CN110239258B - A drop-proof pen with adjustable strength - Google Patents

Abstract

The invention relates to a pen, in particular to a drop-resistant pen with fine-adjustable use force; comprises an inner penholder, an adjustable front casing, a rear penholder, a refill and a return spring; an outer ring bulge is arranged outside the inner penholder; the adjustable front shell comprises an inner resistance ring, one or more adjustable fixed rods and a fixed rod accommodating groove, the adjustable fixed rods are arranged in the fixed rod accommodating groove, and external threads are arranged on the adjustable front shell by the end, close to the adjustable fixed rods, of the adjustable front shell; the tail part of the rear pen container is provided with a pen core fixing seat, and the front part of the rear pen container is provided with an internal thread; the internal thread of the rear pen container and the external thread of the adjustable front container are in threaded fit with each other; the inner penholder is sleeved in the adjustable front shell in a sliding manner; the inner side of the adjustable fixing rod is provided with a fixed inner convex point, and the fixed inner convex point and the outer annular convex point are mutually clamped; the outside of the adjustable fixed rod is provided with an inclined slope with a certain gradient.

Description

A drop-proof pen with adjustable strength

technical field

The invention relates to a pen, in particular to an anti-drop pen with fine-tuning use strength.

Background technique

In today's society, with the development of the times, its cultural level is constantly rising, and as a tool for cultural inheritance, the appearance of the pen has brought inheritance to human civilization; therefore, it has continued to progress with the development of human beings. However, nowadays people tend to pay attention to the research and development of high-tech and other aspects, but ignore the further research and development of the pen; the existing pen still uses the technology of more than ten years ago, and its refill technology is still being updated, and the pen shell The use and even the operation method are relatively backward.

SUMMARY OF THE INVENTION

The purpose of the present invention is to provide a drop-resistant pen with fine-tuned use strength, in order to solve the problems that the existing pen does not have anti-fall, the operation is cumbersome, and the use force is not adjustable.

In order to realize the above-mentioned purpose of the invention, the present invention adopts the following technical solutions:

An anti-drop pen with fine adjustment of use strength, comprising an inner pen holder, an adjustable front casing, a rear pen holder, a pen core and a return spring; the inner pen holder is provided with an outer ring convex outside; the adjustable front casing is formed from the inner A resistance ring, one or more adjustable fixing rods and a fixing rod accommodating groove are formed, the adjustable fixing rods are placed in the fixing rod accommodating groove, and the adjustable front housing is provided with an external thread on the end of the adjustable fixing rod; The rear part of the rear pen barrel is provided with a refill fixing seat, and the front part is provided with an inner thread; the inner thread of the rear pen barrel and the outer thread of the adjustable front shell are threadedly matched with each other; the inner pen barrel is slidably sleeved on the Inside the adjustable front housing; the inner side of the adjustable fixing rod is provided with a fixed inner convex point, and the fixed inner convex point and the outer ring protrusion are mutually engaged; the outside of the adjustable fixing rod is provided with an inclined slope with a certain slope ;

The inclined slope changes the matching position of the inclined slope and the adjustable front casing according to the matching degree of the internal thread of the rear pen barrel and the external thread of the adjustable front casing, and the inclined slope will force the adjustable fixing rod to carry out the internal operation. If the pressure is pressed, the displacement of the fixed inner convex point will be changed indirectly, thereby affecting the engagement strength of the fixed inner convex point and the outer ring convex.

Preferably, the inner diameter of the inner resistance ring is smaller than the outer ring of the outer ring convex; the outer ring convex is smaller than the inner diameter of the adjustable front housing.

As a preference: the inclination angle of the inclined slope is 1-6 degrees. The larger the inclination angle is, the stronger the tightening effect of the adjustment will be when the matching degree of the inner thread of the rear pen barrel and the outer thread of the adjustable front casing is equal. .

Preferably, the front end of the inner pen holder is also provided with a force ring; the force ring is sleeved with the front end of the inner pen holder, and is fitted and installed through a thread or a buckle.

As a further preference of the present invention: the surface of the adjustable front shell is provided with a soft rubber ring; a soft rubber groove is formed between the soft rubber ring and the rear pen holder; the soft rubber groove is also sleeved with a Soft rubber ring.

As a further preference of the present invention: the soft rubber ring has a certain elasticity and deformation force; therefore, when the distance between the rear pen holder and the adjustable front housing changes, all can be covered by the soft rubber ring.

As a further preference of the present invention: the distance of the inner pen barrel exposed to the adjustable front shell is no more than 36mm at most.

