CN112716143B

CN112716143B - Portable folding computer desk and computer desk folding mode

Info

Publication number: CN112716143B
Application number: CN202011558042.9A
Authority: CN
Inventors: 章国强; 章莉妍; 崔炳涛
Original assignee: Johnson Huizhou Home Development Co ltd
Current assignee: Johnson Huizhou Home Development Co ltd
Priority date: 2020-12-25
Filing date: 2020-12-25
Publication date: 2023-03-28
Anticipated expiration: 2040-12-25
Also published as: CN112716143A

Abstract

The invention belongs to the technical field of computer desks, and particularly relates to a portable folding computer desk and a computer desk folding mode, wherein the portable folding computer desk comprises a supporting device and a bearing device; the supporting device comprises a first opening and closing supporting mechanism, a second opening and closing supporting mechanism, a rotary connecting mechanism and a herringbone rotating support locking mechanism, the bearing device comprises a positioning mechanism and a bearing plate, the rotary connecting mechanism comprises a driving source, a first rotating shaft, a limiting block and a limiting seat, strip-shaped key teeth are distributed on the first rotating shaft, key grooves are formed among the strip-shaped key teeth, tooth grooves are formed in the bottom of the positioning mechanism, a clamping tongue capable of being clamped in any key groove is arranged at one end of the limiting block, a clamping groove is formed in the other end of the limiting block, a clamping block is arranged on the limiting seat, effective rotation of the bedplate is achieved through a small part clamping structure, the effect is remarkable, the folding convenience of the computer desk is greatly improved, and enterprise development is facilitated.

Description

Portable folding computer desk and computer desk folding mode

Technical Field

The invention belongs to the technical field of computer desks, and particularly relates to a portable folding computer desk and a computer desk folding mode.

Background

The computer desk is used for placing a computer. Is an important office and living article. Modern computer desk is various in style and material, and the design is also diversified. With the progress of society and science and technology, the design of computer desks is also a change day by day.

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.

Most of traditional computer tables are installed through screw lock and are shaped, complex operation, folding and boxing are realized by disassembling screws during transportation, complex screw lock and process reduction are also needed during installation, and use experience of users is seriously influenced.

Meanwhile, the herringbone rotary support is adopted by most computer tables as a supporting unit, the simple tongue-overlapping structure is used as a stabilizing unit for maintaining the structural stability of the herringbone rotary support, the maintaining effect of the tongue-overlapping structure is general, the tongue-overlapping structure often causes the failure of the tongue due to the accidental kicking of a user, the herringbone rotary support is unlocked accidentally, the collapse of the computer table is caused, and the personal safety is even affected.

Disclosure of Invention

The invention aims to provide a portable folding computer desk and a computer desk folding mode, and aims to solve the technical problems that in the prior art, a computer desk is disassembled and assembled by adopting a screw locking pair, the operation is complicated, and the use experience of a user is seriously influenced.

In order to achieve the above object, the portable foldable computer desk provided in the embodiment of the present invention comprises a supporting device and a carrying device; the supporting device comprises a first opening and closing supporting mechanism, a second opening and closing supporting mechanism, a rotary connecting mechanism and herringbone rotary support locking mechanisms, the first opening and closing supporting mechanism and the second opening and closing supporting mechanism are symmetrically arranged at two ends of the rotary connecting mechanism, the number of the herringbone rotary support locking mechanisms is two, the two herringbone rotary support locking mechanisms are respectively arranged at the opening and closing ends of the first opening and closing supporting mechanism and the second opening and closing supporting mechanism in a one-to-one correspondence manner, and the two herringbone rotary support locking mechanisms are respectively used for adjusting the opening and closing states of the opening and closing ends of the first opening and closing supporting mechanism and the second opening and closing supporting mechanism; the bearing device comprises a positioning mechanism and a bearing plate, the positioning mechanism is arranged at the output end of the rotary connecting mechanism, and the bearing plate is arranged at the output end of the positioning mechanism and used for loading a computer display; wherein, swivelling joint mechanism includes driving source, first pivot, stopper and spacing seat, first pivot swivelling joint is in first closing supporting mechanism with the second opens and closes between the supporting mechanism, the one end of first pivot is passed first closing supporting mechanism and extending to first closing supporting mechanism's the outside, evenly distributed has many edges on the middle section circumference lateral wall of first pivot the bar key tooth that the axial direction of first pivot was arranged, adjacent two the shaping has the keyway between the bar key tooth, positioning mechanism's bottom be provided with the tooth's socket of bar key tooth key-type connection, spacing seat sets up on the lateral wall of first closing supporting mechanism, the one end of stopper is provided with can the joint arbitrary the latch in the keyway, the other end of stopper is provided with the draw-in groove, spacing seat is kept away from first opening and closing supporting mechanism's tip is provided with and is used for the joint of joint the draw-in groove, the output of driving source with first pivot drive is connected.

