WO2023160544A1 - 一种吸盘主体结构及采用该吸盘主体结构的真空吸盘 - Google Patents

一种吸盘主体结构及采用该吸盘主体结构的真空吸盘 Download PDF

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Publication number
WO2023160544A1
WO2023160544A1 PCT/CN2023/077420 CN2023077420W WO2023160544A1 WO 2023160544 A1 WO2023160544 A1 WO 2023160544A1 CN 2023077420 W CN2023077420 W CN 2023077420W WO 2023160544 A1 WO2023160544 A1 WO 2023160544A1
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WIPO (PCT)
Prior art keywords
sealing part
annular sealing
annular
adsorption
gravity
Prior art date
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PCT/CN2023/077420
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English (en)
French (fr)
Inventor
范赵荣
范赵暄
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范赵荣
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Publication of WO2023160544A1 publication Critical patent/WO2023160544A1/zh

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B66—HOISTING; LIFTING; HAULING
    • B66C—CRANES; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS, WINCHES, OR TACKLES
    • B66C1/00—Load-engaging elements or devices attached to lifting or lowering gear of cranes or adapted for connection therewith for transmitting lifting forces to articles or groups of articles
    • B66C1/02—Load-engaging elements or devices attached to lifting or lowering gear of cranes or adapted for connection therewith for transmitting lifting forces to articles or groups of articles by suction means
    • B66C1/0231—Special lip configurations
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B66—HOISTING; LIFTING; HAULING
    • B66C—CRANES; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS, WINCHES, OR TACKLES
    • B66C1/00—Load-engaging elements or devices attached to lifting or lowering gear of cranes or adapted for connection therewith for transmitting lifting forces to articles or groups of articles
    • B66C1/02—Load-engaging elements or devices attached to lifting or lowering gear of cranes or adapted for connection therewith for transmitting lifting forces to articles or groups of articles by suction means
    • B66C1/0218—Safety measures, e.g. sensors, duplicate functions
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B66—HOISTING; LIFTING; HAULING
    • B66C—CRANES; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS, WINCHES, OR TACKLES
    • B66C1/00—Load-engaging elements or devices attached to lifting or lowering gear of cranes or adapted for connection therewith for transmitting lifting forces to articles or groups of articles
    • B66C1/02—Load-engaging elements or devices attached to lifting or lowering gear of cranes or adapted for connection therewith for transmitting lifting forces to articles or groups of articles by suction means
    • B66C1/0225—Hand held
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B66—HOISTING; LIFTING; HAULING
    • B66C—CRANES; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS, WINCHES, OR TACKLES
    • B66C1/00—Load-engaging elements or devices attached to lifting or lowering gear of cranes or adapted for connection therewith for transmitting lifting forces to articles or groups of articles
    • B66C1/02—Load-engaging elements or devices attached to lifting or lowering gear of cranes or adapted for connection therewith for transmitting lifting forces to articles or groups of articles by suction means
    • B66C1/0293—Single lifting units; Only one suction cup

Definitions

  • the invention relates to the field of vacuum suction cups, in particular to a main body structure of a suction cup and a vacuum suction cup using the main structure of the suction cup.
  • vacuum suction cups are widely used in the adsorption and grasping of ceramic tiles, rock slabs, marble, astringent stones, steel plates, glass and other materials, so they are often used in installation and maintenance construction.
  • the space between the disc and the material is drawn into a negative pressure space to realize the adsorption and grasping of the material.
  • the existing vacuum suction cups have the following defects: first, they can only absorb smooth flat materials well, and are not suitable for grasping panel materials such as rough surfaces, pitted surfaces, concave-convex surfaces, and curved surfaces, and their application range is limited; When the side of the suction cup is applied vertically, the suction cup and the material are prone to slippage, and the risk of falling off is extremely high; third, the rubber disk is easy to fall off instantly after accidentally touching the rubber disk when absorbing the concave-convex or rough surface during construction, which poses a great safety hazard. Hidden danger.
  • the present invention provides a suction cup main structure and a vacuum suction cup using the suction cup main structure, which can not only be better applicable to the adsorption and grasping of various surface materials, but also have a relatively strong adsorption force on materials. Well, construction safety is greatly improved.
  • a main body structure of a suction cup including a main keel, and a rubber disc connected to the main keel, one side of the rubber disc is an adsorption surface, the middle part of the adsorption surface is a plane, and the edge is an outwardly inclined inclined surface, and the end of the inclined surface forms a Adsorption tray, the middle part of the slope is provided with a first annular sealing part, the peripheral side of the plane is provided with a second annular sealing part spaced from the first annular sealing part, and the bottom side of the second annular sealing part is Corrugated surface, the vertical distance from the bottom of the first annular sealing part to the opening of the adsorption tray is not less than the vertical distance from the bottom of the second annular sealing part to the opening of the adsorption tray;
  • the first annular sealing part and the rubber disc are integrally formed, and its material is EPDM rubber, and the material of the second annular sealing part is silica gel or memory rubber;
  • the first annular sealing part includes at least two rings of sealing protrusions arranged in sequence;
  • the plane inside the second annular sealing part is provided with an air suction port.
  • the space surrounded by the second annular sealing part, the adsorption surface and the object to be sucked can be sucked into a negative position through the air suction port under the action of external force. pressure space.
  • the main structure of the suction cup of this application is applied to a vacuum suction cup.
  • the first annular sealing part and the second annular sealing part form two seals, combining the two seals
  • Material selection and position height settings have obtained two effective seals, which can be applied to effective adsorption and grasping of various materials such as flat surfaces, slippery surfaces, rough surfaces, pitted surfaces, concave-convex surfaces, and curved surfaces, which greatly improves
  • it is more suitable for adsorption and grasping of the concave-convex height below 5mm.
  • the vertical distance from the bottom of the first annular sealing part to the opening of the adsorption tray is no less than the vertical distance from the bottom of the second annular sealing part to the opening of the adsorption tray, so that the space between the two seals can be effectively Negative pressure can be drawn, and then the sealing effect of the first annular sealing part can be effectively brought into play.
  • the first annular sealing part is set in the middle of the slope instead of the edge, and the combination of the edge slope can have better sealing and adsorption function, and it is not easy to affect the adsorption effect of the suction cup on the material due to touch.
  • the bottom side of the second annular sealing part is a corrugated surface, which is conducive to quickly absorbing and sealing the concave and convex surface, and exerts a better adsorption effect.
  • the horizontal and vertical The adsorption can reach about 180 kg, and the lateral adsorption can reach about 130 kg.
  • the main keel is ring-shaped, specifically circular or elliptical, etc., and there are inner ring-shaped gravity seals on both sides of the second ring-shaped sealing part that are integrally formed with the rubber disc on the plane.
