WO2021129089A1 - Structure de poussée à verrouillage automatique et stylo rétractable l'utilisant - Google Patents

Structure de poussée à verrouillage automatique et stylo rétractable l'utilisant Download PDF

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Publication number
WO2021129089A1
WO2021129089A1 PCT/CN2020/122650 CN2020122650W WO2021129089A1 WO 2021129089 A1 WO2021129089 A1 WO 2021129089A1 CN 2020122650 W CN2020122650 W CN 2020122650W WO 2021129089 A1 WO2021129089 A1 WO 2021129089A1
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WO
WIPO (PCT)
Prior art keywords
left frame
pressing
piece
limiting
sliding
Prior art date
Application number
PCT/CN2020/122650
Other languages
English (en)
Chinese (zh)
Inventor
余成鹏
陶爱琴
Original Assignee
陶爱琴
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by 陶爱琴 filed Critical 陶爱琴
Publication of WO2021129089A1 publication Critical patent/WO2021129089A1/fr

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B43—WRITING OR DRAWING IMPLEMENTS; BUREAU ACCESSORIES
    • B43K—IMPLEMENTS FOR WRITING OR DRAWING
    • B43K24/00—Mechanisms for selecting, projecting, retracting or locking writing units
    • B43K24/02—Mechanisms for selecting, projecting, retracting or locking writing units for locking a single writing unit in only fully projected or retracted positions
    • B43K24/08—Mechanisms for selecting, projecting, retracting or locking writing units for locking a single writing unit in only fully projected or retracted positions operated by push-buttons
    • B43K24/082—Mechanisms for selecting, projecting, retracting or locking writing units for locking a single writing unit in only fully projected or retracted positions operated by push-buttons placed on the side

Definitions

  • the present invention relates to the technical field of press self-locking, and more specifically, to a press self-locking structure.
  • the pressing self-locking structure is used in all aspects of life, such as socket switch, pressing flashlight switch, pressing writing pen, etc.
  • the existing pressing self-locking structure usually only needs a small amount of force to trigger the depression during use in order to facilitate the use.
  • Button when the button is accidentally touched during use, the whole device will start up. When applied to the switch button for electricity, it will easily lead to unnecessary waste of energy consumption, and for young children, it is often pressed back and forth repeatedly. Too many times of pressing the switch button of life can easily reduce its service life.
  • the pressing pen when external objects accidentally press the pressing part at the back of the pressing pen during use or carrying, it is easy to expose the tip of the pen core. Furthermore, the pen oil is easily contaminated on external objects, and at the same time, the external objects are also likely to cause abrasion on the pen tip, which may cause the pen ball to fall and cause oil leakage during the writing process.
  • the purpose of the present invention is to provide a pressing self-locking structure, which can press the pressing piece to realize the axial movement of the sliding connection piece in the right frame, thereby prompting the sliding connection piece to drive the external component Move to realize the use and unused states of the external components.
  • the operation is simple and convenient, the flexibility is strong, and when the external force is small, the pressing piece is not easy to move downwards in the right frame, and it is not easy to cause the entire device to fail. When triggered, the device remains in an unused state, thereby reducing unnecessary trouble caused by false touches from the outside world.
  • the second objective of the present invention is to provide the above-mentioned pen with a pressing and self-locking structure.
  • the present invention adopts the following technical solutions.
  • a pressing and self-locking structure comprising a left frame body and a right frame body fixed at the rear of the left frame body, a sliding connection piece is arranged inside the left frame body, and an inner wall of the front part of the left frame body is fixedly arranged
  • a return spring is sleeved between the sliding connecting piece and the upper part of the left frame body; the upper part of the left frame body is provided with a pressing part for driving the sliding connecting piece to slide axially relative to the left frame body, and the upper part of the left frame body is excavated
  • the pressing piece is movable up and down in the left frame.
  • the lower end of the pressing piece is fixed to at least one engaging piece for clamping with the left frame; the inner wall of the left frame is provided with at least one
  • the upper part of the sliding connecting piece is excavated with at least one matching structure that can be deformed and disengaged from the clamped state of the restricting piece. The pressing piece is pressed down once, and the engaging piece is driven to slide.
