CN112021777A - A self-service lift desk based on library - Google Patents

Abstract

The invention provides a self-service elevating desk based on a library, relates to the technical field of desks, and solves the problem that the existing desks are mostly driven by motors to realize the height adjustment operation of the desks, and the power supply lines need to be pre-laid during installation and use, which is relatively cumbersome. , including a main table board and a rack; the top of the support base is connected to the lifting support frame, and the limit pins are respectively connected to the left and right sides of the support base; the handwheel screws are respectively connected to the two lifting support frames, and the hand The wheel screw is located on the top of the support base; the main table board is connected to the top of the lifting support frame, and a turning hole B is opened in the center of the main table board; the present invention can drive two places through the hand wheel screw according to the reading needs of people of different heights The lifting support frame shrinks inward or expands outward, and the lifting support frame drives the lifting and adjustment of the main table board on the top of the support base, changing the height of the main table board, and better meeting the reading needs of people of different heights.

Description

A self-service lift desk based on library

technical field

The invention belongs to the technical field of desks, and more particularly, particularly relates to a self-service elevating desk based on a library.

Background technique

A library is an institution that collects, organizes, and collects books and materials for reading and reference. Libraries appeared as early as 3000 BC. The library has functions such as preserving human cultural heritage, developing information resources, and participating in social education. The library in the school is used to read books, find information, and study places. The desks in the library are set up to facilitate students' learning.

Reference can be made to the patent CN108078157B for a self-service elevating desk for library, which mainly includes a desktop, a support beam located at the bottom of the desktop and fixed to the desktop, a motor drive assembly installed on both sides of the support beam, and a The motor drive assembly is connected to form the lifting assembly of the table legs; the motor drive assembly includes a motor, a worm, a turbine, and a screw; wherein, the motor is relatively fixedly connected to the bottom surface of the desktop; the worm is arranged horizontally, It is connected with the output end of the motor so as to be driven by the motor to rotate; the turbine is engaged with the turbine to rotate, and its rotation axis is in the vertical direction; the screw rod is coaxially connected to the turbine so as to follow and the outer thread surface of the screw rod is axially provided with a guide groove; the lifting assembly includes a first connecting sleeve, a first threaded rod, a second connecting sleeve, a second threaded rod, and an inner threaded pipe.

Existing similar library desks are mostly driven by motors to adjust the height of the desks. During installation and use, power supply lines need to be pre-laid, which is cumbersome and the motor itself is easily damaged, requiring regular maintenance by personnel, which easily affects the lifting of the desk. The use effect is high, and the transportation is difficult, the desk cannot be folded effectively, and multiple people are required to cooperate with each other to realize the desk handling operation, and the application prospect is not good.

SUMMARY OF THE INVENTION

In order to solve the above technical problems, the present invention provides a self-service elevating desk based on the library, so as to solve the problem that the existing similar library desks are mostly driven by motors to realize the height adjustment operation of the desk, and the power supply lines need to be pre-laid during installation and use. It is cumbersome and the motor itself is easily damaged, which requires regular maintenance by personnel, which easily affects the lifting and lowering effect of the desk, and is difficult to transport. Bad question.

The present invention is based on the purpose and effect of self-service lifting desks in the library, and is achieved by the following specific technical means:

A self-service elevating desk based on a library, comprising a support base, a handwheel screw, a main table board, a rack, a drive gear, a transmission shaft and a ring-shaped bookshelf; the top of the support base is connected with the lift support frame, and the limit pins are respectively connected to the left and right sides of the support base; the handwheel screws are respectively connected with two lifting support frames, and the handwheel screw rods are located on the top of the support base; the main table board is connected to the top of the lift support frame, and the center of the main table board is There is a turning hole B in the part; there are four racks in total, and the racks are slidably connected to the front and rear ends of the bottom of the main table board; there are two driving gears, and the two driving gears are respectively connected to the bottom of the main table board the front and rear ends; the transmission shaft is symmetrically located at the left and right ends of the bottom of the main table board, and the transmission shaft is connected with the hand wheel drive rod, and the hand wheel driving rod is located at the bottom of the two auxiliary table boards; the annular bookshelf is located at the bottom of the main table board. The top of the main table board and the inside of the annular bookshelf are divided into twelve parts in a surrounding shape.

