A kind of jumping ballpoint pen core which is good for ink discharge

Abstract

The present invention discloses a jumping ballpoint pen core that is conducive to ink discharge, including a pen tip, a small front tip, a connecting piece, a water-drawing core, a regulator and a pen tube, a first compression spring is arranged between the water-drawing core and the regulator, an outer ball and an inner ball are arranged in the pen tip, one end of the water-drawing core extends into the pen tip and abuts against the inner ball, and an inwardly protruding barrier ring is arranged in the pen tip; an ink scraping groove is arranged on the outer wall of the water-drawing core, and the water-drawing core creeps and drives the ink scraping groove to shake when writing and stopping to transport ink toward the pen tip. The present invention opens an ink scraping groove on the outer wall of the water-drawing core, and when the pen core is writing, the water-drawing core moves back and forth, and then when writing and stopping, the water-drawing core creeps back and forth and drives the ink scraping groove to move back and forth to squeeze and transport ink toward the pen tip; and the pen tube is locked on the connecting piece by a locking protrusion, thereby preventing the pen tube from falling off and leaking ink.

Description

Technical Field

[0001] The invention relates to the technical field of ballpoint pen cores, and in particular to a jumping ballpoint pen core which is conducive to ink discharge. Background Art

[0002] The ballpoint pen refill is the refill used in a ballpoint pen. It mainly uses the direct contact between the ball and the paper surface when writing to generate friction, causing the ball to roll in the pen head and bring out the ink or ink in the refill to achieve the purpose of writing.

[0003] Traditional ballpoint pens have a gap between the ball and the tip to facilitate ink flow. However, the gap in the ball of this type of pen core causes the ink to evaporate, leading to ink drying and clogging. When the gap is too large, the ink will naturally flow out, making writing inconvenient. For this reason, a jumping ballpoint pen core has been improved. The jumping ballpoint pen core adopts a double-ball structure, such as the ballpoint pen tip assembly and jumping straight liquid ballpoint pen disclosed in Chinese patent number CN216761282U. The ballpoint pen tip assembly is used for writing with a ballpoint pen; it includes a pen tip, a connector and a first water guide core. The axis of the first water guide core 3 is parallel to the axis of the pen tip. The connector 2 is provided with multiple ink guide protrusions, which are evenly installed in an annular shape on the inner wall of the connector. The liquid outlet end of the first water guide core is installed with a pen tip ball, and the rotation of the pen tip ball guides the ink to complete the writing. During implementation, an annular protrusion is provided at the end of the nib, and an inner nib ball and an outer nib ball are installed on both sides of the annular protrusion to form a double-ball structure. The ink outlet end of the first water-drawing core presses against the inner nib ball, and the inner nib ball presses against the outer nib ball, forming a seal between the inner nib ball and the nib bowl mouth, thereby increasing the lubrication level of writing.

[0004] However, in practical use, there are still problems with unstable and unsmooth ink flow due to different writing angles and the smoothness of the writing medium surface. Summary of the Invention

[0005] The purpose of the present invention is to solve the above technical problems and provide a jumping ballpoint pen core that is conducive to ink discharge.

[0006] In order to achieve the above object, the present invention adopts the following technical solutions:

[0007] The pen barrel is fixedly connected to the nib, the nib being sleeved with a connecting piece, the outer wall of the connecting piece being sleeved with a pen barrel, the pen barrel being fixedly connected to the regulating device, the regulating device being provided in the regulating device, the regulating device being provided in the regulating device, the regulating device being provided between the nib and the regulating device, the first compression spring being sleeved on the water diversion core and pushing the water diversion core toward the nib, the nib being provided with an outer ball and an inner ball, one end of the water diversion core extending into the nib and abutting against the inner ball, the nib being provided with an inwardly protruding barrier ring, the barrier ring being located between the outer ball and the inner ball, the outer ball being located on the outer side of the barrier ring and being used for writing and discharging ink; the inner ball abuts against the barrier ring in a natural state to form a sealing fit, thereby preventing the ink in the pen barrel from flowing out, and the outer ball pushing the inner ball away from the barrier ring under pressure to discharging ink and writing.

[0008] Furthermore, an ink scraping groove is provided on the outer wall of the water-guiding core. When writing and stopping, the water-guiding core moves peristaltically to drive the ink scraping groove to vibrate and transport ink toward the pen tip.

