CN111140587A - Sucking disc and sucking disc couple - Google Patents
Sucking disc and sucking disc couple Download PDFInfo
- Publication number
- CN111140587A CN111140587A CN202010035504.2A CN202010035504A CN111140587A CN 111140587 A CN111140587 A CN 111140587A CN 202010035504 A CN202010035504 A CN 202010035504A CN 111140587 A CN111140587 A CN 111140587A
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- suction cup
- suction
- adsorption
- annular protrusion
- piston
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- 238000001179 sorption measurement Methods 0.000 claims abstract description 179
- 210000000988 bone and bone Anatomy 0.000 claims description 50
- 238000001746 injection moulding Methods 0.000 claims description 25
- 238000005086 pumping Methods 0.000 claims description 16
- 239000000463 material Substances 0.000 claims description 9
- 238000010521 absorption reaction Methods 0.000 claims description 7
- 230000003014 reinforcing effect Effects 0.000 claims description 7
- 238000009434 installation Methods 0.000 abstract description 17
- 230000003746 surface roughness Effects 0.000 abstract description 5
- 238000004519 manufacturing process Methods 0.000 description 14
- 238000012360 testing method Methods 0.000 description 11
- 238000000605 extraction Methods 0.000 description 9
- 239000003292 glue Substances 0.000 description 7
- 238000009864 tensile test Methods 0.000 description 7
- 230000000694 effects Effects 0.000 description 6
- 230000005484 gravity Effects 0.000 description 6
- 239000010985 leather Substances 0.000 description 6
- 239000012634 fragment Substances 0.000 description 5
- 238000000034 method Methods 0.000 description 5
- 238000000465 moulding Methods 0.000 description 5
- 239000004033 plastic Substances 0.000 description 5
- 229920003023 plastic Polymers 0.000 description 5
- 238000002474 experimental method Methods 0.000 description 3
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 2
- 239000000741 silica gel Substances 0.000 description 2
- 229910002027 silica gel Inorganic materials 0.000 description 2
- 239000000853 adhesive Substances 0.000 description 1
- 230000001070 adhesive effect Effects 0.000 description 1
- 239000003463 adsorbent Substances 0.000 description 1
- 238000013459 approach Methods 0.000 description 1
- 238000005034 decoration Methods 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000011521 glass Substances 0.000 description 1
- 238000002347 injection Methods 0.000 description 1
- 239000007924 injection Substances 0.000 description 1
- 230000035515 penetration Effects 0.000 description 1
- 230000002787 reinforcement Effects 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
- 239000003351 stiffener Substances 0.000 description 1
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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
-
- A—HUMAN NECESSITIES
- A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
- A47G—HOUSEHOLD OR TABLE EQUIPMENT
- A47G29/00—Supports, holders, or containers for household use, not provided for in groups A47G1/00-A47G27/00 or A47G33/00
- A47G29/087—Devices for fastening household utensils, or the like, to tables, walls, or the like
-
- 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
- F16B47/003—Suction cups for attaching purposes; Equivalent means using adhesives using adhesives for attaching purposes
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Hooks, Suction Cups, And Attachment By Adhesive Means (AREA)
Abstract
The invention discloses a sucker and a sucker hook, comprising: the sucker main body is provided with an adsorption surface which is contacted with a surface to be installed, and the adsorption surface is approximately planar; the air suction channel is arranged in the sucker main body, and an inlet of the air suction channel is positioned on the adsorption surface; when the air exhaust channel is vacuumized, the adsorption surface can generate a plurality of adsorption cavities according to the surface state of the surface to be installed, and the sucker main body is stably connected with the surface to be installed through the adsorption cavities. The sucker and the sucker hook with the structure can be suitable for the installation surface to be installed with high surface roughness and air holes, and have wide application range.
Description
Technical Field
The invention relates to the technical field of sucker hooks, in particular to a sucker and a sucker hook.
Background
In daily life and work, people often need to hang articles temporarily so as to save space, and therefore hooks are needed. The existing hooks are generally divided into two types, one type is an adhesive hook, and the other type is a sucker hook. The suction cup hooks in the prior art are provided with suction cups, each suction cup is provided with a concave cavity, the suction cup hooks are fixed on a surface to be installed by exhausting air between the concave cavity and the surface to be installed, if the roughness of the surface to be installed is higher, a small gap is easy to exist between each suction cup and the surface to be installed, air can slowly enter the concave cavity through the gap, and finally the suction cups fall off; if the to-be-installed surface has the micro air holes, the micro air holes are easy to conduct the concave cavity with the outside, and the sucking disc cannot be installed on the to-be-installed surface at the moment; it can be seen from the above that the sucker hook in the prior art can only be applied to the surface to be installed with low roughness and no air holes, and the application occasion is limited.
