Pen holder of writing pen and writing pen

Abstract

The utility model discloses a penholder of a writing pen, which comprises an inner penholder, an outer penholder and an outer penholder, the outer penholder and the inner penholder are arranged in a split mode, the inner portion of the outer penholder is hollow, and the inner penholder is sleeved with the outer penholder; and the inner penholder and the outer penholder are assembled to form a cavity for limiting and connecting the elastic pen clip. The utility model further discloses a writing pen. The cavity is formed between the inner pen holder and the outer pen holder, more installation space is provided for the elastic pen clip, other connecting devices are not needed, and the structural design is reasonable; the size of the cavity can be changed by changing the structures of the inner penholder and the outer penholder, so that the pen holder is suitable for elastic pen clips with different sizes, and the practicability is high; the outer penholder and the inner penholder are arranged in a split mode, mold opening is convenient, and machining is simple.

Description

Technical Field

[0001] This utility model belongs to the field of writing pen technology, and in particular relates to a writing pen barrel and a writing pen. Background Technology

[0002] Currently, there is a pen clip on the market made of steel wire. Chinese patent CN219154085U discloses "A Massage-Friendly Pen Clip," which includes: a pen barrel, a pen clip base, and a pen clip. The upper end of the pen clip base is fixedly connected, and the top of the pen clip base has a connecting hole, with the top of the pen clip installed in the connecting hole. In this structure, the pen clip is directly connected to the pen barrel by bending the steel wire and inserting it into the connecting hole. The connection between the pen clip and the pen barrel is not stable, resulting in the pen clip detaching from the connecting hole. Furthermore, this type of writing pen not only requires a separately machined pen clip base but also needs to have a pre-reserved mounting position for the pen clip base on the pen barrel, resulting in a large amount of material and high processing costs. Utility Model Content

[0003] To overcome the shortcomings of the prior art, this utility model provides a pen barrel and a writing pen. The outer pen barrel and the inner pen barrel are assembled to form the installation space of the pen clip without the need for a separate adapter structure, which greatly reduces the processing cost. Moreover, the assembly method of the pen clip is simple and the connection with the pen barrel is stable.

[0004] The technical solution adopted by this utility model to solve its technical problem is: a pen barrel for a writing pen, comprising:

[0005] The inner barrel houses the pen refill assembly.

[0006] The outer pen barrel is separate from the inner pen barrel, and its interior is hollow and sleeved on the outside of the inner pen barrel;

[0007] The inner and outer pen barrels, when assembled, form a cavity for limiting the connection of the elastic pen clip.

[0008] This invention features a cavity between the inner and outer pen barrels, providing more installation space for the elastic pen clip without the need for other connecting devices, resulting in a reasonable structural design. Furthermore, the size of the cavity can be altered by changing the structure of the inner and outer pen barrels, making it suitable for elastic pen clips of different sizes and highly practical. The separate design of the outer and inner pen barrels also facilitates mold making and simplifies processing.

[0009] Furthermore, the cavity has at least a protrusion for abutting the elastic pen clip and a hanging wall for hanging the elastic pen clip. The hanging wall restricts the elastic pen clip from moving downwards, and the protrusion restricts the elastic pen clip from moving upwards, thereby achieving the installation and fixation of the elastic pen clip and preventing the elastic pen clip from moving upwards and detaching from the cavity.

[0010] Furthermore, the outer wall of the inner pen barrel has a first stepped protrusion, which forms the protrusion. The protrusion forms a 90° concave angle with the outer wall of the inner pen barrel, so that the end of the elastic pen clip simultaneously abuts against both the protrusion and the outer wall of the inner pen barrel, thereby forming a limiting fit on the elastic pen clip in both the axial and radial directions; and the protrusion is integrally set with the inner pen barrel, which facilitates processing together with the pen barrel, and the structural design is reasonable and easy to process.

