Reading support capable of being rapidly disassembled, assembled and positioned

Abstract

The invention discloses a fast dismounting and positioning reading support which comprises a mounting seat (1), a supporting seat (2) and a connecting piece (3), the mounting seat (1) is used for being arranged on a table top (4) in a using state, and the connecting piece (3) is connected with the mounting seat (1) and the supporting seat (2) and used for supporting the supporting seat (2) on the mounting seat (1) and adjusting the angle of the supporting seat (2). The supporting seat (2) is used for placing an electronic product in a use state, and the mounting seat (1) can be mounted on the table top (4) from the end part of the edge of the table top (4), can horizontally move along the edge of the table top (4), and is used for adjusting the position of the mounting seat (1) on the table top (4). When the table is used, a hole does not need to be formed in the upper surface of the table top for storage, the flatness of the table top is ensured, and the table is convenient to install and adjust in position and has the advantage of being simple in structure.

Description

Technical Field

[0001] The invention relates to a reading stand capable of rapid disassembly, assembly and positioning, belonging to the technical field of office appliances. Background Art

[0002] With the development of science and technology and the progress of society, people now pay more attention to health. They pay more attention to the health of their neck, spine and wrists when using and reading laptops, tablets, mobile phones and books. Most people will be equipped with ordinary notebook reading stands at this time to adjust them to a healthy and comfortable angle.

[0003] Existing notebook reading stands are usually independent structures from the desktop, occupying a large desktop surface space and being inconvenient to store. Generally, office workers or home users only have one desk or table, and some desktop notebook stands will inevitably affect the desktop space requirements for other work when not in use.

[0004] The Chinese invention patent application with application publication number CN117397932A discloses a desktop and desk with an integrated laptop stand. The laptop reading stand is stored in a hole in the middle of the desktop, which greatly destroys the flatness of the desktop and creates a considerable number of sanitary dead corners, which will bring great hygiene and sanitation risks when in use.

[0005] The Chinese utility model patent with authorization announcement number CN220623452U discloses a reading stand that can be quickly disassembled, assembled and positioned. When disassembling and repositioning, the compression screw must be repeatedly tightened and loosened, which consumes a lot of physical strength and time, and the operation is laborious and complicated. In addition, a tightening screw is provided on the reading stand, so there must always be a gap between the bottom stand and the protruding or open groove slide rail that slides together. Due to the manufacturing precision of furniture products and to adapt to climate change, this gap is relatively large. Due to the distance magnification effect of the support legs and the support upper plate, this gap effect is magnified by dozens of times or even dozens of times, causing the stand system to shake more and lack stability, which can easily cause items such as laptops, tablets, PADs, mobile phones and books placed on the support upper plate to shake or slide, affecting the user experience. Summary of the invention

[0006] The purpose of the present invention is to provide a reading stand which can be quickly assembled and disassembled and positioned without damaging the flatness of a desktop and is convenient for installation and adjustment on the desktop.

[0007] In order to solve the above problems, the technical solution adopted by the present invention is: a reading stand for quick disassembly and positioning, including a mounting seat, a support seat and a connecting piece, the mounting seat is used to be set on the edge of the desktop in the use state, the connecting piece connects the mounting seat and the support seat, and is used to support the support seat on the mounting seat and adjust the angle of the support seat, the support seat is used to place electronic products or books in the use state, the mounting seat can be installed on the desktop from the end of the desktop edge, and can be horizontally moved along the edge of the desktop, and is used to adjust the position of the mounting seat on the desktop. When the present invention is used, it is installed on the edge of the desktop from one end of the desktop, and does not need to be opened on the desktop for storage, does not destroy the flatness of the desktop, avoids the desktop from generating sanitary dead corners, and facilitates the cleaning of the desktop. In addition, the present invention realizes installation and disassembly during use by installing and removing from the end of the desktop, which facilitates the installation and disassembly of the present invention. The present invention can adjust the position on the desktop as needed, and the adjustment can be completed by directly dragging the mounting seat to move to the required position on the desktop edge, without other such as loose bolts, etc., and its position adjustment on the desktop is convenient.

