CN215284111U - Safety sign pen - Google Patents

Abstract

The utility model discloses a safe sign pen, including customization pen container and special key, the upper end of customization pen container is equipped with the thread groove, customization pen container interpolation is equipped with customization plastic screw, customization plastic screw and thread groove threaded connection, the lower extreme of customization plastic screw is equipped with reset structure. The utility model discloses an utilize extension spring to fix the fixed rod between sleeve and customization refill oil pipe, cup joint customization refill oil pipe and insert after the slip pipe box and locate customization pen container in, it is protruding to carry on spacingly to customization refill oil pipe to make the arc snap ring cooperation arc of cylindricality on the arch, and reset customization refill oil pipe by extension spring, be convenient for in time withdraw when the nib touches hard thing, avoid causing the damage to the nib, twist the screw thread inslot with customization plastics screw through first draw-in groove of special key cooperation and second draw-in groove, and only usable special key is dismantled customization plastics screw, overcome the drawback that customization plastics screw easily loses or the mistake is swallowed.

Description

Safety sign pen

Technical Field

The utility model relates to a sign pen technical field especially relates to safe sign pen.

Background

The sign pen is a pen specially used for signing or signing, and comprises a water-based sign pen and an oil-based sign pen, wherein the water-based sign pen is generally used on paper, and can be easily wiped off if being used on a white board or a sample, the oil-based sign pen is generally used for sample signing or other permanent marks, and the oil-based sign pen is difficult to wipe but can be cleaned by alcohol and the like.

When the sign pen on the existing market is in actual use, the pen point of the sign pen can not be timely and automatically recovered when touching hard objects, such as the ground is impacted, the pen point is easily damaged, the pen cap is easy to detach, the defect that the pen is easily lost or swallowed by mistake is overcome, and the safety sign pen is provided to solve the problems.

SUMMERY OF THE UTILITY MODEL

The utility model provides a safe sign pen for solve among the background art sign pen on the existing market when the in-service use, its nib is when touching hard thing, if striking ground etc. can't in time retrieve automatically, cause the damage to the nib easily, and the cap is quick detachable, has the technical problem of the drawback of easily losing or mistake swallowing.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

safe sign pen, including customization pen container and special key, the upper end of customization pen container is equipped with the thread groove, customization pen container interpolation is equipped with customization plastics screw, customization plastics screw and thread groove threaded connection, the lower extreme of customization plastics screw is equipped with reset structure, the last customization refill oil pipe that is equipped with of reset structure, the slip pipe box has been cup jointed in the last activity of customization refill oil pipe, the one end that customization refill oil pipe is close to the nib is equipped with the cylindricality arch, the cylindricality arch is located and is equipped with the arc snap ring on the annular lateral wall of central point position, it is equipped with the arc arch on the annular inner wall that the customization pen container is close to the lower extreme, the arc snap ring slides the joint with the arc arch.

Preferably, the sliding pipe sleeve is made of brass.

Preferably, the cylindrical protrusion and the arc-shaped clamping ring are integrally formed with the customized pen core oil pipe.

Preferably, the lower extreme of special key is equipped with first draw-in groove, the upper end of customization plastics screw is equipped with the second draw-in groove, first draw-in groove and second draw-in groove phase-match set up.

Preferably, the reset structure is including setting up in the sleeve of customization plastics screw lower extreme, be equipped with the first through-hole of symmetric distribution on the annular inner wall that the sleeve is close to the top surface, two it is equipped with same fixed stick to run through the interlude in the first through-hole, the extension spring has been cup jointed to the one end that fixed stick is located the sleeve, customization refill oil pipe is close to and is equipped with the second through-hole on the annular lateral wall of upper end, extension spring's free end runs through the setting of second through-hole.

Preferably, the customized plastic screw and the sleeve are integrally formed.

Compared with the prior art, the utility model, its beneficial effect does:

1. through utilizing extension spring to fix between sleeve and customization refill oil pipe, cup joint customization refill oil pipe and insert behind the slip pipe box and locate customization pen container for arc snap ring cooperation arc arch on the cylindricality arch carries on spacingly to customization refill oil pipe, and resets to customization refill oil pipe by extension spring, is convenient for in time withdraw when the nib touches hard thing, avoids causing the damage to the nib.