Compared with the prior art, a pressure barrel used in a water purification system that adopts the above-mentioned technical solution has the following beneficial effects:

1. Compared with the existing gel pen shell, it increases the effect of anti-fall. Due to the structural design of the pen shell, as long as the sum of the external force and the elastic force of the return spring is greater than the outer ring convex and the fixed inner With the snapping force between the bumps, the refill will be retracted into the pen case by the elastic force of the return spring, so as to have the technical effect of preventing falling and protecting the refill.

2. The use method has been optimized, so that the refill can be retracted and exposed with one hand, and the state of use and non-use can be switched, and the switching of the state of use and non-use can be realized while maintaining the normal holding posture of the pen. It is not necessary to change the writing grip, and through another gesture deformation operation, the refill is exposed, and then switched back to the writing grip; the increased efficiency and speed of use simplifies the operation process of switching between the use and non-use states of the pen.

3. Writing posture correction, which can prevent the fingers from being too close to the pen tip, thus blocking the line of sight, which is not conducive to writing, and holding the writing posture that is too close to the pen tip will generally lead to hunchback, one-shoulder height and/or myopia, because, Fingers that are too close will block the line of sight, so people need to use abnormal sitting postures to see the content of the writing and facilitate the writing effort; moreover, people will unconsciously lean forward, and the eyes will be too close to the writing place, resulting in Diseases such as nearsightedness, one-shoulder height, and/or hunched back; and normally, people do not know the correct grip should maintain the correct distance from the nib, and even if they know the correct distance from the nib, they will Overly serious and unknowing writing grip is too close to the pen tip, which leads to the above-mentioned problems; and people who are accustomed to this bad grip will have this situation even more; and the structural design provided by the present invention, This kind of bad grip can be avoided. Once the focus point touches the designed warning line, the refill will automatically retract! The designed cordon depends on how far the inner barrel is exposed to the front barrel.

4. When using, the required matching force can be adjusted, that is, the engaging force between the outer ring convex and the fixed inner convex point can be adjusted by adjusting the matching degree between the inner thread of the rear pen barrel and the outer thread of the adjustable front shell; The degree of fit between the internal thread of the rear pen barrel and the external thread of the adjustable front housing makes the fitting position of the inclined slope and the adjustable front housing change. As a result, the displacement of the fixed inner convex point changes, thereby affecting the engaging strength of the fixed inner convex point and the outer ring convex to engage with each other.

Description of drawings

FIG. 1 is a perspective view of an embodiment of the present invention.

FIG. 2 is a front view of an embodiment of the present invention.

FIG. 3 is a cross-sectional view of an embodiment of the present invention.

4 is a perspective cross-sectional view of an embodiment of the present invention.

Fig. 5 is a partial enlarged view of part A of Fig. 4 of the present invention.

6 is a perspective view of the adjustable front housing of the present invention.

Detailed ways

The present invention will be further described below with reference to the accompanying drawings.

Example:

As shown in FIGS. 1 to 6 , an anti-drop pen with fine-tuning strength includes an inner pen holder 1 , an adjustable front casing 2 , a rear pen barrel 3 , a pen core 5 and a return spring 6 . An outer ring protrusion 11 is provided on the outside of the inner pen holder 1 . The above-mentioned adjustable front housing 2 is composed of an inner resistance ring 21, one or more adjustable fixing rods 23 and a fixing rod accommodating groove 24. The above-mentioned adjustable fixing rods 23 are placed in the fixing rod accommodating groove 24, and the above-mentioned adjustable front casing 2. An external thread is provided at the end of the adjustable fixing rod 23. The rear part of the rear pen barrel 3 is provided with a refill fixing seat, and the front part thereof is provided with an internal thread. The inner thread of the rear pen barrel 3 and the outer thread of the adjustable front housing 2 are threadedly matched with each other. The inner pen holder 1 is slidably sleeved in the adjustable front housing 2 . The inner side of the adjustable fixing rod 23 is provided with a fixed inner convex point 232, and the above-mentioned fixed inner convex point 232 and the outer ring protrusion 11 are engaged with each other. The above-mentioned adjustable fixing rod 23 is provided with an inclined slope 231 having a certain slope on the outside thereof.

The above-mentioned inclined slope 231 changes the matching position of the inclined slope 231 and the adjustable front casing 2 according to the degree of cooperation between the internal thread of the rear pen barrel 3 and the external thread of the adjustable front casing 2, then the inclined slope 231 will force the adjustable front casing 2. The internal pressure of the adjusting rod 23 will indirectly cause the displacement of the fixed inner convex point 232 to change, thereby affecting the engagement strength of the above-mentioned fixed inner convex point 232 and the outer ring protrusion 11 to engage with each other.

In order to prevent the inner pen holder 1 from being disengaged after being installed in the adjustable front housing without affecting its sliding use, the inner diameter of the inner resistance ring 21 is smaller than that of the outer ring of the outer ring convex 11 . The above-mentioned outer ring protrusion 11 is smaller than the inner diameter of the adjustable front housing 2 .

