CN212827530U

CN212827530U - Ball pen capable of conveniently assembling and replacing pen core

Info

Publication number: CN212827530U
Application number: CN202021065479.4U
Authority: CN
Inventors: 罗敏; 苏艺; 刘励遥
Original assignee: Chengdu University of Traditional Chinese Medicine
Current assignee: Chengdu University of Traditional Chinese Medicine
Priority date: 2020-06-10
Filing date: 2020-06-10
Publication date: 2021-03-30
Anticipated expiration: 2030-06-10

Abstract

The utility model discloses a ball-point pen of convenient equipment and replacement refill, including middle fixed cylinder. This ball-point pen of convenient equipment and replacement refill, during the equipment, it is inside only to insert the fixed lid in top with the press head, screw hole inside of the fixed lid in top is screwed into to annular block two again, screw thread inner wall of the fixed lid in top is screwed into the fixed section of thick bamboo in middle of with middle fixed section of thick bamboo, the inside of the fixed section of thick bamboo in middle of putting annular block one and dead lever into again, screw thread screw hole one is screwed into to the threaded rod, put into the refill along the bottom entry of the fixed section of thick bamboo in middle of putting into again, can realize the equipment work with the fixed section of thick bamboo in bottom again on screwing, whole process is fixed, the part of installing just can not drop, thereby make the equipment speed fast, when changing the refill after the constitution is good, the junction of directly unscrewing middle fixed section of thick bamboo and the fixed lid in top can take out the refill more new refill with the refill.

Description

Ball pen capable of conveniently assembling and replacing pen core

Technical Field

The utility model relates to a ballpoint pen technical field especially relates to a ballpoint pen of convenient equipment and replacement refill.

Background

Ballpoint pens in the current market are generally made into the mode of accessible pressing in order to keep clean and are taken in the pen container with the refill, go out from the top in order to prevent that the top press head from the top, can prevent with the mode of fixture block and top press head grafting that the press head goes out from the top, and the outer wall of refill can cup joint the spring, and the press rod that the fixture block on the supplementary press head goes out from the card hole is generally through rotating at the pen container top, it is more difficult during the equipment, and speed is slow because these built-up members all do not have the mounting, during the equipment, the top is pressed cap and its fixture block and is dropped very easily, difficulty during the equipment, and when replacing the refill, will install the spare part except that pressing the press rod again along with the refill that newly changed, it is loaded down with trivial details.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the defects existing in the prior art and providing a ball-point pen convenient for assembling and replacing a pen core.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

a ball pen capable of conveniently assembling and replacing a refill comprises a middle fixing barrel, wherein a bottom fixing barrel is fixedly connected to an inner wall screw close to the bottom of the middle fixing barrel, a through hole is formed between the left side wall surface and the right side wall surface of the middle fixing barrel, a first annular block is arranged inside the middle fixing barrel, a fixing rod is bonded to the left side outer wall of the first annular block, the fixing rod is inserted into the inner wall of the left through hole, a first threaded hole is formed in the right side outer wall of the first annular block, a threaded rod is connected to the inner wall of the first threaded hole in a threaded manner, the right end face of the threaded rod is inserted into the right side through hole, a first spring is fixedly bonded to the bottom of the first annular block, a refill is inserted into the inner wall of the first annular block, the refill penetrates through an inner ring of the first spring and is located below the bottom fixing, the inner wall of the top fixing cover is spliced with a pressing head, a groove is formed in the bottom of the pressing head, the groove top of the groove is in contact with the groove top of the refill, the outer wall of the pressing head is connected with a second annular block through threads inside the top fixing cover, the bottom of the second annular block is fixedly bonded with a second spring, and a clamping hole is formed between the outer wall of the right side of the top fixing cover and the inner wall of the top fixing cover.

Furthermore, a threaded hole is formed between the top of the top fixing cover and the groove top of the bottom groove, and the threaded hole is in threaded connection with the thread surface of the outer wall of the annular block.

Furthermore, the spring is sleeved on the outer side of the pressing head and located above the middle bump of the pressing head, and the size of the inner ring of the spring II is smaller than that of the outer wall of the middle bump of the pressing head.

Furthermore, the pressing head is composed of a middle vertical rod and a right clamping block, the clamping block is clamped inside the clamping hole, and the clamping block is elastic.

Furthermore, the top fixing cover consists of an annular barrel at the top and a pressing rod at the right side, a raised head is arranged on the left end face of the pressing rod, and the position of the raised head corresponds to that of the clamping hole.

Furthermore, the outer walls of the tops of the middle fixed cylinder and the bottom fixed cylinder are both threaded cylindrical surfaces.

