KR930005087B1 - Writing instrument - Google Patents

Abstract

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Description

Knock writing instruments

1 is a longitudinal sectional view showing a first embodiment of the present invention knock-type writing instruments in a state where the pen tip is accommodated.

2 is a cross-sectional view for explaining the rear portion of the outer cylinder in the first embodiment.

Fig. 3 is a longitudinal sectional view showing the main part structure in a state where the pen tip of the second embodiment is accommodated.

FIG. 4 is a longitudinal sectional view showing the main part structure in the state where the pen tip of the third embodiment is accommodated.

* Explanation of symbols for main parts of the drawings

1: outer cylinder 2: (for sign pen)

2a: pen tip 3: spring

4 clip portion 5 knock portion

6 Clip Base 7 Holes for Protruding

8: hole for storage 8a: hole for second storage

9: protrusion 10: support point

11 plane 12 surface

13: tapered surface

The present invention relates to a writing instrument such as a ball pen, a signature pen, a marker pen, and more particularly, a pen-type pen which protrudes by knock operation of the knock portion while being knocked down by pressing the rear end of the clip or lifting the front end. It is about.

Conventional knock-type writing instruments include those described in Japanese Utility Model Publication No. S61-107590 and Japanese Patent Application Laid-Open No. Hei 1-66577, and all of these conventional knock-type writing instruments are structural members such as a knock portion and a clip portion. Since its elasticity is used, the service life becomes relatively short due to fatigue of members when used for a long time.

Accordingly, the present invention has been invented to solve the above problems, and as shown in FIGS. 1 and 3 and 4, the writing member 2 disposed to slide in the outer cylinder 1, and The clip portion 4 and the knock portion are provided with a spring 3 for pushing the writing member 2 back, a knock portion 5 and a clip portion 4 provided inside and outside the outer cylinder 1, respectively. (5) is connected to the clip portion (6) through the protruding hole (7) formed in the outer cylinder (1), the writing member (2) by lever movement by the support point (10) formed in the knock portion (5) This feature is characterized in that the engaging projections formed on the knock portion or the like are caught and peeled off from the protruding and storing holes 7 and 8 so that the pen tip 2a of the) is protruded and stored.

In the present invention knock-type writing instrument configured as described above, when knocking the knock portion 5, the knock portion 5 moves forward with the clip portion 4 against the spring force of the spring 3, and the pen tip 2a. In addition to protruding from the front end of the outer cylinder (1), the clip portion (4) and the knock portion (5) is rotated about the support point (10) at the position of the projecting hole (7) so that the locking projection (9) By being caught in the protruding hole 7, the pen tip 2a is kept in the protruding state, so that writing can be performed.

On the other hand, when the pen tip 2a is pulled out from the front end of the outer cylinder 1, the front end of the clip part 4 is lifted or the back end is pushed down so that the knock part 5 and the clip part 4 support the support point 10. By rotating in a direction opposite to the above, the locking projection 9 is released from the protruding hole 7 so that the writing member 2 together with the clip portion 4 and the knock portion 5 spring 3 The pen tip 2a is housed by the resilience force of the < Desc / Clms Page number 5 >), and the locking projection 9 is caught in the storage hole 8 or the clip portion 6 is caught in the storage hole 8a. ) Can be maintained.

Embodiments of the present invention will be described below with reference to the accompanying drawings.

1 is a longitudinal cross-sectional view showing the configuration of a first embodiment of the present invention knock-type writing implement, this first embodiment is a writing pen 2 and the writing member for the sign pen which is arranged to slide in the outer cylinder (1) The clip portion 4 and the cylindrical knock portion 5 are provided to the outer cylinder 1 while having a spring 3, a clip portion 4, and a cylindrical knock portion 5 for pushing the back toward the rear portion. It is a structure connected to the clip part 6 through the protruding hole 7 to maintain the protruding state of the formed pen tip 2a.

In addition, the knocking portion 5 is provided with a locking projection 9 so as to be engaged with any one of the receiving holes 7 formed through the rear side in addition to the protruding holes 7 formed in the outer cylinder 1, The locking projection 9 is located around the support point 10 formed at the front lower portion of the knock portion 5 while the clip portion 4 is located between the front portion 4A and the rear portion 4B. It is comprised so that it may be caught by one of the protruding hole 7 and the receiving hole 8, or will be disengaged by the lever movement of the crumb 5. Here, the portion where the support point 10 touches the rear end plane 11 of the writing member 2 is configured to form a curved surface 12.

In addition, the gap H between the knock portion 5 formed on the back of the support point 10 and the outer cylinder 1 has a fan shape, and the rear end portion of the outer end portion 1 of the outer cylinder 1 is clipped. 4) shorter than the rear end portion, the knock portion 5 is moved around the support point 10, and the locking projection 9 formed in the knock portion 15 is a projection hole 7 or storage. In order to be more securely caught or disengaged in the dragon hole (8).

