Back hanging unit
By designing a back hanging unit installed on the front or side of the experimental table, the problem of affecting students' sitting posture when the experimental table increases storage space is solved, and the effect of flexible storage and management of experimental equipment is achieved.
Patent Information
- Application Number
- CN202421778536.1
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-07-24
- Publication Date
- 2025-04-25
- Estimated Expiration
- 2034-07-24
AI Technical Summary
When the existing experimental table adds storage drawers to store experimental equipment, the space under the table will be reduced, affecting students' sitting posture and experimental environment.
A back hanging unit is designed to be installed on the front or side of the experimental table, including a cabinet body, storage cabinet and lifting mechanism with a rectangular structure. The storage cabinet can be lifted and lowered in a vertical direction, providing a flexible storage space, and is combined with the experimental table through a back hanging or fastener connection.
The storage space of the experimental table is increased, which avoids the reduction of the space under the table, ensures the correct sitting posture of students, and provides flexible management and access methods of experimental equipment, improving teaching efficiency.
Smart Images
Figure CN222787266U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of teaching equipment, in particular to a back-hanging unit. Background Art
[0002] With the improvement of teaching quality and requirements, classroom desks are being updated, especially laboratory tables used for experiments or teaching purposes in laboratories are also being improved. The laboratory tables allow each student to conduct experiments directly at their seats.
[0003] There are many kinds of experimental instruments needed in experimental classes. Usually, the experimental table is expanded to add several storage drawers to store experimental instruments in categories, so that students can take them directly without having to store them in the instrument cabinet in the classroom. This improves teaching efficiency for the tight class time. The experimental tables in the prior art all add storage drawers at the bottom of the table, which will reduce the space at the bottom of the table. When students sit in front of the experimental table, it is not suitable for students to place their feet, which prevents students from maintaining a correct sitting posture.
[0004] Therefore, a back hanging unit that can be combined with a laboratory table is proposed to increase the storage function of the laboratory table without affecting students from maintaining a correct sitting posture. Utility Model Content
[0005] The purpose of the utility model is to overcome the shortcomings and deficiencies of the prior art and to provide a back hanging unit. The utility model is used to be combined with a laboratory table to increase the storage space of the laboratory table and is installed at the front or side of the laboratory table without occupying the space under the table, thereby ensuring the correct sitting posture of students.
[0006] The technical solution adopted by the utility model is as follows: a back-hanging unit is used to be combined with a laboratory table and installed on the front or side of the laboratory table, including a cabinet with a rectangular structure, a storage cabinet and a lifting mechanism located below the storage cabinet are arranged inside the cabinet, the storage cabinet is a structure with one side open, the storage cabinet reciprocates in a vertical direction through the lifting mechanism, a button for controlling the lifting mechanism is provided on the cabinet, the storage cabinet has a first state extending from the top of the cabinet and a second state retracted into the cabinet, when the storage cabinet is in the second state, the top surface of the storage cabinet and the top surface of the cabinet are located on the same horizontal plane.
[0007] The lifting mechanism includes a main motor and two groups of driven components, the two groups of driven components are respectively connected to the two sides of the main motor, the driven components include an auxiliary motor, a transmission rod and a screw rod, both sides of the storage cabinet are fixedly connected with connecting rods, the connecting rods are threadedly connected to the screw rods, the main motor drives the auxiliary motor to operate through the transmission rod, and the auxiliary motor drives the connecting rod to reciprocate through the screw rod.
[0008] A plurality of partitions are provided inside the storage cabinet along the vertical direction, and a plurality of grooves are evenly distributed on the side walls of the partitions. An opening is provided at one end of the groove, and the groove opening extends to the edge of the partition. Two adjacent partitions are symmetrically arranged, and a drawer is installed between two adjacent partitions. Support edges matching the grooves extend from both side edges of the drawer, and the drawer is plugged into the groove of the partition through the support edges.
[0009] The bottom wall of the groove along the vertical direction is provided with a clamping groove, the inner wall of the clamping groove is a conical surface, and the support edge protrudes with a clamping block adapted to the clamping groove.
[0010] The groove is arranged obliquely, and the angle between the axis of the groove and the horizontal plane is 30°.
[0011] The drawer is hinged with a flap in the direction in which it opens toward the storage cabinet, and one end of the flap away from the hinge is magnetically connected to the drawer through a magnet assembly.