[0008] As a further improvement of the present invention, it also includes a slide rail, which is used to be fixed on the lower surface of the desktop near the edge, the lower part of the mounting seat horizontally extends toward the lower part of the desktop to form an extension, and the end of the extension protrudes upward to form a protrusion, the protrusion and the extension and the mounting seat form a slot with an opening upward, the slide rail cooperates with the slot so that the mounting seat can only move along the length direction of the slide rail on the desktop, and a limit block is fixed on the mounting seat above the slot, and the limit block is in contact with the upper or lower surface of the desktop or the side surface of the desktop edge in the use state, and is used to prevent the mounting seat from moving. The present invention sets the slide rail to limit the mounting seat upward from the bottom of the desktop, and limits the mounting seat in the horizontal direction, and sets the limit block on the upper part of the mounting seat to fit with the desktop to limit the mounting seat, ensuring that the mounting seat can only move horizontally along the length direction of the slide rail, but cannot move horizontally in the direction perpendicular to the slide rail, nor can it move in the vertical direction.

[0009] As a further improvement of the present invention, the mounting seat includes two mounting seat units with the same structure and arranged in parallel, an extension unit is arranged at the bottom of each mounting seat unit, a protrusion unit is arranged at the end of the extension unit, the mounting seat unit, the extension unit and the protrusion unit constitute a slot unit, the slot units of the two mounting seat units are matched with the slide rails, the two ends of the limit block are respectively fixedly connected to the two mounting seat units, and the connecting member includes two connecting units, one end of the two connecting units is respectively connected to the two mounting seat units, and the other end of the two connecting units is connected to the support seat. The mounting seat in the present invention includes two mounting seat units connected by the limit block, which reduces the materials required for manufacturing the mounting seat and reduces the weight of the present invention. The two mounting seat units are connected to the support seat by two connecting units, so that the force on the support seat is more uniform, thereby improving the stability of the present invention.

[0010] As a further improvement of the present invention, the mounting seat includes a mounting seat body, the card slot is located at the lower part of the mounting seat body and passes through both ends of the mounting seat body, the limit block is fixed on the mounting seat body, and the connecting piece is located above the limit block. The mounting seat body in the present invention makes the contact area between the mounting seat and the desktop larger, thereby improving the stability of the connection between the present invention and the desktop.

[0011] As a further improvement of the present invention, a slide groove is provided on the desktop and passes through at least one end thereof. The slide groove is provided on the lower surface of the desktop near the edge and is wide at the upper end and narrow at the lower end. The lower part of the mounting seat extends horizontally toward the lower part of the desktop to form an extension portion, and the end of the extension portion protrudes upward to form a protrusion. The shape of the protrusion cooperates with the slide groove to prevent the mounting seat from moving in the vertical direction. The protrusion can slide horizontally in the slide groove along the length direction of the slide groove. The present invention cooperates with the slide groove on the desktop through the protrusion, and at the same time limits the mounting seat in the horizontal direction and the vertical direction perpendicular to the slide groove, ensuring that the mounting seat can only move in the length direction of the slide groove.

[0012] As a further improvement of the present invention, a limit block is fixed on the mounting seat, the limit block and the extension portion are located on the same side of the mounting seat, and the limit block is used to fit with the side surface of the edge of the desktop or fit with the upper surface of the desktop or fit with the lower surface of the desktop. The present invention sets a limit block on the mounting seat to fit with the surface of the desktop, so that the mounting seat and the desktop are installed more compactly, and the stability of the mounting seat moving on the desktop is improved.

[0013] As a further improvement of the present invention, the mounting seat comprises two mounting seat units with the same structure and arranged in parallel, an extension unit is arranged at the bottom of each mounting seat unit, and a protrusion unit is arranged at the end of the extension unit, and the protrusion units of the two mounting seat units are slidably arranged in the slide groove. The present invention uses less materials to manufacture the mounting seat and is light in weight.

