WO2014075642A1 - 一种平骨架真空吸盘 - Google Patents

一种平骨架真空吸盘 Download PDF

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Publication number
WO2014075642A1
WO2014075642A1 PCT/CN2013/087410 CN2013087410W WO2014075642A1 WO 2014075642 A1 WO2014075642 A1 WO 2014075642A1 CN 2013087410 W CN2013087410 W CN 2013087410W WO 2014075642 A1 WO2014075642 A1 WO 2014075642A1
Authority
WO
WIPO (PCT)
Prior art keywords
suction cup
ring
convex
cup body
annular
Prior art date
Application number
PCT/CN2013/087410
Other languages
English (en)
French (fr)
Inventor
石正兵
Original Assignee
中山市太力家庭用品制造有限公司
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
Priority claimed from CN2013100752687A external-priority patent/CN103148084A/zh
Priority claimed from CN 201320107438 external-priority patent/CN203214562U/zh
Priority claimed from CN2013104041148A external-priority patent/CN103470610A/zh
Priority claimed from CN2013104041400A external-priority patent/CN103470611A/zh
Priority claimed from CN201310405292.2A external-priority patent/CN103470612B/zh
Priority claimed from CN201320554911.XU external-priority patent/CN203516411U/zh
Priority to EP13855359.9A priority Critical patent/EP2827009A4/en
Priority to CN201380060477.2A priority patent/CN104884823B/zh
Priority to US14/380,375 priority patent/US9746022B2/en
Application filed by 中山市太力家庭用品制造有限公司 filed Critical 中山市太力家庭用品制造有限公司
Priority to AU2013347273A priority patent/AU2013347273B2/en
Priority to RU2014134403/12A priority patent/RU2587568C2/ru
Publication of WO2014075642A1 publication Critical patent/WO2014075642A1/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
    • F16B47/00—Suction cups for attaching purposes; Equivalent means using adhesives
    • 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
    • F16M—FRAMES, CASINGS OR BEDS OF ENGINES, MACHINES OR APPARATUS, NOT SPECIFIC TO ENGINES, MACHINES OR APPARATUS PROVIDED FOR ELSEWHERE; STANDS; SUPPORTS
    • F16M13/00—Other supports for positioning apparatus or articles; Means for steadying hand-held apparatus or articles
    • F16M13/02—Other supports for positioning apparatus or articles; Means for steadying hand-held apparatus or articles for supporting on, or attaching to, an object, e.g. tree, gate, window-frame, cycle
    • F16M13/022—Other supports for positioning apparatus or articles; Means for steadying hand-held apparatus or articles for supporting on, or attaching to, an object, e.g. tree, gate, window-frame, cycle repositionable
    • 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
    • F16B47/00—Suction cups for attaching purposes; Equivalent means using adhesives
    • F16B47/006—Suction cups for attaching purposes; Equivalent means using adhesives the suction cups being activated by the rotation of a cranked lever arm

Definitions

  • the invention relates to a civil vacuum suction cup, in particular to a flat skeleton vacuum suction cup. Background technique
  • Civil vacuum suction cups mainly meet the needs of people hanging objects at any time. It is used for hanging towel clothes and the like because it has the characteristics of being arbitrarily changeable to the mounting position. Since the suction cup is convenient to use, it is widely used by maintaining the two objects in the vacuum by using the vacuum to be separated, glued, and not required to be drilled.
  • the existing vacuum suction cup is divided into a skeleton suction cup and a skeletonless suction cup.
  • the conventional skeletonless suction cup is generally made of soft plastic injection molding, but the pressing method cannot be used between the suction surface of the suction cup and the surface of the substrate. The air is completely removed, and the air is easily infiltrated from the edge of the adsorption surface, so the adsorption force is insufficient;
  • the non-skeleton suction cup developed later is mainly composed of a brake handle, a suction cup body, a suction cup cover covering the suction cup body, and a center of the suction cup body.
  • a connecting rod that is connected to the suction cup cover and connected to the brake handle, and a spring that is sleeved on the connecting rod, applies force to the brake handle to pull the suction cup body through the connecting rod, so that a vacuum negative pressure is generated between the suction cup body and the surface of the base body, thereby
  • the suction cup is positioned to be adsorbed on the surface of the substrate.
  • the structure of the suction cup is complicated, the cost is high, and the operation is inconvenient, and the adsorption force is not strong.
  • the skeleton-free suction cup is composed of a suction cup body and a suction cup cover, and the suction cup cover covers the back surface of the suction cup body, and the suction cup body is pressed by the suction cup cover to form a vacuum chamber between the suction surface of the suction cup body and the surface of the base body, but the suction cup cover and the suction cup cover
  • the pressure contact area between the suction cups is not large enough, resulting in poor weight bearing capacity and long-lasting performance of the suction cups. Therefore, in general, the adsorption force of the skeletonless suction cup is not strong.
  • the suction cup with the skeleton can greatly improve the adsorption force because the skeleton can play a good pressure transmission function. Therefore, the structural improvement of the skeleton suction cup has become the technical research and development direction of the industry.
  • a skeleton suction cup generally comprises a skeleton, a suction cup body coated on the skeleton, a connecting rod disposed on the back surface of the skeleton, a suction cup cover sleeved on the connecting rod and covering the back surface of the suction cup body, and a suction cup cover disposed on the suction cup cover The back side is connected to the connecting rod for attaching the frame to the frame.
  • the suction cup When the flat skeleton suction cup needs to be adsorbed on the surface of the base body, the suction cup is first attached to the surface of the base body, and the external force pulls the connecting rod upward to deform the skeleton, and a vacuum chamber is formed between the suction cup body and the surface of the base body, and at the same time, the suction cup is covered by the external force. Under the action, the force transmission reacts to the suction cup body to limit its deformation, and the outside air cannot enter the vacuum chamber, and the suction cup body is adsorbed on the surface of the substrate under the interaction thereof.
  • the existing flat skeleton suction cup has insufficient adsorption force and is easy to fall off from the surface of the substrate, especially when the condition of the surface of the substrate is too strict (the wall surface is too smooth or uneven), resulting in friction between the suction cup and the surface of the substrate. The force is too small, causing the suction cup to fall off, so that the load bearing capacity and long-lasting performance cannot be met.
  • the object of the present invention is to provide a flat skeleton vacuum chuck which has a simple structure, can effectively transmit force, has large adsorption force, and is not easy to fall off.
  • a flat skeleton vacuum chuck comprising a flat plate skeleton, a suction cup body coated on the skeleton, a connecting rod disposed on the back surface of the skeleton and passing through the suction cup body, and being sleeved on the connection a suction cup cover covering the back surface of the suction cup body, a top pressing member disposed on the back surface of the suction cup cover and connected to the connecting rod, wherein: a sealing member is disposed on the adsorption surface of the suction cup body, The inner surface of the suction cup cover is provided with a convex ring for pressing the back surface of the suction cup body and the corresponding position of the sealing member.
  • the suction cup body of the invention is attached to the surface of the base body, and the suction cup body is deformed by applying a force to the top pressing member to stretch the connecting rod, and a vacuum chamber is formed between the suction cup body and the surface of the base body, and the external force is rigidly transmitted to the suction cup through the convex ring on the suction cup cover.
  • the body acts on the skeleton and reacts to the suction cup body to limit its deformation. Under the interaction, the suction cup body is tightly adsorbed on the surface of the substrate. Because it is rigid force transmission, the force transmission effect is good.
  • the seal can increase the tightness of the vacuum chamber and enhance the suction force of the suction cup. When pulling, it matches the sealing member, and the air does not easily enter the vacuum chamber.
  • the skeleton is not drawn vacuum. When it is in the form of a flat plate, the drawing vacuum is high, the adsorption force is large, and it is not easy to fall off, and the structure of the present invention is simple and the
  • annular rib is disposed on a periphery of a back surface of the skeleton, and a portion corresponding to the annular rib on a back surface of the suction cup body is provided with a through hole for extending the annular rib, the ring a rib extending into the through hole and exposed on a back surface of the suction cup body, the convex ring corresponding to a position where the annular rib is disposed, the annular rib directly receiving a pressing force from the suction cup cover and passing The convex ring is rigidly transmitted.
