JPH04126888U - Swing type writing instrument locking device - Google Patents

Abstract

(57) [Summary] [Purpose] To eliminate the risk of staining, breaking, or damaging pockets, etc. in swing-type writing instruments. [Structure] A blocking portion 9 is provided on the outer surface of the outer cylinder 1 to prevent the side knock portion 8 from sliding when operated during carrying.

Description

[Detailed explanation of the idea]

0001

[Industrial application field]

This invention reciprocates the lowering hammer by swinging the outer cylinder, and Move the refill against the elastic force of the elastic body to make the tip of the refill appear and retract from the tip of the outer cylinder. Pertains to swing-type writing instruments in which the lead is drawn out after being inserted or protruded, especially the slit provided in the outer cylinder. By repeating the sliding operation of the slide knock part along the A swing-type writing instrument that doubles as a side-knock type that makes the part appear and disappear or the lead comes out after protruding. Relating to a locking device.

0002

[Conventional technology]

This kind of conventional swing-type writing instrument is explained with reference to the drawing. By inserting the refill 2 and swinging the outer cylinder 1, the lowering hammer 3 is moved forward. Move the refill 2 backwards against the spring force of the spring 4 to remove the refill from the tip of the outer cylinder 1. The tip part 5 of the wheel 2 is made to protrude and retract, or the core 6 is paid out after protrusion.

0003 Also, a slit 7 is provided in the outer cylinder 1, and the refill 2 is sized along this slit 7. By repeating the sliding operation of the knock part 8, the tip part 5 of the refill 2 can be made to appear. The structure is such that the core 6 is fed out after being moved or projected.

0004

[Problem that the idea aims to solve]

For conventional writing instruments with the above configuration, when carried in a pocket etc. When the hammer 3 reciprocates due to vibration, the refill 2 receives the spring force of the spring 4. By moving against this, the tip 5 of the refill 2 retracts or protrudes from the tip of the outer cylinder 1. Since the rear core 6 has to be extended out, there are problems such as staining or damaging the pocket etc. .

[0005]

[Means to solve the problem]

In order to solve the above problems, the writing instrument of the present invention has a reflector inside the outer cylinder 1 as shown in Fig. 1. The hammer 3 is reciprocated by inserting the wheel 2 and swinging the outer cylinder 1. and move the refill 2 against the elastic force of the elastic body 4 to remove the refill from the tip of the outer cylinder 1. A slit is made in the outer cylinder 1 while letting out the tip 5 of the feel 2 or letting out the core 6 after protruding. 7, and insert the refill 2 along the slit 7 into the side knock part 8. By repeating the id operation, the tip 5 of the refill 2 is made to appear or disappear, or the protruding rear core 6 In a writing instrument configured to feed out a A blocking part 9 for preventing riding is provided on the outer surface of the outer cylinder 1.

[0006]

[Effect]

When using the writing instrument, slide the side knock part 8 by operating the blocking part 9. By releasing the blocker and swinging the outer cylinder 1, the lowering hammer 3 is reciprocated. or by repeating the sliding operation of the side knock part 8, the tip of the refill 2 After the portion 5 is retracted or protruded, the core 6 can be fed out.

[0007] Also, when carrying a writing instrument, the slider of the side knock part 8 can be removed by operating the blocking part 9. This will prevent the movement of Refill 2, and the pocket There is no risk of staining, breaking, or damaging the etc.

[0008]

【Example】

FIG. 1(A) is a partially exploded side view showing the structure of the first embodiment of the writing instrument of the present invention. B) is a side view showing the locked state of its main parts, and FIG. 2 is a side view thereof. In Figure 1 1 is the outer cylinder, 2 is the mechanical pencil refill attached to the tip 1A, 3 is a lowering hammer fitted between the two contact parts 12A and 12B of this refill 2. -, 12C is a locking part with a similar structure to the contact part 12B, and the contact part 12B and In order to facilitate inward deflection of the locking portion 12C, an axial portion is attached to the rear portion of the refill 2. A slit 13 is provided in the opposite direction.

[0009] The refill 2 equipped with the above-mentioned lowering hammer 3, elastic body 4 and tip 1A is the outer cylinder 1. A tip 1A is inserted into the outer cylinder 1 and screwed onto the tip of the outer cylinder 1. Refill 2 staff The engaging part 15 of the side knock cylinder part 14 is connected to the notch groove 16 provided in the stop part 12C. The inward bending caused by the slit 13 allows for easy attachment. Also, to refill 2 The lowering hammer 3 can be easily fitted due to the inward bending of the slit 13. be able to.

