WO2019024447A1 - 一种锁扣 - Google Patents

一种锁扣 Download PDF

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Publication number
WO2019024447A1
WO2019024447A1 PCT/CN2018/072448 CN2018072448W WO2019024447A1 WO 2019024447 A1 WO2019024447 A1 WO 2019024447A1 CN 2018072448 W CN2018072448 W CN 2018072448W WO 2019024447 A1 WO2019024447 A1 WO 2019024447A1
Authority
WO
WIPO (PCT)
Prior art keywords
buckle
pin
base
ring
positioning
Prior art date
Application number
PCT/CN2018/072448
Other languages
English (en)
French (fr)
Inventor
贺金锋
Original Assignee
深圳市洲明科技股份有限公司
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 深圳市洲明科技股份有限公司 filed Critical 深圳市洲明科技股份有限公司
Priority to AU2018279000A priority Critical patent/AU2018279000B9/en
Priority to EP18811434.2A priority patent/EP3483460B1/en
Priority to RU2018144960A priority patent/RU2704884C1/ru
Priority to US16/309,406 priority patent/US11149771B2/en
Publication of WO2019024447A1 publication Critical patent/WO2019024447A1/zh

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Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16B—DEVICES FOR FASTENING OR SECURING CONSTRUCTIONAL ELEMENTS OR MACHINE PARTS TOGETHER, e.g. NAILS, BOLTS, CIRCLIPS, CLAMPS, CLIPS OR WEDGES; JOINTS OR JOINTING
    • F16B5/00—Joining sheets or plates, e.g. panels, to one another or to strips or bars parallel to them
    • F16B5/06—Joining sheets or plates, e.g. panels, to one another or to strips or bars parallel to them by means of clamps or clips
    • F16B5/0607—Joining sheets or plates, e.g. panels, to one another or to strips or bars parallel to them by means of clamps or clips joining sheets or plates to each other
    • F16B5/0621—Joining sheets or plates, e.g. panels, to one another or to strips or bars parallel to them by means of clamps or clips joining sheets or plates to each other in parallel relationship
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16B—DEVICES FOR FASTENING OR SECURING CONSTRUCTIONAL ELEMENTS OR MACHINE PARTS TOGETHER, e.g. NAILS, BOLTS, CIRCLIPS, CLAMPS, CLIPS OR WEDGES; JOINTS OR JOINTING
    • F16B5/00—Joining sheets or plates, e.g. panels, to one another or to strips or bars parallel to them
    • F16B5/0004—Joining sheets, plates or panels in abutting relationship
    • F16B5/0084—Joining sheets, plates or panels in abutting relationship characterised by particular locking means
    • F16B5/0092—Joining sheets, plates or panels in abutting relationship characterised by particular locking means with locking means rotating about an axis parallel to the main plane and perpendicular to the abutting edge, e.g. screw, bayonet
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16B—DEVICES FOR FASTENING OR SECURING CONSTRUCTIONAL ELEMENTS OR MACHINE PARTS TOGETHER, e.g. NAILS, BOLTS, CIRCLIPS, CLAMPS, CLIPS OR WEDGES; JOINTS OR JOINTING
    • F16B5/00—Joining sheets or plates, e.g. panels, to one another or to strips or bars parallel to them
    • F16B5/0004—Joining sheets, plates or panels in abutting relationship
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16B—DEVICES FOR FASTENING OR SECURING CONSTRUCTIONAL ELEMENTS OR MACHINE PARTS TOGETHER, e.g. NAILS, BOLTS, CIRCLIPS, CLAMPS, CLIPS OR WEDGES; JOINTS OR JOINTING
    • F16B12/00—Jointing of furniture or the like, e.g. hidden from exterior
    • F16B12/10—Jointing of furniture or the like, e.g. hidden from exterior using pegs, bolts, tenons, clamps, clips, or the like
    • F16B12/12—Jointing of furniture or the like, e.g. hidden from exterior using pegs, bolts, tenons, clamps, clips, or the like for non-metal furniture parts, e.g. made of wood, of plastics
    • F16B12/20—Jointing of furniture or the like, e.g. hidden from exterior using pegs, bolts, tenons, clamps, clips, or the like for non-metal furniture parts, e.g. made of wood, of plastics using clamps, clips, wedges, sliding bolts, or the like
    • F16B12/2009—Jointing of furniture or the like, e.g. hidden from exterior using pegs, bolts, tenons, clamps, clips, or the like for non-metal furniture parts, e.g. made of wood, of plastics using clamps, clips, wedges, sliding bolts, or the like actuated by rotary motion
    • F16B12/2027—Jointing of furniture or the like, e.g. hidden from exterior using pegs, bolts, tenons, clamps, clips, or the like for non-metal furniture parts, e.g. made of wood, of plastics using clamps, clips, wedges, sliding bolts, or the like actuated by rotary motion with rotating excenters or wedges
    • F16B12/2036—Jointing of furniture or the like, e.g. hidden from exterior using pegs, bolts, tenons, clamps, clips, or the like for non-metal furniture parts, e.g. made of wood, of plastics using clamps, clips, wedges, sliding bolts, or the like actuated by rotary motion with rotating excenters or wedges with rotating excenters or wedges acting on a head of a pin or screw
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16B—DEVICES FOR FASTENING OR SECURING CONSTRUCTIONAL ELEMENTS OR MACHINE PARTS TOGETHER, e.g. NAILS, BOLTS, CIRCLIPS, CLAMPS, CLIPS OR WEDGES; JOINTS OR JOINTING
    • F16B5/00—Joining sheets or plates, e.g. panels, to one another or to strips or bars parallel to them
    • F16B5/10—Joining sheets or plates, e.g. panels, to one another or to strips or bars parallel to them by means of bayonet connections
    • G—PHYSICS
    • G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09F—DISPLAYING; ADVERTISING; SIGNS; LABELS OR NAME-PLATES; SEALS
    • G09F9/00—Indicating arrangements for variable information in which the information is built-up on a support by selection or combination of individual elements
    • G09F9/30—Indicating arrangements for variable information in which the information is built-up on a support by selection or combination of individual elements in which the desired character or characters are formed by combining individual elements
    • G09F9/302—Indicating arrangements for variable information in which the information is built-up on a support by selection or combination of individual elements in which the desired character or characters are formed by combining individual elements characterised by the form or geometrical disposition of the individual elements
    • G09F9/3026—Video wall, i.e. stackable semiconductor matrix display modules
    • G—PHYSICS
    • G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09F—DISPLAYING; ADVERTISING; SIGNS; LABELS OR NAME-PLATES; SEALS
    • G09F9/00—Indicating arrangements for variable information in which the information is built-up on a support by selection or combination of individual elements
    • G09F9/30—Indicating arrangements for variable information in which the information is built-up on a support by selection or combination of individual elements in which the desired character or characters are formed by combining individual elements
    • G09F9/33—Indicating arrangements for variable information in which the information is built-up on a support by selection or combination of individual elements in which the desired character or characters are formed by combining individual elements being semiconductor devices, e.g. diodes

Definitions

  • the present invention relates to the field of machinery, and in particular, to a buckle.
