A pen with a sheath

Abstract

The utility model discloses a pen with sheath (2), including pen holder (1), pen holder (1) lower part outer cover is equipped with sheath (2), sheath (2) one end with pen holder (1) between fixed connection, sheath (2) the other end with pen holder (1) between rotation connection, sheath (2) the other end with pen holder (1) between still be equipped with positioning structure. This pen with sheath can adjust the grip feeling of sheath to satisfy the demand of different users.

Description

Technical Field

[0001] This utility model relates to the field of stationery technology, specifically to a pen with a protective sleeve. Background Technology

[0002] In daily writing and creative activities, the pen is an indispensable tool, and its grip experience significantly impacts writing quality and efficiency. To improve writing comfort and anti-slip properties, various pen covers have emerged on the market. These covers offer users numerous conveniences. For example, silicone or rubber covers effectively increase friction between the pen and the hand, significantly reducing the risk of the pen slipping during writing and providing a more stable grip. Simultaneously, covers protect the pen body, reducing wear and tear caused by impacts and friction, thus extending the pen's lifespan. Some covers with special patterns or colors also meet users' personalized decoration needs, adding a touch of fun to writing.

[0003] However, existing pen sleeves typically employ fixed shapes and materials, resulting in significant drawbacks. Their grip cannot be adjusted to suit the user's needs. Different users have varying hand sizes, grip habits, and writing durations, making fixed-grip sleeves insufficient for diverse usage requirements. For example, users with smaller hands may find standard-sized sleeves too bulky, leading to discomfort and hindering writing flexibility. Conversely, for those who write for extended periods, sleeves with fixed hardness and shape fail to alleviate hand fatigue. Furthermore, in different writing scenarios, such as writing fine text or drawing patterns, users have varying requirements for pen grip strength and comfort. Existing pen sleeves, lacking grip adjustment capabilities, struggle to adapt to these complex and varied usage scenarios, limiting the pen's comfort and functionality in actual use. Utility Model Content

[0004] The technical problem to be solved by this utility model is to provide a pen with a protective sleeve, which can adjust the grip of the sleeve to meet the needs of different users.

[0005] The technical solution of this utility model is to provide a pen with a protective sleeve having the following structure: a pen barrel, the lower part of which is covered with a protective sleeve; one end of the protective sleeve is fixedly connected to the pen barrel, the other end of the protective sleeve is rotatably connected to the pen barrel, and a positioning structure is also provided between the other end of the protective sleeve and the pen barrel.

[0006] With the above structure, the pen with a protective sleeve of this invention has the following advantages compared with the prior art:

[0007] Since one end of the protective sleeve of the pen of this utility model is fixedly connected to the pen barrel, and the other end of the protective sleeve is rotatably connected to the pen barrel, rotating the other end of the protective sleeve can adjust the shape and hardness of the protective sleeve, thereby adjusting the grip of the protective sleeve to meet the needs of different users.

[0008] As an improvement, a fixing member is fixedly connected to one end of the sheath. This fixing member is fitted onto the outside of the pen barrel and is fixedly connected to the pen barrel. With this structure, the fixed connection between the sheath and the pen barrel is simple and easy to assemble.

[0009] As an improvement, the outer surface of the pen barrel is provided with a positioning rib, and the inner wall of the fixing member is provided with a positioning groove, in which the positioning rib is embedded. With this structure, the connection between the fixing member and the pen barrel is simple and easy to assemble.

[0010] As an improvement, one end of the sheath is provided with a first radial concave ring, and the fixing member is embedded in the first radial concave ring; one end face of the fixing member is provided with a first recess, and one side wall of the first radial concave ring is provided with a first protrusion that matches the first recess, and the first protrusion is embedded in the first recess. With this structure, the connection between the fixing member and the sheath is simple and easy to assemble. The fixing between the two is achieved through the structure of the first recess and the first protrusion, which is simple in structure and has a good positioning effect.

