CN218519443U

CN218519443U - Pen with conveniently replaced refill

Info

Publication number: CN218519443U
Application number: CN202222429799.9U
Authority: CN
Inventors: 姚建
Original assignee: Individual
Current assignee: Individual
Priority date: 2022-09-14
Filing date: 2022-09-14
Publication date: 2023-02-24
Anticipated expiration: 2032-09-14

Abstract

The utility model relates to a conveniently change pen of refill belongs to stationery technical field. The pen mainly comprises a pen tube, a pen core and an elastic clamping barrel, wherein a through hole for the pen core to enter is formed in the top end of the pen tube, a conical opening with a downward tip is formed in the bottom end of the pen tube, a deformation groove is formed in the conical opening along a bus, the elastic clamping barrel is butted at the bottom end of the pen tube, the pen core is installed in the pen tube, and the upper end and the lower end of a limiting edge of the pen core are supported and positioned through the elastic opening and the elastic clamping barrel respectively; when the refill is replaced, a new refill is put in from the tail of the pen holder, the old refill is pushed to extrude the elastic clamping barrel, the elastic clamping barrel is deformed by overcoming the elasticity of the elastic clamping barrel, the old refill can be taken out smoothly, the extrusion force of the new refill on the elastic port overcomes the elasticity of the elastic port to deform the elastic port to pass through, the upper end and the lower end of the limiting edge of the new refill are supported and positioned by the elastic port and the elastic clamping barrel respectively, and the refill can be prevented from shaking when in use; need not to dismantle any part, simple structure, convenient operation need not to worry that the part loses.

Description

Pen with conveniently replaced refill

Technical Field

The utility model belongs to the technical field of stationery, concretely relates to conveniently change pen of refill.

Background

The pen is widely used in daily life, and the pen core is required to be replaced when the pen point is damaged or ink is used up; the prior art is a combined structure of various parts, when a refill is replaced, a refill sleeve and a front end cover of a pen holder need to be taken down, a new refill is inserted into the pen holder after the old refill is taken out, and the front end cover is installed; the pen holder and the front end cover are usually in threaded connection, threads are easy to damage, parts are easy to lose in the dismounting process, the operation is complex, the dismounting and the mounting are relatively time-consuming, the inconvenience of replacing the pen core is caused, and the time waste is caused.

Disclosure of Invention

In order to overcome the problems that threads are easy to damage in the background technology, parts are easy to lose in the process of disassembly, the replacement of the pen core needs disassembly and installation, the operation is complex, the replacement of the pen core is inconvenient, and the waste of time is caused, the utility model provides a pen with the conveniently replaced pen core, wherein the pen core is limited and fixed through an elastic opening of a pen tube and an elastic clamping barrel; when the refill is installed, the refill enters the pen tube from the top end of the pen tube, the extrusion force of the refill on the elastic port overcomes the elastic force of the elastic port to enable the elastic port to deform and pass through, and the upper end and the lower end of the limiting edge of the refill are supported and positioned through the elastic port and the elastic clamping barrel respectively, so that the refill can be prevented from shaking in use; when the refill needs to be replaced, a new refill is put in from the tail of the penholder, the old refill is pushed to extrude the elastic clamping barrel, the elastic clamping barrel is deformed by overcoming the elasticity of the elastic clamping barrel, and the old refill can be taken out smoothly; the pen core can only enter the top end of the pen tube and be taken out from the bottom end of the pen tube through the elastic opening of the pen tube and the elastic clamping barrel; need not to dismantle any part, simple structure, convenient operation need not to worry that the part loses.

In order to achieve the above purpose, the utility model is realized by the following technical scheme: the utility model provides a conveniently change pen of refill mainly includes pen tube 1, refill 2,

elasticity clamp

3, 1 top of pen tube be equipped with the through-hole 10 that supplies refill 2 to get into, 1 bottom of pen tube is most advanced downward tapered mouth, has seted up deformation groove 11 along the generating line on the tapered mouth and has formed elasticity mouth 12, elasticity clamp 3 butt joint is in the bottom of pen tube 1, refill 2 is installed in pen tube 1, the spacing edge 21 upper and lower end of refill is respectively through elasticity mouth 12 and elasticity clamp 3 support positioning.

Further, the elastic clamping barrel 3 is in threaded connection with the bottom end of the pen tube 1, the bottom end of the elastic clamping barrel 3 is of a conical structure, and a deformation joint 31 is formed in the conical structure along the direction of a bus.

Further, the bottom end of the pen tube 1 is sleeved with a pen cap 4.