  • the Chinese invention patent application number is: "201110102759.7”
  • the patent application file entitled “Lock connection device, LED box and LED display” discloses that a disassembly and assembly is convenient and quick, and the connection quality is relatively high.
  • a locking connection device between the heavy boxes comprising a hook fixed on the first base and a fixing pin, a protrusion fixed on the second base and a fixing hole, and the locking effect is achieved by the hook and the protrusion Positioning is achieved by inserting a fixing pin and a fixing hole
  • the locking connecting device further comprises a taper adjusting screw, which can be locked by the adjusting screw in the case of a machining error of the mold. Tight and fixed two objects.
  • the defects of the prior art are: adjusting the distance deviation by the hook and the adjusting screw, the adjustment range is limited, generally within 1 mm, only suitable for the adjustment of the mold processing error, and the arc stitching, the inner and outer arc between the boxes
  • the change of the distance is usually several millimeters or more, so this adjustment mode is not applicable to the case of the arc splicing; in addition, the positioning structure of the prior art is too large, the positioning pin is easily caught by the turning moment, and the operation is not flexible enough.
  • the technical problem to be solved by the present invention is to provide a lock with a large range of distance adjustment and suitable for different arcs and plane bodies inside and outside.
  • a lock buckle comprising: a lock module and a drive module, the lock module comprising a buckle mounted on the first body and the buckle mounted on the second body An adapted oblique pin ring, the radial thickness of the skew pin ring is continuously changed; the pull ring is provided with a first jack; [0007]
  • the driving module is configured to drive the circumferential movement of the skew pin ring to engage or disengage the skew pin ring with the first jack of the buckle in the snap-in position.
  • the oblique pin ring is inserted into the socket of the buckle under the driving of the driving module to achieve the function of locking the first body and the second body, since the radial thickness of the skew pin ring is Continuously changing, when the distance between the first body and the second body is relatively large, the engagement occurs at a portion where the radial thickness of the skew pin ring is thin, and the distance between the first body and the second body is small.
  • the snapping occurs at a portion where the radial direction of the skew pin ring is thick, so that when the distance deviation between the first body and the second body is within a large range, the latch structure can be well fixed.
  • Two splice plates, the lock structure can realize inner and outer arc stitching and plane stitching without finishing.
  • FIG. 1 is a schematic view showing a buckled state of a buckle according to an embodiment of the present invention
  • FIG. 2 is a cross-sectional view showing a buckled state of a buckle according to an embodiment of the present invention
  • FIG. 3 is a schematic view showing a snoring state of a buckle according to an embodiment of the present invention.
  • FIG. 4 is a cross-sectional view showing a positioning structure of a buckle according to an embodiment of the present invention.
  • FIG. 5 is a schematic structural view of a buckle of a buckle according to an embodiment of the present invention.
  • FIG. 6 is a schematic structural view of a skew pin ring of a lock according to an embodiment of the present invention, wherein the structure of the skew pin ring is shown from two directions;
  • FIG. 7 is a schematic structural view of a rotary hand wheel of a lock according to an embodiment of the present invention.
  • FIG. 8 is a schematic structural view of a block of a buckle according to an embodiment of the present invention.
  • FIG. 9 is a schematic view showing a state in which a splicing object is connected as a whole according to an embodiment of the present invention.
  • the second base 21, the first: two grooves; 22, the third groove; 23, the oblique pin ring groove;
  • the most critical idea of the present invention is that: the use of the skew pin ring continuously changing in radial thickness and the buckle jack can be locked in a large distance range, and the lock structure can be Internal and external arc splicing and plane splicing can be achieved by finishing ⁇ .
  • first main body and a second main body as splice plates, respectively.
  • the buckle can also be used for bodies other than splice plates, such as cabinets, cabinets, doors, and the like.
  • the present invention provides a latch for a splicing board, which is characterized in that it comprises a locking module and a driving module, and the locking module comprises a first splicing plate.
  • the locking module comprises a first splicing plate.
  • a buckle 3 and an oblique pin ring 4 mounted on the second splice plate and adapted to the buckle 3, the radial thickness of the skew pin ring 4 is continuously changed; Providing a first jack 31;
  • the driving module is configured to drive the circular motion of the oblique pin ring 4 such that the oblique pin ring 4 is engaged with the first insertion hole 31 of the buckle 3 in the buckled position. Or separate.
  • the beneficial effects of the present invention are as follows: the oblique pin gear ring is inserted into the insertion hole of the buckle under the driving of the driving module to achieve the function of locking the first splice plate and the second splice plate, due to the oblique pin The radial thickness of the ring gear is continuously changed.
  • the snapping occurs at a portion where the radial thickness of the skew pin ring is thin, when the first splice plate.
  • the distance deviation between the second splice plate and the second splice plate is smaller, and the snapping occurs at a portion where the radial pin thickness of the sprung pin ring is thicker, so that the distance deviation between the first splice plate and the second splice plate is in a larger range.
