A pen that prevents children from opening it

Abstract

The invention relates to a pen prevented from being opened by a child. The pen comprises a pen holder, a pen cap, a driving device and a pen refill. The pen refill is arranged in the pen holder, and a protruding ring is arranged on the pen refill. An elastic assembly is arranged at the front end of the pen refill in a sleeved mode. The driving device comprises a connection rod, a clamping head and a positioning device. The pen cap is arranged on the connection rod in a sleeved mode, and the connection rod is fixedly connected with the clamping head. The clamping head is connected with the pen refill, and protruding bars are arranged on the side face of the clamping head. A plurality grooves are formed in the lower end of the pen cap, and the upper ends of the protruding bars are matched with the grooves. The positioning device is fixed to the inner wall of the pen holder and comprises a plurality of sliding bars, the ends of the sliding bars are inclined planes inclining towards the same side, and blocking bars are arranged between the adjacent sliding bars at intervals. The pen refill comprises a pen refill upper portion and a pen refill lower portion, the pen refill upper portion is connected with the clamping head, and the protruding ring is arranged on the pen refill lower portion. The position, located on the pen refill upper portion, on the pen holder is provided with a through hole, and a pull rod is arranged to penetrate through the through hole to be fixedly connected with the pen refill upper portion. According to the pen prevented from being opened by the child, the child can be prevented from opening the pen cap or pressing the pen refill out, and safety is high.

Description

Technical field

[0001] The invention relates to a pen that prevents children from opening. Background technique

[0002] The pen is a major invention of mankind and is a tool for writing or painting. In families with children, after adults use the pen, they often leave the pen in the place where they have finished using the pen. Children often pick up the pen and use it as a toy. With ordinary pens, it is easy for children to press out the refill or open the pen cover. Children holding the pen will scribble, stain clothes or furniture, and the nib is relatively sharp, and scratches on the furniture will make a mark on the furniture. , Damage the furniture, poke the eyes, accidentally hurt the eyes, very dangerous. Summary of the invention

[0003] In view of the shortcomings of the prior art, the present invention provides a pen with high safety that can prevent children from opening the cap or pushing out the pen core.

[0004] In order to solve the above technical problems, the...

Examples

Embodiment Construction

[0015] The present invention will be further described in detail below with reference to the drawings and specific embodiments: see Figure 1-Figure 6 , A pen that prevents children from opening, comprising a pen barrel 1, a pen cap 2, a driving device 3, and a pen core 4. The pen core 4 is arranged in the pen barrel 1, and the pen core 4 is provided with a convex ring 5, so The front end of the pen core 4 is sleeved with an elastic component 6 and the convex ring 5 restricts the upward movement of the elastic component 6. The driving device 3 includes a connecting rod 31, a chuck 32, and a chuck 32 matching The positioning device 33, the cap 2 is sleeved on the connecting rod 31, the connecting rod 31 is fixedly connected with the chuck 32, the chuck 32 is connected with the pen core 4, the chuck 32 is provided with a protruding strip 321, the lower end of the pen cap 2 is provided with a number of grooves 21, all of the grooves 21 are connected and threaded, the upper end of ...

Technical field

[0001] The invention relates to a pen that prevents children from opening. Background technique

[0002] The pen is a major invention of mankind and is a tool for writing or painting. In families with children, after adults use the pen, they often leave the pen in the place where they have finished using the pen. Children often pick up the pen and use it as a toy. With ordinary pens, it is easy for children to press out the refill or open the pen cover. Children holding the pen will scribble, stain clothes or furniture, and the nib is relatively sharp, and scratches on the furniture will make a mark on the furniture. , Damage the furniture, poke the eyes, accidentally hurt the eyes, very dangerous. Summary of the invention

[0003] In view of the shortcomings of the prior art, the present invention provides a pen with high safety that can prevent children from opening the cap or pushing out the pen core.

[0004] In order to solve the above technical problems, the...

Examples

Embodiment Construction

[0015] The present invention will be further described in detail below with reference to the drawings and specific embodiments: see Figure 1-Figure 6 , A pen that prevents children from opening, comprising a pen barrel 1, a pen cap 2, a driving device 3, and a pen core 4. The pen core 4 is arranged in the pen barrel 1, and the pen core 4 is provided with a convex ring 5, so The front end of the pen core 4 is sleeved with an elastic component 6 and the convex ring 5 restricts the upward movement of the elastic component 6. The driving device 3 includes a connecting rod 31, a chuck 32, and a chuck 32 matching The positioning device 33, the cap 2 is sleeved on the connecting rod 31, the connecting rod 31 is fixedly connected with the chuck 32, the chuck 32 is connected with the pen core 4, the chuck 32 is provided with a protruding strip 321, the lower end of the pen cap 2 is provided with a number of grooves 21, all of the grooves 21 are connected and threaded, the upper end of ...

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