Split type page clip

Abstract

The utility model provides a split type book page clamp which is used for containing paper and comprises a main body piece, an operating piece, a first clamping piece and a second clamping piece, the first clamping piece is fixedly connected to the main body piece, the second clamping piece is fixedly connected to the operating piece, the main body piece and the operating piece are both in a long and thin shape, at least one part of the operating piece can be contained in the main body piece, and the operating piece is arranged in the main body piece. The main body piece and the operation piece can move relatively along the axis and rotate relatively, the first clamping pieces and the second clamping pieces are identical in number, the first clamping pieces and the second clamping pieces have a clamping position, and when the first clamping pieces and the second clamping pieces are located at the clamping position, the first clamping pieces and the second clamping pieces are clamped. The first clamping piece can be matched with the second clamping piece to form a continuous and complete annular structure, and the main body piece and the operating piece do not move relatively any more.

Description

Technical Field

[0001] The utility model relates to the field of stationery and file parts, in particular to a split book page folder. Background Art

[0002] A book page clip is a stationery item that can bind, add, reduce, and disassemble paper at will. It is mainly used to fix the paper in the book. Because it can split and combine paper, it greatly meets people's needs in work and study, and has been widely used. Now the market is roughly divided into plastic book page clips and metal book page clips. Metal book page clips are usually bound on leather books. The main disadvantages of metal book page clips are: the large volume increases the thickness of the loose-leaf book spine; the large mass makes it bulky, and it needs to be broken open with force during use, which will cause great pressure on the hands, and the user experience is poor. In addition, the metal book page clip has a complex structure and many internal parts, which is not easy to produce and assemble. Plastic book page clips are very light when they are bound on PP boards. Plastic book page clips are relatively fashionable and simple, and the manufacturing cost is relatively low compared to metal book page clips. Plastic book page clips have gradually replaced metal book page clips and become a common product in people's daily life. Among plastic book page clips, the most common ones are integrated plastic book page clips, which have the following disadvantages: one-time assembly and non-reusable, resulting in large production losses and waste of resources; complex structure, many internal parts, low structural fault tolerance, difficult to produce, assemble and use, the integrated connection is relatively fragile and easy to damage, the mechanical properties are poor, and it is easy to bend and twist at the spine, resulting in poor paper clamping effect.

[0003] Therefore, in order to improve the usability of the book page holder and the effect of fixing the paper, it is urgent to develop a book page holder that is convenient to use, flexible, small in size, simple to assemble, good in usability, and will not affect the paper. Utility Model Content

[0004] The purpose of the utility model is to provide a split book page holder to alleviate the common usage problems of existing book page holders. During use, it can be flexibly and conveniently bound and disassembled without causing discomfort to the hands, and is easy to operate. The production equipment is also very convenient.

[0005] In order to solve the above technical problems, the utility model adopts the following technical solutions:

[0006] A split book page folder for storing book pages and papers comprises: a main body, a first operating member, a second operating member, a first clamping member, a second clamping member, and a stopper. The first operating member and the second operating member are respectively detachably assembled at two ends of the main body, one end of the first clamping member is a free end, and the other end is integrally fixed to the first operating member; one end of the second clamping member is a free end, and the other end is integrally fixed to the second operating member; one end of the stopper is a free end, and the other end is integrally fixed to the main body. The main body is an elongated structure as a whole. The first operating member and the second operating member can move axially or rotate around the axis respectively relative to the main body. According to the relative positions between the main body and the first operating member and the second operating member, there are a locked position and an unlocked position, wherein:

[0007] In the locked position: the free ends of the first clamping member and the second clamping member can be buckled together with the free end of the stop member to limit the relative movement between the main member, the first operating member and the second operating member;

[0008] In the unlocking position, relative movement can occur between the main body and the first operating member and the second operating member.

[0009] Furthermore, the first operating member and the second operating member are axisymmetric structures.

[0010] Furthermore, two ends of the main body respectively include deformation parts.