Further, the annular bookshelf is rotated on the top of the main table board, and the bottom of the annular bookshelf is rotatably connected to the turning hole B opened by the main table board. An upper rolling groove is provided, and the upper and lower ends of the ball are respectively connected to the upper rolling groove and the lower rolling groove by rolling.

Further, a driven bevel gear is arranged at the bottom end of the annular bookshelf, the driven bevel gear rotates on the bottom of the main table board, and the transmission shaft is rotatably connected to the bottom of the main table board, and the inner end of the transmission shaft is provided with a driving bevel gear. , the driving bevel gear meshes with the driven bevel gear, and the inner end of the handwheel drive rod is inserted and connected with the outer end of the transmission shaft.

Further, the left and right ends of the main table board are respectively connected with an auxiliary table board through hinges, and the top end surface of the main table board is flush with the top end surface of the auxiliary table board, and the top of the outer end of the rack is attached to the bottom end surface of the auxiliary table board. .

Further, the left and right ends of the bottom of the main table board are respectively provided with two supporting sliding holes, the outer end of the rack is slidably connected in the supporting sliding holes, and the driving gear is rotatably connected in the bottom of the main table board, and the driving gear is respectively connected with the two supporting sliding holes. The inner ends of the racks are meshed with each other, and the bottom end of the driving gear is provided with a rotary knob.

Further, the bottom of the lift support frame is rotatably connected to the top of the support base, the top of the lift support frame is rotatably connected to the bottom of the main table board, and the main table board is connected to the top of the support base through the lift support frame.

Further, the lifting support frame has two places, one of which is provided with a turning hole A inside the lifting support frame, and a screw hole is opened inside the other lifting support frame, and the handwheel screw is rotatably connected to the inside of the lifting support frame. In the turning hole A, the other end of the handwheel screw is screwed into the inner screw hole of the lifting support frame.

Further, two limit sockets are respectively opened on the left and right sides of the support base, the support wheels are respectively connected to the four ends of the support base in rotation, and six fixed grooves are formed in a circular shape inside the support wheel, and the limit sockets are formed. The holes are communicated with the fixing grooves, the limit pins are respectively inserted into the limit holes on the left and right sides of the support base, and the inner ends of the limit pins are inserted into the fixed grooves inside the support wheel.

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

1. The setting of the ring-shaped bookshelf is conducive to placing some of the books in the library in the ring-shaped bookshelf, and rolling the bottom of the ring-shaped bookshelf through balls, so that personnel can adjust the rotation of the ring-shaped bookshelf on the top of the main table board. , so that the books to be read are rotated to the front and rear sides of the annular bookshelf, which is convenient for people to take and watch; and with the use of the transmission shaft and the handwheel drive rod, the handwheel drive rod can drive the drive shaft at the bottom of the main table to rotate, so as to The ring-shaped bookshelf on the top of the main table board is driven to rotate by the transmission shaft, so that it is convenient for personnel to find books inside the ring-shaped bookshelf.

2. The setting of the main table board and the auxiliary table board is conducive to the rotation and folding of the auxiliary table boards connected to the left and right ends of the main table board, reducing the area occupied by the desk and reducing the difficulty of transporting the desk; and with the use of racks and driving gears , When the auxiliary table boards at the left and right ends of the main table board are unfolded, the driving gear is driven to rotate by the turning button, so that the two racks are driven to move outward synchronously by the driving gear, so that the tops of the outer ends of the two racks are respectively attached to the two auxiliary tables. The bottom end face of the table board is used to support the front and rear ends of the bottom of the auxiliary table board.