[0009] Furthermore, the ink scraping groove is arranged in a ring along the outer wall of the water guide core, the cross-section of the ink scraping groove is triangular, and the side of the ink scraping groove close to the pen tip is arranged as an inclined surface, and the side of the ink scraping groove away from the pen tip is arranged perpendicular to the axis direction of the water guide core.

[0010] Furthermore, a water diversion groove is provided on the water diversion core, and the water diversion groove axially penetrates the water diversion core along the outer wall of the water diversion core.

[0011] Furthermore, a shoulder is provided at the end of the connector, the pen tube is sleeved on the connector and the open end of the pen tube abuts against the shoulder, and the outer wall of the connector is in contact with the inner hole wall of the pen tube to form a sealed fit.

[0012] Furthermore, a mounting cavity is provided on the shaft shoulder, and a locking block is hingedly connected in the mounting cavity, and the locking block includes a central axis, a first leg, and a second leg, the first leg and the second leg are fixedly connected to the central axis, and the central axis is rotatably connected in the mounting cavity, and a locking cavity is provided at the end of the pen tube, and the side of the locking cavity close to the shaft shoulder is an open structure, and a locking groove is provided at the side of the locking cavity close to the axis direction of the pen tube; in a first state when the pen tube is not installed with the connecting piece, the first leg and the second leg extend away from the center axis to the outside of the cross-section of the shaft shoulder, and the end of the second leg close to the pen tube is fixedly connected to the side facing the axis of the pen tube with a locking protrusion; in a second state when the end of the pen tube abuts the shaft shoulder, the first leg is squeezed into the mounting cavity by the pen tube, and the second leg rotates so that the locking protrusion is engaged in the locking groove to lock the pen tube on the connecting piece.

[0013] Furthermore, a third leg is fixedly connected to one side of the central axis, a second compression spring is provided in the mounting cavity, a first end of the second compression spring is fixed to the side wall of the mounting cavity, and the other end of the second compression spring is fixedly connected to the end of the third leg as the second end, and the third leg is located on the other side of the first leg and the second leg relative to the central axis and the extension line of the third leg, and in the first state, the second end point of the second compression spring is located on one side of the line connecting the first end point of the second compression spring and the center point of the central axis, and in the second state, the second end point of the second compression spring is located on the other side of the line connecting the first end point of the second compression spring and the center point of the central axis.

[0014] Furthermore, a limit pin is fixedly connected to the side wall of the installation cavity, and the limit pin is located between the first leg and the second leg.

[0015] Furthermore, the regulator is a cylindrical structure as a whole, the water guide core passes through the regulator, and multiple annular grooves are provided on the outer wall of the regulator.

[0016] Furthermore, the two ends of the water diversion core are symmetrically arranged along the middle of the water diversion core.

[0017] Furthermore, a step surface is provided on the outer wall of the water-guiding core, the first compression spring is sleeved on the water-guiding core, and the first compression spring is located on the side of the step surface away from the pen tip, one end of the first compression spring abuts against the step surface, and the other end of the first compression spring abuts against the inner wall of the regulator.

[0018] The present invention provides a jumping ballpoint pen core that is conducive to ink discharge and has the following beneficial effects: by providing an ink scraping groove on the outer wall of the water guide core, when the pen core is writing, the outer ball is squeezed to push the inner ball inward, so that the water guide core moves away from the pen tip; when writing stops, the elastic force of the first compression spring causes the water guide core to move toward the pen tip, thereby causing the water guide core to move back and forth. Furthermore, when writing and stopping, the water guide core peristsals back and forth, driving the ink scraping groove to move back and forth, squeezing and transporting ink toward the pen tip; and the pen tube is locked to the connecting piece by the locking protrusion, thereby preventing the pen tube from falling off and leaking ink. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] The specific embodiments of the present invention are further described in detail below with reference to the accompanying drawings:

[0020] Figure 1 A schematic cross-sectional view of a ballpoint pen core that facilitates ink delivery provided by the present invention;

[0021] Figure 2 A schematic diagram of the three-dimensional structure of a ballpoint pen core that facilitates ink discharge provided by the present invention;

[0022] Figure 3 for Figure 1 Schematic diagram of the local structure of part A in the middle;

[0023] Figure 4 for Figure 1 Schematic diagram of the local structure of part B in the middle;

[0024] Figure 5 for Figure 1 Schematic diagram of the local structure of the middle C part;

[0025] Figure 6 A schematic diagram of the rotation direction of the locking block in the present invention;

[0026] Figure 7 Schematic diagram of the three-dimensional structure of the water diversion core in the present invention;

[0027] Figure 8 It is a side structural schematic diagram of the water diversion core in the present invention.

