CN217124370U

CN217124370U - Ball pen structure

Info

Publication number: CN217124370U
Application number: CN202220081135.5U
Authority: CN
Inventors: 沈科琪
Original assignee: Ningbo Kuqi Stationery Co ltd
Current assignee: Ningbo Kuqi Stationery Co ltd
Priority date: 2022-01-13
Filing date: 2022-01-13
Publication date: 2022-08-05
Anticipated expiration: 2032-01-13

Abstract

The utility model relates to a ball pen structure, including the pen cap and with the end cap of pen cap threaded connection, the both ends opening of pen cap, be equipped with refill installation cover in the pen cap, be equipped with the support cover in the end cap, insert the refill in the refill installation cover, the end of refill runs through support cover and end cap, the outside cover of refill installation cover is equipped with the spring, the one end of spring contacts with the top of support cover, the other end of spring contacts with the spacing ring on the refill installation cover, the one end of refill installation cover far away from the end cap is pegged graft and is had the adapter sleeve, be equipped with annular limiting plate on the global of adapter sleeve, be equipped with a plurality of elasticity spacing teeth on the inner wall of pen cap, elasticity spacing tooth is located the top of annular limiting plate, the slope setting of elasticity spacing tooth is on the inner wall of pen cap, when the refill is in the state of withdrawing, the adapter sleeve is in the state of withdrawing under the effect of spring, at this moment, the tip of elasticity spacing tooth is contradicted with annular limiting plate, the firmness of the installation of the connecting sleeve is guaranteed, and the connecting sleeve is prevented from popping up from the end part of the pen cap.

Description

Ball pen structure

Technical Field

The utility model belongs to the technical field of the writing instrument and specifically relates to a ball pen structure is related to.

Background

Ball-point pens are pens in which the writing medium is carried out by rolling a ball at the front end of the pen or refill. A ball-point pen is a pen using a minute rotary ball made of brass, steel or tungsten carbide, which releases ink onto paper when writing.

Present ballpoint pen structure mainly includes the pen socket, sets up the refill in the pen socket and controls the flexible press control structure of refill, and current ballpoint pen structure exists refill support unstability and the problem that the press head popped out from the pen socket top easily when in actual use, and this patent is based on current technical problem, improves the ballpoint pen structure.

Disclosure of Invention

The utility model aims at providing a ball pen structure in order to solve the defect that prior art exists.

In order to realize the purpose, the utility model discloses a technical scheme as follows:

a ball pen structure comprises a pen sleeve and an end cap in threaded connection with the pen sleeve, wherein two ends of the pen sleeve are open, a refill mounting sleeve is arranged in the pen sleeve, a supporting sleeve is arranged in the end cap, a refill is inserted into the refill mounting sleeve, the end of the refill penetrates through the supporting sleeve and the end cap, a spring is sleeved on the outer side of the refill mounting sleeve, one end of the spring is in contact with the top of the supporting sleeve, and the other end of the spring is in contact with a limiting ring on the refill mounting sleeve;

a connecting sleeve is inserted at one end of the refill mounting sleeve, which is far away from the end cap, and inserted into the pen sleeve from a port at one end of the pen sleeve, which is far away from the end cap, and one end of the connecting sleeve, which is far away from the refill mounting sleeve, penetrates out from the end part of the pen sleeve;

the circumferential surface of the connecting sleeve is provided with an annular limiting plate, the inner wall of the pen cap is provided with a plurality of elastic limiting teeth, and the elastic limiting teeth are positioned above the annular limiting plate.

Furthermore, the end of the connecting sleeve is connected with a pressing end head.

Furthermore, elasticity spacing tooth inclines on the inner wall of pen socket and sets up, and the free end of elasticity spacing tooth is towards the center of annular limiting plate.

Furthermore, be connected with the elasticity couple on the pen socket, the tip inboard of elasticity couple is equipped with presses the arch, is connected with the elastic positioning strip on the global of refill installation cover, is equipped with fixed slot and the release groove that corresponds with elastic positioning strip tip on the pen socket, presses the protruding outside that is located the pen socket and corresponds with fixed slot, release groove.

Furthermore, the annular limiting plate and the connecting sleeve are integrally formed, and the elastic limiting teeth and the pen cap are integrally formed.

Furthermore, the outer side of the pen cap is provided with an antiskid bulge.

Further, the distance between the end part of the elastic limit tooth and the annular limit plate is the same as the distance between the fixed groove and the release groove.