Compared with the prior art, the beneficial effects of the utility model reside in that:

1. during the equipment, only need inside inserting the top fixed lid with the press head, screw hole inside of the fixed lid in top is screwed into to annular block two again, screw thread inner wall of the fixed lid in top is screwed into to the fixed section of thick bamboo in the middle of will fixing, put annular block one and the inside of the fixed section of thick bamboo in the middle of putting into again, screw thread hole inside is screwed into to the threaded rod, put into the refill along the bottom entry of middle fixed section of thick bamboo again, it can realize the equipment work to revolve the fixed section of thick bamboo in bottom again, whole process is fixed, the part of installing just can not drop, thereby make the equipment fast.

2. When the refill is replaced after being assembled, the refill can be taken out for replacement by directly unscrewing the joint of the middle fixing barrel and the top fixing cover, other parts are not required to be assembled again during replacement, and the refill is convenient to replace.

Drawings

The accompanying drawings are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention, and together with the description serve to explain the invention and not to limit the invention.

Fig. 1 is a schematic view of a ball-point pen for easy assembly and replacement of a refill according to the present invention;

FIG. 2 is a right side view of a ballpoint pen of the present invention with the easy assembly and replacement of the cartridge;

FIG. 3 is a top plan view of a ballpoint pen of the present invention for easy assembly and replacement of the cartridge;

fig. 4 is a cross-sectional view at B-B in fig. 3 for facilitating assembly and replacement of a cartridge in accordance with the present invention;

fig. 5 is an enlarged view of a point a in fig. 4 for conveniently assembling and replacing the cartridge according to the present invention.

In the figure: the pen comprises a bottom fixing barrel 1, a middle fixing barrel 2, a top fixing cover 3, a pressing head 4, a ring block II 5, a spring II 6, a groove 7, a pen core 8, a through hole 9, a fixing rod 10, a ring block I11, a threaded hole I12, a threaded rod 13, a spring I14 and a clamping hole 15.

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.

In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.

Referring to fig. 1-5, a ball-point pen for conveniently assembling and replacing a refill, which comprises a middle fixed cylinder 2, wherein the top outer walls of the middle fixed cylinder 2 and the bottom fixed cylinder 1 are both threaded cylindrical surfaces, the inner wall of the middle fixed cylinder 2 close to the bottom is fixedly connected with the bottom fixed cylinder 1 through a screw, a through hole 9 is formed between the left side wall surface and the right side wall surface of the middle fixed cylinder 2, a first annular block 11 is arranged inside the middle fixed cylinder 2, the section diameter of the outer wall of the first annular block 11 is larger than the size of the through hole 9 in the front-back direction, a fixed rod 10 is bonded on the outer wall of the left side of the first annular block 11, the fixed rod 10 is inserted into the inner wall of the left through hole 9, a first threaded hole 12 is formed on the outer wall of the right side of the first annular block 11, a threaded rod 13 is connected, the bottom of the annular block I11 is fixedly bonded with a spring I14, the inner wall of the annular block I11 is inserted with a refill 8, the refill 8 is provided with a convex block, the convex block is positioned above the annular block I11, when the refill 8 is replaced after being formed, the refill 8 can be taken out for replacing a new refill by directly unscrewing the joint of the middle fixed barrel 2 and the top fixed cover 3, other components are not required to be reassembled during replacement, the refill is convenient to replace, the refill 8 passes through the inner ring of the spring I14 and is positioned below the bottom fixed barrel 1, the outer wall of the middle fixed barrel 2 close to the top is in threaded connection with a top fixed cover 3, a threaded hole is formed between the top of the top fixed cover 3 and the groove top of the bottom groove, the threaded hole is in threaded connection with the outer wall thread surface of the annular block II 5, the top fixed cover 3 consists of a top annular barrel and a right pressing rod, and the left end surface of, the position of the raised head corresponds to the position of the clamping hole 15, the inner wall of the top fixing cover 3 is inserted with the pressing head 4, the pressing head 4 is only required to be inserted into the top fixing cover 3, the annular block II 5 is screwed into the threaded hole of the top fixing cover 3, the middle fixing cylinder 2 is screwed into the threaded inner wall of the top fixing cover 3, the annular block I11 and the fixing rod 10 are put into the middle fixing cylinder 2, the threaded rod 13 is screwed into the threaded hole I12, the pen core 8 is put into the pen along the bottom inlet of the middle fixing cylinder 2, the bottom fixing cylinder 1 is screwed on to realize the assembly work, the whole process is fixed, the installed parts can not fall off, the assembling speed is high, the pressing head 4 consists of a middle vertical clamping block and a right clamping block, the clamping block is clamped in the clamping hole 15, the clamping block has elasticity, the straight rod 7 is arranged at the bottom of the straight rod head 4, the groove top of recess 7 contacts with the groove top of refill 8, the outer wall of press head 4 and the inside threaded connection who is located top fixed cover 3 have annular piece two 5, the fixed spring two 6 that bonds in bottom of annular piece two 5, spring two 6 cup joints the outside at press head 4, and is located the top of lug in the middle of the press head, the inner circle size of spring two 6 is less than the outer wall size of lug in the middle of the press head, joint hole 15 has been seted up to the right side outer wall of top fixed cover 3 between the inner wall.

