CN114847653A - Quick detach type desk that easily goes up and down - Google Patents
Quick detach type desk that easily goes up and down Download PDFInfo
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- CN114847653A CN114847653A CN202210545495.0A CN202210545495A CN114847653A CN 114847653 A CN114847653 A CN 114847653A CN 202210545495 A CN202210545495 A CN 202210545495A CN 114847653 A CN114847653 A CN 114847653A
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- 230000007246 mechanism Effects 0.000 claims abstract description 37
- 230000002787 reinforcement Effects 0.000 claims 1
- 238000009434 installation Methods 0.000 abstract description 3
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- 238000000034 method Methods 0.000 description 3
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- 238000007789 sealing Methods 0.000 description 2
- 206010041591 Spinal osteoarthritis Diseases 0.000 description 1
- 229910000831 Steel Inorganic materials 0.000 description 1
- 230000004308 accommodation Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 208000036319 cervical spondylosis Diseases 0.000 description 1
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- A—HUMAN NECESSITIES
- A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
- A47B—TABLES; DESKS; OFFICE FURNITURE; CABINETS; DRAWERS; GENERAL DETAILS OF FURNITURE
- A47B41/00—School desks or tables
- A47B41/02—Adjustable, inclinable, sliding or foldable desks tops
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- A—HUMAN NECESSITIES
- A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
- A47B—TABLES; DESKS; OFFICE FURNITURE; CABINETS; DRAWERS; GENERAL DETAILS OF FURNITURE
- A47B41/00—School desks or tables
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- A—HUMAN NECESSITIES
- A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
- A47B—TABLES; DESKS; OFFICE FURNITURE; CABINETS; DRAWERS; GENERAL DETAILS OF FURNITURE
- A47B51/00—Cabinets with means for moving compartments up and down
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Abstract
The invention relates to the technical field of desks, and discloses a quick-release desk easy to lift, which comprises a desk box and desk legs arranged on the lower end surface of the desk box, wherein the desk legs comprise lifting columns vertically and downwards arranged on two sides of the lower end surface of the desk box and supporting legs, the bottoms of the lifting columns are abutted against the ground and can be vertically guided to lift, a supporting cross rod is fixedly arranged between the supporting legs, a lifting mechanism for driving the desk box to lift is arranged between the supporting cross rod and the lower end surface of the desk box, the lifting mechanism comprises a fixed matching block fixed at the bottom of the desk box, a movable matching block embedded in the axial direction of the supporting cross rod and guided to move, and a connecting rod, the two ends of the connecting rod are respectively pivoted and matched with the fixed matching block and the movable matching block, the movement of the movable matching block is controlled by a labor-saving mechanism, a limiting mechanism for limiting the movement of the movable matching block is arranged between the movable matching block and the movable matching block, and the quick-release desk can quickly and labor-efficiently lift the desk box, the cost is low, and the installation or dismantle convenient, easily accomodate.
Description
Technical Field
The invention relates to the technical field of desks, in particular to an easily-lifted quick-release desk.
Background
A desk widely used in schools generally includes a desktop, a book box having an upward opening for placing books, and table legs, wherein the desktop is hinged to an upper end surface of the book box, and the table legs are fixed to a lower end surface of the book box.
The height of a book case of an existing desk cannot be adjusted, for students with heights, the neck of the student is in a drooping state when the student writes due to too low desktop, legs cannot enter the lower end face of the book case, and the legs can only be opened to be located on two sides of the desk all the time, so that the appearance is influenced, and the cervical spondylosis is caused by accommodation; for some short students, too high a desk top can cause writing to be tired and have poor comfort.
Based on the above problems, chinese patent No. CN202365216U discloses a lifting desk, a lifting chair, and a lifting device for lifting tables and chairs, wherein the lifting device can lift the desk, and the lifting device has a structure including two upper pillars fixed on the lower end surface of the desk box and two lower pillars supported on the ground, the lower pillars are inserted into the upper pillars, the upper pillars are longitudinally provided with positioning holes at intervals, the lower pillars are provided with a plurality of corresponding fixing holes, and two fixing bolts sequentially pass through the positioning holes and the fixing holes to lock and limit the positions.