  • the connecting piece moves axially forward in the left frame, and the sliding connecting piece and the left frame are axially compressed to the first state; the engaging piece is locked into the limiting piece, and the distance between the sliding connecting piece and the right frame Enlarge the pressing piece to further press down, the fitting groove squeezes the engagement piece, the engagement piece deforms and breaks away from the limiting piece; release the pressing piece, the engagement piece returns to position along the engagement groove under the elastic force of the return spring, and slides the connecting piece
  • the second state where the axial distance from the left frame body is released to the maximum, the original distance between the sliding connector and the right frame body is restored.
  • the pressing piece can be pressed to realize the axial movement of the sliding connection piece in the right frame, and then the sliding connection piece can drive the external component to move, so as to realize the two states of using and not using the external component.
  • the operation is simple and convenient, and the flexibility is strong.
  • the pressing member is not easy to move downwards in the right frame, and then it is not easy to cause the trigger of the whole device, and the device is kept in an unused state, thereby reducing unnecessary externalities caused by false touch. trouble.
  • the sliding connecting piece includes a slider slidably connected to the bottom of the left frame and an annular positioning block fixed at the front of the slider, the return spring is located between the annular positioning block and the slider, and the slider is located at the limit.
  • the annular positioning block presses the return spring, and the distance between the slider and the right frame body increases.
  • the mating structure includes a mating groove excavated in the upper part of the slider, and a first guide surface and a second guide surface provided on the mating groove.
  • the second guide surface is located inside the first guide surface, and the second guide surface is located on the inner side of the first guide surface.
  • the top of the guide surface is connected with the lower part of the second guide surface.
  • the pressing member includes a lower pressing block matched with the movable insertion hole and at least one anti-dropping block fixed at the bottom of the lower pressing block, the anti-dropping block is located on the inner side of the engaging member, and the anti-dropping block The right end is in contact with the inner wall of the front part of the left frame.
  • the pressing piece is limited.
  • the pressing piece is not easy to be ejected from the movable socket, or the pressing piece is not easy to fall out of the left frame in daily use.
  • the pressing piece is prevented from falling off during the up and down movement of the pressing piece.
  • the block can play a guiding role for the pressing member.
  • the lateral length of the anti-dropping block is greater than the lateral cross-sectional length of the movable insertion hole, so that the length of the anti-dropping block is sufficient, so that the entire pressing member is not easy to slip out of the left frame.
  • the outer side wall of the lower end of the engaging member is provided with a second sliding surface that is slidably connected to the matching structure
  • the rear side of the engaging member is provided with a first sliding surface
  • the upper part of the rear side of the engaging member is provided with a first sliding surface.
  • the inner wall is provided with a clamping limit surface that is hooked and clamped with the limit element. In the initial state, that is, when the clamping element is located on the upper side of the limit element, the first sliding surface conflicts with the limit element, and the front end of the clamping element is in contact with the limit element.
  • the first guide surface is in conflict.
  • the clamping and limiting surface engages with the limiting member.
  • the second sliding surface is engaged with the limiting member. Under the guiding action of the two guiding surfaces, the second sliding surface moves along the second guiding surface.
  • the limiting member includes a guide surface and a limiting surface respectively provided at the lower part of the front side of the limiting member, a clamping portion is formed between the limiting surface and the limiting surface, and the clamping portion is connected to the The clamping and limiting surfaces match.
  • the first solution in order to solve the second invention objective, the present invention adopts the following second technical solution: pressing the self-locking structure of the above solution, the solution also includes a front pen holder and a rear pen holder that are nested with each other, the front pen holder and The rear pen barrel is sheathed with a pen core, the return spring is clamped between the pen core and the front pen barrel, and the pressing member is arranged on the outer wall of the front part of the front pen barrel for driving the rear pen barrel to slide axially in the front pen barrel, The outer wall of the front part of the front pen barrel is excavated with a pressing hole for the pressing member to move up and down in the front pen barrel, the at least one limiting member is fixed on the inner wall of the front part of the front pen barrel, and the matching structure is provided on the inner wall of the front pen barrel.
  • the rear pen holder is located at one end of the front pen holder.
