CN218702367U - Ball pen with anti-lost pen cap - Google Patents

Abstract

The utility model provides a ballpoint is prevented losing by cap for brush relates to ballpoint technical field, and this ballpoint is prevented losing by cap for brush, including pen-holder and joint in the tail plug of its afterbody, inserted the refill in the pen-holder, the pen-holder outer wall just keeps away from tail plug department and has seted up movable groove, and movable groove outer wall cover is equipped with slidable protection section of thick bamboo, is connected with the spring between protection section of thick bamboo and the movable groove, and the one end that the pen-holder was kept away from to the protection section of thick bamboo is fixed with rubber protecting cover, set up the through-hole with ballpoint pen looks adaptation on the rubber protecting cover, install the locating part that the restriction protection section of thick bamboo removed on the pen-holder, this ballpoint is prevented losing by cap for brush, and the protection section of thick bamboo as cap for brush is located the pen-holder all the time, effectively avoids it to lose, and protection section of thick bamboo is in the pen-holder tip by spring action when no exogenic action simultaneously, protects the writing end of refill, has effectively prevented the accident and has dropped the problem of damaging the refill.

Description

Ball pen with anti-lost pen cap

Technical Field

The utility model relates to a ballpoint technical field specifically is a ballpoint is prevented losing by cap.

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. The cap of a common ball-point pen is separated from the pen holder, and the condition that the cap is lost frequently occurs in the using process, so that the writing end of the pen core cannot be effectively protected and damaged.

Prior art CN202021400922.9 discloses a novel pen with pen cap anti-lost function, set up the spout in the shaft, T shape slider and spring, T shape slider can slide in the spout, the one end and the T shape slider of L shape connecting rod rotate to be connected, the cap then sets up the other end at L shape connecting rod, in the user state, the cap can overturn along with L nature connecting rod, from the nib end upset of shaft to the nib end of shaft, when the cap cover was established at pen point end or nib end, the elasticity of spring makes the cap compress tightly at the both ends of shaft, realize fixing, from this cap and shaft connect the setting, the problem of the cap easy loss has been solved, the cap is also applicable to the writing state and the non-writing state of pen simultaneously. Although the problem that the pen cap is easy to lose is solved, the pen cap of the ball-point pen cannot automatically cover the end part of the pen holder for protection, and when the ball-point pen is idle in writing, the ball-point pen is easy to roll off, so that the writing end of the pen core impacts the ground, damage is caused, and the durability of the ball-point pen is affected.

SUMMERY OF THE UTILITY MODEL

Technical problem to be solved

The utility model provides a not enough to prior art, the utility model provides a ballpoint is prevented losing by cap has solved the unable cage pen-holder tip by oneself of cap of current ballpoint and has protected, and the ballpoint is writing when idle, and the easy end striking ground that writes that rolls and lead to the refill causes the damage, influences the problem of the durability of ballpoint.

(II) technical scheme

In order to achieve the above purpose, the utility model discloses a following technical scheme realizes: the utility model provides a ballpoint is prevented losing by cap, includes that pen-holder and joint have inserted the refill in the tail plug of its afterbody, the pen-holder outer wall just keeps away from tail plug department and has seted up movable groove, and movable groove outer wall cover is equipped with a slidable protection section of thick bamboo, is connected with the spring between a protection section of thick bamboo and the movable groove, and the one end that the pen-holder was kept away from to a protection section of thick bamboo is fixed with rubber protecting cover, sets up the through-hole with ballpoint pen looks adaptation on the rubber protecting cover, installs the locating part that a restriction protection section of thick bamboo removed on the pen-holder.

Further, the limiting part comprises a fixing ring fixed in the pen holder, the outer wall of the fixing ring is bonded with the inner wall of the pen holder, a limiting air sac body is mounted on the outer wall of the fixing ring, openings matched with the limiting air sac body are formed in the pen holder and the protection barrel, a compressed air sac body communicated with the limiting air sac body is mounted on the outer wall of the pen holder, an air guide pipe is connected between the compressed air sac body and the limiting air sac body, a through groove matched with the compressed air sac body is formed in the protection barrel, the compressed air sac body is pressed and the protection barrel is moved, when the through holes in the pen holder and the protection barrel are overlapped, the limiting air sac body can stretch out from the through hole, when the pen is used for writing, a user can hold the pen holder to press the compressed air sac body through fingers, movement of the protection barrel can be limited all the time, exposure of the pen core is guaranteed to be written, if the user does not apply force to the compressed air sac body, the protection barrel extrudes the limiting air sac body under the spring action to enable the ball sac body to retract into the pen holder, and the end portion, which moves to protect the pen point of the ball pen holder.