On the other hand, in the first embodiment, the protruding hole 7 allows the locking projection 9 to be engaged, and also serves as a forward and backward movement guide of the clip portion 6.

2 is a plan view for explaining the rear portion of the outer cylinder 1 in the first embodiment, wherein reference numeral 14 is a wooden cut-off portion formed between the protruding hole 7 and the receiving hole 8, The notch groove part divided so that it may reach from the rear end to the storage hole 8, and 15 is the narrow part formed between this notch groove part 16 and the storage hole 8.

In the first embodiment configured as described above, when the knock portion 5 is knocked down, the engaging projection 9 (shown in dashed lines in FIG. 2) clipped to the receiving hole 8 of the outer cylinder 1 is clipped. With the part 4 and the knock part 5, they rotate clockwise about the support point 10, deviate from the receiving hole 8, and then move forward against the spring force of the spring 3. The writing member 20 is also moved forward, and then the curved surface 12 of the support point 10 touches the lower end surface of the writing member 2 to move the writing member 2 forward. The pen tip 2a of the writing member 2 is projected from the front end of the outer cylinder 1. In this case, since the writing member 2 is pushed back by the spring force of the spring 3, when the knocking state is released, the knocking portion 5 is rotated counterclockwise with respect to the support point 10. By rotating in this manner, the locking projection 9 is securely caught in the protruding hole 7 so that the pen tip 2a is protruded from the front end of the outer cylinder 1 so that writing can be performed.

Then, to draw the pen tip 2a into the outer cylinder 1 from this protruding state (writing state), by pressing the rear end portion 4b of the clip portion 4 or pulling up the front portion 4a, The locking projections 9, which have been caught by the protruding holes 7, rotate clockwise about the support point 10 together with the clip portion 4 and the knock portion 5 to be peeled off from the protruding holes 7. The writing member 2 is moved backward with the clip portion 4 and the knock portion 5 by the spring force of the spring 3 so that the pen tip 2a is drawn from the front end of the outer cylinder 1, In addition, the locking projection 9 rotates in a counterclockwise direction opposite to the above with respect to the support point 10 together with the clip portion 4 and the knock portion 5 in the receiving hole 8 in FIG. By being caught as shown by the solid line, the pen tip 2a maintains the state accommodated from the front end of the outer cylinder 1.

In this first embodiment, the gap H between the knock portion 5 located behind the support point 10 and the outer cylinder 1 forms a fan shape, so that the locking projection 9 is a projection hole 7 or The storage hole 8 can be secured and detached easily.

3 is a longitudinal sectional view showing the main structure of a second embodiment of the present invention. In this second embodiment, the guide of the clip portion 6 serves as the second storage hole 8a, and the writing member ( The angled portion at the rear end of 2) and the contacting portion of the knock portion 5, which is in contact with the knocking portion 5, form the curved surface 12 and the tapered surface 13, respectively. Moreover, the clearance gap H between the knock part 5 and the outer cylinder 1 of the back of the support point 10 is larger than the height H 'of the locking protrusion 9, and the locking protrusion 9 is a projection hole. (7) or the storage hole 8 can be caught more easily and reliably and detached.

In addition, when the pen tip 2a of the writing member 2 is accommodated, the clip part 6 comes into contact with the rear end of the second storage hole 8a, but the locking projection 9 is provided with the storage hole 8. The clip end portion 6 and the locking projection 9 may be brought into contact with the rear ends of the second storage holes 8a and the storage holes 8, respectively.

In the second embodiment configured as described above, when the knock portion 5 is knocked, the clip portion 6 held by the second storage hole 8a of the outer cylinder 1 is burnt in the spring 3. While moving forward with the clip portion 4 and the knock portion 5 while being guided axially by the second storage hole 8a against the force, the writing member 2 is moved forward, The locking projection 9 fitted into the hole 8 is also disengaged from the storage hole 8, and rotates clockwise around the support point 10 together with the clip portion 4 and the knock portion 5. By moving forward, the tapered surface 13 of the locking projection 9 touches the curved surface 12 of the writing member 2, pushing the writing member 2 forward to protrude the pen tip 2a from the front end of the outer cylinder. When the knock is released, the knock member 5 rotates counterclockwise by the force of the spring that pushes the writing member 2 backward so that the locking piece 9 Be hung into the projection hole (7) of the outer sleeve (1) it is being maintained by the state in which the pen tip to protrude it is possible to handwriting.