Disclosure of Invention
The invention aims to solve at least one technical problem in the prior art, and provides a sucker and a sucker hook, which can be suitable for most use scenes.
According to a first aspect of the present invention, there is provided a suction cup comprising:
the sucker main body is provided with an adsorption surface which is contacted with a surface to be installed, and the adsorption surface is approximately planar;
the air suction channel is arranged in the sucker main body, and an inlet of the air suction channel is positioned on the adsorption surface; when the air exhaust channel is vacuumized, the adsorption surface can generate a plurality of adsorption cavities according to the surface state of the surface to be installed, and the sucker main body is stably connected with the surface to be installed through the adsorption cavities. According to the technical scheme, the air exhaust channel is vacuumized, air between the adsorption surface and the surface to be installed enters the air exhaust channel from the inlet and is then exhausted, the adsorption surface is closely attached to the surface to be installed, along with continuous air exhaust, a plurality of tiny adsorption cavities are randomly generated on the adsorption surface according to the surface condition of the surface to be installed, the sucker main body is firmly adsorbed on the surface to be installed by utilizing a large number of tiny adsorption cavities, and at the moment, even if the air pressure of the air exhaust channel is equal to the external atmospheric pressure, the connection between the adsorption surface and the surface to be installed cannot be affected; therefore, the sucker with the structure can be suitable for the mounting surface to be mounted with high surface roughness and air holes, and has a wide application range.
According to some embodiments of the invention, the total area of the adsorption surface is S1, the area of the adsorption surface after removing the inlet of the air exhaust channel is S2, and S2/S1 is more than or equal to 40%. Experimental tests show that when the tensile force is less than or equal to 40% and less than or equal to S2/S1, the tensile force is rapidly increased along with the increase of the numerical value of S2/S1, so that the tensile force is preferably more than or equal to 40% of S2/S1.
According to some embodiments of the invention, S2/S1 ≦ 99.5%. Since the values of S2/S1 cannot be equal to 1 due to the presence of the bleed passage inlet, and the values of the tensile forces tested in the tests do not vary much after the values of S2/S1 are greater than 99.5%, it is preferable to set the maximum value of S2/S1 to 99.5%, i.e., S2/S1 is equal to or less than 99.5%.
According to some embodiments of the invention, the suction surface is circular; the round adsorption surface can make the adsorption surface evenly adsorbed on the surface to be installed.
According to some embodiments of the invention, the adsorption face has a diameter of 30mm to 150 mm. When the diameter of the adsorption surface is less than 30mm, the adsorption force of the sucker main body is limited, and when the diameter of the adsorption surface exceeds 150mm, the adsorption force is not changed greatly, so that the cost performance is better when the diameter of the adsorption surface is 30mm-150 mm.
According to some embodiments of the invention, the suction surface is elliptical; when the adsorption surface is oval, the length direction of the adsorption surface is placed along the gravity direction, the highest position of the adsorption surface is separated from the mounting surface most easily when the sucker main body works, the length of the adsorption surface in the gravity direction can be increased, the highest position of the adsorption surface can be slowed down, the mounting surface is separated from the mounting surface most easily, and the bearing capacity of the sucker main body can be improved.
According to some embodiments of the invention, the long axis dimension of the adsorption surface is a, the short axis dimension of the adsorption surface is b, 60mm & lt a & lt 170mm, and 20mm & lt b & lt 169 mm. The adsorption surface with the size has better cost performance.
According to some embodiments of the invention, the air exhaust assembly further comprises a piston and an operating rod, the piston is matched with the inner side wall of the air exhaust channel, one end of the operating rod is connected with the piston, and the other end of the operating rod extends out of the air exhaust channel. The piston is driven to reciprocate in the air exhaust channel by controlling the operating rod, so that air in the air exhaust channel is exhausted, and a user can conveniently install the sucker main body.