[0011] Furthermore, the outer pen barrel sidewall has a hollowed-out portion, from which the first stepped protrusion extends. After the first stepped protrusion extends from the hollowed-out portion, it forms an anti-rotation fit with the hollowed-out portion to prevent the inner and outer pen barrels from rotating relative to each other.

[0012] Furthermore, the outer pen barrel sidewall arches outwards to form a transition section corresponding to the hollowed-out portion. This transition section, together with the first step protrusion and the outer wall of the inner pen barrel, forms the cavity. The side of the transition section opposite to the hollowed-out portion is the hanging wall. The transition section has a reasonable structural design. The cavity formed by the transition section, the first step protrusion, and the outer wall of the inner pen barrel provides more installation space for the elastic pen clip. Moreover, the transition section is integrally set with the outer pen barrel, which facilitates processing.

[0013] Furthermore, a limiting groove is formed on the side of the hanging wall opposite to the pen barrel for engaging the elastic pen clip. The width of the limiting groove is equal to the width of the elastic pen clip, and the elastic pen clip is engaged within the limiting groove to prevent it from slipping off the hanging wall.

[0014] Furthermore, the adapter has two opposing sidewalls, the distance between which is equal to the width of the elastic pen clip, to limit the deflection of the elastic pen clip. The two sidewalls clamp the elastic pen clip tightly within the adapter, preventing it from wobbling left and right within the adapter.

[0015] Furthermore, the hollowed-out portion extends axially along the outer pen barrel, and the outer wall of the inner pen barrel also has a second stepped protrusion, which is positioned and engaged in the hollowed-out portion. The second stepped protrusion, together with the first stepped protrusion, cooperates with the hollowed-out portion to form a limiting position between the inner and outer pen barrels. At the same time, the second stepped protrusion also serves a decorative function, increasing the aesthetic appeal of the writing pen.

[0016] This utility model also discloses a writing pen, including the aforementioned pen barrel and a flexible pen clip. The flexible pen clip includes at least one clamping section, at least one assembly section, and at least one elastic transmission section. The clamping section, assembly section, and elastic transmission section are formed by bending a single metal body, and at least a portion of the elastic transmission section and assembly section are located within a cavity. The flexible pen clip, formed by bending a single metal body, is easy to shape and convenient to process.

[0017] Furthermore, the end of the elastic transmission section abuts against the protrusion, and the assembly section is hung on the wall. The fitting structure of the elastic pen clip and pen barrel is simple, and the overall structure is stable after assembly.

[0018] The beneficial effects of this utility model are: 1) By setting a cavity between the inner and outer pen barrels, more installation space is provided for the elastic pen clip, eliminating the need for other connecting devices, resulting in a reasonable structural design; 2) The size of the cavity can be changed by altering the structure of the inner and outer pen barrels, facilitating the use of elastic pen clips of different sizes, thus enhancing its practicality; 3) The wall-mounted design restricts the downward movement of the elastic pen clip, while the protruding part restricts its upward movement, thereby achieving the installation and fixation of the elastic pen clip and preventing it from moving upward and detaching from the cavity; 4) The separate design of the outer and inner pen barrels facilitates mold opening and simplifies processing. Attached Figure Description

[0019] Figure 1 This is a schematic diagram of a partial three-dimensional structure of the writing pen in this utility model. Figure 1 At this time, the flexible pen clip was not installed.

[0020] Figure 2 This is a partial cross-section of the writing pen in this utility model. Figure 1 At this time, the flexible pen clip was not installed.

[0021] Figure 3 for Figure 2 Enlarged view of the structure at point A.

[0022] Figure 4 This is a three-dimensional structural diagram of the pen barrel of this utility model.

[0023] Figure 5 This is a partial three-dimensional structural diagram of the inner pen barrel in this utility model.

[0024] Figure 6 This is a partial side view of the inner pen barrel in this utility model.

[0025] Figure 7 This is a side view of the elastic pen clip in this utility model.

