阅读说明：本技术 多功能镇书夹 (Multifunctional paperweight clip ) 是由 廖宇奇 齐静 于 2021-01-05 设计创作，主要内容包括：本发明公开了一种多功能镇书夹,涉及镇书夹技术领域,多功能镇书夹包括垫板、上夹板组件、第一伸缩板组件、第一锁止结构、第二伸缩板组件、第二锁止结构,垫板包括第一边缘和第二边缘,第一伸缩板组件下端与垫板第一边缘固定连接、上端与上夹板组件第三边缘可转动连接；当上夹板组件转动至与第一伸缩板组件相互垂直时,第一锁止结构锁止上夹板组件,上夹板组件和垫板之间构成夹持书角的容纳空间；第二伸缩板组件下端与垫板第二边缘连接、上端与上夹板组件第四边缘可拆卸连接,通过第二锁止结构使垫板与上夹板组件之间距离固定。如此设置,固定书角时开合上夹板组件即可翻书,无需取下镇书夹,能夹持不同厚度的书角,适用范围大。(The invention discloses a multifunctional book-stabilizing clip, which relates to the technical field of book-stabilizing clips and comprises a base plate, an upper clamping plate component, a first telescopic plate component, a first locking structure, a second telescopic plate component and a second locking structure, wherein the base plate comprises a first edge and a second edge, the lower end of the first telescopic plate component is fixedly connected with the first edge of the base plate, and the upper end of the first telescopic plate component is rotatably connected with the third edge of the upper clamping plate component; when the upper clamping plate assembly rotates to be perpendicular to the first telescopic plate assembly, the first locking structure locks the upper clamping plate assembly, and an accommodating space for clamping book corners is formed between the upper clamping plate assembly and the base plate; the lower end of the second retractable plate assembly is connected with the second edge of the base plate, the upper end of the second retractable plate assembly is detachably connected with the fourth edge of the upper clamping plate assembly, and the distance between the base plate and the upper clamping plate assembly is fixed through a second locking structure. According to the arrangement, the upper clamping plate assembly can be opened and closed to turn over a book when the book corners are fixed, the paperweight is not required to be taken down, the book corners with different thicknesses can be clamped, and the application range is wide.)

1. A multi-functional paperweight clip, comprising:

a pad (1) comprising a first edge and a second edge perpendicular to each other;

an upper cleat assembly disposed above the tie plate (1), the upper cleat assembly including a third edge and a fourth edge perpendicular to each other, the first edge corresponding to the third edge, the second edge corresponding to the fourth edge;

the length of the first telescopic plate component (6) can be changed along the telescopic direction, the lower end of the first telescopic plate component is fixedly connected with the first edge of the base plate (1), the upper end of the first telescopic plate component is rotatably connected with the third edge of the upper clamping plate component, and the first telescopic plate component (6) is perpendicular to the base plate (1);

the first locking structure is used for locking the upper clamping plate assembly, when the upper clamping plate assembly rotates to be perpendicular to the first telescopic plate assembly (6), the first locking structure locks the upper clamping plate assembly, the upper clamping plate assembly and the first telescopic plate assembly (6) are relatively fixed, and at the moment, an accommodating space for clamping book corners is formed between the upper clamping plate assembly and the base plate (1);

the length of the second expansion plate component (7) can be changed along the expansion direction, the lower end of the second expansion plate component is connected with the second edge of the base plate (1), and the upper end of the second expansion plate component is detachably connected with the fourth edge of the upper clamping plate component;

and the second locking structure is used for locking the first telescopic plate assembly (6) and/or the second telescopic plate assembly (7) so as to fix the distance between the backing plate (1) and the upper clamping plate assembly.

2. The multifunctional book binder of claim 1, characterized in that the upper clamp assembly comprises an upper clamp plate (2), a lower clamp plate (3) disposed below the upper clamp plate (2), and a fastening member (4), the third edge and the fourth edge are disposed on the upper clamp plate (2), the upper clamp plate (2) is provided with a threaded hole (201), the outer surface of the fastening member (4) is provided with an external thread for matching with the threaded hole (201), the lower end of the fastening member (4) is rotatably connected with the lower clamp plate (3), a spring (5) is further disposed between the upper clamp plate (2) and the lower clamp plate (3), and the spring (5) is sleeved on the periphery of the fastening member (4).

3. The multi-function paperweight of claim 1, wherein the first locking structure is a snap-fit structure, the snap-fit structure comprises a first snap-fit block (12) and a first snap-fit groove (13), the first snap-fit block (12) is disposed on one of the upper plate (2) and the first retractable plate assembly (6), the first snap-fit groove (13) is disposed on the other, and the first snap-fit block (12) can extend into the first snap-fit groove (13).