  • the inner cymbal, the lock structure can fix two splice plates well.
  • the skew pin ring 4 includes an outer contour and an inner contour; the outer contour is circular, and is provided with a sawtooth structure, the inner contour has a tapered shape; the oblique pin ring A notch is provided at the joint end of the tapered line for separating the buckle from the skew pin ring.
  • the oblique pin is arranged in a ring structure, so that the movement of the oblique pin is a circular motion to save the occupied space of the locking structure; the outer contour of the oblique pin ring is set to a circular shape, and the inner contour is set.
  • the shape of the wire makes the radial thickness of the skew pin ring continuously change.
  • the shape of the taper line is also uniquely determined, which facilitates the manufacturing process; when the notch on the skew pin ring turns away from the buckle
  • the first splicing plate and the second splicing plate are locked, only when the notch is turned to the buckle of the buckle, the pull buckle is pulled up, and the buckle is separated from the skew pin ring, and the splicing plate can be unlocked.
  • a sidewall of the first insertion hole 31 corresponding to an inner contour of the oblique pin ring 4 has a curvature, and an arc radius of the sidewall is greater than a maximum of the inner contour radius.
  • the side wall of the first insertion hole corresponding to the inner contour of the oblique pin tooth ring has an arc to facilitate the inner contour of the first insertion hole and the oblique pin tooth ring, and the arc radius of the side wall Larger than the maximum radius of the contour of the inner ring of the oblique pin ring, so that no matter where the buckle and the skew pin ring are locked, the interaction force between the pull tab and the skew pin ring will be dispersed to the pull jack.
  • the ends of the two ends rather than being concentrated in the middle, and the forces scattered to the ends will produce a smooth needle torque and a reverse needle torque, which are partially offset by the reverse direction of the needle torque and the reverse needle torque.
  • the closing torque is reduced, so that the value of the tangential resolution force of the combined moment is smaller than the maximum static friction force of the contact surface of the buckle pin and the skew pin ring, and the inner contact surface of the buckle pin and the skew pin ring No slippage occurs, so the skew pin ring can be reliably locked.
  • the pull tab 3 is mounted on the first base 1 on the first splice plate, and the skew pin ring
  • first pedestal 1 and the second pedestal 2 respectively have a first recess 11 and a second for accommodating the pull tab Groove 21.
  • the buckle is inserted into the grooves on the first base and the second base to lock the movement of the two splicing objects in a direction perpendicular to the splicing direction.
  • the driving module includes a rotating hand wheel 5, and the rotating hand wheel is provided with a hand wheel gear on the shaft
  • the rotating hand wheel 5 is mounted on the second base 2 and the hand wheel gear 51 is meshed with the skew pin ring 4.
  • the bottom end of the buckle 3 is provided with a buckle rotating shaft 32, and the buckle rotating shaft 32 is mounted on the first base 1 through a limiting screw 6, so that the buckle 3 is Rotating around the first base 1.
  • the first bead positioning groove 33 is disposed on the pull shaft 32, and the first base 1 is provided with a first positioning matching the first bead positioning groove 33 . Glass beads 13.
  • the top end of the pull tab 3 is provided with a pull tab protrusion 34
  • the second base 2 is provided with a third recess 22 adapted to the pull tab protrusion 34.
  • the buckle structure can withstand the self-weight of the spliced object to prevent the splicing object from slipping off.
  • the oblique pin ring 4 is provided with a second bead positioning groove 41, and the second base 2 is provided with a second positioning matching the second bead positioning groove 41. Glass beads 25.
  • the skew pin ring is provided with a cavity 42.
  • the contour shape of the cavity 42 is similar to the contour shape of the skew pin ring.
  • the skew pin ring 4 is mounted in the matching pin ring groove 23 by the limiting screw 6
  • the skew pin ring groove 23 is fixed to the second base 2.
  • the skew pin ring groove 23 is a cylindrical groove, and the radius of the bottom surface circle of the cylindrical groove is slightly larger than the radius of the outer contour circle of the oblique pin ring.
  • the skew pin ring is circularly moved in the cylindrical groove under the driving of the driving module, and the cylindrical groove is used to limit the movement track of the skew pin ring, so that the oblique The pin gear movement is smoother.
  • the cylindrical groove is provided with a cover plate to form a space for accommodating the skew pin ring with the cylindrical groove, and prevent the oblique pin ring from the cylindrical groove fall.
  • the buckle further includes a fan-shaped block 8 interposed between the first base 1 and the second base 2
  • the sector block 8 has an arc angle in a direction perpendicular to the joint faces of the first splice bar and the second splice bar.
  • the arc angle is between 0-40 degrees.
  • the latch further includes a positioning mechanism, the positioning mechanism includes a matching positioning pin rack 7 and a positioning hole 24;
  • the positioning pin rack 7 is mounted in the pin hole 12 of the first base 1 and is meshed with the buckle 3 by a pull gear 35, and the pull gear 35 is located at the pull Snap on the rotating shaft 32;
  • the positioning hole 24 is fixed on the second base 2, and the positioning pin rack 7 is moved by the pull-up gear 35 to insert or withdraw the positioning hole 24.
  • the positioning pin rack is inserted into the positioning hole on the second base by the pull-up gear to realize the positioning function.
  • the positioning pin structure of the rack drive makes the positioning mechanism small, the action is stable and reliable, the jamming phenomenon does not occur, and the operation is flexible.
  • the positioning mechanism further includes a fan-shaped block 8 interposed between the first base 1 and the second base 2, the sector 8 is perpendicular to the first splice plate and The joining face of the second splice plate has an arc angle between 0 and 40 degrees, and the positioning pin rack 7 is inserted into the segment 8 before being inserted into the positioning hole 24.
  • segment 8 has a segment central hole 81 through which the positioning pin rack 7 passes, and has a segment protrusion 82 inserted into the positioning hole 24.
