CN218477339U - Pen - Google Patents

Abstract

The application discloses a fountain pen, which relates to the field of writing instruments, and can avoid excessive ink output from the fountain pen due to a false touch of an adjustment member. The pen includes a pen case, an ink chamber is arranged in the pen case, a movable screw member is arranged in the ink chamber, the tail end of the screw member protrudes from the tail of the pen case, and a rotatable adjustment member is provided at the tail of the pen case , the adjustment part is plugged and connected with the tail of the pen case, and the first transmission part is screw-connected with the screw part in the tail of the pen case, the first transmission part is connected in rotation in the tail of the pen case, and the adjustment part is fixedly connected with the first transmission part Two transmission parts, the adjustment part is pulled out from the tail of the pen case to make the second transmission part fixedly connected with the first transmission part, and the adjustment part is inserted into the tail of the pen case to separate the second transmission part from the first transmission part.

Description

a pen

technical field

The present application relates to the field of writing instruments, in particular to a fountain pen.

Background technique

The spiral pen is to add ink and discharge ink in a spiral way, that is, there is a spiral adjustment part at the end of the pen. Turn the screw adjustment part clockwise to make the nib of the pen discharge ink, and turn the helical adjustment part counterclockwise to make the nib absorb ink.

During actual use, touching the screw adjustment part by mistake causes the adjustment part to rotate, resulting in excessive ink output from the fountain pen and affecting normal writing.

Contents of the invention

The purpose of the present application is to provide a fountain pen. The regulating part for controlling the ink filling/discharging of the pen is pulled out and arranged at the tail of the pen case, so as to avoid excessive ink ejection from the pen due to mistouching the regulating part.

In order to achieve the above purpose, the technical solution adopted by this application is: a pen, including a pen case, an ink chamber is provided in the pen case, a movable screw member is provided in the ink chamber, and the tail of the screw member end protrudes from the tail of the pen case, the tail of the pen case is provided with a rotatable adjustment piece, the adjustment piece is plugged and connected with the tail of the pen case, and the tail of the pen case is provided with The first transmission part is screw-connected with the screw part, the first transmission part is rotatably connected in the tail of the pen case, the second transmission part is fixed in the adjustment part, and the adjustment part is from the Pulling out the tail of the pen case makes the second transmission part fixedly connected with the first transmission part, and inserting the adjusting part into the tail of the pen case separates the second transmission part from the first transmission part.

Compared with the prior art, the present application has the advantage that the fountain pen will not produce too much ink after touching the regulating member by mistake. The adjusting part that controls ink output/inking needs to be pulled to connect the second transmission part in the adjustment part to the first transmission part on the screw part, and then the movement of the screw part can be controlled by the adjustment part, and then The ink output/inking of the fountain pen is controlled by the movement of the screw member in the ink cavity. The adjustment part and the tail of the pen case are connected by a plug, which makes it difficult for the adjustment part to control the screw part, so that the pen cannot easily discharge ink. After the ink is discharged/inked from the pen, press the adjustment part into the pen case The tail is limited so that the first transmission part is separated from the second transmission part, so that the adjustment part and the screw part cannot be linked together, so as to avoid excessive ink output from the pen due to accidental touch of the adjustment part.

In some embodiments of the present application, the tail of the pen case is provided with a first hole, the adjustment member is movably fitted in the first hole, and the inner wall of the first hole is provided with a first inner convex structure along its circumference. , there is a first limiting ring groove between the first inner convex structure and the bottom of the first tunnel, one end of the adjustment member has an outer convex structure, and the outer convex structure is adaptively fitted in the first limiting ring. In the positioning ring groove, the first inner convex structure has a guide structure for the outer convex structure to break away from/enter the first limiting ring groove.

In some embodiments of the present application, the pen case includes a fixing part, the fixing part has the first hole, and the plug-in connection between the adjustment part and the tail of the pen case refers to the plug-in connection of the adjustment part Connected in the first hole of the fixing part, the fixing part is provided with a second hole, and the first transmission part is rotatably connected in the tail of the pen case means that the first transmission part is rotatably connected in the In the second hole of the fixing member.

In some embodiments of the present application, the inner wall of the second channel is provided with a second inner convex structure along its circumference, the outer wall of the first transmission member is provided with a second limiting ring groove along its circumference, and the second inner protrusion The structure fits adaptively with the second limiting ring groove.

In some embodiments of the present application, the second transmission member is sleeved on the first transmission member, the tail end of the first transmission member has a first gear joint, and the second transmission member has a second tooth The second transmission member is pulled toward the tail end of the first transmission member so that the first gear joint is meshed with the second gear joint.

In some embodiments of the present application, the adjustment member has an installation space adapted to the second transmission member, a third limiting ring groove is provided in the installation space, and the second transmission member has a The convex ring structure matched with the groove of the third limiting ring, the second transmission member is fixedly connected in the installation space.