4. The multi-functional paperweight according to claim 1, wherein each of said first and second assembly (6, 7) comprises a plurality of mutually embedded straight plates (8), and of any two adjacent straight plates (8), one of said straight plates (8) is provided with a groove (9) and a notch (10), the other of said straight plates (8) extends into said groove (9) through said notch (10), and a stopper (11) for preventing said straight plate (8) located in said groove (9) from being separated from said groove (9) is provided at said notch (10), and said second locking structure is provided between any two adjacent straight plates (8).

5. The multi-function paperweight of claim 4, wherein said second locking structure comprises a spring pin (14) and a plurality of positioning holes (15), and any two adjacent straight plates (8) are arranged, said spring pin (14) is arranged on one of said straight plates (8), said positioning holes (15) are arranged on the side wall of the other straight plate (8), said positioning holes (15) are arranged at intervals along the extension and retraction direction of said second extension plate assembly (7), and said spring pin (14) can extend into said positioning holes (15).

6. The multi-function paperweight of claim 1, wherein said second retractable plate member (7) is pivotally connected at a lower end to said second edge of said mat (1) and at an upper end to said fourth edge of said upper plate member by a snap-fit connection.

7. The multi-function paperweight of claim 6, wherein said snap-fit structure comprises a second detent (16) and a second detent (17), said second detent (16) is disposed on one of said second retractable plate assembly (7) and said upper plate assembly, said second detent (17) is disposed on the other, said second detent (16) is capable of extending into said second detent (17).

8. A multi-function paperweight according to claim 6, wherein said second retractable plate member (7) is provided with a strip-shaped catch (18) on a side facing said receiving space, said strip-shaped catch (18) being adapted to support an external device when said second retractable plate member (7) is rotated to a first position relative to said mat (1).

9. The multi-function paperweight of claim 1, wherein a bookmark (19) is movably disposed at a side of the second retractable plate assembly (7) facing the receiving space, and a moving direction of the bookmark (19) coincides with a retracting direction of the second retractable plate assembly (7).

10. The multi-function paperweight of claim 1, wherein the bottom of the mat (1) is provided with a rubber strip (23).

Technical Field

The invention relates to the technical field of paperweight clips, in particular to a multifunctional paperweight clip.

Background

In the age of knowledge explosion, people have more and more demand on reading, and reading becomes a wide civilian interaction. However, books are used more, book corners are inevitably raised or wrinkled, and in the fast-paced modern life, most people do not have the energy to maintain the books at all and pay no attention to the protection of the books for a long time, so that the service life of the books is greatly shortened, and the books are quite unattractive.

In the prior art, a special book corner clamp is designed to avoid the defects, and the book corner clamp is used for protecting book corners and avoiding the book corners from being folded after reading. Some book corner clamps are similar to clip shapes and directly clamp book corners, and some book corner clamps are provided with a fixing groove, and the book corners can extend into the fixing groove to play a role in fixing the book corners. However, no matter what kind of book corner clamp structure, the book corner clamp can influence book turning while being fixed, and the book can be turned only by clamping the book corner clamp when reading; moreover, the thickness of the book corner fixing clamp is constant, the thickness of different books is different, the book corners with different thicknesses can be fixed only by adopting different types of book corner clamps, and the application range of the same book corner clamp is single.

Therefore, how to solve the problems that the fixation of the book corner clamp influences the page turning, the thickness of the applicable book corner of the same book corner clamp is single, and the application range is small in the prior art becomes an important technical problem to be solved by technical personnel in the field.

Disclosure of Invention

The invention aims to provide a multifunctional paperweight clip to solve the technical problems that in the prior art, the fixation of a book corner clip influences page turning, the thickness of a suitable book corner of the same book corner clip is single, and the application range is small. The technical effects that can be produced by the preferred technical scheme in the technical schemes provided by the invention are described in detail in the following.

The invention provides a multifunctional paperweight clip, comprising:

a pad including a first edge and a second edge perpendicular to each other;

an upper cleat assembly disposed above the tie plate, the upper cleat assembly including a third edge and a fourth edge that are perpendicular to each other, the first edge corresponding to the third edge, the second edge corresponding to the fourth edge;

the length of the first telescopic plate component can be changed along the telescopic direction, the lower end of the first telescopic plate component is fixedly connected with the first edge of the base plate, the upper end of the first telescopic plate component is rotatably connected with the third edge of the upper clamping plate component, and the first telescopic plate component is perpendicular to the base plate;

the first locking structure is used for locking the upper clamping plate assembly, when the upper clamping plate assembly rotates to be perpendicular to the first telescopic plate assembly, the first locking structure locks the upper clamping plate assembly, the upper clamping plate assembly and the first telescopic plate assembly are relatively fixed, and at the moment, an accommodating space for clamping book corners is formed between the upper clamping plate assembly and the base plate;

the second expansion plate component can change the length along the expansion direction, the lower end of the second expansion plate component is connected with the second edge of the backing plate, and the upper end of the second expansion plate component is detachably connected with the fourth edge of the upper clamping plate component;

and the second locking structure is used for locking the first telescopic plate component and/or the second telescopic plate component so as to fix the distance between the base plate and the upper clamping plate component.