  • the fan-shaped block having the arc angle is added to the positioning mechanism, so that the positioning is more stable and reliable in the arc, and the locking of the two splice plates of the arc stitching is more secure.
  • Embodiment 1 of the present invention is:
  • a lock for a splicing plate comprising: a lock module and a drive module, the lock module comprising a buckle 3 mounted on the first splicing plate and mounted on the second splicing plate An oblique pin ring 4 adapted to the buckle 3, the radial thickness of the skew pin ring 4 is continuously changed; the buckle 3 is provided with a first insertion hole 31; The module is configured to drive the circular pin gear ring 4 to move circumferentially such that the skew pin gear ring 4 is engaged or disengaged from the first insertion hole 31 of the buckle 3 in the snap-in position.
  • the pull tab 3 is mounted on the first base 1 on the first splice plate, and the skew pin ring 4 is mounted on the second base 2 on the second splice plate;
  • the base 1 and the second base 2 respectively have a first recess 11 and a second recess 21 for receiving the buckle.
  • the bottom end of the buckle 3 is provided with a buckle rotating shaft 32, and the buckle rotating shaft 32 is mounted on the first base 1 by a limiting screw 6, so that the buckle 3 is wound around The first base 1 rotates.
  • the skew pin ring 4 is mounted in the corresponding skew pin ring groove 23 by a limit screw 6, and the skew pin ring groove 23 is fixed to the second base 2.
  • the oblique pin ring groove 23 is a cylindrical groove, and the radius of the bottom surface circle of the cylindrical groove is slightly larger than the radius of the outer contour circle of the oblique pin tooth ring.
  • Embodiment 2 of the present invention is:
  • the second embodiment differs from the first embodiment in that the oblique pin ring 4 includes an outer contour and an inner contour; the outer contour is circular, and is provided with a sawtooth structure, and the inner contour has a tapered line a shape; the skew pin ring is provided with a notch at a joint end of the tapered line for separating the buckle from the skew pin ring.
  • a side wall of the first insertion hole 31 corresponding to an inner contour of the oblique pin tooth ring 4 has an arc having an arc radius larger than a maximum radius of the inner contour gradually increasing line.
  • Embodiment 3 of the present invention is:
  • the third embodiment differs from the second embodiment in that the driving module includes a rotating hand wheel 5, and the rotating hand wheel 5 is provided with a hand wheel gear 51, and the rotating hand wheel 5 is mounted on the rotating hand wheel 5
  • the second base 2 and the hand wheel gear 51 are meshed with the skew pin ring 4.
  • Embodiment 4 of the present invention is:
  • the difference between the fourth embodiment and the third embodiment is that the first bead positioning groove 33 is disposed on the buckle rotating shaft 32.
  • first pedestal 1 is provided with a first positioning bead 13 matched with the first bead positioning groove 33.
  • Embodiment 5 of the present invention is:
  • the difference between the fifth embodiment and the fourth embodiment is that the top end of the buckle 3 is provided with a buckle protrusion 34, and the second base 2 is provided with the buckle protrusion 34.
  • the third groove 22 is.
  • Embodiment 6 of the present invention is:
  • the sixth embodiment is different from the fifth embodiment in that the oblique pin ring 4 is provided with a second bead positioning groove 41, and the second base 2 is provided with the second bead
  • the positioning groove 41 matches the second positioning bead 25 of the matching.
  • Embodiment 7 of the present invention is:
  • the seventh embodiment differs from the sixth embodiment in that the oblique pin ring is provided with a cavity 42 having a contour shape similar to that of the oblique pin ring.
  • Embodiment 8 of the present invention is:
  • Embodiment 8 differs from Embodiment 7 in that the latch further includes a sector 8 for being interposed between the first base 1 and the second base 2, the sector 8 being vertical And having a curvature angle in a direction of the joint surface of the first splice plate and the second splice plate; the arc angle is between 0-40 degrees.
  • Embodiment 9 of the present invention is:
  • Embodiment 9 differs from Embodiment 7 in that the latch further includes a positioning mechanism, and the positioning mechanism includes a matching positioning pin rack 7 and a positioning hole 24; the positioning pin rack 7 is mounted.
  • the pull gear 35 In the pin hole 12 of the first base 1 and engaged with the buckle 3 via a pull gear 35, the pull gear 35 is located on the buckle rotating shaft 32; the positioning hole 24 Fixed on the second base 2, the positioning pin rack 7 is movable by the pull gear 35 to be inserted into the positioning hole 24.
  • Embodiment 10 of the present invention is:
  • Embodiment 10 differs from Embodiment 9 in that the positioning mechanism further includes a sector 8 for interposing between the first base 1 and the second base 2, the sector 8 being vertical Having an arc angle between 0 and 40 degrees in a direction of the joint surface of the first splice plate and the second splice plate, the positioning pin rack 7 is inserted into the positioning hole 24 before being inserted into the positioning hole 24 In the sector 8 .
  • the segment 8 has a segment central hole 81 through which the positioning pin rack 7 passes, and has a segment protrusion 82 inserted into the positioning hole 24.
