CN115633846A - Novel desk - Google Patents

Abstract

The invention discloses a novel desk, and particularly relates to the field of desks for teaching, which comprises a desk plate, wherein a drawer is fixedly arranged at the lower part of the desk plate, a supporting leg is fixedly arranged at each of the left side and the right side of the drawer, the lower parts of the two supporting legs are fixedly connected with a storage bin, a lifting mechanism is arranged in each storage bin, a moving mechanism is also arranged in each storage bin, and a lowering mechanism is arranged in each lifting mechanism. According to the novel desk, the kicking rods on the two sides are stepped on by feet, downward pressure is applied to the second trigger rod, the arc-shaped groove hooks the locking column, the two rollers are fixed, then the height of the novel desk is reduced by operating the lowering mechanism, the rollers support the novel desk, the purpose of enabling the desk to move conveniently is achieved, physical consumption of students in carrying the desk is reduced, meanwhile, the rollers of the desk can be freely retracted, and safety of the novel desk in use is improved.

Description

Novel desk

Technical Field

The invention relates to the field of desks for teaching, in particular to a novel desk.

Background

The desk is a desk for students to write or read, and plays an indispensable role in the learning process of the students, but the existing desk is usually simple in structure and can not meet the diversified requirements of the students more and more.

Chinese patent document CN203207507U discloses a telescopic and splicable movable desk, which comprises a desktop, telescopic desk legs, a splicing port, fixed desk legs and rollers, wherein the desktop is arranged on the telescopic desk legs which are connected with the fixed desk legs, the rollers are arranged below the fixed desk legs, the splicing port is arranged at the top ends of the fixed desk legs, and the height of the desktop can be adjusted through the telescopic desk legs, so that the height of the desk can be adjusted according to the difference of individual height and sitting height; the gyro wheel is installed to the bottom, and convenient the removal simultaneously, can utilize the concatenation mouth to realize the concatenation between a plurality of desks, nevertheless in the in-service use process, this desk can't pack up the gyro wheel, has influenced the security when desk normal use, and simultaneously, the elevation structure of this desk is not concrete, and it is inconvenient comparatively loaded down with trivial details probably when adjusting the desk height, consumes student's physical power simultaneously.

Disclosure of Invention

The invention mainly aims to provide a novel desk, which can effectively solve the problems that the roller of the existing novel desk cannot be folded safely and the height of the desk is not convenient to adjust.

In order to achieve the purpose, the invention adopts the technical scheme that:

a novel desk comprises a desk plate, wherein a drawer is fixedly arranged at the lower part of the desk plate, a supporting leg is fixedly arranged on each of the left side and the right side of the drawer, the lower parts of two supporting legs are fixedly connected with a containing bin, a lifting mechanism is arranged inside each containing bin, the upper part of each lifting mechanism is positioned inside the supporting leg, a moving mechanism is further arranged inside each containing bin, the moving mechanism is positioned on one side, away from the drawer, of each lifting mechanism, and a lowering mechanism is arranged inside each lifting mechanism;

the lifting mechanism comprises a square block, a bearing plate is fixedly connected to the bottom end of the square block, an equipment groove is formed in the square block, a contact opening is formed in the left side of the equipment groove, a gear is connected to the upper portion of the equipment groove in a rotating mode, gear teeth on the rear side of the gear penetrate through the contact opening, an axle center is formed in the middle of the gear, a ratchet wheel is fixedly connected to one side, away from a drawer, of the axle center of the gear, a first pawl is arranged on the front side of the ratchet wheel, a rotating center of the first pawl is provided with a rotating shaft, the rotating shaft is fixedly connected with the square block, a second pawl is arranged on the rear side of the ratchet wheel, an L-shaped block is further arranged on the rear side of the second pawl, a horizontal portion of the L-shaped block is rotatably connected with a rotating center of the second pawl, a pulling rod is fixedly connected to the inside of a vertical portion of the L-shaped block, a pulling spring is fixedly connected to the upper end of the pulling rod, a first fixing block is fixedly connected with one end, away from the gear, and fixedly connected with a pedal plate is fixedly connected to the bottom end of the square block.

Preferably, the middle parts of the two pedals on the two sides are fixedly connected with a first synchronizing shaft, the first synchronizing shaft penetrates through the two storage bins on the left side and the right side, and the outer wall of the first synchronizing shaft is rotatably connected with the two storage bins.