Preferably, the punch holder subassembly includes the punch holder, sets up lower plate and the piece of screwing of punch holder below, the third edge with the fourth edge sets up on the punch holder, the punch holder is equipped with the screw hole, the surface of screwing the piece is equipped with and is used for the cooperation the external screw thread of screw hole, just the lower extreme of screwing the piece with the lower plate rotationally is connected, the punch holder with still be equipped with the spring between the lower plate, the spring housing is located the periphery of screwing the piece.

Preferably, the first locking structure is a clamping structure, the clamping structure comprises a first clamping block and a first clamping groove, the first clamping block is arranged on one of the upper clamping plate and the first telescopic plate component, the first clamping groove is arranged on the other one of the upper clamping plate and the first telescopic plate component, and the first clamping block can extend into the first clamping groove.

Preferably, the first retractable plate assembly and the second retractable plate assembly comprise a plurality of straight plates which are embedded with each other, one of the two adjacent straight plates is provided with a groove and a notch, the other straight plate extends into the groove through the notch, a blocking piece used for preventing the straight plate positioned in the groove from being separated from the groove is arranged at the notch, and the second locking structure is arranged between any two adjacent straight plates.

Preferably, the second locking structure includes a spring pin and a plurality of positioning holes, in any two adjacent straight plates, the spring pin is disposed on one of the straight plates, the positioning holes are disposed on the side wall of the other straight plate, the positioning holes are arranged at intervals along the extending direction of the second retractable plate assembly, and the spring pin can extend into the positioning holes.

Preferably, the lower end of the second expansion plate component is rotatably connected with the second edge of the backing plate, and the upper end of the second expansion plate component is connected with the fourth edge of the upper clamping plate component through a clamping structure.

Preferably, the fastening structure includes a second fastening block and a second fastening groove, the second fastening block is disposed on one of the second retractable plate assembly and the upper clamping plate assembly, the second fastening groove is disposed on the other, and the second fastening block can extend into the second fastening groove.

Preferably, one side of the second retractable plate assembly facing the accommodating space is provided with a strip-shaped clamping plate, and when the second retractable plate assembly rotates to a first position relative to the base plate, the strip-shaped clamping plate is used for supporting an external device.

Preferably, a bookmark is movably arranged on one side of the second telescopic plate component facing the accommodating space, and the moving direction of the bookmark is consistent with the telescopic direction of the second telescopic plate component.

Preferably, the bottom of the backing plate is provided with a rubber strip.

According to the technical scheme provided by the invention, each multifunctional book end comprises a base plate, an upper clamping plate assembly, a first telescopic plate assembly, a first locking structure, a second telescopic plate assembly and a second locking structure. The base plate comprises a first edge and a second edge which are perpendicular to each other, the upper clamping plate assembly is arranged above the base plate and comprises a third edge and a fourth edge which are perpendicular to each other, the first edge corresponds to the third edge, and the second edge corresponds to the fourth edge; the length of the first telescopic plate component can be changed along the telescopic direction of the first telescopic plate component, namely the height of the first telescopic plate component can be changed along the vertical direction, the lower end of the first telescopic plate component is fixedly connected with the first edge of the base plate, the upper end of the first telescopic plate component is rotatably connected with the third edge of the upper clamping plate component, and the first telescopic plate component is perpendicular to the base plate; the first locking structure is used for locking the upper clamping plate assembly, when the upper clamping plate assembly rotates to be perpendicular to the first telescopic plate assembly, the first locking structure locks the upper clamping plate assembly, the upper clamping plate assembly and the first telescopic plate assembly are relatively fixed, and at the moment, an accommodating space for clamping book corners is formed between the upper clamping plate assembly and the base plate, namely the upper clamping plate assembly is located right above the base plate; the length of the second expansion plate component can also be changed along the expansion direction of the second expansion plate component, the lower end of the second expansion plate component is connected with the second edge of the backing plate, and the upper end of the second expansion plate component is detachably connected with the fourth edge of the upper clamping plate component; the second locking structure is used for locking the first telescopic plate assembly and/or the second telescopic plate assembly, so that the height value of the first telescopic plate assembly and/or the second telescopic plate assembly is fixed, the distance between the base plate and the upper clamping plate is fixed at the moment, and the containing space is constant.

Thus, when the multifunctional book end is used, the book end is placed on a desktop, the upper clamping plate assembly is locked through the first locking structure, the upper end of the second telescopic plate assembly is connected with the fourth edge of the upper clamping plate assembly, then the first telescopic plate assembly and the second telescopic plate assembly are enabled to rise to proper heights together, book corners are placed in the accommodating space, then the heights of the first telescopic plate assembly and the second telescopic plate assembly are adjusted until the upper clamping plate assembly presses the book corners right, and the heights are locked through the second locking structure. When needing to turn over the book, only need through first locking structure unblock upper clamping plate subassembly, make the relative first retractable plate subassembly of upper clamping plate subassembly rotate certain angle, can turn over the book angle, turn over the upper clamping plate subassembly again after good and back to the original position, through first locking structure locking upper clamping plate subassembly again can.