In some embodiments of the present application, the guide structure includes an inclined surface/arc surface provided on the first inner convex structure.

In some embodiments of the present application, the pen case includes a pen holder, the ink chamber is located in the pen holder, and the fixing member is screwed to the tail end of the pen holder.

In some embodiments of the present application, the screw member includes a plug rod and a plug head, the plug head is interference fit in the ink chamber, the plug head is integrally connected with the plug rod, and the first The transmission part is sheathed on the plug rod, and the plug rod is screwed into the first transmission part.

In some embodiments of the present application, the outer peripheral surface of the plug rod is provided with an external screw connection part, the inner peripheral surface of the first transmission member is provided with an inner screw connection structure, and the rotation of the first transmission member makes the The plug rod is screwed in/out.

Description of drawings

Fig. 1 is the schematic diagram of the three-dimensional structure of the present application;

Fig. 2 is a schematic diagram of the sectional structure of the present application;

3 is a schematic diagram of a three-dimensional structure of a fixing member;

Fig. 4 is a schematic cross-sectional structure diagram of a fixing member;

Fig. 5 is a schematic diagram of the connection structure between the adjusting part and the fixing part;

Fig. 6 is a structural schematic diagram in the process of pulling the adjusting part upward from the fixing part;

Fig. 7 is a schematic diagram of the section structure of the tail end of the pen case;

Fig. 8 is a schematic diagram of the three-dimensional structure of the first transmission member;

Fig. 9 is a schematic diagram of the connection structure between the adjustment member and the first transmission member;

Fig. 10 is a schematic diagram of the structure when the first transmission member is separated from the second transmission member;

Fig. 11 is a schematic diagram of the structure when the first transmission member is meshed with the second transmission member;

Fig. 12 is the second schematic diagram of the cross-sectional structure of the present application.

In the figure: 1, pen shell; 101, pen container; 102, fixing piece; 1021, upper connecting part; 1022, lower connecting part; 2, ink chamber; 3, pen head; 4, first channel; Structure; 6. The first limiting ring groove; 7. The second channel; 8. The second inward convex structure; 9. Adjusting member; 10. Outward convex structure; 11. Guide structure; The second limiting ring groove; 14. The first gear joint; 15. The inner helical structure; 16. The second transmission member; 17. The third limiting ring groove; 18. The second gear joint; 19. The clamping part ; 20, screw member; 21, plug rod; 22, plug head; 23, external spiral structure.

Detailed ways

Hereinafter, the present application will be further described in conjunction with specific implementation methods. It should be noted that, on the premise of not conflicting, the various embodiments or technical features described below can be combined arbitrarily to form new embodiments.

In the description of this application, it should be noted that for orientation words, such as the terms "center", "horizontal", "longitudinal", "length", "width", "thickness", "upper", "lower" , "Front", "Back", "Left", "Right", "Vertical", "Horizontal", "Top", "Bottom", "Inner", "Outer", "Clockwise", "Counterclockwise ” and other indication orientations and positional relationships are based on the orientations or positional relationships shown in the drawings, which are only for the convenience of describing the application and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, use a specific orientation The structure and operation should not be construed as limiting the specific protection scope of the application.

It should be noted that the terms "first" and "second" in the specification and claims of the present application are used to distinguish similar objects, but not necessarily used to describe a specific order or sequence.

The terms "comprising" and "having" and any variations thereof in the description and claims of the present application are intended to cover a non-exclusive inclusion, for example, a process, method, system, product or process comprising a series of steps or units. The apparatus is not necessarily limited to those steps or units explicitly listed, but may include other steps or units not explicitly listed or inherent to the process, method, product or apparatus.

Referring to Fig. 1-Fig. 2, a pen includes a pen case 1, and the pen case 1 includes a pen holder 101 and a fixing member 102. The inside of the pen holder 101 is hollow, and the inside of the pen holder 101 has an ink chamber 2 for storing ink, and the lower end of the pen holder 101 is connected with a nib 3. The fixing part 102 is arranged on the upper end of the pen holder 101 and screwed to the upper end of the pen holder 101 .

Referring to FIG. 2 , the fixing member 102 includes an upper connecting portion 1021 and a lower connecting portion 1022 , the lower connecting portion 1022 is sleeved in the upper end of the pen holder 101 , the outer surface of the lower connecting portion 1022 is provided with threads, and the lower connecting portion 1022 is screwed to the upper end of the pen holder 101 fixed.

Referring to Fig. 3-Fig. 4, the upper connection part 1021 is provided with a first tunnel 4, and the inner wall of the first tunnel 4 is provided with a first inner convex structure 5 along its circumference, the first inner convex structure 5 is in the shape of a convex ring, and the first inner convex There is a first limiting ring groove 6 between the structure 5 and the bottom of the first channel 4, and a second channel 7 is provided in the lower connecting part 1022, and the inner wall of the second channel 7 is provided with a second inner convex structure in the shape of a convex ring along its circumference. 8.