[0011] As an improvement, a second protrusion is provided on the end face of the other end of the fastener, and a second recess is provided on the other side wall of the first radial concave ring to match the second protrusion, with the second protrusion embedded in the second recess. With this structure, the fastener and the sheath are fixed together by the structure of the second recess and the second protrusion, making the connection between the fastener and the sheath more reliable.

[0012] As an improvement, a rotating component is fixedly connected to the other end of the sheath. This rotating component is fitted over the pen barrel and is rotatably connected to it. With this structure, the rotatable connection between the sheath and the pen barrel is simple and easy to assemble.

[0013] As an improvement, the inner wall of the rotating component is provided with multiple positioning grooves, and the outer surface of the pen barrel is provided with positioning protrusions. The positioning protrusions are embedded in one of the positioning grooves. When the rotating component rotates, the positioning protrusions can be switched to be embedded in other positioning grooves; the positioning grooves and the positioning protrusions form the positioning structure. With this structure, the rotating component and the pen barrel are positioned using the positioning grooves and positioning protrusions. The positioning structure is simple, and the positioning effect is good.

[0014] As an improvement, the other end of the sheath is provided with a second radial concave ring, and the rotating component is embedded in the second radial concave ring; one end face of the rotating component is provided with a third recess, and one side wall of the second radial concave ring is provided with a third protrusion that matches the third recess, and the third protrusion is embedded in the third recess. With this structure, the connection between the rotating component and the sheath is simple and easy to assemble. The structure of the third recess and the third protrusion fixes them together, resulting in a simple structure and good positioning effect.

[0015] As an improvement, a fourth protrusion is provided on the end face of the other end of the rotating component, and a fourth recess is provided on the other side wall of the second radial concave ring to match the fourth protrusion, with the fourth protrusion embedded in the fourth recess. With this structure, the rotating component and the sheath are fixed together by the structure of the fourth recess and the fourth protrusion, making the connection between the rotating component and the sheath more reliable.

[0016] As an improvement, a spring sheet is provided on the side wall of the pen barrel, and a positioning protrusion is provided on the side wall of the spring sheet near the rotating component. When the rotating component rotates, the spring sheet deforms, causing the positioning protrusion to disengage from the positioning groove and enter another positioning groove. With this structure, the positioning protrusion is located on the spring sheet, resulting in less resistance between the positioning protrusion and the rotating component during rotation, allowing for more flexible rotation. Furthermore, the positioning effect of the positioning protrusion is not affected by the elastic force of the spring sheet.

[0017] As an improvement, a through hole is provided on the side wall of the pen barrel, and one end of the spring is fixedly connected to the inner wall of the through hole. The positioning protrusion protrudes outside the through hole and extends beyond the side wall of the pen barrel. With this structure, the spring is simple to set, has better space for deformation, and thus has better elasticity.

[0018] As an improvement, the lower outer surface of the pen barrel is provided with a limiting protrusion ring, and the lower end of the pen barrel is detachably connected to a pen tip. The protective sleeve is fitted over the lower part of the pen barrel and is limited between the limiting protrusion ring and the pen tip. The upper end of the protective sleeve is rotatably connected to the pen barrel, and the lower end of the protective sleeve is fixedly connected to the pen barrel. With this structure, the assembly structure is simple, and the rotating end is located at the upper end of the protective sleeve, making it more convenient for the user to adjust. Attached Figure Description

[0019] Figure 1 This is a three-dimensional structural diagram of the pen with a protective sleeve according to this utility model;

[0020] Figure 2This is an exploded view of the pen with a protective sleeve according to the present invention.

[0021] Figure 3 This is a cross-sectional view of the pen with a protective sleeve according to the present invention.

[0022] Figure 4 This is a three-dimensional structural diagram of the protective sleeve of the pen with a protective sleeve according to the present invention.

[0023] Figure 5 This is a three-dimensional structural diagram of the protective sleeve of the pen with a protective sleeve according to this utility model from another angle.