[0026] Figure 8 This is a schematic diagram of a partial three-dimensional structure of the writing pen in this utility model. Figure 2 At this point, a flexible pen clip had already been installed.

[0027] Figure 9 This is a partial cross-section of the writing pen in this utility model. Figure 2 At this point, a flexible pen clip had already been installed.

[0028] Figure 10 for Figure 9 Enlarged view of the structure at point B.

[0029] Among them, 1-inner pen barrel, 11-first step protrusion, 12-second step protrusion, 2-outer pen barrel, 21-hollowed-out part, 22-connector part, 221-side wall, 3-pen refill assembly, 4-elastic pen clip, 41-clamping section, 42-assembly section, 43-elastic transmission section, 5-cavity, 51-protrusion, 52-hanging wall, 521-limiting groove. Detailed Implementation

[0030] To enable those skilled in the art to better understand the present invention, the technical solutions of the present invention will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only a part of the embodiments of the present invention, and not all of them. All other embodiments obtained by those skilled in the art based on the embodiments of the present invention without creative effort should fall within the scope of protection of the present invention.

[0031] like Figures 1-6 As shown, a pen clip for a writing pen includes an inner pen barrel 1 and an outer pen barrel 2. The inner pen barrel 1 houses the pen refill assembly 3. The outer pen barrel 2 is separate from the inner pen barrel 1, meaning that both its upper and lower ends are open, and its interior is hollow and fitted over the outer side of the inner pen barrel 1. The inner pen barrel 1 and the outer pen barrel 2, when assembled, form a cavity 5. This cavity 5 is used to limit and connect the elastic pen clip 4; in other words, as shown... Figure 1 , Figure 3 As shown, after the inner pen barrel 1 and the outer pen barrel 2 are assembled, the side wall of the outer pen barrel 2 protrudes away from the inner pen barrel 1 and does not fit against the outer wall of the inner pen barrel 1. The space enclosed between the protruding part and the outer wall of the inner pen barrel 1 is the cavity 5. One end of the elastic pen clip 4 is stuck in the cavity 5 to realize the assembly of the elastic pen clip 4 and the pen barrel.

[0032] This utility model provides a large installation space for the elastic pen clip 4 by setting a cavity 5 between the inner pen barrel 1 and the outer pen barrel 2, without the need for other connecting devices, and the structural design is reasonable. The size of the cavity 5 can also be changed by changing the structure of the inner pen barrel 1 and the outer pen barrel 2, which is convenient for using elastic pen clips 4 of different sizes, making it highly practical. At the same time, different pen clips can be replaced, which enhances the fun. Moreover, the separate setting of the outer pen barrel 2 and the inner pen barrel 1 makes it easy to open the mold and simplify the processing.

[0033] To further facilitate the installation of the flexible pen clip 4 within the cavity 5, the cavity 5 has at least a protrusion 51 for abutting the flexible pen clip 4, and a hanging wall 52 for hanging the flexible pen clip 4. Figure 3 , Figure 10As shown, a hanging wall 52 is formed on the side of the cavity 5 directly opposite the inner pen barrel 1. The hanging wall 52 extends along the length of the pen barrel to increase the vertical space of the cavity 5, providing sufficient installation space for the flexible pen clip 4. This facilitates the accommodation of the connection between the flexible pen clip 4 and the pen barrel, preventing the connection of the flexible pen clip 4 from being exposed outside the pen barrel and affecting the aesthetics of the writing pen. Figure 6 , Figure 10 As shown, the protrusion 51 is perpendicular to the outer wall of the inner pen barrel 1 and forms a 90° concave angle with the outer wall of the inner pen barrel 1. The end of the elastic pen clip 4 abuts against both the protrusion 51 and the outer wall of the inner pen barrel 1, thereby forming a limiting fit on the elastic pen clip 4 in the axial and radial directions. Of course, in other embodiments, the protrusion 51 may form a concave angle of less than 90° with the outer wall of the inner pen barrel 1 to prevent the end of the elastic pen clip 4 from disengaging from the protrusion 51. No specific limitation is imposed.

