CN212022106U - Telescopic pen using elastic sheet structure - Google Patents

Abstract

The utility model relates to the technical field of pens, in particular to a telescopic pen utilizing a spring plate structure, which comprises a pen head, a pen body, a pen cap and a pressing mechanism arranged inside the pen cap, wherein the pen head is in threaded connection with the pen body, the pen body is in threaded connection with the pen cap, the pressing mechanism comprises a PCB (printed circuit board) fixedly arranged inside the pen cap, the tail end of the PCB is fixedly provided with a pressing switch, one side of the pressing switch is provided with a spring plate support, the spring plate is arranged on the spring plate support, one side of the spring plate support is provided with a silica gel cap, and the telescopic pen utilizes the press key cap to drive the silica gel cap to deform, thereby driving the spring plate to deform, further extruding the pressing switch to realize the opening and closing of LED lamp beads on the PCB; meanwhile, the elastic sheet is thin, so that a large space cannot be occupied, and the deformation range of the elastic sheet is small, so that the key force satisfied by a client can be achieved; this is a more space-saving solution than the conventional spring solution.

Description

Telescopic pen using elastic sheet structure

Technical Field

The utility model relates to a pen technical field specifically is an utilize shell fragment structure's concertina type pen.

Background

The common telescopic pen structure has a defect that a spring is needed for a top switch, and the hand feeling strength of a key is adjusted by the thickness of the length of the spring; this has a drawback that it is difficult to change the elastic force by the adjustment of the spring when the inner space of the product is very compact. In view of this, we propose a retractable pen using a spring structure.

SUMMERY OF THE UTILITY MODEL

In order to make up for the above deficiencies, the utility model provides a telescopic pen using a spring plate structure.

The technical scheme of the utility model is that:

the utility model provides an utilize shell fragment structure's concertina type pen, includes nib, a body, a cap and locates the inside pressing means of a cap, threaded connection between nib and the body, threaded connection between a body and a cap, pressing means includes fixed mounting in the inside PCB board of a cap, the end of PCB board is fixed with press the switch, one side of press the switch is equipped with the shell fragment support, be equipped with the shell fragment on the shell fragment support, one side of shell fragment support is equipped with the silica gel cap, one side of silica gel cap is equipped with the spacing collar, one side of spacing collar is equipped with the clamping ring, pressing means is still including applying the button cap of effort.

As an optimized technical scheme, the PCB is provided with the LED lamp beads, and the LED lamp beads are connected with the press switch through a circuit arranged on the surface of the PCB.

According to the preferable technical scheme, a first groove used for placing the elastic sheet is formed in the surface of the elastic sheet support, a first through hole is formed in the center of the first groove, and the press switch penetrates through the first through hole.

As a preferred technical scheme, the silica gel cap is composed of a circular bottom ring and a cylindrical protrusion fixed in the middle of the circular bottom ring.

As the preferred technical scheme, the middle of the limiting ring is provided with a second through hole, and the cylindrical protrusion on the silica gel cap penetrates through the second through hole.

As the preferred technical scheme, the side of clamping ring is equipped with the second recess, and the spacing collar is located the second recess, and the centre of clamping ring is equipped with the third perforation.

Preferably, the key cap is composed of a side ring and a pressing protrusion fixed on the side ring, the side ring is located in the second groove, and the pressing protrusion penetrates through the third through hole.

As an optimized technical scheme, the positions, located on the elastic sheet support, the silica gel cap and the pressing ring, of the inner wall of the pen cap are provided with annular grooves used for limiting and fixing the elastic sheet support, the silica gel cap and the pressing ring, and the outer edges of the elastic sheet support, the silica gel cap and the pressing ring are located in the annular grooves.

Compared with the prior art, the beneficial effects of the utility model are that:

the utility model discloses a press the key cap, drive the deformation of silica gel cap to can drive the shell fragment deformation, and then can extrude the press switch, realize opening and closing of LED lamp pearl on the PCB board; meanwhile, the elastic sheet is thin, so that a large space cannot be occupied, and the deformation range of the elastic sheet is small, so that the key force satisfied by a client can be achieved; this is a more space-saving solution than the conventional spring solution.