Optionally, the positioning mechanism includes a first positioning seat, a second positioning seat, a first locking member and a second locking member, the first positioning seat and the second positioning seat are symmetrically and key-connected at two ends of the first rotating shaft, the first positioning seat and the second positioning seat are respectively provided with a first sliding chute and a second sliding chute on the opposite side walls, two ends of the bearing plate are respectively provided with a first sliding shaft and a second sliding shaft which are used for sliding adaptation of the first sliding chute and the second sliding chute in a one-to-one correspondence manner, the first locking member and the second locking member are respectively provided on the first positioning seat and the second positioning seat, and the first locking member and the second locking member are respectively used for locking the first sliding shaft and the second sliding shaft on the first sliding chute and the second sliding chute in a one-to-one correspondence manner.

Optionally, first retaining member with the second retaining member is the pretension screw, first spout with the second spout sets up respectively one-to-one with running through first positioning seat with on the second positioning seat, first slide-bar with the tip of second slide-bar is dorsad respectively the loading board extends to first spout with the outside of second spout, first slide-bar with all be provided with the screw thread on the second slide-bar, first retaining member with the second retaining member is respectively one-to-one threaded connection first slide-bar with on the second slide-bar.

Optionally, the upper end side walls of the first positioning seat and the second positioning seat, which are opposite to each other, are respectively protruded to form a first bending extension plate and a second bending extension plate; a first pressing assembly is arranged on the first bending extension plate, and an output end of the first pressing assembly penetrates through the first bending extension plate downwards and abuts against the bearing plate to press the end part of the bearing plate on the bottom wall of the first sliding groove; the second bending extension plate is provided with a second pressing assembly, and the output end of the second pressing assembly downwards penetrates through the second bending extension plate and abuts against the bearing plate to press the end portion of the bearing plate on the bottom wall of the second sliding groove.

Optionally, the first pressing assembly includes a first lead screw and a first pressing plate, the first lead screw is rotatably connected to the first bending extension plate, and the bottom of the first lead screw penetrates through the first bending extension plate and is rotatably connected to the first pressing plate; the second pressing assembly comprises a second screw rod and a second pressing plate, the second screw rod is rotatably connected to the second bending extension plate, and the bottom of the second screw rod penetrates through the second bending extension plate and is rotatably connected with the second pressing plate; the quantity of the first lead screws and the quantity of the second lead screws are two sets, the first lead screws are connected to two ends of the first bending extension plate in a rotating mode respectively, the second lead screws are connected to two ends of the second bending extension plate in a rotating mode respectively, and knob structures are arranged at the tops of the first lead screws and the second lead screws.

Optionally, both ends lateral wall of loading board is formed with towards outer arch respectively and is used for sliding connection first spout with first sliding rib and second sliding rib in the second spout, first sliding rib with the interlude bottom of second sliding rib is provided with first rack and second rack respectively, first retaining member with second retaining member damping rotation respectively connects first locating seat with on the second locating seat, first retaining member with the tip of second retaining member extends to respectively first spout with just be provided with first gear and second gear in the second spout respectively, first gear with second gear respectively one-to-one with first rack with the meshing of second rack.

Optionally, the loading board is provided with a first end face and a second end face which are symmetrical up and down, a groove is formed in the first end face, a plurality of air holes penetrating through the bottom wall of the groove to the second end face are formed in the bottom wall of the groove, a heat dissipation fan is arranged on the second end face and located at a position corresponding to the groove, and an output end of the heat dissipation fan faces towards the air holes.

Optionally, a butting block for butting against the laptop is arranged at the edge of the bearing plate, the butting block is arranged in a structure of a type of 21274, the bottom of the butting block is connected to the second end face, and the upper end of the butting block extends to above the first end face.

Optionally, the first clamping and supporting mechanism comprises a first supporting leg and a second supporting leg which are arranged in different planes, the upper end of the first supporting leg is rotatably connected to the middle position of the second supporting leg, and the upper end of the second supporting leg is rotatably connected with the first rotating shaft; the second opening and closing support mechanism comprises a third supporting leg and a fourth supporting leg which are arranged in different surfaces, the upper end of the third supporting leg is rotatably connected to the middle position of the fourth supporting leg, and the upper end of the fourth supporting leg is rotatably connected with the first rotating shaft; one herringbone rotating support locking mechanism is arranged between the first support leg and the second support leg and used for fixing the rotating angle of the first support leg, and the other herringbone rotating support locking mechanism is arranged between the third support leg and the fourth support leg and used for fixing the rotating angle of the third support leg.

One or more technical schemes in the portable folding computer desk provided by the embodiment of the invention at least have one of the following technical effects: this folding principle of portable folding desk: shifting a limiting block, and sliding along the clamping groove to be far away from the limiting seat until the end part of the clamping block can be separated from the key groove; starting a driving source to drive the first rotating shaft to rotate, and driving the bearing plate to rotate through the positioning mechanism until the bearing plate is parallel to the length directions of the first opening and closing supporting mechanism and the second opening and closing supporting mechanism; the first opening and closing supporting mechanism and the second opening and closing supporting mechanism are respectively unlocked through two groups of herringbone rotating support locking mechanisms, so that the opening and closing ends of the first opening and closing supporting mechanism and the second opening and closing supporting mechanism are in a closed state; compared with the technical problems of fixed structure, adoption of screw fixing installation, troublesome disassembly and assembly, inconvenience in carrying and low practicability of the computer desk in the prior art, the portable folding computer desk provided by the embodiment of the invention adopts a small part clamping structure to realize effective rotation of the bedplate, is favorable for adjusting the inclination angle of the bedplate, can directly rotate the bedplate to a vertical angle when the computer desk is carried, is coplanar with a support leg structure, effectively improves the disassembly and assembly convenience of the computer desk, further improves the practicability of the computer desk, and is favorable for enterprise development.

