Direct-liquid type soft-head pen

Abstract

The utility model discloses a direct liquid type soft head pen which comprises an ink cylinder, a water blocking device, a water leading core and a pen point assembly, the pen point assembly is connected to one end of the ink cylinder, the water blocking device is arranged in the end, close to the pen point assembly, of the ink cylinder and connected with the pen point assembly, one end of the water leading core penetrates through the water blocking device and extends into the ink cylinder, and the other end of the water leading core extends into the pen point assembly. The pen point assembly comprises a pen point body and a limiting head, the limiting head is connected with the end of the ink blocking device and the ink cylinder, a first limiting part is arranged on the inner wall of the ink blocking device, a second limiting part is arranged on the outer wall of the ink guiding core, and the first limiting part abuts against the second limiting part to prevent the ink guiding core from shifting. Through the structure that the first limiting part is arranged on the inner wall of the ink blocking device, the second limiting part is arranged on the outer wall of the ink guide core, and the first limiting part abuts against the second limiting part, the ink guide core is effectively prevented from moving towards the ink cylinder, it is guaranteed that the ink guide core is always connected with the pen point assembly, ink is discharged smoothly, and writing is smooth.

Description

Technical Field

[0001] The utility model relates to a pen, in particular to a straight liquid type soft-tip pen. Background Art

[0002] One end of the water-drawing core in the existing straight-liquid soft-tip pen passes through the water retainer and extends into the ink tank, and the other end extends into the nib assembly. Since there is no limiting structure between the water-drawing core and the water retainer, the water-drawing core has a probability of sliding from the water retainer toward the ink tank, causing the water-drawing core and the nib assembly to be disconnected, thereby causing problems such as poor ink flow and inability to write. Utility Model Content

[0003] In view of the shortcomings of the existing technology, the utility model aims to provide a straight liquid type soft-tip pen.

[0004] In order to achieve the above-mentioned purpose, the technical solution adopted by the utility model is: a straight liquid soft-tip pen, comprising an ink cartridge, a water retainer, a water guide core, and a nib assembly, wherein the nib assembly is connected to one end of the ink cartridge, the water retainer is arranged in one end of the ink cartridge close to the nib assembly and is connected to the nib assembly, one end of the water guide core passes through the water retainer and extends into the ink cartridge, and the other end extends into the nib assembly, the nib assembly comprises a nib body and a limiting head, the limiting head is connected to the end of the water retainer and the ink cartridge, a first limiting portion is provided on the inner wall of the water retainer, and a second limiting portion is provided on the outer wall of the water guide core that cooperates with the first limiting portion, and the first limiting portion abuts against the second limiting portion to prevent the water guide core from shifting.

[0005] Preferably, the first limiting portion is arranged at one end of the water stopper close to the pen tip assembly, and the first limiting portion includes a first groove, the second limiting portion is arranged at one end of the water guide core extending into the pen tip assembly, and the second limiting portion includes a first step, and the first groove abuts against the first step.

[0006] Preferably, the first limiting portion is arranged in one end of the water stop away from the nib assembly, and the first limiting portion includes at least one stopper, the second limiting portion is arranged at one end of the water guide core away from the nib assembly, and the second limiting portion includes a second step, and the stopper abuts against the second step.

[0007] Preferably, the first limiting portion is arranged in one end of the water stop away from the nib assembly, and the first limiting portion includes a third step, the second limiting portion is arranged at one end of the water guide core away from the nib assembly, and the second limiting portion includes a second step, and the third step abuts against the second step.

[0008] Preferably, the first limiting portion includes a first groove and at least one block, the first groove is arranged in one end of the water stop close to the nib assembly, and the block is arranged in one end of the water stop away from the nib assembly; the second limiting portion includes a first step and a second step, the first step is arranged at one end of the water guide core extending into the nib assembly, and the second step is arranged at one end of the water guide core away from the nib assembly; the first groove abuts against the first step, and the block abuts against the second step.

[0009] The beneficial effects of the utility model: the utility model arranges a first limiting portion on the inner wall of the water retainer, arranges a second limiting portion on the outer wall of the water guide core, and the first limiting portion abuts against the second limiting portion, thereby effectively preventing the water guide core from moving toward the ink cylinder, ensuring that the water guide core is always connected to the pen head assembly, so that the utility model can smoothly discharge ink and write smoothly.

[0010] The utility model also has the characteristics of simple structure, convenient processing and easy assembly, and strong practicality. BRIEF DESCRIPTION OF THE DRAWINGS

[0011] Figure 1 is a cross-sectional view of the first embodiment;

[0012] Figure 2 for Figure 1 A partial enlarged view of middle A;

[0013] Figure 3 It is a structural schematic diagram of the water retainer in the first embodiment;

[0014] Figure 4 It is a structural schematic diagram of the water diversion core in the first embodiment;

[0015] Figure 5 is a cross-sectional view of the second embodiment;

[0016] Figure 6 for Figure 5 A partial enlarged view of B in the middle;

[0017] Figure 7 It is a structural schematic diagram of the water retainer in the second embodiment;

[0018] Figure 8 It is a structural schematic diagram of the water diversion core in the second embodiment. DETAILED DESCRIPTION

[0019] like Figure 1-Figure 8As shown, a straight liquid soft-tip pen comprises an ink cartridge 1, a water retainer 2, a water guide core 3, and a nib assembly, wherein the nib assembly is connected to one end of the ink cartridge 1, the water retainer 2 is arranged in one end of the ink cartridge 1 close to the nib assembly and is connected to the nib assembly, one end of the water guide core 3 passes through the water retainer 2 and extends into the ink cartridge 1, and the other end extends into the nib assembly, the nib assembly comprises a nib body 4 and a limiting head 5, wherein the limiting head 5 is connected to the end of the water retainer 2 and the ink cartridge 1, a first limiting portion 6 is provided on the inner wall of the water retainer 2, a second limiting portion 7 matched with the first limiting portion 6 is provided on the outer wall of the water guide core 3, and the first limiting portion 6 abuts against the second limiting portion 7 to prevent the water guide core 3 from shifting.