Further, the pen tube 1 is provided with a sliding groove 13 along the axial direction, two ends of the sliding groove 13 are provided with clamping grooves 14, a convex block 15 matched with the sliding groove 13 and the clamping grooves 14 is arranged inside the pen cap 4, the pen cap 4 is sleeved on the pen tube 1, the convex block 15 is embedded in the sliding groove 13 in a sliding mode, and the bottom end of the pen cap 4 is provided with an opening 41 for the pen core 2 to pass through.

The utility model has the advantages that:

the utility model can limit and fix the refill through the elastic opening of the pen tube and the elastic clamping barrel; when the refill is installed, the refill enters the pen tube from the top end of the pen tube, the extrusion force of the refill on the elastic port overcomes the elasticity of the elastic port to enable the elastic port to deform and pass through, and the upper end and the lower end of the limiting edge of the refill are supported and positioned through the elastic port and the elastic clamping barrel respectively, so that the refill can be prevented from shaking in use; when the refill needs to be replaced, a new refill is put in from the tail of the pen tube, the old refill is pushed to extrude the elastic clamping barrel, the elastic clamping barrel is deformed by overcoming the elasticity of the elastic clamping barrel, the old refill can be taken out smoothly, the new refill overcomes the elasticity of the elastic opening to deform the elastic opening and pass through, and the upper end and the lower end of the limiting edge of the new refill are supported and positioned through the elastic opening and the elastic clamping barrel respectively; the pen core can only enter the top end of the pen tube and be taken out from the bottom end of the pen tube through the elastic opening of the pen tube and the elastic clamping barrel; need not to dismantle any part, simple structure, convenient operation need not to worry that the part loses, and the change is fast.

Drawings

Fig. 1 is a schematic view of the closed state of the present invention.

Fig. 2 is a schematic view of the open state of the present invention.

Fig. 3 is a partially enlarged schematic view of a portion a of fig. 2.

Fig. 4 is a perspective view of the pen barrel of the present invention.

Fig. 5 is a perspective view of the elastic clip of the present invention.

Fig. 6 is a schematic view of the pen cap of the present invention.

Fig. 7 is a perspective view of the open state of the present invention.

Fig. 8 is a perspective view of the present invention without a cap.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention clearer, the following will explain in detail a preferred embodiment of the present invention with reference to the accompanying drawings to facilitate understanding of the skilled person.

The utility model discloses a pen convenient for replacing a refill, which mainly comprises a pen tube 1, a refill 2 and an elastic clamping barrel 3, wherein the top end of the pen tube 1 is provided with a through hole 10 for the refill 2 to enter, the bottom end of the pen tube 1 is a conical opening with the pointed end facing downwards, a deformation groove 11 is arranged on the conical opening along a bus to form an elastic opening 12, the elastic clamping barrel 3 is butted at the bottom end of the pen tube 1, the refill 2 is arranged in the pen tube 1, and the upper end and the lower end of a limit edge 21 of the refill are respectively supported and positioned by the elastic opening 12 and the elastic clamping barrel 3; the refill 2 is limited and fixed through the elastic opening 12 of the pen tube 1 and the elastic clamping barrel 3; when the refill 2 is installed, the refill 2 enters the pen tube 1 from the top end of the pen tube 1, the extrusion force of the refill 2 on the elastic port 12 overcomes the elastic force of the elastic port 12 to enable the elastic port 12 to deform and pass through, the upper end and the lower end of the limiting edge 21 of the refill 2 are respectively supported and positioned by the elastic port 12 and the elastic clamping barrel 3, and the refill can be prevented from shaking when in use; when the refill 2 needs to be replaced, a new refill 2 is put in from the top of the pen tube 1, the old refill is pushed to extrude the elastic clamping barrel 3, the elastic clamping barrel is deformed by overcoming the elasticity of the elastic clamping barrel 3, the old refill can be taken out smoothly, the new refill 2 overcomes the elasticity of the elastic opening 12 to deform the elastic opening 12 and pass through, and the upper end and the lower end of the limiting edge 21 of the new refill 2 are supported and positioned through the elastic opening 12 and the elastic clamping barrel 3 respectively; the pen core 2 can only enter the top end of the pen tube 1 and be taken out from the bottom end through the elastic opening 12 of the pen tube 1 and the elastic clamping barrel 3; need not to dismantle any part, simple structure, convenient operation need not to worry that the part loses, and the change is fast.

