CN210018387U - Desk convenient to transportation - Google Patents

Abstract

The utility model provides a desk convenient for transportation, which comprises a desk panel, desk drawer and four support table legs of installing below desk drawer below the desk panel, the desk drawer is formed by the concatenation between four planks and the desk panel, take tenon fourth of the twelve earthly branches structure concatenation between desk panel and the four planks, it has the support groove to support open the table leg bottom, support and install the permanent magnet on the inslot and the adjacent cell wall of desk drawer, the below of permanent magnet is provided with the removal stand, the top of removal stand is attracted fixedly by the permanent magnet, be connected with pressure device between the removal stand, pressure device drive removal stand reciprocates in supporting the inslot, the lower extreme interlude of removal stand has ejecting pulley, ejecting pulley stretches out under the drive of removal stand and supports the groove, make things convenient for student's transport with the help of ejecting pulley, set up simultaneously and support the groove and accomodate ejecting pulley, stability when improving.

Description

Desk convenient to transportation

Technical Field

The utility model relates to a teaching aid technical field especially relates to a desk convenient to transportation.

Background

When the desk is carried, the desk is large in mass and large in size, inconvenience is caused during carrying, particularly, physical strength of students is limited in a classroom in primary schools, the desk cannot be stably carried to a specified position, meanwhile, a large amount of paper and pen sundries can be usually placed on the desk, the paper and pen sundries are very easy to drop and cause unnecessary loss during carrying, in the prior art, the pulleys are usually additionally arranged at desk legs, sliding friction is converted into rolling friction, physical strength consumption is reduced, and after the pulleys are increased, the stability of the desk is reduced, and the problem of inconvenience in use is caused.

SUMMERY OF THE UTILITY MODEL

The to-be-solved technical problem of the utility model is: the desk is inconvenient to carry, and the stability of the desk can be influenced after the pulleys are additionally arranged.

The utility model provides a technical scheme that its technical problem adopted is: a desk convenient to transport comprises a desk panel, a desk drawer below the desk panel and four supporting desk legs arranged below the desk drawer, wherein the desk panel, the desk drawer and the supporting desk legs jointly form a basic structure of the desk, the desk drawer is formed by splicing four boards and the desk panel, the desk panel and the four boards are spliced by adopting a mortise-tenon structure, the supporting desk legs are spliced below the desk drawer by adopting the mortise-tenon structure, three parts of the desk are spliced by adopting the mortise-tenon structure, the assembly stress is smaller for wooden articles, a corresponding splicing mechanism is easy to process, a supporting groove is formed at the bottom of each supporting desk leg, a supporting groove is formed in each supporting desk leg, a mechanism for supporting the motion of the desk is arranged in each supporting groove, too many spaces are prevented from being occupied, collision is generated between the desk during transportation, and permanent magnets are arranged on the wall of each supporting groove and the wall adjacent to the desk drawer, the movable vertical column is arranged below the permanent magnet, the top end of the movable vertical column is attracted and fixed by the permanent magnet, the permanent magnet can fix the relative position between the movable vertical column and the support table legs, namely the movable vertical column and the support table legs can be replaced by a spring, the movable supporting column is prevented from being separated from the support groove by utilizing the elastic potential energy of the spring, a pressing device is connected between the movable vertical columns, the pressing device drives the movable vertical column to move up and down in the support groove, the pressing device and the permanent magnet are matched with each other to jointly adjust the position of the movable vertical column in the support groove and ensure that the movable vertical column is in a proper position in the support groove at any time, and an ejection pulley is inserted into the lower end of the movable vertical column and extends out of the.

Furthermore, the pressing device comprises a linkage rod, the linkage rod is fixedly connected between the adjacent moving stand columns, a limiting hole is formed in the middle of the linkage rod, a guide screw rod is inserted into the limiting hole in a matched mode, two regulating nuts are arranged on the circumferential surface of the guide screw rod in a matched mode, and the two regulating nuts are respectively arranged on the upper hole opening and the lower hole opening of the limiting hole.

Furthermore, the guide screw rod is fixedly installed below the desk drawer, a limiting block is arranged on the lower end face of the guide screw rod, and an integrally formed structure is formed between the limiting block and the guide screw rod.

Furthermore, the regulating nut comprises a nut body, the nut body is inserted on the threads of the guide screw rod in a matching mode, a plurality of boosting rods are arranged on the outer side of the nut body, one end of each boosting rod is connected to the nut body, the other end of each boosting rod is fixedly connected with a boosting ring, and the circle center of each boosting ring is located on the axis of the guide screw rod.

Furthermore, ejecting pulley with be connected with the dwang between the mobile column, ejecting pulley articulates the lower extreme at the dwang, the dwang alternates in the inside of mobile column.