In order to achieve the above object, an embodiment of the present invention provides a computer desk folding method, which is performed by the portable folding computer desk, and includes the following steps:

s100: a limiting block is shifted and slides along the clamping groove to be far away from the limiting seat until the end part of the clamping block can be separated from the key groove;

s200: starting a driving source to drive the first rotating shaft to rotate, and driving the bearing plate to rotate through the positioning mechanism until the bearing plate is parallel to the length directions of the first opening and closing supporting mechanism and the second opening and closing supporting mechanism;

s300: and the first opening and closing supporting mechanism and the second opening and closing supporting mechanism are respectively unlocked through two groups of herringbone rotating support locking mechanisms, so that the opening and closing ends of the first opening and closing supporting mechanism and the second opening and closing supporting mechanism are in a closed state.

One or more technical solutions in the computer desk folding method provided by the embodiment of the invention have at least one of the following technical effects: compared with the technical problems of fixed structure, adoption of screw fixing installation, troublesome disassembly and assembly, inconvenience in carrying and low practicability of the computer desk in the prior art, the portable folding computer desk provided by the embodiment of the invention adopts a small part clamping structure to realize effective rotation of the bedplate, is favorable for adjusting the inclination angle of the bedplate, can directly rotate the bedplate to a vertical angle when the computer desk is carried, is coplanar with a support leg structure, effectively improves the disassembly and assembly convenience of the computer desk, further improves the practicability of the computer desk, and is favorable for enterprise development.

Drawings

In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings needed to be used in the embodiments or the prior art descriptions will be briefly described 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 based on these drawings without inventive exercise.

Fig. 1 is a schematic structural view of a portable foldable computer desk according to an embodiment of the present invention.

Fig. 2 is a schematic view of another angle of the portable folding computer desk in fig. 1.

Fig. 3 is an enlarged view of a in fig. 2.

Fig. 4 is a side view of the portable folding computer desk of fig. 2.

Fig. 5 is a schematic view of the portable foldable computer desk shown in fig. 4 after being folded.

Fig. 6 is a cut-away view of the portable folding computer desk of fig. 1.

Fig. 7 is an enlarged view of B in fig. 6.

Fig. 8 is a schematic structural diagram of a locking mechanism of a herringbone rotating bracket provided by the embodiment of the invention.

Fig. 9 is a schematic structural view of a herringbone rotary bracket locking mechanism according to another embodiment of the invention.

Fig. 10 is a flowchart of a folding manner of the computer desk according to the embodiment of the invention.

Fig. 11 is a flowchart of a locking method for a herringbone rotating bracket according to an embodiment of the present invention.

Wherein, in the figures, the respective reference numerals:

10-support means 20-carrying means 11-first tensioning support mechanism

12-second opening and closing support mechanism 13-rotary connecting mechanism 322-bar magnet

21 positioning mechanism 22 bearing plate 131 driving source

132-first rotating shaft 133-limiting block 134-limiting seat

135-bar key teeth 211-first positioning seat 212-second positioning seat

213-first retaining member 214-second retaining member 215-first folded extension panel

216-second bent extension board 217-first slide rib 218-second slide rib

221-groove 222-abutting block 111-first leg

112-second leg 121-third leg 122-fourth leg

30-connecting component 40-deflection fixing component 31-fixing seat

32-magnetic pole switching part 41-deflection part 42-connecting piece

411-swing arm 412-magnetic position-limiting piece 43-locking groove

321-rotating seat 14-herringbone rotating support locking mechanism.

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 or similar 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 to 11 are exemplary and intended to be used for explaining the embodiments of the present invention, and should not be construed as limiting the present 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 orientations and positional relationships indicated in the drawings only for the convenience of describing the embodiments of the present invention and to simplify the description, and are not intended to indicate or imply that the device or element so referred to must have a particular orientation, be constructed in a particular orientation, and be operated, and thus, are not to 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," "fixed," and the like are to be construed broadly, e.g., as being fixedly connected, detachably connected, or integrated; can be mechanically or electrically connected; they may be directly connected or indirectly connected through intervening media, or may be connected through the use of two elements or the interaction of two elements. Specific meanings of the above terms in the embodiments of the present invention can be understood by those of ordinary skill in the art according to specific situations.