  • the present invention provides a lock for a splice plate, which is locked by a bevel pin ring inserted into a jack having a curved side wall inserted by a rotating hand wheel. Tightening the action of the first base and the second base, utilizing the arc side wall of the jack to disperse the interaction force between the buckle and the skew pin ring, so that the pull buckle more securely locks the skew pin ring;
  • the radial thickness of the ring gear is continuously changed, so that when the distance deviation between the first splice plate and the second splice plate is within a large range, the latch structure can well fix the two splice plates;
  • the lock structure can realize different arc inner and outer arc stitching and plane stitching without finishing processing; in addition, the lock structure also adopts a rack-driven positioning pin structure, so that The positioning mechanism is small, the action is stable and reliable, the jamming phenomenon does not occur, and the

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  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Lock And Its Accessories (AREA)
  • Chairs For Special Purposes, Such As Reclining Chairs (AREA)
  • Mutual Connection Of Rods And Tubes (AREA)
  • Mechanically-Actuated Valves (AREA)
  • Sewing Machines And Sewing (AREA)

Abstract

一种锁扣，包括锁扣模块和驱动模块，所述锁扣模块包括安装在第一主体上的拉扣（3）和安装在第二主体上的与所述拉扣（3）相适配的斜销齿环（4），所述斜销齿环（4）的径向厚度是连续变化的；所述拉扣（3）上设有第一插孔（31）；所述驱动模块用于驱动所述斜销齿环（4）圆周运动，以使得所述斜销齿环（4）与处于扣入位置的所述拉扣（3）的所述第一插孔（31）卡合或分离。该锁扣结构可以在不需精加工时便可实现不同弧度内外弧拼接和平面拼接。

Description

一种锁扣
技术领域
[0001] 本发明涉及机械领域， 尤其涉及一种锁扣。
背景技术
[0002] 中国发明专利申请号为： "201110102759.7"， 名称为 "锁扣连接装置、 LED箱 体及 LED显示屏 "的专利申请文件中公幵了一种拆装方便快捷、 并且可以连接质 量相对较重箱体之间的锁扣连接装置， 其包括固定在第一基座上的挂钩和固定 销钉、 固定在第二基座上的凸块和固定孔， 通过挂钩和凸块配合实现锁紧作用 ， 通过固定销钉和固定孔插接实现定位作用， 该锁扣连接装置还包括一个锥度 调节螺钉， 通过调节螺钉可以使该锁扣连接装置在模具具有加工误差的情况下 ， 也能很好的锁紧和固定两物体。
[0003] 现有技术的缺陷在于： 通过挂钩和调节螺钉来调节距离偏差， 调整范围有限， 一般在 lmm以内， 只适用于对模具加工误差的调整， 而弧度拼接吋， 内外弧度 箱体之间的距离变化通常在几毫米以上， 因而这种调节方式对弧度拼接的情况 并不适用； 此外， 现有技术的定位结构偏大， 定位销容易受翻转力矩而出现卡 死现象， 操作不够灵活。 技术问题
[0004] 本发明所要解决的技术问题是： 提供一种距离调整范围大且适用于内外不同弧 度和平面主体的锁扣。
问题的解决方案
技术解决方案
[0005] 为了解决上述技术问题， 本发明采用的技术方案为：
[0006] 提供一种锁扣， 其特征在于， 包括锁扣模块和驱动模块， 所述锁扣模块包括安 装在第一主体上的拉扣和安装在第二主体上的与所述拉扣相适配的斜销齿环， 所述斜销齿环的径向厚度是连续变化的； 所述拉扣上设有第一插孔； [0007] 所述驱动模块用于驱动所述斜销齿环圆周运动， 以使得所述斜销齿环与处于扣 入位置的所述拉扣的所述第一插孔卡合或分离。
发明的有益效果
有益效果
[0008] 本发明的有益效果在于： 斜销齿环在驱动模块的带动下插入拉扣的插孔中达到 锁紧第一主体和第二主体的作用， 由于斜销齿环的径向厚度是连续变化的， 当 第一主体和第二主体之间距离偏差较大吋， 卡合发生在斜销齿环径向厚度较薄 的部位， 当第一主体和第二主体之间距离偏差较小吋， 卡合发生在斜销齿环径 向厚度较厚的部位， 因而当第一主体和第二主体之间距离偏差在一个较大的范 围内吋， 该锁扣结构都可以很好的固定两个拼接板， 该锁扣结构可以在不需精 加工吋便可实现内外弧拼接和平面拼接。