2. Screw in the thread groove through first draw-in groove of special key cooperation and second draw-in groove with customization plastics screw, and only usable special key is dismantled customization plastics screw, overcome the easy drawback of losing or mistake swallowing of customization plastics screw.

Drawings

Fig. 1 is a schematic perspective view illustrating a pen point pop-up state of the safety sign pen according to the present invention;

fig. 2 is a schematic perspective view illustrating a retracted state of a nib of the safety sign pen according to the present invention;

fig. 3 is a schematic view of a disassembled structure of the safety sign pen provided by the present invention;

fig. 4 is an operation schematic diagram of the safety sign pen provided by the present invention.

In the figure: the pen container comprises a customized pen container 1, a special key 2, a thread groove 3, a plastic screw 4, a refill oil pipe 5, a sliding pipe sleeve 6, a cylindrical protrusion 7, an arc-shaped clamping ring 8, an arc-shaped protrusion 9, a first clamping groove 10, a second clamping groove 11, a sleeve 12, a first through hole 13, a fixing rod 14, an extension spring 15 and a second through hole 16.

Detailed Description

In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments.

Referring to fig. 1-4, the safety sign pen includes a customized pen container 1 and a special key 2, wherein a thread groove 3 is arranged at the upper end of the customized pen container 1, a customized plastic screw 4 is inserted into the customized pen container 1, the customized plastic screw 4 is equivalent to a pen cap in the prior art, the customized plastic screw 4 is in threaded connection with the thread groove 3, a reset structure is arranged at the lower end of the customized plastic screw 4, a customized pen refill oil tube 5 is arranged on the reset structure, a sliding tube sleeve 6 is movably sleeved on the customized pen refill oil tube 5, the sliding tube sleeve 6 is made of brass, the sliding tube sleeve 6 made of brass is convenient for swinging the customized pen container 1, the customized pen refill oil tube 5 can be driven to move, a first clamping groove 10 is arranged at the lower end of the special key 2, a second clamping groove 11 is arranged at the upper end of the customized plastic screw 4, the first clamping groove 10 is matched with the second clamping groove 11, when and only when the first clamping groove 10 on the special key 2 is inserted into the second clamping groove 11 on the customized plastic screw 4, the customized plastic screw 4 can be screwed to rotate, so that the defect that the pen cap is easy to lose or swallow by mistake is overcome.

The customized pen core oil pipe 5 is provided with a cylindrical protrusion 7 at one end close to the pen point, an arc-shaped snap ring 8 is arranged on the annular side wall of the central position of the cylindrical protrusion 7, the cylindrical protrusion 7 and the arc-shaped snap ring 8 are integrally formed with the customized pen core oil pipe 5, the annular inner wall of the customized pen container 1 close to the lower end is provided with an arc-shaped protrusion 9, the arc-shaped snap ring 8 is in sliding clamping with the arc-shaped protrusion 9, when the pen point is in a contraction state, the arc-shaped snap ring 8 is positioned above the arc-shaped protrusion 9, when the customized pen container 1 is held and swung, the sliding pipe sleeve 6 made of brass moves to drive the customized pen core oil pipe 5 to move simultaneously until the sliding pipe sleeve 6 abuts against the cylindrical protrusion 7 and stops, at the moment, the customized pen core oil pipe 5 continues to move without hindrance until the arc-shaped snap ring 8 abuts against the arc-shaped protrusion 9 and slides to the lower part of the arc-shaped protrusion 9, and the customized pen core oil pipe 5 is effectively clamped in the customized pen core 1 in a limiting way, when the pen point touches hard objects, the pen point is stressed too much to enable the arc-shaped snap ring 8 to abut against the arc-shaped bulge 9 and move backwards to the upper part of the pen point, the stretched extension spring 15 elastically resets to drive the pen point to shrink into the customized pen container 1 and can be timely retracted when the pen point touches the hard objects, so as to avoid damage to the pen point, the resetting structure comprises a sleeve 12 arranged at the lower end of a customized plastic screw 4, first through holes 13 which are symmetrically distributed are arranged on the annular inner wall of the sleeve 12 close to the top surface, the same fixing rod 14 is penetrated and penetrated through the two first through holes 13, the fixing rod 14 is used for fixing the extension spring 15 in the sleeve 12, one end of the fixing rod 14 in the sleeve 12 is sleeved with the extension spring 15, the extension spring 15 is used for resetting the customized pen refill oil pipe 5, a second through hole 16 is arranged on the annular side wall of the customized pen refill oil pipe 5 close to the annular upper end, and the free end of the extension spring 15 penetrates through the second through hole 16, the custom plastic screw 4 and the sleeve 12 are integrally formed.