  • the section of the sealing part and the outer annular gravity sealing part, the inner annular gravity sealing part and the outer annular gravity sealing part are similar to an inverted triangle structure, and the vertical distance from the bottom of the inner annular gravity sealing part to the opening of the adsorption disk is greater than that of the bottom of the outer annular gravity sealing part
  • the vertical distance from the bottom of the outer annular gravity seal to the mouth of the adsorption tray is not less than the vertical distance from the bottom of the first annular seal to the mouth of the adsorption tray.
  • the inner annular gravity seal and the second annular seal Corresponds to the position of the outer ring gravity seal and the main keel;
  • the cooperating arrangement of the inner ring gravity seal part, the outer ring gravity seal part and the second ring seal part can solve the problem of slippage caused by the suction cup and the material at an inclined or vertical angle, which greatly improves the safety of construction.
  • On the surface it can be suitable for adsorption and grasping of materials with a concave-convex height below 5mm;
  • the bottom side is the second ring-shaped sealing part of the corrugated surface, which is organically combined with two gravity ring-shaped sealing lines, which is easy to achieve fast and smooth sealing of concave-convex surfaces, and can maintain Better adsorption force; when the three are facing the main keel, the adsorption effect is better, and it is less likely to slip.
  • the vertical distance from the bottom of the inner annular gravity sealing part and the outer annular gravity sealing part to the opening of the adsorption tray is greater than the vertical distance from the bottom of the second annular sealing part to the opening of the adsorption tray, which can improve the adsorption and grasping effect, and Further better solve the problem of suction cup slippage in the construction process.
  • a seal buffer groove is provided on the planes close to the inner side of the inner annular gravity sealing part and the outer side of the outer annular gravity sealing part, which is beneficial to exert the better adsorption effect of the two gravity sealing lines and the second annular sealing part.
  • the horizontal and vertical adsorption can reach about 320 kg, and the lateral adsorption can reach about 260 kg. Without the above-mentioned technical features, it will be slightly less than this burden value.
  • the material of the first annular sealing part, the inner annular gravity sealing part, the outer annular gravity sealing part and the rubber disc is 50-degree EPDM rubber
  • the material of the second annular sealing part is 10-degree silicone or
  • the 80-degree memory rubber, so set can exert the relatively excellent sealing effect of the first annular sealing part and the second annular sealing part, obtain an unexpected adsorption effect, and significantly improve the adsorption force.
  • the second annular sealing part is detachably connected to the adsorption surface, and the first A first rubber magnet ring is bonded to the two annular sealing parts, and a second rubber magnet ring cooperating and attracting with the first rubber magnet ring is bonded to the adsorption surface, wherein pressure-sensitive adhesive is used for bonding.
  • a limited locking groove is formed on the adsorption surface corresponding to the second annular sealing part to engage the second annular sealing part, which can further realize the fixing of the second annular sealing part and prevent it from falling off.
  • the air suction port includes an air hole opened on the rubber disc, and a filter cotton that blocks the air hole; a film integrally formed with the rubber disc is provided in the air hole on the top side of the filter cotton, and a film is provided on the film.
  • Arc-shaped incision or cross-shaped incision to form an invisible air suction port which is conducive to non-return air flow and blocking dust; specifically, part of the film is lifted upward under the action of air flow during air extraction, so as to ensure smooth air extraction, and it can also be used in a certain Block dust to a certain extent; after the exhaust is completed, the lifted film returns to its original position.
  • the film Since the film is attached to the filter cotton, it prevents the airflow from returning to the negative pressure space, thereby avoiding the pressure release of the negative pressure space and ensuring the pressure stability of the negative pressure space Sex, thus ensuring the stability of the adsorption and grasping material.
  • a ball with a diameter smaller than the diameter of the air hole is provided in the air hole above the film, specifically, but not limited to, a steel ball can be used; the ball floats and rolls when pumping air, which does not affect the air pumping; after the air pumping is completed, the ball sinks Pressing the film can better check the airflow. Specifically, without using balls, it lasts for about 2 hours under better adsorption force; with balls, it can last for about 9 hours.
  • the arc-shaped cutout is a semicircular cutout, which simultaneously achieves better airflow check effect and dust blocking effect.
  • grooves are provided on the adsorption surface corresponding to the air holes, and filter cotton is embedded in the grooves, so that it is convenient to replace the filter cotton, thereby ensuring smooth air extraction during use.
  • the included angle between the slope and the vertical direction is 60 degrees.
  • the present application also provides a vacuum suction cup, comprising the main structure of the suction cup in any of the above examples, and a handle structure fixed to the main keel against the suction surface, the handle structure includes a front seat and a rear seat fixed to the main keel, the The front seat and the rear seat are provided with handles, and the front part of the handle is provided with a pressure release switch;
  • the suction surface is also provided with a pressure gauge ventilation hole communicating with the negative pressure space.
  • a pressure gauge fixed to the main structure of the suction cup is provided at the rear left side of the handle structure. Covering, you can easily read the value of the pressure gauge.
  • the pressure gauge is located on the main structure of the suction cup between 40-70 degrees to the left rear of the central axis of the handle, the optimal position.
  • the pressure gauge is a luminous pressure gauge, which is convenient for construction in the dark or at night.
  • the indications of the pressure gauge are divided into red background color indication area, yellow background color indication area and green background color indication area in descending order, and the negative pressure in the red background color indication area is 0
  • the area between -20Pa is a severe danger prohibited construction area
  • the negative pressure in the yellow background color display area is between 20-35Pa is a danger warning stop construction area
  • the negative pressure in the green background color display area is between 35-100Pa is safe Recommended for construction areas. With such setting, the construction is safer.
  • the glue disc can be configured as a circular disc or an elliptical disc, but not limited thereto.
  • the present invention adopts above-mentioned structure, and the advantage that it has is:
  • the main structure of the suction cup of this application is applied to a vacuum suction cup.
  • the first annular sealing part and the second annular sealing part form two seals, combining the two
  • the choice of sealing material and the setting of the position height have obtained two effective seals, which can be applied to the effective adsorption and grasping of various materials such as flat surfaces, slippery surfaces, rough surfaces, pockmarked surfaces, concave-convex surfaces, and curved surfaces. It improves the safety during construction.
  • For the concave-convex surface it is more suitable for adsorption and grasping of the concave-convex height below 5mm.
  • the vertical distance from the bottom of the first annular sealing part to the opening of the adsorption tray is no less than the vertical distance from the bottom of the second annular sealing part to the opening of the adsorption tray, so that the space between the two seals can be effectively Negative pressure can be drawn, and then the sealing effect of the first annular sealing part can be effectively brought into play.
  • the first annular sealing part is set in the middle of the slope instead of the edge, and the combination of the edge slope can have better sealing and adsorption function, and it is not easy to affect the adsorption effect of the suction cup on the material due to touch.
  • the bottom side of the second annular sealing part is a corrugated surface, which is conducive to quickly absorbing and sealing the concave and convex surface, and exerts a better adsorption effect.
