Paper clip

Abstract

A paper clip comprises a base part and a paper clamping part connected to the base part, and the base part is provided with an installation assembly. The paper clamping part comprises a fixed arm and a rotating arm, one end of the rotating arm is rotationally connected to one end of the fixed arm, the other end of the fixed arm is connected with the base part, and the other end of the rotating arm extends towards the base part through bending; and a rotation limiting mechanism is arranged between the rotating arm and the fixed arm. The paper clamping part of the paper clip is composed of the fixed arm connected to the base part and the rotating arm rotationally connected to the fixed arm, after the installation assembly and the base plate are fixed, the end, extending towards the base part, of the rotating arm and the base plate clamp paper, and the clamping and opening state between the rotating arm and the base plate is adjusted by rotating the rotating arm. After the structure is adopted, compared with the prior art, the paper clip has the beneficial effects that the operation of opening the paper clip is more convenient, the loss of materials can be effectively reduced, and the service life is longer.

Description

Technical Field

[0001] The utility model relates to the technical field of stationery products, in particular to a paper clip. Background Art

[0002] Paper clips are used to fix paper on a writing board or drawing board. The use status of paper clips in the prior art, such as the Chinese design patent CN306298106S, is referenced Figure 2 The disclosed clamper can clamp paper between the arc-shaped clamp and the pad after being fixed to the pad. When taking or placing paper, the elasticity of the material of the arc-shaped clamp is used to pry it apart. However, after a long period of use, the material fatigues under the action of cyclic stress and causes fracture, which affects the service life. Therefore, it is necessary to improve this. Utility Model Content

[0003] The utility model provides a paper clip with a more reasonable structure in view of the above problems.

[0004] The technical solution used by the utility model to solve the above problems is: a paper clip, comprising a base and a paper clamping part connected to the base, the base is provided with a mounting assembly; the paper clamping part comprises a fixed arm and a rotating arm, one end of the rotating arm is rotatably connected to one end of the fixed arm, the other end of the fixed arm is connected to the base, and the other end of the rotating arm extends toward the base by bending; a rotation limiting mechanism is provided between the rotating arm and the fixed arm.

[0005] The paper clamping part of the paper clip of the utility model is composed of a fixed arm connected to the base and a rotating arm rotatably connected to the fixed arm. After the mounting assembly is fixed to the pad, the end of the rotating arm extending to the base clamps the paper with the pad, and the clamping and opening states between the rotating arm and the pad are adjusted by rotating the rotating arm. Compared with the prior art, the above structure is more convenient to open the paper clip, which can effectively reduce the loss of materials and prolong the service life.

[0006] Preferably, the mounting assembly includes a base plate and an abutment plate, the abutment plate and the base plate are arranged parallel to each other with a distance therebetween, the rotation axis of the rotating arm is perpendicular to the abutment plate; one end of the abutment plate is connected to the base plate via a first connecting plate, and the base plate is provided with an abutment member that moves in a direction approaching or away from the abutment plate. After such arrangement, the pad is clamped between the abutment plate and the abutment member, and the abutment member clamps the pad after approaching the abutment plate, and the rotating arm rotates in a direction parallel to the pad, which is easy to operate.

[0007] Preferably, the base plate is provided with a screw hole, the axis of the screw hole is perpendicular to the base plate, the abutment is a bolt screwed into the screw hole, one end of the bolt is provided with a knob, the bolt is controlled to slide by turning the knob, and the other end of the bolt and the abutment plate clamp the pad.

[0008] Preferably, the other end of the abutment plate is provided with an abutment block on a side close to the base plate, and is provided with a hook on a side close to the fixed arm.