Further, the lower extreme screw thread of removal stand alternates there is the linkage post, the top of dwang rotationally alternates in the inside of linkage post, the dwang bottom is connected with the connection frame, ejecting pulley articulates in the connection frame.

Further, be provided with between the top of linkage post and the removal stand and rotate the cavity, rotate and install spacing ring in the cavity, the volume of spacing ring is less than the volume of rotating the cavity, the cross-sectional diameter of spacing ring is greater than the cross-sectional diameter of linkage post, be the integrated into one piece structure between spacing ring and the linkage post.

Furthermore, the back of the desk drawer is fixedly provided with a hanging plate, and the hanging plate is sequentially and fixedly provided with a plurality of hooks which are uniformly arranged, a containing bag and a containing frame from top to bottom.

The beneficial effects of the utility model are that, set up the support groove in the table leg department of desk, when needing to carry the desk, with the help of biasing means with ejecting pulley expenditure support groove, lift the desk simultaneously, ejecting pulley replaces the table leg to support the desk after lifting, carry the desk simultaneously, sliding friction becomes rolling friction under ejecting pulley's effect, reduce coefficient of friction, save physical demands, and carry the completion back, accept ejecting pulley to supporting the inslot, the table leg supports the desk, stability when improving the desk use.

Drawings

The present invention will be further explained with reference to the drawings and examples.

FIG. 1 is a perspective view of a preferred embodiment of the desk of the present invention;

FIG. 2 is a front view of FIG. 1;

FIG. 3 is a left side view of FIG. 2;

FIG. 4 is a cross-sectional view taken along line A-A of FIG. 3;

in the figure: the desk comprises a desk panel-1, a desk drawer-2, supporting desk legs-3, supporting grooves-31, a rotating cavity-32, permanent magnets-4, a moving upright post-5, a pressure device-6, a linkage rod-61, a limiting hole-62, a guide screw rod-63, a regulating nut-64, a nut body-641, an assisting rod-642, an assisting ring-643, an ejecting pulley-7, a limiting block-8, a rotating rod-9, a linkage post-10, a connecting frame-11 and a hanging plate-14.

Detailed Description

Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are exemplary only for the purpose of explaining the present invention, and should not be construed as limiting the present invention. On the contrary, the embodiments of the invention include all changes, modifications and equivalents coming within the spirit and terms of the claims appended hereto.

As shown in figures 1 to 4, the utility model provides a desk convenient for transportation, which comprises a desk panel 1, a desk drawer 2 under the desk panel 1 and four supporting desk legs 3 arranged under the desk drawer 2, wherein the desk drawer 1, the desk drawer 2 and the supporting desk legs 3 jointly form the basic structure of the desk, the desk drawer 2 is formed by splicing four boards and the desk panel 1, the desk panel 1 and the four boards are spliced by adopting a mortise and tenon joint structure, the supporting desk legs 3 are also spliced under the desk drawer 2 by adopting a mortise and tenon joint structure, three parts of the desk are spliced by adopting the mortise and tenon joint structure, the assembly stress is smaller for wooden products, and corresponding splicing mechanisms are easy to process, supporting grooves 31 are arranged at the bottoms of the supporting desk legs 3, supporting grooves 31 are arranged in the supporting desk legs 3, the mechanisms for supporting the desk movement are arranged in the supporting grooves 31, the collision among the desks is prevented from occupying too much space during transportation, the permanent magnet 4 is arranged on the wall of the supporting groove 31 adjacent to the desk drawer 2, the moving upright post 5 is arranged below the permanent magnet 4, the top end of the moving upright post 5 is attracted and fixed by the permanent magnet 4, it can be understood that the permanent magnet 4 fixes the relative position between the moving upright post 5 and the supporting desk leg 3, namely the relative position can be replaced by a spring, the moving upright post is prevented from being separated from the supporting groove 31 by utilizing the elastic potential energy of the spring, a pressure applying device 6 is connected between the moving upright posts 5, the pressure applying device 6 drives the moving upright post 5 to move up and down in the supporting groove 31, the pressure applying device 6 and the permanent magnet 4 are mutually matched to jointly adjust the position of the moving upright post 5 in the supporting groove 31 to ensure that the moving upright post 5 is in the proper position in the supporting groove 31 at the moment, the ejecting pulley 7 is inserted, the ejection pulley 7 is driven by the moving upright 5 to extend out of the supporting groove 31.

When the desk needs to be carried, the movable upright post 5 is pressed downwards by the pressing device 6 to be away from the permanent magnet 4, so that the ejection pulley 7 is moved out of the support groove 31, after the ejection pulley 7 is contacted with the ground, the pressing device 6 continues to apply pressure, the height of the ejection pulley 7 relative to the ground is determined to be unchanged, the support table legs 3 drive the desk drawer 2 to ascend until the four support table legs 3 of the desk are completely away from the ground, the desk is further pushed or pulled to move, after the desk is moved to a specified position, the pressure applied by the pressing device 6 is reduced, the desk falls down gradually, the ejection pulley 7 is retracted into the support groove 31 under the traction of the movable upright post 5, and the carrying work of the desk is.