3. The setting of the lifting support frame and the handwheel screw is beneficial to the reading needs of people of different heights. The handwheel screw drives the two lifting support frames to shrink inward or expand outward, and the lifting support frame drives the main table board on the top of the support base. Lift adjustment, change the height of the main desk board, better meet the reading needs of people of different heights, and cooperate with the setting of support wheels and limit pins, it is convenient for people to move and adjust the desk, and after the adjustment is completed, the limit The position pins are respectively inserted into the limit holes on the left and right sides of the support base, so that the inner ends of the limit pins are inserted and connected to the internal fixing grooves of the support wheel, and the support wheels at the four ends of the support base are respectively fixed by the limit pins to ensure Desk bottom stability.

Description of drawings

FIG. 1 is a schematic diagram of the top axial view structure of the present invention.

FIG. 2 is a schematic diagram of the bottom axial view structure of the present invention.

3 is a schematic diagram of the folding structure of the auxiliary table board of the present invention.

FIG. 4 is a schematic diagram of the bottom axial view connection structure of the main table board of the present invention.

5 is a schematic diagram of the split structure of the support base, the lifting support frame and the main table board of the present invention.

FIG. 6 is a schematic diagram of the split structure of the lifting support frame and the handwheel screw according to the present invention.

FIG. 7 is a schematic diagram of the split structure of the annular bookshelf on the top of the main table board of the present invention.

FIG. 8 is a schematic diagram of the split structure of the bottom of the annular bookshelf and the main table board in axial view according to the present invention.

In the figure, the corresponding relationship between component names and drawing numbers is:

1. Support base; 101. Limit jack; 2. Support wheel; 201. Fixing slot; 3. Limit pin; 4. Lifting support frame; 401, Turn hole A; 402, Screw hole; ;6, main table board; 601, turning hole B; 602, lower rolling groove; 603, supporting sliding hole; 7, rack; 8, driving gear; 801, turning knob; 9, transmission shaft; 901, driving bevel gear ; 10, the hand wheel drive rod; 11, the auxiliary table board; 12, the annular storage shelf; 1201, the driven bevel gear; 1202, the upper rolling groove;

Detailed ways

The embodiments of the present invention will be described in further detail below with reference to the accompanying drawings and examples. The following examples are intended to illustrate the present invention, but not to limit the scope of the present invention.

In the description of the present invention, it should be noted that, unless otherwise expressly specified and limited, the terms "connected" and "connected" should be understood in a broad sense, for example, it may be a fixed connection, a detachable connection, or an integral connection. Ground connection; it can be a mechanical connection or an electrical connection; it can be directly connected or indirectly connected through an intermediate medium. For those of ordinary skill in the art, the specific meanings of the above terms in the present invention can be understood in specific situations.

Example:

As shown in accompanying drawings 1 to 8:

The present invention provides a library-based self-service elevating desk, comprising a support base 1, a handwheel screw 5, a main table board 6, a rack 7, a drive gear 8, a transmission shaft 9 and a ring-shaped bookshelf 12; the top of the support base 1 is connected to a The lifting support frame 4 is connected, and the limit pins 3 are respectively connected to the left and right sides of the support base 1; the left and right sides of the support base 1 are respectively provided with two limit holes 101, and the support wheels 2 are respectively rotatably connected to the support base 1 There are six fixing grooves 201 in the four ends, and six fixing grooves 201 are formed around the inside of the support wheel 2 , the limit insertion holes 101 are communicated with the fixing grooves 201 , and the limit pins 3 are respectively inserted into the limit plugs on the left and right sides of the support base 1 . In the hole 101, the inner end of the limit pin 3 is inserted into the inner fixing groove 201 of the support wheel 2, which is convenient for personnel to move and adjust the desk, and after the movement adjustment is completed, the limit pin 3 is inserted into the support base 1 respectively. In the limit jacks 101 on the left and right sides, the inner ends of the limit pins 3 are inserted and connected to the inner fixing grooves 201 of the support wheel 2, and the support wheels 2 at the four ends of the support base 1 are respectively fixed by the limit pins 3 to ensure the desk. Bottom stability; the handwheel screw 5 is respectively connected with two lifting supports 4, and the handwheel screw 5 is located on the top of the support base 1; the main table board 6 is connected to the top of the lifting support frame 4, and a central part of the main table board 6 is provided with a Turn hole B601; there are four racks 7, and the racks 7 are slidably connected to the front and rear ends of the bottom of the main table 6; there are two driving gears 8, and the two driving gears 8 are respectively connected to the front and rear of the bottom of the main table 6 Both ends; the transmission shaft 9 is symmetrically located at the left and right ends of the bottom of the main table board 6, and the transmission shaft 9 is connected with the hand wheel drive rod 10, and the hand wheel drive rod 10 is located at the bottom of the two auxiliary table boards 11 respectively; 12 is located on the top of the main table board 6, and the inside of the annular bookshelf 12 has twelve parts in a surrounding shape.