[0011] Furthermore, the deformable member can be deformed in the radial direction.

[0012] Furthermore, the first operating member includes a first embracing member.

[0013] Furthermore, the second operating member includes a second embracing member.

[0014] Furthermore, in the locked position, at least a portion of the deformable member is respectively accommodated in the first embracing member and the second embracing member, and through the above-mentioned cooperation, the axial displacement of the main body member and the first operating member and the second operating member can be limited.

[0015] Furthermore, the deformable member is a U-shaped buckle.

[0016] Furthermore, the embracing member is a cylindrical structure.

[0017] Furthermore, the first operating member also includes a first limiting member along the axial direction.

[0018] Furthermore, the second operating member further includes a second limiting member along the axial direction.

[0019] Furthermore, the outer wall of the first limiting member includes a first opening along the axial direction.

[0020] Furthermore, the outer wall of the second limiter includes a second opening along the axial direction.

[0021] Furthermore, when the first operating member and the second operating member cooperate with the main body, the first opening and the second opening allow the stop member to freely pass through along the axial direction.

[0022] Furthermore, the cross-sections of the first limiting member and the second limiting member perpendicular to the axial direction are "C"-shaped.

[0023] Furthermore, the first clamping member includes a first locking member and a first abutting member.

[0024] Furthermore, the second clamping member includes a second locking member and a second abutting member.

[0025] Furthermore, the stopper includes a locking member and a supporting member.

[0026] Furthermore, the first locking member, the second locking member, the first abutting member, the second abutting member, the engaging member and the supporting member are all semi-annular structures as a whole.

[0027] Furthermore, the number of the engaging parts is the sum of the number of the first locking parts and the number of the second locking parts.

[0028] Furthermore, the number of the supporting members is the sum of the number of the first abutting members and the number of the second abutting members.

[0029] Furthermore, the free end of the first locking member includes a first hook.

[0030] Furthermore, the free end of the second locking member includes a second hook.

[0031] Furthermore, the free end of the engaging member includes a third hook.

[0032] Further, in the locked position, the first hook and the corresponding third hook are hooked together, and the second hook and the corresponding third hook are hooked together.

[0033] Furthermore, the material of the book page holder is elastic plastic.

[0034] The utility model provides a split book page holder, which has the following beneficial effects compared with the prior art:

[0035] The utility model provides a split book page clamp, which is designed for disassembly and assembly by plugging two operating parts with the two ends of the main body respectively, and the overall volume is smaller and more flexible. The structure no longer needs additional connecting parts, the structure is simpler and easy to process, and the spine of the book will not be very thick due to the small overall volume, and it is more convenient to use, which improves the user's experience of use; in addition, the hook-shaped bite structure between the clamping parts is simple and reliable, and the abutment structure, the structure of the matching of the embracing part and the deformation part, and the structure of the matching of the groove and the protrusion are introduced, so that the overall structure is more stable and will not shake easily after being buckled; and the book page clamp made of elastic plastic has a certain elasticity as a whole, and can be installed by pinching with a small force of one hand, and the operation is extremely convenient. Through the cooperation of the locking part and the abutment part, the reliability of the book page clamp structure can be guaranteed, and the user only needs to apply a small force to complete the operation, and no pressure will be generated on the user's hand to cause discomfort; the overall long strip design has a limiting effect on the paper, so that the clamped paper will not bend, it is more flat, and the clamping effect is better.

[0036] The principle and structure of the structure are simple, the volume is small, the cost is low, the stability and reliability are strong, and the adaptability is strong, which effectively solves the problem that the current book page clip has a poor feel and a poor clamping effect. BRIEF DESCRIPTION OF THE DRAWINGS

[0037] The above technical content of the utility model and the following specific implementation methods will be better understood when read in conjunction with the accompanying drawings. It should be noted that the accompanying drawings are only examples of the technical solutions claimed for protection. In the accompanying drawings, the same reference numerals represent the same or similar elements.