Preferably, transfer the mechanism and include the homing spring, homing spring fixed mounting is at the middle part of square piece, just the homing spring is located the upside of running-board, the front end fixedly connected with fixed block two of homing spring, the front end fixedly connected with atress piece of fixed block two, one side fixedly connected with connecting rod that the atress piece is close to square piece, square piece and fixedly connected with rotor plate are passed to the one end that the atress piece was kept away from to the spliced pole, the rotor plate is located the inside in equipment groove, the middle part of rotor plate is rotated and is connected with the rotation post, the one end and the square piece fixed connection of rotor plate are kept away from to the rotation post, the upper end of rotor plate is rotated and is connected with push rod one, the rear end of push rod one rotates and is connected with the dwang, one side fixedly connected with connecting rod of ratchet is kept away from to the middle part of dwang, the one end and the square piece fixed connection that the dwang was kept away from to the connecting rod, the lower extreme of dwang rotates and is connected with push rod two.

Preferably, one side of the middle part of the first push rod, which is close to the first pawl, is fixedly connected with a first push block, the first push block is positioned between the ratchet of the ratchet wheel and the first pawl, one side of the rear part of the second push rod, which is close to the second pawl, is fixedly connected with a second push block, and the second push block is positioned between the ratchet of the ratchet wheel and the second pawl.

Preferably, the outer wall of the rear side of the first push rod is connected with a first U-shaped block in a sliding mode, one side, far away from the ratchet, of the front portions of the two horizontal portions of the first U-shaped block is fixedly connected with a third fixed block, the outer wall of the front side of the second push rod is connected with a second U-shaped block in a sliding mode, one side, far away from the ratchet, of the rear portions of the two horizontal portions of the second U-shaped block is fixedly connected with a fourth fixed block, the two fixed blocks are located on two sides, a synchronizing shaft II is fixedly connected between the bottoms of the rotating plates together and penetrates through the two rectangular shells, the synchronizing shaft II is rotatably connected with the two rectangular shells, and a moving groove is formed in the position, close to the synchronizing shaft II, of the square block.

Preferably, the supporting leg includes the rectangle pole, the lift groove has been seted up to the lower part of rectangle pole, elevating system is located the lift inslot, the rear end fixed mounting in lift groove has the rack, the rack meshes with the teeth of a cogwheel of gear rear side, the front end fixed mounting in lift groove has the spout, the front end fixed mounting of square piece has the sliding block, spout and sliding block sliding connection, the top fixedly connected with buffer spring of square piece, buffer spring's top and the top fixed connection in lift groove.

Preferably, the storage bin comprises a rectangular shell, a square groove is formed in the middle of one side, away from the drawer, of the rectangular shell, and a third through groove is formed in the middle of one side, close to the drawer, of the rectangular shell.

Preferably, the moving mechanism comprises a first hinge and a second hinge, a fixed part of the first hinge is fixedly mounted at the front end of the inner cavity of the rectangular shell, a second trigger rod is fixedly connected to the lower end of a movable part of the first hinge, a first support rod is fixedly mounted at the bottom end of the middle part of the second trigger rod, a locking mechanism is arranged on one side, away from the lifting mechanism, of one end of the second trigger rod, away from the first hinge, and a kicking rod is fixedly mounted on one side, close to the locking mechanism, of the upper end of the second trigger rod;

the fixed part fixed mounting of hinge two is in the rear end of the inside cavity of rectangle shell, just the level of hinge two is less than hinge one, the lower extreme fixedly connected with trigger bar one of the movable part of hinge two, the bottom fixed mounting at the middle part of trigger bar one has bracing piece two, the length of bracing piece two is less than the length of bracing piece one, the lower extreme of bracing piece one and bracing piece two all rotates and is connected with a gyro wheel, one side that elevating system was kept away from to the one end that hinge two was kept away from to trigger bar one is equipped with the lock pin, one side fixed mounting that the upper end of trigger bar one is close to the lock pin has the knob.

Preferably, locking mechanical system is including triggering the piece, the middle part of triggering the piece rotates with the one end that the hinge one was kept away from to trigger bar two and is connected, the equal fixedly connected with of both sides positioning spring around the triggering the piece, two positioning spring keeps away from a locating piece of the equal fixedly connected with in one side of triggering the piece, two one side fixed connection that elevating system was kept away from to locating piece and trigger bar two, the lower extreme rear side of triggering the piece is seted up and is slided the bevel connection, the arc wall has been seted up at the lower extreme rear portion of triggering the piece.

Preferably, the upper end of the rectangular shell is respectively provided with a first passing groove and a second passing groove corresponding to the positions of the spherical handle and the kicking rod.

Compared with the prior art, the invention has the following beneficial effects:

1. when the novel desk works, the front part of the pedal on one side is repeatedly treaded by feet, the pulling rod is continuously pushed upwards by applying the connecting rod principle, the fixed L-shaped block pushes the pawl II upwards, and the pawl II pushes the ratchet wheel to rotate by the angle of one ratchet, so that the aim of continuously increasing the height of the desk is fulfilled; simultaneously, the first pushing block and the second pushing block push the first pawl and the second pawl away through the stress block on one side, the limitation of the first pushing block and the second pushing block on the ratchet wheel is removed, the desk pushes the ratchet wheel and the gear downwards to rotate under the action of gravity, the purpose of reducing the height of the desk is achieved, the desk can be suitable for students with different heights, and the functionality and the adaptability of the novel desk are improved.