In order to enable people to adjust the strength of use more accurately, therefore, the inclination angle should not be too large. Velocity adjustment is done through a quarter-turn range, making it impossible to adjust exactly the desired velocity. And it can’t be too small, because the refill is only exposed at a distance of 4~5mm. This adjustment of the strength will directly cause the distance of the refill’s tip to be exposed and the inner barrel to change accordingly. If the inclination angle is too small, the required rotation If the number is too large, there will be a part of the adjustable range, which will lead to the situation that the refill cannot be exposed, and the minimum or maximum value of the clamping force cannot be achieved. Specifically, the minimum value or the maximum value is determined according to the inner length of the inner pen holder, the adjustable front casing 2 and the rear pen barrel 3 combined. Therefore, the inclination angle of the above-mentioned inclined slope 231 is 1 to 6 degrees, and the larger the inclination angle is, When the matching degree between the inner thread of the rear pen barrel 3 and the outer thread of the adjustable front housing 2 is equal, the tightening effect of the adjustment is stronger. If the inclination angle is less than 1 degree, the minimum or maximum value of the engagement force may not be achieved.

In order to facilitate the operation of the force, so that the operation is labor-saving and easy to operate, the front end of the inner pen holder 1 is also provided with a force ring 7 . The above-mentioned force ring 7 is sleeved with the front end of the inner pen barrel 1, and is fitted and installed through threads or snaps.

In order to adjust the strength for shielding, the change of the distance causes the size of the exposed part of the adjustable front housing 2 to change. The surface of the adjustable front housing 2 is provided with a soft rubber ring cut 22 . A soft glue groove is formed between the above-mentioned soft glue ring cutting 22 and the rear pen barrel 3 . A soft rubber ring 4 is also sleeved in the above-mentioned soft rubber groove, and the above-mentioned soft rubber ring can effectively block the exposed threads of the adjustable front housing 2 and cause dimensional changes.

In order to ensure the above-mentioned shielding effect, the above-mentioned soft rubber ring 4 has certain elasticity and deformation force. Therefore, when the distance between the rear pen holder 3 and the adjustable front housing 2 is changed, it can be covered by the soft rubber ring 4 .

In order to ensure the stability of use and reduce the clamping force required during assembly, it should be ensured that the force point is not on the inner pen holder during use. At the same time, this can also play the role of writing posture correction and anti-fall; the inner The distance between the exposed and adjustable front shell 2 of the pen holder 1 should not exceed 36mm at most.

Installation instructions: first put the inner pen barrel into the adjustable front shell, make it slide and sleeve in it, then put the return spring and the pen core into the inner pen barrel in turn, and then thread the adjustable front shell and the rear pen barrel. Finally, combine the focus ring with the inner barrel socket.

Adjustment instructions: After installation, by rotating the adjustable front casing and the rear pen holder, the matching position of the inclined slope and the adjustable front casing will change, and the inclined slope will force the adjustable fixing rod to carry out internal pressure, which will indirectly As a result, the displacement of the fixed inner convex point changes, thereby affecting the engaging strength of the above-mentioned fixed inner convex point and the outer ring convex to engage with each other.

Instructions for use:

When it needs to be used, the tiger's mouth clamps the rear pen barrel, and then the index finger and middle finger press the inner pen barrel or the force ring, so that it shrinks in the direction of the rear pen barrel, so that the outer convex ring and the fixed inner convex point are engaged. Therefore, the tip of the refill overcomes the elastic force of the return spring and presents an exposed state.

When not in use, the tiger's mouth clamps the rear pen holder, and then the index finger and middle finger press the inner pen barrel or the force ring to stretch it in the direction of the inner pen barrel, so that the engagement between the inner convex ring and the fixed inner convex point is disengaged. , the refill is subjected to the elastic force of the return spring, which causes the tip of the refill to retract the inner barrel.

In the description of the present invention, it should be understood that the terms "center", "portrait", "horizontal", "top", "bottom", "front", "rear", "left", "right", " The orientation or positional relationship indicated by vertical, horizontal, top, bottom, inner, outer, etc. is based on the orientation or positional relationship shown in the drawings, and is only for the convenience of describing the present invention and The description is simplified rather than indicating or implying that the device or element referred to must have a particular orientation, be constructed and operate in a particular orientation, and therefore should not be construed as limiting the invention. In addition, the terms "first", "second", etc. are used for descriptive purposes only, and should not be construed as indicating or implying relative importance or implying the number of indicated technical features. Thus, a feature defined as "first", "second", etc., may expressly or implicitly include one or more of that feature. In the description of the present invention, unless otherwise specified, "plurality" means two or more.

