Student desk with space expanding function
By incorporating sliding grooves and extension mechanisms into student desks, and utilizing a crank to drive a lead screw to slide and retract the extension board, the problem of insufficient space in traditional desks is solved, achieving convenient desktop expansion and enhanced stability.
Patent Information
- Application Number
- CN202520433415.1
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-03-13
- Publication Date
- 2026-02-13
- Estimated Expiration
- 2035-03-13
AI Technical Summary
The traditional layout and capacity of student desks cannot meet the diverse learning needs of modern students, especially with the innovation of teaching models and the increase in individual differences.
A student desk with an expandable space function was designed. By setting a sliding groove and an expansion mechanism on the desktop, and using a crank to drive the lead screw to move the block, the expansion board can be slidably expanded and stored. Combined with a limiting mechanism and spring gear meshing, the stability of the expansion board is ensured.
Students can manually expand the desktop area as needed. The operation is simple and convenient, adapting to diverse learning needs. The expansion board is stable after expansion and is not easy to slide.
Smart Images
Figure CN223900452U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to desk technical field, concretely is a student desk with the function of expanding space. BACKGROUND
[0002] In today's education field, with the continuous innovation and enrichment of teaching mode, the learning environment and needs of students are experiencing significant changes. The comprehensive promotion of quality education makes schools pay more attention to cultivating students' comprehensive quality, and classroom teaching is no longer limited to traditional book knowledge transmission, but integrates diversified teaching activities, such as group cooperative learning, project inquiry, and manual practice operation. These new teaching modes require students to use more kinds of learning resources and tools in the classroom, from various teaching materials, reference books, to tablet computers, experimental equipment, and manual materials, greatly increasing the number of items that students need to place and store on the desk.
[0003] At the same time, the differentiation of individual learning needs of students is increasingly evident. Different subjects often require specific learning materials and supplies, such as paintbrushes for drawing lessons, experimental kits for science lessons, and electronic devices for foreign language learning. Moreover, as the grade increases, the depth and breadth of learning content continue to expand, and students accumulate more and more learning materials and supplies. The traditional student desk has not kept pace with these changes in design, and its space layout and capacity have long been unable to meet the learning needs of modern students. INVENTION CONTENT
[0004] The utility model aims at providing a student desk with the function of expanding space to solve the problems raised in the background technology.
[0005] To achieve the above purpose, the utility model provides the following technical scheme: a student desk with the function of expanding space, comprising a storage cabinet, the storage cabinet bottom left and right sides are symmetrically fixedly connected with support legs, the storage cabinet top is fixedly connected with a desktop panel, the desktop panel surface is provided with an expansion mechanism, the expansion mechanism is provided with a limiting mechanism;
[0006] The expansion mechanism comprises a sliding groove, the sliding groove is symmetrically opened on the left and right sides of the desktop panel, the expansion plate is slidably connected in the sliding groove, a rectangular groove is opened on the front of the desktop panel, first fixed plates are fixedly connected on the inner wall of the rectangular groove on the left and right sides near the front, a lead screw is rotatably connected on the back of the inner wall of the rectangular groove, a crank handle is fixedly connected on the front end of the lead screw, a moving block is threadedly connected on the surface of the lead screw, limiting rods are fixedly connected on the back of the first fixed plate on the left and right sides, hinged frames are fixedly connected on the left and right sides of the moving block, a hinged rod is hingedly connected in the hinged frame, and a sliding rod is hingedly connected on the other end of the hinged rod.
[0007] Preferably, the first fixed plate is provided with a hole matched with the screw rod on the front surface, and the screw rod is connected to the hole through the surface and rotates in the hole.
[0008] Preferably, the moving block is provided with a hole matched with the limiting rod on the left and right sides of the front surface, and the moving block is connected to the surface of the limiting rod through the hole and slides forward and backward, and the limiting rod limits the moving block to move forward and backward along with the rotation of the screw rod.
[0009] Preferably, the rectangular groove is provided with a hole matched with the sliding rod on the left and right sides, and the surface of the sliding rod is connected to the hole through the surface and slides left and right in the hole, and the other end of the sliding rod is fixedly connected to the expansion plate near one side of the rectangular groove.