This desk adopts manual lift's mode to carry out the lift of desktop and table case, so, its cost is lower, but need know, the student is when adjusting, the book often can be placed in the book case, traditional middle school student, the book in its book case also has 20-30 jin for a short time, and the lift of above-mentioned table case, at least need two students to help jointly just can adjust, and need alone to grab earlier and embrace the table case during the regulation, another person takes off two fastening bolt earlier, grab the upwards or downwards removal table case of package table case till the table case rises to required height, then another person inserts fastening bolt in corresponding locating hole and the fixed orifices and fastens, whole in-process, the people who embraces the table case is tired very much and whole regulation realizes longer, adopt tools such as bolt still need to use spanner, so, it is hard to adjust the restriction many and adjust.
Based on the above problems, chinese patent with publication number CN209171570U discloses a liftable desk, which comprises a desktop and two electric telescopic desk leg frames vertically arranged at the bottom of the desktop, wherein each electric telescopic desk leg frame comprises an electric telescopic rod and a base fixed at the lower end of the electric telescopic rod, and the electric telescopic rod is provided with a sensor for sensing a telescopic distance; the control panel comprises a control button module and a display, the control button module is provided with a button for controlling the electric telescopic rod to stretch, and the display is used for displaying the height of the desktop; electric telescopic handle, sensor, control panel all with singlechip electric connection, this scheme just can realize the arbitrary altitude mixture control of desktop through controlling the display, really very convenient, but its cost is very high for traditional desk, and this just must lead to it can not circulate in a lot of schools, and the electronic product damages easily, and life is lower, just can't realize its raising and lowering functions after damaging.
Disclosure of Invention
Aiming at the defects that the desktop of the existing desk is lifted by adopting an electric lifting mode, the cost is high, the electric appliance part is easy to damage, the manual lifting mode is adopted, the adjustment is laborious, the wind power is high, and the adjustment time is long, the invention aims to provide the quick-dismantling desk which is quick and labor-saving in adjustment, reasonable in manufacturing cost and easy to lift.
In order to solve the technical problems, the invention provides the following technical scheme: the utility model provides a quick detach type desk that easily goes up and down, include the table case and set up in the table leg of terminal surface under the table case, the table leg includes the vertical lift post that sets up downwards in terminal surface both sides under the table case and the supporting leg that bottom and ground butt just can supply the vertical direction of lift post to go up and down, it supports the horizontal pole to fix to be provided with a support horizontal pole between the supporting leg, it orders about the elevating system that the table case goes up and down to support to be provided with between horizontal pole and the terminal surface under the table case, elevating system includes in the fixed cooperation piece of table bottom of the case portion fixed, along the removal cooperation piece and the both ends of the axial embedding direction removal of supporting horizontal pole respectively with fixed cooperation piece and removal cooperation piece pin joint complex connecting rod, the removal of removal cooperation piece is controlled by a laborsaving mechanism, be provided with the stop gear that spacing removal cooperation piece removed between removal cooperation piece and removal cooperation piece.
According to the scheme, the existing structure can only drive the lifting column to synchronously lift when the desk is toppled or the whole desk box is lifted by external force, and the unilateral regulation or the phenomenon of jamming is caused, the lifting mechanism is arranged between the supporting transverse rod and the desk box, the axial movement of the movable matching block on the supporting transverse rod is utilized to drive the connecting rod pivoted with the supporting transverse rod to change the angle, when the connecting rod is vertically stood, the desk box is obviously lifted, when the connecting rod is toppled, the desk box is obviously descended, the whole process can be realized only by the movement of the movable matching block, the limiting mechanism is used for limiting the movement of the movable matching block, so that the desk box can be limited when lifted to a proper position, the operator can conveniently move the movable matching block by utilizing smaller force through the labor-saving mechanism, the lifting of the desk box can be quickly and laborsavingly realized by only one person without utilizing a controller and electricity, therefore, the whole cost is low.