[0038] Figure 1 It is a three-dimensional schematic diagram of the general assembly of the book page folder;

[0039] Figure 2 is a partial enlarged schematic diagram of the unlocking position of the first operating member and the main member;

[0040] Figure 3 It is a partial enlarged schematic diagram of the assembly process of the second operating member and the main member;

[0041] Figure 4 It is a schematic diagram of the general assembly of the book page holder;

[0042] Figure 5 is a schematic diagram of a side view of the final assembly of the book page holder;

[0043] Figure 6 yes Figure 5 A partial enlarged schematic diagram of the sectional view in the AA direction;

[0044] Figure 7 It is a schematic diagram of an exploded view of the general assembly of the book page holder;

[0045] Figure 8is a three-dimensional schematic diagram of a first operating member;

[0046] Fig. 9 is a schematic top view of a first operating member;

[0047] Fig.10 is a schematic side view of a first operating member;

[0048] Fig.11 yes Fig.10 A partial enlarged schematic diagram of the first enveloping member in the sectional view in the AA direction;

[0049] Fig.12 is a three-dimensional schematic diagram of a second operating member;

[0050] Fig.13 It is a three-dimensional schematic diagram of the main part;

[0051] Fig.14 is a schematic diagram of a side view of a main body;

[0052] Fig.15 It is a partial enlarged schematic diagram of the locking position.

[0053] The reference numerals are described as follows:

[0054] First operating piece: 100

[0055] First ring piece: 110

[0056] First step: 111

[0057] First segment: 112

[0058] First rough segment: 113

[0059] The first limiter: 120

[0060] First opening: 121

[0061] First accommodating chamber: 130

[0062] Second operating part: 200

[0063] Second ring piece: 210

[0064] Second opening: 221

[0065] First clamping piece: 300

[0066] First stop: 310

[0067] First hook: 311

[0068] First contact piece: 320

[0069] First contact surface: 321

[0070] Second clamping piece: 400

[0071] Second stopper: 410

[0072] Second hook: 411

[0073] Second abutment: 420

[0074] Stopper: 500

[0075] Snap-on parts: 510

[0076] Third hook: 511

[0077] Support: 520

[0078] Third contact surface: 521

[0079] Main body: 800

[0080] Deformed parts: 810

[0081] - Elastic Arm: 811

[0082] Bumps: 812

[0083] Guide column: 820

[0084] Spine: 830

[0085] First guide surface: 3111

[0086] The first limiting surface 3112

[0087] The third guide surface: 5111

[0088] The third limit surface: 5112 DETAILED DESCRIPTION

[0089] The detailed features and advantages of the present invention are described in detail in the specific implementation modes below, and the content is sufficient to enable any technical personnel in this field to understand the technical content of the present invention and implement it accordingly. According to the description, claims and drawings disclosed in this specification, the technical personnel in this field can easily understand the relevant purposes and advantages of the present invention.

[0090] It should be noted that in this specification, similar reference numerals and letters denote similar items in the following drawings, and therefore, once an item is defined in one drawing, it does not need to be further defined and explained in the subsequent drawings.

[0091] In the description of this embodiment, it should be noted that the terms "upper" and "lower" and the like indicate orientations or positional relationships that are defined with reference to the coordinates of the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be understood as a limitation on the present invention.

[0092] The terms “first”, “second”, etc. are only used for distinguishing descriptions and should not be understood as indicating or implying relative importance.

[0093] In order to make the purpose, technical solution and advantages of the present invention more clear, the implementation mode of the present invention will be further described in detail below with reference to the accompanying drawings.