The utility model discloses a theory of operation and use flow: during the equipment, only need to insert inside the fixed lid 3 in top with pressing head 4, screw hole inside of the fixed lid 3 in top is screwed into to annular block two 5 again, screw thread inner wall of the fixed lid 3 in top is screwed into middle fixed section of thick bamboo 2, put the inside of the fixed section of thick bamboo 2 in middle of annular block 11 and dead lever 10 again, screw thread pole 13 is screwed into screw hole 12 inside, put into refill 8 again along the bottom entry of middle fixed section of thick bamboo 2, it can realize the equipment work to spin on the fixed section of thick bamboo 1 in bottom again, whole process is fixed, the part of installing just can not drop, thereby make the equipment speed fast, and when constituteing the back and changing refill 8, the junction of directly unscrewing middle fixed section of thick bamboo 2 and top fixed lid 3 can be taken out refill 8 and change new refill, other parts need not assemble again during the change, it is convenient to change the refill.

The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims

1. The ball pen with the refill convenient to assemble and replace comprises a middle fixing barrel (2) and is characterized in that the middle fixing barrel (2) is close to a bottom fixing barrel (1) through a screw fixedly connected with the inner wall of the bottom, a through hole (9) is formed between the left side wall surface and the right side wall surface of the middle fixing barrel (2), a first annular block (11) is arranged inside the middle fixing barrel (2), a fixing rod (10) is bonded on the outer wall of the left side of the first annular block (11), the fixing rod (10) is inserted into the inner wall of the left through hole (9), a first threaded hole (12) is formed in the outer wall of the right side of the first annular block (11), a threaded rod (13) is connected to the inner wall of the first threaded hole (12) in a threaded mode, the right end face of the threaded rod (13) is inserted into the through hole (9), a first spring (14) is fixedly, the inner wall of annular piece (11) is pegged graft and is had refill (8), refill (8) pass the inner circle of spring (14) and are located the below of the solid fixed cylinder in bottom (1), the outer wall screw thread that middle solid fixed cylinder (2) are close to the top is linked there is top fixed lid (3), the inner wall of top fixed lid (3) is pegged graft and is had press head (4), the bottom of press head (4) is seted up flutedly (7), the groove top of recess (7) and the groove top contact of refill (8), the outer wall of press head (4) and the inside threaded connection who is located top fixed lid (3) have annular piece two (5), the bottom of annular piece two (5) is fixed to bond and has spring two (6), joint hole (15) have been seted up to the inner wall between the right side outer wall of top fixed lid (3).

2. The ballpoint pen for facilitating the assembly and replacement of the refill as set forth in claim 1, wherein a screw hole is formed between the top of the top fixing cap (3) and the groove top of the bottom recess, and the screw hole is threadedly engaged with the thread surface of the outer wall of the second annular block (5).

3. The ball-point pen for conveniently assembling and replacing the refill according to claim 1, wherein the second spring (6) is sleeved outside the pressing head (4) and is positioned above the middle bump of the pressing head, and the size of the inner ring of the second spring (6) is smaller than that of the outer wall of the middle bump of the pressing head.

4. The ball-point pen for conveniently assembling and replacing the refill according to claim 1, wherein the pressing head (4) is composed of a middle vertical rod and a right clamping block, the clamping block is clamped inside the clamping hole (15), and the clamping block is provided with elasticity.

5. A ballpoint pen for facilitating the assembly and replacement of a refill according to claim 3, wherein the top fixing cap (3) is composed of a top ring-shaped barrel and a right pressing lever, and a left end surface of the pressing lever is provided with a projection corresponding to the position of the catching hole (15).

6. The ball-point pen for conveniently assembling and replacing the pen refill according to claim 1, wherein the top outer walls of the middle fixed barrel (2) and the bottom fixed barrel (1) are both threaded cylindrical surfaces.