Furthermore, the labor-saving mechanism comprises at least one movable pulley arranged at the lower end of the movable matching block at intervals along the axial direction of the supporting cross rod, at least one fixed pulley arranged at one end, far away from the movable matching block, of the supporting cross rod at intervals along the axial direction of the supporting cross rod, and a pull rope, the number of the movable pulleys is consistent with that of the fixed pulleys, one end of the pull rope is fixed with the fixed pulley positioned at the innermost side, the other end of the pull rope, the movable pulley opposite to the pull rope and the fixed pulley opposite to the movable pulley are sequentially wound outwards, the rear end part of the pull rope is fixed with the fixed pulley at the outermost side, and the rotation of the fixed pulley at the outermost side is controlled by the first driving part.
According to the scheme, the labor-saving structure utilizes the form of the pulley block, and needs
Therefore, at least half of the force can be saved.
Further, the diameters of the fixed pulley and the movable pulley gradually increase from one end close to the center of the supporting cross rod to the end of the supporting cross rod.
According to above-mentioned scheme, the stay cord can outwards twine, avoids the stay cord to contact each other in rolling or release process, reduces the risk of knoing.
Furthermore, the limiting mechanism comprises a rack fixedly arranged on the upper end face of the supporting cross rod along the axial direction of the supporting cross rod, a groove recessed on one side of the movable matching block close to the rack, and a locking tooth block which is elastically and telescopically arranged in the groove, is meshed with the rack when extending out and is separated from the rack when retracting, a return spring is fixedly arranged between the locking tooth block and the bottom of the groove, and the retraction of the locking tooth block is controlled by the control part.
According to above-mentioned scheme, for the cooperation of traditional bolt and locating hole, the mode precision of rack and locking tooth piece is high, can accomplish to follow and end.
Furthermore, the control part comprises an electromagnet fixed at the bottom of the groove, two ends of a return spring are respectively and fixedly connected with the electromagnet and the locking tooth block, the stretching of the locking tooth block is controlled by the power on or power off of the electromagnet, and the power on or power off of the electromagnet is controlled by a control circuit.
Furthermore, the supporting cross rod is provided with a reinforcing and inserting mechanism between the supporting leg and the supporting cross rod, and the reinforcing and inserting mechanism comprises a first fixing block which is convexly arranged on one side opposite to the supporting leg and can be inserted into the supporting cross rod and a folding supporting block which is pivoted on the first fixing block and is in guiding and inserting fit with the supporting cross rod.
According to above-mentioned scheme, folding supporting shoe can be relative first fixed block upset folding, is showing when accomodating and reduces holistic volume of accomodating, and its with support the fastness of being connected between multiplicable support horizontal pole and the supporting leg behind the horizontal pole grafting, increase the bearing capacity and the intensity of supporting horizontal pole self simultaneously.
Furthermore, the lifting column comprises a second fixed block fixed at the bottom of the table box and a lifting section pivoted on the second fixed block and inserted into the supporting leg in a bottom guiding manner.
According to above-mentioned scheme, the lift section pin joint is on the second fixed block, and terminal surface under the table case can be accomodate in the upset relatively during accomodating to reduce the volume when accomodating, and because the relative upset setting of lift section, after it pegs graft with the supporting leg, the table case can not take place to rock or overturn.
Furthermore, the supporting leg comprises a supporting column with an upper end for inserting the lifting column and a supporting leg with a bottom perpendicular to the supporting column.
Furthermore, a quick-release mechanism is arranged between the supporting legs and the supporting columns, the quick-release mechanism comprises inserting blocks which are convexly arranged at the upper ends of the supporting legs, grooves which can be used for inserting all the inserting blocks are formed in the bottom of one side of the supporting columns in a concave mode, a slot is formed in one side, close to the groove, of each inserting block, inserting blocks which are matched with the slots in an inserting mode are arranged in the corresponding grooves in a convex mode, limiting blocks which sequentially penetrate through the inserting blocks and the slots are arranged in the supporting legs in an elastic lifting mode, and the lifting of the limiting blocks is controlled by a second driving portion.