Due to the arrangement, the book can be turned over only by opening and closing the upper clamping plate assembly while fixing the book corners, and the whole book-stabilizing clamp does not need to be taken down; and the size of the accommodating space can be changed through the telescopic plate assembly, book corners with different thicknesses can be clamped, the application range is wide, and the application thickness is not single any more.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.

Fig. 1 is a schematic structural view of a multifunctional paperweight clip according to an embodiment of the present invention;

fig. 2 is a front view of the multi-function paperweight of an embodiment of the invention;

FIG. 3 is a cross-sectional view of a fit between two adjacent straight plates in an embodiment of the present invention;

FIG. 4 is a schematic illustration of a first telescoping plate assembly in an embodiment of the invention;

FIG. 5 is a schematic illustration of a second telescoping plate assembly in accordance with an embodiment of the invention;

fig. 6 is a schematic view of the multi-function paperweight before and after expansion in the embodiment of the present invention;

FIG. 7 is a diagram illustrating the structure of a mobile bookmark in an embodiment of the present invention;

fig. 8 is a schematic view of the multi-function paperweight of an embodiment of the invention as a paperweight;

fig. 9 is a schematic view of a multi-function paperweight clip as a stand according to an embodiment of the present invention;

fig. 10 is a schematic view illustrating the multifunctional paperweight as a telescopic bookstand according to an embodiment of the present invention;

fig. 11 is a schematic view of the multifunctional paperweight clip used as a painting folder, a test paper folder and a file folder according to the embodiment of the invention.

In FIGS. 1-11:

1. a base plate; 2. an upper splint; 201. a threaded hole; 3. a lower splint; 4. a tightening member; 5. a spring; 6. a first expansion plate assembly; 7. a second expansion plate assembly; 8. a straight plate; 9. a groove; 10. a notch; 11. a stopper; 12. a first clamping block; 13. a first card slot; 14. a spring pin; 15. positioning holes; 16. a second fixture block; 17. a second card slot; 18. a strip-shaped clamping plate; 19. a bookmark; 20. a strip-shaped hole; 21. a screw; 22. a nut; 23. a rubber strip.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more apparent, the technical solutions of the present invention will be described in detail below. It is to be understood that the described embodiments are merely exemplary of the invention, and not restrictive of the full scope of the invention. All other embodiments, which can be derived by a person skilled in the art from the examples given herein without any inventive step, are within the scope of the present invention.

The multifunctional paperweight clip aims to solve the problems that in the prior art, the fixation of a book corner clip influences page turning, the thickness of a book corner applicable to the same book corner clip is single, and the application range is small.

Hereinafter, embodiments will be described with reference to the drawings. The embodiments described below do not limit the contents of the invention described in the claims. The entire contents of the configurations shown in the following embodiments are not limited to those required as solutions of the inventions described in the claims.

Referring to fig. 1 to 11, in the present embodiment, as shown in fig. 1, each of the multi-functional bookend includes a backing plate 1, an upper clamping plate assembly, a first retractable plate assembly 6, a first locking structure, a second retractable plate assembly 7, and a second locking structure. Wherein, backing plate 1 includes mutually perpendicular's first edge and second edge, and the punch holder subassembly sets up in backing plate 1's top, and the punch holder subassembly includes mutually perpendicular's third edge and fourth edge, and first edge corresponds with the third edge, and the second edge corresponds with the fourth edge, and the third edge is located first edge directly over promptly, and the fourth edge is located the second edge directly over. As shown in fig. 6, the first retractable plate assembly 6 can change in length along its retractable direction, that is, change in height along the vertical direction, the lower end of the first retractable plate assembly 6 is fixedly connected to the first edge of the backing plate 1, and the upper end of the first retractable plate assembly is rotatably connected to the third edge of the upper clamp plate assembly, and the first retractable plate assembly 6 is perpendicular to the backing plate 1, that is, the first retractable plate assembly 6 is vertically disposed. Alternatively, as shown in fig. 4, the upper end edge of the first expansion plate assembly 6 is rotatably connected to the third edge of the upper cleat assembly by a pivot. First locking structure is used for the locking punch holder subassembly, when the punch holder subassembly rotate to with 6 mutually perpendicular of first expansion plate subassembly and the punch holder subassembly is located backing plate 1 directly over, first locking structure locking punch holder subassembly, punch holder subassembly rigidity, punch holder subassembly and 6 relatively fixed of first expansion plate subassembly, constitute an accommodation space between punch holder subassembly and the backing plate 1 this moment, this accommodation space is used for centre gripping book corner, the book corner can stretch into and the centre gripping is in this accommodation space. As shown in fig. 5, the lower end of the second expansion plate assembly 7 is connected to the second edge of the backing plate 1, and the upper end is detachably connected to the fourth edge of the upper clamping plate assembly, specifically, as shown in fig. 6, the second expansion plate assembly 7 can also change in length along its expansion direction, the lower end of the second expansion plate assembly 7 can be fixedly connected to the second edge of the backing plate 1, and the lower end and the second expansion plate assembly can also be rotatably connected through a rotating shaft or a hinge. The second locking structure is used for locking the first telescopic plate assembly 6 and/or the second telescopic plate assembly 7, so that the height value of the first telescopic plate assembly 6 and/or the second telescopic plate assembly 7 is fixed, the distance between the backing plate 1 and the upper clamping plate 2 is fixed at the moment, and the accommodating space is constant. Specifically, be equipped with second locking structure on first expansion plate subassembly 6 or second expansion plate subassembly 7, also all be equipped with second locking structure on first expansion plate subassembly 6 and second expansion plate subassembly 7.