The utility model has the advantages that: 1. the pen cap is connected with an elastic hook, a pressing bulge is arranged on the inner side of the end part of the elastic hook, an elastic positioning strip is connected on the circumferential surface of the refill mounting sleeve, a fixing groove and a release groove which correspond to the end part of the elastic positioning strip are formed in the pen cap, the pressing bulge is positioned on the outer side of the pen cap and corresponds to the fixing groove and the release groove, when the end part of the elastic positioning strip is inserted into the fixing groove, a refill extends out of the end part of the pen cap to facilitate writing, when the refill needs to be retracted, the elastic hook is pressed, the pressing bulge at the end part of the elastic hook applies pressure to the end part of the elastic positioning strip, the end part of the elastic positioning strip is separated from the fixing groove, under the elastic action of a spring, the refill is retracted from the end part of the pen cap, the end part of the elastic positioning strip extends into the release groove, and the refill is in a stable state after extending out and retracting, is not easy to shake and stable in writing;

2. be equipped with annular limiting plate on the global of adapter sleeve, be equipped with a plurality of elasticity spacing teeth on the inner wall of pen socket, elasticity spacing tooth is located annular limiting plate's top, elasticity spacing tooth inclines on the inner wall of pen socket and sets up, the free end of elasticity spacing tooth is towards annular limiting plate's center, during the adapter sleeve installation, can follow the tip disect insertion of pen socket in the pen socket, the refill is when withdrawing the state, the adapter sleeve is in the state of withdrawal under the effect of spring, at this moment, the tip of elasticity spacing tooth is contradicted with annular limiting plate, the fastness of adapter sleeve installation has been guaranteed, prevent that the adapter sleeve from popping out from the tip of pen socket.

Drawings

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

fig. 2 is a schematic side view of the present invention;

fig. 3 is a schematic cross-sectional view of the present invention.

Detailed Description

As shown in fig. 1 to 3, a ball-point pen structure comprises a pen cap 1 and an end cap 2 in threaded connection with the pen cap 1, wherein two ends of the pen cap 1 are open, a refill mounting sleeve 3 is arranged in the pen cap 1, a supporting sleeve 4 is arranged in the end cap 2, a refill 5 is inserted in the refill mounting sleeve 3, the end of the refill 5 penetrates through the supporting sleeve 4 and the end cap 2, a spring 6 is sleeved outside the refill mounting sleeve 3, one end of the spring 6 is in contact with the top of the supporting sleeve 4, and the other end of the spring 6 is in contact with a limiting ring 7 on the refill mounting sleeve 3;

a connecting sleeve 8 is inserted into one end of the refill mounting sleeve 3, which is far away from the end cap 2, the connecting sleeve 8 is inserted into the pen sleeve 1 from one end port of the pen sleeve 1, which is far away from the end cap 2, and one end of the connecting sleeve 8, which is far away from the refill mounting sleeve 3, penetrates out from the end part of the pen sleeve 1;

the circumferential surface of the connecting sleeve 8 is provided with an annular limiting plate 9, the inner wall of the pen cap 1 is provided with a plurality of elastic limiting teeth 10, the elastic limiting teeth 10 are positioned above the annular limiting plate 9, and the end part of the connecting sleeve 8 is connected with a pressing end 11. The elastic limit teeth 10 are obliquely arranged on the inner wall of the pen cap 1, and the free ends of the elastic limit teeth 10 face the center of the annular limit plate 9.

Furthermore, the pen cap 1 is connected with an elastic hook 12, the inner side of the end part of the elastic hook 12 is provided with a pressing protrusion 13, the circumferential surface of the pen core mounting sleeve 3 is connected with an elastic positioning strip 14, the pen cap 1 is provided with a fixing groove 15 and a release groove 16 corresponding to the end part of the elastic positioning strip 14, and the pressing protrusion 13 is located on the outer side of the pen cap 1 and corresponds to the fixing groove 15 and the release groove 16.

Further, the annular limiting plate 9 and the connecting sleeve 8 are integrally formed, and the elastic limiting teeth 10 and the pen cap 1 are integrally formed. The outer side of the pen cap 1 is provided with an anti-skid bulge 17. The distance between the end of the elastic limit tooth 10 and the annular limit plate 9 is the same as the distance between the fixed groove 15 and the release groove 16.