[0094] See also Figure 8 to Figure 11 , is a schematic diagram of the structure of the first operating member 100. The first operating member 100 is of tunnel-like design as a whole. A first embracing member 110, a first accommodating cavity 130 and a first limiting member 120 are respectively arranged in the axial direction, and the first operating member 100 can be detachably fixed to the main body 800. The first embracing member 110 is a closed cylinder, and the other end includes a first limiting member 120, and the first limiting member 120 includes a first opening 121, while the first accommodating cavity 130 is an open cavity, and the side opening of the first accommodating cavity 130 in the schematic diagram is larger than the first opening 121 on the side of the first limiting member 120. The interior of the first embracing member 110 is a stepped hole, and the interior thereof is divided into a first thick section 113 and a first thin section 112 by a stepped surface 111, wherein the thick section 113 is farther away from the main body 800 than the thin section 112.

[0095] See also Fig.12 , is a schematic diagram of the structure of the second operating member 200. In this schematic diagram, since the second operating member 200 and the first operating member 100 are symmetrical to each other, their detailed structures are not described in detail.

[0096] See also Fig.13 , Fig.14 , is a schematic diagram of the structure of the main body 800. The main body 800 is a variable diameter columnar structure as a whole, including guide columns 820 near both ends, and a ridge 830 in the middle. A stopper 500 is integrally provided on the guide column 820, and a deformable member 810 is provided at the end of the guide column 820. In this schematic diagram, there is a step structure at the junction of the ridge 830 and the guide column 820. At the junction, the diameter of the ridge 830 is larger than that of the guide column 820. The step structure here can limit the axial movement of the first operating member 100 and the second operating member 200.

[0097] Optionally, the ridge 830 may be a diameter gradient structure that is thin in the middle and thick at both ends, or may be any slender structure that can support the guide pillars 820 at both ends, such as a cylindrical structure with equal diameter.

[0098] See also Figure 1 It is a schematic diagram of the general assembly of the book page holder in the locked position. In this diagram, the book page holder includes a main body 800, a first operating member 100 and a second operating member 200. The first operating member 100 and the second operating member 200 are detachably assembled on the main body 800.

[0099] Figure 2 , Figure 3 The schematic diagram and the stereoscopic diagram of different matching states of the main body 800 and the first operating member 100 and the second operating member 200 in the unlocked position: at least a part of the guide column 820 of the main body 800 can be accommodated in the first operating member 100 and the second operating member 200. The first operating member 100 and the second operating member 200 are respectively provided with a first clamping member 300 and a second clamping member 400 in the axial direction, and the first clamping member 300 includes a first stopper 310 and a first abutment member 320; the second clamping member 400 includes a second stopper 410 and a second abutment member 420. The stopper 500 includes a clamping member 510 and a supporting member 520. The total number of the first locking members 310 and the second locking members 320 is equal to the number of the engaging members 510, each engaging member 510 is paired with the first locking member 310 or the second locking member, and each pair is complementary in shape. Correspondingly, the total number of the first abutting members 320 and the second abutting members 420 is also equal to the number of the supporting members 520, and they are arranged in pairs with complementary shapes.

[0100] See also Fig.15 It is a partial enlarged view of the first operating member 100 and the main body 800 in a locked state. The first stopper 310 and the engaging member 510 are interlocked with each other, thereby limiting the relative movement between the main body 800 and the first operating member 100, and the first abutting member 320 and the supporting member 520 are abutted against each other to further provide stability. Specifically, the first stopper 310, the engaging member 510, the first abutting member 320 and the supporting member 520 are all approximately C-shaped as a whole. When the first stopper 310 and the engaging member 510 are interlocked with each other, and when the first abutting member 320 and the supporting member 520 are abutted against each other, they can form a closed approximately circular shape.

