Ink drying prevention structure of pen

Abstract

The utility model discloses a pen ink dry prevention structure, which comprises a penholder, a pen cap, a press head and a pen point, the press head is arranged in the left end of the penholder, the press head is arranged in a first protection structure, one end of the penholder far away from the press head is connected with a connecting rod, the pen cap is arranged on the outer side of the connecting rod, a sealing assembly is arranged in the pen cap, and the sealing assembly is connected with the pen cap. The end, away from the penholder, of the pen sleeve is provided with a second protection structure, the end, away from the penholder, of the connecting rod is connected with a pen holder, and the end, away from the penholder, of the pen holder is fixedly connected with a pen point. According to the pen ink drying prevention structure, the pressing head is protected through the first protection structure, the sealing performance of connection between the pressing head and the pen holder is improved, and therefore the ink drying prevention effect is achieved, the sealing performance of the pen cap, the pen holder and the connecting rod is improved through the sealing assembly, air is prevented from entering the pen cap, and ink drying is further prevented; and through the second protection structure, the pen point is protected, and the ink is further prevented from drying up.

Description

TECHNICAL FIELD

[0001] The utility model relates to a pen technical field, concretely is a pen prevent ink dry structure. BACKGROUND

[0002] As a traditional writing tool, the design and function of the pen still have important practical value in modern times. However, there are some problems in the use of traditional pens, especially in preventing ink from drying and leaking.

[0003] The existing pen is prone to dry due to air contact when not used for a long time, which leads to poor writing. Frequent opening and closing of the pen cap or changes in air pressure in the ink reservoir can cause ink leakage, which pollutes clothes or writing content. Some pens use small capacity ink capsules, which need to be replaced frequently, and the installation and replacement process is prone to ink leakage, so it is necessary to set up a structure to prevent ink from drying.

[0004] Therefore, we propose a pen ink dry structure to solve the problems mentioned above. INVENTION CONTENTS

[0005] The utility model aims at providing a pen ink dry structure to solve the problems of the existing pen in the background art, such as the ink in the pen tip and ink reservoir drying due to air contact when not used for a long time, leading to poor writing, frequent opening and closing of the pen cap or changes in air pressure in the ink reservoir causing ink leakage, which pollutes clothes or writing content, and some pens using small capacity ink capsules, which need to be replaced frequently, and the installation and replacement process is prone to ink leakage.

[0006] To achieve the above purpose, the utility model provides the following technical scheme: a pen ink dry structure, comprising a pen barrel, a pen sleeve, a knob and a pen tip, the left end of the pen barrel is provided with a knob, the knob is arranged in the first protection structure, the end of the pen barrel away from the knob is connected with a connecting rod, the outer side of the connecting rod is provided with a pen sleeve, the pen sleeve is provided with a sealing assembly, the end of the pen sleeve away from the pen barrel is provided with a second protection structure, the end of the connecting rod away from the pen barrel is connected with a pen grip, and the end of the pen grip away from the pen barrel is fixedly connected with a pen tip.

[0007] The first protection structure comprises an outer thread connection ring, an inner thread connection ring, a first sealing ring and a protection shell, the protection shell is threadedly connected with the inner thread connection ring through the outer thread connection ring, and the protection shell is provided with the first sealing ring.

[0008] Preferably, the sealing assembly comprises a second sealing ring and a third sealing ring, and the second sealing ring and the third sealing ring are fixedly installed in the pen sleeve.

[0009] Preferably, the second sealing ring is arranged outside the connecting rod.

[0010] Preferably, the third sealing ring is arranged outside the pen holder.

[0011] Preferably, the second protection structure comprises a sleeve head, a spring, a first protection pad, a protection groove, a second protection pad, a first threaded connecting ring and a second threaded connecting ring, the sleeve head is fixedly connected with the first threaded connecting ring at one end close to the pen holder, the first threaded connecting ring is threadedly connected with the second threaded connecting ring outside, the sleeve head is fixedly connected with the spring inside, the spring is fixedly connected with the first protection pad at an end away from the sleeve head, the first protection pad is provided with the protection groove inside, and the protection groove is fixedly installed with the second protection pad.

[0012] Preferably, the second threaded connecting ring is arranged inside the pen sleeve.

[0013] Preferably, the inner threaded connecting ring is fixedly connected at the outer end of the left side of the pen rod.

[0014] Compared with the prior art, the beneficial effects of the utility model are that: the pen ink dryness preventing structure protects the knob through the first protection structure, improves the sealing performance of the knob and the pen rod, plays the role of preventing the ink from drying, improves the sealing performance of the pen sleeve, the pen holder and the connecting rod through the sealing assembly, avoids the air from entering the pen sleeve, further prevents the ink from drying, protects the pen point through the second protection structure, and further prevents the ink from drying.