In one embodiment of the present invention, as shown in fig. 1 to 11, there is provided a portable folding computer desk, which includes a supporting device 10 and a carrying device 20; the supporting device 10 comprises a first opening and closing supporting mechanism 11, a second opening and closing supporting mechanism 12, a rotary connecting mechanism 13 and herringbone rotating support locking mechanisms 14, the first opening and closing supporting mechanism 11 and the second opening and closing supporting mechanism 12 are symmetrically arranged at two ends of the rotary connecting mechanism 13, the number of the herringbone rotating support locking mechanisms 14 is two, the two groups of herringbone rotating support locking mechanisms 14 are respectively arranged at the opening and closing ends of the first opening and closing supporting mechanism 11 and the second opening and closing supporting mechanism 12 in a one-to-one correspondence manner, and the two groups of herringbone rotating support locking mechanisms 14 are respectively used for adjusting the opening and closing states of the opening and closing ends of the first opening and closing supporting mechanism 11 and the second opening and closing supporting mechanism 12; the bearing device 20 comprises a positioning mechanism 21 and a bearing plate 22, the positioning mechanism 21 is arranged at the output end of the rotary connecting mechanism 13, and the bearing plate 22 is arranged at the output end of the positioning mechanism 21 and is used for bearing a computer display; wherein, swivelling joint mechanism 13 includes driving source 131, first pivot 132, stopper 133 and spacing seat 134, first pivot 132 rotates to be connected first the support mechanism 11 that closes with the second opens and closes between the support mechanism 12, the one end of first pivot 132 is passed first the support mechanism 11 that closes and extends to the outside that first the support mechanism 11 that closes, evenly distributed has many edges on the middle section circumference lateral wall of first pivot 132 the bar key tooth 135 that the axial direction of first pivot 132 arranged, adjacent two the shaping has the keyway between the bar key tooth 135, the bottom of positioning mechanism 21 be provided with the tooth's socket that bar key tooth 135 key-connected, spacing seat 134 sets up on the lateral wall of first support mechanism 11 that closes, the one end of stopper 133 is provided with can the joint in arbitrary the latch in the keyway, the other end of stopper 133 is provided with the draw-in groove, the tip that first support mechanism 11 that opens and close is kept away from to stopper 134 is provided with the joint piece that is used for the joint of draw-in the draw-in groove, the output of driving source 131 with first pivot 132 connection drive.

Specifically, this folding principle of portable folding desk: a shifting limiting block 133 slides along the clamping groove to be far away from the limiting seat 134 until the end part of the clamping block can be separated from the key groove; starting a driving source 131, driving a first rotating shaft 132 to rotate, and driving the bearing plate 22 to rotate through the positioning mechanism 21 until the bearing plate 22 is parallel to the length directions of the first opening and closing supporting mechanism 11 and the second opening and closing supporting mechanism 12; the first opening and closing supporting mechanism 11 and the second opening and closing supporting mechanism 12 are respectively unlocked through two groups of herringbone rotating support locking mechanisms 14, so that the opening and closing ends of the first opening and closing supporting mechanism 11 and the second opening and closing supporting mechanism 12 are in a closed state; compared with the technical problems of fixed structure, screw fixing and installation, troublesome disassembly and assembly, inconvenience in carrying and low practicability of the computer desk in the prior art, the portable folding computer desk provided by the embodiment of the invention adopts the small part clamping structure to realize effective rotation of the bedplate, is favorable for adjusting the inclination angle of the bedplate, can directly rotate the bedplate to a vertical angle when the computer desk is carried, is coplanar with the support leg structure, effectively improves the disassembly and assembly convenience of the computer desk, further improves the practicability of the computer desk, and is favorable for enterprise development.

As shown in fig. 1 to 11, in another embodiment of the present invention, the positioning mechanism 21 includes a first positioning seat 211, a second positioning seat 212, a first locking member 213 and a second locking member 214, the first positioning seat 211 and the second positioning seat 212 are symmetrically keyed at two ends of the first rotating shaft 132, the first positioning seat 211 and the second positioning seat 212 are respectively provided with a first sliding slot and a second sliding slot on the opposite side walls, two ends of the carrier plate 22 are respectively provided with a first sliding shaft and a second sliding shaft for slidably fitting the first sliding slot and the second sliding slot in a one-to-one correspondence, the first locking member 213 and the second locking member 214 are respectively provided on the first positioning seat 211 and the second positioning seat 212, the first locking member 213 and the second locking member 214 are respectively provided on the first sliding slot and the second sliding slot for locking the first sliding shaft and the second sliding shaft, the first sliding slot and the second sliding slot are arranged in a coplanar manner with the carrier plate 22, and particularly, the positioning seat 22 is configured to facilitate the adjustment of the carrier plate 22, thereby facilitating the development of the positioning mechanism.

As shown in fig. 1 to 11, in another embodiment of the present invention, the first locking member 213 and the second locking member 214 are pre-tightening screws, the first sliding groove and the second sliding groove are respectively and correspondingly arranged on the first positioning seat 211 and the second positioning seat 212 in a penetrating manner, ends of the first sliding shaft and the second sliding shaft respectively extend to the outer side of the first sliding groove and the second sliding groove away from the bearing plate 22, the first sliding shaft and the second sliding shaft are respectively provided with threads, the first locking member 213 and the second locking member 214 are respectively and correspondingly and threadedly connected to the first sliding shaft and the second sliding shaft, and the pre-tightening screw structure is adopted to facilitate optimizing the structure of the first locking member 213 and the second locking member 214, so as to facilitate manufacturing and improve manufacturing efficiency of the portable folding computer desk.