[0009] Preferably, the fixed arm includes a first arm body and a second connecting plate, the first arm body is arranged in parallel with the base plate, the abutment plate is located between the first arm body and the base plate, the rotating arm includes a second arm body and a clamping arm, the second arm body is parallel to the first arm body; one end of the second arm body is rotatably connected to one end of the first arm body, the other end of the first arm body is connected to the base plate through the second connecting plate, and the clamping arm is connected to the other end of the second arm body; the first connecting plate and the second connecting plate are both perpendicular to the base plate, and the clamping arm is arranged in parallel with the second connecting plate; the vertical distance between the clamping arm and the rotating axis of the rotating arm is greater than the vertical distance between the second connecting plate and the rotating axis of the rotating arm, and the horizontal distance between the second connecting plate and the rotating axis of the rotating arm is greater than the vertical distance between the first connecting plate and the rotating axis of the rotating arm. After such arrangement, the rotating arm can be rotated to the periphery of the fixed arm to reduce storage and packaging space.

[0010] Preferably, a groove is provided on one side of one end of the fixed arm, and an annular protrusion is provided on one side of one end of the rotating arm, and the annular protrusion is rotatably connected in the groove; the rotation limiting mechanism includes an inner recess and a convex column, and the inner recess has at least two and is evenly distributed on the end surface of the annular protrusion along the circumference, and the convex column is arranged at the bottom of the groove and engages with the inner recess. When the inner recess and the convex column engage, the rotation of the rotating arm and the fixed arm is limited, and the arrangement of the two inner recesses enables the rotating arm to be in two fixed states.

[0011] Preferably, the bottom of the groove is provided with a through groove, the through groove is provided with a spring sheet, and the protrusion is arranged on the spring sheet. After such arrangement, the resistance of the limiting mechanism during disengagement is reduced, and damage caused by forced disengagement is avoided.

[0012] Preferably, a connecting column is provided at the center of the annular protrusion, a connecting hole is provided at the center of the connecting column and the center of the groove, a pin is provided in the connecting hole, and a avoidance hole is provided on the abutment plate coaxially with the connecting hole. The setting of the avoidance hole is conducive to the disassembly and assembly of the pin. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] Figure 1 It is a structural schematic diagram of the paper clip of the utility model.

[0014] Figure 2 The figure is an exploded view of the paper clip of the utility model.

[0015] Figure 3 for Figure 2 Schematic diagram of the structure of the middle rotating arm.

[0016] Figure 4 It is a cross-sectional view of the paper clip of the present utility model.

[0017] Figure 5 for Figure 4 Enlarged view of part A in the middle.

[0018] Figure 6 It is a schematic diagram of the structure of the rotating arm of the paper clip of the utility model after rotation.

[0019] As shown in the figure:

[0020] 1. Base plate, 10. Screw hole, 11. First connecting plate, 2. Abutment plate, 20. Avoidance hole, 21. Abutment block, 22. Hook, 3. Abutment member, 31. Knob, 4. Fixed arm, 40. Groove, 401. Through groove, 402. Spring sheet, 403. Boss, 41. First arm body, 42. Second connecting plate, 5. Rotating arm, 50. Annular protrusion, 501. Connecting column, 502. Indentation, 51. Second arm body, 52. Clamp arm, 6. Pin shaft, a. Pad. DETAILED DESCRIPTION

[0021] The present invention is further described below in conjunction with the accompanying drawings and specific implementation methods.

[0022] like Figures 1 to 6 As shown, a paper clip includes a base and a paper clamping part connected to the base, and the base is provided with a mounting assembly. The paper clamping part includes a fixed arm 4 and a rotating arm 5, one end of the rotating arm 5 is rotatably connected to one end of the fixed arm 4, the other end of the fixed arm 4 is connected to the base, and the other end of the rotating arm 5 extends toward the base by bending; a rotation limiting mechanism is provided between the rotating arm 5 and the fixed arm 4.

[0023] The mounting assembly includes a base plate 1 and an abutment plate 2, the abutment plate 2 is arranged parallel to the base plate 1 with a distance therebetween, and the rotation axis of the rotating arm 5 is perpendicular to the abutment plate 2. One end of the abutment plate 2 is connected to the base plate 1 through a first connecting plate 11, and an abutment member 3 is provided on the base plate 1 to move in a direction close to or away from the abutment plate 2. The pad a is clamped between the abutment plate 2 and the abutment member 3, and the abutment member 3 clamps the pad a after approaching the abutment plate 2, and the rotating arm 5 rotates in a direction parallel to the pad a, which is easy to operate.

