CN212098123U - Rotary pressure reducing pen - Google Patents

Abstract

The utility model relates to a rotatory decompression pen, including pen-holder, pen-cap, the cover is equipped with the rotatable rotating member of relative pen-holder on the one end outer wall that the nib was kept away from to the pen-holder, the pen-cap cover is established when keeping away from the one end of nib at the pen-holder, clearance fit just between pen-cap and the pen-holder form the anti-drop structure between pen-cap and the rotating member. The tail end of the penholder is provided with the rotating piece which can rotate relative to the penholder, so that the pen cap sleeved at the tail end of the penholder is matched with the rotating piece instead of the penholder, and the pen cap can rotate smoothly relative to the penholder.

Description

Rotary pressure reducing pen

Technical Field

The utility model relates to a rotatory decompression pen.

Background

The pen is the most commonly used instrument in work and study, and the pen that present majority was equipped with the pen cap can establish the pen cap cover at the pen-holder tail end when using, can set up anti-drop structure in addition between pen cap and pen-holder tail end usually, and is common, has to realize preventing the pen-holder from droing through spacing lug and spacing recess cooperation, has to make interference fit between pen cap and the pen-holder realize preventing the pen cap from droing. At present, most people have large pressure during work or study, when many people use the pen, the pressure reduction can be hopefully achieved by consciously or unconsciously rotating the pen cap at the tail end of the pen, but the anti-falling structure between the pen cap and the tail end usually forms large resistance to enable the pen cap to rotate unsmoothly, so that the pressure reduction can not be achieved by users, and even the dysphoria can be increased.

SUMMERY OF THE UTILITY MODEL

The utility model aims at overcoming the defects existing in the prior art and providing a rotary pressure-reducing pen.

The utility model discloses the technical scheme who takes as follows: the utility model provides a rotatory decompression pen, includes pen-holder, pen cover, the cover is equipped with the rotatable rotating member of relative pen-holder on the pen-holder one end outer wall of keeping away from the nib, the pen cover is established when the pen-holder one end of keeping away from the nib, clearance fit just form anti-drop structure between pen cover and the rotating member between pen cover and the pen-holder.

The outer wall of the pen holder is provided with an annular groove, the rotating piece is arranged in the annular groove, the inner diameter of the rotating piece is matched with the outer diameter of the pen holder, and the matched surfaces of the pen holder and the rotating piece are cylindrical surfaces.

The outer wall of the pen holder is provided with an annular groove, the rotating piece is arranged in the annular groove, a gap is reserved between the rotating piece and the pen holder, and a rolling body is arranged between the rotating piece and the pen holder.

And a lubricant is arranged between the rotating piece and the pen holder.

And a bearing is arranged between the pen holder and the rotating piece, and an inner ring and an outer ring of the bearing are respectively connected with the pen holder and the rotating piece.

The bearing is a rolling bearing.

The pen cap is characterized in that a limiting lug or a limiting groove is formed in the inner wall of the pen cap, a limiting groove or a limiting lug is formed in the outer wall of the rotating piece, the pen cap is sleeved at one end, away from the pen point, of the pen holder, and the limiting lug is located in the limiting groove to form an anti-falling structure.

The limiting groove is an annular groove.

When the pen cap is sleeved at one end of the pen holder far away from the pen point, the pen cap and the rotating piece are in interference fit to form an anti-falling structure.

The utility model has the advantages as follows: the tail end of the penholder is provided with the rotating piece which can rotate relative to the penholder, so that the pen cap sleeved at the tail end of the penholder is matched with the rotating piece instead of the penholder, and the pen cap can rotate smoothly relative to the penholder.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings obtained from these drawings still belong to the scope of the present invention without inventive laboriousness.

FIG. 1 is a schematic structural view of a pen cap sleeved at the tail end of a pen holder when the pen is used;

FIG. 2 is a sectional view of the pen cap sleeved at the tail end of the pen holder in the embodiment 1;

FIG. 3 is a sectional view of the pen cap fitted over the rear end of the barrel according to embodiment 2;

FIG. 4 is a sectional view of the pen cap sleeved at the tail end of the pen holder according to embodiment 3;

in the figure, 1, a pen holder; 2, a pen cap; 3, a rotating member; 4, rolling bodies; 5, a bearing; 6, limiting the bump; 7, limiting grooves.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention clearer, the present invention will be described in further detail with reference to the accompanying drawings.

The terms of direction and position in the present invention, such as "up", "down", "front", "back", "left", "right", "inside", "outside", "top", "bottom", "side", etc., refer to the direction and position of the attached drawings. Accordingly, the use of directional and positional terms is intended to illustrate and understand the present invention and is not intended to limit the scope of the invention.

