CN220947294U - Full needle tube pen point - Google Patents
Full needle tube pen point Download PDFInfo
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- CN220947294U CN220947294U CN202322363456.1U CN202322363456U CN220947294U CN 220947294 U CN220947294 U CN 220947294U CN 202322363456 U CN202322363456 U CN 202322363456U CN 220947294 U CN220947294 U CN 220947294U
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- pen point
- full needle
- ink guide
- guide cavity
- steel ball
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Abstract
The application relates to a full needle tube pen point, which relates to the technical field of stationery, and comprises a pen point main body and steel balls, wherein one end of the pen point main body is provided with a bowl opening for the steel balls to be put in and rotate, the other end of the pen point main body is provided with a first ink guide cavity, and the inside of the pen point main body is provided with a second ink guide cavity for connecting the bowl opening and the first ink guide cavity; a gap exists between the inner wall of the bowl opening and the steel ball, an elastic ring is arranged on the edge of the bowl opening, close to the second ink guide cavity, of the pen point main body, and the side surface, far away from the second ink guide cavity, of the elastic ring is abutted against the steel ball; due to the blocking arrangement of the elastic ring, when the gel pen applying the full needle tube pen point falls to the ground, the elastic ring plays a role in buffering, so that the impact force of the steel ball on the inner wall of the bowl mouth is reduced, the possibility of deformation between the steel ball and the inner wall of the bowl mouth is reduced, and the service performance and the service life of the full needle tube pen point are improved.
Description
Technical Field
The application relates to the technical field of stationery, in particular to a full needle tube pen point.
Background
The full needle tube pen point of the gel pen is a common writing tool, and the background of the gel pen is from the improvement and optimization of the traditional pen; the pen is required to make ink flow through the nib by gravity of the ink during writing, so that a certain inclination angle and pen touch are required to be maintained, which limits the writing angle and posture. To improve this problem, a full needle tip for a gel ink pen has been developed.
In the related art, the full needle tube pen point comprises a full needle tube main body and steel balls, wherein a bowl opening for the steel balls to be embedded and rotated is arranged at the end part of the full needle tube main body, and meanwhile, an ink guide cavity communicated with the bowl opening is formed in the full needle tube main body; the ink in the pen tube enters the bowl opening through the ink guide cavity, so that the steel ball is contacted with the ink, and then the ink is contacted with the paper surface along with the steel ball, so that writing is realized; the gravity can be fully utilized when the ink flows through the pen point, and the limit of the inclination angle is eliminated, so that the full needle tube pen point of the gel ink pen can write at any angle, whether parallel to the ground, perpendicular to the ground or at other special angles.
When the gel pen applying the full needle tube pen point falls off from a desktop or at a high height accidentally, the steel ball can directly collide with the inner wall of the bowl opening on the full needle tube main body, so that the bowl opening can deform, the problem that the full needle tube pen point is blocked by ink or the ink is excessively fast to affect the service performance of the full needle tube pen point exists, and the improvement space exists.
Disclosure of utility model
The application aims to provide a full needle tube pen point, which solves the problems that in the related art, when a gel pen applying the full needle tube pen point accidentally falls from a table top or a height, a steel ball can directly collide with the inner wall of a bowl opening on a full needle tube main body, so that the bowl opening is deformed, the full needle tube pen point is blocked by ink or the ink is excessively fast to affect the usability of the full needle tube pen point.
The application provides a full needle tube pen point which adopts the following technical scheme:
The full needle tube pen point comprises a pen point main body and steel balls, wherein one end of the pen point main body is provided with a bowl opening for the steel balls to be placed in and rotate, the other end of the pen point main body is provided with a first ink guide cavity, and the inside of the pen point main body is provided with a second ink guide cavity connected with the bowl opening and the first ink guide cavity; a gap exists between the inner wall of the bowl opening and the steel ball, an elastic ring is arranged on the edge, close to the second ink guide cavity, of the bowl opening, and the side surface, far away from the second ink guide cavity, of the elastic ring is abutted with the steel ball.
Through adopting above-mentioned technical scheme, when the gel ink pen of using this full needle tubing nib drops to ground, because the separation setting of elastic ring, this elastic ring plays the cushioning effect, reduces the impact force of steel ball to bowl mouth inner wall to this reduces the possibility that produces deformation between steel ball and the bowl mouth inner wall, improves the performance and the life of this full needle tubing nib.
