CN115195323A - Buckling structure and newspaper clip - Google Patents

Abstract

The invention provides a buckling structure and a newspaper clip, wherein the buckling structure comprises a shell, a pressure lever and a movable fastener, the movable fastener is pivoted on the shell, the tail end of the pressure lever is hinged on the shell, and the head end of the pressure lever is opposite to the movable fastener; the head end of the pressure lever is provided with an upper convex block and a lower convex block which are distributed up and down, the upper convex block is used for pushing the movable fastener to rotate when the pressure lever moves downwards, the lower convex block is used for pushing the movable fastener to rotate when the pressure lever moves upwards, and the rotating directions of the movable fastener are consistent all the time; the periphery wall of the movable fastener is provided with a first abutting part and a second abutting part, and the first abutting part and the second abutting part are used for being matched with the lower boss to enable the pressing rod to be interlocked with the movable fastener. The buckling structure is simple in structure, the number of assembling parts is small, the assembly is easy, and the use is convenient.

Description

Buckling structure and newspaper clip

Technical Field

The invention relates to the technical field of cultural goods, in particular to a buckling structure and a newspaper clip.

Background

In the newspaper holder that uses at present, its lock structure all is the spring, is provided with discount and spring on the depression bar promptly, and discount and spring homoenergetic are followed same slide motion, and discount retreat can compression spring, and the spring resilience can promote discount antedisplacement, is provided with the catching groove relative with the discount on the casing, and the discount antedisplacement gets into the catching groove then realizes depression bar and casing lock locking, and the discount retreat the catching groove then depression bar and casing release the locking. When the spring is required to be pressed in advance during production and assembly, the assembly is inconvenient, and when the spring is required to be pressed in advance during buckling locking or unlocking, the operation is laborious.

Disclosure of Invention

The invention aims to solve the technical problem of providing a buckling structure which is simple in structure, small in number of assembling parts, easy to assemble and convenient to operate in use.

The technical scheme of the invention is that a buckling structure is provided, which comprises a shell, a pressure lever and a movable fastener, wherein the movable fastener is pivoted on the shell, the tail end of the pressure lever is hinged on the shell, and the head end of the pressure lever is opposite to the movable fastener; the head end of the pressure lever is provided with an upper convex block and a lower convex block which are distributed up and down, the upper convex block is used for pushing the movable fastener to rotate when the pressure lever moves downwards, the lower convex block is used for pushing the movable fastener to rotate when the pressure lever moves upwards, and the rotating directions of the movable fastener are consistent all the time; the periphery wall of the movable fastener is provided with a first abutting part and a second abutting part, and the first abutting part and the second abutting part are used for being matched with the lower boss to enable the pressing rod to be interlocked with the movable fastener.

Compared with the prior art, the buckling structure has the following advantages: in the process of pressing the pressure lever downwards, the upper convex block can push the movable fastener to rotate towards one direction all the time, in the process of lifting the pressure lever upwards, the lower convex block can push the movable fastener to rotate continuously in the same direction, the movable fastener rotates periodically and circularly to enable the lower convex block to have a chance to be matched with the first abutting part or the second abutting part to realize the interlocking of the pressure lever and the movable fastener, and the lower convex block can be separated from the movable fastener only by pressing the pressure lever downwards to realize the unlocking of the pressure lever and the movable fastener; the buckling structure has the advantages that the number of assembling parts is small, the structure is simple, the assembly is easy, the buckling and locking operation can be completed only by pressing down the pressure rod and then lifting up the pressure rod when the buckling structure is used, and the unlocking operation can be completed only by pressing down the pressure rod; if the elastic piece is arranged below the pressing rod, the pressing rod can be lifted up by the resilience of the elastic piece only by pressing and loosening the pressing rod, so that the operation of buckling and locking can be completed, and the operation is convenient.

Preferably, first butt portion includes first lug and the second lug that the interval set up, and when first butt portion and protruding piece cooperation down, protruding piece down is spacing between first lug and second lug and all contradicts with first lug and second lug. By adopting the structure, after the pressure lever is lifted up, when the lower convex block is matched with the first abutting part, the first convex block of the movable fastener can be exerted with thrust to lead the movable fastener to have a tendency of rotating, and the second convex block of the movable fastener can be exerted with resistance to prevent the movable fastener from rotating, thereby leading the pressure lever and the movable fastener to be mutually abutted to achieve the interlocking effect.