According to some embodiments of the invention, a third annular protrusion is arranged on an inner side wall of the air exhaust channel, one end of the operating rod penetrates through the third annular protrusion to be in threaded connection with the piston, an end cover is arranged at the other end of the operating rod, a spring is arranged between the third annular protrusion and the end cover, and a one-way valve is arranged on the piston. When the piston is close to the inlet of the air extraction channel, the one-way valve is opened, otherwise, the one-way valve is closed, and the reciprocating operation is repeated for many times, so that the air between the sucker main body and the surface to be installed can be exhausted, the vacuum degree in the air extraction channel can be improved by repeatedly exhausting, and the air between the adsorption surface and the surface to be installed can be exhausted to the maximum extent.
According to some embodiments of the invention, a third annular protrusion is arranged on the inner side wall of the air exhaust channel, one end of the operating rod penetrates through the third annular protrusion to be in threaded connection with the piston, an end cover is arranged at the other end of the operating rod, a spring is arranged between the third annular protrusion and the end cover, and a leather cup is arranged at the edge of the piston and used for being matched with the inner side wall of the air exhaust channel. In the process that the piston is close to the air exhaust passage entry, can supply the air to pass through between the inside wall of leather cup and air exhaust passage, otherwise, the air can not pass through between the inside wall of leather cup and air exhaust passage, so reciprocal many times, can with the sucking disc main part with treat that the air discharge between the installation face, the exhaust is repeated and can be improved the vacuum in the air exhaust passage, at utmost with the adsorption plane with treat the air discharge between the installation face.
According to some embodiments of the invention, the suction cup main body comprises an adsorption layer and a skeleton, the adsorption surface is located at one end of the adsorption layer, the skeleton and the adsorption layer are integrally formed through injection molding, the skeleton is partially located in the adsorption layer, and the air exhaust channel is arranged in the skeleton. According to the technical scheme, the adsorption layer is manufactured by injection molding on the framework, so that the production efficiency is high, the existing equipment can be fully utilized for production, and the production cost can be reduced; simultaneously, the skeleton provides sufficient rigidity for the sucking disc layer, and the skeleton can form good connection through moulding plastics integrated into one piece with the adsorbed layer.
According to some embodiments of the present invention, the frame includes a tubular column, and the outer sidewall of the column is provided with a ring-shaped bone plate, the bone plate is located in the adsorption layer, and the pumping channel penetrates through the column. The framework of the structure is reasonable in structure, the framework and the adsorption layer can be well combined together, the connection is firm and reliable, and the framework of the structure is convenient to produce and manufacture.
According to some embodiments of the invention, the bone fragments are circular. The annular bone pieces can provide uniform support for the adsorption layer, so that the whole adsorption layer is uniformly stressed.
According to some embodiments of the invention, the bone flap has notches at its edges. The breach can supply to glue to pass through when moulding plastics, and can make adsorbed layer and bone piece be connected more closely.
According to some embodiments of the invention, the bone plate is provided with a plurality of first hole locations or first slots. The first hole site can be used for glue to pass through during injection molding, and the adsorption layer and the bone slices can be connected more tightly; the first slot position can make the adsorbed layer and the bone piece be connected more closely.
According to some embodiments of the invention, the bone flap is distal to the cylindrical portion, the distal end of the bone flap extending at least partially beyond a midline of the suction surface. The bone pieces are arranged around the cylindrical part and are annular, the straight line passing through the center of the cylindrical part is taken as the center of a circle, the part of the straight line falling onto the adsorption surface through the center of the circle is called a line segment, the middle points of the countless line segments are connected to form the middle line of the adsorption surface, at least part of the far end of the bone piece extends to the outside of the middle line of the adsorption surface, the structural strength of the adsorption surface can be ensured, the edge position uncovered by the bone piece has stronger elasticity and is easier to deform, so that the part can be attached to the to-be-installed surface more tightly, and the bone piece is.
According to some embodiments of the invention, a first stiffener is disposed between the bone fragment and the cylindrical portion; in order to reinforce the structural strength of the bone flap.
According to some embodiments of the invention, the bone plate is provided with a plurality of protruding positioning posts. After the bone piece is placed in the mould, fix a position through reference column and the contact of mould inside wall, prevent to advance to glue and lead to bone piece beat, the quality of guarantee moulding plastics.