Preferably, the pressing device 6 comprises a linkage rod 61, the linkage rod 61 is fixedly connected between the adjacent moving upright columns 5, a limiting hole 62 is formed in the middle of the linkage rod 61, a guide screw 63 is inserted into the limiting hole 62 in a matched manner, two regulating nuts 64 are arranged on the circumferential surface of the guide screw 63 in a matched manner, and the two regulating nuts 64 are respectively arranged at the upper orifice and the lower orifice of the limiting hole 62. The linkage rod 61 is connected with the movable upright post 5, and the relative position of the linkage rod 61 on the guide screw rod 63 is adjusted through the rotation of the regulating nut 64, so that the relative position of the movable upright post 5 relative to the support groove 31 is changed.

Preferably, the guide screw 63 is fixedly installed below the desk drawer 2, the lower end face of the guide screw 63 is provided with a limiting block 8, and an integrally formed structure is formed between the limiting block 8 and the guide screw 63. The limiting block 8 prevents the adjusting nut below the linkage rod 61 from separating from the guide screw rod 63 and losing the adjusting function.

Preferably, the adjusting nut 64 includes a nut body 641, the nut body 641 is fittingly inserted on the thread of the guide screw 63, a plurality of assist rods 642 are disposed outside the nut body 641, one end of each assist rod 642 is connected to the nut body 641, the other end is fixedly connected to an assist ring 643, and the center of the assist ring 643 is located on the axis of the guide screw 63. The assisting ring 643 is rotated, the torque is transmitted to the nut body 641 through the assisting rod 642, the transmission torque between the nut body 641 and the guide screw 63 is increased, and the force for lifting the desk is further saved.

Preferably, the ejection pulley 7 and be connected with the dwang 9 between the mobile upright post 5, the ejection pulley 7 articulates the lower extreme at dwang 9, dwang 9 alternates in the inside of mobile upright post 5. The rotating rod 9 is connected with the ejection pulley 7 and the movable upright post 5, and the moving distance of the movable upright post 5 is transmitted to the ejection pulley 7 through the rotating rod 9, so that the energy loss in pressure transmission is ensured to be small.

Preferably, the lower end screw thread of the movable upright post 5 is inserted with the linkage post 10, the top end of the rotating rod 9 is rotatably inserted in the linkage post 10, the bottom end of the rotating rod 9 is connected with the connecting frame 11, and the ejection pulley 7 is hinged in the connecting frame 11. The lower end of the movable upright post 5 is provided with a connecting frame 11 and a linkage post 10, so that the rotating environment and the installation environment of the ejection pulley 7 are ensured.

Preferably, be provided with between the top of linkage post 10 and the removal stand 5 and rotate cavity 32, it installs spacing ring 12 in the cavity 32 to rotate, the volume of spacing ring 12 is less than the volume of rotating cavity 32, the cross-sectional diameter of spacing ring 12 is greater than the cross-sectional diameter of linkage post 10, be the integrated into one piece structure between spacing ring 12 and the linkage post 10. The limit ring 12 in the rotating cavity 32 fits against the bottom of the rotating cavity 32, i.e. prevents the linking post 10 from being disengaged from the inside of the supporting leg 3 during rotation, which would cause the ejecting pulley 7 to lose its function of assisting sliding.

Preferably, the back of the desk drawer 2 is fixedly provided with a hanging plate 14, and the hanging plate 14 is sequentially and fixedly provided with a plurality of hooks, accommodating bags and accommodating frames which are uniformly arranged from top to bottom. The back of the desk drawer 2 is provided with the hanging plate 14, the hanging plate 14 is fixedly provided with the hook, the accommodating bag and the accommodating frame, the accommodating capacity of the hanging plate 14 for desk sundries is improved, the sundries are accommodated into the hanging plate 14 when the desk is carried, and the damage rate of the desk sundries when the desk is carried is reduced.