  • the horizontal and vertical The adsorption can reach about 180 kg, and the lateral adsorption can reach about 130 kg.
  • the cooperating arrangement of the inner ring gravity seal part, the outer ring gravity seal part and the second ring seal part can solve the slippage problem of the suction cup and the material at an inclined or vertical angle, which greatly improves the safety of construction.
  • the concave-convex surface it can be suitable for adsorption and grasping of materials with a concave-convex height below 5mm.
  • the bottom side is the second annular sealing part of the corrugated surface, which is organically combined with two gravity annular sealing lines, which is easy to achieve fast and smooth sealing of the concave-convex surface. It can maintain a good adsorption force; when the three are facing the main keel, the adsorption effect is better, and it is less likely to slip.
  • a sealing buffer groove is provided on the plane close to the inner side of the inner annular gravity sealing part and the outer side of the outer annular gravity sealing part, which is beneficial to exert the better adsorption effect of the two gravity sealing lines and the second annular sealing part.
  • the horizontal and vertical adsorption can reach about 320 kg, and the lateral adsorption can reach about 260 kg. Without the above technical features, it will be slightly less than this burden value.
  • the setting of the invisible air suction port is beneficial to the non-return air flow and to block the dust; specifically, when the air is pumped, part of the film is lifted upwards under the action of the air flow, so as to ensure smooth suction and also block the dust to a certain extent; after the suction is completed Finally, the lifted film returns to its original position. Since the film is attached to the filter cotton, it prevents the airflow from returning to the negative pressure space, thereby avoiding the pressure release of the negative pressure space and ensuring the pressure stability of the negative pressure space, thus ensuring the adsorption and grabbing of materials. stability;
  • a ball with a diameter smaller than the diameter of the air hole is set in the air hole above the film.
  • the ball floats and rolls without affecting the air pumping; after the air pumping is completed, the ball sinks and presses the film, which can better check the airflow. Without balls, it can last for about 2 hours under better adsorption force; with balls, it can last for about 9 hours.
  • the filter cotton is embedded for easy replacement.
  • the electric vacuum suction cup provided by this application has a pressure gauge on it, which is convenient for reading; the display is divided into design forms, and the construction is safer.
  • Fig. 1 is a schematic cross-sectional structural view of the main structure of the suction cup according to one embodiment of the present invention
  • Fig. 2 is a zoomed bottom view of the second annular sealing part in Fig. 1;
  • FIG. 3 is a schematic cross-sectional structural view of the main structure of the suction cup according to another embodiment of the present invention.
  • Fig. 4 is a schematic diagram of the enlarged structure of part A in Fig. 3;
  • Fig. 5 is the structure schematic diagram of part B enlarged structure pumping process in Fig. 3;
  • Fig. 6 is another structural schematic diagram of Fig. 5;
  • Fig. 7 is the bottom view of the non-working state after removing the filter cotton in Fig. 5;
  • Fig. 8 is a schematic structural view of a vacuum chuck according to one embodiment of the present invention.
  • Fig. 9 is a schematic structural diagram of a vacuum chuck according to another embodiment of the present invention.
  • the main body structure of the suction cup includes a main keel 11 and a rubber disc 12 connected to the main keel 11, one side of the rubber disc 12 is an adsorption surface, and the The middle part is a flat surface 121, and the edge is an outwardly inclined inclined surface 122. The end of the inclined surface forms an adsorption disk opening 125.
  • the second annular sealing portion 14 separated by the sealing portion 13, the bottom side of the second annular sealing portion 14 is a corrugated surface, the The vertical distance from the bottom of the first annular sealing part 13 to the suction disk opening 125 is not less than the vertical distance from the bottom of the second annular sealing part 14 to the suction disk opening 125;
  • the top of the second annular sealing portion 14 is set lower than the top of the first annular sealing portion 13;
  • the first annular sealing part 13 and the rubber disc 12 are integrally formed, and its material is EPDM rubber, and the material of the second annular sealing part 14 is silica gel or memory rubber;
  • the first annular sealing portion 13 includes at least two rings of sealing protrusions arranged in sequence;
  • the plane inside the second annular sealing part 14 is provided with an air suction port 15.
  • the second annular sealing part 14, the adsorption surface and the object to be sucked can be surrounded by the second annular sealing part 14, the adsorption surface and the object to be sucked through the air suction port 15 under the action of an external force.
  • the space is pumped into a negative pressure space.
  • the main structure of the suction cup of this application is applied to a vacuum suction cup.
  • the first annular sealing part 13 and the second annular sealing part 14 form two seals.
  • the selection of two sealing materials and the setting of the position height have obtained two effective seals, which can be applied to the effective adsorption and grasping of various materials such as flat surfaces, slippery surfaces, rough surfaces, pitted surfaces, concave-convex surfaces, and curved surfaces. It improves the safety during construction.
  • For the concave-convex surface it is more suitable for adsorption and grasping of the concave-convex height below 5mm.
  • the vertical distance from the bottom of the first annular sealing part 13 to the suction disk opening 125 is not less than the vertical distance from the bottom of the second annular sealing part 14 to the suction disk opening 125, so that the gap between the two seals
  • the space in the space can be effectively pumped negative pressure, and then can effectively exert the sealing function of the first annular sealing part 13, if the vertical distance from the bottom of the first annular sealing part 13 to the suction disk opening 125 is smaller than the bottom of the second annular sealing part 14 to
  • the vertical distance of the suction disc mouth 125 will make it difficult to draw a negative pressure in the space between the two, and then it will be difficult to effectively exert the sealing effect of the first annular sealing part 13;
  • the first annular sealing part 13 is arranged in the middle of the slope instead of the edge , which combined with the edge slope can have a better sealing and adsorption effect, and it is not easy to affect the adsorption effect of the suction cup on the material due to touching.
  • the main keel 11 is set to be ring-shaped, specifically, it can be circular or elliptical, and the two sides of the second ring-shaped sealing part 14 are respectively integrated with the rubber disc on the plane.
  • the formed inner ring gravity seal part 16 and outer ring gravity seal part 17, the cross section of the inner ring gravity seal part 16 and the outer ring gravity seal part 17 is a similar inverted triangle structure, the bottom of the inner ring gravity seal part 16 reaches the adsorption tray opening 125
  • the vertical distance is greater than the vertical distance from the bottom of the outer annular gravity sealing part 17 to the suction tray opening 125, and the vertical distance from the bottom of the outer annular gravity sealing part 17 to the adsorption tray opening 125 is not less than the bottom of the first annular sealing part 13 to the adsorption tray
  • the vertical distance of the mouth 125, the inner annular gravity sealing part 16, the second annular gravity sealing part 14 and the outer annular gravity sealing part 17 correspond to the position of the main keel 11; wherein, the inner annular gravity sealing part 16 and the outer annular gravity sealing part 17 and the first
  • the coordinated setting of the two ring-shaped sealing parts 14 can solve the problem of slippage between the suction cup and the material at an inclined or
  • the uneven surface it can be suitable for materials with a height of less than 5m.