As shown in fig. 1 to 11, in another embodiment of the present invention, upper sidewalls of the first positioning seat 211 and the second positioning seat 212 opposite to each other are respectively protruded to form a first bending extension plate 215 and a second bending extension plate 216; a first pressing component is arranged on the first bending extension plate 215, and an output end of the first pressing component downwards penetrates through the first bending extension plate 215 and abuts against the bearing plate 22 so as to press the end part of the bearing plate 22 on the bottom wall of the first sliding groove; be provided with the second on the extension board 216 that bends of second and compress tightly the subassembly, the output that the second compressed tightly the subassembly down passes extension board 216 that bends of second and butt loading board 22 is in order to compress tightly the tip of loading board 22 is in on the diapire of second spout, adopt hold-down mechanism to be favorable to improving the stability of loading board 22, prevent that loading board 22 from shaking when using the beat, influence user's use and experience.

In another embodiment of the present invention, as shown in fig. 1 to 11, the first pressing assembly includes a first lead screw and a first pressing plate, the first lead screw is rotatably connected to the first bending extension plate 215, and the bottom of the first lead screw passes through the first bending extension plate 215 and is rotatably connected to the first pressing plate; the second pressing assembly comprises a second screw rod and a second pressing plate, the second screw rod is rotatably connected to the second bending extension plate 216, and the bottom of the second screw rod penetrates through the second bending extension plate 216 and is rotatably connected with the second pressing plate; the quantity of first lead screw with the second lead screw is two sets of, and is two sets of first lead screw rotates respectively to be connected the both ends of first extension board 215 that bends, and is two sets of the second lead screw rotates respectively to be connected the both ends of second extension board 216 that bends, first lead screw with the top of second lead screw all is provided with the knob structure, and this simple structure is reasonable, and the effect is showing, is favorable to improving the preparation efficiency of portable folding desk.

As shown in fig. 1 to 11, in another embodiment of the present invention, the side walls of both ends of the carrier plate 22 are respectively formed with a first sliding rib 217 and a second sliding rib 218 protruding outwards for sliding connection in the first sliding slot and the second sliding slot, the bottom of the middle section of the first sliding rib 217 and the second sliding rib 218 is respectively provided with a first rack and a second rack, the first locking member 213 and the second locking member 214 are respectively connected to the first positioning seat 211 and the second positioning seat 212 in a damping manner, the end portions of the first locking member 213 and the second locking member 214 respectively extend into the first sliding slot and the second sliding slot and are respectively provided with a first gear and a second gear, the first gear and the second gear are respectively engaged with the first rack and the second rack in a one-to-one correspondence, and the sliding rib structure is favorable for guiding the carrier plate 22 to move along a preset direction, so as to prevent the carrier plate 22 from rotating and swinging, which affects use.

As shown in fig. 1 to 11, in another embodiment of the present invention, the supporting plate 22 has a first end surface and a second end surface that are symmetrical up and down, the first end surface is provided with a groove 221, a bottom wall of the groove 221 is provided with a plurality of air holes penetrating through the second end surface, the second end surface is provided with a cooling fan, the cooling fan is located at a position of the second end surface corresponding to the groove 221, an output end of the cooling fan is disposed toward the air holes, and the structure with the cooling fan is beneficial to reducing heat of a display or a laptop computer, so as to further improve the practicability of the portable foldable computer desk.

As shown in fig. 1 to 11, in another embodiment of the present invention, an abutting block 222 for abutting against the laptop computer is disposed at an edge position of the carrier plate 22, the abutting block 222 is disposed in a structure of a v 21274, a bottom of the abutting block 222 is connected to the second end surface, and an upper end of the abutting block 222 extends above the first end surface, which is beneficial for preventing the laptop computer on the carrier plate 22 from falling off.

In another embodiment of the present invention, the first clamping and supporting mechanism 11 includes a first leg 111 and a second leg 112, which are disposed in different planes, an upper end of the first leg 111 is rotatably connected to a middle position of the second leg 112, and an upper end of the second leg 112 is rotatably connected to the first rotating shaft 132; the second opening and closing support mechanism 12 includes a third supporting leg 121 and a fourth supporting leg 122 which are arranged in different planes, an upper end of the third supporting leg 121 is rotatably connected to a middle position of the fourth supporting leg 122, and an upper end of the fourth supporting leg 122 is rotatably connected to the first rotating shaft 132; in this embodiment, preferably, the first leg 111 and the third leg 121 are both provided with a recess for avoiding a space corresponding to the herringbone rotating frame locking mechanism 14, and the herringbone rotating frame locking mechanism 14 is disposed between the first leg 111 and the second leg 112 and used for fixing a rotating angle of the first leg 111, and the herringbone rotating frame locking mechanism 14 is disposed between the third leg 121 and the fourth leg 122 and used for fixing a rotating angle of the third leg 121.

As shown in fig. 1 to 11, another embodiment of the present invention provides a folding method of a computer desk, which is performed by the portable folding computer desk, comprising the following steps:

s100: a shifting limiting block 133 slides along the clamping groove to be far away from the limiting seat 134 until the end part of the clamping block can be separated from the key groove;

s200: starting a driving source 131, driving a first rotating shaft 132 to rotate, and driving the bearing plate 22 to rotate through the positioning mechanism 21 until the bearing plate 22 is parallel to the length directions of the first opening and closing support mechanism 11 and the second opening and closing support mechanism 12;

s300: the first opening and closing supporting mechanism 11 and the second opening and closing supporting mechanism 12 are respectively unlocked by two groups of herringbone rotating support locking mechanisms 14, so that the opening and closing ends of the first opening and closing supporting mechanism 11 and the second opening and closing supporting mechanism 12 are in a closed state.