[0014] As a further improvement of the present invention, it also includes a fixing device, which is a magnet or a plurality of hooks or fixing grooves, and the magnet or hook or fixing groove is arranged on the lower surface of the desktop, and the mounting base is moved to be removed from one end of the desktop, and the magnet or hook or fixing groove fixes the mounting base, the supporting base and the connecting piece under the desktop. The present invention can fix the present invention when not in use by arranging a magnet or a fixing hook or a fixing groove on the lower surface of the desktop, so that the present invention can be stored under the desktop.

[0015] As a further improvement of the present invention, the connecting member includes a connecting rod and a supporting rod, the upper end of the connecting rod is connected to the supporting seat, the lower end of the connecting rod is rotatably connected to the upper part of the mounting seat, one end of the supporting rod is rotatably connected to the mounting seat or the supporting seat, and the other end of the supporting rod is provided with a supporting column, and more than two supporting grooves are provided on the connecting rod, and the connecting rod and the supporting rod are rotated so that the supporting column cooperates with different supporting grooves to adjust the angle of the supporting seat. The connecting member in the present invention can adjust the angle of the connecting rod by adjusting the rotation of the connecting rod and the supporting rod, thereby adjusting the angle of the supporting seat, and by providing a supporting groove on the connecting rod to cooperate with the supporting column at the end of the supporting rod, the connecting member and the supporting rod are fixed after the angle is adjusted.

[0016] In summary, the beneficial effects of the present invention are: when the present invention is used, no hole needs to be opened on the surface of the desktop for storage, thereby ensuring the flatness of the desktop, and the present invention is easy to install and adjust the position, and the present invention also has the advantage of a simple structure. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 It is a schematic diagram of the three-dimensional structure of Example 1.

[0018] Figure 2 yes Figure 1 A partial enlarged view of point A in the middle.

[0019] Figure 3 It is a schematic diagram of the three-dimensional structure of Example 1 from another angle.

[0020] Figure 4 yes Figure 3 A partial enlarged view of point B in the middle.

[0021] Figure 5 It is a schematic diagram of the position of Example 1 before being installed on the desktop.

[0022] Figure 6 This is a diagram of the use state of Example 1 when placing a laptop computer.

[0023] Figure 7 It is a schematic diagram of the three-dimensional structure of Example 5 stored under the desktop.

[0024] Figure 8 It is a schematic diagram of the three-dimensional structure of Example 3.

[0025] Fig. 9 yes Figure 8 A partial enlarged view of point C in the middle.

[0026] Fig.10 It is a schematic diagram of the three-dimensional structure of Example 3 from another angle.

[0027] Fig.11 It is a schematic diagram of the three-dimensional structure of Example 4.

[0028] Fig.12 yes Fig.11 A partial enlarged view of point D in the middle.

[0029] Fig.13 It is a schematic diagram of the three-dimensional structure of the mounting base and the desktop installation in Example 2.

[0030] Fig.14 yes Fig.13 A partial enlarged view of point E in the middle.

[0031] Wherein: 1. Mounting seat; 2. Supporting seat; 3. Connecting piece; 4. Tabletop; 5. Slide rail; 6. Extension; 7. Protrusion; 8. Slot; 9. Limiting block; 10. Mounting seat body; 11. Slot; 12. Mounting seat unit; 13. Extension unit; 14. Protrusion unit; 15. Hook; 16. Connecting rod; 17. Supporting rod; 18. Supporting groove; 19. Supporting column; 20. Supporting seat body; 21. Flanging; 22. Connecting ear plate; 23. Connecting shaft; 24. Rotating shaft A; 25. Rotating shaft B; 26. Through groove; 27. Slot unit; 28. Anti-slip baffle; 29. ​​Heat dissipation hole. DETAILED DESCRIPTION

