CN112690582A

CN112690582A - Portable lifting bookcase

Info

Publication number: CN112690582A
Application number: CN201911013178.9A
Authority: CN
Inventors: 黄东梅
Original assignee: Ganzhou Haoding Furniture Co ltd
Current assignee: Ganzhou Haoding Furniture Co ltd
Priority date: 2019-10-23
Filing date: 2019-10-23
Publication date: 2021-04-23

Abstract

The invention relates to the field of bookcases, and particularly discloses a portable lifting bookcase which comprises a cabinet body which is detachably arranged on a lifting beam, wherein the cabinet body is provided with a plurality of book slots for storing books; the lifting beam is arranged on the support frame in a lifting and sliding manner, and the support frame is also provided with a lifting assembly for adjusting the height of the cabinet body in the vertical direction. In the embodiment provided by the invention, the first forward and reverse rotation servo motor is used for driving the winding and unwinding wheel to rotate, the two lifting ropes can be synchronously wound or unwound according to the rotation direction of the winding and unwinding wheel, the supporting slide block can be pulled to upwards slide in the guide rail groove in the winding process, so that the height of the cabinet body is lifted, and in the unwinding process, the cabinet body moves downwards under the action of the gravity of the cabinet body, so that the height position of the cabinet body is adjusted.

Description

Portable lifting bookcase

Technical Field

The invention relates to the field of bookcases, in particular to a portable lifting bookcase.

Background

With the social pressure and the pace of life becoming more and more intense, reading books to libraries or book cities is becoming an amateur of more professionals. The traditional bookcases are fixed, the height size can meet the requirement that a normal young person takes a book basically, and the young person with normal height can obtain the bookcase by stretching one hand, but the bookcase with the fixed height wastes a large amount of space; in addition, even if the common bookcase is designed to be difficult for the old or children to take the books on the top layer of the bookcase, the reader cannot see and take the books in the upper layer book frame by hands and can do so by means of a stool or a ladder, and the use is inconvenient and not safe.

Disclosure of Invention

The invention aims to provide a portable lifting bookcase to solve the problems in the background technology.

In order to achieve the purpose, the invention provides the following technical scheme:

a portable lifting bookcase comprises a cabinet body which is detachably arranged on a lifting beam, wherein the cabinet body is provided with a plurality of book slots for storing books; the lifting cross beam is arranged on the support frame in a lifting and sliding manner, and the support frame is also provided with a lifting assembly for adjusting the height of the cabinet body in the vertical direction;

lifting unit includes that the rotating turret establishes receive and releases the wheel on the support frame and be used for the drive to receive and release the first positive and negative servo motor that the wheel is rotatory, lifting unit still include two syntropy around connect in receive and release two lifting cords on the wheel, the other end of two lifting cords respectively with two supporting shoe fixed connection, two supporting shoe respectively fixed mounting be in lifting beam's both ends, just guide rail groove has all been seted up to the both sides inner wall of support frame, and two supporting shoe slide are slided respectively from top to bottom and are located two guide rail inslots, still be equipped with a plurality ofly on the support frame it is right to carry the guide pulley that the rope played the guide effect.

As a further scheme of the invention: install on the lifting beam for realizing cabinet body reassembling type, the installation cavity has been seted up on the lifting beam, and the mid-mounting of installation cavity has the positive reverse servo motor of second, and the positive reverse servo motor of second adopts the biax to stretch the motor, and equal drive connection has the installation lead screw on two output shafts of the positive reverse servo motor of second, and the screw thread on two installation lead screws is turned around to opposite, it is equipped with two installation swivel nuts still to slide in the installation cavity, and two installation swivel nuts all cup joint respectively two through the threaded connection mode on the installation lead screw.

As a further scheme of the invention: two equal fixed mounting has the installation piece on the installation swivel nut, all is provided with locking arris piece on the clamping face of two installation piece tip, seted up on the cabinet body with the corresponding locking groove of locking arris piece when two installation swivel nuts are close to each other for two locking arris pieces imbed two locking inslots respectively, fixed in order to accomplish the locking to the cabinet body, otherwise, when two installation swivel nuts were kept away from each other, can realize breaking away from locking arris piece from locking inslot, can realize lifting off the cabinet body.

As a further scheme of the invention: the support frame fixed mounting is on the base, set up the groove that resets in the base, the inslot horizontal slip that resets is equipped with the slider that resets, resets and is connected through reset spring between the one end in slider and the groove that resets, the slider that resets through the rope that resets with the bottom of support slider is connected.

As a further scheme of the invention: the bottom surface four corners of base all is provided with the landing leg, and the bottom of each landing leg all has the support truckle.