[0024] The figure shows: 1. Pen barrel, 101. Limiting protrusion ring, 102. Positioning protrusion rib, 103. Positioning protrusion, 104. Spring piece, 105. Through hole, 2. Sheath, 201. First radial concave ring, 202. First protrusion, 203. Second concave part, 204. Second radial concave ring, 205. Third protrusion, 206. Fourth concave part, 3. Pen tip, 4. Fixing component, 401. First concave part, 402. Second protrusion, 403. Positioning groove, 5. Rotating component, 501. Third concave part, 502. Fourth protrusion, 503. Positioning groove. Detailed Implementation

[0025] To better understand this application, various aspects of this application will be described in more detail with reference to the accompanying drawings. It should be understood that these detailed descriptions are merely illustrative of exemplary embodiments of this application and are not intended to limit the scope of this application in any way. Throughout the specification, the same reference numerals refer to the same elements.

[0026] In the accompanying drawings, the thickness, size, and shape of the objects have been slightly exaggerated for illustrative purposes. The drawings are for illustrative purposes only and are not drawn to scale.

[0027] It should also be understood that the terms “comprising,” “including,” “having,” and “containing”, when used in this specification, indicate the presence of the described features, integrals, steps, operations, elements, and / or components, but do not exclude the presence or addition of one or more other features, integrals, steps, operations, elements, components, and / or combinations thereof.

[0028] like Figure 1 As shown, this utility model discloses a pen with a protective sleeve, including a pen barrel 1 and a protective sleeve 2.

[0029] like Figure 2As shown, the protective sleeve 2 is located at the lower part of the pen barrel 1, that is, a limiting protrusion ring 101 is provided on the outer surface of the lower part of the pen barrel 1. The lower end of the pen barrel 1 is detachably connected to the pen tip 3. An installation groove for installing the protective sleeve 2 is formed between the limiting protrusion ring 101 and the pen tip 3. The protective sleeve 2 is installed in the installation groove. In use, the protective sleeve 2 can be removed from the pen barrel 1 by removing the pen tip 3, which is very convenient for disassembly and assembly.

[0030] One end of the protective sleeve 2 is fixedly connected to the pen barrel 1, and the other end of the protective sleeve 2 is rotatably connected to the pen barrel 1. In this specific embodiment, the upper end of the protective sleeve 2 is rotatably connected to the pen barrel 1, and the lower end of the protective sleeve 2 is fixedly connected to the pen barrel 1. The protective sleeve 2 may have a recessed portion, a through hole 105, or an anti-slip texture, etc. Most protective sleeves 2 currently used in the market are suitable for this application.

[0031] like Figures 3 to 4 As shown, a fixing member 4 is fixedly connected to the lower end of the sheath 2. Specifically, a first radial concave ring 201 is provided inside the lower end of the sheath 2, and the fixing member 4 is embedded within the first radial concave ring 201. A first recess 401 is provided on the end face of one end of the fixing member 4, and a first protrusion 202 matching the first recess 401 is provided on one side wall of the first radial concave ring 201. The first protrusion 202 is embedded within the first recess 401. To make the connection structure more reliable, multiple pairs of first recesses 401 and first protrusions 202 can be provided. In this specific embodiment, there are two first recesses 401 and two first protrusions 202, with each first protrusion 202 correspondingly embedded within one of the two first recesses 401.

[0032] The other end face of the fastener 4 is provided with a second protrusion 402, and the other side wall of the first radial concave ring 201 is provided with a second recess 203 that matches the second protrusion 402. The second protrusion 402 is embedded in the second recess 203. To make the connection structure more reliable, multiple pairs of the second recess 203 and the second protrusion 402 can be provided. In this specific embodiment, there are two second recesses 203 and two second protrusions 402, and the two second protrusions 402 are embedded in the two second recesses 203 in a one-to-one correspondence.

[0033] The fixing member 4 is fitted onto the outside of the pen barrel 1 and is fixedly connected to the pen barrel 1. Specifically, the outer surface of the pen barrel 1 has a positioning rib 102, and the inner wall of the fixing member 4 has a positioning groove 403. The positioning rib 102 is embedded in the positioning groove 403, thus fixing the fixing member 4 to the pen barrel 1. To make the connection structure more stable, multiple pairs of positioning ribs 102 and positioning grooves 403 can be provided. In this specific embodiment, there are two positioning ribs 102 and two positioning grooves 403, with each pair of positioning ribs 102 correspondingly embedded in one of the two positioning grooves 403.

