pen

Abstract

The application provides a pen. The pen comprises a shell part, a driving part, a transmission part and a pen core part. The shell part comprises a wall body and an outlet end and a terminal end arranged oppositely along the length direction; the wall body surrounds to form a containing cavity of the shell part; the containing cavity is communicated with the outside at the outlet end and the terminal end. The driving part is arranged in the containing cavity, and part of the driving part is exposed from the terminal end. The transmission part is arranged in the containing cavity; the transmission part comprises a rotating member and a translating member connected; one end of the rotating member away from the translating member is in abutment with the driving part; the rotating member can rotate to drive the translating member to move towards or away from the outlet end. The pen core part is arranged in the containing cavity, and one end of the pen core part is connected with the translating member; the driving part can drive the rotating member to rotate to drive the pen core part to move towards the outlet end and be exposed or move away from the outlet end and be hidden in the containing cavity through the transmission part; wherein the moving distance of the driving part along the length direction is less than the moving distance of the translating member along the length direction.

Description

Technical Field

[0001] This application relates to the field of stationery, and more particularly to a pen. Background Technology

[0002] Currently, there are two common types of pens on the market: those that dispense the lead by pressing and those that dispense the lead by opening the cap. The open-cap method requires the user to close the cap after writing, otherwise it can easily lead to problems such as lost caps or damaged lead. The press-cap method requires the user to press the pen with the same force as the lead's travel, resulting in a less than ideal user experience. Utility Model Content

[0003] This application provides a pen to address some or all of the shortcomings of the related art.

[0004] This application provides a pen, including:

[0005] A housing portion includes a wall and an outlet end and an end end disposed opposite each other along the length direction; the wall encloses a receiving cavity forming the housing portion; the receiving cavity communicates with the outside at the outlet end and the end end.

[0006] A driving part is disposed in the receiving cavity, and a portion of the driving part is exposed from the end.

[0007] A transfer section is disposed in the receiving cavity; the transfer section includes a connected rotating member and a translating member; one end of the rotating member away from the translating member abuts against the driving section; the rotating member is rotatable to drive the translating member to move toward or away from the outlet end; and

[0008] A pen refill portion is disposed in the receiving cavity, and one end is connected to the translation member; the driving unit is capable of driving the rotating member to rotate, so as to drive the pen refill portion to move toward the outlet end and be exposed, or to move away from the outlet end and be concealed in the receiving cavity via the transmission unit; wherein, the moving distance of the driving unit along the length direction is less than the moving distance of the translation member in the length direction.

[0009] Furthermore, the rotating component includes an inner ring unit and an outer ring unit connected in the radial direction;

[0010] The inner ring unit includes an inner mating groove; the inner mating groove is recessed from the side of the rotating member toward the outlet end; the inner mating groove includes an inner rotating surface; the projection of the inner rotating surface in the radial direction is inclined; the translation member includes a first mating unit; the first mating unit extends into the inner mating groove and abuts against the inner rotating surface.

[0011] The outer ring unit includes an outer mating groove; the outer mating groove is recessed from the side of the rotating member toward the outlet end; the outer mating groove includes an outer rotating surface; the projection of the outer rotating surface in the radial direction is inclined; the housing portion includes a second mating unit disposed on the side of the wall toward the receiving cavity; the second mating unit extends into the outer mating groove and abuts against the outer rotating surface;

[0012] The tilt direction of the outer rotating surface is opposite to that of the inner rotating surface.

[0013] Further, the inner mating groove includes an inner abutment surface disposed opposite to the inner rotating surface; the inner abutment surface extends along the length direction; the side of the first mating unit away from the inner rotating surface extends along the length direction; and / or,

[0014] The outer mating groove includes an outer abutting surface disposed opposite to the inner rotating surface; the outer abutting surface extends along the length direction; the side of the second mating unit away from the outer rotating surface extends along the length direction.

[0015] Furthermore, the number of the inner mating grooves includes multiple grooves; the multiple inner mating grooves are distributed around the axial direction of the pen; the number of the inner mating grooves corresponds one-to-one with the number of the first mating units; and / or,

[0016] The number of the external mating grooves includes multiple grooves; the multiple external mating grooves are distributed around the axial direction of the pen; the number of the external mating grooves corresponds one-to-one with the number of the second mating units.

