 65 which are inserted into each other and can move up and down; a leg 54 is mounted below the large sleeve 52, the leg 54 being perpendicular to the large sleeve 52 and parallel to the broad side of the rectangular plate 10. The support legs 54 and the large sleeve 52 can be assembled in a manner that as shown in fig. 2a, a sleeve 53 capable of being sleeved outside the large sleeve is welded at the center of the upper surface of the support legs 54, and the lower end of the large sleeve 52 is inserted into the sleeve 53 and fixed by rivets;

a set of mechanism 40 for controlling the rotation of the rectangular flat plate is respectively arranged at the upper end of the small sleeve 65 of each supporting leg; the mechanism comprises:

a support 45 comprising (see also fig. 2 b-2 e):

a rectangular top plate 451, the rectangular top plate 451 being provided with a screw hole 4511 near each of four corners and being assembled to the left or right portion of the back of the rectangular plate 10 with four screws;

an outer plate 4510, the outer plate 4510 being vertically connected below the outer side edge of the top plate 451, the outer plate 4510 including a rectangular portion 45101 and a semicircular portion 45102 (see fig. 2c) connected together; the front side of the rectangular part 45101 in the length direction is aligned with the front side of the top plate 451, the rear side of the rectangular part 45101 in the length direction is slightly shorter than the rear side of the top plate 451, and a pin hole I458 is formed near the front lower corner of the rectangular part 45101; the diameter of the semicircular portion 45102 is slightly smaller than the length of the long side of the rectangular portion 45101, it is located below the rectangular portion 45101, and its rear side is aligned with the rear side of the rectangular portion 45101 in the length direction; a pin shaft hole 4514 is further formed in the center of the semicircular part 45102;

an inner plate 456, the inner plate 456 and the outer plate 4510 being parallel and spaced apart from each other by a suitable distance, and having an outline shape identical to that of the outer plate 4510, wherein the inner plate 456 and the outer plate 4510 include a ring 454, the ring 454 having a center on the same straight line as that of the semicircular portion 4512 in the outer plate, the straight line being parallel to the front and rear sides of the top plate 451, and the ring 454 having an outer diameter equal to the diameter of the semicircular portion 4512; a raised limit post 453 is also fixed on the inner side surface of the circular ring 454; a pin hole II455 corresponding to the pin hole I on the outer plate is also arranged at the front lower corner of the inner plate 456;

a sealing plate 4513 comprising a straight plate segment 45131 and a circular arc shaped plate segment 45132, the circular arc shaped plate 45132 having an inner diameter equal to the inner diameter of the ring 454 in the inner plate, enclosing the rear and lower portions between the inner and outer plates to form a cylinder 452;

an elastic standing plate 459, the elastic standing plate 459 is a long strip plate vertically placed between the inner and outer side plates 456 and 4510, its top edge is connected with the lower surface of the top plate 451 in the support, and its inner surface is tangent to the inner circle of the above-mentioned cylinder 452, its width is slightly less than the width between the inner and outer side plates 456 and 4510, and there is a gap respectively left between its left and right side edges and the inner surfaces of the inner and outer side plates, its length is slightly greater than the width of the rectangular portion 45101 in the outer side plate 4510 and keeps a proper distance 457 with the front end face of the closing plate 4513; two parallel and raised teeth 4512 are arranged at the lower end close to the inner surface of the elastic riser 459;

an angle detent 46, the angle detent 46 comprising (see fig. 2b, 2c and 2 f):

a gear 461, the outer circle of the gear 461 is in sliding fit with the inner circle of the cylinder 452 formed between the sealing plate and the inner and outer side plates, the teeth of the gear are matched with teeth 4512 at the lower end of the inner surface of the elastic vertical plate, a horizontal round through hole 467 is arranged on the axial lead, and the diameter of the round through hole 467 is slightly larger than that of the pin shaft hole 4514 on the outer side plate in the support;

a limiting disc 466, the outer diameter of the limiting disc 466 is slightly larger than the outer diameter of the gear 461, it is connected to the inner end face of the gear 461 and is on the same axis with the gear, its centre of circle has a pin shaft hole with the same size as the pin shaft hole 4514 on the outer side plate in the support; the front side and the rear side of the limiting wafer 466 are respectively provided with a notch 462 with proper width;

the female connecting piece 465 is in an inverted U shape in the section parallel to the side surface of the limiting wafer 466, has a proper length, is connected with the inner end surface of the limiting wafer 466, and the symmetrical center line of the inverted U-shaped section of the female connecting piece 465 and the longitudinal center line of the limiting wafer 466 are in the same plane; a screw hole 463 is respectively arranged at the middle part of the front and the rear side plates of the female connecting piece 465; the cylindrical protrusion 464 with hexagonal hole shown in fig. 2f is provided to prevent the screw from following rotation when the nut is tightened;

a pin 43 (see fig. 2b and 2c), the pin 43 having an outer end with a large head 431 and an inner end with a snap spring groove 432;

a clamp spring 44, wherein the clamp spring 44 is matched with the clamp spring groove 432;

(see fig. 4a, 4b and 3 a-3 c) the gear 461 of the angular detent 46 is inserted into the cylinder 452 formed by the cover plate and the inner and outer side plates of the holder, the inverted "U" shaped opening of the female connector 465 of the angular detent faces downward, and the retaining post 453 of the holder is located in a notch 462 in the side of the retaining disc 466 of the angular detent; the pin shaft 43 passes through a pin shaft hole 4514 on an outer side plate in the support, a round through hole 467 of a gear axial line in the angle clamping piece and a pin shaft hole for limiting the circle center of the wafer, the clamp spring 44 is clamped in a clamp spring groove 432 at the inner end of the pin shaft 43, and the angle clamping piece 46 and the support 45 are assembled together;

a wrench 42 (see fig. 2g), the wrench 42 includes a handle 421, a riser 422 and a tightening block 424 with a longitudinal section of "S" shape, wherein the riser 422 is connected with the rear end of the handle 421 vertically upwards, the upper portion 4241 of the "S" shape in the tightening block 424 is connected with the upper end of the riser 422 vertically backwards, the size of the "S" lower portion 4242 is enlarged properly, a pin hole III4244 is arranged near the front lower corner of the enlarged portion, and a segment of circular arc boss 4243 is connected with the rear end of the enlarged portion;

a cylindrical pin 41 (see fig. 2b and 3 a-3 c), which passes through a pin hole I458 in the outer plate of the support, a pin hole III4244 in the puller block of the wrench and a pin hole II455 in the inner plate of the support, and fits the wrench 42 and the support 45 together;

a male connector 48 (see fig. 2j), the male connector 48 comprises three parts connected together, the upper part of the male connector 48 is a semi-cylinder 481, the axis of the semi-cylinder 481 is a horizontal line, and the radius diameter of the semi-cylinder 481 is properly smaller than the distance from the central line of the screw hole 463 on the front and rear side plates of the female connector 465 in the angle detent member 46 to the inner side surface of the limiting disc 466; the middle part is a cylinder 484, the left side and the right side of the cylinder 484 are cut into planes 488 which are symmetrical mutually, the axis line of the cylinder 484 is vertical to the axis line of the semi-cylinder 481, and the diameter of the cylinder 484 is smaller than that of the semi-cylinder 481; the lower end of the cylinder 484 is provided with a circular arc convex edge 485 protruding forwards and backwards; a raised oblate cylindrical table 482 is respectively arranged at the front side and the rear side of the joint of the top of the semi-cylinder 481 and the top of the cylinder 484, the axial lead of the oblate cylindrical table 482 and the axial lead of the semi-cylinder 481 are on the same straight line, a screw hole 483 is arranged on the axial lead of the oblate cylindrical table 482, the width between the outer surfaces of the oblate cylindrical tables 482 at the two sides is slightly smaller than the width between the inner surfaces of the two side edges of the inverted U-shape of the female connecting piece 465 in the angle clamping piece 46; the lower part of the small sleeve is provided with a lower cylinder 486, the lower cylinder 486 and the middle cylinder 484 are on the same axial line, the left side surface 487 and the right side surface 487 of the small sleeve are also cut into mutually symmetrical planes, and the diameter of the lower cylinder 486 is slightly smaller than the distance between the inner surfaces of the front wall and the rear wall of the small sleeve 65;

a pair of screw-nuts 47 and 49, wherein the screw 47 passes through the screw hole 463 of the two side plates of the inverted "U" shape of the female connecting member 465 in the angle locking member 46 and the screw hole 483 of the flat cylindrical table in the male connecting member 48, and the upper end of the male connecting member 48 is hinged with the female connecting member 465;

the lower cylinder 486 of the male connector 48 is inserted into the upper end of the small sleeve 65, and the male connector 48 and the small sleeve 65 are fixed together by the rivet 66.

(see fig. 3 a-3 c) when the wrench 42 is pressed down by hand, the circular arc protrusion 4243 of the tightening block 424 in the wrench 42 leaves the tooth 4512 protruded on the inner surface of the elastic standing plate 459 in the support 45, the gear 461 in the angle locking member 46 can rotate around the pin 43, and the support 45 is fixed on the back of the rectangular plate 10, so that the rectangular plate 10 can be rotated by hand to be inclined to a proper angle; then, the wrench 42 is lifted to the horizontal position, and the circular arc protrusion 4243 of the tightening block 424 in the wrench 42 tightly pushes the teeth 4512 protruded on the inner surface of the elastic standing plate 459 in the support 45, so that the gear 461 is fixed and can not rotate any more, and the tilt angle of the rectangular plate 10 is fixed.

Example 2, see fig. 2a, 2b, 2h and 2i and 4 a-4 c. In this embodiment, on the basis of embodiment 1 above, a set of clamping-releasing mechanism 60 is further installed between the large and small sleeves of the left and right legs, respectively, and the clamping-releasing mechanism 60 includes:

a pipe sleeve 61, the pipe sleeve 61 is fixedly arranged at the upper end of the large sleeve 52, and comprises a section of sleeve 611 which can be just tightly sleeved at the upper end of the large sleeve 52, the upper end of the section of sleeve 611 is provided with a circle of inward steps 614, the inner side surface of the section of sleeve 611 is provided with a plane 615, a pair of ear plates 613 which are vertical to the plane are arranged at the front and the back of the upper part of the plane 615, the two ear plates 613 are spaced at a proper distance, and the two ear plates 613 are respectively provided with a pin hole IV612 which corresponds to each other;

a lifting wrench 63, the lifting wrench 63 including a handle 631, the handle 631 being an upright elongated plate; the handle comprises a handle 631, two side plates 634 connected to the front and rear sides of the handle, the two side plates 634 are perpendicular to the outside, the distance between the inner surfaces of the two side plates 634 is slightly larger than the distance between the outer surfaces of the two ear plates 613 in the pipe sleeve 61, and a pin hole V635 corresponding to each other is respectively arranged in the middle of each side plate 634; a top plate 632 vertically outward is arranged at the top end of the handle 63, and the outer end of the top plate 632 is turned downwards to form an acute angle part 633;

a plurality of flat rectangular windows 651 which are parallel to each other are arranged on the inner side wall of the small sleeve 65, and the size of each window 651 ensures that the head of an acute angle 633 at the outer end of the top plate in the lifting wrench 63 can be inserted into the window;

a cylindrical pin II64, the cylindrical pin II64 passes through the pin holes V635 on the two side plates of the lifting wrench 63 and the pin holes IV612 on the two ear plates in the pipe sleeve 61, and the lifting wrench 63 is assembled on the pipe sleeve 61;

a compression spring 62, the compression spring 62 is mounted between the inner surface of the handle 631 of the lift trigger 63 and the flat surface inside the sleeve 61.

When the handle 631 in the lifting wrench 63 is pressed downwards, the compression spring 62 is compressed, the upper part of the lifting wrench 63 can rotate counterclockwise around the cylindrical pin II64, the acute angle portion 633 at the outer end of the top plate 632 is disengaged from a flat rectangular window 651 inside the small sleeve 65, and the small sleeve 65 can be lifted or lowered from the large sleeve 52; when the handle 631 in the lifting trigger 63 is released, the handle 631 is lifted by the compression spring 62 and rotated clockwise around the pin II64, and the acute angle portion 633 at the outer end of the top plate 632 is inserted into one of the flat rectangular windows 651 inside the small sleeves 65, so as to fix the relative positions of the large and small sleeves.