[0028] Explanation of the numbers in the figure: 1. Pen tip; 11. Outer ball; 12. Inner ball; 13. Barrier ring; 2. Small front head; 3. Connector; 31. Shoulder; 32. Mounting cavity; 33. Second compression spring; 34. Limit pin; 4. Water diversion core; 41. Ink scraping groove; 42. Water diversion groove; 43. Step surface; 5. Regulator; 51. Annular groove; 6. Pen barrel; 61. Locking cavity; 62. Locking groove; 7. First compression spring; 8. Locking block; 81. Center axis; 82. First leg; 83. Second leg; 84. Locking protrusion; 85. Third leg. Implementation Method

[0029] It should be understood that the specific embodiments described herein are only used to explain the present invention and are not intended to limit the present invention.

[0030] The following will clearly and completely describe the technical solutions in the embodiments of the present invention in conjunction with the accompanying drawings. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. All other embodiments obtained by ordinary technicians in this field based on the embodiments of the present invention without making any creative efforts shall fall within the scope of protection of the present invention.

[0031] It should be noted that all directional indications in the embodiments of the present invention (such as up, down, left, right, front, back, etc.) are only used to explain the relative position relationship and movement status of various components under a specific posture (as shown in the accompanying drawings). If the specific posture changes, the directional indication will also change accordingly. The connection can be a direct connection or an indirect connection.

[0032] Figure 1A schematic cross-sectional view of a ballpoint pen core that facilitates ink delivery provided by the present invention; Figure 2 A schematic diagram of the three-dimensional structure of a jumping ballpoint pen core that is conducive to ink discharge provided by the present invention.

[0033] Reference Figure 1 and 2 The present invention provides a jumping ballpoint pen core that is conducive to ink discharge, including a pen head 1, a small front head 2, a connecting piece 3, a water guide core 4, a regulator 5 and a pen tube 6.

[0034] The pen tip 1 is fixedly connected to the end of the small front head 2. The tail of the small front head 2 is sleeved with a connecting piece 3. The outer wall of the connecting piece 3 is sleeved with a pen tube 6.

[0035] The pen tube 6 is fixedly connected to a regulator 5, and a water guide core 4 is provided in the regulator 5. A first compression spring 7 is provided between the water guide core 4 and the regulator 5. The first compression spring 7 is sleeved on the water guide core 4 and pushes the water guide core 4 toward the pen tip 1.

[0036] See also Figure 3 , the front of the pen tip 1 ( Figure 1 A) details are shown in the enlarged view as shown in Figure 2 shown.

[0037] The pen tip 1 is provided with an outer ball 11 and an inner ball 12. One end of the water guide core 4 extends into the pen tip 1 and abuts against the inner ball 12. The pen tip 1 is a hollow structure, and an inwardly protruding barrier ring 13 is provided on the inner wall of the pen tip 1. The barrier ring 13 is located between the outer ball 11 and the inner ball 12. The outer ball 11 is located outside the barrier ring 13 and is used for writing and ink dispensing. In its natural state, the inner ball 12 abuts the barrier ring 13 to form a seal, thereby preventing the ink in the pen barrel 6 from flowing out. Under pressure, the outer ball 11 pushes the inner ball 12 away from the barrier ring 13, allowing the ink to be dispensed for writing.

[0038] See also Figure 4 , the pen tip 1 is connected and fixed to the end of the small front tip 2 ( Figure 1 As shown in Part B) local structure diagram. Figure 3 As shown, the water-guiding core 4 is wrapped inside the pen tip 1 and the small front head 2.

[0039] An ink scraping groove 41 is formed on the outer wall of the water guide core 4 adjacent to the interior of the small front head 2. The peristaltic movement of the water guide core 4 during writing and stopping causes the ink scraping groove 41 to vibrate and transport ink toward the pen head 1. The ink scraping groove 41 is arranged in a ring along the outer wall of the water guide core 4, and is arranged near the end of the water guide core 4.

[0040] The cross section of the ink scraping groove 41 is triangular, and the side of the ink scraping groove 41 close to the pen tip 1 is arranged as an inclined surface, and the side of the ink scraping groove 41 away from the pen tip 1 is arranged perpendicular to the axis direction of the water guide core 4.