[0017] Furthermore, the angle between the inner rotation surface and the horizontal plane is greater than 45 degrees and less than or equal to 80 degrees.

[0018] Furthermore, the rotating component also includes a limiting cavity disposed on the side of the inner ring unit away from the outer ring unit; the portion of the translation component facing the end is located in the limiting cavity.

[0019] Furthermore, in the direction from the end to the outlet end, the inner abutment surface deflects from toward the inner mating groove toward the outer ring unit; and / or,

[0020] In the direction from the end to the outlet end, the outer abutment surface deflects from toward the outer mating groove toward the wall.

[0021] Furthermore, the translation member has multiple positioning protrusions on the side facing the wall; the multiple positioning protrusions form a positioning groove for the translation member; the wall has a guide protrusion on the side facing the translation member; the guide protrusion extends along the length direction; the guide protrusion is located in the positioning groove.

[0022] Furthermore, the surface of the positioning protrusion facing the end is configured as a slope.

[0023] Furthermore, the translation member includes a first ratchet tooth on the side facing the outlet end; the pen refill includes a snap-fit ​​member connected to the translation member; the snap-fit ​​member includes a second ratchet tooth on the side facing the translation member; the first ratchet tooth engages with the second ratchet tooth; the snap-fit ​​member also includes a plurality of guide grooves extending along the length direction;

[0024] When the pen tip is hidden in the receiving cavity, the guide protrusion is located in the guide groove; when the pen tip is exposed from the outlet end, the guide protrusion leaves the guide groove.

[0025] The technical solutions provided by the embodiments of this application may include the following beneficial effects:

[0026] As can be seen from the above embodiments, the pen of this application allows the user to drive the pen refill body to move the desired distance with a shorter stroke. In this way, the reserved space in the receiving cavity for the drive unit can be optimized, allowing for an optimization of the pen's diameter. Furthermore, this method of manipulating the pen refill body reduces the user's driving stroke, enabling the user to switch pen states more quickly.

[0027] It should be understood that the above general description and the following detailed description are exemplary and explanatory only, and are not intended to limit this application. Attached Figure Description

[0028] To more clearly illustrate the technical solutions in the embodiments of this application, the accompanying drawings used in the description of the embodiments will be briefly introduced below. Obviously, the accompanying drawings described below are only some embodiments of this application. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort.

[0029] Figure 1 This is a schematic diagram of an embodiment of the pen of this application; wherein, Figure 1 The pen shown is in a stowed state;

[0030] Figure 2 Shown as Figure 1 The diagram shows the pen in use.

[0031] Figure 3 The diagram shown is a partial schematic of one embodiment of the pen of this application; wherein, Figure 3 The pen shown is in a retracted state, and the casing has been rendered with perspective.

[0032] Figure 4 Shown as Figure 3 A partial schematic diagram showing the pen in use;

[0033] Figure 5 The diagram shown is a partial schematic of one embodiment of the pen of this application; wherein, Figure 5 The housing and drive section are hidden, and the rotating parts are rendered with a perspective effect;

[0034] Figure 6 A partial cross-sectional schematic diagram is shown for one embodiment of the housing portion of the pen of this application;

[0035] Figure 7 The diagram shows an overall schematic of one embodiment of the rotating component of the pen according to this application; wherein the outer ring unit is rendered in perspective.

[0036] Figure 8 Shown as Figure 7 The diagram shows the overall structure of the rotating component; the outer ring units are shown in blue, and the inner ring units are shown in red.

[0037] Explanation of reference numerals in the attached figures:

[0038] 100 pens, 1 housing, 11 wall, 12 outlet end, 13 end, 14 receiving cavity, 15 second mating unit, 16 guide protrusion, 17 snap ring, 18 machining structure, 2 driving unit, 21 actuating component, 211 annular protrusion, 22 pushing component, 221 mating dome, 23 connecting component, 3 transmission unit, 31 rotating component, 3111 inner ring unit, 3111 inner mating groove, 3111a inner rotating surface, 3111b inner abutting surface, 312 outer ring unit, 3121 outer mating groove, 3121a outer rotating surface, 3121b outer abutting surface, 313 limiting cavity, 32 translation component, 321 first mating unit, 322 positioning protrusion, 323 positioning groove, 324 first ratchet, 4 pen core, 41 pen core body, 42 snap ring, 421 second ratchet, 422 guide groove, Z length direction, R radial direction, α included angle. Detailed Implementation

[0039] The technical solutions in the embodiments (or "implementations") of this application will be clearly and completely described herein with reference to the accompanying drawings. When the following description relates to the drawings, unless otherwise indicated, the same numbers in different drawings represent the same or similar elements.