Preferably, the first abutting portion is further used for being matched with the upper convex block to enable the pressing rod to be interlocked with the movable fastener, and when the first abutting portion is matched with the upper convex block, the upper convex block is limited between the first convex block and the second convex block and is abutted against the first convex block and the second convex block. By adopting the structure, after the pressing rod is pressed downwards, the pressing rod and the movable fastener can be matched with the upper convex block through the first abutting part to realize interlocking, the degree of pressing the pressing rod is conveniently controlled, and the upper convex block can push the movable fastener to rotate, so that the lower convex block is accurately matched with the second abutting part when the pressing rod is lifted, and the interlocking of the pressing rod and the movable fastener is realized.

Preferably, the position that lies in between first lug and the second butt portion on the periphery wall of activity fastener, the position that lies in between second lug and the second butt portion all sets up to keeping away the position face, keep away the position face be the curved surface of plane or indent, go up the lug with protruding homoenergetic down keep away the position face on slide. By adopting the structure, the upper convex block and the lower convex block can smoothly push the movable fastener to rotate, and the clamping retardation of the upper convex block or the lower convex block at other parts except the first butting part and the second butting part on the peripheral wall of the movable fastener is avoided.

Preferably, when the first abutting part is matched with the upper lug, the lower lug is opposite to the second abutting part in a spaced mode; when the second abutting part is matched with the lower convex block, the upper convex block is opposite to the second convex block or the avoiding surface between the second convex block and the second abutting part in a spaced mode. By adopting the structure, after the first abutting part is matched with the upper convex block, the lower convex block is matched with the second abutting part accurately when the pressure lever is lifted, so that the interlocking of the pressure lever and the movable fastener is realized; after the lower lug is matched with the second abutting part, when the pressing rod presses down, the upper lug can push the movable fastener to rotate, and the situation that the unlocking of the pressing rod and the movable fastener is unsuccessful due to the fact that the upper lug is limited again by the first abutting part is avoided.

Preferably, the first bump and the second bump form a first limit groove on the outer peripheral wall of the movable fastener, and the first limit groove is a V-shaped groove or a concave arc groove or a U-shaped groove. By adopting the structure, the first bump and the second bump can be obtained only by processing the first limit groove on the peripheral wall of the movable fastener, the processing technology is simple, and the manufacture is convenient.

Preferably, the second butt portion includes third lug and the fourth lug that the interval set up, and when the second butt portion was cooperated with lower lug, lower lug was spacing between third lug and fourth lug and all contradicts with third lug and fourth lug. By adopting the structure, after the pressing rod is lifted, when the lower lug is matched with the second abutting part, the third lug of the movable fastener can be exerted with thrust to lead the movable fastener to generate a rotating trend, and the fourth lug of the movable fastener can be exerted with resistance to block the rotation of the movable fastener, thereby leading the pressing rod and the movable fastener to be mutually abutted to achieve the interlocking effect.

Preferably, the second abutting portion is further used for being matched with the upper convex block to enable the pressing rod to be interlocked with the movable fastener, and when the second abutting portion is matched with the upper convex block, the upper convex block is limited between the third convex block and the fourth convex block and is abutted against the third convex block and the fourth convex block. By adopting the structure, after the pressing rod is pressed downwards, the pressing rod and the movable fastener can be matched with the upper convex block through the second abutting part to realize interlocking, the degree of pressing the pressing rod is conveniently controlled, and the upper convex block can push the movable fastener to rotate, so that the lower convex block is accurately matched with the first abutting part when the pressing rod is lifted, and the interlocking of the pressing rod and the movable fastener is realized.

Preferably, the position that is located between third lug and the first butt portion, the position that is located between fourth lug and the first butt portion all sets up to keeping away the position face on the periphery wall of activity fastener, keep away the position face be the curved surface of plane or indent, go up the lug with lower lug homoenergetic keep away the position face on slide. By adopting the structure, the upper convex block and the lower convex block can smoothly push the movable fastener to rotate, and the clamping retardation of the upper convex block or the lower convex block at other parts except the first butting part and the second butting part on the peripheral wall of the movable fastener is avoided.