Example 1:

as shown in fig. 1 and 2, a rotary pressure-reducing pen comprises a pen holder 1 and a pen cap 2, wherein a rotary piece 3 which is rotatable relative to the pen holder 1 is sleeved on the outer wall of one end, away from a pen point, of the pen holder 1, the pen cap 2 is sleeved on one end, away from the pen point, of the pen holder 1, and an anti-falling structure is formed between the pen cap 2 and the pen holder 1 in a clearance fit mode.

Specifically, in this embodiment, the outer wall of the pen holder 1 is provided with an annular groove, the rotating member 3 is arranged in the annular groove, the inner diameter of the rotating member is matched with the outer diameter of the pen holder 1, and the surfaces of the pen holder 1 and the rotating member 3 which are matched with each other are cylindrical surfaces. Namely, the rotating piece 3 is in sliding fit with the pen holder 1, the resistance to the rotation of the rotating piece 3 is sliding friction, and the surfaces of the pen holder 1 and the rotating piece 3 which are matched with each other are cylindrical surfaces, so that the smoothness is better, and the resistance is smaller.

And a lubricant is arranged between the rotating piece 3 and the penholder 1. This can reduce sliding friction between the barrel 1 and the rotary member 3.

As shown in fig. 2, the inner wall of the cap 2 is provided with a limiting projection 6 or a limiting groove 7 and the outer wall of the rotating member 3 is provided with a limiting groove 7 or a limiting projection 6, when the cap 2 is sleeved on one end of the pen holder 1 far away from the pen point, the limiting projection 6 is located in the limiting groove 7 to form an anti-falling structure. In this embodiment, be equipped with spacing lug 6 on the inner wall of pen cover 2 and be equipped with spacing recess 7 on the 3 outer walls of rotating member, also can be equipped with spacing recess 7 on the inner wall of pen cover 2 and be equipped with spacing lug 6 on the 3 outer walls of rotating member. In the drawings, the outer diameter of the rotary member 3 is smaller than that of the barrel 1, and the outer diameter of the rotary member 3 may be equal to or larger than that of the barrel 1. The rotating member 3 is made of rigid material.

An anti-falling structure can be formed between the pen cap 2 and the rotating piece 3 by adopting an interference fit structure, so that the outer diameter of the rotating piece 3 is required to be larger than that of the pen holder 1, or a convex ring or a convex block is arranged in the pen cap 2 and used for being in interference fit with the rotating piece 3.

The limiting groove 7 is an annular groove. Thus, the pen cap 2 can form an anti-falling structure with the rotating piece 3 at any angle.

Example 2:

as shown in fig. 1 and 3, a rotary pressure-reducing pen comprises a pen holder 1 and a pen cap 2, wherein a rotary piece 3 which is rotatable relative to the pen holder 1 is sleeved on the outer wall of one end, away from a pen point, of the pen holder 1, the pen cap 2 is sleeved on one end, away from the pen point, of the pen holder 1, and an anti-falling structure is formed between the pen cap 2 and the pen holder 1 in a clearance fit mode.

Specifically, in this embodiment, the outer wall of the pen holder 1 is provided with an annular groove, the rotating element 3 is arranged in the annular groove, a gap is formed between the rotating element 3 and the pen holder 1, and a rolling element 4 is arranged between the rotating element 3 and the pen holder 1. The resistance to the rotation of the rotary member 3 is a rolling friction force by the provision of the rolling elements 4, and the resistance is smaller. In the present embodiment, the rolling elements 4 are rolling balls, but a roller structure may be adopted.

And a lubricant is arranged among the rotating piece 3, the rolling body 4 and the penholder 1. The rolling friction force is reduced.

As shown in fig. 3, the inner wall of the cap 2 is provided with a limiting projection 6 or a limiting groove 7 and the outer wall of the rotating member 3 is provided with a limiting groove 7 or a limiting projection 6, when the cap 2 is sleeved on one end of the pen holder 1 far away from the pen point, the limiting projection 6 is located in the limiting groove 7 to form an anti-falling structure. In this embodiment, be equipped with spacing lug 6 on the inner wall of pen cover 2 and be equipped with spacing recess 7 on the 3 outer walls of rotating member, also can be equipped with spacing recess 7 on the inner wall of pen cover 2 and be equipped with spacing lug 6 on the 3 outer walls of rotating member. The rotating member 3 is made of rigid material.