[0040] If the embodiments of this application contain terms relating to directional indications or positional relationships (such as up, down, left, right, front, back, inside, outside, top, bottom, center, vertical, horizontal, longitudinal, transverse, length, width, counterclockwise, clockwise, axial, radial, circumferential, etc.), such terms are only used to explain the relative positional relationships and movements between components in a specific posture (as shown in the attached figures); if the specific posture changes, the directional indications or positional relationships will also change accordingly. Furthermore, the terms "first" and "second" used in the embodiments of this application are only for descriptive convenience and should not be construed as indicating or implying relative importance.

[0041] refer to Figures 1 to 4 This application provides a pen 100. The pen 100 includes a housing portion 1, a driving portion 2, a transmission portion 3, and a pen refill portion 4. The housing portion 1 includes a wall 11 and an outlet end 12 and an end end 13 disposed opposite each other along the length direction Z. The wall 11 surrounds a receiving cavity 14 forming the housing portion 1. The receiving cavity 14 communicates with the outside at the outlet end 12 and the end end 13. The driving portion 2 is disposed in the receiving cavity 14, and a portion of the driving portion 2 protrudes from the end end 13. The transmission portion 3 is disposed in the receiving cavity 14 and includes a connected rotating member 31 and a translating member 32. The end of the rotating member 31 away from the translating member 32 abuts against the driving portion 2. The rotating member 31 is rotatable to drive the translating member 32 to move toward or away from the outlet end 12. The pen refill portion 4 is disposed in the receiving cavity 14, and one end is connected to the translating member 32. The driving portion 2 is capable of driving the rotating member 31 to rotate, so that the pen refill portion 4 is driven to move toward and protrude toward the outlet end 12 via the transmission portion 3 (e.g., as shown in the image). Figure 2 (as shown in the usage state), or move away from the outlet end 12 and retract into the receiving cavity 14 (as shown in the usage state). Figure 1 (As shown in the retracted state). The driving unit 2 moves a distance less than the translation member 32 moves a distance less than the distance the translation member 32 moves in the length direction Z.

[0042] When the user needs to switch the pen 100 between its active and retracted states, they only need to operate the drive unit 2. Force is then transmitted from the drive unit 2 to the pen tip 4 via the transmission unit 3. The translation member 32 is connected to the pen tip 4, so the distance the translation member 32 moves in the longitudinal direction Z is equal to the distance the pen tip 4 moves in the longitudinal direction Z. However, the distance the drive unit 2 moves in the longitudinal direction Z is less than the distance the translation member 32 moves in the longitudinal direction Z. Therefore, the distance the drive unit 2 moves in the longitudinal direction Z is amplified by the transmission unit 3, allowing the drive unit 2 to drive the pen tip 4 to move a sufficient distance using a shorter distance.

[0043] With this configuration, when a user uses the pen 100 of this application, the pen refill body 41 of the pen refill portion 4 can be moved to the required distance with a shorter stroke. Thus, the reserved space in the receiving cavity 14 for the drive portion 2 can be optimized, allowing for an optimization of the pen 100's diameter. Furthermore, this method of manipulating the pen refill body 41 reduces the user's drive stroke, enabling the user to switch the pen 100's states more quickly.

[0044] The drive unit 2 can be a common press-driven type, whereby the user presses the drive unit 2 towards the inside of the receiving cavity 14 with their finger. Alternatively, the drive unit 2 can be as follows: Figure 1 and Figure 2 The illustrated flicking method involves the user flicking the extension direction of the drive unit 2 to form a certain angle with the extension direction of the housing unit 1. At this time, the drive unit 2, due to its tilt, will have a slight travel distance in the length direction Z. Since the transmission unit 3 can amplify the travel distance of the drive unit 2 to push the pen refill body 41 a sufficient distance, the pen 100 of this application can also switch its state by flicking. Therefore, the pen 100 of this application can also accommodate different ways of driving the pen refill, which helps to improve the design and usability of the pen 100.