Among them, the annular bookshelf 12 is rotated on the top of the main table board 6, and the bottom of the annular bookshelf 12 is rotatably connected to the turning hole B601 opened by the main table board 6. The top of the main table board 6 is provided with an annular downward rolling groove 602. The bottom of the bookshelf 12 is provided with an upper rolling groove 1202, and the upper and lower ends of the ball 13 are respectively connected to the upper rolling groove 1202 and the lower rolling groove 602 by rolling; In the bookshelf 12, the bottom of the annular bookshelf 12 is rolled and supported by the balls 13, so that personnel can rotate and adjust the annular bookshelf 12 on the top of the main table 6, so that the books to be read are rotated to the front and rear sides of the annular bookshelf 12, which is convenient People take it for viewing.

Among them, a driven bevel gear 1201 is arranged at the bottom end of the annular bookshelf 12, the driven bevel gear 1201 rotates on the bottom of the main table board 6, and the transmission shaft 9 is rotatably connected to the bottom of the main table board 6, and the inner end of the transmission shaft 9 is provided with a The driving bevel gear 901 is meshed with the driven bevel gear 1201, and the inner end of the handwheel driving rod 10 is inserted and connected with the outer end of the transmission shaft 9; the specific function is that the main table can be driven by the handwheel driving rod 10. The drive shaft 9 at the bottom of the board 6 rotates, so that the annular bookshelf 12 on the top of the main table board 6 is driven to rotate by the drive shaft 9, which is convenient for personnel to find books stored in the annular bookshelf 12.

The left and right ends of the main table board 6 are respectively connected with an auxiliary table board 11 through hinges, and the top end surface of the main table board 6 is flush with the top end surface of the auxiliary table board 11 , and the top of the outer end of the rack 7 and the bottom of the auxiliary table board 11 are flush. The end faces are attached to each other; the specific function is to rotate and fold the auxiliary table boards 11 connected to the left and right ends of the main table board 6 to reduce the occupied area of the desk and reduce the difficulty of transportation of the desk. When deployed and used, the front and rear ends of the bottom of the auxiliary table 11 are supported by the rack 7 to ensure the force-bearing effect of the bottom of the auxiliary table 11 .

The left and right ends of the bottom of the main table board 6 are respectively provided with two supporting sliding holes 603, the outer end of the rack 7 is slidably connected to the supporting sliding holes 603, and the driving gear 8 is rotatably connected to the bottom of the main table board 6, and the driving gear 8 meshes with the inner ends of the two racks 7 respectively, and the bottom end of the driving gear 8 is provided with a turning button 801; the specific function is that when the auxiliary table 11 at the left and right ends of the main table 6 is unfolded, the driving gear is driven by the turning button 801. 8 rotates, thereby driving the two racks 7 to move synchronously outward through the driving gear 8, so that the tops of the outer ends of the two racks 7 are respectively attached to the bottom end faces of the two auxiliary table boards 11, so that the front and rear sides of the bottom of the auxiliary table board 11 can be aligned. End support work.