[0034] like Figure 5 As shown, a rotating member 5 is fixedly connected to the upper end of the sheath 2, meaning that a second radial concave ring 204 is provided at the other end of the sheath 2, and the rotating member 5 is embedded in the second radial concave ring 204. A third recess 501 is provided on the end face of one end of the rotating member 5, and a third protrusion 205 matching the third recess 501 is provided on one side wall of the second radial concave ring 204, the protrusion being embedded in the third recess 501. To make the connection structure more reliable, multiple pairs of third recesses 501 and third protrusions 205 can be provided. In this specific embodiment, there are two third recesses 501 and two third protrusions 205, with each third protrusion 205 correspondingly embedded in one of the two third recesses 501.

[0035] The other end face of the rotating member 5 is provided with a fourth recess 206, and the other side wall of the second radial concave ring 204 is provided with a fourth protrusion 502 that matches the fourth recess 206. The fourth protrusion 502 is embedded in the fourth recess 206. To make the connection structure more reliable, multiple pairs of fourth recesses 206 and fourth protrusions 502 can be provided. In this specific embodiment, there are two fourth recesses 206 and two fourth protrusions 502, with the two fourth protrusions 502 being embedded in the two fourth recesses 206 in a one-to-one correspondence.

[0036] The rotating component 5 is fitted onto the outside of the pen barrel 1 and is rotatably connected to the pen barrel 1. A positioning structure is provided between the rotating component 5 and the pen barrel 1. The positioning structure includes a positioning protrusion 103 and a positioning groove 503. The positioning groove 503 is located on the inner wall of the rotating component 5, and the positioning protrusion 103 is located on the pen barrel 1. When the rotating component 5 rotates, the positioning protrusion 103 can be switched and embedded into other positioning grooves 503.

[0037] Multiple positioning grooves 503 are provided, evenly distributed along the circumferential direction of the inner wall of the rotating member 5. Two positioning protrusions 103 are provided, each embedded in a corresponding positioning groove 503. A spring piece 104 is provided on the side wall of the pen barrel 1. In this specific embodiment, a through hole 105 is provided on the side wall of the pen barrel 1. One end of the spring piece 104 is fixedly connected to the inner wall of the through hole 105. The positioning protrusion 103 is located on the side wall of the spring piece 104 near the rotating member 5. The positioning protrusion 103 protrudes outside the through hole 105 and extends beyond the side wall of the pen barrel 1. When the rotating member 5 rotates, the spring piece 104 deforms, causing the positioning protrusion 103 to disengage from the positioning groove 503 and enter another positioning groove 503.

[0038] The pen with a protective sleeve disclosed in this utility model is used by the user holding the upper end of the protective sleeve 2 with their fingers and then rotating the upper end of the protective sleeve 2. The rotating component 5 will rotate together with the upper end of the protective sleeve 2, and the positioning protrusion 103 will disengage from the original positioning groove 503 and enter the next positioning groove 503. As the rotating component 5 rotates, since the lower end of the protective sleeve 2 is fixed to the pen barrel 1, the protective sleeve 2 will twist, and a concave part will be formed on the surface of the protective sleeve 2. The greater the amplitude of the twist, the more obvious the concave part will be, and the hardness of the protective sleeve 2 will also change accordingly. The user can adjust it according to the comfort of use. The rotating component 5 can rotate to the left or right, and the direction of rotation is not restricted.

[0039] This utility model is not limited to the above-described preferred embodiments. Anyone can derive other forms of products under the guidance of this utility model. However, regardless of any changes made in their shape or structure, any technical solution that is the same as or similar to this application falls within the protection scope of this utility model.

Claims

1. A pen with a protective sleeve, comprising a pen barrel (1), wherein the lower part of the pen barrel (1) is fitted with a protective sleeve (2); characterized in that: One end of the sheath (2) is fixedly connected to the pen barrel (1), and the other end of the sheath (2) is rotatably connected to the pen barrel (1). A positioning structure is also provided between the other end of the sheath (2) and the pen barrel (1).