0010 A counterbore 17 is formed in the rear outer surface of the outer cylinder 1 in the axial direction. A slit 7 is provided, and the side knock cylinder part 1 is inserted through this slit 7. The protrusion 8A of the side knock part 8 is connected to the connection hole 18 provided in the side knock part 8. child A blocking portion 9 that prevents the side knock portion 8 from sliding when operated when carrying the device is attached to the outer cylinder 1. installed on the outer surface of the

[0011] This blocking part 9 is provided with an annular groove 10 on the outer periphery of the outer cylinder 1, and a C-shaped groove is formed in this annular groove 10. A ring 11 is rotatably fitted. 19 is fitted to the rear part of the outer cylinder 1, engaged, crimped, The eraser holder 20 attached by adhesion, screwing, etc. is held in this holder 19. 21 is a cap that is attached to the holder 19 in a removable manner, and 22 is a cap that is fixed to the outer cylinder 1. This is a fixed clip.

0012 In the first embodiment with the above configuration, when the writing instrument is used, the C-shaped ring 11 is inserted into the annular groove. 10 and release the slide prevention of the side knock part 8 as shown in Figure 2. do. When the outer cylinder 1 is swung in this state, the lowering hammer 3 is moved to the refill 2. It is reciprocated between the two contact parts 12A and 12B, and the tip part 5 of the refill 2 touches the locking part 1. Side knock cylinder part 14 with engaging part 15 engaged with 2C and side knock cylinder part 14 connected to this It is moved together with the knock part 8 against the spring force of the spring 4 and protrudes from the tip of the tip 1A. be done. After ejecting, the core 6 is drawn out from the tip 5 by the reciprocating motion of the knockdown hammer 3, It can be used for writing.

[0013] Also, slide the side knock part 8 along the slit 7 and counterbore 17. and a side knock cylinder part that connects the protrusion 8A of the side knock part 8 to the connecting hole 18. 14 and the refill 2 which has the locking part 12C locked to the locking part 15 of the cylinder part 14 is attached to the bar. It is moved against the spring force of the spring 4, and the tip 5 is projected from the tip 1A. After ejection, the sa By repeating the sliding operation of the id knock part 8, the lead 6 is drawn out from the tip part 5, It can be used for writing.

[0014] To retract the tip 5 and core 6 from the tip of the tip 1A, move the side knock part 8 forward. Press to keep the chuck of Refill 2 open, and press the tip of the lead in this state. This allows the tip portion 5 and core 6 to be retracted from the tip of the tip tool 1A.

[0015] When carrying a writing instrument, rotate the C-shaped ring 11 along the annular groove 10 and ), the sliding of the side knock part 8 is prevented, and the refill is thereby prevented. This will block the movement of the item 2 and may stain, break, or damage pockets, etc. There is no fear.

[0016] FIG. 3 is a partially exploded side view showing the configuration of the second embodiment, FIG. 4 is an overall side view, and FIG. FIG. 2 is a side view showing a locked state of the main part thereof. In Fig. 3, 1 is an outer cylinder, and 2 is a bolt. The refill for the refill pen, 4, is inserted from the tip 5 side of this refill 2, and The spring 23 that comes into contact with the elastic receiver of the roll 2 is inserted from the tip side inside the outer cylinder 1 and is inserted into the inner cylinder 1. A conventionally known rotary cam mechanism that comes into contact with the surface protrusion 24, 25 is this rotary cam mechanism 23. This sleeve is connected to the sleeve of the rotary cam mechanism 23 and has an integral structure with the sleeve of the rotating cam mechanism 23. You can.

[0017] The refill 2 includes a spring screw 26, a sleeve 25 and a rotary cover inside the tip of the outer cylinder 1. The reflex camera is inserted into the rotary cam of the rotary cam mechanism 23, and its rear end is in contact with the bottom of the hole of the rotary cam. By placing the tip 1 on the tip 5 of the wheel 2 and screwing it onto the spring screw 26, A tube 2 is inserted into the outer cylinder 1. Use tip 1A and outer cylinder 1 instead of spring screw 26. It may be attached by screwing with a female thread and a male thread, or by fitting, fastening, etc.

[0018] It is inserted from the rear of the outer cylinder 1 and comes into contact with the protrusion 24, and is connected to the rotating cam mechanism 23. A connecting hole 18 is provided in the lowering hammer 3 that comes into contact with the shaft portion 23A of the cam bar. In addition, a counterbore 17 and an axial slit 7 are provided in the rear side of the outer cylinder 1. I'm being kicked. A connecting hole 1 provided in the knockdown hammer 3 through this slit 7 8 is connected to a protrusion 8A of the side knock portion 8.

[0019] A blocking portion 9 that prevents the side knock portion 8 from sliding when operated when carrying the device is attached to the outer cylinder 1. installed on the outer surface of the This blocking portion 9 is provided with an annular groove 10 on the outer periphery of the outer cylinder 1. A C-shaped ring 11 is rotatably fitted into an annular groove 10.