Referring to Figures 5-6, the upper connection part 1021 is connected with an adjustment piece 9, the shape of the adjustment piece 9 is adapted to the shape of the first hole 4, the adjustment piece 9 is inserted into the first hole 4 in the form of a plug, and the rotation adjustment piece 9 so that it can be rotated. The lower end of the adjusting member 9 has a protruding structure 10, and the protruding structure 10 is adaptively fitted in the first limiting ring groove 6. 6 guide structure 11, pull the adjusting part 9 upwards to make the convex structure 10 break away from the first limit groove, and after the adjusting part 9 is pulled upward and then pressed down, the convex structure 10 can be snapped into the first limit slot in the slot. Wherein, the guide structure 11 includes a slope/arc surface provided on the first inner convex structure 5 .

Referring to Fig. 7-Fig. 8, there is a rotatable first transmission member 12 inside the second channel 7, the first transmission member 12 is in the form of a sleeve structure, and the lower part of the outer peripheral surface of the first transmission member 12 is provided with a second inner convex The structure 8 is connected to the second limiting ring groove 13 , and the second limiting ring groove 13 is connected to the second inner convex structure 8 to limit the axial movement of the first transmission member 12 . The upper end of the first transmission member 12 has a first gear joint 14 , and the inner wall of the first transmission member 12 is provided with an inner helical structure 15 .

Referring to Fig. 6 and Fig. 9, there is an installation space inside the adjustment member 9, and a second transmission member 16 is arranged in the installation space, and a third limiting ring groove 17 is provided in the installation space, and the second transmission member 16 includes a second gear joint 18 and the clamping part 19, the clamping part 19 is located in the third limiting ring groove 17, and the second transmission part 16 is fixed on the adjusting part 9 through the connection between the clamping part 19 and the third limiting ring groove 17 In the installation space, the second transmission member 16 is sheathed on the first transmission member 12 , and the second transmission member 16 can slide up and down along the first transmission member 12 . Pulling the adjustment part 9 upwards can make the second gear joint 18 of the second transmission part 16 engage with the first gear joint 14 of the first transmission part 12, so that the first transmission part 12 and the second transmission part 16 Linkage occurs.

Referring to Fig. 2, the ink chamber 2 is provided with a screw member 20, the screw member 20 is used to extrude the ink in the ink chamber 2, the screw member 20 presses down, and the volume of the ink chamber 2 is reduced to allow the ink to flow out from the nib 3, and the screw member 20 The part 20 slides upwards to increase the volume of the ink chamber 2, and the pen tip 3 can be used to absorb external ink.

Referring to Fig. 10-Fig. 12, the screw member 20 includes a plug rod 21 and a plug head 22. In the ink chamber 2 where the plug head 22 is an interference fit, the lower end of the plug rod 21 is integrally connected with the plug head 22, and the plug rod 21 penetrates into the second The hole 7 is connected with the first transmission member 12 , and the first transmission member 12 is sleeved on the plug rod 21 . An outer helical structure 23 adaptively connected to the inner helical structure 15 is provided on the outer peripheral surface of the stopper rod 21 . The stopper rod 21 can spiral up or down in the first transmission member 12 , and the upper end of the stopper rod 21 can pass through the first transmission member 12 and enter into the adjustment member 9 .

The first tooth joint 14 includes teeth with a tapered structure, and the second tooth joint 18 includes tooth slots that match the teeth. The teeth face down and face the tooth slots. When the second tooth joint 18 moves upward, it can Mesh connection between the alveolar and the tooth.

The process of adjusting the ink output of the fountain pen: first pull the adjustment part 9 upwards, and after the convex structure 10 on the adjustment part 9 breaks away from the first limit ring groove 6, the second tooth joint part 18 of the second transmission part 16 and the first transmission part 16 The first toothed part 14 of the part 12 is engaged, and the adjusting part 9 is rotated clockwise. The adjusting part 9 drives the screw part 20 to spiral down through the first transmission part 12 and the second transmission part 16, and the ink is squeezed by the plug rod 21. liquid, so that the ink flows out from the nib 3 , and finally press the adjusting piece 9 into the fixing piece 102 , so that the convex structure 10 of the adjusting piece 9 snaps into the first limiting ring groove 6 .

Adjust the ink feeding process of the fountain pen: first pull the adjusting part 9 upwards, and after the convex structure 10 on the adjusting part 9 breaks away from the first limiting ring groove 6, the second gear joint 18 of the second transmission part 16 and the first transmission The first gear joint 14 of the part 12 is engaged, and the adjusting part 9 is rotated counterclockwise, and the adjusting part 9 drives the screw part 20 to spiral up through the first transmission part 12 and the second transmission part 16, and the nib 3 is inserted into the ink. , the ink is sucked into the ink chamber 2, and finally the adjusting member 9 is pressed into the fixing member 102, so that the convex structure 10 of the adjusting member 9 is snapped into the first limiting ring groove 6.