  • Adsorption and grabbing; the bottom side is the second annular sealing part 14 of the corrugated surface, which is organically and physically combined with two gravity annular sealing lines, which is easy to realize fast and smooth sealing of concave and convex surfaces, and can maintain good adsorption force; the three and the main keel 11
  • the adsorption effect is better when it is aligned, and it is less likely to slip.
  • the glue disc can be but not limited to be configured as a circular disc or an elliptical disc structure.
  • the preferred embodiment is as follows, the vertical distance from the bottom of the inner ring gravity seal part 16 and the outer ring gravity seal part 17 to the suction disk opening 125 is greater than the vertical distance from the bottom of the second ring seal part 14 to the suction disk opening 125, The adsorption and grasping effect can be improved to further better solve the problem of sucker slippage during the construction process.
  • a sealing buffer groove 126 is provided on the plane close to the inner side of the inner annular gravity sealing part 16 and the outer side of the outer annular gravity sealing part 17, which is beneficial to play two gravity sealing lines and the second annular sealing part 14.
  • a sealing buffer groove 126 is provided on the plane close to the inner side of the inner annular gravity sealing part 16 and the outer side of the outer annular gravity sealing part 17, which is beneficial to play two gravity sealing lines and the second annular sealing part 14.
  • the material of the first annular sealing part 13, the inner annular gravity sealing part 16, the outer annular gravity sealing part 17 and the rubber disc 12 is 50 degree EPDM rubber
  • the material of 14 is 10-degree silica gel or 80-degree memory rubber, so that the excellent sealing effect of the first annular sealing part 13 and the second annular sealing part 14 can be brought into play, an unexpected adsorption effect is obtained, and the adsorption force is significantly improved.
  • the second annular A first rubber magnet ring 18 is bonded to the bottom of the sealing portion 14, and a second rubber magnet ring 19 cooperating and attracting with the first rubber magnet ring 18 is bonded to the adsorption surface, wherein pressure-sensitive adhesive is used for bonding.
  • a limit locking groove 123 is also formed on the adsorption surface corresponding to the second annular sealing portion 14, so as to engage the second annular sealing portion 14, which can further realize the fixing of the second annular sealing portion 14 and prevent it from falling off. .
  • the air suction port 15 includes an air hole 151 opened on the rubber disc 12, and a filter cotton 152 that blocks the air hole 151; the air hole at the bottom of the filter cotton 152 151 is provided with a film 153 integrally formed with the rubber disc 12, and the film 153 is provided with an arc-shaped incision 1531 or a cross-shaped incision to form an invisible air suction port, which is conducive to non-return air flow and blocking dust; specifically, Part of the film is lifted upwards under the action of the airflow during pumping, thereby ensuring smooth pumping, and can also block dust to a certain extent; after the pumping is completed, the lifted film returns to its original position.
  • the airflow returns to the negative pressure space, thereby avoiding the pressure release of the negative pressure space, ensuring the pressure stability of the negative pressure space, thereby ensuring the stability of the adsorption and grasping material.
  • the arc-shaped cutout 1531 is a semi-circular cutout, and at the same time achieves better airflow check effect and dust-blocking effect.
  • a preferred embodiment is as follows, a groove 124 is opened on the adsorption surface corresponding to the air hole 151, and a filter cotton 152 is embedded in the groove 124, so that it is convenient to replace the filter cotton 152, thereby ensuring smooth air extraction during use.
  • the air hole above the film 153 is provided with a ball 154 with a diameter smaller than the air hole diameter, specifically, but not limited to, steel balls are used; the ball 154 floats and rolls when pumping air, and does not affect the air pumping; After the pumping is completed, the ball 154 sinks and presses down on the film 153, enabling a better non-return air flow. Specifically, if the ball 154 is not used, it can last for about 2 hours under better adsorption force; if the ball 154 is used, it can last for about 9 hours.
  • the included angle between the slope 122 and the vertical direction is 60 degrees.
  • the present application also provides a vacuum suction cup, including the suction cup main structure 1 of any of the above-mentioned embodiments, and a handle structure 2 fixed to the main keel with its back facing the suction surface
  • the handle structure 2 includes a front seat 21 and a rear seat 22 fixed to the main keel 1, and a handle 23 is erected on the front seat 21 and the rear seat 22, and a pressure relief switch 24 is provided at the front of the handle 23; the adsorption
  • the surface is also provided with a pressure gauge vent connected to the negative pressure space, and the pressure gauge vent can also be set as an invisible vent.
  • the left rear of the handle structure 2 is provided with a pressure gauge 3 fixed to the main structure of the suction cup for use
  • the diameter of the pressure gauge 3 is 25mm. With such setting, the pressure gauge 3 is not easily blocked, and the value of the pressure gauge can be read conveniently.
  • the pressure gauge 3 is located on the main structure of the suction cup at a position 40-70 degrees behind the central axis of the handle 23 .
  • the pressure gauge 3 is a luminous pressure gauge, which is convenient for construction in the dark or at night.
  • the pressure gauge can be set as follows.
  • the indications of the pressure gauge 3 are divided into red background color indication area, yellow background color indication area and green background color indication area from small to large.
  • the negative pressure in the red background color display area is between 0-20Pa, which is a severe danger prohibiting construction area
  • the negative pressure in the yellow background color display area is between 20-35Pa, which is a danger warning stop construction area
  • green The negative pressure in the background color display area is between 35-100Pa, which is a safety recommended construction area.
  • the main structure of the suction cup or the vacuum suction cup in the above embodiments can be applied to a manual suction cup or an electric suction cup.