[0032] The specific implementation of the present invention is further described below in conjunction with the accompanying drawings. Example 1

[0033] like Figures 1 to 5The shown reading stand for quick disassembly, assembly and positioning includes a mounting seat 1, a support seat 2 and a connecting piece 3. The mounting seat 1 is used to be set on the desktop 4 when in use. The connecting piece 3 connects the mounting seat 1 and the support seat 2, and is used to support the support seat 2 on the mounting seat 1 and adjust the angle of the support seat 2, wherein the connecting piece 3 is rotatably connected to the mounting seat 1. The support seat 2 is used to place electronic products when in use. The support seat 2 includes a support seat body 20, and the bottom of the support seat body 20 is provided with a flange 21 perpendicular to the support seat body. When in use, the lower part of the electronic product is supported by the flange 21, and the back of the electronic product is in contact with the support seat body 20 to support the electronic product on the support seat 2. The mounting seat 1 in this embodiment can be installed on the desktop 4 from the end of the edge of the desktop 4, and can be moved horizontally along the edge of the desktop 4. The movement of the mounting seat 1 relative to the desktop 4 is used to adjust the position of the mounting seat 1 on the desktop 4. When in use, the position of the mounting seat 1 is adjusted according to the needs of use. In this embodiment, a non-slip barrier strip 28 is fixed on the flange 21, and the non-slip barrier strip 28 is made of a silicone strip. The electronic product is supported by the non-slip barrier strip 28 to prevent the electronic product from slipping and falling off the support seat 2. In this embodiment, a plurality of heat dissipation holes 29 are opened on the support seat body 20 to facilitate the heat dissipation of the electronic product. The electronic product in this embodiment can be a laptop computer, a tablet PAD, a mobile phone, etc. Figure 6 As shown, when this embodiment is in use, books can also be placed on the support base 2.

[0034] like Figures 1 to 5As shown, the connecting member 3 in this embodiment includes a connecting rod 16 and a supporting rod 17, and the connecting rod 16 and the supporting rod 17 are in the shape of an oblong plate. A connecting ear plate 22 is fixed to the back of the supporting seat body 20, and the upper end of the connecting rod 16 is connected to the connecting ear plate 22 on the supporting seat 2 by a connecting shaft 23. The lower end of the connecting rod 16 is rotatably connected to the upper part of the mounting seat 1 by a rotating shaft A24, and the lower end of the supporting rod 17 is rotatably connected to the mounting seat 1 by a rotating shaft B25. A supporting column 19 is provided at the upper end of the supporting rod 17, and the supporting column 19 is perpendicular to the supporting rod 17. More than two supporting grooves 18 are provided on the connecting rod 16, and the width of the supporting groove 18 is slightly larger than the diameter of the supporting column 19. The connecting rod 16 is connected by rotating The rod 16 and the support rod 17 make the support column 19 cooperate with different support grooves 18 to adjust the angle of the support seat 2. In the best embodiment, an oblong through groove 26 is opened on the connecting rod 16 along its length direction. The support groove 18 is opened on the upper side of the through groove 26 and communicates with the through groove 26. In the use state, the connecting rod 16 is flipped upward to make the support column 19 located in the through groove 26, and then the connecting rod 16 and the support rod 17 are rotated to make the support column 19 move to the corresponding support groove 18 in the through groove 26, and then the connecting rod 16 is flipped downward to make the support column 19 enter the communicating support groove 18. In this embodiment, the height and angle of the support seat 2 are adjusted by adjusting the angle of the connecting rod 16. In this embodiment, the connecting shaft 23 adopts a damping shaft, and the rotating shaft A24 and the rotating shaft B25 can adopt, for example, a rotating pin, or a damping shaft.