Thus, when using this multi-functional book end, place the book end on the desktop, through first locking structure with the punch holder subassembly locking, and make the upper end of second retractable plate subassembly 7 and the fourth edge connection of punch holder subassembly, then make first retractable plate subassembly 6 and second retractable plate subassembly 7 together rise to suitable height, place the book corner in accommodation space, then adjust the height of first retractable plate subassembly 6 and second retractable plate subassembly 7, press down the book corner just until the punch holder subassembly, rethread second locking structure locking height. When needing to turn over the book, only need through first locking structure unblock upper clamping plate subassembly, make the upper clamping plate subassembly 6 first telescopic plate subassembly relatively rotate certain angle, can turn over the book angle, turn over the upper clamping plate subassembly again after good and back to the original position, through first locking structure locking upper clamping plate subassembly again can.

Due to the arrangement, the book can be turned over only by opening and closing the upper clamping plate assembly while fixing the book corners, and the whole book-stabilizing clamp does not need to be taken down; and the size of the accommodating space can be changed through the telescopic plate assembly, book corners with different thicknesses can be clamped, the application range is wide, and the application thickness is not single any more.

In this embodiment, as shown in fig. 10, the multi-function paperweight is used as a retractable bookstand, when the multi-function paperweight is laid down, the upper board assembly and the base board 1 are vertically arranged, the first retractable board assembly 6 or the second retractable board assembly 7 is positioned at the bottom, the other retractable board assembly is positioned at the side, and a plurality of books can be directly arranged and placed in the accommodating space.

In other embodiments, the lower end of the first expansion board assembly 6 is rotatably connected to the first edge of the base plate 1, and the upper end is fixedly connected to the third edge of the upper clamp assembly, so that the first expansion board assembly 6 and the upper clamp assembly rotate together relative to the base plate 1, and similarly, when the upper clamp assembly is rotated to be located right above the base plate 1, the first locking structure is used for locking the upper clamp assembly and the first expansion board assembly 6, namely, the upper clamp assembly and the first expansion board assembly 6 are fixed in position, and a containing space for clamping book corners can also be formed. Therefore, when a book corner is clamped and a book needs to be turned, the upper clamping plate assembly and the first telescopic plate assembly 6 are unlocked through the first locking structure, the upper clamping plate assembly and the first telescopic plate assembly rotate for a certain angle relative to the base plate 1, and the upper clamping plate assembly is separated from the position right above the base plate 1, so that the book can be turned.

As an alternative embodiment, as shown in fig. 2, the upper clamping plate assembly includes an upper clamping plate 2, a lower clamping plate 3 and a screwing member 4, the lower clamping plate 3 is disposed below the upper clamping plate 2, the third edge and the fourth edge are disposed on the upper clamping plate 2, the upper clamping plate 2 is provided with a threaded hole 201, the outer surface of the screwing member 4 is provided with an external thread for matching the threaded hole 201, the screwing member 4 protrudes from the upper surface of the upper clamping plate 2, and the lower end of the screwing member 4 is rotatably connected with the lower clamping plate 3, and the space between the backing plate 1 and the lower clamping plate 3 is an accommodating space. Therefore, the external force is screwed on the screwing piece 4, the screwing piece 4 rotates relative to the upper clamping plate 2, the screwing piece 4 moves up and down relative to the upper clamping plate 2, and the screwing piece 4 drives the lower clamping plate 3 to move up and down. In this embodiment, the tightening element 4 is provided as a bolt having a nut on the upper end surface of the upper plate 2, and an external force is applied to the nut to tighten the bolt. Specifically, the lower extreme of the piece 4 of screwing is equipped with the ring channel, and the ring channel is around the periphery of the piece 4 of screwing, and the up end of lower plate 3 is connected with the pipe section, and the lower extreme of the piece 4 of screwing stretches into in the pipe section, and the lateral wall of pipe section is equipped with the fastening hole, passes the fastening hole and stretches into in the ring channel through the fastener such as screw 21, so, can not drive lower plate 3 when screwing 4 pivoted and rotate, only can drive lower plate 3 and go up and down.