When the utility model is used, the fixing rod 14 is manually arranged to penetrate one of the first through holes 13, one end of the extension spring 15 is sleeved on the fixing rod 14, the other end of the fixing rod 14 penetrates the other first through hole 13, the free end of the extension spring 15 is fixedly arranged to penetrate the second through hole 16 on the customized refill oil pipe 5, the customized refill oil pipe 5 is sleeved with the sliding sleeve 6 made of brass and then is inserted into the customized pen container 1, the customized plastic screw 4 is inserted into the thread groove 3 on the customized pen container 1, the first clamping groove 10 on the special key 2 is aligned and inserted into the second clamping groove 11 on the customized plastic screw 4, the customized plastic screw 4 is screwed into the thread groove 3 by screwing the special key 2 and is fixed, when only the customized plastic screw 4 is disassembled by using the special key 2, the defect that the customized plastic screw 4 is easy to lose or swallow by mistake is overcome, the arc snap ring 8 on the cylindricality arch 7 is located the top of arc arch 9 this moment, hold customization pen container 1 and throw, make customization refill oil pipe 5 remove under the action of gravity of slip pipe box 6, it is spacing fixed to carry out customization refill oil pipe 5 until arc snap ring 8 slides arc arch 9, the nib shifts out outside customization pen container 1 this moment, when the nib touches hard thing, the nib atress is too big makes arc snap ring 8 and arc arch 9 offset the back move to its top, tensile extension spring 15 elastic reset drives the nib and contracts to in the customization pen container 1, can in time withdraw when the nib touches hard thing, avoid causing the damage to the nib.

The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims (6)

1. The safe sign pen comprises a customized pen container (1) and a special key (2), and is characterized in that, the upper end of the customized pen container (1) is provided with a thread groove (3), a customized plastic screw (4) is inserted into the customized pen container (1), the customized plastic screw (4) is in threaded connection with the thread groove (3), the lower end of the customized plastic screw (4) is provided with a reset structure, the resetting structure is provided with a customized refill oil pipe (5), the customized refill oil pipe (5) is movably sleeved with a sliding pipe sleeve (6), one end of the customized pen refill oil pipe (5) close to the pen point is provided with a cylindrical bulge (7), an arc-shaped snap ring (8) is arranged on the annular side wall of the cylindrical bulge (7) at the central position, the customized pen container (1) is provided with an arc-shaped protrusion (9) on the inner annular wall close to the lower end, and the arc-shaped clamping ring (8) is connected with the arc-shaped protrusion (9) in a sliding mode.

2. The secure sign pen according to claim 1, wherein the sliding sleeve (6) is brass.

3. The safety sign pen of claim 1, wherein the cylindrical protrusion (7) and the arc-shaped snap ring (8) are integrally formed with the customized refill oil tube (5).

4. The safety sign pen according to claim 1, wherein a first clamping groove (10) is formed in the lower end of the special key (2), a second clamping groove (11) is formed in the upper end of the customized plastic screw (4), and the first clamping groove (10) and the second clamping groove (11) are arranged in a matched mode.

5. The safety sign pen according to claim 1, wherein the resetting structure comprises a sleeve (12) arranged at the lower end of the customized plastic screw (4), first through holes (13) are symmetrically distributed on the annular inner wall of the sleeve (12) close to the top surface, the same fixing rod (14) is inserted into the two first through holes (13), an extension spring (15) is sleeved at one end of the fixing rod (14) located in the sleeve (12), a second through hole (16) is arranged on the annular side wall of the customized pen refill oil pipe (5) close to the upper end, and the free end of the extension spring (15) is arranged to penetrate through the second through hole (16).

6. The secure sign pen according to claim 5, wherein the custom plastic screw (4) is integrally formed with the sleeve (12).

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