[0045] refer to Figure 3 and Figure 4 Optionally, the drive unit 2 includes a toggle member 21 and a pusher member 22 connected together. The toggle member 21 protrudes from the end 13 of the receiving cavity 14. The user can change the position of the toggle member 21 in the longitudinal direction Z by changing the angle of the toggle member 21. The pusher member 22 is disposed in the receiving cavity 14, with one end abutting against the toggle member 21 and the other end abutting against the rotating member 31. When the toggle member 21 changes position in the longitudinal direction Z, the pusher member 22 moves in the longitudinal direction Z due to the displacement change of the toggle member 21, thereby pushing the rotating member 31 to rotate. With this arrangement, an intermediate structure is provided between the toggle member 21 and the rotating member 31 for force transmission, so the matching relationship required for the operation of the toggle member 21 and the rotating member 31 can be designed through the pusher member 22. This arrangement can effectively reduce the design and matching difficulty of the rotating member 31 and the toggle member 21, thereby reducing the overall cost of the pen 100.

[0046] For example, such as Figure 4As shown, the actuating member 21 has an arcuate groove on the side facing the outlet end 12, and the pushing member 22 is configured with a mating dome 221 on the side facing the end 13. When the pen 100 is in the retracted state, the arcuate groove and the mating dome 221 can fit together. When the user wants to switch the pen 100 to the use state, the actuating member 21 can be actuated from various angles to push the pushing member 22. Compared to a solution where the pushing member 22 is flat on the side facing the actuating member 21, the mating dome 221 allows the actuating member 21 to move along the outer periphery of the mating dome 221 when tilted, thus enabling the pushing member 22 to move a greater distance. Compared to a solution where the rotating member 31 has a dome on the side facing the end 13 and the actuating member 21 directly abuts against the rotating member 31, this embodiment can effectively reduce the design and manufacturing difficulty of the rotating member 31.

[0047] Optionally, the drive unit 2 may also include a connector 23. The housing part 1 has a snap-fit ​​ring 17 (e.g., on the side of the wall 11 facing the receiving cavity 14) provided. Figure 6 (As shown). The connector 23 is disposed in the receiving cavity 14 and engages with the snap-fit ​​ring 17. The actuating member 21 and the pushing member 22 are disposed in the cavity of the connector 23 away from the wall 11. With this arrangement, the drive unit 2 can be quickly connected to the housing unit 1 via a snap-fit ​​connection without requiring a more complex snap-fit ​​design for the housing unit 1. This not only reduces the design difficulty of the housing unit 1 but also reduces the processing difficulty and improves the yield rate.

[0048] exist Figure 1 and Figure 2 In the illustrated embodiment, the actuating member 21 is further provided with an annular protrusion 211 on the side away from the housing part 1, thereby enabling quick engagement with the outer trim. The pen 100 can then be fitted with different trims according to the consumer's preferences.

[0049] exist Figure 4 In the illustrated embodiment, the housing portion 1 also has a processing structure 18 on the side of the wall 11 facing the receiving cavity 14. This is because the housing portion 1 is an integral structure extending along the length direction Z, therefore, in processes such as injection molding, a sufficiently long core is required to define the space of the receiving cavity 14. If there is only one core, then the mold for producing the housing portion 1 needs to allow the core to have sufficient travel distance to leave the receiving cavity 14. This will result in an increase in mold volume. During production, the structure of the housing portion 1 of this application allows two cores to leave the receiving cavity 14 from the exit end 12 and the end end 13 respectively, and the processing structure 18 is formed at the contact point of the two cores during the injection molding process. This arrangement is beneficial for controlling the travel distance of the cores, thereby reducing the cost of the mold and pen 100.

[0050] Combination Figures 5 to 6 The following will describe the transmission section 3 of this application.