Preferably, when the second abutting part is matched with the upper lug, the lower lug is opposite to the first abutting part in a spaced mode; when the first abutting part is matched with the lower convex block, the upper convex block is opposite to the fourth convex block or the avoiding surface between the fourth convex block and the first abutting part in a spaced mode. By adopting the structure, after the second abutting part is matched with the upper convex block, when the press rod is lifted, the lower convex block is accurately matched with the first abutting part, and the press rod and the movable fastener are interlocked; after the lower lug is matched with the first abutting part, when the pressing rod presses down, the upper lug can push the movable fastener to rotate, and the situation that the unlocking of the pressing rod and the movable fastener is unsuccessful due to the fact that the upper lug is limited again by the second abutting part is avoided.

Preferably, the third bump and the fourth bump form a second limiting groove on the outer peripheral wall of the movable fastener, and the second limiting groove is a V-shaped groove or a concave arc groove or a U-shaped groove. By adopting the structure, the third lug and the fourth lug can be obtained only by processing the second limit groove on the peripheral wall of the movable fastener, the processing technology is simple, and the manufacture is convenient.

Another technical problem to be solved by the present invention is to provide a snap structure, which has a simple structure and a small number of assembling parts, and is easy to assemble and convenient to operate when in use.

The invention provides a newspaper clip, which comprises a clamping rod and the buckling structure, wherein the clamping rod is connected to the lower side of a pressing rod through an elastic piece, and the elastic piece is compressed between the clamping rod and the pressing rod when the pressing rod and a movable fastener are interlocked.

Compared with the prior art, the newspaper holder has the following advantages: the clamping rod is connected to the lower side of the pressing rod through the elastic piece, the pressing rod cannot rotate downwards continuously until the pressing rod is interlocked with the movable fastener through the upper convex block by pressing down the pressing rod, at the moment, the elastic piece is compressed between the clamping rod and the pressing rod, the pressing rod can be lifted up by rebounding of the elastic piece only by loosening the pressing rod until the pressing rod is interlocked with the movable fastener through the lower convex block, the lower convex block can be separated from the movable fastener by pressing the pressing rod again, namely, the pressing rod is unlocked from the movable fastener, so that the fastening locking and unlocking actions of the newspaper clip can be completed by only pressing the pressing rod, and the operation is simple and convenient; when the press rod is interlocked with the movable fastener through the lower convex block, the press rod can not continue to rotate upwards, the elastic piece is compressed between the clamping rod and the press rod at the moment, and the clamping rod and the press rod are both pressed by the elastic piece, so that the clamping rod can reliably clamp the newspapers and periodicals; the buckling structure is simple in structure, the number of assembling parts is small, and the assembling is easy.

Preferably, a torsion spring is arranged between the pressure lever and the shell. By adopting the structure, when the pressure lever is buckled and locked, the elasticity of the torsional spring can lead the pressure lever and the movable fastener to be compressed, thus improving the locking reliability.

Preferably, the clamping rod is arranged in a bending mode, and one end of the clamping rod is hinged to the pressing rod. By adopting the structure, the movable range of the clamping rod is limited, and the elastic piece is prevented from being bent or shifted due to the left and right displacement of the clamping rod.

Drawings

FIG. 1 is a schematic structural diagram of a newspaper holder of the present invention.

Fig. 2 is a cross-sectional view of fig. 1.

FIG. 3 is a schematic view of the fastening structure of the present invention in a first state during the fastening process.

FIG. 4 is a schematic view of the fastening structure of the present invention in a second state during the fastening process.

Fig. 5 is a schematic view of the fastening structure of the present invention in a third state during the fastening process.

Fig. 6 is a schematic view of the fastening structure of the present invention in a fastening state.

Fig. 7 is a schematic view of the buckling structure of the present invention in a fifth state during the opening process.

Fig. 8 is a schematic view of the fastening structure of the present invention in a sixth state during the opening process.