[0041] By adopting the above technical solution, when the pen core is writing, the outer ball is squeezed to push the inner ball inward, so that the water guide core 4 moves away from the pen tip 1. When writing stops, the first compression spring 7 moves the water guide core 4 toward the pen tip 1 under the action of the elastic force, thereby causing the water guide core 4 to move back and forth; when the ink scraping groove 41 moves toward the pen tip 1, it pushes the ink toward the pen tip 1 and when the ink scraping groove 41 moves away from the pen tip 1, the ink slides out from the inclined surface, thereby causing the ink to move toward the pen tip 1 instead of moving away from the pen tip 1, thereby facilitating ink discharge.

[0042] See also Figure 5 The outer wall of the connecting piece 3 is provided with a pen tube 6 ( Figure 1 (Part C) Schematic diagram of the local structure.

[0043] like Figure 5 The end of the connecting member 3 is provided with a shoulder 31, and the pen tube 6 is inserted into the connecting member 3 and the open end of the pen tube 6 abuts against the shoulder 31. The outer wall of the connecting member 3 and the inner hole wall of the pen tube 6 are in contact and form a sealing fit. The shoulder 31 is used to limit its position.

[0044] In the present invention, an installation cavity 32 is opened on the shaft shoulder 31, and a locking block 8 is hingedly connected in the installation cavity 32. The locking block 8 includes a central axis 81, a first leg 82, and a second leg 83. The first leg 82 and the second leg 83 are fixedly connected to the central axis 81, and the central axis 81 is rotatably connected in the installation cavity 32.

[0045] Figure 6 Schematic diagram of the rotation direction of the locking block in the present invention.

[0046] Please also refer to Figure 5 and Figure 6 The end of the pen tube 6 defines a locking cavity 61. The end of the locking cavity 61, which is open near the shoulder 31, defines a locking groove 62 near the axis of the pen tube 6. In a first state, when the pen tube 6 is not attached to the connector 3, the ends of the first and second legs 82 and 83, which are distal to the central axis 81, extend to the outside of the cross-section of the shoulder 31.

[0047] A locking protrusion 84 is fixedly connected to the end of the second leg 83 proximal to the pen tube 6, facing the axis of the pen tube 6. In the second state, with the end of the pen tube 6 abutting the shoulder 31, the first leg 82 is squeezed into the mounting cavity 32 by the pen tube 6, and the second leg 83 rotates, causing the locking protrusion 84 to engage the locking groove 62, thereby locking the pen tube 6 to the connector 3.

[0048] When the pen tube 6 is installed on the connecting member 3 , the locking protrusion 84 is engaged with the locking groove 62 to lock the pen tube 6 , thereby maintaining a stable connection between the pen tube 6 and the connecting member 3 and preventing ink leakage due to separation.

[0049] In the present invention, a third leg 85 is fixedly connected to one side of the central axis 81, and a second compression spring 33 is provided in the mounting cavity 32. The first end of the second compression spring 33 is fixed to the side wall of the mounting cavity 32, and the other end of the second compression spring 33 is fixedly connected to the end of the third leg 85 as the second end. The third leg 85 is located on the other side of the first leg 82 and the second leg 83 relative to the central axis 81 and is an extension of the third leg 85. In a first state, which is when the pen tube 6 is not installed with the connecting member 3, the second end point of the second compression spring 33 is located on one side of the line connecting the first end point of the second compression spring 33 and the center point of the central axis 81. In a second state, which is when the pen tube 6 is installed with the connecting member 3 and the end of the pen tube 6 abuts against the shaft shoulder 31, the second end point of the second compression spring 33 is located on the other side of the line connecting the first end point of the second compression spring 33 and the center point of the central axis 81.

[0050] The elastic force of the second compression spring 33 causes the first leg 82 to rotate in the first state until the first leg 82 extends to the outside of the shaft shoulder 31, and the elastic force causes the first leg 82 to maintain a tendency to rotate toward the outside of the shaft shoulder 31, thereby preventing the first leg 82 from swinging freely and causing the second leg 83 to rotate away from the axis of the connecting member 3. As a result, when the pen tube 6 is inserted into the connecting member 3, the locking protrusion 84 on the second leg 83 is located on the side of the locking groove 62 away from the axis of the pen tube 6. When the end of the pen tube 6 approaches the shaft shoulder 31, the pen tube 6 is locked. The end of the pen tube 6 abuts against and squeezes the end of the first leg 82, so that the rotation of the central shaft 81 drives the second leg 83 to rotate, thereby causing the locking protrusion 84 to rotate toward the locking groove 62. In the second state, the end of the pen tube 6 fits against the shaft shoulder 31, and the locking protrusion 84 is clamped in the locking groove 62. At this time, the elastic force of the second compression spring 33 makes the first leg 82 maintain the tendency to rotate into the installation cavity 32, and the elastic force makes the second leg 83 remain in the locked state without loosening; automatic locking is achieved by the second compression spring 33.