Drawings

Fig. 1 is a schematic view of the overall structure of the present invention;

fig. 2 is a schematic structural view of a pressing mechanism of the present invention;

fig. 3 is a sectional view of the pressing mechanism of the present invention;

fig. 4 is an enlarged schematic view of a portion a in fig. 3 according to the present invention.

In the figure: the pen comprises a pen point 1, a pen body 2, a pen cap 3, a pressing mechanism 4, a PCB 40, a press switch 41, a spring piece bracket 42, a spring piece 43, a silica gel cap 44, a limiting ring 45, a pressing ring 46 and a key cap 47.

Detailed Description

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. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", 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 to simplify the description, but do not indicate or imply that the device or element 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.

Furthermore, the terms "first", "second", "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, features defined as "first", "second", "third" may explicitly or implicitly include one or more of the features. In the description of the present invention, "a plurality" means two or more unless specifically limited otherwise.

Referring to fig. 1-4, the present invention provides a technical solution:

the utility model provides an utilize telescopic type pen of shell fragment structure, including nib 1, body 2, cap 3 and locate cap 3 inside pressing means 4, threaded connection between nib 1 and the body 2, threaded connection between body 2 and the cap 3, pressing means 4 includes fixed mounting in the inside PCB board 40 of cap 3, PCB board 40's end is fixed with press switch 41, press switch 41's one side and be equipped with shell fragment support 42, be equipped with shell fragment 43 on the shell fragment support 42, one side of shell fragment support 42 is equipped with silica gel cap 44, one side of silica gel cap 44 is equipped with spacing collar 45, one side of spacing collar 45 is equipped with clamping ring 46, pressing means 4 is still including applying the key cap 47 of effort.

As the utility model discloses a preferably, install LED lamp pearl on the PCB board 40, through laying the line connection on PCB board 40 surface between LED lamp pearl and the push switch 41, PCB board 40 and the LED lamp pearl on it constitute luminous portion of pen.

As the utility model discloses a preferably, shell fragment support 42's surface is equipped with the first recess that is used for placing shell fragment 43, and the central point of first recess puts and is equipped with first perforation, and press switch 41 to pass first perforation, is pressing the in-process, because shell fragment 43's deformation can contact with press switch 41.

As the utility model discloses a preferred, silica gel cap 44 comprises circular end ring and the cylindricality arch of being fixed in the middle of the circular end ring, and silica gel cap 44 is used for waterproof and supports the function according to key cap 47.

As the utility model discloses a preferred, the centre of spacing collar 45 is equipped with the second and perforates, and the cylindricality arch on the silica gel cap 44 passes the second and perforates.

As the utility model discloses a preferred, the side of clamping ring 46 is equipped with the second recess, and spacing collar 45 is located the second recess, and the centre of clamping ring 46 is equipped with the third and perforates, and spacing collar 45 is used for the restriction to press button cap 47's stroke to destroy push down switch 41 and shell fragment 43 in pressing the in-process, clamping ring 46 is used for the fixed of 3 afterbody of cap for brush.

As the utility model discloses a preferably, press button cap 47 by the side ring with be fixed in the protruding constitution of pressing on the side ring, the side ring is located the second recess, press the arch and pass the third perforation, and press bellied tip and be located the outside to can press.

It needs to be supplemented that the side surface of the pressing protrusion is provided with a circular groove, the cylindrical protrusion on the silica gel cap 44 is positioned inside the circular groove, and the silica gel cap 44 can be pushed by pressing the key cap 47, so that the silica gel cap 44 is deformed to push the elastic sheet 43 to be deformed, and finally the pressing switch 41 is pressed.

As the utility model discloses a preferred, the inner wall of cap for a brush 3 is located shell fragment support 42, the position of silica gel cap 44 and clamping ring 46 all is equipped with and is used for carrying out spacing fixed annular groove to the three, shell fragment support 42, the outer edge of silica gel cap 44 and clamping ring 46 all is located the annular groove, the setting of three annular groove can realize shell fragment support 42, the spacing of silica gel cap 44 and clamping ring 46 is fixed, again because PCB board 40 is fixed inside cap for a brush 3, shell fragment 43 is located shell fragment support 42, the clamping ring 45 is located between silica gel cap 44 and the clamping ring 46, consequently, above-mentioned setting just can realize whole pressing means 4 at the inside fixed of cap for a brush 3.