  • the engaging piece on the pressing piece is located on the upper side of the limiting piece, and the pen core is hidden inside the front pen holder.
  • the lower Press the pressing piece the engaging piece gradually moves down along the first guide surface and the guide surface until it engages with the limiting piece.
  • the pen core is exposed, and the pressing piece is pressed down again.
  • the engaging piece is engaged The part is separated from the limiting part and moves along the second guide surface on the second guide surface. At this time, the return spring is in a compressed state.
  • the pressing part and the engaging part are in the front pen barrel. Move upward until the engaging member returns to its original position, that is, the engaging member conflicts with the guiding surface and the first guiding surface, and the pen core is hidden at this time.
  • the advantages of the present invention are: (1) This solution can press the pressing member to realize the axial movement of the sliding connection piece in the right frame, thereby prompting the sliding connection piece to drive the external component to move ,
  • the operation is simple and convenient, the flexibility is strong, and when the external force is small, the pressing piece is not easy to move downwards in the right frame, and it is not easy to cause the trigger of the whole device , The device is kept in an unused state, thereby reducing unnecessary trouble caused by false touches from the outside world.
  • the sliding connecting piece includes a sliding block slidably connected to the bottom of the left frame body and an annular positioning block fixed on the front of the sliding block.
  • the return spring is located between the annular positioning block and the sliding block is located on the lower side of the limiting member.
  • the mating structure includes a mating groove excavated in the upper part of the sliding block, and a first guide surface and a second guide surface provided on the mating groove.
  • the second guide surface is located inside the first guide surface, and the top of the second guide surface Connected to the lower part of the second guide surface.
  • the engaging member is located on the upper side of the limiting member, and the engaging member respectively conflicts with the limiting member and the first guiding surface to maintain and fix.
  • the pressing member is pressed down again, and under the guiding action of the second guide surface, the engaging member is separated from the limiting member so that the pressing member can return to the original position.
  • the pressing member includes a lower pressing block matched with the movable socket and at least one anti-dropping block fixed at the bottom of the lower pressing block.
  • the anti-dropping block is located on the inner side of the engaging member, and the right end of the anti-dropping block is in front of the left frame.
  • the inner wall of the part is in contact with each other.
  • the lateral length of the anti-dropping block is greater than the transverse cross-sectional length of the movable socket, so that the length of the anti-dropping block is sufficient, so that the entire pressing piece is not easy to slip out of the left frame.
  • the outer side wall of the lower end of the engaging member is provided with a second sliding surface that is slidably connected with the matching structure, the rear side of the engaging member is provided with a first sliding surface, and the inner wall of the upper rear side of the engaging member is provided with a limiter
  • the position member is hooked on the clamping limit surface of the clamping member.
  • the first sliding surface collides with the limit member
  • the front end of the clamping member collides with the first guide surface.
  • the clamping limit surface is clamped with the limit piece.
  • the second sliding surface moves along the second guide surface.
  • the limiter includes a guide surface and a limit surface respectively arranged at the lower part of the front side of the limiter, a clamping part is formed between the limit surface and the limit surface, and the clamping part matches the clamping limit surface
  • the front pen holder and the rear pen holder are sheathed with refills, the return spring is clamped between the refill and the front pen holder, and the pressing member is arranged on the outer wall of the front part of the front pen holder It is used to drive the rear pen holder to slide axially in the front pen holder.
  • the outer wall of the front part of the front pen holder is provided with a pressing hole for the pressing part to move up and down in the front pen holder. At least one limiting part is fixed on the front part of the front pen holder.
  • the matching structure is set at the end of the rear pen holder inside the front pen holder.
  • the engaging piece on the pressing piece is located on the upper side of the limiting piece, and the pen core is hidden inside the front pen holder.
  • the front pen barrel press down the pressing piece, and the engaging piece will gradually move down along the first guide surface and the guiding surface to engage with the limiting piece.
  • the pen core is exposed, press down the pressing piece again, on the second guide surface
  • the engaging member is separated from the limiting member and moves along the second guiding surface on the second guide surface.
  • the return spring is in a compressed state.
