CN2480163Y - Pen implement with refill seat with controllable ink inlet hole - Google Patents

Abstract

A pen with a core holder with ink inlet holes. The writing appliance includes one pen tube, one pressure reducing bolt, one valve, one pen core seat and one ink refill, the pressure reducing bolt has ink inlet passage and ink storing chamber, the valve has one central through hole, and the pen core seat has one top holding surface to the lower part of the valve central through hole and one controllable ink inlet hole.

Description

Pen implement with refill seat with controllable ink inlet hole

The utility model belongs to writing utensils, in particular to a writing utensil with a pen core seat with a controllable ink inlet hole.

There are two types of ink feeding modes for conventional pen tools. One is a pen with a straight liquid ink supply; the other is a more traditional cotton tube ink supply. Fountain pens and the like belong to the direct-liquid pen tool, which uses the ink outlet adjustment structure in the fountain pen to control the overflow of ink. The ink outlet adjustment structure of this straight liquid type pen is a single valve type, which is an ink outlet adjustment structure that can be slightly pressed when writing with a pen core. However, because the ink outlet structure is designed with a single valve, it is difficult to control the amount of ink entering and it is easy to cause ink overflow. Moreover, the general cotton-tube type pen is provided with a cotton tube in the pen tube, and the cotton tube is saturated to absorb the ink, and through the convection phenomenon of atmospheric pressure, the ink is infiltrated into the front end of the pen core, so that writing can be conveniently performed, but the cotton tube The storage capacity of absorbing ink is limited, so that the service life of the pen tool is short, which is not economical.

The purpose of the utility model is to provide a writing instrument with a simple structure, convenient assembly, long service life, effective control of the amount of ink in the refill, and prevention of ink spillage.

The utility model comprises a pen tube for filling and storing ink, a decompression plug arranged in sequence on the inner wall of the front end of the pen tube, a valve made of a flexible material, a refill seat provided with a refill hole and The refill is assembled in the refill hole of the refill seat; the steel ball is set in the pen tube; the pressure reducing valve is provided with the ink inlet channel and the ink storage chamber controlled by the steel ball; the valve is provided with a central through hole; the top of the refill seat is provided with a top The top holding surface below the central through hole of the valve and the controllable ink inlet hole that is located on the top of the top holding surface and the peripheral wall communicates with the pen core hole.

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The front end of the pen tube is covered with a pen cap.

The rear end of the pen tube is closed; it can also be closed with a plug cap at the rear end.

The top of the refill is extended with a relay stem that is tightly combined with the inner surface of the top of the refill seat.

The decompression plug is a ring with a spacer in the middle and an H-shaped axial section.

The top of the ink inlet channel of the decompression plug forms a bowl-shaped groove corresponding to the steel ball.

The valve is made of flexible material such as silicone or rubber.

The top of the refill seat is in the shape of a step formed by the holding end and the holding surface, and the controllable ink inlet hole is arranged on the surrounding wall above the holding surface.

The intervals between the refill seat and the inner wall of the refill hole where the refill is socketed are all arranged to press against the plurality of axial ribs that fix the refill.

The inner wall of the front end of the pen tube is protrudingly provided with a plurality of protrusions; the outer periphery of the refill seat is provided with a ring rib corresponding to the protrusions on the inner wall of the front end of the pen tube and positioned against it.

The diameter of the ring rib is slightly smaller than the diameter of the inner wall of the pen tube, so that after assembly, a fine gap is formed between the ring rib and the inner wall of the pen tube to allow outside air to enter the pen tube to maintain the balance of atmospheric pressure and ensure the smooth flow of ink.

The distance between the controllable ink inlet hole of the refill seat and the top of the holding end is slightly smaller than the distance between the top surface of the central through hole of the valve and the top of the ink inlet channel of the decompression plug, so that the holding surface on the top of the refill seat is pressed against the valve. When it deforms to open the controllable ink inlet hole on the top of the refill holder, the steel ball on the top of the refill holder opens the ink inlet channel of the decompression plug, so that the ink filled and stored in the pen tube can be decompressed synchronously. The ink storage chamber of the pressing bolt flows into the pen core hole of the pen core seat.