Fig. 9 is a seventh schematic view of the buckling structure of the present invention in an open state.

FIG. 10 is a schematic view of the fastening structure of the present invention in an open state.

As shown in the figure: 1. the clamping device comprises a shell, 2, a movable fastener, 2-1, a first limiting groove, 2-11, a first convex block, 2-12, a second convex block, 2-13, a first avoiding surface, 2-2, a second limiting groove, 2-21, a third convex block, 2-22, a fourth convex block, 2-23, a second avoiding surface, 2-3, a buckling rotating shaft, 3, a pressing rod, 3-1, a fixing shaft, 3-2, an upper convex block, 3-21, a first thrust surface, 3-22, a first contact surface, 3-3, a lower convex block, 3-31, a second thrust surface, 3-32, a second contact surface, 4, a clamping rod, 4-1, a clamping rod convex strip, 5, a clamping rod spring, 6 and a torsion spring.

Detailed Description

In order that the present application may be better understood, various aspects of the present application will be described in greater detail with reference to the accompanying drawings. It should be understood that the detailed description is merely illustrative of exemplary embodiments of the present application and does not limit the scope of the present application in any way. Like reference numerals refer to like elements throughout the specification.

In the drawings, the thickness, size, and shape of an object have been slightly exaggerated for convenience of explanation. The figures are purely diagrammatic and not drawn to scale.

It will be further understood that the terms "comprises," "comprising," "includes," "including," and/or "including," when used in this specification, specify the presence of stated features, integers, steps, operations, elements, and/or components, but do not preclude the presence or addition of one or more other features, integers, steps, operations, elements, components, and/or groups thereof. Further, when a statement such as "… at least one" appears after the list of listed features, the entire listed feature is modified rather than modifying individual elements in the list.

Example 1:

as shown in fig. 1 and fig. 2, the newspaper holder of the present invention includes a housing 1, a movable fastener 2, a pressing rod 3, a clamping rod 4, a clamping rod spring 5 and a torsion spring 6, wherein the housing 1, the movable fastener 2, the pressing rod 3 and the torsion spring 6 form a fastening structure of the present invention. Specifically, the tail end of a compression bar 3 is hinged to a shell 1 through a fixing shaft 3-1, a torsion spring 6 is installed on the fixing shaft 3-1 and located between the compression bar 3 and the shell 1, a clamping bar 4 is located on the lower side of the compression bar 3, the clamping bar 4 is arranged in a bent mode, one end of the clamping bar 4 is connected to the fixing shaft 3-1 and hinged to the compression bar 3 through the fixing shaft 3-1, a clamping bar spring 5 serving as an elastic piece is arranged between the clamping bar 4 and the compression bar 3, two ends of the clamping bar spring 5 are respectively connected with the clamping bar 4 and the compression bar 3, and a clamping bar protruding strip 4-1 is further arranged at the bottom of the clamping bar 5.

The buckling structure of the invention has simple structure, less quantity of assembly parts and easy assembly, wherein, the center of the movable buckle 2 is provided with a buckling position rotating shaft 2-3, the movable buckle 2 and the buckling position rotating shaft 2-3 are an integral structure, and the movable buckle 2 is pivoted on the shell 1 through the buckling position rotating shaft 2-3. The outer peripheral wall of the movable fastener 2 is provided with a first abutting part and a second abutting part, the first abutting part is composed of a first convex block 2-11 and a second convex block 2-12 which are adjacently arranged, the first convex block 2-11 and the second convex block 2-12 form a V-shaped first limiting groove 2-1, the second abutting part is composed of a third convex block 2-21 and a fourth convex block 2-22 which are adjacently arranged, and the third convex block 2-21 and the fourth convex block 2-22 form a V-shaped second limiting groove 2-2. On the peripheral wall of the movable fastener 2, a first avoiding surface 2-13 is arranged at a position between the first convex block 2-11 and the fourth convex block 2-22, a second avoiding surface 2-23 is arranged at a position between the second convex block 2-11 and the third convex block 2-22 and is used as a avoiding surface, and the first avoiding surface 2-13 and the second avoiding surface 2-23 avoid the upper convex block 3-2 and the lower convex block 3-3, and can be a plane or an inwards concave curved surface. The first limiting groove 2-1 and the second limiting groove 2-2 can also be concave arc grooves or U-shaped grooves.