2. This novel desk, behind this novel desk that rises, the accessible foot is stepped on the pole of playing of both sides, exerts a decurrent pressure for trigger lever two, lets the arc wall hook the lock pin, makes two gyro wheels fixed, then transfers the height that the mechanism reduced this novel desk through the operation, makes the gyro wheel atress support this novel desk, has realized the purpose that lets this desk conveniently remove, physical demands when having reduced student's transport desk, and the gyro wheel of this desk can freely receive and release simultaneously, has increased the security when this novel desk uses.

3. This novel desk, the operating condition of decline, removal all uses the mode that the foot stepped on to trigger, convenient operation has still reduced the student simultaneously and has carried, the frequency of bowing or squatting when going up and down the desk, has further reduced student's physical demands.

Drawings

FIG. 1 is a schematic diagram of the general overall structure of the present invention;

FIG. 2 is a schematic diagram of the overall movement of the present invention;

FIG. 3 is a schematic diagram of the overall heightened status of the present invention;

FIG. 4 is a schematic view of the overall internal structure of the present invention;

FIG. 5 is a cross-sectional view of the lift mechanism of the present invention;

FIG. 6 is an enlarged schematic view of the structure of FIG. 5A;

FIG. 7 is a schematic view of the lowering mechanism of the present invention;

FIG. 8 is an enlarged view of the structure of FIG. 7 at B according to the present invention;

FIG. 9 is a schematic view of the moving mechanism of the present invention;

FIG. 10 is an enlarged view of the structure of FIG. 9 at C;

FIG. 11 is a schematic view of the locking state of the moving mechanism according to the present invention;

fig. 12 is an enlarged view of D of fig. 11 according to the present invention.

In the figure: 2. supporting legs; 3. a storage bin; 4. a lifting mechanism; 5. a moving mechanism; 6. a lowering mechanism; 11. a table plate; 12. a drawer; 21. a rectangular bar; 22. a rack; 23. a chute; 31. a rectangular housing; 32. a square groove; 33. a first passing groove; 34. a second passing groove; 35. a third passing groove; 41. a square block; 42. a bearing plate; 43. a foot pedal; 44. a first synchronizing shaft; 45. pulling a rod; 46. a guide block; 47. a gear; 481. a ratchet wheel; 482. a first pawl; 483. a second pawl; 484. an L-shaped block; 485. a tension spring; 486. a first fixed block; 49. a buffer spring; 410. a moving groove; 411. a slider; 51. a first trigger rod; 52. a second trigger rod; 53. a roller; 54. a first hinge; 55. a second hinge; 56. a ball-shaped handle; 57. kicking the rod; 58. a locking mechanism; 581. a trigger block; 582. a positioning spring; 583. positioning a block; 584. an arc-shaped slot; 585. sliding the bevel opening; 59. a locking post; 61. a stress block; 62. a second synchronizing shaft; 631. a second fixing block; 632. a homing spring; 64. rotating the column; 651. a first push rod; 652. a first push block; 653. a first U-shaped block; 654. a third fixed block; 661. a second push rod; 662. a second push block; 663. a U-shaped block II; 664. a fourth fixed block; 671. rotating the rod; 672. connecting a stick; 68. a rotating plate; 69. the slot is moved.

Detailed Description

In order to make the technical means, the creation characteristics, the achievement purposes and the effects of the invention easy to understand, the invention is further described with the specific embodiments.

Example one

As shown in fig. 1-4, the embodiment discloses a novel desk, which includes a desk board 11, a drawer 12 is fixedly mounted on the lower portion of the desk board 11, a supporting leg 2 is fixedly mounted on each of the left and right sides of the drawer 12 for supporting the desk, a storage bin 3 is fixedly connected to the lower portion of each of the two supporting legs 2, a lifting mechanism 4 is disposed inside each storage bin 3, the lifting mechanism 4 can control the lifting of the desk according to requirements, the upper portion of the lifting mechanism 4 is located inside the supporting leg 2, a moving mechanism 5 is further disposed inside each storage bin 3, the moving mechanism 5 can be lowered after the lifting mechanism 4 lifts the desk, the moving mechanism 5 is located on one side of the lifting mechanism 4 away from the drawer 12, and a lowering mechanism 6 is disposed inside the lifting mechanism 4;