Because the utility model includes the pen tube for filling and storing the ink liquid tube body and the decompression plug that is arranged on the inner wall of the front end of the pen tube in sequence, the valve made of flexible material, and the pen core seat that is provided with the pen core hole And the refill set in the refill hole of the refill seat; the steel ball is arranged in the pen tube; the pressure reducing valve is provided with the ink inlet channel and the ink storage chamber controlled by the steel ball; the valve is provided with a central through hole; the top of the refill seat is provided with The supporting surface below the central through hole of the valve is supported, and the controllable ink inlet hole is located on the surrounding wall above the supporting surface and communicates with the pen core hole. When in use, fill the pen tube with ink and shake the pen tube, so that the steel ball placed in it controls the opening and closing of the ink inlet channel of the decompression plug, so that the ink in the pen tube first enters the ink storage chamber of the decompression plug; When writing, the holding surface of the refill seat is against the bottom of the central through hole of the valve, and the upper ink inlet hole is blocked and closed by the valve, so that the ink storage chamber of the decompression plug is completely isolated from the refill hole of the refill seat; when writing, the pen barrel In an upright shape, the steel ball blocks the ink inlet channel connecting the pen barrel and the decompression plug ink storage chamber; the pen core shrinks inwardly under pressure, and pushes up the pen core seat through the pen core, and the pen core seat pushes against it with its supporting surface The valve deforms the valve and opens the ink inlet hole on the top of the refill seat, so that the ink in the ink storage chamber of the decompression plug enters the refill hole of the refill holder through the controllable ink inlet hole, and the refill absorbs ink for writing. The utility model is simple, convenient to assemble, and has a long service life, and can effectively control the amount of ink entering the pen core and prevent ink overflow, thereby achieving the purpose of the utility model.

Fig. 1 is a perspective view showing the structure of the utility model.

Fig. 2 is a schematic perspective view of the exploded structure of the utility model.

Fig. 3 is a schematic sectional view of the local structure of the utility model (when not writing).

Fig. 4 is a schematic cross-sectional view (when writing) of the utility model's partial structure.

Fig. 5 is a schematic sectional view of the structure of the utility model.

Fig. 6 is a schematic cross-sectional view of the partial structure of the utility model (when shrinking the ink storage chamber and not writing).

Fig. 7 is a schematic cross-sectional view of the partial structure of the utility model (when shrinking the ink storage chamber and writing).

Below in conjunction with accompanying drawing, the utility model is set forth in further detail.

As shown in Fig. 1, Fig. 2, Fig. 3 and Fig. 5, the utility model includes a pen tube 1, a decompression plug 2, a valve 3, a pen core seat 4, a pen core 5 and a pen cap 6 sleeved at the front end of the pen tube 1 .

The pen tube 1 is a tube body for filling and storing ink. The inside of the pen tube 1 is provided with a steel ball 11 that can freely roll along with its shaking. Its rear end is closed shape; It can also be closed with a bolt cover 7 at the rear end.

The decompression plug 2 is an annular body with an H-shaped axial section with a spacer 21 in the middle, an ink inlet channel 211 is arranged on the spacer 21, and a bowl-shaped groove 212 corresponding to the steel ball 11 is formed on the top of the ink inlet channel 211 So that the steel ball 11 can easily roll into the bowl-shaped groove 212 to block the ink inlet channel 211, and the opening and closing of the ink inlet channel 211 of the decompression plug 2 can be controlled by the steel ball 11. An ink storage chamber 22 is formed under the partition 21 .

The valve 3 is made of flexible material, such as silicone or rubber, and has a central through hole 31 thereon.

The refill holder 4 is provided with a refill hole 43 opening toward the bottom, and a plurality of axial ribs 431 are arranged at intervals on the inner wall of the refill hole 43; The limiting ring rib 44; the diameter of the ring rib 44 is slightly smaller than the diameter of the inner wall of the pen tube 1. The top of the refill seat 4 is in a step-like shape consisting of a holding end 41 and a holding surface 40 , and a controllable ink inlet hole 42 connected with the refill hole 43 is provided on the surrounding wall above the holding surface 40 .