In the drawings, the outer diameter of the rotary member 3 is larger than that of the barrel 1, and the outer diameter of the rotary member 3 may be equal to or smaller than that of the barrel 1. An anti-falling structure can be formed between the pen cap 2 and the rotating piece 3 by adopting an interference fit structure, so that the outer diameter of the rotating piece 3 is required to be larger than that of the pen holder 1, or a convex ring or a convex block is arranged in the pen cap 2 and used for being in interference fit with the rotating piece 3.

The limiting groove 7 is an annular groove.

Example 3:

as shown in fig. 1 and 4, a rotary pressure-reducing pen comprises a pen holder 1 and a pen cap 2, wherein a rotary piece 3 which is rotatable relative to the pen holder 1 is sleeved on the outer wall of one end, away from a pen point, of the pen holder 1, the pen cap 2 is sleeved on one end, away from the pen point, of the pen holder 1, and an anti-falling structure is formed between the pen cap 2 and the pen holder 1 in a clearance fit mode.

Specifically, in the present embodiment, a bearing 5 is disposed between the barrel 1 and the rotary member 3, and an inner ring and an outer ring of the bearing 5 are respectively connected to the barrel 1 and the rotary member 3.

The bearing 5 is a rolling bearing. The bearing 5 can adopt a small-sized bearing which is commonly available on the market and has a size suitable for being arranged on a pen holder. The bearing 5 serves both to reduce the resistance to rotation of the rotary member 3 and to support the rotary member 3, so that it is not necessary for the present embodiment to provide an annular groove outside the barrel as in embodiments 1 and 2.

When the pen cap 2 is sleeved at one end of the pen holder 1 far away from the pen point, the pen cap 2 and the rotating piece 3 are in interference fit to form an anti-falling structure. The outer diameter of the rotating piece 3 needs to be larger than that of the penholder 1, or a convex ring or a convex block is arranged in the pen cover 2 and used for being in interference fit with the rotating piece 3. The anti-drop structure formed by the limit projection 6 and the limit groove 7 in the embodiments 1 and 2 can also be adopted.

In this embodiment, the rotating member 3 may be made of an elastic material and made into an annular elastic member, and the annular elastic member is sleeved outside the outer ring of the bearing 5.

The above disclosure is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the scope of the invention, which is defined by the appended claims.

Claims (9)

1. The utility model provides a rotatory decompression pen, includes pen-holder (1), pen cap (2), its characterized in that: the pen cap is characterized in that a rotating piece (3) which is rotatable relative to the pen holder (1) is sleeved on the outer wall of one end, far away from the pen point, of the pen holder (1), the pen cap (2) is sleeved at one end, far away from the pen point, of the pen holder (1), and an anti-falling structure is formed between the pen cap (2) and the rotating piece (3) in a clearance fit mode.

2. The rotary pressure relief pen of claim 1, wherein: the outer wall of the pen holder (1) is provided with an annular groove, the rotating piece (3) is arranged in the annular groove, the inner diameter of the rotating piece is matched with the outer diameter of the pen holder (1), and the surfaces of the pen holder (1) and the rotating piece (3) which are matched with each other are cylindrical surfaces.

3. The rotary pressure relief pen of claim 1, wherein: the outer wall of the pen holder (1) is provided with an annular groove, the rotating piece (3) is arranged in the annular groove, a gap is reserved between the rotating piece (3) and the pen holder (1), and a rolling body (4) is arranged between the rotating piece (3) and the pen holder (1).

4. A rotary pressure reducing pen according to claim 2 or 3, wherein: and a lubricant is arranged between the rotating piece (3) and the pen holder (1).

5. The rotary pressure relief pen of claim 1, wherein: a bearing (5) is arranged between the pen holder (1) and the rotating piece (3), and an inner ring and an outer ring of the bearing (5) are respectively connected with the pen holder (1) and the rotating piece (3).

6. The rotary pressure relief pen of claim 5, wherein: the bearing (5) is a rolling bearing.

7. A rotary pressure reducing pen according to any one of claims 1 to 3, 5 or 6, wherein: be equipped with spacing lug (6) or spacing recess (7) on the inner wall of pen cover (2) and be equipped with spacing recess (7) or spacing lug (6) on rotating member (3) outer wall, pen cover (2) cover is established when keeping away from the one end of nib in pen-holder (1), spacing lug (6) are located and form anti-drop structure in spacing recess (7).

8. The rotary pressure relief pen of claim 7, wherein: the limiting groove (7) is an annular groove.

9. A rotary pressure reducing pen according to any one of claims 1 to 3, 5 or 6, wherein: when the pen cap (2) is sleeved at one end of the pen holder (1) far away from the pen point, the pen cap (2) and the rotating piece (3) are in interference fit to form an anti-falling structure.

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