The head end of the pressure lever 3 is opposite to the movable fastener 2 and is provided with an upper lug 3-2 and a lower lug 3-3, and the movable fastener 2 can rotate in the space between the upper lug 3-2 and the lower lug 3-3. The left side and the right side of the upper lug 3-2 are respectively provided with a first thrust surface 3-21 and a first interference surface 3-22, and the first thrust surface 3-21 and the first interference surface 3-22 are both planes and intersect at the bottom of the upper lug 3-2. The right side and the left side of the lower convex block 3-3 are respectively provided with a second thrust surface 3-31 and a second interference surface 3-32, in the embodiment, the second thrust surface 3-31 and the second interference surface 3-32 are both planes, the processing is convenient, the top of the lower convex block 3-3 is also a plane, and the second thrust surface 3-31 and the second interference surface 3-32 are both intersected with the plane of the top of the lower convex block 3-3.

When the newspaper holder is used, the buckling structure in the initial state is shown in fig. 2; at this time, the pressing rod 3 is pressed down, the clamping rod spring 5 and the torsion spring 6 are compressed, and the upper convex block 3-2 is firstly contacted with the outer end of the first convex block 2-11, as shown in fig. 3; then, the upper convex block 3-2 pushes the movable fastener 2 to rotate counterclockwise and gradually slide along the inner side of the first convex block 2-11 until the upper convex block 3-2 enters the first limiting groove 2-1, as shown in fig. 4, at this time, the first thrust surface 3-21 contacts with the first convex block 2-11, the first interference surface 3-22 contacts with the second convex block 2-12, because the pressure rod 3 is pressed to have a tendency of continuing to move downward, the first thrust surface 3-21 interferes with the first convex block 2-11 to cause the movable fastener 2 to generate a tendency of counterclockwise rotation, at the same time, because the movement track of the upper convex block 3-2 is a sector arc moving around the fixed shaft 3-1, the pressure rod 3 rotates downward to cause the upper convex block 3-2 to generate a tendency of inward movement, so that the first interference surface 3-22 interferes with the second convex block 2-12 to prevent the movable fastener 2 from rotating counterclockwise, at this time, the upper convex block 3-2 cooperates with the first convex block 2-11 and the second convex block 2-12, so that the upper convex block 3 and the movable fastener 2 interlock through the pressure rod 3-2.

When the pressure lever 3 is interlocked with the movable fastener 2 through the upper lug 3-2, the lower lug 3-3 is opposite to the third lug 2-21 in a spaced manner, the pressure lever 3 is loosened, the clamping lever spring 5 and the torsion spring 6 rebound, the pressure lever 3 is pushed to rotate upwards, as shown in fig. 5, the upper lug 3-2 is lifted upwards and retreats from the first limit groove 2-1, and the lower lug 3-3 is firstly contacted with the outer end of the third lug 2-21; then, the lower protruding block 3-3 pushes the movable fastener 2 to rotate counterclockwise continuously and slide along the inner side of the third protruding block 2-21 gradually until the lower protruding block 3-3 enters the second limiting groove 2-2, as shown in fig. 6, at this time, the second thrust surface 3-31 contacts the third protruding block 2-21, the second interference surface 3-32 contacts the fourth protruding block 2-22, because the pressure lever 3 has a tendency of moving upward continuously under the action of the clamping lever spring 5 and the torsion spring 6, the second thrust surface 3-31 interferes with the third protruding block 2-21 to cause the movable fastener 2 to rotate counterclockwise, and at the same time, because the movement track of the lower protruding block 3-3 is also a sector arc moving around the fixed shaft 3-1, the pressure lever 3 rotates upward to cause the lower protruding block 3-3 to generate a tendency of moving outward, so that the second surface 3-32 interferes with the fourth protruding block 2-22 to hinder the movable fastener 2 to rotate counterclockwise, at this time, the lower protruding block 3-3 cooperates with the third protruding block 2-21 and the fourth protruding block 2-22 to interlock with the movable fastener through the pressure lever 3-3. At the moment, the clamping rod spring 5 and the torsion spring 6 are still in a compressed state, so that the pressing rod 3 and the movable fastener 2 are tightly pressed, and the buckling and locking are reliable; the compression bar 3 and the clamping bar 4 are also compressed, the front end of the clamping bar 5 and the convex strip 5-1 compress clamping objects such as newspapers and periodicals together, and the clamping is reliable.