After the book corners are clamped by the upper clamping plate assembly and the base plate 1 through the telescopic plate assembly for book pressing, gaps exist between pages more or less, the book corners cannot be effectively leveled, and the pages of the book corners cannot be completely attached. So set up, after the book corner is fixed to the punch holder subassembly, can adjust the position of lower plate 3 through screwing 4 to make lower plate 3 compress tightly the book corner, effectively fix the book corner, avoid having the space, make the book corner level more.

In a preferred embodiment, as shown in fig. 2, an elastic member is further provided between the upper and lower clamping plates 2 and 3. Optionally, the elastic member is a spring 5, and the spring 5 is sleeved on the outer periphery of the tightening member 4.

So set up, the upper end of spring 5 acts on punch holder 2, the lower extreme acts on lower plate 3, plays certain cushioning effect, avoids the lower plate 3 and screws the hookup location of 4 too big to the pressure of book corner.

Preferably, the first locking structure is a clamping structure, as shown in fig. 1 and 4, the clamping structure includes a first clamping block 12 and a first clamping groove 13, the first clamping block 12 is disposed on one of the upper clamp plate 2 and the first expansion plate assembly 6, the first clamping groove 13 is disposed on the other, when the upper clamp plate 2 rotates to be perpendicular to the first expansion plate and the upper clamp plate 2 is located right above the backing plate 1, the first clamping block 12 can extend into the first clamping groove 13, that is, the first clamping block 12 is clamped into the first clamping groove 13, and at this time, the upper clamp plate 2 is fixed in position and cannot rotate or rotate continuously; when external force acts on the upper clamping plate 2, the first clamping block 12 can be separated from the first clamping groove 13, and the upper clamping plate 2 can be rotated in a recovering mode. In the present embodiment, the first latch 12 is disposed on the upper clamping plate 2, and the first latch slot 13 is disposed at the upper end of the first retractable plate assembly 6. Specifically, the first latch 12 has a small elastic deformation performance, and can be squeezed into the first engaging groove 13 and also be squeezed to separate from the first engaging groove 13.

As an alternative embodiment, as shown in fig. 3, each of the first expansion board assembly 6 and the second expansion board assembly 7 includes a plurality of straight boards 8 embedded with each other, a second locking structure is disposed between any two adjacent straight boards 8, and of any two adjacent straight boards 8, one straight board 8 is provided with a groove 9 and a notch 10, and the other straight board 8 extends into the groove 9 through the notch 10, specifically, the groove 9 is disposed on the straight board 8 at the lower end, the notch 10 is disposed on the upper edge of the straight board 8, and the straight board 8 at the upper end can extend into and move relative to the straight board 8 at the lower end. Of course, in other embodiments, the groove 9 and the notch 10 may be provided in any two adjacent straight plates 8 on the straight plate 8 at the upper end. Furthermore, as shown in fig. 3, a stopper 11 is disposed at the notch 10, and a protrusion is disposed on the straight plate 8 located in the groove 9, when two adjacent straight plates 8 move to the maximum length, the stopper 11 contacts with the protrusion, so as to prevent the straight plate 8 located in the groove 9 from separating from the groove 9, and prevent two adjacent straight plates 8 from separating.

Specifically, each second locking structure includes a spring pin 14 and a plurality of positioning holes 15, as shown in fig. 3, in any two adjacent straight plates 8, the spring pin 14 is disposed on one of the straight plates 8, the positioning holes 15 are disposed on a side wall of the other straight plate 8, the positioning holes 15 are arranged at intervals along the telescopic direction, i.e., the vertical direction, of the second telescopic plate assembly 7, and the spring pins 14 can extend into different positioning holes 15. In this embodiment, the spring pins 14 are provided on the side walls of the straight plate 8 located in the grooves 9, and the positioning holes 15 are provided on the side walls of the straight plate 8 on the outer side. When the second locking structure is in an unlocking state, the spring pin 14 is stressed, the spring pin 14 extends into the straight plate 8, and two adjacent straight plates 8 can move relatively; when the second locking structure is in a locking state, the spring pin 14 corresponds to one of the positioning holes 15, at the moment, the spring pin 14 is not stressed, the spring pin 14 pops out of the straight plate 8 on the inner side and is not stressed by extrusion force any more, the spring pin 14 extends out of the straight plate 8 on the inner side and extends out of the corresponding positioning hole 15, and at the moment, the positions of two adjacent straight plates 8 are fixed and cannot slide continuously.