  • the annular rib of the skeleton of the present invention comprises an inner ring rib and an outer ring rib, the outer ring rib surrounding the inner ring rib, the convex ring including an inner ring for pressing the inner ring rib a convex ring and an outer convex ring for contacting the outer ring rib, the outer convex ring enclosing the inner convex ring, the inner convex ring corresponding to the position of the inner ring rib, the outer The convex ring corresponds to the position of the outer ring rib, and the suction body is deformed by applying a force to the pressing member to stretch the connecting rod, and the external force transmits the force to the inner ring rib through the inner convex ring on the suction cup cover.
  • the outer convex ring transmits force to the outer ring rib and rigidly transmits force to the suction cup body to counteract the deformation of the suction cup body.
  • a central convex ring surrounding a central portion of the inner surface of the suction cup cover is further disposed on the inner surface of the suction cup cover, the inner convex ring enclosing the central convex ring, and the central convex ring corresponds to the inner portion a portion between the inner edge of the ring rib and the joint between the skeleton and the connecting rod.
  • the outer annular surface of the center collar on the suction cup cover is located inside the outer side surface of the seal.
  • the sealing member is not pulled in or completely pulled into the inner side of the central convex ring, ensuring the sealing contact between the sealing member and the surface of the base body, preventing the gap between the sealing member and the surface of the base body from leaking, ensuring that the air is leaked. Sufficient vacuum adsorption.
  • the sealing member protrudes from the suction surface of the suction cup body, and the sealing member forms a contact friction surface with the edge of the suction cup body.
  • a frictional contact surface is formed between the seal and the edge of the suction cup body to ensure sufficient vacuum suction and friction at the same time.
  • the suction surface of the suction cup body is provided with a mounting groove
  • the sealing member is installed in the mounting groove
  • the sealing member protrudes from the notch of the mounting groove
  • the seal of the present invention has a viscosity greater than that of the chuck body.
  • the sealing member is more easily attached to the surface of the substrate to increase the sealing effect.
  • the sealing member is better bonded to the suction cup body and is not easily separated from the suction cup body.
  • the suction cup body of the present invention is integrally formed with the sealing member.
  • the sealing member is a sealing ring, the sealing ring enclosing a central portion of the suction surface of the suction cup body, and the sealing ring forms the same relationship with an edge of the suction cup body Contact friction surface.
  • the inner convex ring of the present invention is a radial convex rib distributed around the central convex ring, the radial convex rib extending from the central convex ring to the outer convex ring, and the central convex ring is higher than the convex a ring, a top surface of the radial rib being inclined from the central convex ring toward the outer convex ring.
  • the central convex ring not only transmits force, but also restricts the excessive deformation of the flat bone suction cup, avoiding pulling the sealing ring away from the surface of the attached substrate, and reducing the vacuum degree and adsorption performance of the suction cup.
  • the sealing member is a gasket located at a central portion of the suction surface of the suction cup body, and the sealing friction surface is formed between the gasket and the edge of the suction cup body.
  • the circumference of the back surface of the skeleton is further provided with an annular step protruding toward the back surface of the skeleton, and the inner ring rib is formed by a plurality of circumferentially distributed radial ribs.
  • the outer ring rib is located on the edge of the upper step surface of the annular step, and the radial rib on the skeleton is located on the lower step surface of the annular step.
  • the annular step can increase the space in which the skeleton is elastically deformed.
  • the soft rubber material is slightly thicker at the annular notch during injection molding, and when pressed, the portion It is easy to deform and better adapt to the surface of high and low roughness substrates.
  • the skeleton of the present invention is provided with radial fractures distributed along the circumference thereof, and the fractures respectively cut off the outer ring ribs so that the outer ring ribs are surrounded by a plurality of protrusions.
  • the radial fracture facilitates the suction of the suction cup during the secondary injection molding, and can better make the skeleton completely covered by the soft rubber forming the suction cup body to form a whole, and several single pieces formed by the radial fracture Mainly plays the role of "grabbing", similar to the fingers of the palm of a person, especially on the surface of the uneven, rough and airtight substrate, each single piece can be adsorbed at its corresponding high position according to the unevenness of the actual surface of the substrate.
  • the self-adjusting height is realized, and the adsorption surface of the suction cup body is more strongly adsorbed when it contacts the surface of the substrate, and at the same time, the friction force is generated, so that the suction cup of the invention can be better adsorbed at the height. Uneven, rough and dense on the surface of the substrate.
  • the fracture includes a short fracture and a long fracture, the long fracture extending from a position near a center portion of the skeleton to a rim of the skeleton, and the short fracture is located at an edge of the skeleton,
  • the length of the short fracture is 1/4 ⁇ 3/4 of the length of the long fracture, and the short fracture is on the upper step surface of the annular step, and the short fracture and the long fracture are arranged at intervals to form a plurality of Y-shaped forks,
  • the projections are located on the two open ends of the Y-shaped fork.
  • the short fracture and long fracture spacing of the present invention ensure the strength of each of the Y-shaped forks, and at the same time, avoid the result of poor adsorption due to the insufficient strength of the single sheets and the reduction in the number of individual sheets.
  • the suction surface of the suction cup body is provided with an annular rough portion near the edge thereof, and the annular rough portion is a smooth portion with the edge of the adsorption surface.
  • the annular roughness can increase the friction between the adsorption surface and the surface of the substrate, and further improve the adsorption force of the suction cup so that it is not easy to fall off.
  • the annular roughness is a rough ring having a complete torus.
  • the annular rough portion is formed by circumferentially enclosing a plurality of rough strips, the rough strips are spaced apart, and the rough strips are smooth portions.
  • the rough surface of the rough ring and the rough strip is etched or textured.
  • the connecting portion of the connecting rod and the skeleton of the present invention is provided with reinforcing ribs, and the reinforcing ribs are distributed along the circumference.
  • the present invention can also make the following improvements:
  • the pressing member comprises a nut sleeve and a hook
  • the connecting rod is a screw
  • the hook is sleeved on the screw and located between the back of the suction cup cover and the nut sleeve
  • the nut is matched with the screw
  • the suction cup After the body is attached to the surface of the substrate, the suction cup body is deformed by pulling the nut sleeve downward to pull the screw.
  • a positioning hole is disposed on the back surface of the suction cup cover, and the hook is provided with a positioning post corresponding to the positioning hole, and the positioning column is inserted into the positioning hole to position the hook on the suction cup cover.
  • the pressing member is hinged to the connecting rod, and the connecting end of the pressing member is cam-shaped. After the suction cup body is attached to the surface of the base body, the protruding portion of the connecting end is pressed against the back surface of the suction cup cover to pull the connecting rod. The suction cup body is deformed.
  • the peripheral edge of the suction cup body of the present invention has a lip extending outwardly and laterally, the lip being a thin plate body, and the suction cup cover The edge is pressed against the lip.
  • the present invention has the following significant advantages:
  • the invention transmits force to the skeleton through the convex ring, and is rigid force transmission, so the force transmission effect is good, the sealing member can increase the airtightness of the vacuum chamber, enhance the adsorption force of the suction cup, and cooperate with the sealing member when pulling.
  • the air is not easy to enter the vacuum chamber; and the skeleton is flat when the vacuum is not drawn, so the drawing vacuum is high, the adsorption force is large, and it is not easy to fall off.
  • the radial fracture of the present invention is used for deformation of the skeleton when it is pressed, and also facilitates the suction of the suction cup during the secondary injection molding, so that the skeleton can be better covered by the soft rubber forming the suction cup body.
  • the two are formed into a single body; in addition, the several single pieces formed by the radial fractures mainly play the role of "grabbing", similar to the fingers of the human palm, especially on the surface of the uneven, rough and airtight substrate.