The pen core 5 is an ink-absorbing body, and its top end is extended with a relay stem 51 tightly coupled to the inner surface of the holding end 41 at the top of the pen core seat 4 .

The inner wall of the front end of the pen tube 1 is sequentially implanted to form a decompression plug 2, a valve 3, a refill seat 4 and a refill 5; the valve 3 is fixed at the lower end of the decompression plug 2; , its holding surface 40 resists below the central through hole 31 of the valve 3, and the controllable ink inlet hole 42 is blocked and closed by the valve 3; a fine gap is formed between its outer peripheral ring rib 44 and the inner wall of the pen tube 1; the pen core 5 Penetrated in the refill hole 43 of the refill holder 4, wherein the relay core post 51 is tightly combined with the holding end 41 of the refill holder 4, and through the plurality of axial ribs 431 on the inner wall of the refill hole 43 of the refill holder 4 Push against and fix the pen core 5.

When in use, fill the pen tube 1 with ink and shake the pen tube 1, so that the steel ball 11 placed in it controls the opening and closing of the decompression plug 2 ink inlet channel 211, so that the ink in the pen tube 1 first enters the decompression In the ink storage chamber 22 of the plug 2.

As shown in Figure 3, when not writing, the holding surface 40 of the refill seat 4 is against the bottom of the central through hole 31 of the valve 3, and the upper ink inlet hole 42 is blocked and closed by the valve 3, so that the decompression plug 2 ink storage chamber 22 Completely isolated from the pen core hole 43 of the pen core seat 4, the ink liquid in it will not flow into the pen core seat 4.

As shown in Figure 4, when writing, the pen tube 1 is upright, and the steel ball 11 automatically falls into the bowl-shaped groove 212 of the decompression plug 2, and blocks the connection between the pen tube 1 and the decompression plug 2 ink storage chamber 22. The ink channel 211 decompresses the ink in the refill holder 4; when writing, the refill 5 is compressed and shrinks, and the refill holder 4 is pushed upward through the refill 5, and the refill holder 4 is topped by its holding surface 40 Arrest the valve 3 to deform the valve 3 and open the ink inlet hole 42 on the top of the refill holder 4, so that the ink in the ink storage chamber 22 of the decompression plug 2 enters the refill hole of the refill holder 4 through the controllable ink inlet hole 42 43, the pen core 5 absorbs ink for writing, which not only prevents ink from overflowing, but also allows the outside air to enter the pen tube 1 through the micro gap through the tiny gap between the inner wall of the pen tube 1 and the outer wall of the pen core seat 4, so as to Maintain atmospheric pressure balance to ensure smooth flow of ink. When the ink liquid in the decompression plug 2 ink storage chamber 22 was used up, then the pen tube 1 could be shaken gently to make the steel ball 11 break away from the bowl-shaped groove 212, and fill and store the ink liquid in the pen tube 1 to be full again. The ink storage chamber 22 of the press plug 2 can continue to supply ink to the pen core 5 for writing.

As mentioned above, the utility model can quantitatively supply ink through the ink storage chamber 22 of the decompression plug 2 and the controllable ink inlet hole 42 of the refill holder 4. Its structure is simple and easy to assemble. 3. The refill seat 4 and the refill 5 are all assembled on the inner wall of the front end of the pen tube 1, and the space for filling and storing ink at the rear end of the pen tube 1 is obviously increased, so more ink can be accommodated.