[0010] Preferably, the limiting mechanism comprises a second fixed plate, the second fixed plate is fixedly connected to the inner wall of the rectangular groove on the left side of the front surface near the upper and lower sides, a first guide rod is fixedly connected to the right side of the second fixed plate in an upper and lower symmetrical manner, a sliding plate is slidably connected to the surface of the first guide rod, a limiting plate is fixedly connected to the right end of the first guide rod, a spring is sleeved between the surface of the first guide rod and the second fixed plate and the sliding plate, a second guide rod is fixedly connected to the right side of the sliding plate, and an arc-shaped rack is fixedly connected to the right end of the second guide rod.
[0011] Preferably, the left end of the spring is fixedly connected to the right side of the second fixed plate, and the right end of the spring is fixedly connected to the left side of the sliding plate.
[0012] Preferably, the arc-shaped rack is engaged with the gear.
[0013] Compared with the prior art, the student desk with the expansion space function has the following beneficial effects:
[0014] 1. The student desk with the expansion space function, by rotating the handle, driving the screw rod to rotate, the moving block connected to the surface of the screw rod through threads moves forward and backward under the limiting action of the limiting rod. The moving block pushes the sliding rod through the hinged frame and the hinged rod, and then makes the expansion plate slide left and right in the sliding groove. This design enables students to easily manually expand the desktop area according to actual needs, and the operation is simple and convenient, even for younger students.
[0015] 2. The student desk with the expansion space function, by the limiting mechanism, the arc-shaped rack is engaged with the gear by the elastic force of the spring, and the screw rod is further limited, so that the expansion plate does not slide in the sliding groove after expansion due to the random rotation of the screw rod. BRIEF DESCRIPTION OF DRAWINGS
[0016] In order to more clearly illustrate the technical solutions in the embodiments of the present application, the drawings needed to be used in the description of the embodiments will be briefly introduced. Obviously, the drawings in the following description are only some embodiments of the present application, and for those skilled in the art, other drawings can be obtained without creative labor on the basis of these drawings.
[0017] Figure 1 It is a three-dimensional schematic view of the structure of the present application.
[0018] Figure 2 It is a three-dimensional schematic view of the structure of the present application.
[0019] Figure 3 It is a three-dimensional schematic view of the structure of the present application.
[0020] Figure 4 It is a three-dimensional schematic view of the structure of the present application.
[0021] Figure 5 It is a three-dimensional schematic view of the structure of the present application.
[0022] In the figure: 1, storage cabinet; 2, support leg; 3, desktop panel; 4, expansion mechanism; 41, sliding groove; 42, expansion plate; 43, rectangular groove; 44, first fixed plate; 45, screw rod; 46, crank; 47, moving block; 48, limiting rod; 49, hinged frame; 411, hinged rod; 412, sliding rod; 5, limiting mechanism; 51, second fixed plate; 52, first guide rod; 53, sliding plate; 54, limiting plate; 55, spring; 56, second guide rod; 57, arc-shaped rack; 58, gear. DETAILED DESCRIPTION
[0023] The technical solutions in the embodiments of the present application will be described clearly and completely in combination with the drawings of the embodiments of the present application. Obviously, the described embodiments are only some embodiments of the present application, not all the embodiments. Based on the embodiments of the present application, all the other embodiments obtained by those skilled in the art without creative labor are within the scope of protection of the present application.
[0024] In the utility model, unless another definite provision and limitation, the terms "mount", "connect", "connect", "fix" and so on terms should do broad sense understanding, for example, can be fixed connection, also can be detachable connection, or be integrated;Can be mechanical connection, also can be electrical connection;Can be direct connection, also can through the intermediate medium indirectly connect, can be two element inside's intercommunication or two element's interaction relationship.For the ordinary skill in the art, the above terms can be understood according to the specific meaning in the utility model.
[0025] The utility model provides the following technical scheme:
[0026] Embodiment one
[0027] Please refer to Figures 1-4 The utility model provides a technical scheme: a student desk with expansion space function, including storage cabinet 1, the bottom of storage cabinet 1 left and right sides symmetry fixedly connected with support leg 2, storage cabinet 1 top fixedly connected with desktop panel 3, and the surface of desktop panel 3 is provided with expansion mechanism 4, and expansion mechanism 4 is provided with limiting mechanism 5 in;
[0028] Expansion mechanism 4 includes sliding slot 41, and sliding slot 41 is symmetrically set on the left and right sides of desktop panel 3, and expansion plate 42 is slidably connected in sliding slot 41, and rectangular groove 43 is formed on the front of desktop panel 3, and first fixed plate 44 is fixedly connected to the inner wall of rectangular groove 43 on the left and right sides close to the front surface, and screw rod 45 is rotatably connected to the back surface of the inner wall of rectangular groove 43, and crank 46 is fixedly connected to the front end of screw rod 45, and moving block 47 is screwedly connected to the surface of screw rod 45, and limiting rod 48 is fixedly connected to the back surface of first fixed plate 44 on the left and right sides, and hinged frame 49 is fixedly connected to the left and right sides of moving block 47, and hinged rod 411 is hingedly connected in hinged frame 49, and sliding rod 412 is hingedly connected to the other end of hinged rod 411.