As a further scheme of the invention: for guaranteeing the stability of this book case when not needing to remove, set up the support chamber in the base, support the intracavity and rotate and be equipped with accommodate the lead screw, extend to the outer support chamber tip fixed mounting of base has adjustment handle, and horizontal slip locates support the regulation swivel nut of intracavity and cup joint through the threaded connection mode accommodate on the lead screw, still fixed mounting has branch on the regulation swivel nut, the bottom of branch through elastic support piece erect with support the corresponding clutch blocks of truckle.

As a further scheme of the invention: the elastic supporting piece comprises a supporting groove formed in the supporting rod and a supporting plate arranged in the supporting groove through a plurality of compression spring elastic supporting frames, and the friction block is fixedly connected with the supporting plate.

As a further scheme of the invention: the opening of the supporting groove is also provided with an anti-drop block to prevent the supporting plate from dropping out of the supporting groove.

Compared with the prior art, in the embodiment provided by the invention, the first forward and reverse rotation servo motor is used for driving the winding and unwinding wheel to rotate, the two lifting ropes can be synchronously wound or unwound according to the rotation direction of the winding and unwinding wheel, the supporting slide block can be pulled to upwards slide in the guide rail groove in the winding process, so that the height of the cabinet body is lifted, and the cabinet body moves downwards under the action of the gravity of the cabinet body in the unwinding process, so that the height position of the cabinet body is adjusted; when the cabinet body is lifted, the reset spring is in a stretching state, the unwinding process of the lifting rope is facilitated, the cabinet body can smoothly move downwards under the action of the tension of the reset spring, and the lifting rope can be ensured to be in a tightening state so as to ensure the stability and reliability of unwinding and winding.

According to the embodiment of the invention, when the second forward and reverse rotation servo motor is used for driving the two mounting screw rods to synchronously rotate, the two mounting screw sleeves can be close to or away from each other according to the rotation direction of the output shaft of the second forward and reverse rotation servo motor, when the two mounting screw sleeves are close to each other, the two locking ridge blocks are respectively embedded into the two locking grooves so as to lock and fix the cabinet body, otherwise, when the two mounting screw sleeves are away from each other, the locking ridge blocks can be separated from the locking grooves, and the cabinet body can be detached.

Drawings

In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention.

Fig. 1 is a schematic structural view of a portable lifting bookcase provided by the embodiment of the invention.

Fig. 2 is a partial front view of a portable lift bookcase according to an embodiment of the present invention.

Fig. 3 is a schematic connection diagram of a portable lifting bookcase with lifting ropes wound around retractable wheels according to an embodiment of the present invention.

Fig. 4 is an enlarged schematic view of a portion a of fig. 1.

Fig. 5 is a schematic structural view of an elastic support member in the portable lifting bookcase according to the embodiment of the present invention.

Fig. 6 is an installation structure diagram of a cabinet body in the portable lifting bookcase provided by the embodiment of the invention.

In the figure: 1-a base, 2-a cabinet body, 3-a support frame, 4-a lifting beam, 5-a guide rail groove, 6-a lifting rope, 7-a mounting block, 8-a support slider, 9-a reset rope, 10-a reset groove, 11-a reset slider, 12-a reset spring, 13-a book groove, 14-a support caster, 15-a support leg, 16-a guide pulley, 17-a take-up and pay-off wheel, 18-a first positive and negative rotation servo motor, 19-a support cavity, 20-an adjusting screw rod, 21-an adjusting handle, 22-an adjusting screw sleeve, 23-a support rod, 24-a friction block, 25-a support groove, 26-a support plate, 27-a compression spring, 28-an anti-falling block, 29-a mounting cavity and 30-a second positive and negative rotation servo motor, 31-installation screw sleeve, 32-installation screw rod, 33-locking groove and 34-locking edge block.

Detailed Description

In order to make the technical problems, technical solutions and advantageous effects to be solved by the present invention more clearly apparent, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.