[0051] In the present invention, a limit pin 34 is fixedly connected to the side wall of the mounting cavity 32 and is located between the first leg 82 and the second leg 83. The limit pin 34 is used to limit the first leg 82 in the first state, preventing the first leg 82 from rotating too much and being unable to be pressed into the mounting cavity 32 by the pen tube 6. When the pen tube 6 is installed, the first leg 82 is pressed back into the mounting cavity 32.

[0052] Figure 7 It is a schematic diagram of the three-dimensional structure of the water diversion core 4 in the present invention.

[0053] Reference Figure 1 and 7 As shown, in the present invention, the water diversion core 4 is provided with a water diversion groove 42 extending axially through the outer wall of the water diversion core 4. The regulator 5 is an overall cylindrical structure, through which the water diversion core 4 passes. The outer wall of the regulator 5 is provided with multiple annular grooves 51. These grooves 51 temporarily store ink and regulate the ink flow rate. The two ends of the water diversion core 4 are symmetrically arranged along the center of the water diversion core 4. This eliminates the need to distinguish between the two ends of the water diversion core 4, facilitating assembly.

[0054] In the present invention, a step surface 43 is provided on the outer wall of the water-guiding core 4, the first compression spring 7 is sleeved on the water-guiding core 4, and the first compression spring 7 is located on the side of the step surface 43 away from the pen tip 1, one end of the first compression spring 7 abuts against the step surface 43, and the other end of the first compression spring 7 abuts against the inner wall of the regulator 5.

[0055] The present invention provides a jumping ballpoint pen core that is conducive to ink discharge. When the pen core is in use, the outer ball is squeezed to push the inner ball inward when the pen core is writing, so that the water guide core 4 moves away from the pen tip 1. When writing stops, the first compression spring 7 causes the water guide core 4 to move toward the pen tip 1 under the elastic force, thereby causing the water guide core 4 to move back and forth. Then, when writing and stopping, the water guide core 4 peristalsis back and forth, driving the ink scraping groove 41 to move back and forth, squeezing and transporting ink toward the pen tip 1; and when the pen tube 6 is installed on the connecting member 3, the end of the pen tube 6 is squeezed against the first leg 82, The first leg 82 rotates. During the rotation of the first leg 82, the second compression spring 33 first contracts and then extends. After the second compression spring 33 rotates and contracts to the shortest critical point, the second compression spring 33 pops out, causing the second leg 83 to automatically flip into the locking cavity 61, thereby causing the locking protrusion 84 to be locked into the locking groove 62 to lock the pen tube 6. The elastic force provided by the second compression spring 33 keeps the locking protrusion 84 locked in the locking groove 62, thereby maintaining a stable connection between the pen tube 6 and the connecting member 3 to avoid detachment and ink leakage.

[0056] The parts not involved in this technical solution can be implemented using existing technologies.

[0057] The basic principles, main features, and characteristics of the present invention are shown and described above. Those skilled in the art should understand that the present invention is not limited to the above embodiments. The above embodiments and descriptions are merely illustrative of the principles of the present invention. Various changes and modifications may be made to the present invention without departing from the spirit and scope of the present invention. Such changes and modifications are intended to fall within the scope of the present invention. The scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A ballpoint pen core that is good for ink discharge, characterized in that: The invention comprises a pen tip (1), a small front tip (2), a connecting piece (3), a water guide core (4), a regulator (5) and a pen tube (6), wherein the pen tip (1) is fixedly connected to the end of the small front tip (2), the tail of the small front tip (2) is sleeved with the connecting piece (3), and the outer wall of the connecting piece (3) is sleeved with the pen tube (6); The pen tube (6) is fixedly connected with a regulator (5), a water guide core (4) is arranged in the regulator (5), a first compression spring (7) is arranged between the water guide core (4) and the regulator (5), and the first compression spring (7) is sleeved on the water guide core (4) and pushes the water guide core (4) toward the pen tip (1); The pen tip (1) is provided with an outer ball (11) and an inner ball (12); one end of the water guide core (4) extends into the pen tip (1) and abuts against the inner ball (12); an inwardly protruding barrier ring (13) is provided in the pen tip (1); the barrier ring (13) is located between the outer ball (11) and the inner ball (12); the outer ball (11) is located outside the barrier ring (13) and is used for writing ink; The inner ball (12) abuts against the barrier ring (13) in a natural state to form a sealed fit, thereby preventing the ink in the pen tube (6) from flowing out, and the outer ball (11) pushes the inner ball (12) away from the barrier ring (13) under pressure to allow the ink to flow out and write; An ink scraping groove (41) is provided on the outer wall of the water guide core (4), and when writing or stopping, the water guide core (4) moves peristaltically to drive the ink scraping groove (41) to vibrate and transport ink toward the pen tip (1); The ink scraping groove (41) is arranged in a ring shape along the outer wall of the water guide core (4), the cross section of the ink scraping groove (41) is triangular, and the side of the ink scraping groove (41) close to the pen head (1) is arranged as an inclined surface, and the side surface of the ink scraping groove (41) away from the pen head (1) is arranged perpendicular to the axial direction of the water guide core (4); The water diversion core (4) is provided with a water diversion groove (42), and the water diversion groove (42) axially penetrates the water diversion core (4) along the outer wall of the water diversion core (4); The end of the connecting piece (3) is provided with a shaft shoulder (31), the pen tube (6) is sleeved on the connecting piece (3) and the open end of the pen tube (6) abuts against the shaft shoulder (31), and the outer wall of the connecting piece (3) is in contact with the inner hole wall of the pen tube (6) to form a sealing fit.