According to the scheme, the supporting legs and the supporting columns can be rapidly mounted or dismounted through the quick-release structure, and the supporting legs and the supporting columns are convenient to mount and store.
Furthermore, the second driving part comprises a driving part for driving the limiting block to descend and an elastic resetting part for driving the limiting block to ascend.
Compared with the prior art, the invention has the following beneficial effects:
1. this elevating system sets up and is supporting between horizontal pole and the table case, utilize to remove the cooperation piece and support axial displacement on the horizontal pole order about rather than the connecting rod change angle with the pin joint of table bottom of the case portion, when the connecting rod is vertical to stand, the table case is showing the lifting, when the connecting rod is emptyd, the table case is showing the decline, and only need through order about remove the cooperation piece remove can, and stop gear then is used for the removal of spacing removal cooperation piece, thereby can stop spacingly when guaranteeing that the table case goes up and down to suitable position, can be convenient for operating personnel through laborsaving mechanism and utilize littleer power to realize the removal of removing the cooperation piece, only need alone can carry out the lift and the whole cost of table case fast and laborsavingly low.
2. The labor-saving structure utilizes the form of a pulley block, and needs
Therefore, at least half of the force can be saved.
3. The setting of reinforcing grafting mechanism, folding supporting shoe wherein can be relative first fixed block upset folding, is showing when accomodating and is reducing holistic volume of accomodating, and it with support the fastness of being connected between multiplicable support horizontal pole and the supporting leg behind the horizontal pole grafting, increase the bearing capacity and the intensity that support horizontal pole self simultaneously.
4. The lift section pin joint is on the second fixed block, and terminal surface under the table case can be accomodate in the upset relatively during accomodating to reduce the volume when accomodating, and because the relative upset setting of lift section, after it pegs graft with the supporting leg, the table case can not take place to rock or overturn.
5. The quick-release mechanism can be arranged to quickly mount or dismount the supporting legs and the supporting columns, and is convenient to mount and store.
Through the improvement of above-mentioned structure, this quick detach type desk only needs alone just can be fast and laborsaving the lift of realization table case, and overall structure cost is low, and it is convenient to install or dismantle, and the volume is showing and is reducing when accomodating.
Drawings
The accompanying drawings, which are included to provide a further understanding of the invention and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the principles of the invention and not to limit the invention. In the drawings:
FIG. 1 is an isometric view of a quick release desk of this embodiment which is easy to lift and lower;
FIG. 2 is a front view of the easily liftable desk of the present embodiment;
FIG. 3 is a sectional view A-A of FIG. 2;
FIG. 4 is a left side view of the easily liftable desk of the present embodiment;
FIG. 5 is a cross-sectional view B-B of FIG. 4;
FIG. 6 is an enlarged view of A in FIG. 5;
FIG. 7 is a cross-sectional view C-C of FIG. 5;
FIG. 8 is a cross-sectional view D-D of FIG. 5;
fig. 9 is an enlarged view of B of fig. 8;
FIG. 10 is a sectional view of the locking tooth block and the rack unlocked when the electromagnet is energized in the present embodiment;
fig. 11 is a sectional view of the locking tooth block pulled by the pull rod to unlock the rack in the present embodiment.
In the figure: 1. a table box; 2. a table top plate; 3. a lifting column; 301. a second fixed block; 302. a lifting section; 4. supporting legs; 401. a support pillar; 402. supporting legs; 5. a support rail; 6. a rack; 7. fixing the matching block; 8. moving the matching block; 9. a connecting rod; 10. a handle; 11. an insertion block; 12. a slot; 13. inserting a block; 14. a through groove; 15. a limiting block; 16. an abutment spring; 17. closing the plate; 18. shifting blocks; 19. a fixed pulley; 20. a movable pulley; 21. pulling a rope; 22. a first fixed block; 23. folding the supporting block; 24. an electromagnet; 25. a return spring; 26. and locking the toothed block.