[0024] The base plate 1 is provided with a screw hole 10, the axis of the screw hole 10 is perpendicular to the base plate 1, and the abutment member 3 is a bolt screwed into the screw hole 10, and one end of the bolt is provided with a knob 31. The knob 31 is turned to control the bolt to slide, and the other end of the bolt and the abutment plate 2 clamp the pad a.

[0025] The other end of the abutting plate 2 is provided with an abutting block 21 on a side close to the base plate 1 , and is provided with a hook 22 on a side close to the fixed arm 4 .

[0026] The fixed arm 4 includes a first arm body 41 and a second connecting plate 42, the first arm body 41 is arranged parallel to the substrate 1, the abutment plate 2 is located between the first arm body 41 and the substrate 1, and the rotating arm 5 includes a second arm body 51 and a clamping arm 52, the second arm body 51 is parallel to the first arm body 41. One end of the second arm body 51 is rotatably connected to one end of the first arm body 41, the other end of the first arm body 41 is connected to the substrate 1 through the second connecting plate 42, and the clamping arm 52 is connected to the other end of the second arm body 51. The first connecting plate 11 and the second connecting plate 42 are both perpendicular to the substrate 1, and the clamping arm 52 is arranged parallel to the second connecting plate 42. The vertical distance between the clamping arm 52 and the rotating axis of the rotating arm 5 is greater than the vertical distance between the second connecting plate 42 and the rotating axis of the rotating arm 5, and the horizontal distance between the second connecting plate 42 and the rotating axis of the rotating arm 5 is greater than the vertical distance between the first connecting plate 11 and the rotating axis of the rotating arm 5. After such arrangement, the rotating arm can be rotated to the periphery of the fixed arm to reduce the storage and packaging space.

[0027] A groove 40 is provided on one side of one end of the fixed arm 4, and an annular protrusion 50 is provided on one side of one end of the rotating arm 5. The annular protrusion 50 is rotatably connected in the groove 40. The rotation limiting mechanism includes an inner recess 502 and a convex column 403. There are at least two inner recesses 502 and they are evenly distributed on the end surface of the annular protrusion 50 along the circumference. The convex column 403 is arranged at the bottom of the groove 40 and is engaged with the inner recess 502. When the inner recess 502 is engaged with the convex column 403, the rotation of the rotating arm 5 and the fixed arm 4 is limited. The arrangement of the two inner recesses 502 allows the rotating arm 5 to be in two fixed states.

[0028] The bottom of the groove 40 is provided with a through groove 401, the through groove 401 is provided with a spring sheet 402, and the boss 403 is arranged on the spring sheet 402. After such arrangement, the resistance of the limiting mechanism when disengaging is reduced, and damage caused by forced disengagement is avoided.

[0029] A connecting column 501 is provided at the center of the annular protrusion 50. A connecting hole is provided at the center of the connecting column 501 and the center of the groove 40. A pin shaft 6 is provided in the connecting hole. An avoidance hole 20 coaxially arranged with the connecting hole is provided on the abutment plate 2. The setting of the avoidance hole 20 is conducive to the disassembly and assembly of the pin shaft 6.

[0030] The paper clamping part of the paper clip of the utility model is composed of a fixed arm 4 connected to the base and a rotating arm 5 rotatably connected to the fixed arm 4. The mounting assembly is fixed to the pad a. Pad a is placed between the abutment 3 and the abutment plate 2 on the base plate 1, and the knob 31 is turned. After the bolts of the abutment 3 approach the abutment plate 2, the bolts and the abutment plate 2 clamp the pad a, and the paper clip is installed on the pad a. Figure 6As shown, the bolt and the abutment plate 2 clamp the pad a, and the rotating arm 5 is rotated to place the clamping arm 52 of the rotating arm 5 on the pad a to clamp the paper with the pad a. When taking or placing the paper, the clamping arm 52 is located at the periphery of the second connecting plate 42 by rotating the rotating arm 5, and the second arm body 51 is located at the periphery of the first arm body 41. The paper clip of the utility model adjusts the clamping or opening state between the rotating arm 5 and the pad a by rotating the rotating arm 5, which is easy to operate, can effectively reduce the loss of materials, and has a longer product life.