Optionally, a positioning ring is arranged on the elastic ring, and an annular positioning groove for embedding and fixing the positioning ring is formed in the inner wall of the bowl opening.
Through adopting above-mentioned technical scheme, because the cooperation setting of holding ring and corresponding annular constant head tank, when the elastic ring installation is fixed, insert the holding ring on the elastic ring inside annular constant head tank to this further improves the installation stability of elastic ring inside the bowl mouth.
Optionally, an elastic component penetrating the second ink guiding cavity and propping against the steel ball is arranged in the pen point main body.
By adopting the technical scheme, the elastic piece is abutted against the steel ball piece due to the further limit of the elastic piece on the steel ball, so that the buffer performance between the steel ball and the inner wall of the bowl mouth is improved, and the possibility of deformation between the ball and the inner wall of the bowl mouth when falling from a high place is further reduced.
Optionally, the elastic component is the pressure spring that is located first ink guide chamber inside, the both ends of pressure spring are connected with contact pin and fixed part respectively, the contact pin supports tightly with the steel ball after penetrating the second ink guide chamber, the outer peripheral face of fixed part is fixed with the inner wall in first ink guide chamber.
By adopting the technical scheme, as the elastic piece is the arrangement of the pressure spring, and the contact pin at one end of the pressure spring penetrates through the second ink guide cavity and then is abutted against the steel ball, the elastic abutment of the steel ball is realized, and the buffer performance between the steel ball and the inner wall of the bowl mouth is improved.
Optionally, the compression spring, the contact pin and the fixing part are integrally formed.
By adopting the technical scheme, because the compression spring, the contact pin and the fixing part are integrally processed and formed, the contact pin, the compression spring and the fixing part are convenient to assemble and fix.
Optionally, a limiting convex ring for blocking the fixing part from falling off is arranged on the inner wall of the first ink guide cavity.
Through adopting above-mentioned technical scheme, be equipped with the spacing bulge loop that is used for separating fixed part to deviate from on the inner wall of first ink guide chamber to this realizes spacing fixed to the fixed part, reduces the fixed part and deviate from the possibility of nib main part from first ink guide chamber opening part.
Optionally, the cross section shape of the limiting convex ring is in an inverted hook shape.
By adopting the technical scheme, the cross section of the limiting convex ring is in an inverted hook shape, so that the fixing part is conveniently inserted into the first ink guide cavity and is abutted tightly through the limiting convex ring.
Optionally, the inner edge of the limiting convex ring is a round angle.
By adopting the technical scheme, as the inner edge of the limiting convex ring is a round angle, the possibility that the outer peripheral surface of the fixing part is scratched by the inner edge of the limiting convex ring when the fixing part is fixedly arranged in the first ink guide cavity is reduced.
In summary, the present application includes at least one of the following beneficial technical effects:
1. due to the blocking arrangement of the elastic ring, when the gel pen applying the full needle tube pen point falls to the ground, the elastic ring plays a role in buffering, so that the impact force of the steel ball on the inner wall of the bowl mouth is reduced, the possibility of deformation between the steel ball and the inner wall of the bowl mouth is reduced, and the service performance and the service life of the full needle tube pen point are improved.
2. Because the elastic piece and the elastic piece are the arrangement of the pressure spring, and the contact pin at one end of the pressure spring is abutted against the steel ball after penetrating through the second ink guide cavity, the elastic abutment against the steel ball is realized, the buffer performance between the steel ball and the inner wall of the bowl mouth is improved, and the possibility of deformation between the ball and the inner wall of the bowl mouth when falling from a high place is further reduced.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present application, the drawings required for the description of the embodiments will be briefly described below, and it is apparent that the drawings in the following description are only some embodiments of the present application, and other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.
FIG. 1 is a schematic overall structure of an embodiment of the present application;
FIG. 2 is a schematic cross-sectional view showing the assembly of the steel ball and the pen head main body according to the embodiment of the present application;
FIG. 3 is a schematic view of a partial cross-sectional structure embodying an assembled fit of an elastomeric ring in accordance with an embodiment of the present application;
FIG. 4 is an enlarged schematic view of portion A of FIG. 3;
FIG. 5 is a schematic cross-sectional view showing the assembly of the elastic member and the nib body according to the embodiment of the present application.
In the figure, 1, a pen point main body; 11. a bowl opening; 111. an annular positioning groove; 12. a first ink guide chamber; 121. a limit convex ring; 13. a second ink guide chamber; 2. steel balls; 3. an elastic ring; 31. a positioning ring; 4. an elastic member; 41. a pressure spring; 42. a contact pin; 43. a fixing part.
Detailed Description
The present application will be described in further detail below with reference to the accompanying drawings.
Example 1:
Referring to fig. 1 and 2, a full needle tube pen point comprises a pen point main body 1 and steel balls 2, wherein one end of the pen point main body 1 is provided with a bowl opening 11 for the steel balls 2 to be placed in and rotate, the other end of the pen point main body 1 is provided with a first ink guide cavity 12, and a second ink guide cavity 13 for connecting the bowl opening 11 and the first ink guide cavity 12 is arranged in the pen point main body 1; when the ink jet printer is applied, the ink sequentially passes through the first ink guide cavity 12 and the second ink guide cavity 13 and then enters the bowl opening 11, so that the ink dips the steel balls 2, and the ink is presented on the paper surface along with the rolling of the steel balls 2 on the paper surface.
Referring to fig. 3 and 4, after the steel ball 2 is mounted on the bowl opening 11, a gap exists between the steel ball 2 and the inner wall of the bowl opening 11, an elastic ring 3 is fixed on the edge of the bowl opening 11, which is close to the second ink guide cavity 13, by glue, the elastic ring 3 is made of polyurethane, and the side surface, which is far away from the second ink guide cavity 13, of the elastic ring 3 is abutted against the steel ball 2; the elastic ring 3 is provided with a positioning ring 31, the material of the positioning ring 31 is the same as that of the elastic ring 3, the positioning ring and the elastic ring are integrally injection molded, and meanwhile, the inner wall of the bowl opening 11 is provided with an annular positioning groove 111 for embedding and fixing the positioning ring 31; when the elastic ring 3 is installed and fixed, the positioning ring 31 on the elastic ring 3 is inserted into the annular positioning groove 111 and is further fixed by using glue, so that the installation stability of the elastic ring 3 is improved. Therefore, when the gel pen applying the full needle tube pen point falls to the ground, the elastic ring 3 plays a role in buffering due to the blocking arrangement, so that the possibility of deformation between the steel ball 2 and the inner wall of the bowl opening 11 is reduced, and the service performance and the service life of the full needle tube pen point are improved.
Referring to fig. 5, an elastic member 4 penetrating through the second ink guiding cavity 13 and abutting against the steel ball 2 is provided in the pen point main body 1, the elastic member 4 is a pressure spring 41 located in the first ink guiding cavity 12, two ends of the pressure spring 41 are respectively connected with a contact pin 42 and a fixing portion 43, the pressure spring 41, the contact pin 42 and the fixing portion 43 are integrally formed, the outer diameter size of the fixing portion 43 is larger than that of the pressure spring 41, and the outer peripheral surface of the fixing portion 43 is fixed with the inner wall of the first ink guiding cavity 12; after the compression spring 41 is installed, the contact pin 42 penetrates through the second ink guide cavity 13 and then abuts against the steel ball 2, the outer peripheral surface of the fixing part 43 is fixed with the inner wall of the first ink guide cavity 12, and the compression spring 41 is in a compressed state, so that the contact pin 42 continuously abuts against the steel ball 2, and the possibility of deformation between the bead and the inner wall of the bowl opening 11 when the bead falls from a high place is further reduced.
Referring to fig. 5, a limiting collar 121 for blocking the fixing portion 43 from falling off is fixedly provided on an inner wall of the first ink guiding chamber 12, wherein the cross-sectional shape of the limiting collar 121 is in a barb shape, so that the limiting fixing of the fixing portion 43 is realized; meanwhile, the inner edge of the limiting convex ring 121 is a round angle, so that the possibility that the outer peripheral surface of the fixing part 43 is scratched by the inner edge of the limiting convex ring 121 when the fixing part 43 is fixedly arranged in the first ink guide cavity 12 is reduced.
The implementation principle of the embodiment of the application is as follows:
When the gel pen applying the full needle tube pen point falls to the ground, the elastic ring 3 plays a role of buffering, so that the possibility of deformation between the steel ball 2 and the inner wall of the bowl opening 11 is reduced, and the service performance and the service life of the full needle tube pen point are improved; meanwhile, due to the arrangement of the pressure spring 41, the pressure spring 41 is in a compressed state after the installation is finished, so that the contact pin 42 continuously abuts against the steel ball 2, and the possibility of deformation generated between the ball and the inner wall of the bowl mouth 11 when the ball falls from a high place is further reduced.
Unless defined otherwise, terms or scientific terms used herein should be given the ordinary meaning as understood by one of ordinary skill in the art to which this application belongs. The terms "first," "second," "third," and the like, as used in this specification, do not denote any order, quantity, or importance, but rather are used to distinguish one element from another. The terms "a" or "an" and the like do not denote a limitation of quantity, but rather denote the presence of at least one. The word "comprising" or "comprises", and the like, is intended to mean that elements or items that are present in front of "comprising" or "comprising" are included in the word "comprising" or "comprising", and equivalents thereof, without excluding other elements or items. "upper", "lower", "left", "right", etc. are used merely to denote relative positional relationships, which may also change accordingly when the absolute position of the object to be described changes.
The embodiments of the present application are all preferred embodiments of the present application, and are not intended to limit the scope of the present application, wherein like reference numerals are used to refer to like elements throughout. Therefore: all equivalent changes in structure, shape and principle of the application should be covered in the scope of protection of the application.
Claims (8)
1. The full needle tube pen point comprises a pen point main body (1) and steel balls (2), wherein a bowl opening (11) for placing and rotating the steel balls (2) is formed in one end of the pen point main body (1), a first ink guide cavity (12) is formed in the other end of the pen point main body (1), and a second ink guide cavity (13) for connecting the bowl opening (11) with the first ink guide cavity (12) is formed in the pen point main body (1);
The pen is characterized in that a gap exists between the inner wall of the bowl opening (11) and the steel ball (2), an elastic ring (3) is arranged on the edge, close to the second ink guide cavity (13), of the bowl opening (11), and the side surface, far away from the second ink guide cavity (13), of the elastic ring (3) is abutted against the steel ball (2).
2. The full needle tube pen point according to claim 1, characterized in that the elastic ring (3) is provided with a positioning ring (31), and the inner wall of the bowl opening (11) is provided with an annular positioning groove (111) for embedding and fixing the positioning ring (31).
3. A full needle cannula nib according to claim 1, characterized in that the inside of the nib body (1) is provided with an elastic element (4) penetrating the second ink guiding chamber (13) and abutting against the steel ball (2).
4. A full needle tube pen point according to claim 3, characterized in that the elastic piece (4) is a pressure spring (41) located inside the first ink guiding cavity (12), two ends of the pressure spring (41) are respectively connected with a contact pin (42) and a fixing portion (43), the contact pin (42) penetrates through the second ink guiding cavity (13) and then abuts against the steel ball (2), and the outer peripheral surface of the fixing portion (43) is fixed with the inner wall of the first ink guiding cavity (12).
5. A full needle cannula nib according to claim 4, characterized in that said compression spring (41), pin (42) and fixing portion (43) are integrally formed.
6. The full needle tube pen point according to claim 4, wherein a limiting convex ring (121) for blocking the fixing part (43) from falling off is arranged on the inner wall of the first ink guide cavity (12).
7. A full needle cannula nib according to claim 6, characterized in that the limiting collar (121) has a cross-sectional shape of a barb.
8. A full needle cannula nib according to claim 7, characterized in that the inner edge of the limit collar (121) is rounded.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322363456.1U CN220947294U (en) | 2023-08-31 | 2023-08-31 | Full needle tube pen point |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322363456.1U CN220947294U (en) | 2023-08-31 | 2023-08-31 | Full needle tube pen point |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220947294U true CN220947294U (en) | 2024-05-14 |
Family
ID=91024810
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322363456.1U Active CN220947294U (en) | 2023-08-31 | 2023-08-31 | Full needle tube pen point |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220947294U (en) |
-
2023
- 2023-08-31 CN CN202322363456.1U patent/CN220947294U/en active Active
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| GR01 | Patent grant | ||
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