[0020] In the second embodiment with the above configuration, when the writing instrument is used, the C-shaped ring 11 is inserted into the annular groove. 10 to release the slide prevention of the side knock part 8 as shown in Figure 4. do. When the outer cylinder 1 is swung in this state, the protrusion 8A of the side knock part 8 comes into contact with the outer cylinder 1. with the rear end of the slit 7 and the rear end of the counterbore 17 with which the side knock part 8 comes into contact. The lowering hammer 3 is reciprocated between the protrusion 24 provided on the inner surface of the outer cylinder 1, and the lowering hammer 3 is The shaft portion 23A of the cam bar of the rotary cam mechanism 23 is pushed by the hammer 3.

[0021] As a result, it passes through the sleeve 25 and comes into contact with the rotating cam of the rotating cam mechanism 23. The tip 5 of the refill 2 is protruded from the tip 1A against the spring 4, and the tip 5 of the refill 2 is protruded from the tip 1A, unlike the conventional rotary cam. Similar to the mechanism, when returning due to the spring force of spring 4, the rotary cam rotates and the tooth surface of the cam body The protruding state of the tip 5 is maintained by being locked to the pen tip (rotatably fitted and held). ball) 5A allows for writing.

[0022] By swinging again, the lowering hammer 3 hits the shaft of the cam bar of the rotating cam mechanism 23. Push the part 23A to release the lock between the rotating cam and the cam body that make up the rotating cam mechanism 23. When released, the refill 2 moves backward together with the rotating cam and cam bar due to the spring force of the spring 4. , and the tip 5 of the refill 2 is retracted from the tip 1A.

[0023] Also, slide the side knock part 8 along the slit 7 and counterbore 17. Then, the knocking hammer 3, which connects the protrusion 8A of the side knock part 8 to the connecting hole 18, moves forward, thereby pushing the cam bar shaft portion 23A of the rotating cam mechanism 23. . As a result, the tip 5 of the refill 2 protrudes from the tip 1A against the spring force of the spring 4. This means that writing can be performed using the pen tip 5A in the same manner as described above.

[0024] Slide the side knock part 8 along the slit 7 and counterbore 17 again. Then, the lowering hammer 3 pushes the shaft portion 23A of the cam bar of the rotating cam mechanism 23, The rotation cam that constitutes the rotation cam mechanism 23 and the cam body are released, and the spring 4 is released. The refill 2 moves backward together with the rotary cam and cam bar due to the force, and the refill The tip 5 of the tool 2 will be retracted from the tip 1A.

[0025] When carrying the writing instrument, rotate the C-shaped ring 11 along the annular groove 10, as shown in FIG. This prevents the side knock part 8 from sliding, thereby preventing the movement of the refill 2. There is no risk of staining or damaging the pocket etc.

[0026]

[Effect of the idea]

As mentioned above, according to the present invention, it is possible to create a swing-type writing instrument that also serves as a side-knock type. The outer cylinder has a blocking part 9 that prevents the side knock part 8 from sliding when it is operated when carrying. 1, so when carrying a writing instrument, etc., the blocking part 9 can be operated to prevent the side notch from opening. It is possible to prevent the sliding of the refill portion 8, thereby blocking the movement of the refill 2. This eliminates the risk of staining, folding, or damage to pockets, etc. .

[Brief explanation of drawings]

FIG. 1(A) is a partially exploded side view showing the structure of a first embodiment of the writing instrument of the present invention, and FIG. 1(B) is a side view showing the locked state of its main parts.

FIG. 2 is a side view thereof.

FIG. 3 is a partially exploded side view showing the configuration of a second embodiment.

FIG. 4 is an overall side view thereof.

FIG. 5 is a side view showing the main parts thereof in a locked state.

[Explanation of symbols]

1 Outer cylinder 2 Refill 3 Lowering hammer 4 Elastic body (spring) 5 Tip 6 cores 7 slit 8 Side knock part 9 Blocking part 10 Annular groove 11 C-shaped ring

Claims (2)

[Scope of utility model registration request] Claim 1: A refill (2) is inserted into an outer cylinder (1), and by swinging the outer cylinder (1), a downward hammer (3) is reciprocated, and the refill (2) is attached to an elastic body. The tip (5) of the refill (2) is made to protrude and retract from the tip of the outer tube (1) by moving it against the elastic force of (4), or after the protrusion, the core (6) is fed out and a slit is made in the outer tube (1). (7), and by repeating the sliding operation of the side knock part (8) of the refill (2) along this slit (7), the tip (5) of the refill (2) is made to retract or protrude. A swing-type writing instrument having a structure in which the lead (6) is fed out, and which is provided with a blocking part (9) on the outer surface of the outer cylinder (1) that prevents the side knock part (8) from sliding when operated when carrying the instrument. locking device. [Claim 2] The blocking part (9) is formed by providing an annular groove (10) on the outer periphery of the outer cylinder (1), and rotatably fitting a C-shaped ring (11) into the annular groove (10). A locking device for a swing type writing instrument according to claim 1.