Elastic clamp section of

thick bamboo

3 and 1 bottom threaded connection of pen tube, elastic clamp section of thick bamboo 3 bottom is the tapered structure, the deformation joint 31 has been seted up along the generating line direction to the tapered structure, the tapered structure can support spacing reason 21 of refill 2 during the normality, avoids the refill roll-off, has seted up deformation joint 31, increases the deformability of tapered structure, when spacing reason 21's low pressure is great (when changing the refill), the tapered structure can warp, satisfies refill 2 and passes through smoothly.

The pen cap 4 is sleeved at the bottom end of the pen tube 1, the pen tube 1 is provided with a sliding groove 13 along the axial direction, clamping grooves 14 are formed at two ends of the sliding groove 13, a convex block 15 matched with the sliding groove 13 and the clamping grooves 14 is arranged inside the pen cap 4, the pen cap 4 is sleeved on the pen tube 1, the convex block 15 can be embedded in the sliding groove 13 in a sliding mode, and an opening 41 for the pen core 2 to pass through is formed in the bottom end of the pen cap 4; the convex block 15 can be slidably embedded in the sliding groove 13, so that the pen cap 4 can be slidably mounted, the pen cap 4 is in a closed state when moving downwards (as shown in figure 1), and the pen cap 4 covers the pen head, so that the pen head is prevented from being damaged and ink pollution caused in the carrying process is avoided; when the pen cap 4 moves upwards (as shown in fig. 2), the pen cap 4 is in an open state, the pen cap 4 is supported at the bottom of the elastic clip barrel 3 to support the elastic clip barrel 3, and the pen core can not be replaced in a small state; when the projection 15 slides to the end of the sliding groove 13, the pen cap 4 can be rotated, so that the projection 15 is embedded into the clamping groove 14, and the projection 15 is embedded into the clamping groove 14 in an interference manner to keep stable.

The working process is as follows:

when the refill 2 needs to be replaced, the pen cap 4 is moved downwards (as shown in figure 1), a new refill 2 is put in from the top of the pen tube 1, the old refill is pushed to extrude the elastic clamping barrel 3, the elastic clamping barrel is deformed by overcoming the elasticity of the elastic clamping barrel 3, the old refill can be taken out smoothly, the new refill 2 overcomes the elasticity of the elastic opening 12 to deform the elastic opening 12 to pass through, and the upper end and the lower end of the limiting edge 21 of the new refill 2 are supported and positioned by the elastic opening 12 and the elastic clamping barrel 3 respectively, so that the replacement work of the refill 2 is completed; the pen core 2 can only enter the top end of the pen tube 1 and be taken out from the bottom end through the elastic opening 12 of the pen tube 1 and the elastic clamping barrel 3; need not to dismantle any part, simple structure, convenient operation need not to worry that the part loses, and the change is fast.

Finally, it is noted that the above-mentioned preferred embodiments illustrate rather than limit the invention, and that, although the invention has been described in detail with reference to the above-mentioned preferred embodiments, it will be understood by those skilled in the art that various changes in form and details may be made therein without departing from the scope of the invention as defined by the appended claims.

Claims

1. The utility model provides a conveniently change pen of refill which characterized in that: the pen convenient for replacing the pen core comprises a pen tube (1), the pen core (2) and an elastic clamping barrel (3), wherein a through hole (10) for the pen core (2) to enter is formed in the top end of the pen tube (1), a conical opening with the tip facing downwards is formed in the bottom end of the pen tube (1), a deformation groove (11) is formed in the conical opening along a bus, the elastic clamping barrel (3) is butted at the bottom end of the pen tube (1), the pen core (2) is installed in the pen tube (1), and the upper end and the lower end of a limiting edge (21) of the pen core are supported and positioned through the elastic opening (12) and the elastic clamping barrel (3) respectively.

2. The pen facilitating refill replacement according to claim 1, wherein: elastic clamp section of thick bamboo (3) and pencil (1) bottom threaded connection, elastic clamp section of thick bamboo (3) bottom is the tapered structure, tapered structure is gone up and has been seted up movement joint (31) along the generating line direction.

3. A pen facilitating refill replacement as claimed in claim 1 or 2, wherein: the pen cap (4) is sleeved at the bottom end of the pen tube (1).

4. A pen facilitating refill replacement as claimed in claim 3, wherein: the pen cap is characterized in that an axial sliding groove (13) is formed in the pen tube (1), clamping grooves (14) are formed in two ends of the sliding groove (13), a protruding block (15) matched with the sliding groove (13) and the clamping grooves (14) is arranged inside the pen cap (4), the pen cap (4) is sleeved on the pen tube (1), the protruding block (15) is embedded in the sliding groove (13) in a sliding mode, and an opening (41) for the pen core (2) to pass through is formed in the bottom end of the pen cap (4).