Abstract

一种吸盘主体结构及采用该吸盘主体结构的真空吸盘。该吸盘主体结构包括主龙骨（11）和与主龙骨（11）相连的胶盘（12），胶盘（12）的一面为吸附面，吸附面的中部为平面（121），边缘为向外倾斜的斜面（122），斜面（122）的末端形成吸附盘口（125），斜面（122）的中部设有第一环形密封部（13），平面（121）的边缘设有与第一环形密封部（13）间隔的第二环形密封部（14），第二环形密封部（14）的底侧为波纹面，吸附面的平面上还设有位于第二环形密封部（14）两侧分别与胶盘（12）一体成型的内环形重力密封部（16）和外环形重力密封部（17）。通过在胶盘的吸附面设置相配合的第一环形密封部和底侧为波纹面的第二环形密封部，使用时可以形成两道有效密封，不仅适用于多种面材的吸附抓取，而且对材料的吸附力较好，提高了施工安全性；通过设置与第二环形密封部配合的内环形重力密封部和外环形重力密封部，易实现凹凸面快速顺利密封，又能保持更为优异的吸附效果，能够解决吸盘与待吸附物之间存在的滑移问题。

Description

一种吸盘主体结构及采用该吸盘主体结构的真空吸盘 技术领域
本发明涉及真空吸盘领域，尤其涉及一种吸盘主体结构及采用该吸盘主体结构的真空吸盘。
背景技术
目前，真空吸盘广泛适用于瓷砖、岩板、大理石、涩石、钢板、玻璃等材料的吸附抓取，因而常被应用于安装维修施工中，使用时将真空吸盘扣在材料上，吸盘的胶盘和材料之间被抽成负压空间以实现对材料的吸附抓取。现有真空吸盘存在以下缺陷：其一，仅能较好的吸附光滑平面材料，不适用于毛面、麻面、凹凸面、弧面等面板材料的抓取，使用范围有限；其二，真空吸盘侧面垂直用力时，吸盘与材料极易产生滑移，脱落风险极大；其三，施工中在吸附凹凸面或毛面时不小心触碰到胶盘后易瞬间脱落，存在极大的安全隐患。
发明内容
本发明为了弥补现有技术的不足，提供了一种吸盘主体结构及采用该吸盘主体结构的真空吸盘，不仅能够较好的适用于多种面材的吸附抓取，而且对材料的吸附力较好，极大地提高了施工安全性。
本发明为解决上述技术问题所采用的技术方案是：
一种吸盘主体结构，包括主龙骨，和与主龙骨相连的胶盘，所述胶盘的一面为吸附面，所述吸附面的中部为平面，边缘为向外倾斜的斜面，斜面的末端形成吸附盘口，所述斜面的中部设有第一环形密封部，所述平面的周侧设有与第一环形密封部间隔的第二环形密封部，所述第二环形密封部的底侧为波纹面，所述第一环形密封部的底部到吸附盘口的垂直距离不小于所述第二环形密封部的底部到吸附盘口的垂直距离；
所述第一环形密封部和所述胶盘一体成型，其材质为三元乙丙橡胶，所述第二环形密封部的材质为硅胶或记忆橡胶；
所述第一环形密封部至少包括两圈依次设置的密封凸部；
所述第二环形密封部内的平面上设有抽气口部，在吸附待吸物时，于外力作用下能够经过抽气口部将第二环形密封部、吸附面和待吸物围成的空间抽为负压空间。
本申请吸盘主体结构，应用于真空吸盘上，在利用其吸附材料时，经抽气口部抽成负压空间后，第一环形密封部和第二环形密封部形成两道密封，结合两道密封材质选择和位置高度等设置，获得了两道有效密封，从而可以适用于平面、滑面、毛面、麻面、凹凸面、弧面等多种不同材料的有效吸附抓取，极大的提高了施工时的安全性，对于凹凸面来说，比较适合于5mm以下凹凸高度吸附抓取。
具体的，所述第一环形密封部的底部到吸附盘口的垂直距离不小于所述第二环形密封部的底部到吸附盘口的垂直距离，可以使得两道密封之间的空间能够有效被抽负压，进而可以有效发挥第一环形密封部的密封作用，若第一环形密封部的底部到吸附盘口的垂直距离小于第二环形密封部的底部到吸附盘口的垂直距离，将难以使两者之间的空间被抽负压，进而就难以有效发挥第一环形密封部的密封效果；第一环形密封部设置在斜面中部而非边缘，其结合边缘斜面可以具有更好的密封吸附作用，且也不易因触碰影响吸盘对材料的吸附效果，其中第二环形密封部的底侧为波纹面，利于迅速吸附密封凹凸面，发挥较好的吸附效果，具体的吸附时，水平垂直吸附可以达到180公斤左右，侧向吸附可以达到130公斤左右。
在一个示例中，由于施工过程中，常常需要将被吸附材料调整为倾斜或竖直角度，因此存在吸盘与材料极易产生滑移的问题，为了解决这个问题，进行如下设置：其中，所述主龙骨设为环状，具体的可以为圆环形或椭圆环形等，在平面上设有位于第二环形密封部两侧分别与胶盘一体成型的内环形重力密 封部和外环形重力密封部，内环形重力密封部和外环形重力密封部的截面为类倒三角结构，内环形重力密封部的底部到吸附盘口的垂直距离大于外环形重力密封部的底部到吸附盘口的垂直距离，外环形重力密封部的底部到吸附盘口的垂直距离不小于第一环形密封部的底部到吸附盘口的垂直距离，内环形重力密封部、第二环形密封部和外环形重力密封部与主龙骨位置对应；
内环形重力密封部和外环形重力密封部与第二环形密封部的配合设置，可以解决倾斜或竖直角度下吸盘和材料产生的滑移问题，极大的提高了施工的安全性，对于凹凸面来说，可以适合5mm以下凹凸高度的材料吸附抓取；底侧为波纹面的第二环形密封部，与两道重力环形密封线有机物理结合，易实现凹凸面快速顺利密封，又能保持较好的吸附力；三者与主龙骨正对时吸附效果更好，更不易滑移。
优选的，所述内环形重力密封部和外环形重力密封部的底部到吸附盘口的垂直距离均大于第二环形密封部的底部到吸附盘口的垂直距离，可以提高吸附抓取效果，以进一步较好的解决施工过程中吸盘滑移问题。
在一个示例中，紧靠内环形重力密封部内侧和外环形重力密封部外侧的平面上分别开设有一密封缓冲槽，利于发挥两道重力密封线和第二环形密封部较好的吸附效果。具体的吸附时，可以实现水平垂直吸附可以达到320公斤左右，侧向吸附可以达到260公斤左右。而无上述技术特征会略小于这个负担数值。
在一个示例中，第一环形密封部、内环形重力密封部、外环形重力密封部和胶盘的材质为50度三元乙丙橡胶，所述第二环形密封部的材质为10度硅胶或80度记忆橡胶，如此设置，可以发挥第一环形密封部和第二环形密封部比较优异的密封效果,得到了意想不到的吸附效果，吸附力显著提高。
在一个示例中，在不影响吸附抓取效果的前提下，即保证密封效果前提，为了便于第二环形密封部的更换维护，所述第二环形密封部与吸附面可拆连接，所述第二环形密封部上粘接有第一橡胶磁铁圈，所述吸附面上粘接有与第一橡胶磁铁圈配合相吸的第二橡胶磁铁圈，其中，采用压敏胶粘结。