[0051] In some embodiments, the rotating member 31 includes an inner ring unit 311 connected in the radial direction R. Figure 7 and Figure 8 (shown in red) and outer ring unit 312 ( Figure 7 The gray semi-transparent part Figure 8 (The blue portion is shown). The inner ring unit 311 includes an inner mating groove 3111. The inner mating groove 3111 is recessed from the side of the rotating member 31 facing the outlet end 12. The inner mating groove 3111 includes an inner rotating surface 3111a. The projection of the inner rotating surface 3111a in the radial direction R is inclined. The translation member 32 includes a first mating unit 321. The first mating unit 321 extends into the inner mating groove 3111 and abuts against the inner rotating surface 3111a. The outer ring unit 312 includes an outer mating groove 3121. The outer mating groove 3121 is recessed from the side of the rotating member 31 facing the outlet end 12. The outer mating groove 3121 includes an outer rotating surface 3121a. The projection of the outer rotating surface 3121a in the radial direction R is inclined. The housing portion 1 includes a second mating unit 15 disposed on the side of the wall 11 facing the receiving cavity 14. The second mating unit 15 extends into the outer mating groove 3121 and abuts against the outer rotating surface 3121a. The tilt direction of the outer rotating surface 3121a is opposite to that of the inner rotating surface 3111a.

[0052] The tilt direction of the outer rotation surface 3121a is opposite to the tilt direction of the inner rotation surface 3111a, so that... Figure 8 Taking the shown perspective as an example: a vertical surface extending along the length direction Z, when rotated clockwise by an acute angle, forms an inclined outer rotating surface 3121a; a vertical surface extending along the length direction Z, when rotated counterclockwise by an acute angle, forms an inclined inner rotating surface 3111a. Of course, in other embodiments, the vertical surface can also be either rotated counterclockwise by an acute angle to form the outer rotating surface 3121a, or rotated clockwise by an acute angle to form the inner rotating surface 3121a. The orientations of the inner rotating surface 3111a and the outer rotating surface 3121a only affect the rotation direction of the rotating component 31.

[0053] The second mating unit 15 is provided on the housing portion 1, thus serving as a stationary reference frame. When the rotating member 31 is subjected to a force from the end 13 toward the outlet end 12, the rotating member 31 moves toward the outlet end 12. With the cooperation of the second mating unit 15 and the outer rotating surface 3121a, the rotating member 31 rotates around the axis of the pen 100. As the rotating member 31 rotates, the position of the first mating unit 321 abutting against the inclined inner rotating surface 3111a changes, causing the translation member 32 to move toward the outlet end 12 under the push of the inner rotating surface 3111a. Thus, the pen core portion 4 connected to the translation member 32 on the side away from the rotating member 31 moves toward the outlet end 12, at which point the pen 100 switches to the usage state.

[0054] Conversely, when the rotating member 31 is subjected to a force from the outlet end 12 towards the end end 13, the rotating member 31 moves toward the end end 13. With the cooperation of the second mating unit 15 and the outer rotating surface 3121a, the rotating member 31 rotates around the axis of the pen 100. Due to the rotation of the rotating member 31, the position of the first mating unit 321 abutting against the inclined inner rotating surface 3111a changes, causing the translation member 32 to move toward the outlet end 12 under the push of the inner rotating surface 3111a. Thus, the pen core portion 4 connected to the translation member 32 on the side away from the rotating member 31 moves toward the outlet end 12, at which point the pen 100 switches to the retracted state.

[0055] With this configuration, the outer ring unit 312 and the housing 1 cooperate to achieve the rotation of the rotating unit; the inner ring unit 311 and the translation member 32 cooperate to achieve the translation of the pen refill 4. Compared with the embodiment of the planar translation member 32, the inclination of the inner rotating surface 3111a can amplify the travel of the translation member 32, thereby amplifying the travel of the pen refill body 41 in the length direction Z.