[0035] like Figures 1 to 5 As shown, the present embodiment is provided with a slide rail 5, which is used to be fixed on the lower surface of the desktop 4 near the edge and parallel to the edge of the desktop 4. In the present embodiment, at least two countersunk holes can be opened on the slide rail 5, and bolts passing through the countersunk holes and threadedly matched with the desktop 4 can be used to fix the slide rail 5 on the lower surface of the desktop 4. The lower part of the mounting seat 1 horizontally extends toward the lower side of the desktop 4 to form an extension part 6, and the end of the extension part 6 away from the mounting seat 1 protrudes upward to form a protrusion 7, and the protrusion 7, the extension part 6 and the mounting seat 1 surround an opening The upward card slot 8, the slide rail 5 cooperates with the card slot 8 so that the mounting base 1 can only move horizontally along the length direction of the slide rail 5 on the desktop 4, but cannot move horizontally in the direction perpendicular to the slide rail 5, to prevent the present embodiment from falling off the desktop 4 when in use. A limit block 9 is fixed above the card slot 8 on the upper part of the mounting base 1. The limit block 9 is in contact with the upper surface of the edge of the desktop 4 when in use, and is used to prevent the mounting base 1 from moving downward in the vertical direction, to prevent the present embodiment from falling downward from the desktop 4 and to prevent the support base 2 from shaking.

[0036] like Figures 1 to 5As shown, the mounting seat 1 of this embodiment includes two mounting seat units 12 with the same structure and arranged in parallel. The mounting seat unit 12 is a rectangular plate structure. An extension unit 13 is arranged at the bottom of each mounting seat unit 12. The extension unit 13 and the mounting seat unit 12 form an L-shaped structure. A protrusion unit 14 is arranged at the end of the extension unit 13 away from one end of the mounting seat unit 12. The protrusion unit 14 is also in the shape of a rectangular plate. The mounting seat unit 12, the extension unit 13 and the protrusion unit 14 form a slot unit 27. The slot units 27 of the two mounting seat units 12 are both matched with the slide rail 5. The two ends of the limit block 9 are respectively fixedly connected to the two mounting seat units 12. The connecting member 3 includes two connecting units with the same structure. One end of the two connecting units is respectively connected to the two mounting seat units 12, and the other end of the two connecting units is connected to the support seat 2. Example 2

[0037] This embodiment is an improvement made on the basis of the embodiment 1. Compared with the embodiment 1, the mounting seat 1 in this embodiment includes a mounting seat body 10, such as Fig.13 and Fig.14 As shown, the mounting seat body 10 is a block with an L-shaped longitudinal section, the slot 8 is located on the upper surface of the lower horizontal part of the mounting seat body 10, and the slot 8 runs through both ends of the mounting seat body 10, the limit block 9 is fixed to the upper part of the mounting seat body 10 and is located above the slot 8, the connection part between the connector 3 and the mounting seat body 10 is above the limit block 9, and the two connector units of the connector 3 are respectively connected to the two ends of the upper part of the mounting seat body 10. The structure of the rest of the present embodiment is the same as that of the embodiment 1, and the specifics can be referred to the embodiment 1, and the present embodiment will not be repeated. Example 3

[0038] This embodiment is a further improvement on embodiment 1. Figures 8 to 10 As shown, compared with the embodiment 1, the specific structure of this embodiment to achieve horizontal movement relative to the desktop 4 is: a T-shaped slide groove 11 is provided on the desktop 4 and runs through at least one end thereof. The slide groove 11 in this embodiment runs through both ends of the desktop 4. The slide groove 11 is provided near the edge of the lower surface of the desktop 4 and is parallel to the edge of the desktop 4. The lower part of the mounting seat 1 extends horizontally toward the lower part of the desktop 4 to form an extension portion 6. The end of the extension portion 6 protrudes upward to form a protrusion 7. The protrusion 7 is T-shaped and its shape matches the slide groove 11 to prevent the mounting seat 1 from moving in the vertical direction. The protrusion 7 can slide horizontally in the slide groove 11 along the length direction of the slide groove 11. The limit block 9 in this embodiment is fixed on the top of the extension portion 6. The limit block 9 is used to fit with the lower surface of the desktop 4.