According to some embodiments of the invention, the air exhaust assembly further comprises a piston and an operating rod, the piston is matched with the inner side wall of the air exhaust channel, one end of the operating rod is connected with the piston, and the other end of the operating rod extends out of the air exhaust channel. The piston is driven to reciprocate in the air exhaust channel by controlling the operating rod, so that air in the air exhaust channel is exhausted, and a user can conveniently install the sucker main body.
According to some embodiments of the invention, a third annular protrusion is arranged on an inner side wall of the air exhaust channel, one end of the operating rod penetrates through the third annular protrusion to be in threaded connection with the piston, an end cover is arranged at the other end of the operating rod, a spring is arranged between the third annular protrusion and the end cover, and a one-way valve is arranged on the piston. When the piston is close to the inlet of the air extraction channel, the one-way valve is opened, otherwise, the one-way valve is closed, and the reciprocating operation is repeated for many times, so that the air between the sucker main body and the surface to be installed can be exhausted, the vacuum degree in the air extraction channel can be improved by repeatedly exhausting, and the air between the adsorption surface and the surface to be installed can be exhausted to the maximum extent.
According to some embodiments of the invention, a third annular protrusion is arranged on the inner side wall of the air exhaust channel, one end of the operating rod penetrates through the third annular protrusion to be in threaded connection with the piston, an end cover is arranged at the other end of the operating rod, a spring is arranged between the third annular protrusion and the end cover, and a leather cup is arranged at the edge of the piston and used for being matched with the inner side wall of the air exhaust channel. In the process that the piston is close to the air exhaust passage entry, can supply the air to pass through between the inside wall of leather cup and air exhaust passage, otherwise, the air can not pass through between the inside wall of leather cup and air exhaust passage, so reciprocal many times, can with the sucking disc main part with treat that the air discharge between the installation face, the exhaust is repeated and can be improved the vacuum in the air exhaust passage, at utmost with the adsorption plane with treat the air discharge between the installation face.
According to some embodiments of the invention, the sucker body comprises a sucker cover and an adsorption layer, the sucker cover is internally provided with an installation position, the adsorption layer is positioned in the installation position, and the end surface of the adsorption layer far away from the bottom of the installation position is the adsorption surface. The sucking disc lid in the sucking disc main part of above-mentioned structure both can be used for installing the adsorbed layer, can also regard as dress trim cover to use when in-service use, and simple structure is ingenious.
According to some embodiments of the invention, the bottom of the mounting location is substantially planar; the flatness of the adsorption surface after injection molding can be greatly improved.
According to some embodiments of the invention, the bottom of the mounting location is substantially conical in shape. When the cone angle is close to 180 degrees, the conical surface is approximately planar, and the flatness of the adsorption surface after injection molding can be ensured.
According to some embodiments of the invention, the bottom of the mounting location is provided with a second, relatively protruding reinforcing rib. The second reinforcing rib can strengthen the connection strength between the sucker cover and the adsorption layer.
According to some embodiments of the invention, the bottom of the mounting location is provided with a second hole location or a second slot location. The second slot position of the second hole position can enhance the connection strength between the sucker cover and the adsorption layer.
According to some embodiments of the invention, the adsorption layer and the sucker cover are integrally formed through injection molding, so that the sealing performance between the sucker cover and the adsorption layer can be ensured, and the connection strength between the sucker cover and the adsorption layer can be improved.
According to some embodiments of the invention, the bottom of the mounting location is provided with a second, relatively protruding reinforcing rib. The second reinforcing rib can strengthen the connection strength between the sucker cover and the adsorption layer.
According to some embodiments of the invention, the bottom of the mounting location is provided with a second hole location or a second slot location. The second slot position of the second hole position can enhance the connection strength between the sucker cover and the adsorption layer.
According to some embodiments of the invention, the suction layer and the suction cup cover are separately manufactured and then assembled together. So production divides the labour to be more refined, can promote the efficiency of moulding plastics of adsorbed layer.
According to some embodiments of the invention, the sucker cover comprises a bottom plate, a first annular bulge is arranged on the bottom plate in a protruding mode, a through hole is formed in the bottom plate corresponding to the area surrounded by the first annular bulge, the first annular bulge and the through hole form the air suction channel, and the mounting position is located on the bottom plate on the outer side of the first annular bulge. The sucker cover with the structure has the advantages of simple structure, mass production through injection molding and low manufacturing cost.