[0056] In fact, when the rotational angular displacement of the rotating member 31 is the same, the larger the angle α between the inner rotating surface 3111a and the horizontal plane, the greater the travel distance of the translation member 32 pushed by the inner rotating surface 3111a in the longitudinal direction Z. Conversely, when the rotational angular displacement of the rotating member 31 is the same, the smaller the angle α between the inner rotating surface 3111a and the horizontal plane, the smaller the travel distance of the translation member 32 pushed by the inner rotating surface 3111a in the longitudinal direction Z. In other words, the amplification of the travel distance of the transmission unit 3 to the driving unit 2 can be adjusted by adjusting the angle α between the inner rotating surface 3111a and the horizontal plane. However, if the angle α is too large, the force parallel to the radial direction R applied by the inner rotating surface 3111a to the first mating unit 321 will increase, which may easily cause damage to the first mating unit 321. If the angle α is too small, the effect of amplifying the travel distance will be weakened.

[0057] Therefore, in an optional embodiment, the angle α between the inner rotating surface 3111a and the horizontal plane is greater than 45 degrees and less than or equal to 80 degrees. For example, the angle α can be any value between 45.5 degrees, 50 degrees, 55 degrees, 60 degrees, 65 degrees, 70 degrees, 75 degrees, 80 degrees, or any value in between. Angle α within this range can better balance the stroke amplification effect and the service life of the translation component 32.

[0058] Even if there is only one inner mating groove 3111 and one outer mating groove 3121, the transmission unit 3 can still achieve stroke transmission. In an optional embodiment, the number of inner mating grooves 3111 and outer mating grooves 3121 are both multiple. The multiple inner mating grooves 3111 are distributed around the axial direction of the pen 100. The multiple outer mating grooves 3121 are distributed around the axial direction of the pen 100. The number of inner mating grooves 3111 corresponds one-to-one with the number of first mating units 321. The number of outer mating grooves 3121 corresponds one-to-one with the number of second mating units 15. By providing multiple outer mating grooves 3121 and multiple second mating units 15, the pressure applied by the second mating units 15 to the outer rotating surface 3121a during the operation of the rotating member 31 can be evenly distributed. Similarly, by providing multiple outer mating grooves 3121 and multiple second mating units 15, the pressure applied by the inner rotating surface 3111a to the first mating unit 321 during the operation of the rotating member 31 can be evenly distributed. This configuration improves the smoothness and stability of the movement of the transmission unit 3 during operation, preventing the user from having difficulty switching the pen 100's state after operating the drive unit 2.

[0059] Of course, one of the inner mating grooves 3111 and the outer mating grooves 3121 may have multiple numbers, while the other may have only one. Furthermore, the number of inner mating grooves 3111 and outer mating grooves 3121 may be the same or different.

[0060] like Figure 8 As shown, in some optional embodiments, in the direction from end 13 to outlet end 12, the inner abutment surface 3111b deflects from toward the inner mating groove 3111 toward the outer ring unit 312. That is, in Figure 8 In the view shown, the inner abutment surface 3111b is positioned closer to the outer ring unit 312 towards the lower part. With this arrangement, as the translation member 32 moves from the end 13 towards the outlet end 12, the contact area between the first mating unit 321 and the inner abutment surface 3111b gradually decreases, thereby reducing the friction between them. Conversely, as the translation member 32 moves from the outlet end 12 towards the end 13, the contact area between the first mating unit 321 and the inner abutment surface 3111b gradually increases, thereby increasing the contact force between them and facilitating the pushing of the rotating member 31 during the next state switch.

[0061] Similarly, in the direction from end 13 to outlet end 12, the outer abutment surface 3121b deflects from towards the outer mating groove 3121 towards the wall 11. That is, in Figure 8In the view shown, the outer interface, closer to the bottom, faces outwards. Similar to the inner abutment surface 3111b, this arrangement facilitates the movement and engagement of the second mating unit 15 and the outer abutment surface 3121b. Further details will not be elaborated upon in this application.

[0062] Optionally, the inner mating groove 3111 includes an inner abutment surface 3111b disposed opposite to the inner rotating surface 3111a. The inner abutment surface 3111b extends along the length direction Z. The side of the first mating unit 321 away from the inner rotating surface 3111a extends along the length direction Z. The outer mating groove 3121 includes an outer abutment surface 3121b disposed opposite to the inner rotating surface 3111a. The outer abutment surface 3121b extends along the length direction Z. The side of the second mating unit 15 away from the outer rotating surface 3121a extends along the length direction Z. Thus, during the assembly of the rotating component 31, the outer abutment surface 3121b extending along the length direction Z and the second mating unit 15 can achieve a guiding function, guiding the rotating component 31 to be assembled to a fixed position. Similarly, during the assembly of the translation component 32 and the rotating component 31, the inner abutment surface 3111b extending along the length direction Z and the first mating unit 321 can achieve a guiding assembly function.