[0012] The storage cabinet is also provided with an exhaust port and an expansion module. The exhaust port is rotatably connected to the storage cabinet. An arc portion is provided at one end of the exhaust port, and a stopper extends from the arc portion. A circular groove matching the arc portion is provided on the storage cabinet. When the exhaust port is rotated to form an angle of 60° with the horizontal plane, the stopper abuts against the edge of the circular groove.
[0013] The beneficial effects of the utility model are as follows: the utility model is used to be combined with a laboratory table to increase the storage space of the laboratory table, and is installed at the front or side of the laboratory table, does not occupy the space under the table, and ensures the correct sitting posture of students. The cabinet can be connected to the laboratory table by a back hanging connection or a fastener connection, and can be freely and flexibly combined. The storage cabinet provides storage space and is lifted and moved within the cabinet by a lifting mechanism. When the storage equipment is not needed, the storage cabinet can be lowered into the cabinet, which ensures the storage function and does not block the students' line of sight of the blackboard during class. BRIEF DESCRIPTION OF THE DRAWINGS
[0014] In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the drawings required for use in the embodiments or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the utility model. For ordinary technicians in this field, without paying creative labor, other drawings obtained based on these drawings still belong to the scope of the utility model.
[0015] Figure 1 This is a structural schematic diagram of a back-hanging unit of the utility model;
[0016] Figure 2 This is a schematic diagram of the internal structure of the storage cabinet of the utility model when it is extended;
[0017] Figure 3 for Figure 2 A schematic diagram of the local enlarged structure at point A in the middle;
[0018] Figure 4 This is a schematic diagram of the structure of the drawer in the utility model;
[0019] Figure 5 This is a structural schematic diagram of another drawer structure in the utility model;
[0020] Figure 6 It is a structural schematic diagram of the air outlet in the utility model;
[0021] Figure 7 This is a partial structural diagram of the exhaust vent installed on the storage cabinet in the utility model;
[0022] In the figure, 1-cabinet body, 2-storage cabinet, 3-lifting mechanism, 4-button, 5-main motor, 6-auxiliary motor, 7-transmission rod, 8-screw, 9-connecting rod, 10-partition, 11-groove, 12-opening, 13-drawer, 14-support edge, 15-card slot, 16-card block, 17-flip plate, 18-magnet assembly, 19-exhaust outlet, 20-extension module, 21-arc part, 22-block, 23-circular groove. DETAILED DESCRIPTION
[0023] In order to make the purpose, technical solutions and advantages of the utility model clearer, the utility model will be further described in detail below with reference to the accompanying drawings.
[0024] It should be noted that all expressions using "first" and "second" in the embodiments of the present invention are for distinguishing two non-identical entities with the same name or non-identical parameters. It can be seen that "first" and "second" are only for the convenience of expression and should not be understood as limitations on the embodiments of the present invention. The subsequent embodiments will not explain this one by one.
[0025] The directions and positions mentioned in the present invention, such as "upper", "lower", "front", "back", "left", "right", "inside", "outside", "top", "bottom", "side", etc., are only for reference to the directions or positions of the drawings. Therefore, the directions and positions used are used to explain and understand the present invention, but not to limit the scope of protection of the present invention.
[0026] like Figures 1 to 7As shown, an embodiment of the utility model is a back-hanging unit used to be combined with a laboratory table and installed on the front or side of the laboratory table, including a cabinet 1 with a rectangular structure, a storage cabinet 2 and a lifting mechanism 3 located below the storage cabinet 2 are provided inside the cabinet 1, the storage cabinet 2 is a structure with one side open, the storage cabinet 2 reciprocates in the vertical direction through the lifting mechanism 3, the cabinet 1 is provided with a button 4 for controlling the lifting mechanism 3, the storage cabinet 2 has a first state extending from the top of the cabinet 1 and a second state retracted into the cabinet 1, when the storage cabinet 2 is in the second state, the top surface of the storage cabinet 2 and the top surface of the cabinet 1 are located on the same horizontal plane.
[0027] The beneficial effects of such a configuration are as follows: the utility model is used to be combined with a laboratory table to increase the storage space of the laboratory table, and is installed at the front or side of the laboratory table without occupying the space under the table, thereby ensuring the correct sitting posture of students, and the cabinet body can be connected to the laboratory table by a back hanging connection method or a fastener connection method, and can be freely and flexibly combined. The storage cabinet provides storage space and is lifted and moved within the cabinet body by a lifting mechanism. When the experimental equipment is not needed to be stored, the storage cabinet can be lowered into the cabinet body, which ensures the storage function without blocking the students' line of sight to the blackboard during class.