在一个示例中，对应第二环形密封部的吸附面上还形成有限位卡槽，以卡接第二环形密封部，可以更进一步实现对第二环形密封部的固定，不易使其脱落。
在一个示例中，所述抽气口部包括开设于胶盘上的气孔，和遮挡气孔的过滤棉；所述过滤棉顶侧气孔中设有与胶盘一体成型的胶片，所述胶片上设有弧形切口或十字形切口，以形成隐形抽气口，如此设置，利于止回气流和阻挡灰尘；具体的，抽气时部分胶片在气流作用下向上掀起，从而保证顺利抽气，也可以在一定程度上阻挡灰尘；在抽气完成后，掀起的胶片恢复原位，由于胶片贴着过滤棉设置，阻止气流回到负压空间，从而避免负压空间泄压，保证了负压空间的压力稳定性，从而保证了吸附抓取材料的稳定性。
优选的，所述胶片上方的气孔中设有直径小于气孔直径的滚珠，具体的可以但不局限于采用钢珠；抽气时滚珠漂浮滚动，不影响抽气；在抽气完成后，滚珠下沉压住胶片，能够更好的止回气流，具体的，不采用滚珠，较好吸附力下持续至2h左右；采用滚珠可以持续至9h左右。
优选的，所述弧形切口为半圆切口，同时实现较好的气流止回效果和阻挡灰尘效果。
优选的，所述吸附面上对应气孔处开设有凹槽，凹槽内设嵌设有过滤棉，如此设置，方便更换过滤棉，从而保证使用时顺利抽气。
在一个示例中，所述斜面与竖直方向的夹角为60度。
本申请还提供了一种真空吸盘，包括上述任一示例的吸盘主体结构，和背对吸附面与主龙骨固定的把手结构，所述把手结构包括与主龙骨固定的前座和后座，所述前座和后座上架设有手柄，所述手柄的前部设有泄压开关；
所述吸附面还设有与负压空间连通的压力表通气孔，所述把手结构的左侧后方设有与吸盘主体结构固定的压力表，压力表直径为25mm，如此设置，压力表不易被遮挡，可以方便的读取压力表数值。
优选的，所述压力表处于手柄中轴线左后40-70度之间位置的吸盘主体结构上，最优位置。
优选的，所述压力表为夜光压力表，方便天暗或晚上施工。
在一个示例中，所述压力表的示数从小到大依次划分为红色底色示数区、黄色底色示数区和绿色底色示数区，红色底色示数区的负压在0-20Pa之间为重度危险禁止施工区，黄色底色示数区的负压在20-35Pa之间为危险警告停止施工区，绿色底色示数区的负压在35-100Pa之间为安全建议施工区。如此设置，施工更加安全。
在一个示例中，胶盘可以但不局限于设置为圆形盘或椭圆形盘结构。
本发明采用上述结构，所具有的优点是：
1、本申请吸盘主体结构，应用于真空吸盘上，在利用其吸附材料时，经抽气口部抽成负压空间后，第一环形密封部和第二环形密封部形成两道密封，结合两道密封材质选择和位置高度设置，获得了两道有效密封，从而可以适用于平面、滑面、毛面、麻面、凹凸面、弧面等多种不同材料的有效吸附抓取，极大的提高了施工时的安全性，对于凹凸面来说，比较适合于5mm以下凹凸高度吸附抓取。
具体的，所述第一环形密封部的底部到吸附盘口的垂直距离不小于所述第二环形密封部的底部到吸附盘口的垂直距离，可以使得两道密封之间的空间能够有效被抽负压，进而可以有效发挥第一环形密封部的密封作用，若第一环形密封部的底部到吸附盘口的垂直距离小于第二环形密封部的底部到吸附盘口的垂直距离，将难以使两者之间的空间被抽负压，进而就难以有效发挥第一环形密封部的密封效果；第一环形密封部设置在斜面中部而非边缘，其结合边缘斜面可以具有更好的密封吸附作用，且也不易因触碰影响吸盘对材料的吸附效果，其中第二环形密封部的底侧为波纹面，利于迅速吸附密封凹凸面，发挥较好的吸附效果，具体的吸附时，水平垂直吸附可以达到180公斤左右，侧向吸附可以达到130公斤左右。
2、内环形重力密封部和外环形重力密封部与第二环形密封部的配合设置，可以解决倾斜或竖直角度下吸盘和材料产生的滑移问题，极大的提高了施工的安全性，对于凹凸面来说，可以适合5mm以下凹凸高度的材料吸附抓取，底侧为波纹面的第二环形密封部，与两道重力环形密封线有机物理结合，易实现凹凸面快速顺利密封，又能保持较好的吸附力；三者与主龙骨正对时吸附效果更好，更不易滑移。
进一步的，紧靠内环形重力密封部内侧和外环形重力密封部外侧的平面上分别开设有一密封缓冲槽，利于发挥两道重力密封线和第二环形密封部较好的吸附效果。具体的吸附时，可以实现水平垂直吸附可以达到320公斤左右，侧向吸附可以达到260公斤左右，无上述技术特征会略小于这个负担数值。
3、有效利用结合第一环形密封部和第二环形密封部的材料度数，以发挥优异的吸附密封性能。
4、通过两个橡胶磁铁圈，在保证吸附密封效果前提下，解决了第二环形密封部更换维护问题，限位卡槽的设置，进一步提高了第二环形密封部固定性。
5、隐形抽气口的设置，利于止回气流和阻挡灰尘；具体的，抽气时部分胶片在气流作用下向上掀起，从而保证顺利抽气，也可以在一定程度上阻挡灰尘；在抽气完成后，掀起的胶片恢复原位，由于胶片贴着过滤棉设置，阻止气流回到负压空间，从而避免负压空间泄压，保证了负压空间的压力稳定性，从而保证了吸附抓取材料的稳定性；
在胶片上方的气孔中设置直径小于气孔直径的滚珠，抽气时滚珠漂浮滚动，不影响抽气；在抽气完成后，滚珠下沉压住胶片，能够更好的止回气流，具体的，不采用滚珠，较好吸附力下持续至2h左右；采用滚珠可以持续至9h左右。
过滤棉嵌设设置，方便更换。
6.本申请提供的电动形式的真空吸盘，其上压力表的设置位置，方便示数读取；示数划分设计形式，施工更加安全。
附图说明
图1为本发明其中一实施例吸盘主体结构的剖视结构示意图；
图2为图1中第二环形密封部缩放后的底面视图；
图3为本发明另一实施例吸盘主体结构的剖视结构示意图；
图4为图3中A部放大结构示意图；
图5为图3中B部放大结构抽气过程结构示意图；
图6为图5的另一种结构示意图；
图7为图5去掉过滤棉后的非工作状态仰视图；
图8为本发明其中一实施例真空吸盘的结构示意图；
图9为本发明另一实施例真空吸盘的结构示意图。
图中，1、吸盘主体结构，2、把手结构，3、压力表；
11、主龙骨，12、胶盘，13、第一环形密封部，14、第二环形密封部，15、抽气口部，16、内环形重力密封部，17、外环形重力密封部，18、第一橡胶磁铁圈，19、第二橡胶磁铁圈，121、平面，122、斜面，123、限位卡槽，124、凹槽，125、吸附盘口，126、密封缓冲槽，151、气孔，152、过滤棉，153、胶片，154、滚珠，1531、弧形切口；