[0063] like Figure 5 As shown, optionally, the rotating member 31 also includes a limiting cavity 313 disposed on the side of the inner ring unit 311 away from the outer ring unit 312. The portion of the translating member 32 facing the end 13 is located in the limiting cavity 313. In this way, the translating member 32 and the rotating member 31 maintain a certain positional relationship, preventing the translating member 32 from moving away from the rotating member 31 and failing to return to the state where the first mating unit 321 and the inner abutting surface 3111b abut, and the second mating unit 15 and the outer abutting surface 3121b abut, respectively. Of course, in other embodiments, the translating member 32 may also have only the first mating unit 321 in contact with the rotating member 31. This application is not limited in this respect.

[0064] Combination Figures 4 to 5 Optionally, the translation member 32 has a plurality of positioning protrusions 322 on the side facing the wall 11. Positioning grooves 323 of the translation member 32 are formed between the plurality of positioning protrusions 322. A guide protrusion 16 is provided on the side of the wall 11 facing the translation member 32. The guide protrusion 16 extends along the length direction Z. The guide protrusion 16 is located in the positioning groove 323. The cooperation between the guide protrusion 16 and the positioning groove 323 ensures that the translation member 32 can only translate along the length direction Z, preventing the rotating member 31 from rotating the translation member 32 during rotation, thus avoiding malfunction of the transmission part 3. Of course, in other embodiments, preventing the translation member 32 from rotating can also be achieved, for example, by increasing the roughness between the translation member 32 and the wall surface of the receiving cavity 14.

[0065] Furthermore, such as Figure 5As shown, the surface of the positioning protrusion 322 facing the end 13 can be set as an inclined surface. In this way, when the assembler assembles the pen 100, the inclined positioning protrusion 322 can guide the positioning between the positioning groove 323 and the guide protrusion 16, avoiding damage to the translation component 32 caused by sharp corner collisions.

[0066] In the above embodiments, maintaining the usage state can be achieved by holding the drive part 2 in a certain position, thereby providing an abutment position for the pen refill body 41 and resisting the force exerted by the user during writing. Alternatively, the translation member 32 may include a first ratchet 324 on the side facing the outlet end 12. The pen refill 4 includes a latching member 42 connected to the translation member 32. The latching member 42 includes a second ratchet 421 on the side facing the translation member 32. The first ratchet 324 engages with the second ratchet 421. The latching member 42 also includes a plurality of guide grooves 422 extending along the length direction Z. When the pen refill 4 is concealed in the receiving cavity 14, the guide protrusion 16 is located in the guide groove 422. At this time, the latching member 42 can only move along the length direction Z. When the pen refill 4 is exposed from the outlet end 12, the guide protrusion 16 leaves the guide groove 422. Then, the latching member 42 rotates under the action of the second ratchet 421 and the first ratchet 324. At this time, the second ratchet 421 and the first ratchet 324 are engaged, and the pen 100 remains in use.

[0067] When the force from the drive unit 2 disappears, the transmission unit 3 and the pen tip 4 can move toward the end 13. To prevent the pen tip 4 from moving freely along the length direction Z, a damping ring can be provided between the pen tip body 41 and the wall 11 to increase friction. Alternatively, the pen 100 may include an elastic element (not shown). The elastic element can be provided between the pen tip body 41 and the outlet end 12 and remain in a compressed state. When the force from the drive unit 2 disappears, the pen tip body 41 moves toward the end 13 under the force of the elastic element, thereby keeping the pen 100 in the retracted state.

[0068] It should be noted that the technical solutions or features described in the above embodiments can be combined or supplemented with each other without conflict. The scope of protection of this application is not limited to the precise structures described in the above embodiments and shown in the accompanying drawings; all modifications, equivalent substitutions, improvements, etc., made within the spirit and principles of this application should be included within the scope of protection of this application.