Detailed Description
The technical solution in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention.
Examples
A desk capable of being lifted easily and quickly is shown in figures 1-8 and comprises a desk box 1 with an upward opening, a desktop plate 2 capable of opening or closing the opening is hinged to the upper end face of the desk box 1, desk legs are arranged at the lower end of the desk box 1, in order to achieve flexible lifting of the desk box 1, the desk legs are shown in figures 1-3 and comprise lifting columns 3 and supporting legs 4, the lifting columns 3 are vertically and downwardly arranged on two sides of the lower end face of the desk box 1, the bottoms of the lifting columns abut against the ground, the supporting legs can be used for vertically guiding the lifting columns 3 to lift, supporting cross rods 5 are fixedly arranged among the supporting legs 4, and lifting mechanisms for driving the desk box 1 to lift are arranged between the supporting cross rods 5 and the lower end face of the desk box 1.
In order to reduce the volume when later stage is accomodate and improve the convenience of installation and dismantlement, lift post 3 includes that the second fixed block 301 of fixing in table case 1 bottom and pin joint can overturn folding lift section 302 relatively on second fixed block 301 through the screw is dismantled, supporting leg 4 then includes that the upper end can supply the support column 401 that the vertical direction of lift section 302 goes up and down and bottom perpendicular to support column 401's supporting legs 402, supporting leg 4 is whole to be "L" type or "T" type of falling, the stability that the table leg was stood can be improved in this kind of setting.
A quick release mechanism convenient for installation and disassembly is arranged between the supporting leg 4 and the supporting column 401, the quick release mechanism is shown in fig. 3-6 and comprises an inserting block 11 convexly arranged at the upper end of the supporting leg 402, a groove for inserting the inserting block 11 is sunken at the bottom of one side of the supporting column 401, a slot 12 is sunken at one side of the inserting block 11 close to the groove, an inserting block 13 in inserting fit with the slot 12 is convexly arranged in the groove, a limiting block 15 sequentially passes through the inserting block 13 and the slot 12 is elastically lifted in the supporting leg 402, the lifting of the limiting block 15 is controlled by a second driving part, the second driving part comprises a driving part for driving the limiting block 15 to descend and an elastic reset part for driving the limiting block 15 to ascend, the driving part comprises a yielding groove arranged on the side wall of the supporting leg 402 and a shifting block 18 convexly arranged at one side of the limiting block 15 and penetrating out of the yielding groove, the shifting block 18 can be pressed to drive the limiting block 15 to descend, at this time, the supporting leg 4 can be driven to separate from the supporting column 401, a through groove 14 is vertically arranged at the bottom of the supporting leg 402, the limiting block 15 is vertically arranged in the through groove 14, a sealing plate 17 is fixed at the bottom of the through groove 14, the elastic reset piece comprises a butting spring 16, and two ends of the butting spring 16 are respectively butted or fixedly connected with the sealing plate 17 and the limiting block 15.
The lifting mechanism is shown by referring to fig. 5 and 7, and comprises a fixed matching block 7 which is detachably and fixedly arranged at the bottom of the table box 1 through a screw, a guide chute with an inverted T-shaped section is arranged on the upper end surface of the support cross rod 5 in a penetrating manner along the axial direction, a movable matching block 8 is embedded in the guide chute in a sliding manner, a connecting rod 9 with two ends respectively pivoted and matched with the fixed matching block 7 and the movable matching block 8 is arranged between the fixed matching block 7 and the movable matching block 8, and the movement of the movable matching block 8 is controlled by a labor-saving mechanism.