[0028] It is further configured that the lifting mechanism 3 includes a main motor 5 and two groups of driven components, the two groups of driven components are respectively connected to the two sides of the main motor 5, the driven components include an auxiliary motor 6, a transmission rod 7 and a screw 8, both sides of the storage cabinet 2 are fixedly connected with connecting rods 9, the connecting rods 9 are threadedly connected to the screw 8, the main motor 5 drives the auxiliary motor 6 to operate through the transmission rod 7, and the auxiliary motor 6 drives the connecting rod 9 to reciprocate through the screw 8.
[0029] The beneficial effects of this arrangement are as follows: the principle of the lifting mechanism is that the main motor drives the transmission rod to rotate, the transmission rod drives the auxiliary motor to operate, the other end of the auxiliary motor drives the screw to rotate, and the screw drives the connecting rod matched with its thread to rise and fall. A connecting rod is fixedly connected to each side of the storage cabinet, and the storage cabinet is driven to rise and fall by the connecting rods on both sides. This structure of the lifting mechanism can drive the storage cabinet to rise and fall more smoothly and safely.
[0030] It is further configured that a plurality of partitions 10 are provided inside the storage cabinet 2 along the vertical direction, and a plurality of grooves 11 are evenly distributed on the side walls of the partitions 10. An opening 12 is provided at one end of the groove 11, and the opening 12 of the groove 11 extends to the edge of the partition 10. Two adjacent partitions 10 are symmetrically arranged, and a drawer 13 is also installed between two adjacent partitions 10. Support edges 14 adapted to the grooves 11 are extended from both side edges of the drawer 13, and the drawer 13 is plugged into the grooves 11 of the partition 10 through the support edges 14.
[0031] The beneficial effects of this arrangement are as follows: the drawer is inserted into the groove of the partition through the supporting edge to form a plug-in connection. There are several grooves on the partition that are evenly distributed. The drawer can be freely plugged into any two grooves on the partitions on both sides that are located in the same horizontal plane, making it easy to adjust the storage space and can store and manage experimental equipment of different sizes.
[0032] It is further provided that a clamping groove 15 is provided on the bottom wall of the groove 11 in the vertical direction, the inner wall of the clamping groove 15 is a conical surface, and a clamping block 16 matched with the clamping groove 15 is protruded from the supporting edge 14 .
[0033] The beneficial effects of such a setting are as follows: the card block on the supporting edge forms a card connection with the conical card groove in the groove, which increases the firmness when the drawer and the partition are plugged in, increases the sense of segmentation, and improves the feel of pulling out or inserting the drawer.
[0034] It is further provided that the groove 11 is inclined, and the angle between the axis of the groove 11 and the horizontal plane is 30°.
[0035] The beneficial effects of this arrangement are as follows: the groove is arranged at an angle, and when the drawer is inserted into the storage cabinet, the drawer can slide to the correct position along the inclined groove due to its own gravity. The 30° angle can make the drawer slide smoothly without being too fast and hitting the storage cabinet.
[0036] It is further provided that the drawer 13 is hinged with a flap 17 in the direction in which it opens toward the storage cabinet 2 , and an end of the flap 17 away from the hinge is magnetically connected to the drawer 13 via a magnet assembly 18 .
[0037] The beneficial effects of such a setting are as follows: the drawer has a magnetic flap structure, so the experimental equipment placed in the drawer can be taken out without pulling out the drawer, which makes it more convenient and labor-saving to store and retrieve the experimental equipment.
[0038] It is further configured that the storage cabinet 2 is also provided with an exhaust outlet 19 and an expansion module 20, the exhaust outlet 19 is rotatably connected to the storage cabinet 2, an arc portion 21 is provided at one end of the exhaust outlet 19, and a stopper 22 extends from the arc portion 21, and a circular groove 23 adapted to the arc portion 21 is provided on the storage cabinet 2, and when the exhaust outlet 19 is rotated to form an angle of 60° with the horizontal plane, the stopper 22 abuts against the edge of the circular groove 23.