[0101] The free ends of the first stopper 310 and the engaging member 510 include a first hook 311 and a third hook 511 at their end faces. When the book clip needs to be assembled, the guide column 820 is first aligned with the first stopper 120 and gradually inserted. Moreover, since the opening size of the first opening 121 on the side wall of the first stopper 120 along the circumferential direction is slightly larger than the size of the fixed connection between the stopper 500 and the main body 800, the deformable member 810 can gradually pass through the first stopper 120 and overlap with the first embracing member 110, and the first stopper 120 will not interfere with the axial movement of the main body 800. When the book clip is in the locked position, at least a portion of the length of the first accommodating cavity 130 along the axial direction can overlap with the stopper 500, and the opening size of the first accommodating cavity 130 can limit the rotation angle of the stopper 500. During the assembly process, under the guidance of the inclined surface of the protrusion 812 at the front end of the elastic arm 811, the deformable member 810 enters the first thin section 112. At this time, the elastic arm is in an inwardly compressed state. When the protrusion 812 completely passes through the first step 111 and enters the first thick section 113, the protrusion 812 is released in the first thick section 113, and the elastic arm 811 is no longer compressed. The first step 111 limits the protrusion 812, and the assembly of the first stopper 310 and the engaging member 510 along the axial direction is completed. At this time, the first stopper 310 and the engaging member 510 are assembled. 10 and the free end of the engaging member 510 are at a certain distance, and opposite forces are applied to the first locking member 310 and the engaging member 510, and the two rotate towards each other, and the first guide surface 3111 and the third guide surface 5111 of the first locking member 311 and the third hook 511 start to contact and slide. It can be seen from the figure that since the first guide surface 3111 and the third guide surface 5111 are symmetrical large inclined guide structures, it is convenient for users to use and it is easier to assemble the first locking member 310 and the engaging member 510. Under the action of the first guide surface 3111 and the third guide surface 5111, the first locking member 310 and the engaging member 510 swing axially away from each other. It is easy to understand that the book page clip is made of a plastic material with a certain elasticity, so that the first locking member 310 and the engaging member 510 can undergo a certain deformation and slight swing, and continue to apply opposite forces to the first locking member 310 and the engaging member 510 until the first guide surface 3111 and the third guide surface 5111 are offset from each other. At this time, due to the restoring force of the elastic material, the first locking member 310 and the engaging member 510 recover axially toward each other, so that the first locking member 310 and the engaging member 510 are engaged with each other. After the engagement, the first limiting surface 3112 and the third limiting surface 5112 of the first hook 311 and the third hook 511 overlap and resist each other, thereby achieving limitation and limiting the relative rotation between the first operating member and the main body. The first abutting member 320 and the supporting member 520 are respectively provided with a first abutting surface 321 and a third abutting surface 521 at their adjacent free ends.Optionally, the first abutment surface 321 and the third abutment surface 521 can be complementary planes perpendicular to the circumferential direction, or complementary inclined surfaces at a certain angle to the circumference. Preferably, the first abutment surface 321 and the third abutment surface 521 are complementary step surfaces to prevent the page clamp from shaking after being fastened. As matching parts of the first locking member and the locking member, the first abutment member and the support member do not need to apply additional pressure, and can achieve abutment by following the rotation of the main body 800 and the first operating member, which reduces the difficulty of user operation and can further limit the relative movement along the axial direction.

[0102] It is easy to understand that since the second operating member 200 and the first operating member 100 are axially symmetrical structures, the assembly process is opposite to that of the first operating member 100 and the process is the same, so the engagement between the second operating member and the main member is not repeated.

[0103] Specifically, in this embodiment, the specific distribution positions and quantities of the first clamping member and the second clamping member are described in detail in Figure 1 The number of the first locking member 310 and the second locking member 410 is 2 each, and the number of the engaging members 510 is 4. The number of the first abutting member 320 and the second abutting member 420 is 1 each, and the number of the supporting members 520 is 2.