  • each single piece can be adsorbed at its corresponding high or low position according to the height of the surface of the actual substrate, and the height can be adjusted independently, so that the adsorption surface of the suction cup body and the surface of the substrate are more strongly adsorbed. At the same time, greater friction is generated, and therefore, the suction cup of the present invention can be better adsorbed on the surface of the substrate which is uneven, rough and airtight.
  • the short fracture and long fracture interval arrangement of the present invention can ensure the strength of each Y-shaped fork, and at the same time, avoid the result of poor adsorption force caused by the decrease in the number of single pieces due to insufficient strength of the single piece. .
  • the sealing member can further increase the tightness of the vacuum chamber, enhance the adsorption force of the suction cup, and form a contact friction surface between the sealing member and the edge of the suction cup body, thereby ensuring sufficient vacuum adsorption force and friction force at the same time.
  • the annular rough portion can increase the friction between the adsorption surface and the surface of the substrate, and further improve the adsorption force of the suction cup to make it difficult to fall off.
  • the lip of the present invention can further ensure the airtightness of the vacuum chamber between the chuck body and the surface of the substrate and increase the contact area and the adsorption force.
  • the annular step can increase the space in which the skeleton is elastically deformed. Since the portion of the front surface of the skeleton corresponding to the upper step surface is an annular notch, the soft rubber material is slightly thicker at the annular notch during injection molding, when pressed This part is prone to deformation and is more suitable for the surface of high and low roughness substrates.
  • Figure 1 is a view showing the overall configuration of a first embodiment of the present invention
  • Figure 2 is an overall axial cross-sectional view of the suction cup body of the embodiment 1 of the present invention when it is sucked;
  • Figure 3 is a structural exploded view of Embodiment 1 of the present invention.
  • Figure 4 is a structural view of a skeleton of Embodiment 1 of the present invention.
  • Figure 5 is a bottom plan view showing the suction surface of the chuck body of Embodiment 3 of the present invention.
  • Figure 5-1 is an axial cross-sectional view of the suction cup body of the embodiment 3 of the present invention before being sucked;
  • Figure 5-2 is an axial cross-sectional view of the suction cup body of the embodiment 3 of the present invention when it is sucked;
  • Figure 5-3 is an axial cross-sectional view of the suction cup body of the embodiment 2 of the present invention before being sucked;
  • Figure 5-4 is an axial cross-sectional view of the suction cup body of the embodiment 2 of the present invention when it is sucked;
  • Figure 6 is a bottom view of the suction surface of the suction cup body of Embodiment 4 of the present invention.
  • Figure 7 is a bottom plan view showing the suction surface of the chuck body of the embodiment 5 of the present invention.
  • Figure 8 is a bottom view of the suction surface of the suction cup body of Embodiment 6 of the present invention.
  • Figure 8-1 is a bottom view of the suction surface of the suction cup body of Embodiment 7 of the present invention.
  • Figure 8-2 is a bottom view of the suction surface of the suction cup body of the eighth embodiment of the present invention.
  • Figure 8-3 is a bottom view of the suction surface of the suction cup body of Embodiment 9 of the present invention.
  • Figure 9 is a view showing the overall configuration of a second embodiment of the present invention.
  • Figure 10 is a structural exploded view of Embodiment 2 of the present invention.
  • Figure 11 is a bottom plan view of a suction cup cover of Embodiment 2 of the present invention.
  • Figure 12 is a cross-sectional view taken along line A-A of Figure 11;
  • Figure 13 is a view showing the overall configuration of a tenth embodiment of the present invention.
  • Figure 14 is a structural exploded view of Embodiment 10 of the present invention. detailed description
  • a flat skeleton vacuum chuck according to the present invention comprises a flat plate skeleton 1, a suction cup body 2 coated on the skeleton 1, and a connecting rod 101 which is disposed on the back surface of the skeleton 1 and passes through the suction cup body 2.
  • a cap-shaped suction cup cover 3 which is sleeved on the connecting rod 101 and covers the back surface of the suction cup body 2, and a pressing member which is disposed on the back surface of the suction cup cover 3 and connected to the connecting rod, and is disposed on the adsorption surface of the suction cup body 2.
  • the inner surface of the suction cup cover 3 is provided with a convex ring for pressing the back surface of the suction cup body 2 at a position corresponding to the sealing member, and the skeleton 1 extends from the central portion to the edge of the suction cup body 2.
  • An annular rib is arranged on the periphery of the back surface of the skeleton 1.
  • the portion of the back surface of the suction cup body 2 corresponding to the annular rib is provided with a through hole for the annular rib protruding. The annular rib extends into the through hole and is exposed to the suction cup body.
  • the top surface of the annular rib is flush with the back surface of the suction cup body, the convex ring corresponds to the position of the annular rib, and the annular rib directly receives the pressing force from the suction cup cover and transmits the force through the convex ring.
  • the suction cup body 2 is attached to the surface of the base body 10, and the suction cup body is deformed by applying a force to the top pressing member to pull the connecting rod, and a vacuum chamber 9 is formed between the suction cup body and the surface of the base body 10.
  • the external force is rigidly transmitted through the convex ring of the suction cup cover.
  • the skeleton 1 is further applied to the suction cup body 2 to counteract the deformation of the suction cup body, and the suction cup is tightly adsorbed on the surface of the base body 10 under the interaction thereof.
  • the annular rib of the skeleton 1 includes an inner ring rib 122 and an outer ring rib 123.
  • the outer ring rib 123 encloses the inner ring rib 122, the height of the outer ring rib and the inner ring rib.
  • the height is 1.0 ⁇ 2.0mm.
  • the convex ring includes a central convex ring 301 surrounding the inner portion of the inner surface of the suction cup cover 3, an inner convex ring 302 for contacting the inner ring convex rib 122, and an outer convex ring 303 for contacting the outer ring convex rib 123, the outer convex ring 303 encloses an inner convex ring 302, and the inner convex ring 302 surrounds the central convex ring 301.
  • the inner convex ring 302 corresponds to the position of the inner ring rib 122
  • the outer convex ring 303 corresponds to the position of the outer ring rib 123.
  • the central convex ring corresponds to a portion between the inner edge of the inner ring rib and the joint between the skeleton and the connecting rod.
  • the force is applied to the top pressing member to pull the connecting rod to deform the suction cup body, and the external force transmits force to the inner ring convex rib through the inner ring of the suction cup cover, and the outer convex ring transmits force to the outer ring convex rib to rigidly transmit force to the suction cup.
  • the body acts to restrain the deformation of the suction cup body.
  • the sealing member is a sealing ring 16, which is made of PU glue, and the suction cup body 2 is integrally formed with the sealing ring 16.
  • the viscosity of the sealing ring 16 is greater than the viscosity of the suction cup body 2, and the adsorption surface of the suction cup body 2 is installed.
  • the sealing ring is installed in the mounting groove, the sealing ring 16 surrounds the central portion of the suction surface of the suction cup body 2, and the sealing ring 16 protrudes from the notch of the mounting groove, and the sealing ring 16 forms a contact friction with the edge of the suction cup body 2. surface.
  • the outer annular surface 301b of the center convex ring 301 on the suction cup cover is located inside the outer side surface 4b of the seal ring 16.
  • the seal is not pulled in or pulled completely inside the center collar, ensuring The sealing contact between the sealing member and the surface of the substrate avoids a gap between the sealing member and the surface of the substrate and leaks gas, thereby ensuring sufficient vacuum adsorption force.
  • An annular step 6 protruding toward the back surface of the skeleton 1 is further disposed on the periphery of the back surface of the skeleton 1.
  • the height of the annular step 6 is 1.0 to 2.0 mm, and the inner ring rib 122 is surrounded by a plurality of circumferentially distributed radial ribs.
  • the outer ring rib 123 is located on the edge of the upper step surface of the annular step, and the radial rib on the frame 1 is located on the lower step surface of the annular step 6.