In the preferred embodiment, the second expansion plate assembly 7 is pivotally connected at its lower end to the second edge of the tie plate 1 and at its upper end to the fourth edge of the upper cleat assembly by a snap-fit arrangement. Specifically, the straight plate 8 of the second expansion plate component 7 closest to the backing plate 1 is rotatably connected with the edge of the backing plate 1 through a rotating shaft; as shown in fig. 1, the fastening structure includes a second locking block 16 and a second locking groove 17, the second locking block 16 is disposed on one of the second telescopic plate assembly 7 and the upper plate assembly, the second locking groove 17 is disposed on the other, and the second locking block 16 can extend into the second locking groove 17.

In the present embodiment, the second latch 16 is disposed at the edge of the second expansion plate assembly 7 far from the straight plate 8 of the tie plate 1, and the second latch 17 is disposed at the edge of the upper clamping plate 2. Specifically, the second latch 16 has a small elastic deformation performance, and can be squeezed into the second engaging groove 17 and also be squeezed to separate from the second engaging groove 17.

According to the arrangement, when the second telescopic plate component 7 is connected with the upper clamping plate 2 through the buckle structure, the second telescopic plate component 7 is perpendicular to the first telescopic plate component 6, and the multifunctional book end can be used for book stabilization and book corner clamping; when the buckle relation is removed and the second retractable plate component 7 is separated from the upper clamping plate 2, the second retractable plate component 7 can be laid flat and positioned on the same horizontal plane with the base plate 1, and at the moment, not only book corners can be clamped between the upper clamping plate component and the base plate 1, but also the book corner clamp can be used as a painting folder, a file folder and the like.

As an alternative embodiment, as shown in fig. 7, a bookmark 19 is provided on a side of the second expansion plate assembly 7 facing the receiving space. Thus, the bookmark 19 can mark the book corner to be clamped with the position for reading the page.

Preferably, a bookmark 19 is movably disposed on a side of the second telescopic plate assembly 7 facing the accommodating space, and a moving direction of the bookmark 19 coincides with a telescopic direction of the second telescopic plate assembly 7. Specifically, two adjacent straight plates 8 of the second telescopic plate assembly 7 are respectively provided with a strip-shaped hole 20, the length direction of each strip-shaped hole 20 is the same as the telescopic direction of the second telescopic plate assembly 7, and each strip-shaped hole 20 corresponds to each other, when the two adjacent straight plates 8 move relative to each other, the two strip-shaped holes 20 are correspondingly overlapped and separated, when the length of the two adjacent straight plates 8 is shortest, the overlapping degree of the strip-shaped holes 20 is the largest, and the overall length of the strip-shaped holes 20 is the smallest; when the length of the two adjacent straight plates 8 is the longest, the overlapping degree of the strip-shaped holes 20 is the smallest, and the whole length of the strip-shaped holes 20 is the largest. Bookmark 19 is connected with the fastener, and the fastener can set up to screw 21, and screw 21 runs through bar hole 20, and nut 22 is located the outside of straight board 8, and bookmark 19 is located the inboard of straight board 8, and screw 21 and nut 22 screw-thread fit and screw 21 are connected with bookmark 19. When the nut 22 is loosened, the screw 21 can drive the bookmark 19 to move along the length direction of the bar-shaped hole 20, and when the nut 22 is tightened, the screw 21 and the bookmark 19 are fixed.

Optionally, a separate strip-shaped hole 20 is provided on each straight plate 8, the length of the strip-shaped hole 20 is substantially the same as the length of each straight plate 8 along the telescopic direction, so that the screw 21 can penetrate through different strip-shaped holes 20 and move to different positions in the strip-shaped hole 20 to mark any page position of the book corner.

So set up, the movable structure of bookmark 19 can mark the different page positions of book corner, when reading to optional position, all can mark and fix the book corner of page.

As an alternative embodiment, the side of the second telescopic plate assembly 7 facing the receiving space is provided with a strip-shaped catch plate 18, and when the second telescopic plate assembly 7 is rotated to the first position relative to the base plate 1, the strip-shaped catch plate 18 is used for supporting an external device. It should be noted that the "first position" here is a position where the second expansion plate assembly 7 rotates relative to the tie plate 1 to be located at the same horizontal plane with the tie plate 1. Specifically, external device can be books, perhaps electronic product such as cell-phone, flat board, all is equipped with second locking structure on first expansion plate subassembly 6 and the second expansion plate subassembly 7 this moment, makes multi-functional book end be as the support.

With such an arrangement, the lower end of the external device such as a book or an electronic product to be turned can be supported on the strip-shaped clamping plate 18, as shown in fig. 9, and the upper end of the external device can be directly supported on the upper clamping plate assembly, so as to be used as a support.

In a preferred embodiment, a strip-shaped catch plate 18 is movably arranged on the second telescopic plate assembly 7 in the telescopic direction. Specifically, the movable implementation manner of the strip-shaped card board 18 is the same as that of the bookmark 19, and the strip-shaped card board 18 and the bookmark 19 can share the strip-shaped hole 20, which is not described in detail herein.