[0039] The mounting seat 1 in this embodiment includes two mounting seat units 12 with the same structure and arranged in parallel, an extension unit 13 is arranged at the bottom of each mounting seat unit 12, and a T-shaped protrusion unit 14 is arranged at the end of the extension unit 13, and the protrusion units 14 of the two mounting seat units 12 are slidably arranged in the slide groove 11. The structure of the rest of the present embodiment is the same as that of the embodiment 1, and the details can be referred to the embodiment 1, and the present embodiment will not be repeated. Example 4

[0040] This embodiment is a further improvement on embodiment 3. Compared with embodiment 3, Fig.11 and Fig.12 As shown, the limit block 9 in this embodiment is fixed on the mounting base 1, the limit block 9 and the extension portion 6 are located on the same side of the mounting base 1, the limit block 9 is located above the extension portion 6, and the limit block 9 is used to fit with the side surface of the edge of the desktop 4. The structure of the rest of the embodiment is the same as that of embodiment 3, and the details can be referred to embodiment 3, which will not be described in detail in this embodiment. Example 5

[0041] This embodiment is a further improvement of the embodiment 1. Compared with the embodiment 1, this embodiment is provided with a fixing device, which is at least three hooks 15, such as Figure 7 As shown, the present embodiment is optimally provided with four hooks 15, which are distributed at the four vertices of the rectangle. The hooks 15 are fixed on the lower surface of the desktop 4 when in use. The mounting base 1 is moved to be disassembled from one end of the desktop 4, and the connecting member 3 is flipped to be parallel to the supporting base body 20, and the connecting member 3 is in a colinear state with the mounting base unit 12. The hook 15 hooks the limit block 9 and the supporting base body 20, and the mounting base 1, the supporting base 2 and the connecting member 3 are hooked under the desktop 4 to realize the storage of the present embodiment. The present embodiment can also fix a magnet on the lower surface of the desktop 4 as a fixing device. The present embodiment is made of steel material that can be attracted by a magnet as a whole. The present embodiment is adsorbed and fixed on the lower surface of the desktop 4 by a magnet, and is used for storage when the present embodiment is not in use. The structure of the rest of the present embodiment is the same as that of the embodiment 1. The details can be referred to the embodiment 1, and the present embodiment will not be repeated.

[0042] The parts not specifically described in the above description are all prior art, or can be implemented by prior art. Moreover, the specific implementation cases described in the present invention are only preferred implementation cases of the present invention, and are not used to limit the scope of implementation of the present invention. That is, all equivalent changes and modifications made according to the content of the patent scope of the present invention should be regarded as the technical scope of the present invention.

Claims

1. A reading stand capable of rapid assembly and disassembly and positioning, comprising a mounting seat (1), a supporting seat (2) and a connecting piece (3), wherein the mounting seat (1) is used to be arranged on the edge of a desktop (4) when in use, and the connecting piece (3) connects the mounting seat (1) and the supporting seat (2) and is used to support the supporting seat (2) on the mounting seat (1) and adjust the angle of the supporting seat (2), and the supporting seat (2) is used to place electronic products or books when in use, and is characterized in that: The mounting seat (1) can be mounted on the edge of the desktop (4) from the end of the edge of the desktop (4), and can be moved horizontally along the edge of the desktop (4) to adjust the position of the mounting seat (1) on the desktop (4).

2. The quick disassembly and positioning reading stand according to claim 1, characterized in that: The device also includes a slide rail (5) which is used to be fixed on the lower surface of the desktop (4) near the edge. The lower part of the mounting seat (1) extends horizontally toward the lower part of the desktop (4) to form an extension portion (6). The end of the extension portion (6) protrudes upward to form a protrusion (7). The protrusion (7), the extension portion (6) and the mounting seat (1) form a slot (8) with an opening facing upward. The slide rail (5) cooperates with the slot (8) so that the mounting seat (1) can only move on the desktop (4) along the length direction of the slide rail (5). A limit block (9) is fixed on the mounting seat (1) above the slot (8). The limit block (9) is in contact with the upper surface or the lower surface of the desktop (4) or with the side surface of the edge of the desktop (4) in the use state, so as to prevent the mounting seat (1) from moving.