[0015] 1. The first protection structure is arranged, the inner threaded connecting ring is threadedly connected with the outer threaded connecting ring, the knob is protected by the protection shell, the sealing ring is arranged in the protection shell, the sealing effect of the protection shell is improved, the sealing effect of the knob and the pen rod is improved, and the ink can be prevented from drying when the pen is not used for a long time;

[0016] 2. The sealing assembly is arranged, the third and fourth sealing rings are fixedly installed in the pen sleeve, the third sealing ring improves the sealing performance between the pen sleeve and the connecting rod, and the fourth sealing ring improves the sealing performance between the pen sleeve and the pen holder;

[0017] 3. The second protection structure is arranged, the pen point is protected by the first and second protection pads, the protection pad is made of a sealing material, the ink can be prevented from leaking, the first and second protection pads are buffered by the spring, and the pen point can be prevented from being damaged when the pen falls. BRIEF DESCRIPTION OF DRAWINGS

[0018] Figure 1 It is a front view of the sectional structure of the utility model;

[0019] Figure 2 It is the utility model Figure 1Enlarged structural schematic view at A;

[0020] Figure 3 For the utility model Figure 1 Enlarged structural schematic view at B;

[0021] Figure 4 For the utility model Figure 1 Enlarged structural schematic view at C;

[0022] Figure 5 Front view structural schematic view of the utility model.

[0023] In the figure: 1, pen holder;2, pen sleeve;3, press head;4, first protection structure;401, outer thread connecting ring;402, inner thread connecting ring;403, first sealing ring;404, protective shell;5, sealing assembly;501, second sealing ring;502, third sealing ring;6, second protection structure;601, sleeve head;602, spring;603, first protection pad;604, protection groove;605, second protection pad;606, first threaded connecting ring;607, second threaded connecting ring;7, pen nib;8, pen grip;9, connecting rod. Specific implementation

[0024] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the protection scope of the utility model.

[0025] Please refer to Figures 1-5 The utility model provides the following technical scheme:

[0026] Embodiment one: a pen ink dryout prevention structure, including pen holder 1, pen sleeve 2, press head 3 and pen nib 7, the left end in pen holder 1 installs press head 3, and press head 3 is arranged at first protection structure 4, and the end, away from press head 3, of pen holder 1 is connected with connecting rod 9, and the outer side of connecting rod 9 is provided with pen sleeve 2, and pen sleeve 2 is provided with sealing assembly 5, and the end, away from pen holder 1, of pen sleeve 2 is installed with second protection structure 6, and the end, away from pen holder 1, of connecting rod 9 is connected with pen grip 8, and the end, away from pen holder 1, of pen grip 8 is fixedly connected with pen nib 7;

[0027] As Figure 1 , Figure 2 and Figure 5As shown, the first protection structure 4 includes an outer threaded connecting ring 401, an inner threaded connecting ring 402, a first sealing ring 403 and a protective shell 404, the left end of the pen barrel 1 is provided with a push button 3, the push button 3 in the structure of the pen generally refers to a button or a pressure rod on the pen, used to control the suction and discharge of ink, the outer side is provided with an outer threaded connecting ring 401, the protective shell 404 is provided with an outer threaded connecting ring 401, the protective shell 404 is screwed with an inner threaded connecting ring 402 through the outer threaded connecting ring 401, so that the push button 3 of the protective shell 404 is located in the protective shell 404 and is protected, avoiding errors, while the protective shell 404 is provided with a first sealing ring 403, which can improve the sealing performance of the protective shell 404, thereby further improving the sealing performance of the push button 3, thereby avoiding the ink in the pen bladder from drying out when it needs to be sucked or discharged, and the protective shell 404 can be screwed off;

[0028] As shown in Figure 1 and Figure 3 , the sealing assembly 5 includes a second sealing ring 501 and a third sealing ring 502, the second sealing ring 501 and the third sealing ring 502 are fixedly installed in the pen sleeve 2, the second sealing ring 501 is arranged on the outer side of the connecting rod 9, and the third sealing ring 502 is arranged on the outer side of the pen grip 8, thereby improving the sealing performance of the pen sleeve 2, so that a sealed space can be formed between the pen sleeve 2 and the pen nib 7, thereby preventing air from entering from the pen tongue, thereby preventing the ink in the pen bladder from drying out;