Specifically, compared with the technical problems that the structure of the computer desk in the prior art is fixed, the computer desk is mounted fixedly through screws, the disassembly and the assembly are troublesome, the carrying is inconvenient, and the practicability is low.

In another embodiment of the present invention, as shown in fig. 1 to 11, the driving source 131 is a back wave hand wheel or handle for easy operation.

As shown in fig. 1 to 11, in another embodiment of the present invention, the herringbone rotating bracket locking mechanism 14 includes a connecting assembly 30 and a yaw fixing assembly 40, the connecting assembly 30 includes a fixing base 31 and a magnetic pole switching member 32, the fixing base 31 is disposed on the first leg 111 or the third leg 121, and the magnetic pole switching member 32 is disposed in the fixing base 31 and is used for adjusting the magnetic pole polarities at the upper end and the lower end of the fixing base 31; the deflection fixing assembly 40 comprises a deflection component 41 and a connecting piece 42, the connecting piece 42 is fixedly arranged on the second supporting leg 112 or the fourth supporting leg 122, one end of the deflection component 41 is rotatably connected with the connecting piece 42, and a locking groove 43 used for clamping the connecting assembly 30 is arranged at the free end of the deflection component 41; the swing component 41 includes a swing arm 411 and a magnetic position-limiting element 412, one end of the swing arm 411 is rotatably connected to the connecting assembly 30, the locking slot 43 is formed at the free end of the swing arm 411, the magnetic position-limiting element 412 is disposed in the locking slot 43, and the fixing base 31 and the connecting element 42 are located on the same side of all the legs.

Specifically, the operation principle of the herringbone rotating bracket locking mechanism 14 is as follows: rotating the swing arm 411 to align the locking slot 43 with the fixing seat 31; starting the magnetic pole switching component 32, and adjusting the magnetic pole polarities at the upper end and the lower end of the fixed seat 31, so that the magnetic pole polarity at the end of the fixed seat 31 close to the magnetic limiting component 412 and the end of the magnetic limiting component 412 are opposite magnetic poles; the magnetic limiting member 412 and the fixing base 31 are magnetically attracted to each other to fix the rotation angle of the swing arm 411 so as to maintain the distance between the two legs of the herringbone rotating bracket; compared with the technical problems that the herringbone rotating support locking unit in the prior art only adopts a hasp form, is complex in structure, general in effect and low in practicability, the herringbone rotating support locking mechanism 14 provided by the embodiment of the invention adopts a magnetic attraction principle, effectively maintains the rotating angle of the swing arm 411, further fixes the distance between two support legs of the herringbone rotating support, ensures the structural stability of the herringbone rotating support, improves the supporting effect and is beneficial to enterprise development.

As shown in fig. 1 to 11, in another embodiment of the present invention, the magnetic pole switching component 32 includes a rotating base 321 and a bar magnet 322, the rotating base 321 is rotatably connected in the fixed base 31, the bar magnet 322 is fixedly disposed in the rotating base 321, one end of the rotating base 321 extends to the outside of the fixed base 31, an anti-slip stripe for increasing the friction coefficient of the rotating base 321 is disposed on the sidewall of the end portion of the rotating base 321 extending to the outside of the fixed base 31, the rotating base 321 is rotated by a hand-screwing manner by using a structure of the rotating bar magnet 322, when a herringbone rotating bracket needs to be locked, the rotating base 321 is adjusted to make the polarities of the magnetic poles of the magnetic retaining pieces 412 at the nearest end in the bar magnet 322 opposite to each other, so as to generate a magnetic attraction force, which is beneficial to automatic locking and can maintain a locking effect; when the unlocking is required, the rotating base 321 is reset, so that the polarities of the magnetic poles of the magnetic limiting piece 412 at the nearest end in the bar magnet 322 are the same, a repulsive force is generated, the swing arm 411 is convenient to detach, and the convenience in detachment and installation is improved.

As shown in fig. 1 to 11, in another embodiment of the present invention, the number of the magnetic position-limiting members 412 is two, two sets of the magnetic position-limiting members 412 are symmetrically and rotatably connected to the inner wall of the locking slot 43, an abdicating slot for the magnetic position-limiting members 412 to swing and rotate is provided on the inner wall of the locking slot 43, an end surface capable of being closely fitted to the outer wall of the fixing base 31 is formed at an end of the magnetic position-limiting members 412 away from the inner wall of the locking slot 43, and the magnetic position-limiting members 412 rotate between the fixing base 31 and the abdicating slot, so that the magnetic attraction or repulsion effect can be further improved by using two sets of the magnetic position-limiting members 412, and the structural stability of the locking mechanism can be further improved.