[0034] In this utility model, the pen barrel is mainly adapted to the following elastic pen clip 4 structure, which includes at least one clamping section 41, at least one assembly section 42, and at least one elastic transmission section 43. Specifically, with Figure 7 Taking the direction shown as an example, the clamping section 41 extends vertically along the length of the pen barrel and can cooperate with the outer wall of the pen barrel to clamp objects such as books, folders, pockets, etc. The assembly section 42 has a U-shaped structure with the opening facing downwards, which can form an assembly connection with the pen barrel. Of course, in other embodiments, the assembly section 42 can be any shape, or it can be partially U-shaped, without any specific limitation. The elastic transmission section 43 has a V-shaped structure with the opening facing upwards. Of course, in other embodiments, the elastic transmission section 43 can be U-shaped, or at least partially V-shaped or U-shaped, without any specific limitation.

[0035] The clamping section 41, assembly section 42, and elastic transmission section 43 are formed by bending a single metal body, which is easy to shape and process. In this embodiment, the metal body is a steel wire; in other words, the elastic pen clip 4 is a single steel wire structure. Of course, in other embodiments, the metal body can be a steel sheet, and there is no specific limitation.

[0036] At least a portion of the elastic transmission section 43 and the assembly section 42 are located within the cavity 5, with the end of the elastic transmission section 43 abutting against the protrusion 51, and the assembly section 42 suspended on the wall 52. Figures 8-10As shown, in this embodiment, the cavity 5 is open at both ends. When installing the elastic pen clip 4, the assembly section 42 and the elastic transmission section 43 are inserted into the cavity 5 from top to bottom through the upper opening. The assembly section 42 is hung on the hanging wall 52, and the end of the elastic pen clip 4 abuts against the protrusion 51. The hanging wall 52 restricts the elastic pen clip 4 from moving downward, and the protrusion 51 restricts the elastic pen clip 4 from moving upward, thereby achieving the installation and fixation of the elastic pen clip 4 and preventing the elastic pen clip 4 from moving upward and detaching from the cavity 5. The open design of the cavity 5 provides the possibility of deformation for the outer pen barrel 2, allowing the outer pen barrel 2 to deform to a certain extent according to the thickness of the elastic pen clip 4, so as to accommodate the elastic pen clip 4. Of course, in other embodiments, the lower end of the cavity 5 can be closed, which does not affect the installation of the elastic pen clip 4, and there is no specific limitation.

[0037] like Figure 5 , Figure 6 As shown, the outer wall of the inner pen barrel 1 has a first stepped protrusion 11, which protrudes from the outer wall of the inner pen barrel 1. The lower surface of the first stepped protrusion 11 is the protrusion 51. The protrusion 51 is integrally formed with the inner pen barrel 1, which facilitates processing together with the inner pen barrel 1. The structure is reasonably designed and easy to process.

[0038] like Figure 4 As shown, a hollow portion 21 is formed on the side wall of the outer pen barrel 2, and a first step protrusion 11 extends from the hollow portion 21. The hollow portion 21 extends downward from the top of the outer pen barrel 2 along the axial direction of the outer pen barrel 2 and communicates with the cavity 5. The hollow portion 21 provides the outer pen barrel 2 with the possibility of deformation, which facilitates the outer pen barrel 2 to be fitted on the outside of the inner pen barrel 1. It can compensate for the thickness error between the outer pen barrel 2 and the inner pen barrel 1 during the processing. In this embodiment, the hollow portion 21 only extends to a part of the length of the outer pen barrel 2. In other embodiments, the hollow portion 21 can extend through the entire length of the outer pen barrel 2, and there is no specific limitation. After the first step protrusion 11 extends from the hollow portion 21, it forms an anti-rotation fit with the hollow portion 21 to prevent the inner pen barrel 1 and the outer pen barrel 2 from rotating relative to each other.