[0029] The front surface of first fixed plate 44 is provided with a hole matched with screw rod 45, and the surface of the screw rod is penetrated and rotatably connected in the hole, and the rear end of limiting rod 48 is fixedly connected to the back surface of the inner wall of rectangular groove 43.
[0030] The left and right sides of the front surface of moving block 47 are provided with holes matched with limiting rod 48, and moving block 47 is slidably connected to the surface of limiting rod 48 through the holes, and limiting rod 48 limits moving block 47, so that moving block 47 moves forward and backward along with the rotation of screw rod 45.
[0031] The left and right sides of rectangular groove 43 are provided with holes matched with sliding rod 412, and the surface of sliding rod 412 is penetrated and slidably connected in the holes, and the other end of sliding rod 412 is fixedly connected to the side of expansion plate 42 close to rectangular groove 43.
[0032] Embodiment two
[0033] Please refer to Figure 5 And on the basis of the first embodiment, further get limit mechanism 5.
[0034] Limit mechanism 5 includes the second fixed plate 51, the second fixed plate 51 is fixedly connected to the inner wall of the rectangular groove 43 on both sides of the upper and lower near the front left, the first guide rod 52 is fixedly connected to the right side of the second fixed plate 51, the surface of the first guide rod 52 is slidably connected with the slide plate 53, the first guide rod 52 is fixedly connected with the limiting plate 54 on the right end, the spring 55 is sleeved between the second fixed plate 51 and the slide plate 53 on the surface of the first guide rod 52, the second guide rod 56 is fixedly connected to the right side of the slide plate 53, the arc gear rack 57 is fixedly connected to the right end of the second guide rod 56, the gear 58 is fixedly connected to the surface of the lead screw 45 near the front end.
[0035] The left end of the spring 55 is fixedly connected to the right side of the second fixed plate 51, and the right end of the spring 55 is fixedly connected to the left side of the slide plate 53.
[0036] The arc gear rack 57 is engaged with the gear 58.
[0037] In the actual operation process, when the device is used, when the students need to expand the desktop space, rotate the handle 46. The handle 46 is fixedly connected to the front end of the lead screw 45, so the rotation of the handle 46 will drive the lead screw 45 to rotate in the hole opened in the front of the first fixed plate 44. The first fixed plate 44 is fixed on both sides of the inner wall of the rectangular groove 43 near the front, which provides stable rotating support for the lead screw 45. The moving block 47 is threadedly connected to the surface of the lead screw 45. With the rotation of the lead screw 45, the moving block 47 will move along the thread direction of the lead screw 45. At the same time, the moving block 47 is provided with holes on the front and left and right sides, which are matched with the limiting rod 48. The limiting rod 48 is fixedly connected to the back of the inner wall of the rectangular groove 43, and is symmetrically distributed on both sides of the moving block 47. This makes the moving block 47 only move forward and backward in a straight line under the limitation of the limiting rod 48, with the rotation of the lead screw 45, ensuring the accuracy of the moving direction of the moving block 47, avoiding the deviation or shaking of the moving block 47 during the movement. The hinge frame 49 fixedly connected to the left and right sides of the moving block 47 is hingedly connected with the hinge rod 411. When the moving block 47 moves forward and backward, the hinge rod 411 will change the angle with the movement of the moving block 47. The other end of the hinge rod 411 is hingedly connected with the slide rod 412. The surface of the slide rod 412 penetrates through the holes opened on both sides of the rectangular groove 43 and is slidably connected with the holes. The other end of the slide rod 412 is fixedly connected to the expansion plate 42 near one side of the rectangular groove 43. Therefore, when the moving block 47 moves forward, the slide rod 412 is pushed to move to both sides by the hinge rod 411, and then drives the expansion plate 42 to slide outward in the slide groove 41 symmetrically opened on both sides of the desktop plate 3, realizing the expansion of the desktop space; when the moving block 47 moves backward, the above process is reversed, and the expansion plate 42 is retracted into the desktop plate 3, restoring the initial state of the desktop.
