CN209660786U - A kind of Dual purpose desk - Google Patents

Abstract

The utility model belongs to teaching equipment technical field, in particular a kind of Dual purpose desk, including support component and adjust component, the support component includes roller supporting bar, universal wheel and lower reinforcement cross bar, the universal wheel is fixedly connected on the bottom surface of the roller supporting bar, the lower both ends for reinforcing cross bar are fixedly connected with the roller supporting bar, and the adjusting component includes table top support bar, telescopic rod, upper reinforcement cross bar and desktop；The utility model is in actual use, the adjusting that the desktop of support is raised and lowered, table top support bar is fixed using fixed pin after adjusting, to realize the adjustment of desktop different height, meets a variety of use demands, reduce the buying expenses of teaching equipment, desktop in actual use, can be used as demonstration board, increase the use function of desk by the utility model, and short-distance movement is carried out by universal wheel, the buying expenses of teaching equipment can also be reduced.

Description

A kind of Dual purpose desk

Technical field

The utility model belongs to teaching equipment technical field, and in particular to a kind of Dual purpose desk.

Background technique

Desk is desk used in student, since all directions table in earliest school, is used for school, the desk of school study It should be unified for desk, the functional dimension standard of desk-bench, main anthropological measuring data and special investigation according to China in recent years, It is proposed by the Ministry of Public Health, is promulgated by State General Administration for Quality Supervision in revised in 2002.

Existing technology has the following problems:

1, the structure of existing desk is relatively fixed, in actual use, student's height that not of the same grade section of school have compared with Big difference, and the height in student at the same level also has larger difference, school needs to buy the desk of a variety of different heights for student It uses, the purchase cost for educating equipment is higher.

2, the structure of existing desk is relatively fixed, in actual use, it is sometimes desirable to carry out learning outcome displaying or into The explanation of row learning Content, blackboard is relatively fixed, is unfavorable for the viewing of heel row student, and the desktop of desk can not rotate, and can not carry out It shows.

Utility model content

To solve the problems mentioned above in the background art.The utility model provides a kind of Dual purpose desk, has more function The characteristics of energy and height adjustment.

To achieve the above object, the utility model provides the following technical solutions: a kind of Dual purpose desk, including support component and Component is adjusted, the support component includes that roller supporting bar, universal wheel and lower reinforcement cross bar, the universal wheel are fixedly connected on institute The bottom surface of roller supporting bar is stated, the lower both ends for reinforcing cross bar are fixedly connected with the roller supporting bar, the adjusting component Including table top support bar, telescopic rod, upper reinforcement cross bar and desktop, the table top support bar is located at the top of the roller supporting bar Face, and the table top support bar is fixedly connected with the roller supporting bar, the telescopic rod is located at the lower top for reinforcing cross bar Face, and the telescopic rod is fixedly connected with the lower reinforcement cross bar, the upper both ends for reinforcing cross bar and the table top support bar It is fixedly connected, the desktop is located at the top of the table top support bar, and the upper reinforcement cross bar and the table top support bar turn Dynamic connection.

Preferably, the quantity of the universal wheel is four, and is each attached to the both ends bottom surface of the roller supporting bar.

Preferably, the quantity of the table top support bar table top support bar is two, is symmetrically fixed on the roller supporting bar Top surface, the telescopic end of the table top support bar is fixedly connected with fixing bearing, and the fixing end side wall of the table top support bar is opened Equipped with the first fixation hole, the telescopic end side wall of table top support bar offers the second fixation hole, and first fixation hole and described Second fixation hole is plugged and fixed by fixed pin, and the side wall of the table top support bar is fixedly connected with magnetic sheet.

Preferably, the inner wall of the telescopic rod is fixedly connected with motor, and the output end of the motor is connected with screw rod, described The inner wall of the other end of screw rod and the telescopic rod is rotatablely connected, and the inner wall of the telescopic rod slidably connects sliding block, and described Sliding block is connect with the wire rod thread, and the top of the sliding block is fixedly connected with linking arm, and the top of the linking arm is fixed to be connected It is connected to cover board, the cover board is fixedly connected with the upper reinforcement cross bar, and the motor and external power supply are electrically connected.

Preferably, the first magnetic lock is provided on the upper reinforcement cross bar, the first magnetic lock is fixedly connected on described The upper top side wall for reinforcing cross bar, the first magnetic lock are electrically connected with external power supply.

Preferably, the bottom surface of the desktop is fixedly connected with cursor, and the bottom surface of the desktop side is fixedly connected with Two magnetic lock, the second magnetic lock are electrically connected with external power supply.

Preferably, the quantity of the second magnetic lock is two, is symmetrically distributed in the bottom surface of the desktop.

Compared with prior art, the utility model has the beneficial effects that

1, the utility model in actual use, provides power by motor, and screw rod is rotated, under the action of screw thread, Sliding block is moved up and down in screw rod, to used after adjusting the adjusting that the desktop of support is raised and lowered Fixed pin fixes table top support bar, to realize the adjustment of desktop different height, meets a variety of use demands, reduces teaching device The buying expenses of material.

2, desktop in actual use, can be rotated 90 degree by fixing bearing and cursor, and lead to by the utility model It crosses the second magnetic lock it is fixed with magnetic sheet actuation, desktop can be used as demonstration board, increase the use function of desk, And short-distance movement is carried out by universal wheel, the buying expenses of teaching equipment can also be reduced.

Detailed description of the invention

Attached drawing is used to provide a further understanding of the present invention, and constitutes part of specification, practical with this Novel embodiment is used to explain the utility model together, does not constitute limitations of the present invention.In the accompanying drawings:

Fig. 1 is the structural schematic diagram of the utility model；

Fig. 2 is the left side structure schematic diagram of the utility model；

Fig. 3 is the Telescopic rod structure schematic diagram in the utility model；

Fig. 4 is the telescopic rod cross section structure schematic diagram in the utility model；

In figure: 10, support component；11, roller supporting bar；12, universal wheel；13, lower reinforcement cross bar；20, component is adjusted； 21, table top support bar；211, fixing bearing；212, the first fixation hole；213, the second fixation hole；214, fixed pin；215, magnetic sheet； 22, telescopic rod；221, motor；222, screw rod；223, sliding block；224, linking arm；225, cover board；23, upper reinforcement cross bar；231, One magnetic lock；24, desktop；241, cursor；242, the second magnetic is locked.

Specific embodiment

The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are without making creative work Every other embodiment obtained, fall within the protection scope of the utility model.

Embodiment

Fig. 1-4 is please referred to, the utility model is the following technical schemes are provided: a kind of Dual purpose desk, including 10 He of support component Component 20 is adjusted, support component 10 includes roller supporting bar 11, universal wheel 12 and lower reinforcement cross bar 13, and universal wheel 12 is fixedly connected In the bottom surface of roller supporting bar 11, the lower both ends for reinforcing cross bar 13 are fixedly connected with roller supporting bar 11, are adjusted component 20 and are included Table top support bar 21, telescopic rod 22, upper reinforcement cross bar 23 and desktop 24, table top support bar 21 are located at the top of roller supporting bar 11 Face, and table top support bar table top support bar 21 is fixedly connected with roller supporting bar 11, telescopic rod 22 is located at lower reinforcement cross bar 13 Top surface provides power by motor 221, screw rod 222 is rotated, and under the action of screw thread, sliding block 223 exists in actual use Screw rod 222 moves up and down, thus to the adjusting that the desktop 24 of support is raised and lowered, using solid after adjusting Rationed marketing 214 is fixed by table top support bar 21, to realize the adjustment of desktop different height, meets a variety of use demands, and flexible Bar 22 is fixedly connected with lower reinforcement cross bar 13, and the upper both ends for reinforcing cross bar 23 are fixedly connected with table top support bar 21, and desktop 24 In the top of table top support bar 21, and upper reinforcement cross bar 23 and table top support bar 21 are rotatablely connected, in actual use, can be by table Plate 24 rotates 90 degree by fixing bearing 211 and cursor 241, and is attracted with magnetic sheet 215 to it by the second magnetic lock 242 It is fixed, desktop 24 can be used as demonstration board, increase the use function of desk, reduce the buying expenses of teaching equipment.

Specifically, the quantity of universal wheel 12 is four, and it is each attached to the both ends bottom surface of roller supporting bar 11, ten thousand can be passed through Short-distance movement and adjustment are carried out to 12 pairs of desks of wheel, and carries out firm support to desk.

Specifically, the quantity of table top support bar table top support bar 21 is two, it is symmetrically fixed on the top of roller supporting bar 11 Face, the telescopic end of table top support bar 21 are fixedly connected with fixing bearing 211, realize desktop 24 with fixing bearing 211 be axle center into Row rotation, the fixing end side wall of table top support bar 21 offer the first fixation hole 212, and the telescopic end side wall of table top support bar 21 is opened Equipped with the second fixation hole 213, and the first fixation hole 212 and the second fixation hole 213 are plugged and fixed by fixed pin 214, realization pair The fixation of table top support bar 21 guarantees the stability of desktop 24, and the side wall of table top support bar 21 is fixedly connected with magnetic sheet 215, can It is fixed after the adjustment of desktop 24.

Specifically, the inner wall of telescopic rod 22 is fixedly connected with motor 221, the output end of motor 221 is connected with screw rod 222, The other end of screw rod 222 and the inner wall of telescopic rod 22 are rotatablely connected, and the inner wall of telescopic rod 22 slidably connects sliding block 223, and sliding Block 223 is threadedly coupled with screw rod 222, and the top of sliding block 223 is fixedly connected with linking arm 224, and the top of linking arm 224 is fixed to be connected It is connected to cover board 225, cover board 225 is fixedly connected with upper reinforcement cross bar 23, and motor 221 and external power supply are electrically connected, by motor 221 Power is provided, screw rod 222 is rotated, and under the action of screw thread, sliding block 223 is moved up and down in screw rod 222, motor 221 Model DQ-57HB76B+TB6600.

Specifically, being provided with the first magnetic lock 231 on upper reinforcement cross bar 23, the first magnetic lock 231, which is fixedly connected on, to be added The top side wall of tyrannical bar 23, the first magnetic lock 231 with external power supply be electrically connected, can in 24 horizontal of desktop to desktop 24 into Row magnetic is fixed, and guarantees the firm of desktop 24,.

Specifically, the bottom surface of desktop 24 is fixedly connected with cursor 241, cooperates with fixing bearing 211 and realize desktop 24 Rotation, the bottom surface of 24 side of desktop are fixedly connected with the second magnetic lock 242, and the second magnetic lock 242 is electrically connected with external power supply, Magnetic can be carried out to it after desktop 24 carries out 90 degree of rotation adjustment to fix, guarantee the stabilization of desktop 24, the first magnetic lock 231 Model with the second magnetic lock 242 is G280.

Specifically, the quantity of the second magnetic lock 242 is two, it is symmetrically distributed in the bottom surface of desktop 24, to 24 side of desktop Both ends carry out magnetic and fix, prevent unbalance stress from leading to 24 bending deformation of desktop.

The working principle and process for using of the utility model: the utility model in actual use, is provided dynamic by motor 221 Power, screw rod 222 is rotated, and under the action of screw thread, sliding block 223 is moved up and down in screw rod 222, thus to the table of support The adjusting that plate 24 is raised and lowered, it is using fixed pin 214 that table top support bar 21 is fixed after adjusting, to realize Desktop 24 can be rotated 90 degree by fixing bearing 211 and cursor 241, and pass through second by the adjustment of desktop different height Magnetic lock 242 is fixed it with the actuation of magnetic sheet 215, can use desktop 24 as demonstration board, increase desk uses function Can, reduce the buying expenses of teaching equipment.

Finally, it should be noted that the above descriptions are merely preferred embodiments of the present invention, it is not limited to this Utility model, although the utility model is described in detail with reference to the foregoing embodiments, for those skilled in the art For, it is still possible to modify the technical solutions described in the foregoing embodiments, or to part of technical characteristic It is equivalently replaced.Within the spirit and principle of the utility model, any modification, equivalent replacement, improvement and so on, It should be included within the scope of protection of this utility model.

Claims (7)

1. a kind of Dual purpose desk, it is characterised in that: including support component (10) and adjust component (20), the support component (10) Including roller supporting bar (11), universal wheel (12) and lower reinforcement cross bar (13), the universal wheel (12) is fixedly connected on the rolling The bottom surface of support rod (11) is taken turns, the lower both ends for reinforcing cross bar (13) are fixedly connected with the roller supporting bar (11), described Adjusting component (20) includes table top support bar (21), telescopic rod (22), upper reinforcement cross bar (23) and desktop (24), the desktop branch Strut (21) is located at the top surface of the roller supporting bar (11), and the table top support bar (21) and the roller supporting bar (11) Be fixedly connected, the telescopic rod (22) be located at it is described it is lower reinforce cross bar (13) top surface, and the telescopic rod (22) and it is described under Reinforce cross bar (13) to be fixedly connected, the upper both ends for reinforcing cross bar (23) are fixedly connected with the table top support bar (21), institute State the top that desktop (24) are located at the table top support bar (21), and the upper reinforcement cross bar (23) and the table top support bar (21) it is rotatablely connected.

2. a kind of Dual purpose desk according to claim 1, it is characterised in that: the quantity of the universal wheel (12) is four, And it is each attached to the both ends bottom surface of the roller supporting bar (11).

3. a kind of Dual purpose desk according to claim 1, it is characterised in that: the quantity of the table top support bar (21) is two It is a, it is symmetrically fixed on the top surface of the roller supporting bar (11), the telescopic end of the table top support bar (21) is fixedly connected with Dead axle is held (211), and the fixing end side wall of the table top support bar (21) offers the first fixation hole (212), table top support bar (21) telescopic end side wall offers the second fixation hole (213), and first fixation hole (212) and second fixation hole (213) it is plugged and fixed by fixed pin (214), the side wall of the table top support bar (21) is fixedly connected with magnetic sheet (215).

4. a kind of Dual purpose desk according to claim 1, it is characterised in that: the inner wall of the telescopic rod (22) is fixedly connected Have motor (221), the output end of the motor (221) is connected with screw rod (222), the other end of the screw rod (222) with it is described The inner wall of telescopic rod (22) is rotatablely connected, and the inner wall of the telescopic rod (22) slidably connects sliding block (223), and the sliding block (223) it is threadedly coupled with the screw rod (222), the top of the sliding block (223) is fixedly connected with linking arm (224), the company The top for connecing arm (224) is fixedly connected with cover board (225), and the cover board (225) is fixedly connected with the upper reinforcement cross bar (23), The motor (221) and external power supply are electrically connected.

5. a kind of Dual purpose desk according to claim 1, it is characterised in that: be provided on the upper reinforcement cross bar (23) One magnetic locks (231), and the first magnetic lock (231) is fixedly connected on the upper top side wall for reinforcing cross bar (23), described First magnetic locks (231) and external power supply is electrically connected.

6. a kind of Dual purpose desk according to claim 1, it is characterised in that: the bottom surface of the desktop (24) is fixedly connected with Cursor (241), the bottom surface of desktop (24) side are fixedly connected with the second magnetic lock (242), the second magnetic lock (242) it is electrically connected with external power supply.

7. a kind of Dual purpose desk according to claim 6, it is characterised in that: the quantity of second magnetic lock (242) is Two, it is symmetrically distributed in the bottom surface of the desktop (24).