CN204354631U - Anti-dry marking pen - Google Patents

Abstract

A field survey tool, that is, a dry-proof marker pen, including a pen holder, a push-to-expand device, a refill connected to the press-to-retract device, a spring covering the lower part of the refill, protrusions on both sides of the middle and lower part of the refill, and one end of the spring It is set on the pen core and stuck on the raised part, and the other end is in contact with the stopper on the side of the pen mouth inside the pen holder. There is an openable silicone sheet closely connected with the pen holder from the lower part of the stopper to the pen mouth, and the silicone sheet is connected to the pen holder. Form a sealed space. The tip of the pen comes out when you press it, and it returns when you press it again, which is very convenient to use; the silicone sheet can effectively reduce the circulation of air inside and outside the pen and prevent the pen from drying out.

Description

anti-dry marker

technical field

The utility model relates to a field survey tool, namely a dry-proof marking pen.

Background technique

In the prior art, it is necessary to carry a marker pen with you for field survey operations. General marker pens are capped. When using it, you need to take off the cap first, and then write. It is very inconvenient to use in the field. It cannot be sealed well, causing the marker pen to dry frequently and cannot be used, resulting in waste.

Utility model content

The purpose of this utility model is to provide a kind of easy-to-use, anti-dry marker pen for above-mentioned deficiency.

The technical solution of the utility model is: an anti-drying marker pen, comprising a pen holder, a push expansion device inside the pen holder, a pen core connected with the press expansion device, and a spring set at the lower part of the pen core; There is an openable and closable silicone sheet closely connected with the pen holder from the lower part of the stopper to the pen mouth, and the silicone sheet and the pen holder form a sealed space. The silicone sheet is in the shape of a cross opening.

The advantages of this utility model are: 1. The nib will come out as soon as you press it, and it will come back as soon as you press it again, which is very convenient to use. 2. The silicone sheet can effectively reduce the circulation of air inside and outside the pen and prevent the pen from drying out.

Embodiments of the utility model will be further described in detail below in conjunction with the accompanying drawings. The descriptions above or below are only specific implementations of the present utility model, and various illustrations do not limit the essence of the present utility model.

Description of drawings

Fig. 1 is a schematic diagram of the structure of the utility model.

Figure 2 is a schematic diagram of the structure of the silica gel sheet.

Detailed ways

See Figure 1 and Figure 2, the names of the parts are as follows: 1. Pen holder; 2. Press the retractable device; 3. Pen core; 4. Spring; 5. Protrusion; piece.

Referring to Fig. 1 and Fig. 2, an anti-drying marker pen includes a pen holder 1, a press telescopic device 2, a refill 3 connected with the press telescopic device 2, a spring 4 set at the lower part of the refill 3, and the refill 3 There are protrusions 5 on both sides of the lower part, one end of the spring 4 is set on the refill 3 and stuck at the protrusion 5, and the other end is in contact with the stopper 7 on the side of the pen mouth 6 inside the pen holder 1, the material of the refill 3 and the protrusion 5 Be hard plastic material, can bear the oppression of spring 4. There is an openable and closable silica gel sheet 8 closely connected with the penholder 1 at the lower part of the stand 7 to the pen opening 6. The silica gel sheet 8 is a cross opening, and the silica gel sheet 8 and the penholder 1 form a sealed space. When in use, after pressing the telescopic device 2 with finger pressure, the nib is pushed out of the silicone sheet 8 and reaches the pen mouth 6, and can write, and after pressing the telescopic device 2 again, the nib is retracted into the silicone sheet 8, and so on. It can be stretched arbitrarily.

Claims (2)

1. an anti-dry marking pen, comprises penholder (1), it is characterized in that having in penholder (1) press retractor device (2), with press the pen core (3) that retractor device (2) is connected, the spring (4) being enclosed within pen core (3) bottom; Penholder (1) inner bottom part has gear platform (7), gear platform (7) bottom be equipped with to pen mouth (6) place close-connected with penholder (1) can the silica gel piece (8) of folding, silica gel piece (8) and penholder (1) form seal cavity.

2., according to anti-dry marking pen according to claim 1, it is characterized in that silica gel piece (8) is cross open type.