  • the skeleton 1 is provided with a radial fracture distributed along the circumference thereof, and the fractures respectively cut off the outer ring ribs so that the outer ring ribs are surrounded by a plurality of protrusions, and the protrusions receive the force from the suction cup cover and pass the convex
  • the ring is rigidly transmitted.
  • the fracture includes a short fracture 7 and a long fracture 8 extending from a position near the center of the skeleton 1 to the edge of the skeleton 1.
  • the distance between the initial position of the long fracture 8 and the center of the skeleton 1 is about 8 to 15 mm.
  • the short fracture 7 is located on the edge of the skeleton 1, the length of the short fracture 7 is 1/4 ⁇ 3/4 of the length of the long fracture 8, and the short fracture is on the upper step surface of the annular step, and the short fracture 7 and the long fracture 8 are arranged at intervals.
  • a plurality of Y-shaped forks 102 are formed, the projections being located on the two open ends of the Y-shaped fork.
  • the connecting portion of the connecting rod and the skeleton is provided with reinforcing ribs 11, and the reinforcing ribs 11 are distributed along the circumference.
  • An injection hole 121 is also provided on the skeleton.
  • the pressing member comprises a nut sleeve 51 and a hook 52.
  • the connecting rod is a screw.
  • the hook is sleeved on the screw and located between the back of the suction cup cover and the nut sleeve.
  • the nut is matched with the screw, and the suction cup body is attached to the surface of the base body and passes downward. Rotate the nut sleeve to pull the screw to deform the suction cup body.
  • a positioning hole 305 is disposed on the back surface of the suction cup cover, and the hook 52 is provided with a positioning post corresponding to the positioning hole 305. The positioning post is inserted in the positioning hole to position the hook on the suction cup cover.
  • the periphery of the suction cup body has a lip 24 extending outwardly and laterally, and the lip 24 is a thin plate body, and the edge 304 of the suction cup cover is pressed against the lip.
  • the working principle of the invention is as follows: First, the flat skeleton suction cup is attached to the surface of the substrate, and there is almost no air between them (approximating in a vacuum state). Then, an external force is applied to pull the suction cup skeleton connecting rod to deform the suction cup body to form a vacuum chamber between the suction cup and the surface of the base body, and the external force is transmitted to the suction cup body through the rigid force transmission of the suction cup cover (not deformed), in the suction cup Under the force and restriction of the annular rib on the cover, due to the airtightness between the suction cup and the surface of the substrate, the outside air cannot enter the vacuum chamber, and the deformation of the suction cup body is limited, and the suction cup is firmly fixed under the interaction thereof. The ground is adsorbed on the surface of the substrate. That is, the suction cup cover of the flat skeleton suction cup does not deform, and the force is directly transmitted through the rigidity.
  • the present embodiment is different from Embodiment 1 in that: the inner convex ring 302 is a radial convex rib distributed around the central convex ring 301, and the radial direction is radial.
  • the rib extends from the central convex ring 301 to the outside
  • the convex ring 303 has a central convex ring 301 higher than the outer convex ring 303, and the top surface of the radial convex rib is inclined from the central convex ring 301 toward the outer convex ring 303.
  • the sealing member is a gasket 21 located at a central portion of the suction surface of the suction cup body 2, the gasket 21 and the suction cup body.