Example 1

As shown in fig. 1-6, in the embodiment provided by the invention, a portable lifting bookcase comprises a cabinet body 2 detachably mounted on a lifting beam 4, wherein the cabinet body 2 is provided with a plurality of book slots 13 for storing books; the lifting cross beam 4 is arranged on the support frame 3 in a lifting and sliding manner, and the support frame 3 is also provided with a lifting assembly for adjusting the height of the cabinet body 2 in the vertical direction;

specifically, in the embodiment provided by the invention, the lifting assembly comprises a retracting wheel 17 rotatably erected on the support frame 3 and a first forward and reverse rotation servo motor 18 for driving the retracting wheel 17 to rotate, the lifting assembly further comprises two lifting ropes 6 wound on the retracting wheel 17 in the same direction, the other ends of the two lifting ropes 6 are respectively fixedly connected with two supporting sliders 8, the two supporting sliders 8 are respectively fixedly installed at two ends of the lifting beam 4, guide rail grooves 5 are respectively formed in the inner walls of two sides of the support frame 3, and the two supporting sliders 8 are respectively arranged in the two guide rail grooves 5 in a vertically sliding manner;

the supporting frame 3 is also provided with a plurality of guide pulleys 16 which play a role of guiding the lifting ropes 6;

in the embodiment provided by the invention, the first forward and reverse rotation servo motor 18 is used for driving the winding and unwinding wheel 17 to rotate, the two lifting ropes 6 can be synchronously wound or unwound according to the rotation direction of the winding and unwinding wheel 17, the supporting slide block 8 can be pulled to upwards slide in the guide rail groove 5 in the winding process, so that the height of the cabinet body 2 is lifted, and in the unwinding process, the cabinet body 2 moves downwards under the action of the gravity of the cabinet body 2, so that the height position of the cabinet body 2 is adjusted.

Further, as shown in fig. 1, 2 and 6, in the embodiment of the present invention, in order to detachably mount the cabinet 2 on the lifting beam 4, the lifting beam 4 is provided with a mounting cavity 29, the middle part of the mounting cavity 29 is provided with a second positive and negative rotation servo motor 30, the second positive and negative rotation servo motor 30 adopts a double-shaft extension motor, two output shafts of the second positive and negative rotation servo motor 30 are both in driving connection with mounting screw rods 32, the rotating directions of the threads on the two mounting screw rods 32 are opposite, two installation screw sleeves 31 are also slidably arranged in the installation cavity 29, the two installation screw sleeves 31 are respectively sleeved on the two installation screw rods 32 in a threaded connection mode, when the two mounting screws 32 are driven to rotate synchronously by the second forward and reverse rotation servo motor 30, the two mounting nuts 31 can be made to approach or separate from each other according to the rotation direction of the output shaft of the second forward/reverse rotation servo motor 30;

further, two equal fixed mounting has installation piece 7 on the installation swivel nut 31, all is provided with locking arris piece 34 on the clamping face of two installation piece 7 tip, seted up on the cabinet body 2 with locking arris piece 34 corresponding locking groove 33, when two installation swivel nuts 31 are close to each other for two locking arris pieces 34 imbed two locking inslots 33 respectively, fixed to the locking of the cabinet body 2 of completion, on the contrary, when two installation swivel nuts 31 were kept away from each other, can realize breaking away from locking arris piece 34 from locking groove 33, can realize unloading the cabinet body 2 off.

With reference to fig. 1-2, in the embodiment of the present invention, the supporting frame 3 is fixedly installed on the base 1, the base 1 is internally provided with a reset groove 10, the reset groove 10 is internally provided with a reset slider 11 in a horizontal sliding manner, the reset slider 11 is connected with one end of the reset groove 10 through a reset spring 12, the reset slider 11 is connected with the bottom end of the supporting slider 8 through a reset rope 9, when the cabinet body 2 is lifted, the reset spring 12 is in a stretching state, and in the unwinding process of the lifting rope 6, under the tensile force of the reset spring 12, the cabinet body 2 is favorably moved downward smoothly, and the lifting rope 6 can be ensured to be in a tightening state, so as to ensure the stable reliability of unwinding and winding.

Example 2

As shown in fig. 1, 4 and 5, unlike embodiment 1, in the embodiment provided by the present invention, four corners of the bottom surface of the base 1 are provided with support legs 15, and the bottom end of each support leg 15 is provided with a support caster 14;

in order to ensure the stability of the bookcase when the bookcase does not need to be moved, in the embodiment provided by the invention, a supporting cavity 19 is formed in the base 1, an adjusting screw rod 20 is rotatably arranged in the supporting cavity 19, an adjusting handle 21 is fixedly arranged at the end part of the supporting cavity 19 extending out of the base 1, an adjusting screw sleeve 22 horizontally and slidably arranged in the supporting cavity 19 is sleeved on the adjusting screw rod 20 in a threaded connection mode, a supporting rod 23 is also fixedly arranged on the adjusting screw sleeve 22, a friction block 24 corresponding to the supporting caster 14 is erected at the bottom end of the supporting rod 23 through an elastic supporting piece, the adjusting screw sleeve 20 is driven to rotate by operating the adjusting handle 21 to adjust the position of the adjusting screw sleeve 22 in the supporting cavity 19, and the supporting rod 23 is further pushed to move to the friction block 24 to abut against the supporting caster 14, so that the supporting caster 14 is locked; through the elastic supporting piece, the contact effect of the friction block 24 and the supporting caster 14 can be better, and the locking effect is ensured.