The application method of the preferred embodiment in the above embodiment is that when the desk needs to be carried, firstly, sundries on the desk are accommodated on the hanging plate 14, then the assisting ring 643 below the linkage rod 61 is rotated, the nut body 641 is driven to rotate through the assisting rod 642 until the upper surface of the nut body 641 is attached to the upper surface of the limiting block 8, a space is provided for the linkage rod 61 to move downwards, then the assisting ring 643 above the linkage rod 61 is rotated, the adjusting nut 64 above the linkage rod 61 presses down the linkage rod 61 to drive the moving upright posts 5 at two ends of the linkage rod 61 to move downwards, so that the moving upright posts 5 are far away from the effective magnetic field range of the permanent magnet 4, meanwhile, the ejecting pulley 7 below the moving upright posts 5 moves downwards until the ejecting pulley abuts against the ground, the ring to be limited contacts the top end of the rotating cavity 32, the rotating resistance of the adjusting nut 64 is increased, the adjusting nut 64 continues to rotate, and the moving upright posts, the desk is gradually lifted off the ground, the ejection pulley 7 assists the desk to be carried, when the desk to be carried reaches a designated position, the regulating nut 64 is rotated reversely, the desk is put down, and the fixed out pulley is retracted into the supporting groove 31.

In light of the foregoing, it will be apparent to those skilled in the art from this disclosure that various changes and modifications can be made without departing from the spirit and scope of the invention. The technical scope of the present invention is not limited to the content of the specification, and must be determined according to the scope of the claims.

Claims (8)

1. The utility model provides a desk convenient to transportation, includes desk panel (1), desk panel (1) below desk drawer (2) and installs four support table leg (3) in desk drawer (2) below, desk drawer (2) are formed by the concatenation between four plank and desk panel (1), desk panel (1) with take the concatenation of mortise and tenon joint structure between four planks, support table leg (3) adopt the concatenation of mortise and tenon joint structure in the below of desk drawer (2) equally, its characterized in that: the novel desk is characterized in that a supporting groove (31) is formed in the bottom of each supporting desk leg (3), permanent magnets (4) are installed in the supporting groove (31) and on the adjacent groove walls of the desk drawer (2), a moving upright post (5) is arranged below each permanent magnet (4), the top end of each moving upright post (5) is attracted and fixed by the corresponding permanent magnet (4), a pressure applying device (6) is connected between the corresponding moving upright posts (5), the corresponding pressure applying device (6) drives the corresponding moving upright post (5) to move up and down in the corresponding supporting groove (31), ejection pulleys (7) are inserted into the lower end of each moving upright post (5), and the ejection pulleys (7) stretch out of the corresponding supporting groove (31) under the driving of the corresponding moving upright post (5.

2. A desk for facilitating transportation according to claim 1, wherein: the pressing device (6) comprises a linkage rod (61), the linkage rod (61) is fixedly connected between adjacent moving upright columns (5), a limiting hole (62) is formed in the middle of the linkage rod (61), a guide screw rod (63) is inserted into the limiting hole (62) in a matched mode, two regulating nuts (64) are arranged on the circumferential surface of the guide screw rod (63) in a matched mode, and the two regulating nuts (64) are arranged on an upper hole and a lower hole of the limiting hole (62) respectively.

3. A desk for facilitating transportation according to claim 2, wherein: the desk is characterized in that the guide screw rod (63) is fixedly arranged below the desk drawer (2), a limiting block (8) is arranged on the lower end face of the guide screw rod (63), and an integrally formed structure is formed between the limiting block (8) and the guide screw rod (63).

4. A desk for facilitating transportation according to claim 3, wherein: the adjusting and controlling nut (64) comprises a nut body (641), the nut body (641) is inserted on the threads of the guide screw rod (63) in a matching mode, a plurality of assisting rods (642) are arranged on the outer side of the nut body (641), one end of each assisting rod (642) is connected to the nut body (641), the other end of each assisting rod is fixedly connected with an assisting ring (643), and the circle center of each assisting ring (643) is located on the axis of the guide screw rod (63).

5. A desk convenient for transportation according to any one of claims 1 to 4 wherein: ejecting pulley (7) with be connected with dwang (9) between mobile column (5), ejecting pulley (7) articulate the lower extreme at dwang (9), dwang (9) alternate in the inside of mobile column (5).

6. The desk of claim 5, wherein the desk is adapted for easy transport, and comprises: the lower extreme screw thread interlude of removal stand (5) has linkage post (10), the top of dwang (9) is rotationally interlude in the inside of linkage post (10), dwang (9) bottom is connected with connection frame (11), ejecting pulley (7) articulate in connection frame (11).

7. The desk of claim 6, wherein the desk is adapted for easy transport, and comprises: be provided with between the top of linkage post (10) and the removal stand (5) and rotate cavity (32), rotate and install spacing ring (12) in cavity (32), the volume of spacing ring (12) is less than the volume that rotates cavity (32), the cross-sectional diameter of spacing ring (12) is greater than the cross-sectional diameter of linkage post (10), be the integrated into one piece structure between spacing ring (12) and linkage post (10).

8. A desk for facilitating transportation according to claim 1, wherein: the back of the desk drawer (2) is fixedly provided with a hanging plate (14), and the hanging plate (14) is sequentially and fixedly provided with a plurality of uniformly arranged hooks, accommodating bags and accommodating frames from top to bottom.

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