  • Fig. 1 is a three-dimensional structural diagram of the first embodiment of the present invention
  • Fig. 2 is a cross-sectional structure diagram of the first embodiment of the present invention
  • Fig. 3 is a cross-sectional structure of the sliding connecting member, the limiting member and the mating groove portion of the first embodiment of the present invention Schematic diagram
  • FIG. 4 is a schematic diagram of the three-dimensional structure of the sliding connection part of the first embodiment of the present invention
  • FIG. 5 is a schematic diagram of the three-dimensional structure of the pressing part of the first embodiment of the present invention
  • FIG. 6 is the pressing part of the first embodiment of the present invention
  • Fig. 7 is a schematic view of the three-dimensional structure of the stopper part of the first embodiment of the present invention
  • Fig. 1 is a three-dimensional structural diagram of the first embodiment of the present invention
  • Fig. 2 is a cross-sectional structure diagram of the first embodiment of the present invention
  • Fig. 3 is a cross-sectional structure of the sliding connecting member, the
  • FIG. 8 is a schematic view of the bottom three-dimensional structure of the stopper part of the first embodiment of the present invention
  • Fig. 9 is a schematic view of the bottom three-dimensional structure of the stopper part of the first embodiment of the present invention
  • FIG. 10 is a cross-sectional view of the limiting member and the mating structure of the second embodiment of the invention.
  • a pressing and self-locking structure please refer to Figure 1-2, including a left frame 11 and a right frame 12 fixed at the rear of the left frame 11, the left frame 11 is provided with a sliding The connecting piece 5, the sliding connecting piece 5 is connected with external parts during use, the inner wall of the front part of the left frame 11 is fixedly provided with 3, the sliding connecting piece 5 and 3 are sleeved with a return spring 4, the sliding connecting piece 5 includes The slider 51 slidably connected to the inner bottom of the left frame 11 and the annular positioning block 52 fixed on the front of the slider 51, the return spring 4 is located between the annular positioning blocks 52 and 3, and the slider 51 is located on the limit member 6.
  • the slider 51 moves forward on the left frame 11, while the annular positioning block 52 presses the return spring 4, and the distance between the slider 51 and the right frame 12 increases Big.
  • the upper part of the left frame 11 is provided with a pressing member 2 for driving the sliding connection member 5 to slide axially relative to the left frame 11, and the upper part of the left frame 11 is excavated with a pressing member 2
  • the movable socket 13 is movable up and down in the left frame 11, and the pressing member 2 includes a lower pressing block 21 that matches with the movable socket 13 and at least one anti-dropping block 22 fixed at the bottom of the lower pressing block 21.
  • the anti-dropping block 22 is located on the inner side of the engaging member 23, the right end of the anti-dropping block 22 is in contact with the inner wall of the front part of the left frame 11, and after the pressing member 2 is pressed down for a second time and the pressing member 2 is released, under the elastic force of the return spring 4, Due to the setting of the anti-dropping block 22, the pressing member 2 is provided with a position limiting function, so that the pressing member 2 is not easily ejected from the movable socket 13, or the pressing member 2 is not easy to fall out of the left frame 11 in daily use. At the same time, since one end of the anti-dropping block 22 is in contact with the left frame 11, the anti-dropping block 22 can play a guiding role for the pressing piece 2 during the up and down movement of the pressing member 2.
  • the outer side wall of the lower end of the engaging member 23 is provided with a second sliding surface 233 that is slidably connected to the matching structure, the rear side of the engaging member 23 is provided with a first sliding surface 232, and the inner wall of the upper rear side of the engaging member 23 is provided
  • the clamping and limiting surface 231 that is hooked and engaged with the limiting member 6, that is, in the initial state, that is, when the engaging member 23 is located on the upper side of the limiting member 6, the first sliding surface 232 conflicts with the limiting member 6, and the engaging member The front end of 23 conflicts with the first guide surface 71.
  • the lower end of the pressing member 2 is fixed to at least one engaging member 23 for engaging with the left frame 11, and the outer side wall of the lower end of the engaging member 23 is provided with a second sliding connection with the matching structure.
  • the sliding surface 233, the rear side of the engaging member 23 is provided with a first sliding surface 232, and the inner wall of the upper part of the rear side of the engaging member 23 is provided with a locking limit surface 231 that is hooked and engaged with the limit member 6.