[0020] In embodiment 1, the first limiting portion 6 is arranged at one end of the water stop 2 close to the pen tip assembly, and the first limiting portion 6 includes a first groove 61, the second limiting portion 7 is arranged at one end of the water guide core 3 extending into the pen tip assembly, and the second limiting portion 7 includes a first step 71, and the first groove 61 abuts against the first step 71.

[0021] In the second embodiment, the first limiting portion 6 is arranged in the end of the water stop 2 away from the pen tip assembly, and the first limiting portion 6 includes at least one stop block 62, the second limiting portion 7 is arranged at the end of the water guide core 3 away from the pen tip assembly, and the second limiting portion 7 includes a second step 72, and the stop block 62 abuts against the second step 72.

[0022] In embodiment three, the first limiting portion 6 is arranged in the end of the water stopper 2 away from the pen tip assembly, and the first limiting portion 6 includes a third step, the second limiting portion 7 is arranged at the end of the water guide core 3 away from the pen tip assembly, and the second limiting portion 7 includes a second step 72, and the third step abuts against the second step 72.

[0023] In embodiment four, the first limiting portion 6 includes a first groove 61 and at least one stopper 62, the first groove 61 is arranged in one end of the water stop 2 close to the pen tip assembly, and the stopper 62 is arranged in one end of the water stop 2 away from the pen tip assembly; the second limiting portion 7 includes a first step 71 and a second step 72, the first step 71 is arranged at one end of the water guide core 3 extending into the pen tip assembly, and the second step 72 is arranged at one end of the water guide core 3 away from the pen tip assembly; the first groove 61 abuts against the first step 71, and the stopper 62 abuts against the second step 72.

[0024] The utility model sets a first limiting portion 6 on the inner wall of the water retainer 2 and a second limiting portion 7 on the outer wall of the water guide core 3. The structure in which the first limiting portion 6 abuts against the second limiting portion 7 effectively prevents the water guide core 3 from moving toward the ink cartridge 1, thereby ensuring that the water guide core 3 is always connected to the pen head assembly, so that the utility model can smoothly discharge ink and write smoothly.

[0025] The above shows and describes the basic principle, main features and advantages of the utility model. The technicians in this industry should understand that the utility model is not limited by the above embodiments, and the above embodiments and descriptions are only for explaining the principle of the utility model. Without departing from the spirit and scope of the utility model, simple changes and substitutions by ordinary technicians in this field are within the protection scope of the utility model.

Claims

1. A straight liquid soft-tip pen, comprising an ink cartridge, a water retainer, a water guide core, and a pen tip assembly, wherein the pen tip assembly is connected to one end of the ink cartridge, the water retainer is arranged in one end of the ink cartridge close to the pen tip assembly and connected to the pen tip assembly, one end of the water guide core passes through the water retainer and extends into the ink cartridge, and the other end extends into the pen tip assembly, the pen tip assembly comprises a pen tip body and a limit head, the limit head is connected to the end of the water retainer and the ink cartridge, and is characterized in that: The inner wall of the water retainer is provided with a first limiting portion, and the outer wall of the water diversion core is provided with a second limiting portion matched with the first limiting portion, and the first limiting portion abuts against the second limiting portion to prevent the water diversion core from shifting.

2. A straight liquid soft-tip pen as claimed in claim 1, characterized in that: The first limiting portion is arranged at one end of the water stopper close to the pen tip assembly, and the first limiting portion includes a first groove. The second limiting portion is arranged at one end of the water guide core extending into the pen tip assembly, and the second limiting portion includes a first step. The first groove abuts against the first step.

3. A straight liquid soft-tip pen as claimed in claim 1, characterized in that: The first limiting portion is arranged in one end of the water stop away from the nib assembly, and the first limiting portion includes at least one stopper, the second limiting portion is arranged at one end of the water guide core away from the nib assembly, and the second limiting portion includes a second step, and the stopper abuts against the second step.

4. A straight liquid soft-tip pen as claimed in claim 1, characterized in that: The first limiting portion is arranged in one end of the water stopper away from the nib assembly, and the first limiting portion includes a third step. The second limiting portion is arranged at one end of the water guide core away from the nib assembly, and the second limiting portion includes a second step. The third step abuts against the second step.

5. A straight liquid soft-tip pen as claimed in claim 2 or 3, characterized in that: The first limiting portion includes a first groove and at least one block, the first groove is arranged in one end of the water stop close to the nib assembly, and the block is arranged in one end of the water stop away from the nib assembly; the second limiting portion includes a first step and a second step, the first step is arranged at one end of the water guide core extending into the nib assembly, and the second step is arranged at one end of the water guide core away from the nib assembly; the first groove abuts against the first step, and the block abuts against the second step.

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