Furthermore, the compressed air sac bubble is internally bonded with a C-shaped elastic block, so that when the compressed air sac bubble has no external force for applying pressure, air in the limit air sac bubble can be quickly rebounded and drawn out, the air sac bubble becomes flat, and the influence on the movement of the protection barrel is avoided.

Further, the elastic block is made of elastic plastic materials.

Further, when the penholder and the opening on the protection barrel are overlapped, the end part of the pen core penetrates through the rubber protecting cover and extends to the outside of the protection barrel.

Furthermore, the tail plug is made by solid rubber piece, and the weight of tail plug is greater than the sum of protection section of thick bamboo and locating part weight, increases the weight of tail plug and can move the focus of whole ballpoint to tail plug department, when the ballpoint rolls and falls to the ground, is convenient for make the tail plug contact ground earlier to buffering impact, the impaired degree when can reduce the ballpoint and drop improves its durability.

Further, the rubber protecting cover is made of elastic rubber sheets and can deform under pressure.

(III) advantageous effects

The utility model provides a ball pen is prevented losing by cap. The method has the following beneficial effects:

1. this ballpoint is prevented losing by cap for brush, through the protection barrel casing that will regard as cap for brush in pen-holder tip to with spring limit position, the protection barrel covers pen-holder tip cage completely under the spring action when idle, and the opening of the rubber protecting cover closed protection barrel simultaneously protects, and the movable protection barrel exposes refill tip and can use with the locating part is fixed during the use, and the protection barrel has effectively solved cap for brush and has easily lost, can't be to the problem of refill tip protection all the time on the pen-holder.

2. This ballpoint is prevented losing by cap, through pressing the compressed gas vesicle and removing the protection section of thick bamboo, when the opening coincidence on pen-holder and the protection section of thick bamboo, spacing gas vesicle stretches out from opening department, only need when using this pen writing, finger gripping pen-holder department supports and presses the compressed gas vesicle, can restrict the removal of a protection section of thick bamboo all the time, guarantee the exposure of refill and write, if the finger is not to compressed gas bag bubble application of force, the protection section of thick bamboo extrudees spacing gas vesicle and makes it retract in the pen-holder under the spring action, and the tip that the protection section of thick bamboo removed the pen-holder protects the nib of ballpoint, make this protection section of thick bamboo can cover the pen-holder tip from moving when the ballpoint is idle and protect it, the problem of accidental ballpoint drop damage refill has effectively been prevented.

3. This cap anti-lost ballpoint, the weight of tail stopper is greater than the sum of protection section of thick bamboo and locating part weight, and the weight that increases the tail stopper can move the focus of whole ballpoint to tail stopper department, when the ballpoint rolls and falls to the ground, is convenient for make the tail stopper contact ground earlier to buffering impact can reduce the impaired degree when ballpoint drops, improves its durability.

Drawings

Fig. 1 is a cross-sectional view of the relative position of the protection cartridge to the holder when the protection cartridge is in a free state.

Fig. 2 is a cross-sectional view of the pen holder when the end of the pen holder extends out of the rubber protecting cover.

Fig. 3 is a schematic structural diagram of the protection cylinder of the present invention.

Fig. 4 is a schematic structural diagram of the fixing ring, the limiting gas vesicle and the compressed gas vesicle of the present invention when they are connected.

In the figure: 1. a pen holder; 2. a movable groove; 3. a protective cylinder; 4. a rubber cover; 5. a spring; 6. a fixing ring; 7. a limiting gas vesicle; 8. a compressed gas vesicle; 9. an elastic block; 10. a port; 11. a through groove; 12. and (4) a tail plug.