The bottom of the lifting support frame 4 is rotatably connected to the top of the support base 1, the top of the lifting support frame 4 is rotatably connected to the bottom of the main table board 6, and the main table board 6 is connected to the top of the support base 1 through the lifting support frame 4; the specific function can be According to the reading needs of people of different heights, the main table board 6 at the top of the support base 1 is driven to lift and adjust by the lifting and lowering support frame 4, and the height of the main table board 6 is changed to better meet the reading needs of people of different heights.

Among them, there are two lifting support frames 4, one of which is provided with a turning hole A401 inside the lifting support frame 4, and a screw hole 402 is formed inside the other lifting support frame 4, and the handwheel screw 5 is rotatably connected to the lifting support In the internal rotation hole A401 of the frame 4, the other end of the handwheel screw 5 is threadedly connected to the inner screw hole 402 of the lifting support frame 4; the specific function is that when the handwheel screw 5 drives the two lifting support frames 4 to shrink inward, the lifting support frame 4. Drive the main table board 6 to fall. When the handwheel screw 5 drives the two lifting support frames 4 to expand outward, the lifting support frame 4 drives the main table board 6 to lift up, so as to ensure the lifting operation effect of the main table board 6. 6 After the lifting adjustment, the two lifting support frames 4 are fixed by the handwheel screw 5 to ensure the stability of the lifting support frame 4 during use.

The specific usage mode and function of this embodiment:

When the present invention is in use, the staff unfolds the auxiliary table 11 in the folded state of the left and right ends of the main table 6, so that the top end surface of the main table 6 is flush with the top end surface of the auxiliary table 11, and drives the driving gear through the rotary button 801. 8 rotates, the driving gear 8 further drives the two racks 7 to move synchronously outward, so that the tops of the outer ends of the two racks 7 are respectively attached to the bottom end faces of the two auxiliary table boards 11, so that the front and rear ends of the bottom of the auxiliary table board 11 can be aligned with each other. Support work; according to the reading needs of people with different heights, the two lifting support frames 4 are driven to expand outward or inward through the handwheel screw 5, and then the lifting support frame 4 can drive the main table 6 at the top of the support base 1 to lift and adjust. Change the height of the main table board 6 to better meet the reading needs of people with different heights, and after the main table board 6 is lifted and adjusted, the two lifting support frames 4 are fixed by the handwheel screw 5 to ensure the lifting support frame 4 Stability during use; when the reader needs to find books to store in the ring storage shelf 12, the drive shaft 9 at the bottom of the main table board 6 can be driven to rotate through the handwheel drive rod 10, thereby driving the ring storage at the top of the main table board 6 through the transmission shaft 9. The bookshelf 12 rotates, so that the books to be read are rotated to the front and rear sides of the annular bookshelf 12, which is convenient for personnel to take and watch.

The embodiments of the present invention are presented for purposes of illustration and description, and are not intended to be exhaustive or to limit the invention to the form disclosed. Many modifications and variations will be apparent to those of ordinary skill in the art. The embodiment was chosen and described in order to better explain the principles of the invention and the practical application, and to enable others of ordinary skill in the art to understand the invention for various embodiments with various modifications as are suited to the particular use.