The labor-saving mechanism is arranged in the supporting cross rod 5, and specifically, as shown in fig. 5 and 7, the labor-saving mechanism comprises at least one movable pulley 20 fixedly arranged at the lower end of a movable matching block 8 in the supporting cross rod 5, a wheel body of the movable pulley 20 is in running fit with a shaft of the movable pulley 20, the shaft of the movable pulley is fixed on the movable matching block 8, a yielding through groove 14 which can allow the movable pulley 20 to smoothly move in the supporting cross rod 5 is arranged at the bottom of a guide sliding groove, the movable pulley 20 is arranged along the axial direction of the supporting cross rod 5 at intervals, at least one fixed pulley 19 arranged at one end far away from the movable matching block 8 in the supporting cross rod 5 along the axial direction of the supporting cross rod 5 is arranged at the bottom of the guide sliding groove, the wheel body and the shaft of the fixed pulley 19 are integrally arranged and are in running fit with the supporting cross rod 5, a pull rope 21 is wound between the movable pulley 20 and the fixed pulley 19, the number of the movable pulley 20 is consistent with that of the fixed pulley 19, and the diameter of the fixed pulley 19 and the movable pulley 20 gradually increases from one end near the center of the supporting cross rod 5 to the end of the supporting cross rod 5 And (4) potential.
In this embodiment, two movable pulleys 20 and two fixed pulleys 19 are provided, one end of a pull rope 21 is fixed on one end of the small-diameter fixed pulley 19 close to the small-diameter movable pulley 20, the other end of the pull rope 21 is sequentially wound on the small-diameter movable pulley 20, then wound on the small-diameter fixed pulley 19, finally wound on the large-diameter movable pulley 20, and fixedly connected with the large-diameter fixed pulley 19, the pull rope 21 is preferably fixed by a steel wire rope and welded with the fixed pulley 19, in this way, the table box 1 can be lifted by driving the large-diameter fixed pulley 19 to rotate only by using the force of 1/4 weight of the table box 1, the table box 1 can be automatically lowered by using the gravity of the table box 1, the rotation of the outermost fixed pulley 19 (the large-diameter fixed pulley 19) is controlled by a first driving part, the first driving part is a hand wheel or a handle 10 coaxial with the fixed pulley 19, in the embodiment, the handle 10 is adopted, and the table box 1 can be driven to ascend by rotating the handle 10 and drawing the pull rope 21.
A limiting mechanism for limiting the movement of the movable matching block 8 is arranged between the movable matching block 8 and the movable matching block 8, as shown in fig. 8-10, the limiting mechanism comprises a rack 6 fixedly arranged on the upper end surface of the support rod along the axial direction thereof, a groove is recessed on one side of the movable matching block 8 close to the rack 6, a locking tooth block 26 which can be completely retracted into the groove or partially extended out of the groove is arranged in the groove in a telescopic manner, a reset spring 25 is fixed between the locking tooth block 26 and the bottom of the groove, the retraction of the locking tooth block 26 is controlled by a control part, the control part comprises an electromagnet 24 fixed at the bottom of the groove, two ends of the reset spring 25 are respectively and fixedly connected with the electromagnet 24 and the locking tooth block 26, the retraction of the locking tooth block 26 is controlled by the power on or power off of the electromagnet 24, the power on or power off of the electromagnet 24 is controlled by a control circuit, the control circuit comprises the electromagnet 24 and a switch which are connected in series, the switch is arranged on the outer wall of the movable matching block 8, when the electromagnet 24 is electrified, the locking tooth block 26 retracts, and at the moment, the movable matching block 8 can move along the axial direction of the support cross rod 5; when the electromagnet 24 is de-energized, the locking tooth block 26 is popped up under the action of the return spring 25 to be meshed with the locking tooth block 26 to limit the movement of the movable matching block 8.
When needs are accomodate, demolish first fixed block 22 and second fixed block 301 and table case 1, can separate table leg and table case 1 completely, separate support column 401 and supporting leg 4 subsequently, separate supporting cross rod 5 and supporting leg 4 and can put into table case 1 with above-mentioned table leg part and store, also can only take off second fixed block 301, it can to fold accomodate at table case 1 lower extreme with lift post 3, all the other parts are accomodate in table case 1, holistic volume can reduce to original 1/3 ~ 1/5, effectively reduce the volume when accomodating, and the aforesaid is demolishd folding mode very simple and fast.