As shown in fig. 1 to 11, in another embodiment of the present invention, the cross sections of the fixed seat 31 and the rotating seat 321 are both circular structures, the cross section of the magnetic position-limiting element 412 is arc-shaped strip structures, and the arc-shaped strip structures are concentrically arranged with the fixed seat 31 and the rotating seat 321, in other embodiments, the fixed seat 31 and the rotating seat 321 may be prism-shaped structures, the cross section of the magnetic position-limiting element 412 is bent strip structures, and the magnetic position-limiting element 412 and the fixed seat 31 are attached in a matched shape structure, which is beneficial to improving magnetic attraction force and enhancing locking effect.

As shown in fig. 1 to 11, in another embodiment of the present invention, the fixing base 31 is provided with a first mounting cavity and a second mounting cavity, the first mounting cavity is located above the second mounting cavity, the magnetic pole switching component 32 includes a cylindrical coil, a power supply, a switch and a cover plate, the cylindrical coil is vertically disposed in the first mounting cavity, the power supply is disposed in the second mounting cavity, the second mounting cavity is an open cavity, the cover plate is detachably covered on an open end of the second mounting cavity, the switch is disposed on a side wall of the fixing base 31, the power supply is electrically connected to the cylindrical coil through the switch, and when the magnetic limiting component 412 moves to abut against the fixing base 31, the cylindrical coil is aligned; specifically, the circular telegram coil can produce magnetic field, and the power gives the cylindricality coil current through the switch, makes the upper end and the lower extreme of cylindricality coil produce the opposite magnetic field of polarity, and this simple structure only needs can switch fixing base 31 polarity through the switch, and easy operation is favorable to improving this locking mechanism's practicality, the power is the battery, second installation cavity is the battery compartment.

As shown in fig. 1 to 11, in another embodiment of the present invention, the switch is a double-pole double-throw switch and is used to control the circuit to open and close or change the current direction of the cylindrical coil, and the double-pole double-throw switch is a commonly used technical forming and mature structure for changing the current direction of the circuit.

Another embodiment of the present invention, as shown in fig. 1-11, is a locking method for a herringbone rotating bracket, which is performed by the herringbone rotating bracket locking mechanism, and comprises the following steps:

s100: rotating the swing arm 411 to align the locking slot 43 with the fixing seat 31;

s200: starting the magnetic pole switching component 32, and adjusting the magnetic pole polarities at the upper end and the lower end of the fixed seat 31, so that the magnetic pole polarity at the end of the fixed seat 31 close to the magnetic limiting component 412 and the end of the magnetic limiting component 412 are opposite magnetic poles;

s300: the magnetic stopper 412 and the fixing base 31 are magnetically attracted to each other to fix the rotation angle of the swing arm 411 so as to maintain the distance between the two legs of the herringbone rotating bracket.

In the present embodiment, the two legs of the herringbone rotating bracket are the first leg 111 and the second leg 112, or the third leg 121 and the fourth leg 122, respectively.

Specifically, compared with the technical problems that the locking unit of the herringbone rotating bracket in the prior art only adopts a hasp form, the herringbone rotating bracket locking mechanism 14 provided by the embodiment of the invention adopts a magnetic suction principle, effectively maintains the rotating angle of the swing arm 411, further fixes the distance between two support legs of the herringbone rotating bracket, ensures the structural stability of the herringbone rotating bracket, improves the supporting effect, and is beneficial to enterprise development.

The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents and improvements made within the spirit and principle of the present invention are intended to be included within the scope of the present invention.

Claims

1. A portable folding computer desk, comprising:

the supporting device comprises a first opening and closing supporting mechanism, a second opening and closing supporting mechanism, a rotary connecting mechanism and herringbone rotary support locking mechanisms, wherein the first opening and closing supporting mechanism and the second opening and closing supporting mechanism are symmetrically arranged at two ends of the rotary connecting mechanism, the number of the herringbone rotary support locking mechanisms is two, the two herringbone rotary support locking mechanisms are respectively arranged at the opening and closing ends of the first opening and closing supporting mechanism and the second opening and closing supporting mechanism in a one-to-one correspondence manner, and the two herringbone rotary support locking mechanisms are respectively used for adjusting the opening and closing states of the opening and closing ends of the first opening and closing supporting mechanism and the second opening and closing supporting mechanism;

the bearing device comprises a positioning mechanism and a bearing plate, wherein the positioning mechanism is arranged at the output end of the rotary connecting mechanism, and the bearing plate is arranged at the output end of the positioning mechanism and is used for loading a computer display;

the rotary connecting mechanism comprises a driving source, a first rotating shaft, a limiting block and a limiting seat, the first rotating shaft is rotatably connected between the first opening and closing supporting mechanism and the second opening and closing supporting mechanism, one end of the first rotating shaft penetrates through the first opening and closing supporting mechanism and extends to the outer side of the first opening and closing supporting mechanism, a plurality of strip-shaped key teeth arranged along the axial direction of the first rotating shaft are uniformly distributed on the circumferential side wall of the middle section of the first rotating shaft, a key groove is formed between every two adjacent strip-shaped key teeth, a tooth groove connected with the strip-shaped key teeth is formed in the bottom of the positioning mechanism, the limiting seat is arranged on the side wall of the first opening and closing supporting mechanism, a clamping tongue capable of being clamped in any one key groove is arranged at one end of the limiting block, a clamping groove is arranged at the other end of the limiting seat, which is far away from the first opening and closing supporting mechanism, a clamping block used for clamping the clamping groove is arranged at the end of the limiting seat, and the output end of the driving source is in driving connection with the first rotating shaft;