Example 3, see fig. 2k and fig. 4 b. In this embodiment, on the basis of embodiment 1 or 2, a sliding block 51 is additionally provided, and the sliding block 51 comprises an upper block 511 and a lower block 513 which are connected together up and down; the upper block 511 and the lower block 513 are cylinders on the same vertical axis, the left and right sides of each cylinder are cut into

planes

516 and 515 which are symmetrical to each other, the lower end of each cylinder is respectively provided with a front and rear convex arc

convex edge

512 and 514, and the outline diameter of the convex edge is slightly smaller than the distance between the inner surfaces of the front and rear side walls of the large sleeve 52; the cylindrical diameter of the upper block 511 is slightly smaller than the distance between the inner surfaces of the front and rear side walls of the small sleeve 65;

the upper block 511 of the slide block 51 is inserted into the lower end of the small sleeve 65 and fixed together by rivets; the slide block 51 is movably inserted into the large sleeve 52 together with the small sleeve 65.

Since only the circular arc

convex edges

512 and 514 of the sliding block 51 are in line contact with the inner circle of the large sleeve 52, and the other parts are not in contact with each other, the relative movement between the small sleeve and the large sleeve is much easier and is easy to adjust.

Example 4, see figures 5 a-5 e. In this embodiment, on the basis of embodiment 3, the rectangular flat board 10 for placing the notebook computer is further divided into a main board 11 and a sub-board 12; a main and sub board fixing or releasing mechanism 70 is installed in the middle of the back dividing slit 15 of the main board 11 and the sub board 12, the mechanism 70 includes screw supports 71 and 73 respectively installed on both sides of the back dividing slit 15 of the main board and the sub board, the screw support 71 or 73 includes an inverted 'U' -shaped flat block 711 and a rectangular support flat plate 712 connected below the same and wider than the width of the inverted 'U' -shaped flat block; the middle part of the symmetrical center line of the inverted U-shaped flat block 711 is provided with a screw hole 713, and the front part and the rear part of the rectangular support flat plate 712 extending out of the width of the inverted U-shaped flat block 711 are respectively provided with a screw hole 714;

four screws, which respectively assemble two screw supports 71 and 73 on both sides of the divided slit 14 of the main plate 11 and the sub plate 12, and the inner side surfaces of which are attached together;

and a pair of screw-nuts 75 and 74, wherein the screw 75 passes through the screw hole 713 in the inverted U-shaped flat block in the two screw supports respectively, and the two screw supports 71 and 73 are assembled together by the nut 74.

When the screws and

nuts

75 and 74 are tightened, the main board 11 and the auxiliary board 12 are combined into an integral rectangular flat board 10, and the left and right legs can be respectively turned inwards around the screws 47 and buckled on the back of the rectangular flat board 10, so that the volume is reduced, and the packaging and the transportation are facilitated, as shown in fig. 5 e; when the screw-nuts 75 and 74 are appropriately loosened, the main plate 11 and the sub-plate 12 can be rotated about the screws 75, respectively, and fig. 5d shows a state where the main plate is rotated to be inclined and the sub-plate is kept horizontal. At the moment, the auxiliary plate is convenient for placing articles such as tea cups and the like.

Example 5, see fig. 1 and 2 a. In this embodiment, on the basis of embodiment 4, a rectangular through hole 14 is formed in the middle of the main board 11, and a ventilation device is assembled in the rectangular through hole 14, and the ventilation device includes, from top to bottom, a rectangular decorative adhesive edge 21, a fan net 22, a fan 23, and a fan lower cover 24. The ventilation device is described in detail in the previously filed patent and is not described in detail here.

Example 6, see fig. 1, fig. 2a and fig. 5 a. In this embodiment, on the basis of embodiment 5, a HUB unit 30 is mounted on the rear of the outer side of the main board 11, and the HUB unit 30 includes an upper cover 31, a lower cover 32, and a plurality of interfaces and interface circuit boards (not shown). The HUB component is described in detail in the prior patent application and is not repeated here.

The above is only a preferred embodiment of the present invention, but it should not be construed as limiting the scope of the invention, i.e. the invention should not be subject to the modifications and variations of the invention, which are equivalent to the claims.