When the table box 1 needs to be lifted, a person only needs to hold the handle 10 with one hand and drive the electromagnet 24 to be powered with the other hand, when the locking tooth block 26 is unlocked, the handle 10 is rotated to draw the pull rope 21, the movable matching block 8 can be driven to move towards the middle of the supporting cross rod 5 to drive the connecting rod 9 to be straightened, and therefore the table box 1 is driven to be lifted; on the contrary, a small force is applied to delay the handle 10 to rotate reversely, the pull rope 21 is slowly released, the movable matching block 8 moves towards the end part of the supporting cross rod 5, the connecting rod 9 is driven to incline, the table box 1 is driven to descend, when the table box 1 is lifted to a proper position, the electromagnet 24 is driven to lose power, the locking tooth block 26 is meshed with the rack 6 again, the lifting of the table box 1 can be limited, the whole operation is very convenient and fast, the whole structure adopts a mechanical structure, the structural cost of the electromagnet 24 is very low, the electromagnet can be replaced in a manual mode, as shown in figure 11, the electromagnet 24 can be replaced by a pull rod fixedly connected with the locking tooth block 26 in a manual mode, one end of the pull rod, far away from the locking tooth block 26, penetrates out of the movable matching block 8, the locking tooth block 26 can be driven to be far away from the rack 6 only by pulling the pull rod, the movable matching block 8 is unlocked, the pull rod is loosened, under the action of the reset spring 25, the locking toothed block 26 automatically engages with the toothed rack 6 for locking.
Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that changes may be made in the embodiments and/or equivalents thereof without departing from the spirit and scope of the invention. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (10)
1. The utility model provides an easy quick detach type desk that goes up and down, includes table case (1) and sets up the table leg of terminal surface under table case (1), its characterized in that: the desk legs comprise lifting columns (3) which are vertically and downwards arranged on two sides of the lower end surface of the desk box (1) and supporting legs (4) the bottoms of which are abutted against the ground and can be used for vertically guiding the lifting columns (3) to lift, a supporting cross rod (5) is fixedly arranged between the supporting legs (4), a lifting mechanism for driving the table box (1) to lift is arranged between the supporting cross rod (5) and the lower end surface of the table box (1), the lifting mechanism comprises a fixed matching block (7) fixed at the bottom of the table box (1), a movable matching block (8) which is embedded into the table box (1) along the axial direction of the supporting cross rod (5) and moves in a guiding way, and a connecting rod (9) of which the two ends are respectively in pin joint matching with the fixed matching block (7) and the movable matching block (8), the movement of the movable matching block (8) is controlled by a labor-saving mechanism, a limiting mechanism for limiting the movement of the movable matching block (8) is arranged between the movable matching block (8) and the movable matching block (8).
2. The easy-to-lift quick-release desk according to claim 1, characterized in that: the labor-saving mechanism comprises at least one movable pulley (20) arranged at the lower end of the movable matching block (8) at intervals along the axial direction of the supporting cross rod (5), at least one fixed pulley (19) and a pull rope (21) arranged at one end, far away from the movable matching block (8), of the supporting cross rod (5) at intervals along the axial direction of the supporting cross rod (5), the number of the movable pulleys (20) is consistent with that of the fixed pulleys (19), one end of the pull rope (21) is fixed with the fixed pulley (19) located on the innermost side, the other end of the pull rope (21), the opposite movable pulley (20) and the fixed pulley (19) opposite to the movable pulley are sequentially wound outwards, the rear end portions of the pull rope are fixed with the fixed pulley (19) on the outermost side, and the rotation of the fixed pulley (19) on the outermost side is controlled by a first driving portion.