3. The quick disassembly and positioning reading stand according to claim 2, characterized in that: The mounting seat (1) comprises two mounting seat units (12) of identical structure and arranged in parallel, an extension unit (13) is arranged at the bottom of each mounting seat unit (12), a protrusion unit (14) is arranged at the end of the extension unit (13), the mounting seat unit (12), the extension unit (13) and the protrusion unit (14) form a slot unit (27), the slot units (27) of the two mounting seat units (12) are matched with the slide rail (5), the two ends of the limit block (9) are respectively fixedly connected to the two mounting seat units (12), and the connecting member (3) comprises two connecting units, one end of the two connecting units is respectively connected to the two mounting seat units (12), and the other end of the two connecting units is connected to the support seat (2).

4. The quick disassembly and positioning reading stand according to claim 2, characterized in that: The mounting seat (1) comprises a mounting seat body (10), the slot (8) is located at the lower part of the mounting seat body (10) and passes through both ends of the mounting seat body (10), the limit block (9) is fixed on the mounting seat body (10), and the connecting piece (3) is located above the limit block (9).

5. The quick disassembly and positioning reading stand according to claim 1, characterized in that: A slide groove (11) is provided on the table top (4) and passes through at least one end thereof. The slide groove (11) is provided on the lower surface of the table top (4) near the edge and is wide at the upper end and narrow at the lower end. The lower portion of the mounting seat (1) extends horizontally toward the lower portion of the table top (4) to form an extension portion (6). The end of the extension portion (6) protrudes upward to form a protrusion (7). The shape of the protrusion (7) cooperates with the slide groove (11) to prevent the mounting seat (1) from moving in the vertical direction. The protrusion (7) can slide horizontally in the slide groove (11) along the length direction of the slide groove (11).

6. The quick disassembly and positioning reading stand according to claim 5, characterized in that: A limit block (9) is fixed on the mounting seat (1), the limit block (9) and the extension portion (6) being located on the same side of the mounting seat (1), the limit block (9) being used to fit with the side surface of the edge of the desktop (4) or with the upper surface of the desktop (4) or with the lower surface of the desktop (4).

7. The quick disassembly and positioning reading stand according to claim 5, characterized in that: The mounting seat (1) comprises two mounting seat units (12) of identical structure and arranged in parallel, an extension unit (13) being arranged at the bottom of each mounting seat unit (12), a protrusion unit (14) being arranged at the end of each extension unit (13), and the protrusion units (14) of the two mounting seat units (12) being slidably arranged in the slide groove (11).

8. The quick disassembly and positioning reading stand according to claim 3 or 7, characterized in that: The device also includes a fixing device, which is a magnet or a plurality of hooks (15) or fixing grooves. The magnet or hook (15) or fixing groove is arranged on the lower surface of the desktop (4). The mounting seat (1) is moved to be removed from one end of the desktop (4). The magnet or hook (15) or fixing groove fixes the mounting seat (1), the supporting seat (2) and the connecting member (3) below the desktop (4).

9. The quick disassembly and positioning reading stand according to claim 1, characterized in that: The connecting member (3) comprises a connecting rod (16) and a supporting rod (17); the upper end of the connecting rod (16) is connected to the supporting seat (2); the lower end of the connecting rod (16) is rotatably connected to the upper part of the mounting seat (1); one end of the supporting rod (17) is rotatably connected to the mounting seat (1) or the supporting seat (2); the other end of the supporting rod (17) is provided with a supporting column (19); more than two supporting grooves (18) are provided on the connecting rod (16); the connecting rod (16) and the supporting rod (17) are rotated so that the supporting column (19) cooperates with different supporting grooves (18) to adjust the angle of the supporting seat (2).

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