对附图的简要说明
附图说明
[0009] 图 1为本发明实施例的-一种锁扣的扣合状态示意图；
[0010] 图 2为本发明实施例的-一种锁扣的扣合状态剖视图；
[0011] 图 3为本发明实施例的-一种锁扣的打幵状态示意图；
[0012] 图 4为本发明实施例的-一种锁扣的定位结构的剖视图；
[0013] 图 5为本发明实施例的-一种锁扣的拉扣的结构示意图；
[0014] 图 6为本发明实施例的-一种锁扣的斜销齿环的结构示意图， 其中从两个方向示 出了斜销齿环的结构；
[0015] 图 7为本发明实施例的-一种锁扣的旋转手轮的结构示意图；
[0016] 图 8为本发明实施例的-一种锁扣的扇形块的结构示意图；
[0017] 图 9为本发明实施例的-一种锁扣将拼接物体连接成整体后的状态示意图。
[0018] 标号说明：
[0019] 1、 第一基座； 11、 第-一凹槽； 12、 销孔； 13、 第一定位玻珠；
[0020] 2、 第二基座； 21、 第:二凹槽； 22、 第三凹槽； 23、 斜销齿环槽；
[0021] 24、 定位孔； 25、 第二 ：定位玻珠； 3、 拉扣； 31、 第一插孔；
[0022] 32、 拉扣旋转轴； 33、第一玻珠定位槽； 34、 拉扣凸起； 35、 拉扣齿轮； [0023] 4、 斜销齿环； 41、 第二玻珠定位槽； 42、 空腔； 5、 旋转手轮；
[0024] 51、 手轮齿轮； 6、 限位螺丝； 7、 定位销齿条； 8、 扇形块；
[0025] 81、 扇形块中心孔； 82、 扇形块凸起。
具体实施方式
[0026] 本发明最关键的构思在于： 利用径向厚度连续变化的斜销齿环与拉扣插孔卡合 ， 可在较大距离范围内达到锁紧的目的， 该锁扣结构可以在不需精加工吋便可 实现内外弧拼接和平面拼接。
[0027] 下面以第一主体和第二主体分别为拼接板为例来描述本发明。 应当认识到， 该 锁扣还可以用于除了拼接板之外的主体， 例如箱体、 柜、 门等。
[0028] 请参照图 1至图 9， 本发明提供一种用于拼接板的锁扣， 其特征在于， 包括锁扣 模块和驱动模块， 所述锁扣模块包括安装在第一拼接板上的拉扣 3和安装在第二 拼接板上的与所述拉扣 3相适配的斜销齿环 4， 所述斜销齿环 4的径向厚度是连续 变化的； 所述拉扣 3上设有第一插孔 31 ;
[0029] 所述驱动模块用于驱动所述斜销齿环 4圆周运动， 以使得所述斜销齿环 4与处于 扣入位置的所述拉扣 3的所述第一插孔 31卡合或分离。
[0030] 从上述描述可知， 本发明的有益效果在于： 斜销齿环在驱动模块的带动下插入 拉扣的插孔中达到锁紧第一拼接板和第二拼接板的作用， 由于斜销齿环的径向 厚度是连续变化的， 当第一拼接板和第二拼接板之间距离偏差较大吋， 卡合发 生在斜销齿环径向厚度较薄的部位， 当第一拼接板和第二拼接板之间距离偏差 较小吋， 卡合发生在斜销齿环径向厚度较厚的部位， 因而当第一拼接板和第二 拼接板之间距离偏差在一个较大的范围内吋， 该锁扣结构都可以很好的固定两 个拼接板。
[0031] 进一步的， 所述斜销齿环 4包括外轮廓和内轮廓； 所述外轮廓为圆形， 并且设 有锯齿结构， 所述内轮廓具有渐幵线形状； 所述斜销齿环在所述渐幵线的始末 端接合处设有缺口， 以供所述拉扣与所述斜销齿环分离。
[0032] 从上述描述可知， 将斜销设置成环形结构， 使得斜销的运动为圆周运动， 以节 省锁扣结构的占用空间； 将斜销齿环的外轮廓设置为圆形， 内轮廓设置为渐幵 线形状， 使得斜销齿环的径向厚度连续变化， 此外， 一旦基圆的半径确定， 渐 幵线形状也唯一确定了， 方便制造加工； 当斜销齿环上的缺口转离扣合的拉扣 吋， 第一拼接板和第二拼接板被锁紧， 只有当缺口转到扣合的拉扣处吋， 拉起 拉扣， 拉扣与斜销齿环分离， 拼接板才能被解锁。
[0033] 进一步的， 所述第一插孔 31的与所述斜销齿环 4的内轮廓相对应的侧壁具有弧 度， 所述侧壁的弧半径大于所述内轮廓渐幵线的最大半径。
[0034] 从上述描述可知， 第一插孔与斜销齿环的内轮廓相对应的侧壁具有弧度， 以方 便第一插孔和斜销齿环内轮廓配合， 且该侧壁的弧半径大于斜销齿环内轮廓渐 幵线的最大半径， 这样使得无论拉扣与斜销齿环在什么位置锁紧， 拉扣与斜销 齿环的相互作用力都将被分散到拉扣插孔的两端， 而非集中在中间位置， 且被 分散到两端的作用力将产生一个顺吋针力矩和一个逆吋针力矩， 顺吋针力矩和 逆吋针力矩方向相反， 被部分抵消， 使得合力矩减小， 进而使得合力矩的切向 分解力的数值小于拉扣插孔与斜销齿环内轮廓接触面的最大静摩擦力的数值， 拉扣插孔与斜销齿环内轮廓接触面不会发生滑动， 因而可以可靠的锁住斜销齿 环。
[0035] 进一步的， 所述拉扣 3安装在第一拼接板上的第一基座 1上， 并且所述斜销齿环
4安装在第二拼接板上的第二基座 2上； 所述第一基座 1和所述第二基座 2上分别 具有用于容纳所述拉扣的第一凹槽 11和第二凹槽 21。
[0036] 从上述描述可知， 拉扣卡进第一基座和第二基座上的凹槽中， 可以锁定两拼接 物体沿垂直于拼接方向的移动。
[0037] 进一步的， 所述驱动模块包括旋转手轮 5， 所述旋转手轮 5杆轴上设有手轮齿轮
51 , 所述旋转手轮 5安装在所述第二基座 2上并且所述手轮齿轮 51与所述斜销齿 环 4啮合连接。
[0038] 从上述描述可知， 转动旋转手轮， 手轮齿轮跟着转动， 带动斜销齿环圆周运动 ； 采用齿轮齿条传动方式， 使用寿命长、 工作平稳、 可靠性高， 而且旋转手轮 不需随着斜销齿环移动而移动， 大大节省了安装空间。