  • the initial state That is, when the engaging member 23 is located on the upper side of the limiting member 6, the first sliding surface 232 conflicts with the limiting member 6, the front end of the engaging member 23 conflicts with the first guide surface 71, and the pressing member 2 is pressed down once, After the second sliding surface 233 slides for a certain distance along the first guide surface 71, the clamping limit surface 231 is clamped with the limit member 6. When the pressing member 2 is pressed down again, under the guidance of the second guide surface 72, The second sliding surface 233 moves along the second guide surface 72.
  • the inner wall of the left frame 11 is provided with at least one limiting member 6 for limited clamping of the engaging member 23.
  • the limiting member 6 includes the limiting member 6 respectively arranged on the front side
  • a clamping part is formed between the guide surface 61 and the limit surface 62 at the lower part of the lower part, and the limit surface 62 and the limit surface 62 form a clamping part.
  • the clamping part matches the clamping limit surface 231.
  • the upper part of the sliding connector 5 is excavated with at least one mating structure that allows the engaging part 23 to deform and disengage from the clamped state of the limiting part 6.
  • the mating structure includes a mating groove 7 excavated in the upper part of the slider 51 and a device
  • the first guide surface 71 and the second guide surface 72 on the mating groove 7, the second guide surface 72 is located inside the first guide surface 71, and the top of the second guide surface 72 is connected with the lower part of the second guide surface 72 ,
  • the engaging member 23 is located on the upper side of the limiting member 6, the engaging member 23 respectively conflicts with the limiting member 6 and the first guide surface 71 to maintain the fixation, and press down the pressing member 2 once to make the engaging member
  • the pressing member 2 is pressed down again, and under the guiding action of the second guide surface 72, the engaging member 23 is separated from the limiting member 6 so that the pressing member 2 can be restored to its original position.
  • the pressing member 2 is pressed down once, and the engaging member 23 drives the sliding connection member 5 to move axially forward in the left frame 11, and the sliding connection 5 and the left frame 11 axially compress the distance to the first state, that is, the clamping
  • the engaging piece 23 squeezes the first guide surface 71, and the first guide surface 71 drives the slider 51 to move forward in the left frame 11; the engaging piece 23 is locked into the limiting piece 6, and the sliding connecting piece 5 and the right frame 12
  • the distance between the pressing member 2 is increased; the pressing member 2 is further pressed down, the fitting groove 7 squeezes the engaging member 23, and the engaging member 23 is deformed and separated from the limiting member 6, that is, when the pressing member 2 is continued to be pressed, the second guide Under the guiding action of the surface 72, the engaging member 23 gradually separates from the limiting member 6 and slides along the second guide surface 72; the pressing member 2 is released, and the engaging member 23 returns to the position along the fitting groove 7 under the elastic force of the return spring 4,
  • the second state where the axial
  • the pressing member 2 can be pressed to realize the axial movement of the sliding connector 5 in the right frame 11, thereby prompting the sliding connector to drive the external component to move, so as to realize the use and unused states of the external component.
  • the operation is simple, convenient and flexible. It is more flexible, and when the external force is small, the pressing piece is not easy to move downwards in the right frame, which will not easily cause the trigger of the entire device, and the device is kept in an unused state, thereby reducing the risk of false touch from the outside world. unnecessary trouble.
  • a pressing pen with a pressing and self-locking structure comprising a front pen holder 81 and a rear pen holder 82 that are sleeved with each other.
  • the front pen holder 81 and the rear pen holder 82 are sheathed with refills, and the return spring 4 clips Fitted between the pen core and the front pen holder 81, the pressing member 2 is provided on the outer wall of the front part of the front pen holder 81 for driving the rear pen holder 82 to slide axially in the front pen holder 81.
  • the outer wall of the front part of the front pen holder 81 has a The pressing hole 83 for the pressing member 2 to move up and down in the front pen barrel 81, at least one limiting member 6 is fixed on the inner wall of the front part of the front pen barrel 81, and the matching structure is provided at the end of the rear pen barrel 82 located in the front pen barrel 81,
  • the engaging member 23 on the pressing member 2 is located on the upper side of the limiting member 6, and the pen core is hidden inside the front pen holder 81.