21、前座，22、后座，23、手柄，24、泄压开关。
具体实施方式
为能清楚说明本方案的技术特点，下面通过具体实施方式，并结合其附图，对本发明进行详细阐述。在下面的描述中阐述了很多具体细节以便于充分理解本申请，但是，本申请还可以采用其他不同于在此描述的其他方式来实施，因此，本申请的保护范围并不受下面公开的具体实施例的限制。
如图1-2所示，本实施例中，该吸盘主体结构，包括主龙骨11，和与主龙骨11相连的胶盘12，所述胶盘12的一面为吸附面，所述吸附面的中部为平面121，边缘为向外倾斜的斜面122，斜面的末端形成吸附盘口125，所述斜面122的中部设有第一环形密封部13，所述平面121的边缘设有与第一环形密封部13间隔的第二环形密封部14，所述第二环形密封部14的底侧为波纹面，所述 第一环形密封部13的底部到吸附盘口125的垂直距离不小于所述第二环形密封部14的底部到吸附盘口125的垂直距离；
所述第二环形密封部14的顶部低于所述第一环形密封部13的顶部设置；
所述第一环形密封部13和所述胶盘12一体成型，其材质为三元乙丙橡胶，所述第二环形密封部14的材质为硅胶或记忆橡胶；
所述第一环形密封部13至少包括两圈依次设置的密封凸部；
所述第二环形密封部14内的平面上设有抽气口部15，在吸附待吸物时，于外力作用下能够经过抽气口部15将第二环形密封部14、吸附面和待吸物围成的空间抽为负压空间。
本申请吸盘主体结构，应用于真空吸盘上，在利用其吸附材料时，经抽气口部15抽成负压空间后，第一环形密封部13和第二环形密封部14形成两道密封，结合两道密封材质选择和位置高度设置，获得了两道有效密封，从而可以适用于平面、滑面、毛面、麻面、凹凸面、弧面等多种不同材料的有效吸附抓取，极大的提高了施工时的安全性，对于凹凸面来说，比较适合于5mm以下凹凸高度吸附抓取。具体的，所述第一环形密封部13的底部到吸附盘口125的垂直距离不小于所述第二环形密封部14的底部到吸附盘口125的垂直距离，，可以使得两道密封之间的空间能够有效被抽负压，进而可以有效发挥第一环形密封部13的密封作用，若第一环形密封部13的底部到吸附盘口125的垂直距离小于第二环形密封部14的底部到吸附盘口125的垂直距离，将难以使两者之间的空间被抽负压，进而就难以有效发挥第一环形密封部13的密封效果；第一环形密封部13设置在斜面中部而非边缘，其结合边缘斜面可以具有更好的密封吸附作用，且也不易因触碰影响吸盘对材料的吸附效果，其中第二环形密封部14的底侧为波纹面，利于迅速吸附密封凹凸面，发挥较好的吸附效果，具体的吸附时，水平垂直吸附可以达到180公斤左右，侧向吸附可以达到130公斤左右。
如图3-4所示，在一个具体的实施例中，由于施工过程中，常常需要将被吸附材料调整为倾斜或竖直角度，因此存在吸盘与材料极易产生滑移的问题，为了解决这个问题，进行如下设置：其中，所述主龙骨11设为环状，具体的可以为圆环形或椭圆环形等，在平面上设有位于第二环形密封部14两侧分别与胶盘一体成型的内环形重力密封部16和外环形重力密封部17，内环形重力密封部16和外环形重力密封部17的截面为类倒三角结构，内环形重力密封部16的底部到吸附盘口125的垂直距离大于外环形重力密封部17的底部到吸附盘口125的垂直距离，外环形重力密封部17的底部到吸附盘口125的垂直距离不小于第一环形密封部13的底部到吸附盘口125的垂直距离，内环形重力密封部16、第二环形密封部14和外环形重力密封部17与主龙骨11位置对应；其中，内环形重力密封部16和外环形重力密封部17与第二环形密封部14的配合设置，可以解决倾斜或竖直角度下吸盘和材料产生的滑移问题，极大的提高了施工的安全性，对于凹凸面来说，可以适合5m以下凹凸高度的材料吸附抓取；底侧为波纹面的第二环形密封部14，与两道重力环形密封线有机物理结合，易实现凹凸面快速顺利密封，又能保持较好的吸附力；三者与主龙骨11正对时吸附效果更好，更不易滑移。
如图8或9，胶盘可以但不局限于设置为圆形盘或椭圆形盘结构。
进一步的，优选实施例如下，内环形重力密封部16和外环形重力密封部17的底部到吸附盘口125的垂直距离均大于第二环形密封部14的底部到吸附盘口125的垂直距离，可以提高吸附抓取效果，以进一步较好的解决施工过程中吸盘滑移问题。
进一步的，优选实施例如下，紧靠内环形重力密封部16内侧和外环形重力密封部17外侧的平面上分别开设有一密封缓冲槽126，利于发挥两道重力密封线和第二环形密封部14较好的吸附效果。具体的吸附时，可以实现水平垂直吸附可以达到320公斤左右，侧向吸附可以达到260公斤左右。而无上述技术特征会略小于这个负担数值。
在一个具体的实施例中，第一环形密封部13、内环形重力密封部16、外环形重力密封部17和胶盘12的材质为50度三元乙丙橡胶，所述第二环形密封部14的材质为10度硅胶或80度记忆橡胶，如此设置，可以发挥第一环形密封部13和第二环形密封部14比较优异的密封效果,得到了意想不到的吸附效果，吸附力显著提高。
如图1或3所示，在一个具体的实施例中，在不影响吸附抓取效果的前提下，即保证密封效果前提，为了便于第二环形密封部14的更换维护，所述第二环形密封部14的底部粘接有第一橡胶磁铁圈18，所述吸附面上粘接有与第一橡胶磁铁圈18配合相吸的第二橡胶磁铁圈19，其中，采用压敏胶粘结。
进一步的，对应第二环形密封部14的吸附面上还形成有限位卡槽123，以卡接第二环形密封部14，可以更进一步实现对第二环形密封部14的固定，不易使其脱落。
如图5-7所示，在一个具体的实施例中，所述抽气口部15包括开设于胶盘12上的气孔151，和遮挡气孔151的过滤棉152；所述过滤棉152底部的气孔151中设有与胶盘12一体成型的胶片153，所述胶片153上设有弧形切口1531或十字形切口，以形成隐形抽气口，如此设置，利于止回气流和阻挡灰尘；具体的，抽气时部分胶片在气流作用下向上掀起，从而保证顺利抽气，也可以在一定程度上阻挡灰尘；在抽气完成后，掀起的胶片恢复原位，由于胶片贴着过滤棉152设置，阻止气流回到负压空间，从而避免负压空间泄压，保证了负压空间的压力稳定性，从而保证了吸附抓取材料的稳定性。