3. The desk capable of being lifted and lowered easily and disassembled quickly according to claim 2, is characterized in that: the diameters of the fixed pulley (19) and the movable pulley (20) gradually increase from one end close to the center of the support cross rod (5) to the end of the support cross rod (5).
4. The easy-to-lift quick-release desk according to claim 1, characterized in that: the limiting mechanism comprises a rack (6) which is fixedly arranged on the upper end surface of the supporting cross rod (5) along the axial direction of the supporting cross rod, a concave groove which is arranged on one side of the movable matching block (8) close to the rack (6), and a locking tooth block (26) which is elastically and telescopically arranged in the groove, is meshed with the rack (6) when extending out and is separated from the rack when retracting, a reset spring (25) is fixedly arranged between the locking tooth block (26) and the bottom of the groove, and the retraction of the locking tooth block (26) is controlled by a control part.
5. The easy-to-lift quick-release desk according to claim 4, characterized in that: the control part comprises an electromagnet (24) fixed at the bottom of the groove, two ends of a return spring (25) are respectively and fixedly connected with the electromagnet (24) and a locking tooth block (26), the stretching of the locking tooth block (26) is controlled by the power-on or power-off of the electromagnet (24), and the power-on or power-off of the electromagnet (24) is controlled by a control circuit.
6. The desk capable of being lifted and lowered easily and disassembled quickly according to claim 2, is characterized in that: support horizontal pole (5) and be both ends and run through the setting, be provided with the reinforcement grafting mechanism between supporting leg (4) and support horizontal pole, reinforce grafting mechanism and include in the protruding first fixed block (22) that can insert to support horizontal pole (5) of establishing of one side that supporting leg (4) is relative and pin joint and support horizontal pole (5) direction grafting complex folding supporting shoe (23) on first fixed block (22).
7. The desk capable of being lifted and lowered easily and disassembled quickly according to claim 1, is characterized in that: the lifting column (3) comprises a second fixed block (301) fixed at the bottom of the table box (1) and a lifting section (302) which is pivoted on the second fixed block (301) and is inserted into the supporting leg (4) in a guiding manner at the bottom.
8. The desk capable of being lifted and lowered easily and disassembled quickly according to claim 1, is characterized in that: the supporting leg (4) comprises a supporting column (401) with the upper end into which the lifting column (3) can be inserted and a supporting leg (402) with the bottom perpendicular to the supporting column (401).
9. The desk capable of being lifted and lowered easily and disassembled quickly according to claim 8, is characterized in that: be provided with quick detach mechanism between supporting legs (402) and support column (401), quick detach mechanism includes in protruding grafting piece (11) of establishing in supporting legs (402) upper end, it has the recess that can supply grafting piece (11) to all insert to cave in support column (401) one side bottom, one side that grafting piece (11) are close to the recess is sunken to have a slot (12), protruding be equipped with in the recess with slot (12) grafting complex inserted block (13), elastic lift has stopper (15) of passing inserted block (13) and slot (12) in proper order in supporting legs (402), the lift of stopper (15) is controlled by the second drive division.
10. The desk capable of being lifted and lowered easily and disassembled quickly according to claim 9, is characterized in that: the second driving part comprises a driving part driving the limiting block (15) to descend and an elastic resetting part driving the limiting block (15) to ascend.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210545495.0A CN114847653A (en) | 2022-05-19 | 2022-05-19 | Quick detach type desk that easily goes up and down |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210545495.0A CN114847653A (en) | 2022-05-19 | 2022-05-19 | Quick detach type desk that easily goes up and down |
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| Publication Number | Publication Date |
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| CN114847653A true CN114847653A (en) | 2022-08-05 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202210545495.0A Pending CN114847653A (en) | 2022-05-19 | 2022-05-19 | Quick detach type desk that easily goes up and down |
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| Country | Link |
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| CN (1) | CN114847653A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117881134A (en) * | 2024-03-11 | 2024-04-12 | 常州市凯迪电器股份有限公司 | Quick assembly disassembly structure and electric table of electric unit |
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| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20220805 |
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