[0104] It is easy to understand that when the main body 800 of the book page folder and the first operating member 100 and the second operating member 200 are buckled or separated, in order to avoid interference between the first clamping member 300, the second clamping member 400 and the stop member 500, the first operating member 100 and the second operating member 200 should be inserted into the main body 800 at a certain angle to achieve the cooperation between the operating member 200 and the main body, and due to the existence of the first opening 121 and the second opening 221, even if there is a protruding stop member 500 structure, there will be no interference between the main body 800 and the first operating member 100 and the second operating member 200, and the stop member 500 can pass through the first opening 121 smoothly. With regard to the side opening of the first limit member 120 being smaller than the side opening of the first accommodating cavity 130 along the circumferential direction, refer to Fig.10 As shown, the side opening of the first stopper is relatively small, so it can play the role of stably accommodating the guide column 820, so that the main body 800 will not be separated from the first operating member 100 in the radial direction. In addition, since the side opening of the first accommodating cavity 130 is relatively large, the angle range of relative rotation between the first operating member 100 and the main body 800 becomes larger, so that the book page folder can more flexibly accommodate more book pages.

[0105] Optionally, in addition to inserting the first operating member 100 and the second operating member 200 axially into the main member 800 at a certain angle for assembly, the first operating member 100 and the second operating member 200 can also be directly embedded by applying a certain force through the side opening of the main member 800 to achieve assembly. Since the material has a certain elasticity, the first operating member and the second operating member are pushed into the main member 800 while not being separated from the main member 800.

[0106] How book binders work

[0107] The working principle of the book page clamp is as follows: after inserting the first operating member 100 and the second operating member 200 into the main body member 800 at a certain angle or embedding them horizontally into the main body member 800, adjust the positions of the main body member 800 and the first operating member 100 and the second operating member 200 along the axis. When the first clamping member 300 and the second clamping member 400 respectively correspond to the engaging members 510 at the corresponding positions, rotate the main body member 800 and the first operating member 100 and the second operating member 200 relative to each other, so that the first clamping member 300 and the second clamping member 400 rotate towards each other until the first stopping member 310 and the second stopping member 410 correspond to each other and engage with the corresponding engaging members 510, and at the same time, the first abutting member 320, the second abutting member 420 and the supporting member 520 abut against each other, and the book page clamp can be fastened.

[0108] Industrial Applicability

[0109] The utility model provides a split book page clamp, which has a disassembly and assembly design in which two operating parts are respectively plugged into the two ends of a main body part, and the overall volume is smaller and more flexible. The structure no longer requires additional connecting parts, and the structure is simpler and easier to process. Moreover, due to the small overall volume, the book spine will not be very thick, and it is more convenient to use, thereby improving the user experience. In addition, the hook-shaped bite structure between the clamping parts is simple and reliable, and the introduction of the abutment structure, the structure in which the embracing part and the deformation part cooperate, and the structure in which the groove and the protrusion cooperate, makes the overall structure more stable and will not shake easily after being buckled. Moreover, the book page clamp made of elastic plastic has a certain elasticity as a whole, and can be installed by pinching it with a single hand with very little force, and the operation is extremely convenient. When in use, the first and second operating parts can be pinched by the left and right hands respectively to achieve simultaneous assembly. Through the cooperation of the locking part and the abutment part, the reliability of the book page clamp structure can be guaranteed, and the user only needs to apply a very small force to complete the operation, and will not cause pressure on the user's hands to cause discomfort; the overall long strip design has a limiting effect on the paper, so that the clamped paper will not bend, it will be flatter, and the clamping effect will be better.

[0110] The principle and structure of the structure are simple, the volume is small, the cost is low, the stability and reliability are strong, and the adaptability is strong, which effectively solves the problem that the current book page clip has a poor feel and a poor clamping effect.

[0111] The terms and expressions used here are for description only, and the present invention should not be limited to these terms and expressions. The use of these terms and expressions does not mean to exclude any equivalent features of the illustrations and descriptions (or parts thereof), and it should be recognized that various modifications that may exist should also be included in the scope of the claims. Other modifications, changes and substitutions may also exist. Accordingly, the claims should be deemed to cover all such equivalents.

[0112] Similarly, it should be pointed out that although the utility model has been described with reference to the current specific embodiments, ordinary technicians in this technical field should realize that the above embodiments are only used to illustrate the utility model, and various equivalent changes or substitutions can be made without departing from the spirit of the utility model. Therefore, as long as the changes and modifications to the above embodiments are within the scope of the essential spirit of the utility model, they will fall within the scope of the claims of the utility model.