[0038] When the screw rod 45 rotates, the slide plate 53 is pulled to the left, so that the slide plate 53, the second guide rod 56 and the arc-shaped rack 57 move to the left. When the slide plate 53 moves to the left, the spring 55 is compressed. When the arc-shaped rack 57 moves to the left, it does not engage with the gear 58. At this time, the display board is extended by rotating the screw rod 45. When the display board is fully extended, the rotation of the screw rod 45 is stopped. Then, the slide plate 53 is released. At this time, the slide plate 53, the second guide rod 56 and the arc-shaped rack 57 move to the right under the elastic force of the spring 55. The arc-shaped rack 57 engages with the gear 58. The screw rod 45 is further limited. The display board will not slide in the sliding groove 41 due to the random rotation of the screw rod 45 after being expanded.
[0039] It should be noted that the relational terms herein such as first and second and the like are used solely to distinguish one from another entity or action, without necessarily requiring or implying any actual relationship or order between such entities or actions. Moreover, the terms "comprises", "comprising", or any other variations thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but can include other elements not expressly listed or inherent to such process, method, article, or apparatus. An element proceeded by "comprises... a" does not, without more constraints, exclude the existence of additional identical elements in the process, method, article, or apparatus that comprises the element.
Claims
1. A student desk with extended space functionality comprising a storage cabinet (1), characterized in that: The storage cabinet (1) bottom left and right sides are symmetrically fixedly connected with support legs (2), the storage cabinet (1) top is fixedly connected with a desktop panel (3), the desktop panel (3) surface is provided with an expansion mechanism (4), the expansion mechanism (4) is provided with a limiting mechanism (5) in. The expansion mechanism (4) includes a sliding groove (41), the sliding groove (41) is symmetrically opened on the left and right sides of the desktop panel (3), the sliding groove (41) is slidably connected with an expansion plate (42) inside, the desktop panel (3) front is provided with a rectangular groove (43), the first fixed plate (44) is fixedly connected on the inner wall of the rectangular groove (43) upper and lower sides near the front, the rectangular groove (43) inner wall back is rotatably connected with a lead screw (45), the lead screw (45) front end is fixedly connected with a crank handle (46), the lead screw (45) surface is threadedly connected with a moving block (47), the first fixed plate (44) back is fixedly connected with a limiting rod (48) left and right symmetrically, the moving block (47) left and right sides are symmetrically fixedly connected with a hinged frame (49), the hinged frame (49) is hingedly connected with a hinged rod (411) inside, the hinged rod (411) other end is hingedly connected with a sliding rod (412).
2. The student desk with extended space function according to claim 1, characterized in that: The first fixed plate (44) front is provided with a hole matched with the lead screw (45), and the screw surface penetrates and is rotatably connected in the hole, the limiting rod (48) rear end is fixedly connected to the back of the inner wall of the rectangular groove (43).
3. The student desk with extended space function according to claim 1, characterized in that: The moving block (47) front left and right sides are provided with holes matched with the limiting rod (48), and the moving block (47) is slidably connected to the surface of the limiting rod (48) through the holes.
4. The student desk with extended space function according to claim 1, characterized in that: The rectangular groove (43) left and right sides are provided with holes matched with the sliding rod (412), and the sliding rod (412) surface penetrates and is slidably connected in the hole, the sliding rod (412) other end is fixedly connected to the expansion plate (42) near the rectangular groove (43) side.
5. The student desk with extended space function according to claim 1, characterized in that: The limiting mechanism (5) includes a second fixed plate (51), the second fixed plate (51) is fixedly connected to the inner wall of the rectangular groove (43) upper and lower sides near the front left side, the second fixed plate (51) right side upper and lower symmetrically fixedly connected with a first guide rod (52), the first guide rod (52) surface is slidably connected with a sliding plate (53), the first guide rod (52) right end is fixedly connected with a limiting plate (54), the first guide rod (52) surface is sleeved with a spring (55) between the second fixed plate (51) and the sliding plate (53), the sliding plate (53) right side is fixedly connected with a second guide rod (56), the second guide rod (56) right end is fixedly connected with an arc-shaped rack (57), the lead screw (45) surface is fixedly connected with a gear (58) near the front end.
6. The student desk with extended space function according to claim 5, characterized in that: The spring (55) left end is fixedly connected to the right side of the second fixed plate (51), and the spring (55) right end is fixedly connected to the left side of the sliding plate (53).
7. The student desk with extended space function according to claim 5, characterized in that: The arc-shaped rack (57) is engaged with the gear (58).