  • a contact friction surface 30 is formed between the edges, and the outer ring surface 301b of the center collar 301 on the chuck cover is located inside the outer side surface 4ba of the gasket 21 when the suction cup is sucked.
  • the sealing member is two sealing rings 17 and 18 of different ring diameters
  • the mounting groove is two annular grooves corresponding to the sealing ring, the two The annular grooves are sequentially looped from the smallest to the center of the suction surface of the suction cup body 2, and a contact friction surface 30 is formed between the sealing ring 18 of the largest ring diameter and the edge of the suction cup body 2.
  • the sealing member adopts a sealing gasket 19 and a sealing ring 20, and the sealing gasket 19 is located at the center of the suction surface of the suction cup body 2 for mounting the sealing ring.
  • the annular groove is one, the sealing ring corresponds to the annular groove, the sealing ring 20 surrounds the sealing gasket 19, and the sealing ring 20 forms a contact friction surface 30 with the edge of the suction cup body 2.
  • the difference between this embodiment and the embodiment 3 is that the suction surface of the suction cup body 2 is provided with an annular rough portion 22 near the edge thereof, and the annular rough portion 22 is smooth with the edge of the adsorption surface.
  • the annular roughness 22 is a rough ring having a complete torus, and the rough surface of the rough ring is etched.
  • the difference between the embodiment and the embodiment 6 is that the annular roughness is formed by circumferentially surrounding the plurality of rough strips 25, and the rough surface of the rough strip 25 is textured, and the rough strips 25 are spaced apart. Set, and between the rough strips 25 is a smooth portion 23.
  • a sealing ring 18 surrounding the central portion of the adsorption surface is provided on the adsorption surface of the suction cup body 2, and the annular roughness portion 22 is located at the sealing ring 18.
  • the periphery As shown in FIG. 8-3, the difference between this embodiment and the embodiment 7 is that: a sealing ring 18 surrounding the central portion of the adsorption surface is disposed on the adsorption surface of the suction cup body 2, and the rough strip 25 is located at the sealing ring 18. periphery.
  • the difference between the embodiment and the embodiment 3 is that the pressing member 5 and the connecting rod 101 are hinged by the shaft pin 54, and the connecting end of the pressing member 5 is cam-shaped, and the suction cup is fitted. After the surface of the substrate, the protruding portion 501 of the connecting end is pressed against the back surface of the suction cup cover to pull the connecting rod to deform the suction cup body.
  • the number of the sealing ring is determined according to a specific situation, and a plurality of annular grooves of different sizes are sequentially looped from the smallest to the center of the suction surface of the suction cup body;
  • the specific structure also has other embodiments, the rough surface of the annular roughness can also adopt other lines; the length of the short fracture is 1/4 ⁇ 3/4 of the length of the long fracture; the annular rib on the back circumference of the skeleton is provided with an annular convex The rib is wrapped in the suction cup body, the convex ring corresponds to the position of the annular rib, and the annular rib receives the pressing force from the suction cup cover through the suction cup body; the more the number of the Y-shaped fork, the weaker the strength of the entire skeleton The smaller the number of Y-shaped forks, the more the suction force of the suction cup will be affected. Therefore, the number of Y-shaped forks

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Abstract

一种平骨架真空吸盘，包括平板骨架（1），包覆在骨架（1）上的吸盘体（2），设于骨架（1）背面上并穿出吸盘体（2）的连接杆（101），套设在连接杆（101）上且罩覆在吸盘体（2）背面上的吸盘罩（3），设于吸盘罩（3）背面上并与连接杆（101）连接的顶压件（51、52），在所述吸盘体（2）的吸附面上设有密封件（16），所述吸盘罩（3）的内面上设有用于触压吸盘体（2）背面与密封件（16）对应位置处的凸环（301、302、303），由于是刚性传力，因此传力效果好，密封件（16）可以增加真空腔的密闭性，增强吸盘的吸附力，抽拉时，与密封件（16）相配合，空气不易进入真空腔，骨架（1）在未抽拉真空时呈平板状，所以抽拉真空度高，吸附力大，不易脱落，而且结构简单，成本低。