It should be noted that the elastic piece bracket 42, the elastic piece 43, the silicone cap 44, the limiting ring 45, the pressing ring 46 and the key cap 47 are all in contact with each other.

When the telescopic pen utilizing the elastic sheet structure is used, the button cap 47 is pressed to drive the silica gel cap 44 to deform, so that the elastic sheet 43 can be driven to deform, and the press switch 41 can be extruded to realize the opening and closing of the LED lamp bead on the PCB 40; meanwhile, the elastic sheet 43 is thin, so that a large space cannot be occupied, and the deformation range of the elastic sheet 43 is small, so that the key force satisfied by a customer can be achieved; this is a more space-saving solution than the conventional spring solution.

The foregoing shows and describes the general principles, essential features, and advantages of the invention. It should be understood by those skilled in the art that the present invention is not limited by the above embodiments, and the description in the above embodiments and the description is only preferred examples of the present invention, and is not intended to limit the present invention, and that the present invention can have various changes and modifications without departing from the spirit and scope of the present invention, and these changes and modifications all fall into the scope of the claimed invention. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims (8)

1. The utility model provides an utilize shell fragment structure's concertina type pen, includes nib (1), body of a pen (2), cap for a pen (3) and locates press mechanism (4) of cap for a pen (3) inside, threaded connection between nib (1) and the body of a pen (2), threaded connection between body of a pen (2) and cap for a pen (3), its characterized in that: pressing means (4) are including fixed mounting in inside PCB board (40) of cap for brush (3), the end of PCB board (40) is fixed with press switch (41), one side of press switch (41) is equipped with shell fragment support (42), be equipped with shell fragment (43) on shell fragment support (42), one side of shell fragment support (42) is equipped with silica gel cap (44), one side of silica gel cap (44) is equipped with spacing collar (45), one side of spacing collar (45) is equipped with clamping ring (46), pressing means (4) are still including applying button cap (47) of effort.

2. A retractable pen using a leaf spring structure as claimed in claim 1, wherein: the LED lamp beads are mounted on the PCB (40), and the LED lamp beads are connected with the press switch (41) through lines arranged on the surface of the PCB (40).

3. A retractable pen using a leaf spring structure as claimed in claim 1, wherein: the surface of the elastic sheet support (42) is provided with a first groove for placing an elastic sheet (43), a first through hole is formed in the center of the first groove, and the press switch (41) penetrates through the first through hole.

4. A retractable pen using a leaf spring structure as claimed in claim 1, wherein: the silica gel cap (44) is composed of a circular bottom ring and a cylindrical bulge fixed in the middle of the circular bottom ring.

5. A retractable pen using a leaf spring structure as claimed in claim 1, wherein: the middle of the limiting ring (45) is provided with a second through hole, and the cylindrical protrusion on the silica gel cap (44) penetrates through the second through hole.

6. A retractable pen using a leaf spring structure as claimed in claim 1, wherein: the side of clamping ring (46) is equipped with the second recess, and spacing collar (45) are located the second recess, and the centre of clamping ring (46) is equipped with the third perforation.

7. A retractable pen using a leaf spring structure as claimed in claim 1, wherein: the button cap (47) is composed of a side ring and a pressing protrusion fixed on the side ring, the side ring is located in the second groove, and the pressing protrusion penetrates through the third through hole.

8. A retractable pen using a leaf spring structure as claimed in claim 1, wherein: the inner wall of the pen cap (3) is located at the positions of the elastic sheet support (42), the silica gel cap (44) and the pressing ring (46) and is provided with an annular groove used for limiting and fixing the elastic sheet support (42), the silica gel cap (44) and the pressing ring (46), and the outer edges of the elastic sheet support (42), the silica gel cap (44) and the pressing ring (46) are located in the annular groove.

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