When the press rod 3 is interlocked with the movable fastener 2 through the lower lug 3-3, the upper lug 3-2 is opposite to the second lug 2-12 in a spaced mode. To unlock the press rod 3 and the movable fastener 2, the press rod 3 is pressed down again, and the upper convex block 3-2 is firstly contacted with the outer end of the second convex block 2-12, as shown in fig. 7; then, the upper convex block 3-2 pushes the movable fastener 2 to rotate anticlockwise and gradually slides to the second dislocation surface 2-23 along the outer side of the first convex block 2-11, and the lower convex block 3-3 is opposite to the fourth convex block 2-22 in a spaced manner, as shown in fig. 8; at this time, the compression bar 3 is loosened, the clamping bar spring 5 and the torsion spring 6 rebound again, the compression bar 3 is pushed to rotate upwards, and as shown in fig. 9, the lower bump 3-3 is firstly contacted with the outer end of the third bump 2-21; then, the lower cam 3-3 pushes the movable buckle 2 to continue to rotate counterclockwise and gradually slide along the outer side of the third cam 2-21 onto the first position-avoiding surface 2-13, as shown in fig. 10, until the rebound of the clamping bar spring 5 and the torsion spring 6 is finished. At this time, the upper bump 3-2 is opposed to the third bump 2-21 with a space therebetween.

When the buckling and locking operation is operated again, the pressure rod 3 is pressed down until the upper lug 3-2 is matched with the third lug 2-21 and the fourth lug 2-22, so that the pressure rod 3 is interlocked with the movable fastener 2 through the upper lug 3-2; then the compression bar 3 is loosened to make the lower lug 3-3 match with the first lug 2-11 and the second lug 2-12, so that the compression bar 3 is interlocked with the movable fastener 2 through the lower lug 3-3. The unlocking operation is realized by only pressing down the press rod 3 once, and after the unlocking is finished, the upper convex block 3-2 is opposite to the first convex block 2-11 in a spaced mode. The above two operations of locking and unlocking, the movable fastener 2 has rotated 360 degrees, and the subsequent operations follow the above process.

In the engaging structure of the present embodiment, the torsion spring 6 may not be provided, and the pressing rod 3 can be lifted only by the rebound of the clamping rod spring 5.

The above are only specific embodiments of the present invention, and are not intended to limit the scope of the present invention; it is intended that the following claims be interpreted as including all such alterations, modifications, and equivalents as fall within the true spirit and scope of the invention.

Claims (14)

1. A buckling structure is characterized by comprising a shell (1), a pressure lever (3) and a movable fastener (2), wherein the movable fastener (2) is pivoted on the shell (1), the tail end of the pressure lever (3) is hinged on the shell (1), and the head end of the pressure lever (3) is opposite to the movable fastener (2); the head end of the pressure lever (3) is provided with an upper convex block (3-2) and a lower convex block (3-3) which are distributed up and down, the upper convex block (3-2) is used for pushing the movable fastener (2) to rotate when the pressure lever (3) moves downwards, the lower convex block (3-3) is used for pushing the movable fastener (2) to rotate when the pressure lever (3) moves upwards, and the rotating directions of the movable fastener (2) are consistent all the time; the outer peripheral wall of the movable fastener (2) is provided with a first abutting part and a second abutting part, and the first abutting part and the second abutting part are both used for being matched with the lower convex block (3-3) to enable the pressure rod (3) and the movable fastener (2) to be interlocked.

2. The buckling structure according to claim 1, wherein the first abutting portion comprises a first protruding block (2-11) and a second protruding block (2-12) which are arranged at intervals, and when the first abutting portion is matched with the lower protruding block (3-3), the lower protruding block (3-3) is limited between the first protruding block (2-11) and the second protruding block (2-12) and is abutted against the first protruding block (2-11) and the second protruding block (2-12).