In this case, when the projection 17 is rounded on the surface of the outer cylinder 1 located in front of the projection formed at the lower portion of the front portion 4a of the clip 4, the knock portion is formed to protrude the pen tip 2a. When knocking (5), when the protrusion formed in the lower part of the front part 4a passes over this protrusion 17, the said latching protrusion 9 will disengage from the accommodation hole 8, and the clip part 4 Even without lifting the front end of the) knock portion (5) can be rotated clockwise around the support point (10).

Then, in order to draw the pen tip 2a from the protruding state and press the rear portion 4b of the clip portion 4 downward or pull up the front portion 4a, it is caught in the protruding hole 7. The writing protrusion 2 is moved from the protruding hole 7 by rotating the locking projection 9 clockwise around the support point 10 together with the clip portion 4 and the knock portion 5 so that the writing member 2 has a spring ( Due to the elasticity of 3), the clip portion 4 and the knock portion 5 are moved backwards, and then the clip base portion 6 is caught at the same time as the clip portion 6 is caught by the rear end of the second storage hole 8a. The pen 9 is rotated counterclockwise about the support point 10 along with the clip 4 and the knock part 5 to enter the receiving hole 8 so that the pen 9a can be engaged. It is drawn from the front end of (1) to maintain the stored state.

Also in this second embodiment, the clearance H between the knock portion 5 and the outer cylinder 1 located behind the support point 10 is larger than the height H 'of the locking projection 9, so that the projections 9 can be reliably easily caught and detached from these protruding holes 7 or the receiving holes 8.

FIG. 4 is a longitudinal sectional view showing the main structure of a third embodiment of the present invention. In this third embodiment, the second storage hole 8a serves as the guide of the clip part 6, while the writing member The rear end angled part of (2) and the part of the knock part (5) which come into contact with this form the taper surface 13, and the locking projection 9 caught by the protruding hole 7 is the front part of the clip part 4. It has a structure formed in the lower surface (4a).

In the third embodiment configured as described above, when the knock portion 5 is knocked, the clip portion 6 caught in the storage hole 8a is guided to the second storage hole 8a and the clip portion 4 And the forward portion against the elasticity of the spring 3 together with the knock portion 5, and then the tapered surface 13 of the knock portion 5 touches the lower end tapered surface 12 of the writing member 2. Since the spring 3 is pushed back by the elastic force, the writing member 2 also moves forward by the movement. In this way, when the engaging projection 9 of the clip part 4 reaches the protruding hole 7, the writing member 2 and the part of the knock part 5 which come into contact with this form the taper surface 13, , The clip portion 4 and the knock portion 5 are rotated counterclockwise around the support point 10 so that the locking projection 9 is caught by the protruding hole 7, so that the pen tip 2a is opened by the outer cylinder ( It keeps protruding from the front end of 1) and can write.

Then, in order to draw the pen tip 2a from the protruding state and put it in the storing state, pressing the rear portion 4b of the clip portion 4 downward or pulling up the front portion 4a, the protruding hole 7 The locking projection 9 that has been caught is rotated clockwise around the support point 10 together with the clip portion 4 and the knock portion 5 to be separated from the protruding hole 7 so that the writing member 2 Due to the elasticity of the spring 3, the clip 4 and the knock portion 5 are moved backwards, and the clip portion 6 is almost caught by the rear end of the second storage hole 8a. At the same time, the engaging projection 9 is rotated counterclockwise around the support point 10 together with the clip portion 4 and the knock portion 5 to enter and engage the storage hole 8, whereby the pen tip 2a It is drawn in from the front end of the outer cylinder 1 to maintain the stored state.

Also in this second embodiment, the clearance H between the knock portion 5 and the outer cylinder 1 located behind the support point 10 is larger than the height H 'of the locking projection 9, so that the projections 9 can be reliably and easily caught and detached from these protruding holes 7 or the receiving holes 8.

FIG. 4 is a longitudinal sectional view showing the main structure of a third embodiment of the present invention. In this third embodiment, the second storage hole 8a serves as the guide of the clip part 6, while the writing member The rear end angled part of (2) and the part of the knock part (5) which come into contact with this form the taper surface 13, and the latching projection 9 caught by the protruding hole 7 is the front part of the clip part 4. It has a structure formed in the lower surface (4A).

In the third embodiment configured as described above, when the knock portion 5 is knocked, the clip portion 6 caught in the storage hole 8a is guided to the second storage hole 8a and the clip portion 4 And the forward portion against the elasticity of the spring 3 together with the knock portion 5, and then the tapered surface 13 of the knock portion 5 touches the lower end tapered surface 12 of the writing member 2. Since the spring 3 is pushed back by the elastic force, the writing member 2 also moves forward by the movement. In this way, when the engaging projection 9 of the clip part 4 reaches the protruding hole 7, the writing member 2 and the part of the knock part 5 which come into contact with this form the taper surface 13, , The clip portion 4 and the knock portion 5 are rotated counterclockwise around the support point 10 so that the locking projection 9 is caught by the protruding hole 7, so that the pen tip 2a is opened by the outer cylinder ( It keeps protruding from the front end of 1) and can write.