  • the pen core is exposed, and the pressing member 2 is pressed down again, under the guidance of the second guide surface 72 ,
  • the engaging member 23 is separated from the limiting member 6 and moves along the second guide surface 72 on the second guide surface 72.
  • the return spring 4 is in a compressed state.
  • the pressing member 2 and the engaging member 23 move upward in the front pen barrel 81 until the engaging member 23 returns to the original position, that is, the engaging member 23 collides with the guiding surface 61 and the first guiding surface 71, and the pen core is hidden at this time.
  • the pen core can be stored in the front pen holder 81 or extended out of the front pen holder 81 according to the needs of use, which can better protect the pen head and is convenient to carry. While saving a separate pen sleeve, under the condition of small external force, The pen tip is not easy to protrude out of the front pen barrel, so that external objects are not easily contaminated with pen oil or are not easily damaged by the pen tip.

Landscapes

  • Clamps And Clips (AREA)
  • Snaps, Bayonet Connections, Set Pins, And Snap Rings (AREA)
  • Push-Button Switches (AREA)
  • Mechanical Pencils And Projecting And Retracting Systems Therefor, And Multi-System Writing Instruments (AREA)
  • Details Of Connecting Devices For Male And Female Coupling (AREA)

Abstract

Structure de poussée à verrouillage automatique et stylo rétractable l'utilisant. Dans ladite structure de poussée à verrouillage automatique, un ressort de rappel (4) est disposé entre un élément de liaison coulissant (5) et un élément de positionnement (3) ; au sommet d'un corps de cadre gauche (11) est disposée une pièce compressible (2) utilisée pour actionner ledit élément de liaison coulissant (5) de façon à coulisser axialement à l'intérieur et par rapport audit corps de cadre gauche (11) ; une ouverture (13) est disposée au sommet du corps de cadre gauche (11) pour permettre à la partie compressible (2) de coulisser verticalement à l'intérieur dudit corps de cadre gauche (11), le fond de ladite partie compressible (2) étant fixé à au moins une partie de mise en prise (23) utilisée pour venir en prise avec ledit corps de cadre gauche (11) ; au moins un élément de limitation (6) pour limiter la mise en prise de la partie de mise en prise (23) est disposé sur la paroi interne du corps de cadre gauche (11) ; au moins une structure correspondante est découpée dans le sommet de l'élément de liaison coulissant (5) pour la partie de mise en prise (23) pour se dégager par décalage de forme de la mise en prise avec l'élément de limitation (6) ; lorsque la partie compressible (2) est enfoncée, la partie de mise en prise (23) amène l'élément de liaison coulissant (5) axialement à se décaler vers l'avant à l'intérieur du corps de cadre gauche (11), ledit élément de liaison coulissant (5) comprimant axialement l'espace avec le corps de cadre (11) à une première position ; la partie de mise en prise (23) vient en prise avec l'élément de limitation (6) et l'espace entre l'élément de liaison coulissant (5) et le corps de cadre droit (12) augmente ; lorsque la partie compressible (2) est enfoncée ultérieurement, une encoche correspondante (7) exerce une pression contre la partie de mise en prise (23), ladite partie de mise en prise (23) changeant ensuite de forme pour se dégager de l'élément de limitation (6) ; lorsque la partie compressible (2) est libérée, le ressort de rappel (4) amène la partie de mise en prise (23) à suivre l'encoche correspondante (7) pour revenir à sa position d'origine, l'espace axial entre l'élément de liaison coulissant (5) et le corps de cadre gauche (11) est libéré vers une seconde position de taille maximale, et l'espace entre l'élément de liaison coulissant (5) et le corps de cadre droit (12) est rétabli à sa taille d'origine. La présente structure de poussée à verrouillage automatique réduit l'apparition d'un déploiement erroné.
PCT/CN2020/122650 2019-12-22 2020-10-22 Structure de poussée à verrouillage automatique et stylo rétractable l'utilisant WO2021129089A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CN201911332573.3A CN110962490B (zh) 2019-12-22 2019-12-22 一种按压自锁结构以及采用该结构的按压笔
CN201911332573.3 2019-12-22

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