3. The buckling structure according to claim 2, wherein the first abutting portion is further configured to cooperate with the upper protrusion (3-2) to interlock the pressing rod (3) with the movable buckle (2), and when the first abutting portion cooperates with the upper protrusion (3-2), the upper protrusion (3-2) is limited between the first protrusion (2-11) and the second protrusion (2-12) and abuts against both the first protrusion (2-11) and the second protrusion (2-12).

4. The buckling structure according to claim 3, wherein the peripheral wall of the movable buckle (2) is provided with a position between the first projection (2-11) and the second abutting portion and a position between the second projection (2-12) and the second abutting portion, which are both provided with a position avoiding surface, the position avoiding surface is a plane or a concave curved surface, and the upper projection (3-2) and the lower projection (3-3) can slide on the position avoiding surface.

5. The snap structure according to claim 4, wherein when the first abutting portion is engaged with the upper protruding piece (3-2), the lower protruding piece (3-3) is spaced and opposite to the second abutting portion; when the second abutting part is matched with the lower convex block (3-3), the upper convex block (3-2) is opposite to the second convex block (2-12) or the avoiding surface between the second convex block (2-12) and the second abutting part is spaced.

6. The fastening structure according to claim 2, wherein the first protrusion (2-11) and the second protrusion (2-12) form a first limiting groove (2-1) on the outer peripheral wall of the movable fastening member (2), and the first limiting groove (2-1) is a V-shaped groove or a concave arc groove or a U-shaped groove.

7. The buckling structure according to claim 1, wherein the second abutting portion comprises a third bump (2-21) and a fourth bump (2-22) which are arranged at intervals, and when the second abutting portion is matched with the lower bump (3-3), the lower bump (3-3) is limited between the third bump (2-21) and the fourth bump (2-22) and is abutted against the third bump (2-21) and the fourth bump (2-22).

8. The buckling structure of claim 7, wherein the second abutting portion is further configured to cooperate with the upper protrusion (3-2) to interlock the pressing rod (3) with the movable buckle (2), and when the second abutting portion is engaged with the upper protrusion (3-2), the upper protrusion (3-2) is limited between the third protrusion (2-21) and the fourth protrusion (2-22) and abuts against both the third protrusion (2-21) and the fourth protrusion (2-22).

9. The buckling structure according to claim 8, wherein the peripheral wall of the movable buckle (2) is provided with a position between the third protrusion (2-21) and the first abutting portion and a position between the fourth protrusion (2-22) and the first abutting portion, which are both provided with a position avoiding surface, the position avoiding surface is a plane or a concave curved surface, and the upper protrusion (3-2) and the lower protrusion (3-3) can slide on the position avoiding surface.

10. The snap structure according to claim 9, wherein when the second abutting portion is engaged with the upper projection (3-2), the lower projection (3-3) is spaced apart from and opposite to the first abutting portion; when the first abutting part is matched with the lower convex block (3-3), the upper convex block (3-2) is opposite to the fourth convex block (2-22) or the avoiding surface between the fourth convex block (2-22) and the first abutting part in a spaced mode.

11. The fastening structure according to claim 7, wherein the third protrusions (2-21) and the fourth protrusions (2-22) form a second limiting groove (2-2) on the outer peripheral wall of the movable fastening member (2), and the second limiting groove (2-2) is a V-shaped groove or a concave arc groove or a U-shaped groove.

12. Newspaper holder, comprising a clamping bar (4) and a snap-fit construction according to any of claims 1 to 11, wherein the clamping bar (4) is connected to the underside of the pressure bar (3) by means of an elastic element, said elastic element being compressed between the clamping bar (4) and the pressure bar (3) when the pressure bar (3) is interlocked with the movable catch (2).

13. Newspaper holder as claimed in claim 12, characterized in that a torsion spring (6) is arranged between the press rod (3) and the casing (1).

14. Newspaper holder as claimed in claim 12, characterized in that the clamping bar (4) is arranged in a bent manner, one end of the clamping bar (4) being hinged to the pressure bar (3).

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