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.

The embodiment of the utility model provides a cap anti-lost ball pen, as shown in figures 1-4, comprising a pen holder 1 and a tail plug 12 clamped at the tail part of the pen holder, a refill is inserted into the pen holder 1, the refill can be loaded into the pen holder 1 by pulling out the tail plug 12, a movable groove 2 is arranged on the outer wall of the pen holder 1 and far away from the tail plug 12, a slidable protective barrel 3 is sleeved on the outer wall of the movable groove 2, the protective barrel 3 is in a cylindrical structure without covers at both ends, a sliding block and a sliding groove which are matched are arranged between the protective barrel 3 and the movable groove 2, the rotation of the protective barrel 3 can be limited while the protective barrel 3 moves along the axial direction of the pen holder 1, a spring 5 is connected between the protective barrel 3 and the movable groove 2, one end of the spring 5 is connected with the side of the protective barrel 3 close to the tail plug 12, the other end of the spring 5 is connected with the side of the movable groove 2 close to the tail plug 12, when the spring 5 is in a free extension state, the protective barrel 3 is sleeved at the end part of the pen holder 1 to protect the nib of the ball pen, the protection barrel 3 moves towards the center of the pen holder 1 to compress the spring 5, so that the pen core can be exposed for writing, a rubber protecting cover 4 is fixed at one end of the protection barrel 3 away from the pen holder 1, a through hole matched with a ball-point pen is formed in the rubber protecting cover 4, the rubber protecting cover 4 is made of an elastic rubber sheet, the rubber protecting cover 4 can deform under pressure, when the protection barrel 3 moves towards the center of the pen holder 1, the rubber protecting cover 4 deforms into a shape corresponding to the end part of the pen holder 1, the writing end of the pen core extends out of the through hole, so that writing can be carried out, a limiting part for limiting the movement of the protection barrel 3 is installed on the pen holder 1, the translational protection barrel 3 is arranged at the end part of the ball-point pen, when the protection barrel 3 is idle, the end part of the pen holder 1 is completely covered by the spring 5, meanwhile, the rubber protecting cover 4 seals the opening of the protection barrel 3 for protection, when the ball-point pen is used, the protection barrel 3 is moved to expose the end part of the pen core and is fixed by the limiting part for use, the protective barrel 3 as a pen cap is always positioned on the pen holder 1, so that the pen cap can be effectively prevented from being lost.

The limiting part comprises a fixing ring 6 fixed in a pen holder 1, the outer wall of the fixing ring 6 is bonded with the inner wall of the pen holder 1, a limiting air sac 7 is mounted on the outer wall of the fixing ring 6, through holes 10 matched with the limiting air sac 7 are formed in the pen holder 1 and the protection barrel 3, when the through holes 10 in the pen holder 1 and the protection barrel 3 are overlapped, the end part of the pen core penetrates through the rubber protecting cover 4 and extends to the outside of the protection barrel 3, a compressed air sac 8 communicated with the limiting air sac 7 is mounted on the outer wall of the pen holder 1, the compressed air sac 8 and the limiting air sac 7 are equivalent to an air sac bubble of a comparison document (a traditional Chinese medicine mattress with a healthcare function and with the application number of CN 2011617939.7), an air duct is connected between the compressed air sac 8 and the limiting air sac 7, and the compressed air sac 8 and the limiting air sac 7 can mutually move the air in the compressed air sac 8 and the limiting air sac 7 through the air duct, so that the relative size between the compressed air sac 8 and the limiting air sac 7 is changed; the C-shaped elastic block 9 is bonded in the compressed air vesicle 8, the elastic block 9 is made of elastic plastic materials, so that when the compressed air vesicle 8 is pressurized without external force, the air in the limit air vesicle 7 can be quickly rebounded and pumped out to be shriveled, and the influence on the movement of the protection barrel 3 is avoided; the protection cylinder 3 is provided with a through groove 11 matched with the compressed gas vesicle 8, and the through groove 11 is not influenced by the compressed gas vesicle 8 when the protection cylinder 3 moves;

pressing compressed air vesicle 8 and removing protection section of thick bamboo 3, when opening 10 coincidence on penholder 1 and protection section of thick bamboo 3, spacing air vesicle 7 can stretch out from opening 10, only need when using this pen writing, finger grip penholder 1 department supports and presses compressed air vesicle 8, can restrict the removal of protection section of thick bamboo 3 all the time, guarantee that the exposure of refill writes, if the finger does not write compressed air vesicle 8 application of force, protection section of thick bamboo 3 extrudes spacing air vesicle 7 under the spring 5 effect and makes in its withdrawal penholder 1, and protection section of thick bamboo 3 removes the nib of penholder 1 to the ballpoint and protects.