in order to realize the purpose of freely lifting the desk according to the requirement, as shown in fig. 4-6, the lifting mechanism 4 comprises a square block 41, the bottom end of the square block 41 is fixedly connected with a bearing plate 42, the bearing plate 42 can increase the contact area between the lifting mechanism 4 and the ground when lifting the desk, and reduce the damage rate of components, the square block 41 is internally provided with an equipment groove for installing the lifting mechanism 4 and part of the moving mechanism 5, the left side of the equipment groove is provided with a contact port, the upper part of the equipment groove is rotatably connected with a gear 47, the gear teeth at the rear side of the gear 47 pass through the contact port, because the lower part of the rectangular rod 21 is provided with a lifting groove, the rear end of the lifting groove is fixedly provided with a rack 22, and the rack 22 is meshed with the gear teeth at the rear side of the gear 47, when the gear 47 rotates, the rack 22 can be pushed upwards, thereby pushing the supporting leg 2, the desk plate 11 and the drawer 12, and realizing the purpose of lifting, in order to control the lifting height of the desk, the middle part of the gear 47 is provided with an axis, one side of the axis of the gear 47, which is far away from the drawer 12, is fixedly connected with a ratchet 481, therefore, the gear 47 can be driven by rotating the ratchet 481, the front side of the ratchet 481 is provided with a pawl 482, the pawl 482 is prevented from rotating and descending, the rotating center of the pawl 482 is provided with a rotating shaft I, the rotating shaft I is fixedly connected with a square block 41, the rear side of the ratchet 481 is provided with a pawl 483 for pushing the ratchet 481, the rear side of the pawl 483 is provided with an L-shaped block 484, the horizontal part of the L-shaped block 484 is rotatably connected with the rotating center of the pawl 483, torsion springs are arranged inside the rotating centers of the pawl 482 and the pawl 483, the pawl 483 can rotate to the original angle, the pulling rod 45 is fixedly connected inside the vertical part of the L-shaped block 484, the pulling rod 45 passes through the inside of the vertical part 484 of the pawl 483, the upper end of the pulling rod 45 is fixedly connected with a tension spring 485, the upper end of the tension spring 485 is fixedly connected with a first fixed block 486, and one end, far away from the gear 47, of the first fixed block 486 is fixedly connected with the square block 41, therefore, the pulling rod 45 is pushed upwards, a second pawl 483 can be pushed through an L-shaped block 484 fixed with the pulling rod 45, the second pawl 483 can push the ratchet 481 to rotate by an angle of one ratchet, after the force pushing the pulling rod 45 is released, the resilience force of the tension spring 485 can push the L-shaped block 484 and the pulling rod 45 to return to the original position, at the moment, the second pawl 483 can return to the initial state, the pulling rod 45 is continuously pushed upwards and released, the ratchet 481 can be continuously rotated and drives the gear 47, the middle of the pulling rod 45 is slidably connected with a guide block 46, the guide block 46 is used for limiting the moving track of the pulling rod 45 moving up and down, one end, far away from the gear 47, of the guide block 46 is fixedly connected with the square block 41, the bottom end of the pulling rod 45 is fixedly connected with a pedal 43, the front end of the lifting groove 23 is fixedly connected with a sliding block 411, a sliding block 23 is fixedly installed at the front of the square block 41, and a sliding block 411 is fixedly installed at the front end of the sliding block 411.

Furthermore, the middle parts of the two pedals 43 at the two sides are fixedly connected with a first synchronizing shaft 44, the first synchronizing shaft 44 penetrates through the two storage bins 3 at the left and right sides, and the outer wall of the first synchronizing shaft 44 is rotatably connected with the two storage bins 3, so that the front parts of the pedals 43 are repeatedly trodden by feet, the pulling rod 45 is continuously pushed upwards and loosened by applying a connecting rod principle, the ratchet 481 is continuously rotated and the gear 47 is driven, meanwhile, the pedals 43 at the other side are driven by the first synchronizing shaft 44, the pulling rod 45 is pushed upwards, the force provided by the gears 47 at the two sides of the desk is balanced, and the desk is continuously heightened.

Therefore, the specific implementation manner of this embodiment is: when the novel desk is in work, the front part of the pedal 43 on one side is treaded by feet, the pulling rod 45 is continuously pushed upwards by applying a connecting rod principle, the fixed L-shaped block 484 pushes the pawl two 483 upwards, the pawl two 483 pushes the ratchet 481 to rotate by an angle of one ratchet, after the feet are loosened, the resilience force of the tension spring 485 can push the L-shaped block 484 and the pulling rod 45 to return to the original position, the pawl two 483 can also return to the initial state at the moment, the purpose of increasing the height of the desk is achieved, the front part of the pedal 43 is treaded continuously and repeatedly, and the height of the desk can be continuously increased.