2. The pen with a protective sleeve according to claim 1, characterized in that: The sheath (2) has a fixing member (4) fixedly connected to one end. The fixing member (4) is fitted outside the pen barrel (1) and is fixedly connected to the pen barrel (1).

3. The pen with a protective sleeve according to claim 2, characterized in that: The outer surface of the pen barrel (1) is provided with a positioning rib (102), and the inner wall of the fixing member (4) is provided with a positioning groove (403). The positioning rib (102) is embedded in the positioning groove (403).

4. The pen with a protective sleeve according to claim 2, characterized in that: The sheath (2) has a first radial concave ring (201) inside one end, and the fastener (4) is embedded in the first radial concave ring (201); the end face of one end of the fastener (4) has a first recess (401), and a first protrusion (202) matching the first recess (401) is provided on one side wall of the first radial concave ring (201), and the first protrusion (202) is embedded in the first recess (401).

5. The pen with a protective sleeve according to claim 4, characterized in that: The other end face of the fastener (4) is provided with a second protrusion (402), and the other side wall of the first radial concave ring (201) is provided with a second concave portion (203) that matches the second protrusion (402), and the second protrusion (402) is embedded in the second concave portion (203).

6. The pen with a protective sleeve according to any one of claims 1 to 5, characterized in that: The other end of the sheath (2) is fixedly connected to a rotating component (5), which is fitted over the pen barrel (1) and is rotatably connected to the pen barrel (1).

7. The pen with a protective sleeve according to claim 6, characterized in that: The inner wall of the rotating component (5) is provided with multiple positioning grooves (503), and the outer surface of the pen barrel (1) is provided with positioning protrusions (103). The positioning protrusions (103) are embedded in one of the positioning grooves (503). When the rotating component (5) rotates, the positioning protrusions (103) can be switched to be embedded in other positioning grooves (503). The positioning grooves (503) and the positioning protrusions (103) form the positioning structure.

8. The pen with a protective sleeve according to claim 7, characterized in that: The other end of the sheath (2) is provided with a second radial concave ring (204), and the rotating member (5) is embedded in the second radial concave ring (204); a third concave portion (501) is provided on the end face of one end of the rotating member (5), and a third protrusion (205) matching the third concave portion (501) is provided on one side wall of the second radial concave ring (204), and the third protrusion (205) is embedded in the third concave portion (501).

9. The pen with a protective sleeve according to claim 8, characterized in that: The rotating member (5) has a fourth protrusion (502) on its end face, and the second radial concave ring (204) has a fourth concave portion (206) on its other side wall that matches the fourth protrusion (502). The fourth protrusion (502) is embedded in the fourth concave portion (206).

10. The pen with a protective sleeve according to claim 7, characterized in that: The pen barrel (1) is provided with a spring piece (104) on its side wall, and the spring piece (104) is provided with a positioning protrusion (103) on its side wall near the rotating member (5); when the rotating member (5) rotates, the spring piece (104) will deform, causing the positioning protrusion (103) to disengage from the positioning groove (503) and enter another positioning groove (503).

11. The pen with a protective sleeve according to claim 10, characterized in that: The pen barrel (1) has a through hole (105) on its side wall. One end of the spring piece (104) is fixedly connected to the inner wall of the through hole (105). The positioning protrusion (103) is exposed outside the through hole (105) and protrudes from the side wall of the pen barrel (1).

12. The pen with a protective sleeve according to any one of claims 1 to 5 or 7 to 11, characterized in that: The lower outer surface of the pen barrel (1) is provided with a limiting protrusion ring (101), and the lower end of the pen barrel (1) is detachably connected to a pen tip (3). The sleeve (2) is fitted on the lower part of the pen barrel (1) and limited between the limiting protrusion ring (101) and the pen tip (3). The upper end of the sleeve (2) is rotatably connected to the pen barrel (1), and the lower end of the sleeve (2) is fixedly connected to the pen barrel (1).

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