Description

一种平骨架真空吸盘 技术领域
本发明涉及一种民用真空吸盘， 具体是指一种平骨架真空吸盘。 背景技术
民用真空吸盘主要满足人们随时挂生活物件的需要。由于它具有可任意变换 安装位置的特性， 所以用于悬挂毛巾衣物等。 由于吸盘使用方便， 使用时通过真 空度来维持两物体附着不分离、 再加以胶粘、 不需要钻墙而被广泛应用。
现有的真空吸盘分为有骨架的吸盘和无骨架的吸盘，传统的无骨架吸盘一般 是由软质塑料注塑成型一体制成， 但是， 由于按压方式无法将吸盘的吸附面与基 体表面之间的空气完全排除，而且空气易于从吸附面边缘渗入，因此吸附力不足; 随后发展起来的无骨架吸盘主要由制动柄、 吸盘体、 罩于吸盘体上的吸盘罩、设 于吸盘体中心穿出吸盘罩并与制动柄相连的连接杆、 套于连接杆上的弹簧组成， 施力于制动柄通过连杆将吸盘体拉起，使吸盘体与基体表面之间产生真空负压从 而将吸盘定位吸附在基体表面上。 但是， 这种吸盘的结构较为复杂、 成本较高， 而且操作不便， 吸附力不强。 另外， 无骨架的吸盘由吸盘体和吸盘罩组成， 吸盘 罩罩覆在吸盘体的背面上，通过吸盘罩按压吸盘体形成吸盘体吸附面与基体表面 之间的真空腔， 但是， 吸盘罩与吸盘体之间的施压接触面积不够大， 从而导致吸 盘的承重能力和持久性能较差。 所以， 一般而言， 无骨架吸盘的吸附力不强。
而有骨架的吸盘由于其中的骨架能够起到良好的按压力传递作用，大大提高 了吸附力， 因此， 对于有骨架吸盘的结构改进成为本行业的技术研发方向。
目前， 有骨架的吸盘一般包括骨架、包覆在骨架上的吸盘体、 设于骨架背面 上的连接杆、套设在连接杆上且罩覆在吸盘体背面上的吸盘罩、设于吸盘罩背面 并与连接杆连接用于对骨架实施拉压的挂件。当需要将平骨架吸盘吸附在基体表 面上时， 先将吸盘贴合在基体表面上， 外力向上拉动连接杆使骨架发生变形，吸 盘体与基体表面之间形成真空腔， 同时， 吸盘罩在外力作用下传力反作用于吸盘 体限制其变形， 外界空气无法进入真空腔， 在其相互作用下使吸盘体吸附于基体 表面上。 但是， 现有平骨架吸盘的吸附力不够大， 容易从基体表面上脱落， 特别是当 基体表面的条件过于严苛（墙面过于光滑或者凹凸不平）时， 导致吸盘与基体表 面之间的摩擦力太小造成吸盘脱落， 以致无法满足承重能力和持久性能的需要。 发明内容
本发明的目的在于提供一种结构简单、 能够有效传力、 吸附力大、 不易脱落 的平骨架真空吸盘。
本发明的目的通过以下的技术措施来实现： 一种平骨架真空吸盘， 包括平板 骨架、包覆在骨架上的吸盘体、 设于骨架背面上并穿出吸盘体的连接杆、套设在 连接杆上且罩覆在吸盘体背面上的吸盘罩、设于吸盘罩背面上并与连接杆连接的 顶压件， 其特征在于： 在所述吸盘体的吸附面上设有密封件， 所述吸盘罩的内面 上设有用于触压吸盘体背面与密封件对应位置处的凸环。
本发明吸盘体贴合在基体表面上，通过施力于顶压件拉伸连接杆使吸盘体发 生变形， 吸盘体与基体表面之间形成真空腔， 外力通过吸盘罩上凸环刚性传力至 吸盘体上再作用于骨架上而反作用于吸盘体限制其变形，在其相互作用下使吸盘 体紧紧吸附于基体表面上。 由于是刚性传力， 因此传力效果好， 密封件可以增加 真空腔的密闭性， 增强吸盘的吸附力， 抽拉时， 与密封件相配合， 空气不易进入 真空腔； 骨架在未抽拉真空时呈平板状， 所以抽拉真空度高， 吸附力大， 不易脱 落， 而且本发明的结构简单， 成本低。
作为本发明的一种改进， 所述骨架的背面周缘上设有环形凸筋， 所述吸盘体 的背面上对应于环形凸筋的部位设有用于环形凸筋伸出的通孔，所述环形凸筋伸 至所述通孔中而外露在所述吸盘体的背面上，所述凸环与环形凸筋的设置位置相 对应， 所述环形凸筋直接接受来自吸盘罩的按压作用力并通过凸环刚性传力。
本发明所述骨架的环形凸筋包括内环凸筋和外环凸筋，所述外环凸筋围括所 述内环凸筋，所述凸环包括用于触压内环凸筋的内凸环和用于触压外环凸筋的外 凸环， 所述外凸环围括所述内凸环， 所述内凸环与所述内环凸筋的设置位置相对 应， 所述外凸环与所述外环凸筋的设置位置相对应， 通过施力于顶压件以拉伸连 接杆使吸盘体发生变形， 同时外力通过吸盘罩上的内凸环传力至内环凸筋、外凸 环传力至外环凸筋而刚性传力至吸盘体上以反作用于吸盘体限制其变形。 作为本发明的进一步改进，在所述吸盘罩内面上还设有围括吸盘罩内面中心 部位的中心凸环， 所述内凸环围括所述中心凸环， 所述中心凸环对应于内环凸筋 的内缘与所述骨架和连接杆连接处之间的部位。
作为本发明的优选方式， 所述吸盘吸紧时， 所述吸盘罩上的中心凸环的外环 面处于所述的密封件的外侧面的内侧。吸盘在吸紧时， 密封件不被拉进或完全拉 进中心凸环的内侧， 确保了密封件与基体表面的密封接触， 避防止了密封件与基 体表面之间出现缝隙而漏气， 保证了足够的真空吸附力。
本发明还可以做以下改进， 所述密封件突出于所述吸盘体的吸附面， 所述密 封件与吸盘体的边缘之间形成接触摩擦面。密封件与吸盘体的边缘之间形成接触 摩擦面， 能够同时保证有足够的真空吸附力及摩擦力。
作为本发明的一种推荐实施方式， 所述的吸盘体的吸附面设有安装槽， 所述 密封件安装在安装槽内， 所述密封件突出于所述安装槽的槽口。
本发明所述密封件的粘性大于所述吸盘体的粘性。密封件更易与基体表面贴 附， 增加密封效果， 另外， 密封件与吸盘体粘结比较好， 不易与吸盘体分离。
本发明所述的吸盘体与所述密封件一体成型。
作为本发明的一种实施方式， 所述的密封件为密封圈， 所述密封圈围括所述 吸盘体吸附面的中心部位，所述密封圈与所述吸盘体的边缘之间形成所述的接触 摩擦面。
本发明所述内凸环是围绕中心凸环按圆周分布的径向凸筋，所述径向凸筋从 中心凸环延伸至所述外凸环， 所述中心凸环高于所述外凸环， 所述径向凸筋的顶 面自所述中心凸环朝向外凸环倾斜。 中心凸环既传力， 又起限制平骨吸盘过度变 形的作用， 避免将密封圈拉离贴附基体表面， 降低吸盘真空度及吸附性能。
所述密封件为位于所述吸盘体吸附面的中心部位的密封垫，所述密封垫与所 述吸盘体的边缘之间形成所述的接触摩擦面。
本发明还可以做以下改进，所述骨架背面的周缘上还设有向骨架背面凸起的 环形台阶， 所述内环凸筋由数个沿圆周分布的径向凸筋合围而成， 所述外环凸筋 位于所述环形台阶的上台阶面的边沿上，所述骨架上的径向凸筋位于所述环形台 阶的下台阶面上。环形台阶可以增大骨架发生弹性形变的空间， 由于骨架正面对 应于上台阶面的部位是一环形缺口， 因此在注塑时， 软胶材料在环形缺口处会稍 厚一些， 在按压时， 此部位容易发生变形， 更能很好地适应高低粗糙基体表面。 本发明所述骨架上设有沿其圆周分布的径向的断口，所述断口分别截断外环 凸筋而使外环凸筋由数个凸起合围而成。
径向断口方便吸盘在二次注塑成型时走胶，能够更好地使骨架由形成吸盘体 的软胶完全包覆而使二者形成一个整体，而且由径向的断口形成的数个单片主要 起 "抓"的作用， 类似人手掌的几个手指， 特别是在高低不平、 粗糙致密不透气 的基体表面上， 每个单片可以根据实际基体表面高低不平程度， 吸附在其对应的 高位或低位的位置上， 实现自主调节高度， 使吸盘体的吸附面与基体表面接触时 产生更强的吸附力， 同时也产生更大的摩擦力， 因此， 本发明吸盘能够更好地吸 附在高低不平、 粗糙致密不透气的基体表面上。
作为本发明的一种改进， 所述断口包括短断口和长断口， 所述长断口自靠近 骨架中心部位的位置延伸至骨架的边沿， 而所述短断口位于所述骨架的边缘上， 所述短断口长度为长断口长度的 1/4~3/4， 且所述短断口处于所述环形台阶的上 台阶面上， 所述短断口和长断口间隔布置形成数个 Y形叉， 所述凸起位于 Y形 叉的两开口端上。 本发明的短断口和长断口间隔布置， 可以确保每一个 Y形叉 的强度， 同时， 也避免了因单片的强度不够而减少单片的数量所导致的吸附力不 好的结果。
作为本发明的进一步改进，所述吸盘体的吸附面靠近其边缘处设有环形的粗 糙部， 所述环形粗糙部与吸附面的边缘之间为光滑部。环形粗糙部可增大吸附面 与基体表面之间的摩擦力， 进一步提高吸盘的吸附力使其不易脱落。
作为本发明的一种实施方式， 所述环形粗糙部为一具有完整环面的粗糙环。 作为本发明的另一种实施方式，所述环形粗糙部由多个粗糙条沿圆周合围而 成， 所述粗糙条间隔设置， 且所述粗糙条之间为光滑部。
优选地， 所述粗糙环和粗糙条的粗糙面为蚀纹或网纹。
本发明所述连接杆与骨架的连接部位设有加强筋， 所述加强筋沿圆周分布。 为了进一步提高吸盘的吸附力， 本发明还可以做以下改进：
所述顶压件包括螺母套和挂钩， 所述连接杆为螺杆， 所述挂钩套于所述螺 杆上并位于所述吸盘罩背面与螺母套之间， 所述螺母与螺杆相适配， 吸盘体贴合 在基体表面后， 通过向下旋动螺母套以拉动螺杆使吸盘体发生变形。
所述吸盘罩的背面上设有定位孔， 所述挂钩上设有与定位孔相对应的定位 柱， 所述定位柱插装在定位孔中将挂钩定位在吸盘罩上。 所述顶压件与连接杆相铰接， 所述顶压件的连接端为凸轮状， 吸盘体贴合在 基体表面后，通过连接端的凸出部顶压在吸盘罩的背面上以拉动连接杆使吸盘体 发生变形。