[0039] The beneficial effects of this arrangement are as follows: the expansion module can provide functions such as power supply and air source, enriching the functionality of the back-hanging unit; the exhaust vent is rotatably connected to the circular groove of the storage cabinet through the arc portion; the exhaust vent can be rotated to face the desktop of the laboratory table, and the maximum angle can be rotated to 60°. This angle can more efficiently absorb the exhaust gas generated by the experiment, and the exhaust vent is limited to the storage cabinet by the abutment cooperation between the block and the edge of the circular groove to prevent the exhaust vent from rotating too much and detaching from the storage cabinet, and the exhaust vent is downward ventilated to collect exhaust gas in a centralized manner for easy treatment. A lighting module is also provided on the storage cabinet to provide lighting.
[0040] The above disclosure is only a preferred embodiment of the present invention, and certainly cannot be used to limit the scope of rights of the present invention. Therefore, equivalent changes made according to the claims of the present invention are still within the scope covered by the present invention.
Claims
1. A back-hanging unit, characterized in that: The invention is used for being combined with a laboratory table and installed at the front or side of the laboratory table, comprising a cabinet body (1) of a rectangular parallelepiped structure, wherein a storage cabinet (2) and a lifting mechanism (3) located below the storage cabinet (2) are arranged inside the cabinet body (1), wherein the storage cabinet (2) is a structure with one side open, wherein the storage cabinet (2) is reciprocated in a vertical direction by the lifting mechanism (3), wherein a button (4) for controlling the lifting mechanism (3) is arranged on the cabinet body (1), wherein the storage cabinet (2) has a first state in which it is extended from the top of the cabinet body (1) and a second state in which it is retracted into the interior of the cabinet body (1), wherein when the storage cabinet (2) is in the second state, the top surface of the storage cabinet (2) is located at the same horizontal plane as the top surface of the cabinet body (1).
2. A back-hanging unit according to claim 1, characterized in that: The lifting mechanism (3) comprises a main motor (5) and two groups of driven components, the two groups of driven components are respectively connected to the two sides of the main motor (5), the driven components include an auxiliary motor (6), a transmission rod (7) and a screw rod (8), both sides of the storage cabinet (2) are fixedly connected with a connecting rod (9), the connecting rod (9) is threadedly connected to the screw rod (8), the main motor (5) drives the auxiliary motor (6) to operate through the transmission rod (7), and the auxiliary motor (6) drives the connecting rod (9) to reciprocate through the screw rod (8).
3. A back-hanging unit according to claim 1, characterized in that: A plurality of partitions (10) are arranged vertically inside the storage cabinet (2), a plurality of grooves (11) are evenly distributed on the side walls of the partitions (10), an opening (12) is arranged at one end of the grooves (11), the opening (12) of the grooves (11) extends to the edge of the partition (10), two adjacent partitions (10) are symmetrically arranged, and a drawer (13) is also installed between the two adjacent partitions (10), and the two side edges of the drawer (13) are extended with supporting edges (14) adapted to the grooves (11), and the drawer (13) is plugged into the grooves (11) of the partition (10) through the supporting edges (14).
4. A back-hanging unit according to claim 3, characterized in that: The bottom wall of the groove (11) is provided with a clamping groove (15) along the vertical direction, the inner wall of the clamping groove (15) is a conical surface, and the supporting edge (14) is protruded with a clamping block (16) adapted to the clamping groove (15).
5. A back-hanging unit according to claim 3, characterized in that: The groove (11) is arranged in an inclined manner, and the angle between the axis of the groove (11) and the horizontal plane is 30°.
6. A back-hanging unit according to claim 3, characterized in that: The drawer (13) is hinged with a flap (17) in the direction in which it opens toward the storage cabinet (2); the end of the flap (17) away from the hinge is magnetically connected to the drawer (13) via a magnet assembly (18).
7. The back-hanging unit according to claim 1, characterized in that: The storage cabinet (2) is also provided with an exhaust port (19) and an expansion module (20); the exhaust port (19) is rotatably connected to the storage cabinet (2); one end of the exhaust port (19) is provided with an arc portion (21), and a stopper (22) extends from the arc portion (21); a circular groove (23) matching the arc portion (21) is provided on the storage cabinet (2); when the exhaust port (19) is rotated to form an angle of 60° with the horizontal plane, the stopper (22) abuts against the edge of the circular groove (23).