Example two

In this embodiment, the lifting mechanism 4 is further improved on the basis of the first embodiment, so that the lifting mechanism 4 can be lowered after lifting the desk, as shown in fig. 7-8, the lowering mechanism 6 includes a return spring 632, the return spring 632 is fixedly installed in the middle of the square block 41, the return spring 632 is located on the upper side of the pedal 43, the front end of the return spring 632 is fixedly connected with a second fixed block 631, the front end of the second fixed block 631 is fixedly connected with a stressed block 61, one side of the stressed block 61 close to the square block 41 is fixedly connected with a connecting rod, one end of the connecting rod far from the stressed block 61 penetrates through the square block 41 and is fixedly connected with a rotating plate 68, the rotating plate 68 is located inside the equipment slot, the middle of the rotating plate 68 is rotatably connected with a rotating column 64, so that the stressed block 61 is stepped by a foot, the stressed block 61 is pushed backwards, and the lower portion of the rotating plate 68 is driven by the connecting rod to rotate backwards around the rotating column 64, the upper part of the rotating plate 68 can rotate forwards, one end of the rotating column 64, which is far away from the rotating plate 68, is fixedly connected with the square block 41, the upper end of the rotating plate 68 is rotatably connected with a first push rod 651, when the upper part of the rotating plate 68 rotates forwards, the first push rod 651 can be pulled forwards, the rear end of the first push rod 651 is rotatably connected with a rotating rod 671, one side, which is far away from the ratchet 481, of the middle part of the rotating rod 671 is fixedly connected with a connecting rod 672, a torsion spring is installed in the connecting rod 672, one end, which is far away from the rotating rod 671, of the connecting rod 672 is fixedly connected with the square block 41, the rotating rod 671 can rotate around the connecting rod 672 when the first push rod 651 is pulled forwards through a connecting rod, the lower end of the rotating rod 671 is rotatably connected with a second push rod 661, the second push rod 661 can be pushed backwards, when the foot is loosened, the stressed block 61 can rebound to the initial position under the influence of the elastic force of the second fixed block 631, and 611 and push-bar two 661 are pulled back to the origin by the above structure.

In order to limit the first push rod 651 and the first push block 652, as shown in fig. 7-8, a first U-shaped block 653 is slidably connected to an outer wall of the rear side of the first push rod 651, so that the first push rod 651 only moves back and forth when moving, a third fixed block 654 is fixedly connected to each of front sides of two horizontal portions of the first U-shaped block 653, which are far away from the ratchet 481, and used for fixing, a second U-shaped block 663 is slidably connected to an outer wall of the front side of the second push rod 661, so that the second push rod 661 only moves back and forth when moving, a fourth fixed block 664 is fixedly connected to each of rear sides of the two horizontal portions of the second U-shaped block 663, which are far away from the ratchet 481, a second synchronous shaft 62 is fixedly connected between bottoms of the rotating plates 68 at both sides, the second synchronous shaft 62 passes through the two rectangular outer casings 31, the second synchronous shaft 62 is rotatably connected with the two rectangular outer casings 31, and a moving groove 410 is formed in a position of the second square block 41, which is close to the second synchronous shaft 62, so that when the force-applied block 61 at one side of the foot is stepped on, the other side, the force-applied block 61 can push the force-applied block 61 backwards through the other side backwards through the synchronous shaft second synchronous shaft 62.

In order to reduce the height of the desk, further, a first push block 652 is fixedly connected to one side of the middle part of the first push rod 651 close to the first pawl 482, the first push block 652 is located between the ratchet teeth of the ratchet 481 and the first pawl 482, therefore, when the force receiving block 61 is stepped on by a foot, the first push rod 651 is pushed forwards and pushes the first pawl 482 away through the first push block 652 to release the limitation on the ratchet 481, a second push block 662 is fixedly connected to one side of the rear part of the second push rod 661 close to the second pawl 483, the second push block 662 is located between the ratchet teeth of the ratchet 481 and the second pawl 483, the second push rod 661 is pushed backwards and pushes the second pawl 483 away through the second push block 662 to release the limitation on the ratchet 481, at this time, the ratchet 481 and the gear 47 can rotate, and at this time, the desk board 11, the drawer 12 and the supporting leg 2 push the ratchet 481 and the gear 47 downwards through the rack 22 to rotate under the action of gravity, thereby achieving the purpose of descending.

In order to prevent the desk and the internal components thereof from being damaged when falling down, as shown in fig. 5, the top end of the square block 41 is fixedly connected with a buffer spring 49, the top end of the buffer spring 49 is fixedly connected with the top end of the lifting groove, and when falling down, a part of pressure can be distributed to the buffer spring 49 to achieve the buffering effect.

Therefore, the specific implementation manner of this embodiment is: when the desk works, the synchronous shaft II 62 drives the stress block 61 on the other side to push backwards by stepping on the stress block 61 on one side, the connecting rod drives the rotating plate 68 to rotate around the rotating column 64, the upper part of the rotating plate 68 pulls the push rod I651 forwards, the push block I652 pushes the pawl I482 away, the limit of the pawl I on the ratchet 481 is released, the rotating rod 671 rotates around the connecting rod 672, the push rod II 661 pushes backwards, the push block II 662 pushes the pawl II 483 away, the limit of the pawl II on the ratchet 481 is released, and at the moment, the desk plate 11, the drawer 12 and the supporting leg 2 push the ratchet 481 and the gear 47 to rotate downwards through the rack 22 under the action of gravity, so that the purpose of descending the desk is achieved.