Further, in the embodiment provided by the present invention, the elastic supporting element includes a supporting groove 25 formed on the supporting rod 23 and a supporting plate 26 elastically supporting the supporting plate in the supporting groove 25 by a plurality of compression springs 27, and the friction block 24 is fixedly connected to the supporting plate 26; the opening of the supporting groove 25 is further provided with a retaining block 28 to prevent the supporting plate 26 from being removed from the supporting groove 25.

The electrical components presented in the document are all electrically connected with an external master controller and 220V mains, and the master controller can be a conventional known device controlled by a computer or the like.

In the description of the present invention, unless otherwise expressly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.

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

Claims

1. A portable lifting bookcase is characterized by comprising a case body (2) which is detachably arranged on a lifting beam (4), wherein the case body (2) is provided with a plurality of book slots (13) for storing books; the lifting cross beam (4) is arranged on the support frame (3) in a lifting and sliding manner, and a lifting assembly used for adjusting the height of the cabinet body (2) in the vertical direction is further arranged on the support frame (3);

lifting unit includes that the rotating turret establishes receive and releases wheel (17) on support frame (3) and is used for the drive to receive and release first just reverse servo motor (18) of wheel (17) rotation, lifting unit still include two syntropy around connect in receive and release two lifting rope (6) on wheel (17), the other end of two lifting rope (6) respectively with two supporting slide (8) fixed connection, two supporting slide (8) respectively fixed mounting be in the both ends of lifting beam (4), just guide rail groove (5) have all been seted up to the both sides inner wall of support frame (3), slide about two supporting slide (8) respectively and locate in two guide rail grooves (5), still be equipped with on support frame (3) a plurality of right lifting rope (6) play guide pulley (16) of guide effect.

2. The portable lifting bookcase according to claim 1, wherein the lifting beam (4) is provided with a mounting cavity (29), a second forward and reverse rotation servo motor (30) is installed in the middle of the mounting cavity (29), the second forward and reverse rotation servo motor (30) adopts a double-shaft extension motor, two output shafts of the second forward and reverse rotation servo motor (30) are respectively connected with a mounting screw rod (32) in a driving manner, the rotating directions of threads on the two mounting screw rods (32) are opposite, two mounting screw sleeves (31) are further slidably arranged in the mounting cavity (29), and the two mounting screw sleeves (31) are respectively sleeved on the two mounting screw rods (32) in a threaded connection manner.

3. The portable lifting bookcase according to claim 2, wherein the two mounting screw sleeves (31) are each fixedly provided with a mounting block (7), a clamping surface at the end of each mounting block (7) is provided with a locking edge block (34), and the cabinet body (2) is provided with a locking groove (33) corresponding to the locking edge block (34).

4. The portable lifting bookcase according to any one of claims 1 to 3 wherein the support frame (3) is fixedly mounted on a base (1), a reset groove (10) is formed in the base (1), a reset slider (11) is movably disposed in the reset groove (10) horizontally, the reset slider (11) is connected with one end of the reset groove (10) through a reset spring (12), and the reset slider (11) is connected with the bottom end of the support slider (8) through a reset rope (9).

5. The portable lifting bookcase according to claim 4, characterized in that the four corners of the bottom of the base (1) are provided with legs (15), and the bottom of each leg (15) is provided with a supporting caster (14).

6. The portable lifting bookcase according to claim 5, wherein a support cavity (19) is formed in the base (1), an adjusting screw rod (20) is rotatably arranged in the support cavity (19), an adjusting handle (21) is fixedly installed at the end of the support cavity (19) extending out of the base (1), an adjusting screw sleeve (22) horizontally slidably arranged in the support cavity (19) is sleeved on the adjusting screw rod (20) in a threaded connection manner, a supporting rod (23) is further fixedly installed on the adjusting screw sleeve (22), and a friction block (24) corresponding to the supporting caster (14) is erected at the bottom end of the supporting rod (23) through an elastic supporting member.

7. The portable lifting bookcase according to claim 6, characterized in that the elastic support comprises a support groove (25) formed on the support bar (23) and a support plate (26) elastically supported in the support groove (25) by a plurality of compression springs (27), and the friction block (24) is fixedly connected with the support plate (26).

8. The portable lifting bookcase according to claim 7, characterized in that the opening of the supporting slot (25) is further provided with an anti-drop block (28).