As shown in Fig. 6 and Fig. 7, the ink storage chamber 22 of the decompression plug 2 can also be further reduced, such as shortening the total length of the decompression plug 2, so that the pen core seat 4 can control the distance between the ink inlet hole 42 and the top of the holding end 41. The distance between is corresponding to the distance between the top surface of the central through hole 31 of the valve 3 and the bottom of the 2 bowl-shaped grooves 212 of the decompression plug. The distance is slightly smaller than the distance between the top surface of the central through hole 31 of the valve 3 and the bottom of the bowl-shaped groove 212 of the decompression plug 2, so that the holding surface 40 on the top of the refill holder 4 pushes against the valve 3 to deform it and open the refill. While the ink inlet hole 42 can be controlled at the top of the seat 4, the holding end 41 at the top of the refill seat 4 holds the steel ball 11 to open the ink inlet channel 211, so that the ink filled and stored in the pen tube 1 passes through simultaneously. The ink storage chamber 22 of the decompression plug 2 flows into the pen core hole 43 of the pen core seat 4, and continuously supplies ink to the pen core 5 continuously.

Claims (12)

1. A pen tool with a refill seat with a controllable ink inlet hole, which includes a pen tube for filling and storing ink, and a decompression plug sequentially arranged on the inner wall of the front end of the pen tube. The refill holder of the refill hole and the refill assembled in the refill hole of the refill holder; it is characterized in that a valve made of flexible material is also arranged between the decompression plug and the refill holder; There are steel balls in the pen tube; the decompression plug is provided with an ink inlet channel and an ink storage chamber controlled by steel balls; the valve is provided with a central through hole; The controllable ink inlet hole that the peripheral wall on the surface and the pen core hole runs through. 2. The pen tool with a refill seat with a controllable ink inlet hole according to claim 1, characterized in that the front end of the pen tube is covered with a pen cap. 3. The pen tool with a refill seat with a controllable ink inlet hole according to claim 1, characterized in that the rear end of the pen tube is closed; the rear end can also be closed with a plug cap. 4. The writing tool with a refill seat with a controllable ink inlet hole according to claim 1, characterized in that the top of the refill is extended with a relay stem tightly coupled to the inner surface of the top of the refill seat. 5. The writing tool with a refill seat with a controllable ink inlet hole according to claim 1, characterized in that the decompression plug is an H-shaped ring with a spacer in the middle. 6. The pen tool with a refill seat with a controllable ink inlet hole according to claim 1, characterized in that the top of the decompression plug ink inlet channel forms a bowl-shaped groove corresponding to the steel ball. 7. The pen tool with a refill seat with a controllable ink inlet hole according to claim 1, wherein the valve is made of flexible material such as silicone or rubber. 8. The pen tool with a refill holder with a controllable ink inlet hole according to claim 1, characterized in that the top of the refill holder is in a hierarchical shape consisting of a holding end and a holding surface, which can be controlled The ink inlet hole is arranged on the peripheral wall above the supporting surface. 9. According to claim 1, the pen tool with a refill holder with a controllable ink inlet hole is characterized in that the distance between the refill holder and the inner wall of the refill hole where the refill is socketed is set to be tight and fixed A plurality of axial ribs of the refill. 10. According to claim 1, the pen tool with a refill seat with a controllable ink inlet hole is characterized in that the inner wall of the front end of the pen tube is protruded with a plurality of protrusions; The protrusion corresponds to and abuts against the positioned annular rib. 11. The pen tool with a refill seat with a controllable ink inlet hole according to claim 10, characterized in that the diameter of the ring rib is slightly smaller than the diameter of the inner wall of the pen tube, so that after assembly, the ring rib and the inner wall of the pen tube A tiny gap is formed between them to allow outside air to enter the pen tube to maintain the balance of atmospheric pressure and ensure the smooth flow of ink. 12. The pen tool with a refill seat with a controllable ink inlet hole according to claim 1, characterized in that the distance between the controllable ink inlet hole of the refill holder and the top of the holding end is slightly smaller than the valve The distance between the top surface of the central through hole and the top of the ink inlet channel of the decompression plug is used to push the top surface of the top of the refill holder against the valve to deform it and open the controllable ink inlet hole on the top of the refill holder. The steel ball on the top is used to open the ink inlet channel of the decompression plug, so that the ink filled and stored in the pen tube can flow into the refill hole of the refill seat through the decompression plug ink storage chamber synchronously.

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