EXAMPLE III

In the embodiment, the whole desk is further improved on the basis of the first embodiment and the second embodiment so as to be convenient to move, as shown in fig. 9 to 12, the moving mechanism 5 includes a first hinge 54 and a second hinge 55, the middle portions of the first hinge 54 and the second hinge 55 are rotatable, the fixed portion of the first hinge 54 is fixedly mounted at the front end of the internal cavity of the rectangular shell 31, the lower end of the movable portion of the first hinge 54 is fixedly connected with a second trigger rod 52, the bottom end of the middle portion of the second trigger rod 52 is fixedly mounted with a first support rod, one end of the second trigger rod 52, which is far away from the first hinge 54, far away from the lifting mechanism 4 is provided with a locking mechanism 58, the locking mechanism 58 is in the shape of a barb for locking a locking column 59, and one side of the upper end of the second trigger rod 52, which is near to the locking mechanism 58, is fixedly mounted with a kick rod 57. For triggering the structure; the fixed part of the second hinge 55 is fixedly mounted at the rear end of the inner cavity of the rectangular shell 31, the horizontal height of the second hinge 55 is lower than that of the first hinge 54, the lower end of the movable part of the second hinge 55 is fixedly connected with a first trigger rod 51, a second support rod is fixedly mounted at the bottom end of the middle part of the first trigger rod 51, the length of the second support rod is smaller than that of the first support rod, the lower ends of the first support rod and the second support rod are rotatably connected with a roller 53, when the device is placed on the ground, the roller 53 is pushed upwards by the thrust of the ground to be in a state shown in fig. 9, a locking column 59 is arranged on one side, away from the lifting mechanism 4, of one end, away from the second hinge 55, of the first trigger rod 51, the outline of the locking column 59 corresponds to the arc-shaped groove 584, a spherical handle 56 is fixedly mounted on one side, close to the locking column 59, of the upper end of the first trigger rod 51, parallel to the second trigger rod 52, the first support rods and the second support rods 53 are perpendicular to the ground.

In order to lock the first trigger rod 51 and the second trigger rod 52, the roller 53 is lowered and exposed from the bottom of the storage bin 3, as shown in fig. 10, the locking mechanism 58 comprises a trigger block 581, the middle part of the trigger block 581 is rotatably connected with one end of the second trigger rod 52 away from the first hinge 54, the front side and the rear side of the trigger block 581 are fixedly connected with a positioning spring 582, so that the trigger block 581 keeps an original state when not stressed, one side of the two positioning springs 582 away from the trigger block 581 is fixedly connected with a positioning block 583 for fixing a position, the two positioning blocks 583 are fixedly connected with one side of the second trigger rod 52 away from the lifting mechanism 4, a sliding inclined opening 585 is arranged at the rear side of the lower end of the trigger block 581, and the sliding inclined opening 585 is in contact with the locking column 59 when the desk is in an inoperative state, the first trigger rod 51 will naturally droop under gravity, but the sliding inclined opening 585 on one side of the second trigger rod 52 will be blocked by the locking post 59 and only partially descend, if the desk descends, the first trigger rod 51 and the second trigger rod 52 will be pushed back to the inside of the storage bin 3 by the ground, the rear part of the lower end of the trigger block 581 is provided with an arc-shaped slot 584, the profile of which is consistent with that of the locking post 59, therefore, when the desk ascends, a foot is used to step on the kick rod 57, a downward pressure is applied to the second trigger rod 52, so that the locking mechanism 58 slides down along the sliding inclined opening 585 until the first trigger rod 51 and the second trigger rod 52 are parallel, at this time, the trigger block 581 will be pushed by the elastic force of the positioning springs 582 on both sides, so that the arc-shaped slot 584 hooks the locking post 59, and the first trigger rod 51 and the second trigger rod 52 are locked, thereby achieving the purpose of fixing the two rollers 53.

Further, as shown in fig. 3, the storage bin 3 includes a rectangular housing 31, a square groove 32 is formed in the middle of one side of the rectangular housing 31, which is far away from the drawer 12, a through groove three 35 is formed in the middle of one side of the rectangular housing 31, which is close to the drawer 12, so that when the first synchronizing shaft 44 and the second synchronizing shaft 62 move up and down, a through groove one 33 and a through groove two 34 are formed in the positions, which correspond to the spherical handle 56 and the kick rod 57, of the upper end of the rectangular housing 31, so that the through groove one 33 and the through groove two 34 pass through, when the first trigger rod 51 and the second trigger rod 52 need to be loosened, the trigger block 581 needs to be stirred by extending one hand from the square groove 32, and the spherical handle 56 is pulled by another hand at the same time, so that the retracting movement mechanism 5 can be unlocked.