The tail plug 12 is made of a solid rubber block, the weight of the tail plug 12 is larger than the sum of the weights of the protection barrel 3 and the limiting part, the weight of the tail plug 12 is increased, the gravity center of the whole ball-point pen can move to the tail plug 12, when the ball-point pen falls to the ground in a rolling mode, the tail plug 12 is convenient to contact the ground firstly, impact force is buffered, the damage degree of the ball-point pen when the ball-point pen falls can be reduced, and the durability of the ball-point pen is improved.

The working principle is as follows: during the use, press compressed gas vesicle 8 and remove a protection section of thick bamboo 3, when opening 10 coincidence on pen-holder 1 and the protection section of thick bamboo 3, spacing gas vesicle 7 can stretch out from opening 10, only need when using this pen writing, finger gripping pen-holder 1 department supports and presses compressed gas vesicle 8, can restrict the removal of a protection section of thick bamboo 3 all the time, guarantee that the exposure of refill writes, if the finger does not write compressed gas vesicle 8 application of force, protection section of thick bamboo 3 extrudes spacing gas vesicle 7 under the spring 5 effect and makes it retract in the pen-holder 1, and protection section of thick bamboo 3 removes the nib of pen-holder 1 and protects.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims (7)

1. The utility model provides a ballpoint pen is prevented losing by cap, includes pen-holder (1) and joint in tail plug (12) of its afterbody, has inserted refill, its characterized in that in pen-holder (1): the ball-point pen is characterized in that a movable groove (2) is formed in the outer wall of the pen holder (1) and far away from a tail plug (12), a slidable protection barrel (3) is sleeved on the outer wall of the movable groove (2), a spring (5) is connected between the protection barrel (3) and the movable groove (2), one end, away from the pen holder (1), of the protection barrel (3) is fixed with a rubber protecting cover (4), a through hole matched with a ball-point pen is formed in the rubber protecting cover (4), and a limiting part for limiting the movement of the protection barrel (3) is installed on the pen holder (1).

2. The cap loss prevention ballpoint pen as defined in claim 1, wherein: the locating part is including being fixed in solid fixed ring (6) in pen-holder (1), and gu fixed ring (6) outer wall installs spacing gas vesicle (7), all set up on pen-holder (1) and protection section of thick bamboo (3) with opening (10) of spacing gas vesicle (7) looks adaptation, compressed gas vesicle (8) with spacing gas vesicle (7) intercommunication are installed to pen-holder (1) outer wall, set up on protection section of thick bamboo (3) with logical groove (11) of compressed gas vesicle (8) looks adaptation.

3. The cap loss prevention ballpoint pen as defined in claim 2, wherein: the compressed gas vesicle (8) is internally bonded with a C-shaped elastic block (9).

4. The loss-proof ballpoint pen with a cap as defined in claim 3, wherein: the elastic block (9) is made of elastic plastic materials.

5. The cap loss prevention ballpoint pen as defined in claim 2, wherein: when the penholder (1) and the through hole (10) on the protection barrel (3) are superposed, the end part of the pen core penetrates through the rubber protecting cover (4) and extends to the outside of the protection barrel (3).

6. The cap loss prevention ballpoint pen as defined in claim 1, wherein: the tail plug (12) is made of a solid rubber block, and the weight of the tail plug (12) is larger than the sum of the weight of the protection cylinder (3) and the weight of the limiting piece.

7. The cap loss prevention ballpoint pen as defined in claim 1, wherein: the rubber protecting cover (4) is made of an elastic rubber sheet.

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