为了进一步确保吸盘的气密性及增大接触面积与吸附力，本发明所述吸盘体 的周缘具有向外横向伸出的唇边， 所述唇边为薄状板体， 所述吸盘罩的边沿压在 所述唇边上。
与现有技术相比， 本发明具有以下显著的优点：
(1)本发明通过凸环传力至骨架上， 为刚性传力， 因此传力效果好， 密封件可 以增加真空腔的密闭性， 增强吸盘的吸附力， 抽拉时， 与密封件相配合， 空气不 易进入真空腔；且骨架在未抽拉真空时呈平板状，所以抽拉真空度高，吸附力大， 不易脱落。
(2)吸盘在吸紧时， 密封件不被拉进或完全拉进中心凸环的内侧， 确保了密封 件与基体表面的密封接触， 避防止了密封件与基体表面之间出现缝隙而漏气，保 证了足够的真空吸附力。
(3)本发明径向的断口用于骨架在被按压时发生变形， 另外， 也方便吸盘在二 次注塑成型时走胶，能够更好地使骨架由形成吸盘体的软胶完全包覆而使二者形 成一个整体； 再者， 由径向的断口形成的数个单片主要起 "抓"的作用， 类似人 手掌的几个手指， 特别是在高低不平、粗糙致密不透气的基体表面上， 每个单片 可以根据实际基体表面高低不平程度， 吸附在其对应的高位或低位的位置上，实 现自主调节高度， 使吸盘体的吸附面与基体表面接触时产生更强的吸附力， 同时 也产生更大的摩擦力， 因此， 本发明吸盘能够更好地吸附在高低不平、粗糙致密 不透气的基体表面上。
(4)本发明的短断口和长断口间隔布置，可以确保每一个 Y形叉的强度，同时， 也避免了因单片的强度不够而减少单片的数量所导致的吸附力不好的结果。
(5)密封件可以进一步增加真空腔的密闭性， 增强吸盘的吸附力， 而密封件与 吸盘体的边缘之间形成接触摩擦面， 能够同时保证有足够的真空吸附力及摩擦 力。
(6)环形粗糙部可增大吸附面与基体表面之间的摩擦力，进一步提高吸盘的吸 附力使其不易脱落。 (7)本发明的唇边可以进一步确保吸盘体与基体表面之间真空腔的气密性及 增大接触面积与吸附力。
(8)环形台阶可以增大骨架发生弹性形变的空间，由于骨架正面对应于上台阶 面的部位是一环形缺口， 因此在注塑时， 软胶材料在环形缺口处会稍厚一些，在 按压时， 此部位容易发生变形， 更能很好地适应高低粗糙基体表面。 附图说明
以下结合附图对本发明作进一步的详细说明。
图 1是本发明实施例 1的整体结构图；
图 2是本发明实施例 1吸盘体吸紧时的整体轴向剖视图；
图 3是本发明实施例 1的结构爆炸图；
图 4是本发明实施例 1骨架的结构图；
图 5是本发明实施例 3吸盘体吸附面的仰视图；
图 5-1是本发明实施例 3吸盘体吸紧前的轴向剖视图；
图 5-2是本发明实施例 3吸盘体吸紧时的轴向剖视图；
图 5-3是本发明实施例 2吸盘体吸紧前的轴向剖视图；
图 5-4是本发明实施例 2吸盘体吸紧时的轴向剖视图；
图 6是本发明实施例 4吸盘体吸附面的仰视图；
图 7是本发明实施例 5吸盘体吸附面的仰视图；
图 8是本发明实施例 6吸盘体吸附面的仰视图；
图 8-1是本发明实施例 7吸盘体吸附面的仰视图；
图 8-2是本发明实施例 8吸盘体吸附面的仰视图；
图 8-3是本发明实施例 9吸盘体吸附面的仰视图；
图 9是本发明实施例 2的整体结构图；
图 10是本发明实施例 2的结构爆炸图；
图 11是本发明实施例 2吸盘罩的仰视图；
图 12是沿图 11中 A-A线剖视图；
图 13是本发明实施例 10的整体结构图；
图 14是本发明实施例 10的结构爆炸图。 具体实施方式
实施例 1
如图 1~4所示， 是本发明一种平骨架真空吸盘， 包括平板骨架 1、 包覆在骨 架 1上的吸盘体 2、 设于骨架 1背面上并穿出吸盘体 2的连接杆 101、 套设在连 接杆 101上且罩覆在吸盘体 2背面上的帽形吸盘罩 3、 设于吸盘罩 3背面上并与 连接杆连接的顶压件， 在吸盘体 2的吸附面上设有密封件， 吸盘罩 3的内面上设 有用于触压吸盘体 2背面与密封件对应位置处的凸环，骨架 1 自中心部位延伸至 靠近吸盘体 2的边缘处。骨架 1的背面周缘上设有环形凸筋， 吸盘体 2的背面上 对应于环形凸筋的部位设有用于环形凸筋伸出的通孔，环形凸筋伸至通孔中而外 露在吸盘体的背面上， 环形凸筋的顶面与吸盘体的背面相平齐， 凸环与环形凸筋 的设置位置相对应，环形凸筋直接接受来自吸盘罩的按压作用力并通过凸环刚性 传力。 吸盘体 2贴合在基体 10表面上， 通过施力于顶压件拉动连接杆使吸盘体 发生变形， 吸盘体与基体 10表面之间形成真空腔 9， 外力通过吸盘罩上凸环刚 性传力至骨架 1上再作用于吸盘体 2上以反作用于吸盘体限制其变形，在其相互 作用下进而使吸盘紧紧吸附于基体 10表面上。
在本实施例中， 骨架 1的环形凸筋包括内环凸筋 122和外环凸筋 123， 外环 凸筋 123围括内环凸筋 122，外环凸筋的高度和内环凸筋的高度均是 1.0~2.0mm。 凸环包括围括吸盘罩 3内面中心部位的中心凸环 301、 用于触压内环凸筋 122的 内凸环 302和用于触压外环凸筋 123的外凸环 303，外凸环 303围括内凸环 302， 内凸环 302围括中心凸环 301， 内凸环 302与内环凸筋 122的设置位置相对应， 外凸环 303与外环凸筋 123的设置位置相对应，中心凸环对应于内环凸筋的内缘 与骨架和连接杆连接处之间的部位。通过施力于顶压件以拉动连接杆使吸盘体发 生变形， 同时外力通过吸盘罩上内凸环传力至内环凸筋、外凸环传力至外环凸筋 而刚性传力至吸盘体上以反作用于吸盘体限制其变形。
在本实施例中， 密封件为密封圈 16， 由 PU胶制成， 吸盘体 2与密封圈 16 一体成型， 密封圈 16的粘性大于吸盘体 2的粘性， 吸盘体 2的吸附面设有安装 槽， 密封圈安装在安装槽内， 密封圈 16围括吸盘体 2吸附面的中心部位， 且密 封圈 16突出于安装槽的槽口，密封圈 16与吸盘体 2的边缘之间形成接触摩擦面。 吸盘吸紧时， 吸盘罩上的中心凸环 301的外环面 301b处于密封圈 16的外侧面 4b的内侧。 吸盘在吸紧时， 密封件不被拉进或完全拉进中心凸环的内侧， 确保 了密封件与基体表面的密封接触， 避免了密封件与基体表面之间出现缝隙而漏 气， 保证了足够的真空吸附力。
骨架 1背面的周缘上还设有向骨架 1背面凸起的环形台阶 6， 环形台阶 6凸 起高度是 1.0~2.0mm， 内环凸筋 122由数个沿圆周分布的径向凸筋合围而成， 外 环凸筋 123位于环形台阶的上台阶面的边沿上，骨架 1上的径向凸筋位于环形台 阶 6的下台阶面上。骨架 1上设有沿其圆周分布的径向的断口， 断口分别截断外 环凸筋而使外环凸筋由数个凸起合围而成，凸起接受来自吸盘罩的作用力并通过 外凸环刚性传力。 断口包括短断口 7和长断口 8， 长断口 8自靠近骨架 1中心部 位的位置延伸至骨架 1的边沿，长断口 8的起始位置与骨架 1中心部位之间的距 离约为 8~15mm， 而短断口 7位于骨架 1的边缘上， 短断口 7长度为长断口 8长 度的 1/4~3/4， 且短断口处于环形台阶的上台阶面上， 短断口 7和长断口 8间隔 布置形成数个 Y形叉 102， 凸起位于 Y形叉的两开口端上。 连接杆与骨架的连 接部位设有加强筋 11， 加强筋 11沿圆周分布。 骨架上还设有注塑孔 121。
顶压件包括螺母套 51和挂钩 52， 连接杆为螺杆， 挂钩套于螺杆上并位于吸 盘罩背面与螺母套之间， 螺母与螺杆相适配， 吸盘体贴合在基体表面后， 通过向 下旋动螺母套以拉动螺杆使吸盘体发生变形。 吸盘罩的背面上设有定位孔 305， 挂钩 52上设有与定位孔 305相对应的定位柱 53， 定位柱插装在定位孔中将挂钩 定位在吸盘罩上。 吸盘体的周缘具有向外横向伸出的唇边 24， 唇边 24为薄状板 体， 吸盘罩的边沿 304顶压在唇边上。
本发明的工作原理是： 先将平骨架吸盘与基体表面贴合， 相互之间几乎没有 空气（近似处于真空状态） 。然后施加外力拉伸吸盘骨架连接杆使吸盘体发生变 形而在吸盘与基体表面之间形成负压真空腔， 外力则通过吸盘罩（不变形）的刚 性传力而传递到吸盘体上， 在吸盘罩上环形筋的传力及限制作用下， 由于吸盘与 基体表面之间的气密性而使外界空气进入不了上述真空腔， 吸盘体的形变受限， 在其相互作用下而使吸盘牢牢地吸附于基体表面上。即平骨架吸盘的吸盘罩不发 生形变， 通过刚性直接传力。
实施例 2
如图 5-3、 5-4、 9~12所示，本实施例与实施例 1的区别之处在于： 内凸环 302 是围绕中心凸环 301按圆周分布的径向凸筋，径向凸筋从中心凸环 301延伸至外 凸环 303， 中心凸环 301高于外凸环 303， 径向凸筋的顶面自中心凸环 301朝向 外凸环 303倾斜。
实施例 3
如图 5、 5-1、 5-2所示， 本实施例与实施例 2的区别之处在于： 密封件为位 于吸盘体 2吸附面的中心部位的密封垫 21， 密封垫 21与吸盘体的边缘之间形成 接触摩擦面 30， 吸盘吸紧时， 吸盘罩上的中心凸环 301的外环面 301b处于密封 垫 21的外侧面 4ba的内侧。
实施例 4
如图 6所示， 本实施例与实施例 2的区别之处在于： 密封件为两个不同环径 的密封圈 17、 18， 安装槽是与密封圈相对应的两个环形槽， 该两个环形槽从小 至大依次环套且合围吸盘体 2吸附面的中心部位， 最大环径的密封圈 18与吸盘 体 2的边缘之间形成接触摩擦面 30。
实施例 5