Claims

1. A two-leg operating platform of a notebook computer is characterized by comprising a rectangular flat plate for placing the notebook computer and a lifting leg for supporting the rectangular flat plate; a barrier strip for preventing the computer from sliding off is arranged near the lower edge of the rectangular flat plate; the method is characterized in that:

a set of mechanism for controlling the rotation of the rectangular flat plate is respectively arranged at the upper end of the small sleeve of each supporting leg; the mechanism comprises:

a mount, the mount comprising:

the elastic vertical plate is a long strip plate vertically placed between the inner side plate and the outer side plate, the top edge of the elastic vertical plate is connected with the lower surface of the top plate in the support, the inner surface of the elastic vertical plate is tangent to the inner circle of the cylinder, the width of the elastic vertical plate is slightly smaller than the width between the inner side plate and the outer side plate, a gap is reserved between the left side edge and the right side edge of the elastic vertical plate and the inner surfaces of the inner side plate and the outer side plate, the length of the elastic vertical plate is slightly larger than the width of the rectangular part in the outer side plate; two parallel and convex teeth are arranged at the lower end close to the inner surface of the elastic vertical plate;

an angle screens piece, this angle screens piece includes:

the clamp spring is matched with the clamp spring groove;

the male connecting piece comprises three parts which are mutually connected, the upper part of the male connecting piece is a semi-cylinder, and the axial lead of the semi-cylinder is that the radius of the semi-cylinder is a horizontal line which is properly smaller than the distance from the central line of the screw hole on the front side plate and the rear side plate of the female connecting piece in the angle clamping piece to the inner side surface of the limiting wafer; the middle part of the cylinder is a cylinder, the left side and the right side of the cylinder are cut into mutually symmetrical planes, the axis of the cylinder is vertical to the axis of the semi-cylinder, and the diameter of the cylinder is smaller than that of the semi-cylinder; the lower end of the cylinder is provided with a circular arc convex edge protruding forwards and backwards; the front side surface and the rear side surface of the joint of the semi-cylinder and the top of the cylinder are respectively provided with a raised oblate cylindrical stand, the axial lead of the oblate cylindrical stand and the axial lead of the semi-cylinder are on the same straight line, the axial lead of the oblate cylindrical stand is provided with a screw hole, and the width between the outer surfaces of the oblate cylindrical stands at both sides is slightly smaller than the width between the inner surfaces of the two side edges of the inverted U-shape of the female connecting piece in the angle clamping piece; the lower part of the small sleeve is a lower cylinder, the lower cylinder and the middle cylinder are on the same axis, the left side and the right side of the small sleeve are also cut into mutually symmetrical planes, and the diameter of the lower cylinder is slightly smaller than the distance between the inner surfaces of the front pipe wall and the rear pipe wall of the small sleeve;

2. The two-legged console of notebook computer as claimed in claim 1, wherein a set of mechanism for controlling the clamping-releasing of said left and right legs is further installed between said large and small sleeves, respectively, said clamping-releasing mechanism comprising:

3. The two-legged console of a notebook computer as claimed in claim 1 or 2, further comprising a slide block including an upper block and a lower block connected together in a vertical direction; the upper block and the lower slide block are cylinders on the same vertical axis, the left side surface and the right side surface of each cylinder are cut into mutually symmetrical planes, the lower end of each cylinder is respectively provided with a front convex arc convex edge and a rear convex arc convex edge, and the outline diameter of each convex edge is slightly smaller than the distance between the inner surfaces of the front side wall and the rear side wall of the large sleeve; the diameter of the cylinder of the upper block is slightly smaller than the distance between the inner surfaces of the front side wall and the rear side wall of the small sleeve;

4. The two-legged console of claim 3, wherein said rectangular plate for holding a notebook computer comprises a main plate and a sub-plate, said main plate and said sub-plate being formed by dividing said rectangular plate; the middle parts of the dividing seams at the back surfaces of the main plate and the auxiliary plate are provided with a mechanism for fixing or loosening the main plate and the auxiliary plate, the mechanism comprises screw supports respectively arranged at two sides of the dividing seams at the back surfaces of the main plate and the auxiliary plate, and each screw support comprises an inverted U-shaped flat block and a rectangular support flat plate which is connected below the inverted U-shaped flat block and is wider than the inverted U-shaped flat block; a screw hole is arranged in the middle of the symmetrical center line of the inverted U-shaped flat block, and a screw hole is respectively arranged in the front part and the rear part of the rectangular support flat plate, which extend out of the width of the inverted U-shaped flat block;

5. The two-legged console of claim 4, wherein a rectangular through hole is formed in the middle of the main board, and a ventilation device is installed in the rectangular through hole, the ventilation device comprising a rectangular decorative adhesive tape, a fan net, a fan and a fan lower cover from top to bottom.

6. The two-legged console of claim 5, wherein a HUB unit is mounted on the rear of the outer side of said main board, said HUB unit including an upper cover, a lower cover and a plurality of interface and interface circuit boards.