To sum up, the pen cap 1 is connected with the elastic hook 12, the inner side of the end of the elastic hook 12 is provided with the pressing protrusion 13, the circumferential surface of the refill mounting sleeve 3 is connected with the elastic positioning strip 14, the pen cap 1 is provided with the fixing groove 15 and the release groove 16 corresponding to the end of the elastic positioning strip 14, the pressing protrusion 13 is positioned at the outer side of the pen cap 1 and corresponds to the fixing groove 15 and the release groove 16, when the end of the elastic positioning strip 14 is inserted into the fixing groove 15, the refill 5 extends out from the end of the pen cap 1 for facilitating writing, when the refill 5 needs to be retracted, the elastic hook 12 is pressed, the pressing protrusion 13 at the end of the elastic hook 12 applies pressure to the end of the elastic positioning strip 14, the end of the elastic positioning strip 14 is separated from the fixing groove 15, under the elastic action of the spring 6, the refill 5 retracts from the end of the pen cap 1, the end of the elastic positioning strip 14 extends into the release groove 16, and the refill 5 is in a stable state after extending out and retracting, the writing pen is not easy to shake and stable to write;

be equipped with annular limiting plate 9 on adapter sleeve 8 global, be equipped with a plurality of elasticity spacing teeth 10 on pen socket 1's the inner wall, elasticity spacing tooth 10 is located annular limiting plate 9's top, elasticity spacing tooth 10 inclines on pen socket 1's the inner wall and sets up, the free end of elasticity spacing tooth 10 is towards annular limiting plate 9's center, during the installation of adapter sleeve 8, can follow pen socket 1's tip disect insertion to pen socket 1 in, refill 5 is in when withdrawing the state, adapter sleeve 8 is in the state of withdrawal under spring 6's effect, at this moment, the tip of elasticity spacing tooth 10 is contradicted with annular limiting plate 9, the fastness of adapter sleeve 8 installation has been guaranteed, prevent that adapter sleeve 8 from popping out from pen socket 1's tip.

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 to the above embodiments, and that all the embodiments and descriptions are provided in the present invention, and that various changes and modifications can be made without departing from the spirit and scope of the present invention, and all such changes and modifications fall within the scope of the present invention as claimed. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims

1. A ball pen structure comprises a pen sleeve and end caps in threaded connection with the pen sleeve, and is characterized in that two ends of the pen sleeve are open, a refill mounting sleeve is arranged in the pen sleeve, a supporting sleeve is arranged in the end caps, a refill is inserted into the refill mounting sleeve, the end of the refill penetrates through the supporting sleeve and the end caps, a spring is sleeved outside the refill mounting sleeve, one end of the spring is in contact with the top of the supporting sleeve, and the other end of the spring is in contact with a limiting ring on the refill mounting sleeve;

a connecting sleeve is inserted into one end, far away from the end cap, of the refill mounting sleeve, the connecting sleeve is inserted into the pen sleeve from one end port, far away from the end cap, of the pen sleeve, and one end, far away from the refill mounting sleeve, of the connecting sleeve penetrates out of the end part of the pen sleeve;

the pen cap is characterized in that an annular limiting plate is arranged on the circumferential surface of the connecting sleeve, a plurality of elastic limiting teeth are arranged on the inner wall of the pen cap, and the elastic limiting teeth are located above the annular limiting plate.

2. The ballpoint pen structure as defined in claim 1, wherein a pressing tip is connected to an end of the connecting sleeve.

3. The ball-point pen structure according to claim 1, wherein the elastic limit tooth is obliquely arranged on the inner wall of the cap, and a free end of the elastic limit tooth faces the center of the annular limit plate.

4. The ball-point pen structure according to claim 1, wherein an elastic hook is connected to the pen cap, a pressing protrusion is provided inside an end portion of the elastic hook, an elastic positioning strip is connected to a circumferential surface of the cartridge mounting sleeve, a fixing groove and a releasing groove corresponding to an end portion of the elastic positioning strip are provided on the pen cap, and the pressing protrusion is located outside the pen cap and corresponds to the fixing groove and the releasing groove.

5. The ball point pen structure as claimed in claim 1, wherein the ring-shaped position-limiting plate is integrally formed with the connecting sleeve, and the elastic position-limiting teeth are integrally formed with the cap.

6. The ballpoint pen structure as defined in claim 1, wherein an outer side of said cap is provided with a non-slip projection.

7. The ball point pen structure as claimed in claim 4, wherein the distance between the end of the elastic stopper tooth and the ring stopper plate is the same as the distance between the fixing groove and the releasing groove.