[0039] Furthermore, such as Figure 5 , Figure 6 As shown, the outer wall of the inner pen barrel 1 also has a second stepped protrusion 12, which is positioned and engaged in the hollowed-out portion 21. The second stepped protrusion 12 and the first stepped protrusion 11 are located on the same axis, and together with the first stepped protrusion 11, they cooperate with the hollowed-out portion 21 to form a limiting mechanism between the inner pen barrel 1 and the outer pen barrel 2. Simultaneously, the second stepped protrusion 12 also serves a decorative function, enhancing the aesthetics of the writing pen. Of course, in other embodiments, the inner pen barrel 1 may not have the second stepped protrusion 12, and the limiting mechanism may only be achieved through the cooperation of the first stepped protrusion 11 and the hollowed-out portion 21; no specific limitation is imposed.

[0040] like Figures 1-4As shown, the outer pen barrel 2's side wall arches outwards from the position of the hollowed-out portion 21 to form a transition portion 22. This transition portion 22, together with the first step protrusion 11 and the outer wall of the inner pen barrel 1, forms a cavity 5. The side of the transition portion 22 opposite to the hollowed-out portion 21 is the hanging wall 52. In addition, the transition portion 22 has two opposing side walls 221, which are perpendicular to the outer wall of the outer pen barrel 2. The hanging wall 52 is located between the two side walls 221 and is opposite to the first step protrusion 11. Here, the two side walls 221 are completely aligned, but the hanging wall 52 is not completely aligned with the first step protrusion 11. The two side walls 221, the hanging wall 52, the first step protrusion 11 and the outer wall of the inner pen barrel 1 together form a cavity 5 that runs vertically through the body. The distance between the two side walls 221 is equal to the width of the elastic pen clip 4, so as to limit the deflection of the elastic pen clip 4 and fix the elastic pen clip 4 tightly in the adapter to prevent the elastic pen clip 4 from swaying left and right in the adapter.

[0041] To further prevent the elastic pen clip 4 from wobbling, a limiting groove 521 is formed on the side of the hanging wall 52 opposite to the pen barrel to hold the elastic pen clip 4. The width of the limiting groove 521 is equal to the width of the elastic pen clip 4. The elastic pen clip 4 is held in the limiting groove 521 to prevent it from slipping off the hanging wall 52. In other words, the elastic pen clip 4 is restricted by the hanging wall 52 and the two side walls 221, and will not wobble from side to side or move towards the pen barrel. It can only be bent away from the pen barrel by external force.

[0042] In this embodiment, the top of the hanging wall 52 is lower than the top of the two side walls 221. When assembling the elastic pen clip 4, the two side walls 221 act as guides, allowing the elastic pen clip 4 to be inserted into the cavity 5 along the extension direction of the two side walls 211. In addition, the height difference between the two side walls 221 is greater than or equal to the diameter of the elastic pen clip 4, so the top of the elastic pen clip 4 will not be exposed, resulting in a more aesthetically pleasing overall appearance.

[0043] This utility model also discloses a writing pen, including the aforementioned pen barrel and a flexible pen clip 4. Specifically, as... Figure 10As shown, when the elastic pen clip 4 is assembled with the pen barrel, the assembly section 42 and the elastic transmission section 43 are inserted into the cavity 5 from top to bottom through the top opening of the cavity 5. The assembly section 42 is hung on the hanging wall 52, and the elastic transmission section 43 slides against the first step protrusion 11 and is deformed by the compression of the first step protrusion 11. When the end of the elastic transmission section 43 falls below the first step protrusion 11, the elastic transmission section 43 returns to its original shape, and its end abuts against the protrusion 51. Due to the obstruction of the protrusion 51, the elastic pen clip 4 cannot move upward to detach from the cavity 5. Since the end of the elastic transmission section 43 abuts against the outer wall of the inner pen barrel 1, when an external force is applied to pry the clamping section 41 outward, the elastic transmission section 43 can effectively undergo compression deformation under the interaction of the clamping section 41, the assembly section 42, and the inner pen barrel 1. The deformation recovery can help provide the elastic force for the clamping section 41 to return to its original shape.