Therefore, the specific implementation manner of this embodiment is: when the desk works, the kicking rod 57 can be stepped by a foot to apply downward pressure to the second trigger rod 52, so that the locking mechanism 58 slides downwards along the sliding inclined opening 585 until the first trigger rod 51 is parallel to the second trigger rod 52, and the two rollers 53 are exposed out of the bottom of the rectangular shell 31, at the moment, the trigger block 581 can be pushed by the elastic force of the positioning springs 582 on the two sides, the arc-shaped groove 584 hooks the locking column 59, the first trigger rod 51 and the second trigger rod 52 are locked, the purpose of fixing the two rollers 53 is achieved, and the purpose of enabling the desk to move conveniently is achieved.

The foregoing shows and describes the general principles and features of the present invention, together with the advantages thereof. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are described in the specification and illustrated only to illustrate the principle of the present invention, but that various changes and modifications may be made therein without departing from the spirit and scope of the present invention, which fall within the scope of the invention as claimed. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims (10)

1. The utility model provides a novel desk, includes table (11), its characterized in that: a drawer (12) is fixedly mounted at the lower part of the table plate (11), one supporting leg (2) is fixedly mounted on each of the left side and the right side of the drawer (12), the lower parts of the two supporting legs (2) are fixedly connected with one storage bin (3), a lifting mechanism (4) is arranged in each storage bin (3), the upper part of each lifting mechanism (4) is located in each supporting leg (2), a moving mechanism (5) is further arranged in each storage bin (3), the moving mechanism (5) is located on one side, far away from the drawer (12), of each lifting mechanism (4), and a lowering mechanism (6) is arranged in each lifting mechanism (4);

the lifting mechanism (4) comprises a square block (41), a bearing plate (42) is fixedly connected to the bottom end of the square block (41), an equipment groove is formed in the square block (41), a contact port is formed in the left side of the equipment groove, a gear (47) is rotatably connected to the upper portion of the equipment groove, gear teeth on the rear side of the gear (47) penetrate through the contact port, an axis is arranged in the middle of the gear (47), a ratchet wheel (481) is fixedly connected to one side, away from the drawer (12), of the axis of the gear (47), a pawl I (482) is arranged on the front side of the ratchet wheel (481), a rotating shaft is arranged at the rotating center of the pawl I (482), the rotating shaft is fixedly connected with the square block (41), a pawl II (483) is arranged on the rear side of the gear (47), an L-shaped block (483) is further arranged on the rear side of the pawl II (483), the horizontal portion of the L-shaped block (483) is rotatably connected with the rotating center of the pawl II (483), a pulling rod (45) is fixedly connected with the inner portion of the pulling portion of the L-shaped block (484), a pulling portion, the upper end of the pulling rod (45) is fixedly connected with a spring (486) which is fixedly connected with a sliding rod (486), a sliding rod (486) which is connected with a spring (486), a sliding block (486) is fixedly connected with a first fixing block (485) which is connected with a first fixing spring (486), one end, far away from the gear (47), of the guide block (46) is fixedly connected with the square block (41), and the bottom end of the pulling rod (45) is fixedly connected with a pedal (43).

2. The novel desk of claim 1, wherein: the middle parts of the two pedals (43) on the two sides are fixedly connected with a first synchronizing shaft (44) together, the first synchronizing shaft (44) penetrates through the two storage bins (3) on the left side and the right side, and the outer wall of the first synchronizing shaft (44) is rotatably connected with the two storage bins (3).

3. The novel desk of claim 1, wherein: the lowering mechanism (6) comprises a return spring (632), the return spring (632) is fixedly arranged in the middle of the square block (41), the return spring (632) is positioned at the upper side of the pedal plate (43), the front end of the return spring (632) is fixedly connected with a second fixed block (631), the front end of the second fixing block (631) is fixedly connected with a stress block (61), one side of the stress block (61) close to the square block (41) is fixedly connected with a connecting rod, one end of the connecting column, which is far away from the stress block (61), penetrates through the square block (41) and is fixedly connected with a rotating plate (68), the rotating plate (68) is positioned inside the equipment groove, the middle part of the rotating plate (68) is rotatably connected with a rotating column (64), one end of the rotating column (64) far away from the rotating plate (68) is fixedly connected with the square block (41), the upper end of the rotating plate (68) is rotatably connected with a first push rod (651), the rear end of the first push rod (651) is rotatably connected with a rotating rod (671), one side of the middle part of the rotating rod (671) far away from the ratchet wheel (481) is fixedly connected with a connecting stick (672), one end of the connecting rod (672) far away from the rotating rod (671) is fixedly connected with the square block (41), the lower end of the rotating rod (671) is rotatably connected with a second push rod (661).