Claims

1. A paper clip, comprising a base and a paper clamping portion connected to the base, wherein the base is provided with a mounting assembly; characterized in that: The paper clamping part comprises a fixed arm (4) and a rotating arm (5); one end of the rotating arm (5) is rotatably connected to one end of the fixed arm (4); the other end of the fixed arm (4) is connected to the base; the other end of the rotating arm (5) extends toward the base by bending; and a rotation limiting mechanism is provided between the rotating arm (5) and the fixed arm (4).

2. The paper clip according to claim 1, characterized in that: The mounting assembly comprises a base plate (1) and an abutment plate (2); the abutment plate (2) and the base plate (1) are arranged in parallel with each other and a distance is left therebetween; the rotation axis of the rotating arm (5) is perpendicular to the abutment plate (2); one end of the abutment plate (2) is connected to the base plate (1) via a first connecting plate (11); and an abutment member (3) is provided on the base plate (1) for moving in a direction approaching or moving away from the abutment plate (2).

3. The paper clip according to claim 2, characterized in that: The base plate (1) is provided with a screw hole (10), the axis of the screw hole (10) is perpendicular to the base plate (1), the abutment member (3) is a bolt screwed into the screw hole (10), and a knob (31) is provided at one end of the bolt.

4. The paper clip according to claim 2, characterized in that: The other end of the abutment plate (2) is provided with an abutment block (21) on a side close to the base plate (1), and a hook (22) on a side close to the fixed arm (4).

5. The paper clip according to claim 2, characterized in that: The fixed arm (4) comprises a first arm body (41) and a second connecting plate (42); the first arm body (41) is arranged parallel to the base plate (1); the abutting plate (2) is located between the first arm body (41) and the base plate (1); the rotating arm (5) comprises a second arm body (51) and a clamping arm (52); the second arm body (51) is parallel to the first arm body (41); one end of the second arm body (51) is rotatably connected to one end of the first arm body (41); the other end of the first arm body (41) is connected to the base plate (1) via the second connecting plate (42). The clamping arm (52) is connected to the other end of the second arm body (51); the first connecting plate (11) and the second connecting plate (42) are both perpendicular to the base plate (1), and the clamping arm (52) and the second connecting plate (42) are arranged in parallel; the vertical distance between the clamping arm (52) and the rotating axis of the rotating arm (5) is greater than the vertical distance between the second connecting plate (42) and the rotating axis of the rotating arm (5), and the horizontal distance between the second connecting plate (42) and the rotating axis of the rotating arm (5) is greater than the vertical distance between the first connecting plate (11) and the rotating axis of the rotating arm (5).

6. The paper clip according to claim 1, characterized in that: A groove (40) is provided on one side of one end of the fixed arm (4), and an annular protrusion (50) is provided on one side of one end of the rotating arm (5), and the annular protrusion (50) is rotatably connected in the groove (40); the rotation limiting mechanism comprises an inner recess (502) and a convex column (403), the inner recess (502) having at least two and evenly distributed on the end surface of the annular protrusion (50) along the circumference thereof, and the convex column (403) is arranged at the bottom of the groove (40) and is snap-fitted with the inner recess (502).

7. The paper clip according to claim 6, characterized in that: A through groove (401) is provided at the bottom of the groove (40), a spring sheet (402) is provided on the through groove (401), and the convex column (403) is arranged on the spring sheet (402).

8. The paper clip according to claim 6, characterized in that: A connecting column (501) is provided at the center of the annular protrusion (50), a connecting hole is provided at the center of the connecting column (501) and the center of the groove (40), a pin shaft (6) is provided in the connecting hole, and an avoidance hole (20) coaxially arranged with the connecting hole is provided on the abutment plate (2).

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