[0039] 进一步的， 所述拉扣 3底端设有拉扣旋转轴 32， 所述拉扣旋转轴 32通过限位螺 丝 6安装在所述第一基座 1上， 使所述拉扣 3绕所述第一基座 1旋转。 [0040] 进一步的， 所述拉扣旋转轴 32上设有第一玻珠定位槽 33， 并且所述第一基座 1 上设有与所述第一玻珠定位槽 33匹配的第一定位玻珠 13。
[0041] 从上述描述可知， 当拉扣旋转到竖直位置吋， 定位玻珠卡进第一玻珠定位槽中 实现拉扣的直立定位。
[0042] 进一步的， 所述拉扣 3顶端设有拉扣凸起 34， 所述第二基座 2上设有与所述拉扣 凸起 34相适配的第三凹槽 22。
[0043] 从上述描述可知， 在合上拉扣后， 该锁扣结构可承受拼接物体的自重而防止拼 接物体滑落。
[0044] 进一步的， 所述斜销齿环 4上设有第二玻珠定位槽 41， 并且所述第二基座 2上设 有与所述第二玻珠定位槽 41匹配的第二定位玻珠 25。
[0045] 从上述描述可知， 当斜销齿环未与拉扣插孔卡合吋， 定位玻珠卡进斜销齿环上 的第二玻珠定位槽中， 实现斜销齿环初始位置定位。
[0046] 进一步的， 所述斜销齿环上设有空腔 42， 所述空腔 42的轮廓形状与斜销齿环的 轮廓形状近似。
[0047] 从上述描述可知， 通过在斜销齿环上设置空腔结构， 一方面可以减轻斜销齿环 的重量， 另一方面节省了材料用量， 降低了成本。
[0048] 进一步的， 所述斜销齿环 4通过限位螺丝 6安装在与之相适配的斜销齿环槽 23中
， 所述斜销齿环槽 23固定在所述第二基座 2上。
[0049] 进一步的， 所述斜销齿环槽 23为圆柱形槽， 所述圆柱形槽的底面圆的半径比所 述斜销齿环外轮廓圆的半径稍大。
[0050] 从上述描述可知， 斜销齿环安装好后， 斜销齿环在驱动模块的驱动下在圆柱形 槽中做圆周运动， 利用圆柱形槽限制斜销齿环的运动轨迹， 使斜销齿环运动更 平稳。 可选地， 所述圆柱形槽被设置有盖板， 以与所述圆柱形槽构成用于容纳 所述斜销齿环的空间， 并且防止所述斜销齿环从所述圆柱形槽中落下。
[0051] 进一步的， 所述锁扣还包括用于夹设在第一基座 1和第二基座 2之间的扇形块 8
， 所述扇形块 8在垂直于所述第一拼接板和第二拼接板的拼接面的方向上具有弧 度角。
[0052] 进一步的， 所述弧度角在 0-40度之间。 [0053] 从上述描述可知， 通过选用不同弧度角的拼接块可以实现不同内外弧度和平面 拼接。
[0054] 进一步的， 所述锁扣还包括定位机构， 所述定位机构包括相适配的定位销齿条 7和定位孔 24;
[0055] 所述定位销齿条 7安装在所述第一基座 1的销孔 12中， 并与所述拉扣 3通过拉扣 齿轮 35啮合连接， 所述拉扣齿轮 35位于所述拉扣旋转轴 32上；
[0056] 所述定位孔 24固定在所述第二基座 2上， 所述定位销齿条 7在所述拉扣齿轮 35的 带动下移动以插入或退出所述定位孔 24。
[0057] 从上述描述可知， 拉扣绕其旋转中心扣上后， 定位销齿条在拉扣齿轮带动下插 入位于第二基座上的定位孔中， 实现定位作用。 采用这种齿条传动的定位销结 构， 使得定位机构小， 动作稳定可靠， 不会发生卡死现象， 操作灵活。
[0058] 进一步的， 所述定位机构还包括用于夹设在第一基座 1和第二基座 2之间的扇形 块 8， 所述扇形块 8在垂直于所述第一拼接板和第二拼接板的拼接面的方向上具 有在 0-40度之间的弧度角， 所述定位销齿条 7在插入所述定位孔 24之前先插入到 所述扇形块 8中。
[0059] 进一步的， 所述扇形块 8具有供所述定位销齿条 7穿过的扇形块中心孔 81， 并且 具有插入所述定位孔 24的扇形块凸起 82。
[0060] 从上述描述可知， 将有弧度角的扇形块加入定位机构中， 使得在弧度拼接吋， 定位更稳定可靠， 锁扣对弧度拼接的两拼接板的固定更牢靠。
[0061] 本发明的实施例一为：
[0062] 一种用于拼接板的锁扣， 其特征在于， 包括锁扣模块和驱动模块， 所述锁扣模 块包括安装在第一拼接板上的拉扣 3和安装在第二拼接板上的与所述拉扣 3相适 配的斜销齿环 4， 所述斜销齿环 4的径向厚度是连续变化的； 所述拉扣 3上设有第 一插孔 31 ; 所述驱动模块用于驱动所述斜销齿环 4圆周运动， 以使得所述斜销齿 环 4与处于扣入位置的所述拉扣 3的所述第一插孔 31卡合或分离。
[0063] 所述拉扣 3安装在第一拼接板上的第一基座 1上， 并且所述斜销齿环 4安装在第 二拼接板上的第二基座 2上； 所述第一基座 1和所述第二基座 2上分别具有用于容 纳所述拉扣的第一凹槽 11和第二凹槽 21。 [0064] 所述拉扣 3底端设有拉扣旋转轴 32， 所述拉扣旋转轴 32通过限位螺丝 6安装在所 述第一基座 1上， 使所述拉扣 3绕所述第一基座 1旋转。
[0065] 所述斜销齿环 4通过限位螺丝 6安装在与之相适配的斜销齿环槽 23中， 所述斜销 齿环槽 23固定在所述第二基座 2上。
[0066] 所述斜销齿环槽 23为圆柱形槽， 所述圆柱形槽的底面圆的半径比所述斜销齿环 外轮廓圆的半径稍大。
[0067] 本发明的实施例二为：
[0068] 实施例二与实施例一的区别在于， 所述斜销齿环 4包括外轮廓和内轮廓； 所述 外轮廓为圆形， 并且设有锯齿结构， 所述内轮廓具有渐幵线形状； 所述斜销齿 环在所述渐幵线的始末端接合处设有缺口， 以供所述拉扣与所述斜销齿环分离 。 所述第一插孔 31的与所述斜销齿环 4的内轮廓相对应的侧壁具有弧度， 所述侧 壁的弧半径大于所述内轮廓渐幵线的最大半径。
[0069] 本发明的实施例三为：
[0070] 实施例三与实施例二的区别在于， 所述驱动模块包括旋转手轮 5， 所述旋转手 轮 5杆轴上设有手轮齿轮 51， 所述旋转手轮 5安装在所述第二基座 2上并且所述手 轮齿轮 51与所述斜销齿环 4啮合连接。