positioning mechanism includes first locating seat, second locating seat, first retaining member and second retaining member, first locating seat with second locating seat ground of symmetry key joint is in the both ends of first pivot, first locating seat with the second locating seat each other is provided with first spout and second spout on the relative lateral wall respectively, the both ends of loading board respectively the one-to-one be provided with and is used for the slip adaptation first spout with the first smooth axle and the second smooth axle of second spout, first retaining member with the second retaining member sets up respectively first locating seat with on the second locating seat, first retaining member with the second retaining member respectively the one-to-one be used for locking first smooth axle with the second smooth axle is in first spout with on the second spout.

2. The portable folding computer desk of claim 1, wherein: first retaining member with the second retaining member is the pretension screw, first spout with the second spout sets up respectively with the one-to-one runs through first locating seat with on the second locating seat, first slide-bar with the tip of second slide-bar dorsad respectively the loading board extends to first spout with the outside of second spout, first slide-bar with all be provided with the screw thread on the second slide-bar, first retaining member with the second retaining member is respectively one-to-one threaded connection first slide-bar with on the second slide-bar, first slide-bar with the quantity of second slide-bar is two sets of at least respectively.

3. The portable folding computer desk of claim 1, wherein: the upper end side walls of the first positioning seat and the second positioning seat which are opposite to each other are respectively protruded to form a first bending extending plate and a second bending extending plate;

a first pressing assembly is arranged on the first bending extension plate, and an output end of the first pressing assembly penetrates through the first bending extension plate downwards and abuts against the bearing plate to press the end part of the bearing plate on the bottom wall of the first sliding groove;

the second bending extension plate is provided with a second pressing assembly, and the output end of the second pressing assembly downwards penetrates through the second bending extension plate and abuts against the bearing plate to press the end portion of the bearing plate on the bottom wall of the second sliding groove.

4. The portable folding computer desk of claim 3, wherein: the first pressing assembly comprises a first screw rod and a first pressing plate, the first screw rod is rotatably connected to the first bending extension plate, and the bottom of the first screw rod penetrates through the first bending extension plate and is rotatably connected with the first pressing plate;

the second pressing assembly comprises a second screw rod and a second pressing plate, the second screw rod is rotatably connected to the second bending extension plate, and the bottom of the second screw rod penetrates through the second bending extension plate and is rotatably connected with the second pressing plate;

the quantity of first lead screw with the second lead screw is two sets of, and is two sets of first lead screw rotates respectively to be connected the both ends of first extension board that bends, and is two sets of the second lead screw rotates respectively to be connected the both ends of second extension board that bends, first lead screw with the top of second lead screw all is provided with the knob structure.

5. The portable folding computer desk of claim 1, wherein: the both ends lateral wall of loading board is formed with toward outer arch respectively and is used for sliding connection first spout with first sliding rib and second sliding rib in the second spout, first sliding rib with the interlude bottom of second sliding rib is provided with first rack and second rack respectively, first retaining member with the second retaining member damping rotation respectively connects first locating seat with on the second locating seat, first retaining member with the tip of second retaining member extends to respectively first spout with just be provided with first gear and second gear in the second spout respectively, first gear with the second gear respectively one-to-one with first rack with the meshing of second rack.

6. The portable folding computer desk of claim 1, wherein: the bearing plate is provided with a first end face and a second end face which are symmetrical up and down, a groove is formed in the first end face, a plurality of air holes penetrating through the bottom wall of the groove to the second end face are formed in the bottom wall of the groove, a heat dissipation fan is arranged on the second end face and located at the position, corresponding to the groove, of the second end face, and the output end of the heat dissipation fan faces towards the air holes.

7. The portable folding computer desk of claim 6, wherein: a butting block for butting against the laptop is arranged at the edge of the bearing plate, the butting block is arranged in a structure of a type of 21274, the bottom of the butting block is connected to the second end face, and the upper end of the butting block extends to the position above the first end face.

8. The portable folding computer desk of claim 1, wherein: the first clamping and supporting mechanism comprises a first supporting leg and a second supporting leg which are arranged in different surfaces, the upper end of the first supporting leg is rotatably connected to the middle position of the second supporting leg, and the upper end of the second supporting leg is rotatably connected with the first rotating shaft;

the second opening and closing support mechanism comprises a third supporting leg and a fourth supporting leg which are arranged in different surfaces, the upper end of the third supporting leg is rotatably connected to the middle position of the fourth supporting leg, and the upper end of the fourth supporting leg is rotatably connected with the first rotating shaft; one herringbone rotating support locking mechanism is arranged between the first support leg and the second support leg and used for fixing the rotating angle of the first support leg, and the other herringbone rotating support locking mechanism is arranged between the third support leg and the fourth support leg and used for fixing the rotating angle of the third support leg.

9. A folding mode of a computer desk is characterized in that: performed by the portable folding computer desk of any one of claims 1-8, wherein: the method comprises the following steps: