CN201020977Y - Touch pressure type ink tube and writing pen - Google Patents

Abstract

The utility model discloses a touch-press type ink tube, which comprises a body, a cover body and a plurality of ink tubes, wherein the body is a hollow tube body for storing ink; the upper port of the fixed seat is formed into a boss, the lower port of the fixed seat is provided with a groove, and the fixed seat is fixed at the inner upper part of the body pipe body; the pressing core is of a rod body structure, a fixing lug is arranged on the rod body, one end of the fixing lug is inserted into the fixing seat, the fixing lug is clamped in the groove of the fixing seat, and a sealing ring is arranged between the pressing core fixing lug and the groove of the fixing seat; the spring is arranged on the plunger rod body, and one end of the spring is arranged below the fixed lug; the lower side wall of the ink guide fixing sleeve is provided with an ink guide hole; the fixing sleeve is sleeved and fixed outside the fixing seat, and the upper end of the fixing sleeve is abutted under the boss of the upper port of the fixing seat; the lower part of the pressing core passes through the fixed sleeve, and the lower end part of the spring sleeved outside the pressing core is propped against the inner wall of the bottom of the fixed sleeve. The utility model can replace the ink tube when the ink in the ink tube is used up, and the nib part can be reused; moreover, the ink in the ink tube can be preserved for a long time, which can reach 5 to 10 years, by the sealing structure.

Description

A touch-press type ink tube and writing pen

technical field

The utility model relates to a writing pen, in particular to a touch-press ink tube and a writing pen.

Background technique

Traditional writing pens, such as highlighters, whiteboard pens, markers, etc., mostly contain ink directly in the pen tube for absorption by the pen core. Its structure and composition usually only have a refill placed on the front end of the pen barrel to directly absorb the ink inside the pen barrel. However, this kind of ink pen design that allows the refill to absorb ink can only be used until the ink is used up. Discarding it is not only wasteful, but also pollutes the environment.

Contents of the invention

The purpose of this utility model is to design and provide a kind of touch pressure ink tube and writing pen, the ink in the ink tube is used up, only need to replace the ink tube, the nib part can be reused, and has the characteristics of environmental protection; and, through sealing Structure, the ink in the ink tube can be stored for a long time, up to 5-10 years.

In order to achieve the above object, the technical solution of the present utility model is,

A pressure-touch ink tube, comprising: a main body, which is a hollow tube body for storing ink; a fixing seat, which is a tube body structure, the upper port extends outward to form a boss, and the lower port is opened with a concave Groove, the fixing seat is fixed on the upper part of the main body body; a pressure core, which is a rod body structure, a fixed protrusion is arranged on the shaft body, and a rib is arranged along the axial direction of the shaft body above the fixed protrusion, and one end of the pressure core is inserted into the In the fixed seat described above, the fixed protrusion is clamped in the bottom groove of the fixed seat, and a sealing ring is also provided between the pressure core fixed protrusion and the bottom groove of the fixed seat; a spring is sleeved on a pressure core fixed protrusion On the lower rod body, one end of the spring is clamped under the fixed protrusion; a fixed sleeve, the side wall of the lower part is provided with an ink guide hole for the ink to flow in; the fixed sleeve is fixed outside the fixed seat, and the upper end is against the fixed Under the boss of the port on the seat; the lower part of the pressure core passes through the fixed sleeve, and the lower end of the spring sleeved outside the pressure core leans against the inner wall of the bottom of the fixed sleeve.

Moreover, the lower part of the fixed sleeve is in a tapered structure.

Further, the lower part of the fixed protrusion on the pressing core rod is provided with a spring-fixed groove.

The inner wall of the hollow body of the body is provided with ribs for limiting the position of the fixing seat.

The replaceable core type writing pen with a touch-press type ink tube of the utility model comprises a pen cap, a pen holder, an ink tube and a nib structure arranged therein;

The ink tube includes: a body, which is a hollow tube for storing ink; a fixing seat, which is a tube structure, the upper port extends outward to form a boss, and the lower port has a groove inside , the fixing seat is fixed on the upper part of the main body body; a pressure core, which is a rod body structure, a fixed protrusion is arranged on the shaft body, and a rib is arranged axially on the shaft body above the fixed protrusion, and one end of the pressure core is inserted into the In the fixed seat, the fixed protrusion is clamped in the bottom groove of the fixed seat, and a sealing ring is also provided between the pressure core fixed protrusion and the bottom groove of the fixed seat; a spring is sleeved under a pressure core fixed protrusion On the body of the shaft, one end of the spring is clamped under the fixed protrusion; an ink guide fixed sleeve, the lower side wall of which is opened with an ink guide hole for the ink to flow in; the ink guide fixed sleeve is fixed outside the fixed seat, and the upper end is against Lean under the boss of the upper port of the fixing seat; the lower part of the pressure core passes through the ink guide fixing sleeve, and the lower end of the spring sleeved outside the pressure core leans against the inner wall of the bottom of the ink guide fixing sleeve;

The nib structure includes a nib holder, which has a cavity structure with two ends open, its upper part is a conical structure, and the inner wall is provided with convex ribs; the middle part is a cavity structure, and the inner wall of the upper end of the cavity is provided with a protruding Steps on the inner wall; the inner wall of the lower part has an internal thread for connecting the pen holder; and, the side wall of the middle part is provided with a slot for inserting and fixing the ink tube; the nib is inserted into the nib holder; the ventilation fixing piece is provided with a ventilation hole , the ventilation fixing piece is sleeved on the nib, and leans against the step of the inner wall of the upper end of the nib seat cavity; the spring is sleeved on the nib, and the upper end is against the ventilation fixing piece; the upper part of the fixing sleeve is provided with a ventilation fixing piece and a spring The cavity structure, the lower part is provided with the through hole for the nib to pass through; the nib is correspondingly matched with the pressing core of the ink tube.

Also, the outer wall of the middle part of the nib holder is provided with a protrusion for fixing the pen cap.

In addition, the inner wall of the through hole at the lower part of the fixed sleeve is provided with convex ribs, so as to control the flow of ink and avoid waste.

Beneficial effects of the utility model

The utility model adopts the structural form of separating the ink tube and the nib structure. When the ink in the ink tube is used up, only the ink tube needs to be replaced, and the nib part can be reused, so that the ink tube of the existing writing pen is prevented from being stuck in the ink liquid. When the pen is used up, the pen is discarded to cause environmental pollution; and, by redesigning the sealing structure of the ink tube, the ink in the ink tube can be stored for a long time, which can reach 5 to 10 years, while the ink in the previous ink tube can be stored for a long time. The time can only be maintained for half a year to a year before it becomes dry.

Description of drawings

Fig. 1 is a structural cross-sectional view of a touch-press ink tube of the present invention;

Fig. 2 is an exploded schematic view of the touch-press ink tube of the present invention;

Fig. 3 is a structural sectional view of the replaceable core type writing pen of the present invention.

Detailed ways

Referring to Fig. 1 and Fig. 2, the touch-press type ink tube of the present invention includes a main body 1, a fixing seat 2, a pressing core 3, a sealing ring 4, a spring 5, and a fixing sleeve 6 for guiding ink.

Main body 1, which is a hollow tube for storing ink; fixed seat 2, which is a tube structure, the upper port extends outward to form a boss 21, and the lower port has a groove 22 inside, and the fixed seat 2 is fixed On the upper part of the main body 1 tube body; pressure core 3, which is a rod body structure, a fixed protrusion 32 is set on the shaft 31, and a convex rib 311 is arranged axially along the upper axis of the shaft 31 above the fixed protrusion 32, and one end of the pressure core 3 is inserted. Set in the fixed seat 2, the fixed protrusion 32 is clamped in the bottom groove 22 of the fixed seat 2, and a sealing ring 4 is also provided between the pressure core fixed protrusion 32 and the bottom groove 22 of the fixed seat; the spring 5 , sleeved on the body of a pressure core 3 under the fixed protrusion 32, one end of the spring 5 is clamped under the fixed protrusion 32; the ink guide fixed sleeve 6, its lower side wall 61 is provided with a guide for the ink to flow in Ink hole 611; the ink guiding fixed sleeve 6 is sleeved and fixed outside the fixed seat 2, and the upper end is against the boss 21 of the upper port of the fixed seat 2; the lower part of the pressure core 3 passes through the ink guiding fixed sleeve 6, and is sleeved on the The lower end of the spring 5 outside the pressure core 3 leans against the bottom inner wall of the ink guide fixing sleeve 6 .

Moreover, the lower part of the ink guide fixing sleeve 6 has a tapered structure; the lower part of the fixing protrusion 32 on the shaft 31 of the pressure core 3 is provided with a groove 321 for fixing the spring 5 . The inner wall of the hollow tubular body of the main body 1 is provided with ribs 11 for limiting the position of the fixing seat 2 .

Referring to Fig. 3, it is a replaceable core writing pen equipped with a touch-press ink tube of the utility model, which includes a pen cap 10, a pen holder 20, an ink tube 30 and a nib structure 40 arranged therein;

The ink tube 30 includes a main body 301, which is a hollow tube for storing ink; a fixing seat 302, which is a tube structure, and the upper port extends outward to form a boss 3021, and the lower port opens inwardly. There is a groove 3022, the fixing seat 302 is fixed on the upper part of the body 301; the pressure core 303 is a rod body structure, and a fixed protrusion 3031 is arranged on the shaft, and a rib 3032 is arranged axially on the shaft above the fixed protrusion 3031 One end of the pressure core 303 is inserted into the fixed seat 302, and the fixed protrusion 3031 is clamped in the bottom groove 3022 of the fixed seat 302. There is also a set between the pressure core fixed protrusion 3031 and the bottom groove 3022 Sealing ring 304; spring 305, sleeved on the shaft body under the fixed protrusion 3031 of a pressure core 303, one end of the spring 305 is clamped under the fixed protrusion 3031; ink guide fixed sleeve 306, its lower side wall is provided with an ink supply The ink guide hole 3061 where the liquid flows in; the ink guide fixed sleeve 306 is sleeved and fixed outside the fixed seat 302, and the upper end is against the boss 3021 on the upper port of the fixed seat 302; the lower part of the pressure core 303 passes through the ink guide fixed sleeve 306 , the lower end of the spring 305 sleeved outside the pressing core 303 leans against the inner wall of the bottom of the ink guide fixing sleeve 306;

The nib structure 40 includes a nib seat 401, which has a cavity structure with two ends open, its upper part 4011 is a conical structure, and the inner wall is provided with a convex rib 40111; the middle part 4012 is a cavity structure, and the upper end of the cavity is The inner wall is provided with a step 40121 protruding from the inner wall; the inner wall of the lower part 4013 has an internal thread 40131 for connecting the pen holder; and, the side wall of the middle part is provided with a slot 40122 for inserting and fixing the ink tube 30; the nib 402 is inserted into the nib holder 401 Inside; the ventilation fixing piece 403, which has a ventilation hole 4031, and the ventilation fixing piece 403 is sleeved on the nib 402, and leans against the step 40121 on the inner wall of the upper end of the nib seat 401; the spring 404 is sleeved on the nib 402, the upper end Against the ventilation fixed piece 403; the fixed sleeve 405 has a cavity structure 4051 provided for the ventilation fixed piece 403 and the spring 404 on its top, and the bottom is provided with a through hole 4052 for the nib 402 to penetrate; the nib 402 and the described The pressure core 303 of the ink tube 30 is matched correspondingly.

Moreover, the outer wall of the middle part of the pen tip holder 401 is provided with a protrusion 40123 for fixing the pen cap 10 .

The inner wall of the through hole 4052 at the lower part of the fixing sleeve 405 is provided with a convex rib 40521 .

During use, press the nib 402 to make the pressing core 303 of the ink tube 30 corresponding to the nib 402 move downward, and the groove 3022 that was originally closed by the fixed protrusion 3031 of the pressing core 303 on the fixing seat 302 is opened, and the ink flows from the The gap enters the nib seat 401 in the nib structure 40 along the channel formed by the rib 3032 provided axially on the body of the indenter 303, and the nib 402 inserted in the nib seat 401 is infiltrated by the ink to obtain fluid replacement.

When the ink liquid in the ink tube 30 is used up, only the ink tube 30 needs to be replaced, and the upper end of the new ink tube 30 is inserted into the middle part side wall of the nib holder 401 to be provided with the slot 40122 for inserting and fixing the ink tube 30, In this way, the nib part can be reused, and the ink tube of the existing writing pen is avoided from discarding the pen when the ink liquid is used up to cause environmental pollution.

Claims (7)

1. A touch-press type ink tube is characterized in that: comprising, The body, which is a hollow tube for storing ink; A fixing seat, which is a pipe body structure, the upper port extends outwards to form a boss, and the lower port has a groove inside, and the fixing seat is fixed on the upper part of the main body body; A pressing core, which is a rod body structure, with a fixed protrusion on the shaft, and a convex rib along the axial direction of the shaft above the fixed protrusion. One end of the pressing core is inserted into the fixed seat, and the fixed protrusion is clamped In the bottom groove of the fixing seat, a sealing ring is also provided between the pressing core fixing protrusion and the bottom groove of the fixing seat; A spring is sheathed on the shaft under the fixed protrusion of a pressure core, and one end of the spring is clamped under the fixed protrusion; An ink-guiding fixed sleeve, the side wall of the lower part is provided with an ink-guiding hole for the inflow of ink; the fixed sleeve is sleeved and fixed outside the fixed seat, and the upper end is against the boss of the upper port of the fixed seat; the lower part of the pressure core passes through the The fixed sleeve, the lower end of the spring sheathed outside the pressure core leans against the inner wall of the bottom of the fixed sleeve. 2. The touch-press ink tube according to claim 1, characterized in that: the inner wall of the hollow body of the main body is provided with ribs for limiting the position of the fixing seat. 3. The touch-pressure ink tube according to claim 1, characterized in that: the lower part of the ink guide fixing sleeve is in a tapered structure. 4. The touch-press ink tube according to claim 1, characterized in that: the lower part of the fixing protrusion on the pressing core rod is provided with a groove for fixing the spring. 5. Refillable writing pens, including pen caps, pen holders, ink tubes and nib structures inside; Its characteristics are: The ink tube, which includes, The body, which is a hollow tube for storing ink; A fixing seat, which is a pipe body structure, the upper port extends outwards to form a boss, and the lower port has a groove inside, and the fixing seat is fixed on the upper part of the main body body; A pressing core, which is a rod body structure, with fixed protrusions on the shaft body, ribs arranged axially on the shaft body above the fixed protrusions, one end of the pressing core is inserted in the fixed seat, and the fixed protrusions are clamped on the In the bottom groove of the fixing seat, a sealing ring is also provided between the pressing core fixing protrusion and the bottom groove of the fixing seat; A spring is sheathed on the shaft under the fixed protrusion of a pressure core, and one end of the spring is clamped under the fixed protrusion; An ink guide fixed sleeve, the lower side wall of which is provided with an ink guide hole for the inflow of ink liquid; the fixed sleeve is sleeved and fixed outside the fixed seat, and the upper end is against the boss of the upper port of the fixed seat; The lower part of the pressing core passes through the ink-guiding fixing sleeve, and the lower end of the spring sleeved outside the pressing core leans against the bottom inner wall of the ink-guiding fixing sleeve; The nib structure includes, The nib holder has a cavity structure with openings at both ends, the upper part is a conical structure, and the inner wall is provided with convex ribs; the middle part is a cavity structure, and the upper inner wall of the cavity is provided with a protruding inner wall; The inner thread of the penholder connection; and, the side wall of the middle part is provided with a slot for inserting and fixing the ink tube; The nib is inserted into the nib seat; The ventilation fixing piece has a ventilation hole on it, and the ventilation fixing piece is sleeved on the nib, and leans against the step of the inner wall of the upper end of the nib seat cavity; The spring is sleeved on the nib, and the upper end is against the ventilation fixing piece; The fixed sleeve has a cavity structure for the ventilation fixing piece and a spring on the upper part, and a through hole for the nib to pass through at the lower part; The nib is correspondingly matched with the pressure core of the ink tube. 6. The replaceable core writing pen according to claim 5, characterized in that: the middle outer wall of the nib holder in the nib structure is provided with a protrusion for fixing the pen cap. 7. The replaceable core type writing pen according to claim 5, characterized in that: the inner wall of the through hole at the lower part of the fixing sleeve in the pen tip structure is provided with a convex rib.

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