[0071] 本发明的实施例四为：
[0072] 实施例四与实施例三的区别在于， 所述拉扣旋转轴 32上设有第一玻珠定位槽 33
， 并且所述第一基座 1上设有与所述第一玻珠定位槽 33匹配的第一定位玻珠 13。
[0073] 本发明的实施例五为：
[0074] 实施例五与实施例四的区别在于， 所述拉扣 3顶端设有拉扣凸起 34， 所述第二 基座 2上设有与所述拉扣凸起 34相适配的第三凹槽 22。
[0075] 本发明的实施例六为：
[0076] 实施例六与实施例五的区别在于， 所述斜销齿环 4上设有第二玻珠定位槽 41， 并且所述第二基座 2上设有与所述第二玻珠定位槽 41匹配的第二定位玻珠 25。
[0077] 本发明的实施例七为：
[0078] 实施例七与实施例六的区别在于， 所述斜销齿环上设有空腔 42， 所述空腔 42的 轮廓形状与斜销齿环的轮廓形状近似。 [0079] 本发明的实施例八为：
[0080] 实施例八与实施例七的区别在于， 所述锁扣还包括用于夹设在第一基座 1和第 二基座 2之间的扇形块 8， 所述扇形块 8在垂直于所述第一拼接板和第二拼接板的 拼接面的方向上具有弧度角； 所述弧度角在 0-40度之间。
[0081] 本发明的实施例九为：
[0082] 实施例九与实施例七的区别在于， 所述锁扣还包括定位机构， 所述定位机构包 括相适配的定位销齿条 7和定位孔 24; 所述定位销齿条 7安装在所述第一基座 1的 销孔 12中， 并与所述拉扣 3通过拉扣齿轮 35啮合连接， 所述拉扣齿轮 35位于所述 拉扣旋转轴 32上； 所述定位孔 24固定在所述第二基座 2上， 所述定位销齿条 7在 所述拉扣齿轮 35的带动下可移动以插入所述定位孔 24中。
[0083] 本发明的实施例十为：
[0084] 实施例十与实施例九的区别在于， 所述定位机构还包括用于夹设在第一基座 1 和第二基座 2之间的扇形块 8， 所述扇形块 8在垂直于所述第一拼接板和第二拼接 板的拼接面的方向上具有在 0-40度之间的弧度角， 所述定位销齿条 7在插入所述 定位孔 24之前先插入到所述扇形块 8中。 所述扇形块 8具有供所述定位销齿条 7穿 过的扇形块中心孔 81， 并且具有插入所述定位孔 24的扇形块凸起 82。
[0085] 综上所述， 本发明提供的一种用于拼接板的锁扣， 利用斜销齿环在旋转手轮的 带动下插入拉扣的具有带有弧度侧壁的插孔中达到锁紧第一基座和第二基座的 作用， 利用插孔的弧度侧壁分散拉扣与斜销齿环间的相互作用力， 使拉扣更可 靠的锁住斜销齿环； 由于斜销齿环的径向厚度是连续变化的， 因而当第一拼接 板和第二拼接板之间距离偏差在一个较大的范围内吋， 该锁扣结构都可以很好 的固定两个拼接板； 通过选用不同弧度角的扇形块， 该锁扣结构可以在不需精 加工吋便可实现不同弧度内外弧拼接和平面拼接； 此外， 该锁扣结构还采用了 齿条传动的定位销结构， 使得定位机构小， 动作稳定可靠， 不会发生卡死现象 ， 操作灵活。 该锁扣结构可以用来锁紧重量较重的两拼接物体。

Claims

权利要求书
一种锁扣， 其特征在于， 包括锁扣模块和驱动模块， 所述锁扣模块包 括安装在第一主体上的拉扣和安装在第二主体上的与所述拉扣相适配 的斜销齿环， 所述斜销齿环的径向厚度是连续变化的； 所述拉扣上设 有第一插孔；
所述驱动模块用于驱动所述斜销齿环圆周运动， 以使得所述斜销齿环 与处于扣入位置的所述拉扣的所述第一插孔卡合或分离。
根据权利要求 1所述的锁扣， 其特征在于， 所述斜销齿环包括外轮廓 和内轮廓； 所述外轮廓为圆形， 并且设有锯齿结构， 所述内轮廓具有 渐幵线形状； 所述斜销齿环在所述渐幵线的始末端接合处设有缺口， 以供所述拉扣与所述斜销齿环分离。
根据权利要求 2所述的锁扣， 其特征在于， 所述第一插孔的与所述斜 销齿环的内轮廓相对应的侧壁具有弧度， 所述侧壁的弧半径大于所述 内轮廓渐幵线的最大半径。
根据权利要求 1至 3中任一项所述的锁扣， 其特征在于， 所述拉扣安装 在第一主体上的第一基座上， 并且所述斜销齿环安装在第二主体上的 第二基座上； 所述第一基座和所述第二基座上分别具有用于容纳所述 拉扣的第一凹槽和第二凹槽。
根据权利要求 4所述的锁扣， 其特征在于， 所述驱动模块包括旋转手 轮， 所述旋转手轮的杆轴上设有手轮齿轮， 所述旋转手轮安装在所述 第二基座上并且所述手轮齿轮与所述斜销齿环啮合连接。
根据权利要求 4所述的锁扣， 其特征在于， 所述斜销齿环通过限位螺 丝安装在与之相适配的斜销齿环槽中， 所述斜销齿环槽固定在所述第 二基座上。
根据权利要求 4所述的锁扣， 其特征在于， 还包括用于夹设在第一基 座和第二基座之间的扇形块， 所述扇形块在垂直于所述第一主体和第 二主体的拼接面的方向上具有弧度角。
根据权利要求 7所述的锁扣， 其特征在于， 所述弧度角在 0-40度之间 [权利要求 9] 根据权利要求 6至 8中任一项所述的锁扣， 其特征在于， 还包括定位机 构， 所述定位机构包括相适配的定位销齿条和定位孔；
所述定位销齿条安装在所述第一基座的销孔中， 并与所述拉扣通过拉 扣齿轮啮合连接， 所述拉扣齿轮位于所述拉扣旋转轴上；
所述定位孔固定在所述第二基座上， 所述定位销齿条在所述拉扣齿轮 的带动下移动以插入或退出所述定位孔。
[权利要求 10] 根据权利要求 9所述的锁扣， 其特征在于， 还包括用于夹设在第一基 座和第二基座之间的扇形块， 所述扇形块在垂直于所述第一主体和第 二主体的拼接面的方向上具有弧度角， 所述扇形块具有供所述定位销 齿条穿过的扇形块中心孔， 并且具有插入所述定位孔的扇形块凸起。
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