进一步的，优选实施例如下，所述弧形切口1531为半圆切口，同时实现较好的气流止回效果和阻挡灰尘效果。
进一步的，优选实施例如下，吸附面上对应气孔151处开设有凹槽124，凹槽124内设嵌设有过滤棉152，如此设置，方便更换过滤棉152，从而保证使用时顺利抽气。
进一步的，优选实施例如下，所述胶片153上方的气孔中设有直径小于气孔直径的滚珠154，具体的可以但不局限于采用钢珠；抽气时滚珠154漂浮滚动，不影响抽气；在抽气完成后，滚珠154下沉压住胶片153，能够更好的止回气流，具体的，不采用滚珠154，较好吸附力下持续至2h左右；采用滚珠154可以持续至9h左右。
在一个具体的实施例中，所述斜面122与竖直方向的夹角为60度。
如图8所示，在一个具体的实施例中，本申请还提供了一种真空吸盘，包括上述任一实施例的吸盘主体结构1，和背对吸附面与主龙骨固定的把手结构2，所述把手结构2包括与主龙骨1固定的前座21和后座22，所述前座21和后座22上架设有手柄23，所述手柄23的前部设有泄压开关24；所述吸附面还设有与负压空间连通的压力表通气孔，压力表通气孔也可以设置为隐形气孔，所述把手结构2的左侧后方设有与吸盘主体结构固定的压力表3，以用于测量负压空间的压力值，压力表3直径为25mm，如此设置，压力表3不易被遮挡，可以方便的读取压力表数值。
进一步的，优选实施例如下，所述压力表3处于手柄23中轴线左后40-70度位置的吸盘主体结构上。
进一步的，优选实施例如下，所述压力表3为夜光压力表，方便天暗或晚上施工。
进一步的，优选实施例如下，为了施工安全，可以将压力表进行如下设置，所述压力表3的示数从小到大依次划分为红色底色示数区、黄色底色示数区和绿色底色示数区，红色底色示数区的负压在0—20Pa之间为重度危险禁止施工区，黄色底色示数区的负压在20-35Pa之间为危险警告停止施工区，绿色底色示数区的负压在35-100Pa之间为安全建议施工区。
以上实施例中的吸盘主体结构或真空吸盘，即可以应用在手动吸盘上，还可以应用在电动吸盘上。
上述具体实施方式不能作为对本发明保护范围的限制，对于本领域技术领域的技术人员来说，对本发明实施方式所做出的任何替代改进或变换均落在本发明的保护范围内。本发明未详述之处，均为本技术领域技术人员公知技术。

Claims (10)

  1. 一种吸盘主体结构，其特征在于，包括主龙骨，和与主龙骨相连的胶盘，所述胶盘的一面为吸附面，所述吸附面的中部为平面，边缘为向外倾斜的斜面，斜面的末端形成吸附盘口，所述斜面的中部设有第一环形密封部，所述平面的周侧设有与第一环形密封部间隔的第二环形密封部，所述第二环形密封部的底侧为波纹面，所述第一环形密封部的底部到吸附盘口的垂直距离不小于所述第二环形密封部的底部到吸附盘口的垂直距离；
    所述第一环形密封部和所述胶盘一体成型，其材质为三元乙丙橡胶，所述第二环形密封部的材质为硅胶或记忆橡胶；
    所述第一环形密封部至少包括两圈依次设置的密封凸部；
    所述第二环形密封部内的平面上设有抽气口部，在吸附待吸物时，于外力作用下能够经过抽气口部将第二环形密封部、吸附面和待吸物围成的空间抽为负压空间。
  2. 根据权利要求1所述的吸盘主体结构，其特征在于，所述主龙骨为环状，所述吸附面的平面上还设有位于第二环形密封部两侧分别与胶盘一体成型的内环形重力密封部和外环形重力密封部，内环形重力密封部和外环形重力密封部的截面为类倒三角结构，内环形重力密封部的底部到吸附盘口的垂直距离大于外环形密封部的底部到吸附盘口的垂直距离，外环形密封部的底部到吸附盘口的垂直距离不小于第一环形密封部的底部到吸附盘口的垂直距离，内环形重力密封部、第二环形密封部和外环形重力密封部与主龙骨位置对应；
    优选的，所述内环形重力密封部和外环形重力密封部的底部到吸附盘口的垂直距离均大于第二环形密封部的底部到吸附盘口的垂直距离。
  3. 根据权利要求2所述的吸盘主体结构，其特征在于，紧靠内环形重力密封部内侧和外环形重力密封部外侧的平面上分别开设有一密封缓冲槽。
  4. 根据权利要求2所述的吸盘主体结构，其特征在于，第一环形密封部、内环形重力密封部、外环形重力密封部和胶盘的材质为50度三元乙丙橡胶，所述第二环形密封部的材质为10度硅胶或80度记忆橡胶。
  5. 根据权利要求1-4任一项所述的吸盘主体结构，其特征在于，所述第二环形密封部与吸附面可拆连接，所述第二环形密封部上粘接有第一橡胶磁铁圈，所述吸附面上粘接有与第一橡胶磁铁圈配合相吸的第二橡胶磁铁圈。
  6. 根据权利要求5所述的吸盘主体结构，其特征在于，对应第二环形密封部的吸附面上还形成有限位卡槽，以卡接第二环形密封部。
  7. 根据权利要求1所述的吸盘主体结构，其特征在于，所述抽气口部包括开设于胶盘上的气孔，和遮挡气孔的过滤棉；
    所述过滤棉顶侧气孔中设有与胶盘一体成型的胶片，所述胶片上设有弧形切口或十字形切口，以形成隐形抽气口；
    优选的，所述胶片上方的气孔中设有直径小于气孔直径的滚珠；
    优选的，所述吸附面上对应气孔处开设有凹槽，凹槽内设嵌设有过滤棉。
  8. 根据权利要求1所述的吸盘主体结构，其特征在于，所述斜面与竖直方向的夹角为60度。
  9. 一种真空吸盘，其特征在于，包括权利要求1-4任一项所述的吸盘主体结构，和背对吸附面与主龙骨固定的把手结构，所述把手结构包括与主龙骨固定的前座和后座，所述前座和后座上架设有手柄，所述手柄的前部设有泄压开关；
    所述吸附面还设有与负压空间连通的压力表通气孔，所述把手结构的左侧后方设有与吸盘主体结构固定的压力表；
    优选的，压力表处于手柄中轴线左后40-70度之间位置的吸盘主体结构上；
    优选的，所述压力表为夜光压力表。
  10. 根据权利要求9所述的真空吸盘，其特征在于，所述压力表的示数从小到大依次划分为红色底色示数区、黄色底色示数区和绿色底色示数区，红色 底色示数区的负压在0—20Pa之间为重度危险禁止施工区，黄色底色示数区的负压在20-35Pa之间为危险警告停止施工区，绿色底色示数区的负压在35-100Pa之间为安全建议施工区。
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