[0029] As shown in Figure 1 , Figure 3 and Figure 5 , the second protection structure 6 includes a sleeve head 601, a spring 602, a first protection pad 603, a protection groove 604, a second protection pad 605, a first threaded connecting ring 606 and a second threaded connecting ring 607, the first protection pad 603 is arranged in the third sealing ring 502, the first protection pad 603 is provided with the protection groove 604, the pen nib 7 is arranged in the protection groove 604, the second protection pad 605 is fixedly installed in the protection groove 604, the pen nib 7 is covered by the second protection pad 605, the second protection pad 605 protects the pen nib 7, and the first protection pad 603 and the second protection pad 605 are made of sealing material, so that the pen nib 7 is in a sealed state, thereby preventing ink from leaking from the pen nib 7;

[0030] The sleeve 601 is fixedly connected with a spring 602, and the spring 602 is fixedly connected with a first protective pad 603 at an end away from the sleeve 601; the spring 602 is used for buffering, so that the first protective pad 603 and a second protective pad 605 can reduce the extrusion damage to the pen point 7 when the pen falls; the sleeve 601 is fixedly connected with a first threaded connecting ring 606 at an end close to the pen grip 8; a second threaded connecting ring 607 is arranged on the inner side of the pen sleeve 2; the sleeve 601 is screwed with the first threaded connecting ring 606 and the second threaded connecting ring 607, so that the sleeve 601 is installed on the right side of the pen sleeve 2, and the second protective structure 6 is convenient to disassemble, so that the first protective pad 603, the protective groove 604 and the second protective pad 605 can be cleaned.

[0031] The above completes a series of operations of the pen anti-dry ink structure, and the contents not described in detail in the description belong to the prior art known to those skilled in the art.

[0032] The standard parts used in the utility model can be purchased from the market, the special-shaped parts can be ordered according to the description and the drawings, the specific connection mode of each part adopts the conventional means such as bolts, rivets and welding in the prior art, the machinery, parts and equipment adopt conventional models in the prior art, the circuit connection adopts the conventional connection mode in the prior art, and details are not described herein.

[0033] Although the utility model has been described in detail with reference to the foregoing embodiments, those skilled in the art can still modify the technical solutions recorded in the foregoing embodiments or make equivalent replacement to part of the technical features, and any modification, equivalent replacement, improvement, etc. within the spirit and principles of the utility model should be included in the protection scope of the utility model.

Claims

1. A fountain pen ink-drying prevention structure, comprising a pen barrel (1), a pen cap (2), a plunger (3), and a nib (7), characterized in that: A pusher (3) is installed inside the left end of the pen barrel (1). The pusher (3) is located inside the first protective structure (4). A connecting rod (9) is connected to the end of the pen barrel (1) away from the pusher (3). A pen sleeve (2) is provided on the outside of the connecting rod (9). A sealing component (5) is provided inside the pen sleeve (2). A second protective structure (6) is installed on the end of the pen sleeve (2) away from the pen barrel (1). A pen grip (8) is connected to the end of the connecting rod (9) away from the pen barrel (1). A pen tip (7) is fixedly connected to the end of the pen grip (8) away from the pen barrel (1). The first protective structure (4) includes an external threaded connecting ring (401), an internal threaded connecting ring (402), a first sealing ring (403), and a protective shell (404). The protective shell (404) is threadedly connected to the internal threaded connecting ring (402) through the external threaded connecting ring (401), and the first sealing ring (403) is provided inside the protective shell (404).

2. The fountain pen ink-preventing structure according to claim 1, characterized in that: The sealing assembly (5) includes a second sealing ring (501) and a third sealing ring (502), both of which are fixedly installed inside the pen cap (2).

3. The fountain pen ink-preventing structure according to claim 2, characterized in that: The second sealing ring (501) is located on the outside of the connecting rod (9).

4. The fountain pen ink-preventing structure according to claim 2, characterized in that: The third sealing ring (502) is located on the outside of the pen grip (8).

5. The fountain pen ink-preventing structure according to claim 1, characterized in that: The second protective structure (6) includes a sleeve (601), a spring (602), a first protective pad (603), a protective groove (604), a second protective pad (605), a first threaded connecting ring (606), and a second threaded connecting ring (607). The sleeve (601) is fixedly connected to the first threaded connecting ring (606) at the end near the pen grip (8). The second threaded connecting ring (607) is threadedly connected to the outer side of the first threaded connecting ring (606). The spring (602) is fixedly connected inside the sleeve (601). The first protective pad (603) is fixedly connected to the end of the spring (602) away from the sleeve (601). The first protective pad (603) has a protective groove (604) inside. The second protective pad (605) is fixedly installed inside the protective groove (604).

6. The fountain pen ink-preventing structure according to claim 5, characterized in that: The second threaded connecting ring (607) is located inside the pen cap (2).

7. The fountain pen ink-preventing structure according to claim 1, characterized in that: The internal threaded connecting ring (402) is fixedly connected to the outer left end of the pen barrel (1).

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