[0044] The assembly process of this utility model is as follows: The outer pen barrel 2 is sleeved on the outside of the inner pen barrel 1. The first step protrusion 11 and the second step protrusion 12 extend from the hollow part 21 to achieve a non-rotational fit between the outer pen barrel 2 and the inner pen barrel 1. Then, the assembly section 42 and the elastic transmission section 43 of the elastic pen clip 4 are inserted into the cavity 5 from top to bottom. The assembly section 42 is hung on the hanging wall 52. The elastic transmission section 43 slides against the first step protrusion 11 and is deformed by the pressure of the first step protrusion 11. When the end of the elastic transmission section 43 falls below the first step protrusion 11, the elastic transmission section 43 returns to its original shape, and its end abuts against the protrusion 51. The hanging wall 52 restricts the elastic pen clip 4 from moving downward, and the protrusion 51 restricts the elastic pen clip 4 from moving upward, thereby realizing the installation and fixation of the elastic pen clip 4.

[0045] The above specific embodiments are used to explain and illustrate the present utility model, and are not intended to limit the present utility model. Any modifications and changes made to the present utility model within the spirit and scope of the claims shall fall within the protection scope of the present utility model.

Claims

1. A pen barrel of a writing pen, characterized by, The utility model relates to a pen barrel, comprising: an inner barrel (1) for accommodating a refill assembly (3); an outer barrel (2) separate from the inner barrel (1) and hollow inside and sleeved outside the inner barrel (1); the inner barrel (1) and the outer barrel (2) are assembled to form a cavity (5) for limiting and connecting an elastic clip (4).

2. The pen barrel of claim 1, wherein: The cavity (5) has at least a protruding part (51) for abutting against the elastic clip (4) and a hanging wall (52) for hanging the elastic clip (4).

3. The pen barrel of claim 2, wherein: The outer wall of the inner barrel (1) has a first stepped protrusion (11) forming the protruding part (51).

4. The pen barrel of claim 3, wherein: The side wall of the outer barrel (2) forms a hollow part (21) from which the first stepped protrusion (11) extends.

5. The pen barrel of claim 4, wherein: The side wall of the outer barrel (2) is arched outward at a position corresponding to the hollow part (21) to form a transition part (22) which, together with the first stepped protrusion (11) and the outer wall of the inner barrel (1), forms the cavity (5), and the side of the transition part (22) opposite the hollow part (21) is the hanging wall (52).

6. The pen barrel of claim 5, wherein: The hanging wall (52) has a limiting groove (521) on the side away from the barrel for clamping the elastic clip (4).

7. The pen barrel of claim 5, wherein: The transition part (22) has two opposite side walls (221) with a spacing equal to the width of the elastic clip (4) to limit the deflection of the elastic clip (4).

8. The pen barrel of claim 5, wherein: The hollow part (21) extends along the axial direction of the outer barrel (2), and the outer wall of the inner barrel (1) further has a second stepped protrusion (12) clamped in the hollow part (21).

9. A writing instrument characterized by: The utility model further relates to an elastic clip (4) comprising at least one clamping section (41), at least one assembly section (42), and at least one elastic transmission section (43), which are formed by bending a metal body, and at least part of the elastic transmission section (43) and the assembly section (42) are located in the cavity (5).

10. The writing instrument of claim 9, wherein: The end of the elastic transmission section (43) abuts against the protruding part (51), and the assembly section (42) is hung on the hanging wall (52).

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