The basic principles, main features and advantages of the present application have been described above. Those skilled in the art should understand that the present application is not limited by the above-mentioned embodiments, and what is described in the above-mentioned embodiments and description is only the principle of the present application, and there will be various other aspects in the present application without departing from the spirit and scope of the present application. Variations and improvements, which fall within the scope of the claimed application. The scope of protection required in this application is defined by the appended claims and their equivalents.

Claims (10)

1. a pen, comprising a pen case (1), an ink chamber (2) is provided in the described pen case (1), a movable screw member (20) is provided in the described ink chamber (2), the The tail end of the screw member (20) protrudes from the tail of the pen case (1), and the tail of the pen case (1) is provided with a rotatable adjustment member (9), characterized in that the adjustment member (9) plugged and connected to the tail of the pen case (1), the tail of the pen case (1) is provided with a first transmission member (12) screwed to the screw member (20), the The first transmission member (12) is rotatably connected in the tail of the pen case (1), and the second transmission member (16) is fixedly connected in the adjustment member (9), and the adjustment member (9) is connected from the The tail of the pen case (1) is pulled out so that the second transmission member (16) is fixedly connected with the first transmission member (12), and the adjustment member (9) is inserted into the tail of the pen case (1) so that The second transmission member (16) is separated from the first transmission member (12). 2. A pen according to claim 1, characterized in that: the tail of the pen case (1) is provided with a first hole (4), and the adjustment member (9) is movably fitted in the first hole In (4), the inner wall of the first channel (4) is provided with a first inner convex structure (5) along its circumference, and there is a gap between the first inner convex structure (5) and the bottom of the first channel (4). The first limit ring groove (6), one end of the adjustment member (9) has a protruding structure (10), and the protruding structure (10) is adaptively fitted in the first limit ring groove (6) Inside, the first inner convex structure (5) has a guide structure (11) for the outer convex structure (10) to escape/enter the first limiting ring groove (6). 3. A pen according to claim 2, characterized in that: the pen case (1) comprises a fixing piece (102), the fixing piece (102) has the first channel (4), the The plug-in connection between the adjusting part (9) and the tail of the pen case (1) means that the adjusting part (9) is plugged and connected in the first channel (4) of the fixing part (102). The part (102) is provided with a second channel (7), and the first transmission part (12) is rotatably connected in the tail of the pen case (1), which means that the first transmission part (12) is rotatably connected to the In the second channel (7) of the fixing member (102). 4. A pen according to claim 3, characterized in that: the inner wall of the second channel (7) is provided with a second inner convex structure (8) along its circumference, and the outer wall of the first transmission member (12) A second limiting ring groove (13) is provided along its circumference, and the second inner convex structure (8) is adaptively matched with the second limiting ring groove (13). 5. A fountain pen according to claim 4, characterized in that: the second transmission member (16) is sheathed on the first transmission member (12), and the tail end of the first transmission member (12) It has a first toothed part (14), the second transmission part (16) has a second toothed part (18), and the second transmission part (16) is connected to the tail of the first transmission part (12). Pulling the end makes the first gear joint (14) and the second gear joint (18) engaged and connected. 6. A fountain pen as claimed in claim 5, characterized in that: the adjustment member (9) has an installation space adapted to the second transmission member (16), and the installation space is provided with a second Three limiting ring grooves (17), the second transmission part (16) has a protruding ring structure matched with the third limiting ring groove (17), and the second transmission part (16) is fixed on the installation inside the space. 7. A fountain pen according to claim 2, characterized in that: the guide structure (11) includes an inclined surface/arc surface provided on the first inner convex structure (5). 8. A pen according to claim 3, characterized in that: the pen case (1) comprises a pen container (101), the ink chamber (2) is located in the pen container (101), and the fixing member (102) is screwed on described pen holder (101) tail end. 9. A fountain pen as claimed in claim 8, characterized in that: said screw member (20) comprises a plug rod (21) and a plug head (22), and said plug head (22) is interference fit on said plug head (22). In the ink chamber (2), the plug head (22) is integrally connected with the plug rod (21), the first transmission member (12) is covered with the plug rod (21), and the plug rod (21 ) is screwed into the first transmission member (12). 10. A fountain pen as claimed in claim 9, characterized in that: the outer peripheral surface of the stopper rod (21) is provided with an outer spiral connection part, and the inner peripheral surface of the first transmission part (12) is provided with an inner screw connection part. In the screw connection structure, the rotation of the first transmission member (12) causes the plug rod (21) to be screwed in/out.

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