如图 7所示，本实施例与实施例 4的区别之处在于：密封件采用一个密封垫 19和一个密封圈 20， 密封垫 19位于吸盘体 2吸附面的中心部位， 用于安装密封 圈的环形槽为一个， 密封圈与环形槽相对应， 密封圈 20合围密封垫 19， 密封圈 20与吸盘体 2的边缘之间形成接触摩擦面 30。
实施例 6
如图 8所示， 本实施例与实施例 3的区别之处在于： 吸盘体 2的吸附面靠近 其边缘处设有环形的粗糙部 22，环形粗糙部 22与吸附面的边缘之间为光滑部 23， 在本实施例中， 环形粗糙部 22为一具有完整环面的粗糙环， 粗糙环的粗糙面为 蚀纹。
实施例 7
如图 8-1所示， 本实施例与实施例 6的区别之处在于： 环形粗糙部由多个粗 糙条 25沿圆周合围而成， 粗糙条 25的粗糙面为网纹， 粗糙条 25间隔设置， 且 粗糙条 25之间为光滑部 23。
实施例 8
如图 8-2所示， 本实施例与实施例 6的区别之处在于： 在吸盘体 2的吸附面 上设有围括吸附面中心部位的密封环 18， 环形粗糙部 22位于密封环 18的外围。 如图 8-3所示， 本实施例与实施例 7的区别之处在于： 在吸盘体 2的吸附面 上设有围括吸附面中心部位的密封环 18， 粗糙条 25位于密封环 18的外围。
实施例 10
如图 13、 14所示， 本实施例与实施例 3的区别之处在于： 顶压件 5与连接 杆 101通过轴销 54相铰接， 顶压件 5的连接端为凸轮状， 吸盘体贴合在基体表 面后，通过连接端的凸出部 501顶压在吸盘罩的背面上以拉动连接杆使吸盘体发 生变形。
在其它实施例中， 密封件采用密封圈时， 密封圈的数量根据具体实际情况而 定， 数个不同大小的环形槽从小至大依次环套且合围吸盘体吸附面的中心部位； 环形粗糙部的具体结构也具有其它实施方式，环形粗糙部的粗糙面还可以采用其 它纹路； 短断口长度为长断口长度的 1/4~3/4； 骨架的背面周缘上设有环形凸筋， 环形凸筋被包覆在吸盘体中， 凸环与环形凸筋的设置位置相对应， 环形凸筋通过 吸盘体接受来自吸盘罩的按压作用力； Y形叉的数量越多，整个骨架的强度越弱， 而 Y形叉的数量越少， 会影响吸盘的吸附力， 因此， 需要根据实际情况具体确 定 Y形叉的数量。
本发明的实施方式不限于此， 根据本发明的上述内容， 按照本领域的普通技 术知识和惯用手段， 在不脱离本发明上述基本技术思想前提下， 本发明还可以做 出其它多种形式的修改、 替换或变更， 均落在本发明权利保护范围之内。

Claims

权利 要求
1、 一种平骨架真空吸盘， 包括平板骨架、 包覆在骨架上的吸盘体、 设于骨架 背面上并穿出吸盘体的连接杆、 套设在连接杆上且罩覆在吸盘体背面上的帽状吸 盘罩、 设于吸盘罩背面上并与连接杆连接的顶压件， 其特征在于： 在所述吸盘体 的吸附面上设有密封件， 所述吸盘罩的内面上设有用于触压吸盘体背面与密封件 对应位置处的凸环。
2、 根据权利要求 1所述的平骨架真空吸盘， 其特征在于： 所述骨架的背面周 缘上设有环形凸筋， 所述吸盘体的背面上对应于环形凸筋的部位设有用于环形凸 筋伸出的通孔， 所述环形凸筋伸至所述通孔中而外露在所述吸盘体的背面上， 所 述凸环与环形凸筋的设置位置相对应， 所述环形凸筋直接接受来自吸盘罩的按压 作用力并通过凸环刚性传力。
3、 根据权利要求 2所述的平骨架真空吸盘， 其特征在于： 所述骨架的环形凸 筋包括内环凸筋和外环凸筋， 所述外环凸筋围括所述内环凸筋， 所述凸环包括用 于触压内环凸筋的内凸环和用于触压外环凸筋的外凸环， 所述外凸环围括所述内 凸环， 所述内凸环与所述内环凸筋的设置位置相对应， 所述外凸环与所述外环凸 筋的设置位置相对应， 通过施力于顶压件以拉动连接杆使吸盘体发生变形， 同时 外力通过吸盘罩上的内凸环传力至内环凸筋、 外凸环传力至外环凸筋而刚性传力 至吸盘体上以反作用于吸盘体限制其变形。
4、 根据权利要求 3所述的平骨架真空吸盘， 其特征在于： 在所述吸盘罩内面 上还设有围括吸盘罩内面中心部位的中心凸环， 所述内凸环围括所述中心凸环， 所述中心凸环对应于内环凸筋的内缘与所述骨架和连接杆连接处之间的部位。
5、 根据权利要求 4所述的平骨架真空吸盘， 其特征在于： 所述吸盘吸紧时， 所述吸盘罩上的中心凸环的外环面处于所述的密封件的外侧面的内侧。
6、 根据权利要求 5所述的平骨架真空吸盘， 其特征在于： 所述密封件突出于 所述吸盘体的吸附面， 所述密封件与吸盘体的边缘之间形成接触摩擦面。
7、 根据权利要求 6所述的平骨架真空吸盘， 其特征在于： 所述吸盘体的吸附 面设有安装槽， 所述密封件安装在安装槽内， 所述密封件突出于所述安装槽的槽 Π。
8、 根据权利要求 7所述的平骨架真空吸盘， 其特征在于： 所述密封件的粘性 大于所述吸盘体的粘性。
9、 根据权利要求 8所述的平骨架真空吸盘， 其特征在于： 所述密封件为密封 圈， 所述密封圈围括所述吸盘体吸附面的中心部位， 所述密封圈与所述吸盘体的 边缘之间形成所述的接触摩擦面。
10、 根据权利要求 9所述的平骨架真空吸盘， 其特征在于： 所述内凸环是围 绕中心凸环按圆周分布的径向凸筋， 所述径向凸筋从中心凸环延伸至所述外凸环， 所述中心凸环高于所述外凸环， 所述径向凸筋的顶面自所述中心凸环朝向外凸环 倾斜。
11、 根据权利要求 8所述的平骨架真空吸盘， 其特征在于： 所述密封件为位 于所述吸盘体吸附面的中心部位的密封垫， 所述密封垫与所述吸盘体的边缘之间 形成所述的接触摩擦面。
12、 根据权利要求 10或 11所述的平骨架真空吸盘， 其特征在于： 所述骨架背 面的周缘上还设有向骨架背面凸起的环形台阶， 所述内环凸筋由数个沿圆周分布 的径向凸筋合围而成， 所述外环凸筋位于所述环形台阶的上台阶面的边沿上， 所 述骨架上的径向凸筋位于所述环形台阶的下台阶面上。
13、 根据权利要求 12所述的平骨架真空吸盘， 其特征在于： 所述骨架上设有 沿其圆周分布的径向的断口， 所述断口分别截断外环凸筋而使外环凸筋由数个凸 起合围而成。
14、 根据权利要求 13所述的平骨架真空吸盘， 其特征在于： 所述断口包括短 断口和长断口， 所述长断口自靠近骨架中心部位的位置延伸至骨架的边沿， 而所 述短断口位于所述骨架的边缘上， 所述短断口长度为长断口长度的 1/4~3/4， 且所 述短断口处于所述环形台阶的上台阶面上， 所述短断口和长断口间隔布置形成数 个 Y形叉， 所述凸起位于 Y形叉的两开口端上。
15、 根据权利要求 14所述的平骨架真空吸盘， 其特征在于： 所述吸盘体的吸 附面靠近其边缘处设有环形的粗糙部， 所述环形粗糙部与吸附面的边缘之间为光 滑部。
16、 根据权利要求 15所述的平骨架真空吸盘， 其特征在于： 所述环形粗糙部 具有完整环面的粗糙环。
17、 根据权利要求 15所述的平骨架真空吸盘， 其特征在于： 所述环形粗糙部 由多个粗糙条沿圆周合围而成， 所述粗糙条间隔设置， 且所述粗糙条之间为光滑 部。
18、 根据权利要求 17所述的平骨架真空吸盘， 其特征在于： 所述顶压件包括 螺母套和挂钩， 所述连接杆为螺杆， 所述挂钩套于所述螺杆上并位于所述吸盘罩 背面与螺母套之间， 所述螺母与螺杆相适配， 吸盘体贴合在基体表面后， 通过向 下旋动螺母套以拉动螺杆使吸盘体发生变形。
19、 根据权利要求 17所述的平骨架真空吸盘， 其特征在于： 所述顶压件与连 接杆相铰接， 所述顶压件的连接端为凸轮状， 吸盘体贴合在基体表面后， 通过连 接端的凸出部顶压在吸盘罩的背面上以拉动连接杆使吸盘体发生变形。
20、 根据权利要求 18所述的平骨架真空吸盘， 其特征在于： 所述吸盘体的周 缘具有向外横向伸出的唇边， 所述唇边为薄状板体， 所述吸盘罩的边沿压在所述
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CN201320107297.2 2013-03-08
CN201320107438.0 2013-03-08
CN 201320107438 CN203214562U (zh) 2013-03-08 2013-03-08 一种新型平骨吸盘
CN201310075268.7 2013-03-08
CN201320108046.6 2013-03-08
CN201320554911.XU CN203516411U (zh) 2013-09-06 2013-09-06 一种新型吸盘
CN201310404140.0 2013-09-06
CN201310405292.2 2013-09-06
CN201320554911.X 2013-09-06
CN201310405292.2A CN103470612B (zh) 2013-03-08 2013-09-06 一种具有密封件的吸盘
CN2013104041400A CN103470611A (zh) 2013-09-06 2013-09-06 一种吸盘罩及吸盘
CN2013104041148A CN103470610A (zh) 2013-09-06 2013-09-06 一种带凸筋的吸盘罩及吸盘
CN201310404114.8 2013-09-06

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US20150240862A1 (en) 2015-08-27
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