4. The novel desk of claim 3, wherein: one side, close to the pawl I (482), of the middle of the push rod I (651) is fixedly connected with a push block I (652), the push block I (652) is located between the ratchet of the ratchet wheel (481) and the pawl I (482), one side, close to the pawl II (483), of the rear portion of the push rod II (661) is fixedly connected with a push block II (662), and the push block II (662) is located between the ratchet of the ratchet wheel (481) and the pawl II (483).

5. The novel desk of claim 3, wherein: the outer wall of the rear side of the first push rod (651) is connected with a first U-shaped block (653) in a sliding mode, one side, far away from the ratchet wheel (481), of the front parts of two horizontal parts of the first U-shaped block (653) is fixedly connected with a third fixed block (654), the outer wall of the front side of the second push rod (661) is connected with a second U-shaped block (663) in a sliding mode, one side, far away from the ratchet wheel (481), of the rear parts of the two horizontal parts of the second U-shaped block (663) is fixedly connected with a fourth fixed block (664), the two sides of the two horizontal parts of the second U-shaped block are located between the bottoms of the rotating plates (68), a second synchronizing shaft (62) is fixedly connected with the two bottoms of the rotating plates (68) in a common mode, the second synchronizing shaft (62) penetrates through the two rectangular shells (31), the second synchronizing shaft (62) is rotatably connected with the two rectangular shells (31), and a moving groove (410) is formed in the position, close to the second synchronizing shaft (62), of the square block (41).

6. The novel desk of claim 1, wherein: supporting leg (2) are including rectangle pole (21), the lift groove has been seted up to the lower part of rectangle pole (21), elevating system (4) are located the lift inslot, the rear end fixed mounting in lift groove has rack (22), the wheel teeth engagement of rack (22) and gear (47) rear side, the front end fixed mounting in lift groove has spout (23), the front end fixed mounting of square piece (41) has sliding block (411), spout (23) and sliding block (411) sliding connection, the top fixedly connected with buffer spring (49) of square piece (41), the top of buffer spring (49) and the top fixed connection in lift groove.

7. The novel desk of claim 1, wherein: the storage bin (3) comprises a rectangular shell (31), a square groove (32) is formed in the middle of one side, away from the drawer (12), of the rectangular shell (31), and a through groove III (35) is formed in the middle of one side, close to the drawer (12), of the rectangular shell (31).

8. The novel desk of claim 7, wherein: the moving mechanism (5) comprises a first hinge (54) and a second hinge (55), a fixed part of the first hinge (54) is fixedly mounted at the front end of an inner cavity of the rectangular shell (31), a second trigger rod (52) is fixedly connected to the lower end of a movable part of the first hinge (54), a first support rod is fixedly mounted at the bottom end of the middle part of the second trigger rod (52), a locking mechanism (58) is arranged on one side, away from the lifting mechanism (4), of one end, away from the first hinge (54), of the second trigger rod (52), and a kicking rod (57) is fixedly mounted on one side, close to the locking mechanism (58), of the upper end of the second trigger rod (52);

fixed part fixed mounting in the rear end of the inside cavity of rectangle shell (31) of hinge two (55), just the level of hinge two (55) is less than hinge one (54), the lower extreme fixedly connected with trigger bar one (51) of the movable part of hinge two (55), the bottom fixed mounting at the middle part of trigger bar one (51) has bracing piece two, the length of bracing piece two is less than the length of bracing piece one, the lower extreme of bracing piece one and bracing piece two all rotates and is connected with one gyro wheel (53), one side that elevating system (4) were kept away from to the one end that hinge two (55) were kept away from in trigger bar one (51) is equipped with lock post (59), one side fixed mounting that the upper end of trigger bar one (51) is close to lock post (59) has ball handle (56).

9. The novel desk of claim 8, wherein: locking mechanical system (58) are including triggering piece (581), the one end rotation connection of hinge (54) is kept away from with trigger bar two (52) in the middle part of triggering piece (581), positioning spring (582) of the equal fixedly connected with in both sides around triggering piece (581), two positioning spring (582) are kept away from one side of triggering piece (581) and are all fixedly connected with one locating piece (583), two one side fixed connection of elevating system (4) is kept away from with trigger bar two (52) locating piece (583), the lower extreme rear side of triggering piece (581) is seted up and is equipped with slip bevel connection (585), arc wall (584) have been seted up to the lower extreme rear portion of triggering piece (581).

10. The novel desk of claim 8, wherein: the upper end of the rectangular shell (31) is provided with a first passing groove (33) and a second passing groove (34) at positions corresponding to the spherical handle (56) and the kicking rod (57).

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