Claims

1. A pen characterized by, include: The housing portion includes a wall and an outlet end and an end end disposed opposite each other along the length direction; the wall encloses a receiving cavity forming the housing portion; The receiving cavity is connected to the outside at the outlet end and the end end; A driving part is disposed in the receiving cavity, and a portion of the driving part is exposed from the end. A transfer section is disposed in the receiving cavity; the transfer section includes a connected rotating member and a translating member; one end of the rotating member away from the translating member abuts against the driving section; the rotating member is rotatable to drive the translating member to move toward or away from the outlet end; as well as A pen refill portion is disposed in the receiving cavity, and one end is connected to the translation member; the driving unit is capable of driving the rotating member to rotate, so as to drive the pen refill portion to move toward the outlet end and be exposed, or to move away from the outlet end and be concealed in the receiving cavity via the transmission unit; wherein, the moving distance of the driving unit along the length direction is less than the moving distance of the translation member in the length direction.

2. A pen according to claim 1, characterized in that The rotating component includes an inner ring unit and an outer ring unit connected in the radial direction; The inner ring unit includes an inner mating groove; the inner mating groove is recessed from the side of the rotating member toward the outlet end; the inner mating groove includes an inner rotating surface; the projection of the inner rotating surface in the radial direction is inclined; the translation member includes a first mating unit; the first mating unit extends into the inner mating groove and abuts against the inner rotating surface. The outer ring unit includes an outer mating groove; The outer mating groove is recessed from the side of the rotating member toward the outlet end; the outer mating groove includes an outer rotating surface; the projection of the outer rotating surface in the radial direction is inclined; the housing portion includes a second mating unit disposed on the side of the wall toward the receiving cavity; the second mating unit extends into the outer mating groove and abuts against the outer rotating surface; The tilt direction of the outer rotating surface is opposite to that of the inner rotating surface.

3. A pen according to claim 2, wherein The inner mating groove includes an inner abutting surface disposed opposite to the inner rotating surface; the inner abutting surface extends along the length direction; the side of the first mating unit away from the inner rotating surface extends along the length direction; and / or, The outer mating groove includes an outer abutting surface disposed opposite to the inner rotating surface; the outer abutting surface extends along the length direction; the side of the second mating unit away from the outer rotating surface extends along the length direction.

4. The pen according to claim 2, characterized in that, The number of the inner mating grooves includes multiple grooves; the multiple inner mating grooves are distributed around the axial direction of the pen; the number of the inner mating grooves corresponds one-to-one with the number of the first mating units; and / or, The number of the external mating grooves includes multiple grooves; the multiple external mating grooves are distributed around the axial direction of the pen; the number of the external mating grooves corresponds one-to-one with the number of the second mating units.

5. The pen according to claim 2, characterized in that, The angle between the inner rotation plane and the horizontal plane is greater than 45 degrees and less than or equal to 80 degrees.

6. The pen according to claim 2, characterized in that, The rotating component further includes a limiting cavity disposed on the side of the inner ring unit away from the outer ring unit; the portion of the translation component facing the end is located in the limiting cavity.

7. The pen according to claim 3, characterized in that, In the direction from the end to the outlet end, the inner abutment surface deflects from toward the inner mating groove toward the outer ring unit; and / or, In the direction from the end to the outlet end, the outer abutment surface deflects from toward the outer mating groove toward the wall.

8. The pen according to claim 1, characterized in that, The translation member has multiple positioning protrusions on the side facing the wall; the multiple positioning protrusions form a positioning groove for the translation member; the wall has a guide protrusion on the side facing the translation member; the guide protrusion extends along the length direction; the guide protrusion is located in the positioning groove.

9. The pen according to claim 8, characterized in that, The surface of the positioning protrusion facing the end is set as an inclined surface.

10. The pen according to claim 8, characterized in that, The translation member includes a first ratchet tooth on the side facing the outlet end; the pen lead includes a snap-fit ​​member connected to the translation member; the snap-fit ​​member includes a second ratchet tooth on the side facing the translation member; the first ratchet tooth engages with the second ratchet tooth; the snap-fit ​​member also includes a plurality of guide grooves extending along the length direction; When the pen tip is hidden in the receiving cavity, the guide protrusion is located in the guide groove; when the pen tip is exposed from the outlet end, the guide protrusion leaves the guide groove.

Images