Claims

1. A split book page folder for storing book pages, characterized in that: The invention comprises: a main body (800), a first operating member (100), a second operating member (200), a first clamping member (300), a second clamping member (400), and a stopper (500), wherein the first operating member (100) and the second operating member (200) are respectively detachably mounted at two ends of the main body (800), one end of the first clamping member (300) is a free end, and the other end is integrally fixed to the first operating member (100); one end of the second clamping member (400) is a free end, and the other end is integrally fixed to The second operating member (200), the stop member (500) has a free end at one end and is integrally fixed to the main member (800) at the other end. The main member (800) is an elongated structure as a whole. The first operating member (100) and the second operating member (200) can move axially or rotate around the axis relative to the main member (800). According to the relative positions between the main member (800) and the first operating member (100) and the second operating member (200), there are a locking position and an unlocking position, wherein: In the locking position: the free ends of the first clamping member (300) and the second clamping member (400) can be buckled together with the free end of the stop member (500), thereby limiting the relative movement between the main body member (800), the first operating member (100) and the second operating member (200); In the unlocked position, relative movement can occur between the main body (800) and the first operating member (100) as well as the second operating member (200).

2. The book page holder according to claim 1, characterized in that: The first operating member (100) and the second operating member (200) are axisymmetric structures.

3. The book page holder according to claim 2, characterized in that: The two ends of the main body (800) respectively include a deformable member (810), and the deformable member (810) can be deformed in the radial direction. The first operating member (100) includes a first embracing member (110), and the second operating member (200) includes a second embracing member (210). In the locking position, at least a portion of the deformable member (810) is respectively accommodated in the first embracing member (110) and the second embracing member (210), and the axial displacement of the main body (800) and the first operating member (100) and the second operating member (200) can be limited through the above-mentioned cooperation.

4. The book page holder according to claim 3, characterized in that: The deformable member (810) is a U-shaped buckle, and the embracing member (210) is a cylindrical structure.

5. The book page holder according to claim 4, characterized in that: The first operating member (100) further includes a first limiting member (120) along the axial direction, and the second operating member (200) further includes a second limiting member (220) along the axial direction. The outer wall of the first limiting member (120) includes a first opening (121) along the axial direction, and the outer wall of the second limiting member (220) includes a second opening (221) along the axial direction. When the first operating member (100) and the second operating member (200) are engaged with the main member (800), the first opening (121) and the second opening (221) allow the stop member (500) to freely pass through along the axial direction.

6. The book page holder according to claim 5, characterized in that: The cross-sections of the first limiting member (120) and the second limiting member (220) perpendicular to the axial direction are "C" shaped.

7. The book page holder according to claim 1, characterized in that: The first clamping member (300) comprises a first locking member (310) and a first abutting member (320); the second clamping member (400) comprises a second locking member (410) and a second abutting member (420); the stop member (500) comprises a snap-fit ​​member (510) and a supporting member (520); the first locking member (310), the second locking member (410), the first abutting member (320), the second abutting member (420), the snap-fit ​​member (510) and the supporting member (520) are all semi-annular structures as a whole.

8. The book page holder according to claim 7, characterized in that: The number of the engaging members (510) is the sum of the number of the first locking members (310) and the second locking members (410); the number of the supporting members (520) is the sum of the number of the first abutting members (320) and the second abutting members (420).

9. The book page holder according to claim 8, characterized in that: The free end of the first locking member (310) includes a first hook (311), the free end of the second locking member (410) includes a second hook (411), and the free end of the engaging member (510) includes a third hook (511). In the locked position, the first hook (311) and the corresponding third hook (511) are hooked together, and the second hook (411) and the corresponding third hook (511) are hooked together.

10. The book page holder according to any one of claims 1 to 9, characterized in that: The material of the book page clip is elastic plastic.

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