2. A ballpoint pen core that facilitates ink discharge according to claim 1, characterized in that: The shaft shoulder (31) is provided with a mounting cavity (32), a locking block (8) is hingedly connected in the mounting cavity (32), the locking block (8) comprises a central axis (81), a first leg (82) and a second leg (83), the first leg (82) and the second leg (83) are fixedly connected to the central axis (81); The central shaft (81) is rotatably connected in the installation cavity (32); a locking cavity (61) is provided at the end of the pen tube (6); a side of the locking cavity (61) close to the shaft shoulder (31) is an open structure; a side of the locking cavity (61) close to the axis direction of the pen tube (6) is provided with a locking groove (62); In a first state when the pen tube (6) is not mounted on the connecting member (3), the first leg (82) and the second leg (83) extend away from the central axis (81) to the outside of the cross section of the shaft shoulder (31), and the second leg (83) is fixedly connected with a locking protrusion (84) at one end close to the pen tube (6) and facing the axis of the pen tube (6). In a second state when the end of the pen tube (6) is in contact with the shaft shoulder (31), the first leg (82) is squeezed into the mounting cavity (32) by the pen tube (6), and the second leg (83) rotates so that the locking protrusion (84) is stuck in the locking groove (62) to lock the pen tube (6) on the connecting member (3).

3. A jumping ballpoint pen core that is good for ink discharge according to claim 2, characterized in that: A third leg (85) is fixedly connected to one side of the central axis (81); a second compression spring (33) is arranged in the mounting cavity (32); a first end of the second compression spring (33) is fixed to a side wall of the mounting cavity (32); the other end of the second compression spring (33) is fixedly connected to the end of the third leg (85) as a second end; the third leg (85) is located on the other side of the first leg (82) and the second leg (83) relative to the central axis (81); and in a first state, the second end point of the second compression spring (33) is located on one side of a line connecting the first end point of the second compression spring (33) and the center point of the central axis (81); and in a second state, the second end point of the second compression spring (33) is located on the other side of a line connecting the first end point of the second compression spring (33) and the center point of the central axis (81).

4. A ballpoint pen core that facilitates ink discharge according to claim 3, characterized in that: A limit pin (34) is fixedly connected to the side wall of the installation cavity (32), and the limit pin (34) is located between the first leg (82) and the second leg (83).

5. The jumping ballpoint pen core that is good for ink discharge according to claim 1, characterized in that: The regulator (5) is a cylindrical structure as a whole, the water guide core (4) passes through the regulator (5), and a plurality of annular grooves (51) are provided on the outer wall of the regulator (5).

6. The jumping ballpoint pen core that is good for ink discharge according to claim 1, characterized in that: The two ends of the water diversion core (4) are symmetrically arranged along the middle of the water diversion core (4); A step surface (43) is provided on the outer wall of the water guide core (4); the first compression spring (7) is sleeved on the water guide core (4), and the first compression spring (7) is located on the side of the step surface (43) away from the pen tip (1); one end of the first compression spring (7) abuts against the step surface (43), and the other end of the first compression spring (7) abuts against the inner wall of the regulator (5).

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