In the description of the present invention, it should be noted that the terms "installed", "connected" and "connected" should be understood in a broad sense, unless otherwise expressly specified and limited, for example, it may be a fixed connection or a detachable connection connected, or integrally connected. It can be a mechanical connection or an electrical connection. It can be directly connected, or indirectly connected through an intermediate medium, and it can be the internal communication between two components. For those of ordinary skill in the art, the specific meanings of the above terms in the present invention can be understood through specific situations.

The above are the preferred embodiments of the present invention. For those of ordinary skill in the art, several modifications and improvements can be made without departing from the principles of the present invention, which should also be regarded as the protection scope of the present invention.

It will be apparent to those skilled in the art that the present invention is not limited to the details of the above-described exemplary embodiments, but that the present invention may be embodied in other specific forms without departing from the spirit or essential characteristics of the invention. Therefore, the embodiments are to be regarded in all respects as illustrative and not restrictive, and the scope of the invention is to be defined by the appended claims rather than the foregoing description, which are therefore intended to fall within the scope of the claims. All changes within the meaning and scope of the equivalents of , are included in the present invention. Any reference signs in the claims shall not be construed as limiting the involved claim.

In addition, it should be understood that although this specification is described in terms of embodiments, not each embodiment only includes an independent technical solution, and this description in the specification is only for the sake of clarity, and those skilled in the art should take the specification as a whole , the technical solutions in each embodiment can also be appropriately combined to form other implementations that can be understood by those skilled in the art.

Claims (7)

1. The utility model provides a use what dynamics can finely tune prevents falling pen which characterized in that: comprises an inner penholder (1), an adjustable front shell (2), a rear penholder (3), a refill (5) and a return spring (6); an outer ring bulge (11) is arranged outside the inner penholder (1); the adjustable front shell (2) consists of an internal resistance ring (21), one or more adjustable fixing rods (23) and a fixing rod accommodating groove (24), the adjustable fixing rods (23) are arranged in the fixing rod accommodating groove (24), and external threads are arranged at the end, close to the adjustable fixing rods (23), of the adjustable front shell (2); the tail part of the rear pen container (3) is provided with a pen core fixing seat, and the front part of the rear pen container is provided with an internal thread; the internal thread of the rear pen container (3) is in threaded fit with the external thread of the adjustable front container (2); the inner penholder (1) is sleeved in the adjustable front shell (2) in a sliding manner; a fixed inner salient point (232) is arranged on the inner side of the adjustable fixing rod (23), and the fixed inner salient point (232) is clamped with the outer annular salient point (11); the outer part of the adjustable fixed rod (23) is provided with an inclined slope (231) with a certain gradient;

the inclined slope (231) changes along with the matching degree of the internal thread of the rear pen container (3) and the external thread of the adjustable front shell body (2), the inclined slope (231) can force the adjustable fixing rod (23) to perform internal pressure, the fixed inner salient point (232) can be indirectly caused to generate displacement change, and the clamping force of the fixed inner salient point (232) and the outer annular salient point (11) in mutual clamping is influenced.

2. The drop-resistant pen with the finely-adjustable force level of use of claim 1, wherein: the inner diameter of the inner resistance ring (21) is smaller than that of the outer ring protrusion (11); the outer ring protrusion (11) is smaller than the inner diameter of the adjustable front shell (2).

3. The drop-resistant pen with the finely-adjustable force level of use of claim 2, wherein: the inclination angle of the inclined slope (231) is 1-6 degrees, and the larger the inclination angle is, the stronger the adjusting fastening effect is when the matching degree of the internal thread of the same rear pen container (3) and the external thread of the adjustable front shell (2) is.

4. The drop-resistant pen with the finely-adjustable force level of use of claim 3, wherein: the front end of the inner penholder (1) is also provided with an acting ring (7); the force application ring (7) is sleeved with the front end of the inner penholder (1) and is installed in a matched mode through threads or buckles.

5. The drop-resistant pen with the finely-adjustable force level of use of claim 4, wherein: the surface of the adjustable front shell (2) is provided with a soft rubber circular cut (22); a soft glue groove is formed between the soft glue circular cutter (22) and the rear pen container (3); and a soft rubber ring (4) is sleeved in the soft rubber groove.

6. The drop-resistant pen with the finely-adjustable force level of use of claim 5, wherein: the soft rubber ring (4) has certain elasticity and deformation force; therefore, when the distance between the rear pen container (3) and the adjustable front shell (2) changes in a floating mode, the rear pen container and the adjustable front shell can be covered by the soft rubber ring (4).

7. The drop-resistant pen with the finely-adjustable use force according to any one of claims 1 to 6, is characterized in that: the maximum distance of the outer exposed adjustable front shell (2) of the inner penholder (1) is not more than 36 mm.

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