So set up, through the position of adjusting bar cardboard 18, can adjust the inclination that external device supported on multi-functional book end.

As an alternative embodiment, as shown in fig. 2, the bottom of the pad 1 is provided with a rubber strip 23, and the rubber strip 23 is attached to the bottom of the pad 1.

So set up, can increase the frictional force between backing plate 1 and the outside desktop.

The application of the multifunctional paperweight is specifically described with reference to the above embodiments, and in this embodiment, the multifunctional paperweight has the following four functions:

function one, as a paperweight, as shown in fig. 8. Specifically, the multifunctional paperweight clamp is vertically placed on a desktop, the base plate 1 is positioned below, the upper clamping plate assembly is rotated firstly, the first clamping block 12 is clamped in the first clamping groove 13, and similarly, the second telescopic plate assembly 7 is rotated and stretched, so that the second clamping block 16 is also clamped in the second clamping groove 17; then, the book corners of the target books are placed between the base plate 1 and the lower clamp plate 3, namely, in the accommodating space, the telescopic lengths of the first telescopic plate assembly 6 and the second telescopic plate assembly 7 are adjusted until the book corners are just pressed by the lower clamp plate 3, the spring pins 14 extend into the corresponding positioning holes 15, the telescopic lengths are locked and fixed, and the screwing piece 4 is further screwed down to finely adjust the lower clamp plate 3, so that the lower clamp plate 3 completely compresses the book corners.

When the page needs to be turned, the clamping structure is pulled loose, the first clamping block 12 is separated from the first clamping groove 13, the upper clamping plate assembly rotates upwards, so that the page can be pulled out, the upper clamping plate assembly is rotated back again after the page is turned, and the first clamping block 12 is clamped with the first clamping groove 13 again.

In a preferred embodiment, when the bookmark 19 is used, the clamping structure needs to be pulled out and loosened first to separate the first clamping block 12 from the first clamping groove 13, the upper clamping plate assembly rotates upwards to turn the book to a required position, the fastening piece, namely the screw 21, is loosened, the bookmark 19 is moved up and down to a proper position and then is screwed, so that the bookmark 19 is fixed, the page of the book is closed, the upper clamping plate assembly is rotated to close the upper clamping plate assembly, and the first clamping block 12 and the first clamping groove 13 are clamped again.

Function two, as a scaffold, as shown in fig. 9. Specifically, place multi-functional book end on the supporting plane outside is the desktop, backing plate 1 is in the below, rotate second expansion plate subassembly 7 and make it be located same horizontal plane with backing plate 1, expand second expansion plate subassembly 7 and locking, then freely adjust first expansion plate subassembly 6 to suitable height and locking, the punch holder subassembly also rotates to the position of first fixture block 12 and first draw-in groove 13 looks joint, aim at bar cardboard 18 with the bottom of target articles such as books, cell-phone, flat board, the upper end of target article leans on punch holder 2.

And the third function is that the bookshelf can be used as a telescopic bookshelf, as shown in figure 10. Specifically, place multi-functional book end level, punch holder 2 and the vertical setting of backing plate 1 promptly, first expansion plate subassembly 6 is located the bottom, second expansion plate subassembly 7 is located the lateral part, make first fixture block 12 and first draw-in groove 13 looks joint and second fixture block 16 and second draw-in groove 17 looks joint, then freely stretch out and draw back the bookshelf as required, two expansion plate subassemblies are fixed by the locking after to suitable length, further can tighten the piece 4 that revolves again and finely tune the position of lower plate 3, adjust the book distance.

And the function is four, the picture folder, the test paper folder and the file folder are used, and the picture folder, the test paper folder and the file folder are shown in the figure 11. Specifically, with the vertical desktop of placing of multi-functional book end, backing plate 1 is in the below, rotate the punch holder subassembly and make first fixture block 12 and first draw-in groove 13 looks joint, then rotate second expansion plate subassembly 7 and make it be located same horizontal plane with backing plate 1, expand second expansion plate subassembly 7, place the drawing board again, the paper, the file etc. on backing plate 1, the side edge of target aligns the medial surface of first expansion plate subassembly 6, adjust the height of first expansion plate subassembly 6 until pushing down the target object just, first expansion plate subassembly 6 is locked this moment, high fixed, rotate soon piece 4 when pressing the holding down plate at last, finely tune lower plate 3, compress tightly the target object completely until lower plate 3.

It is understood that the same or similar parts in the above embodiments may be mutually referred to, and the same or similar parts in other embodiments may be referred to for the content which is not described in detail in some embodiments. The multiple schemes provided by the invention comprise basic schemes, are independent from each other and are not restricted with each other, but can be combined with each other under the condition of no conflict, so that multiple effects are realized together.

The above description is only for the specific embodiments of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art can easily conceive of the changes or substitutions within the technical scope of the present invention, and all the changes or substitutions should be covered within the scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the appended claims.