Claims (8)

1. The utility model provides a use self-service lift desk based on library which characterized in that: comprises a supporting base (1), a hand wheel screw (5), a main table plate (6), a rack (7), a driving gear (8), a transmission shaft (9) and an annular book storage rack (12); the top of the supporting base (1) is connected with the lifting supporting frame (4), and the limiting pins (3) are respectively connected into the left side and the right side of the supporting base (1); the hand wheel screw rods (5) are respectively connected with the two lifting support frames (4), and the hand wheel screw rods (5) are positioned at the top of the support base (1); the main table board (6) is connected to the top of the lifting support frame (4), and a rotating hole B (601) is formed in the center of the main table board (6); the racks (7) are arranged at four positions, and the racks (7) are respectively connected to the front end and the rear end of the bottom of the main table board (6) in a sliding manner; the driving gears (8) are arranged at two positions, and the two driving gears (8) are respectively connected to the front end and the rear end of the bottom of the main table plate (6); the transmission shafts (9) are symmetrically positioned at the left end and the right end of the bottom of the main table board (6), the transmission shafts (9) are connected with hand wheel driving rods (10), and the hand wheel driving rods (10) are respectively positioned at the bottoms of the two auxiliary table boards (11); the annular book storage rack (12) is positioned at the top of the main table board (6), and twelve parts of the annular book storage rack (12) are in a surrounding shape.

2. The library-based self-elevating desk as recited in claim 1, wherein: the annular book storage rack (12) rotates at the top of the main table plate (6), the bottom of the annular book storage rack (12) is rotatably connected into a rotating hole B (601) formed in the main table plate (6), an annular lower rolling groove (602) is formed in the top of the main table plate (6), an upper rolling groove (1202) is formed in the bottom of the annular book storage rack (12), and the upper end and the lower end of the ball (13) are respectively connected into the upper rolling groove (1202) and the lower rolling groove (602) in a rolling mode.

3. The library-based self-elevating desk as recited in claim 1, wherein: the annular bookshelf (12) that deposits is equipped with one department driven bevel gear (1201) in the bottom, driven bevel gear (1201) rotate in main table (6) bottom, and transmission shaft (9) rotate to be connected in main table (6) bottom, and transmission shaft (9) inner is equipped with one department drive bevel gear (901), and drive bevel gear (901) and driven bevel gear (1201) mesh mutually to hand wheel actuating lever (10) inner and transmission shaft (9) outer end are inserted and are closed and be connected.

4. The library-based self-elevating desk as recited in claim 1, wherein: both ends are connected with one through hinged joint respectively about main table (6) and are assisted table (11), and main table (6) top end face with assist table (11) top end face parallel and level to rack (7) outer end top pastes with assistance table (11) bottom terminal surface mutually.

5. The library-based self-elevating desk as recited in claim 1, wherein: two support slide holes (603) have been seted up respectively to main table (6) bottom left and right sides both ends, rack (7) outer end sliding connection in supporting slide hole (603), and drive gear (8) rotate to be connected in main table (6) bottom, drive gear (8) mesh mutually with two rack (7) inner respectively to drive gear (8) bottom is equipped with a knob (801).

6. The library-based self-elevating desk as recited in claim 1, wherein: the bottom of the lifting support frame (4) is rotatably connected to the top of the support base (1), the top of the lifting support frame (4) is rotatably connected to the bottom of the main table plate (6), and the main table plate (6) is connected to the top of the support base (1) through the lifting support frame (4).

7. The library-based self-elevating desk as recited in claim 1, wherein: the lifting support frame (4) has two positions, one of the two positions is provided with a rotating hole A (401) inside the lifting support frame (4), the other position is provided with a screw hole (402) inside the lifting support frame (4), the hand wheel screw (5) is rotatably connected in the rotating hole A (401) inside the lifting support frame (4), and the other end of the hand wheel screw (5) is in threaded connection in the screw hole (402) inside the lifting support frame (4).

8. The library-based self-elevating desk as recited in claim 1, wherein: two spacing jacks (101) have been seted up in the support base (1) left and right sides respectively, supporting wheel (2) rotate respectively and connect in support base (1) four ends in, and supporting wheel (2) inside is that to encircle the form and has seted up six fixed slots (201), spacing jack (101) are linked together with fixed slot (201), and spacer pin (3) are inserted respectively in support base (1) left and right sides spacing jack (101), spacer pin (3) the inner is inserted and is closed and connect in supporting wheel (2) inside fixed slot (201).

Images