Then, in order to draw the pen tip 2a from the protruding state and put it in the storage state, the lower part 4b of the clip 4 is pushed down or the front part 4 is pulled up, so that the protruding hole 7 The latching projection 9 which has been caught is rotated clockwise with the clip portion 4 and the knock portion 5 around the support point 10 to escape from the protruding hole 7 to the elastic force of the spring 3. By moving backward, the clip part 6 touches the back end of the accommodating hole 8a, and the pen tip 2a is attracted from the front end of the outer cylinder 1, and is maintained.

Also in this third embodiment, the gap H between the knock portion 5 and the outer cylinder 1 that is behind the support point 10 is larger than the height H 'of the protrusion 9, so that the locking protrusion 9 ) Is securely and easily caught in the protruding hole 7 and can be disengaged.

As described above, in the first to third embodiments of the present invention, the clipping portion 6 is formed in the protruding hole 7 in accordance with the lever movement by the supporting point 10 formed on the knock portion 5. Does not utilize the elasticity of the clip part 4 or the knock part 5 itself, and the life span becomes short due to the fatigue phenomenon of the material even if used for a long time. There will be no.

In addition, by using the lever movement by the support point 10, the gap between the knock portion 5 and the outer cylinder 1 at the back of the support point 10 becomes a fan shape or the gap H is the height of the projection 9 ( It is larger than H '), and the rear end portion of the support point 10 side is shorter than the rear end portion of the clip portion 4 side of the outer cylinder 1, so that it can be caught more easily and more easily.

Also, even when the mobile device is inserted into a pocket or the like with the pen tip 2a protruding, the front portion 4A of the clip portion 4 is pulled up so that the pen tip 2a can be automatically stored and the clothes such as pockets become dirty. There is no support.

Meanwhile, in the first to third embodiments, the case where the knock part 5 has a cylindrical shape is illustrated, but it may be a columnar shape.

As described above, according to the present invention, the locking projection 9 is caught and detached from the protruding hole and the receiving hole by the lever movement around the support point 10 formed on the knock portion 5, thereby providing a clip. Since the elasticity of the part 4 or the knock part 5 itself is not used, the member is not fatigued even if it is used for a long time, resulting in a long service life, and a lever protrusion by the support point 10 is used. 9) can be reliably and easily caught and detached from the protruding hole and the storing hole, and the front portion 4a of the clip portion 4a when the pen tip 2a is inserted into the bag or the like while being protruded. By being pulled up), the pen tip 2a can be automatically stored, so that there is no fear that the clothes such as pockets are soiled.

Claims (8)

A writing member 2 arranged to slide in the outer cylinder 1, a spring 3 for pushing the writing member 2 back, a knock portion 5 and a clip respectively provided inside and outside the outer cylinder 1 In the knock-type writing instrument equipped with a portion (4), the clip portion (4) and the knock portion (5) is connected to the clip portion (6) through the protruding hole (7) formed in the outer cylinder (1) Rotating with a lever movement around the support point 10 formed at 5), the protrusion 7 formed in the outer cylinder 1 with the engaging projection 9 formed at the knock portion 5 or the clip portion 4; Or the pen tip (2a) of the writing member (2) by holding and detached from the storage hole (8) so as to maintain the protruding or stored state, respectively. The lower surface of the back end of the writing member 2 and the portion of the knock portion 5 which contact the lower back portion of the writing member 2 are curved surfaces 12 and tapered surfaces 13. Nok writing instruments. The knock writing instrument according to claim 1, wherein the support point (10) is formed on the lower surface of the knock portion (5). The knock writing instrument as claimed in claim 1, wherein a gap (H) between the knock portion (5) and the outer cylinder (12) behind the support point (10) is fan-shaped. The knock type according to claim 1, wherein the clearance H between the knock portion 5 and the outer cylinder 1 behind the support point 10 is greater than the height H 'of the locking projection 9. Writing utensils. The knock writing instrument according to claim 1, wherein the rear end portion of the outer cylinder (1) is shorter than the support portion (10) side of the clip portion (4) side. 2. The locking projection (9) according to claim 1, wherein the locking projection (9) is separated from the receiving hole (8) on the surface of the outer cylinder (1) at the position immediately before the protrusion formed on the lower surface of the front portion (4a) of the clip portion (4). Knock-type writing instruments characterized in that the protrusions 17 are formed to help. The knock writing instrument according to claim 1, wherein the knock portion (5) has a cylindrical shape or a pillar shape.

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