According to some embodiments of the invention, the base plate is further provided with a second annular projection, the first annular projection is located within the second annular projection, and the mounting location is located on the base plate between the first annular projection and the second annular projection. The bellied lateral wall of second annular is connected with adsorbed layer lateral wall, has increased the connection area of sucking disc lid and adsorbed layer, promotes joint strength between the two, can improve the bulk strength of sucking disc main part simultaneously.
According to some embodiments of the invention, the first annular protrusion and the second annular protrusion are both provided in a ring shape or a rectangular ring shape. When the first annular bulge and the second annular bulge are both arranged in a circular ring shape, the whole sucker main body is uniformly attached to the surface to be installed. When first annular arch with second annular arch all set to the rectangle annular, length direction was parallel with the direction of gravity, and whole sucking disc main part atress is more scientific, and bearing capacity is strong.
According to some embodiments of the invention, the air exhaust assembly further comprises a piston and an operating rod, the piston is matched with the inner side wall of the air exhaust channel, one end of the operating rod is connected with the piston, and the other end of the operating rod extends out of the air exhaust channel. The piston is driven to reciprocate in the air exhaust channel by controlling the operating rod, so that air in the air exhaust channel is exhausted, and a user can conveniently install the sucker main body.
According to some embodiments of the invention, a third annular protrusion is arranged on an inner side wall of the air exhaust channel, an end cover is arranged at one end of the operating rod, the other end of the operating rod penetrates through the third annular protrusion to be in threaded connection with the piston, a spring is arranged between the third annular protrusion and the end cover, and a one-way valve is arranged on the piston. When the piston is close to the inlet of the air extraction channel, the one-way valve is opened, otherwise, the one-way valve is closed, and the reciprocating operation is repeated for many times, so that the air between the sucker main body and the surface to be installed can be exhausted, the vacuum degree in the air extraction channel can be improved by repeatedly exhausting, and the air between the adsorption surface and the surface to be installed can be exhausted to the maximum extent.
According to some embodiments of the invention, the adsorption surface is made of a soft rubber material with Shore hardness of 15-55 degrees, so that deformation can be easily carried out according to the surface condition of the surface to be installed; through test tests, the soft rubber material with the Shore hardness of 15-55 degrees is bonded with the mounting surface to be mounted most tightly.
According to some embodiments of the invention, the suction surface has viscosity, so that the connection strength between the suction cup body and the surface to be installed can be further improved, and slow penetration of air is reduced.
According to a second aspect of the present invention, there is provided a suction cup hanger comprising a hook portion and a suction cup of the kind described above, the hook portion being mounted on the suction cup body. According to the technical scheme, the air exhaust channel is vacuumized, air between the adsorption surface and the surface to be installed enters the air exhaust channel from the inlet and is then exhausted, the adsorption surface is closely attached to the surface to be installed, along with continuous air exhaust, a plurality of tiny adsorption cavities are randomly generated on the adsorption surface according to the surface condition of the surface to be installed, the sucker main body is firmly adsorbed on the surface to be installed by utilizing a large number of tiny adsorption cavities, and at the moment, even if the air pressure of the air exhaust channel is equal to the external atmospheric pressure, the connection between the adsorption surface and the surface to be installed cannot be affected; therefore, the sucker with the structure can be suitable for the mounting surface to be mounted with high surface roughness and air holes, and has a wide application range.
Drawings
The invention is further described below with reference to the accompanying drawings and examples;
FIG. 1 is a schematic diagram of one embodiment of the present invention;
FIG. 2 is a schematic cross-sectional view of FIG. 1;
FIG. 3 is a schematic view of another embodiment of the present invention;
FIG. 4 is a schematic cross-sectional view of FIG. 3;
FIG. 5 is a schematic cross-sectional view of the sucker cover of FIG. 1;
FIG. 6 is a schematic view of the skeleton of FIG. 3;
FIG. 7 is a graph of a tensile test of the chuck with an adsorption surface diameter of 30 mm;
FIG. 8 is a graph of a tensile test of the chuck with a suction surface diameter of 70 mm;
FIG. 9 is a graph showing a tensile test of the chuck at a 150mm diameter suction surface.
Detailed Description
Reference will now be made in detail to the present preferred embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to like elements throughout.
In the description of the present invention, it should be understood that the orientation or positional relationship referred to in the description of the orientation, such as the upper, lower, front, rear, left, right, etc., is based on the orientation or positional relationship shown in the drawings, and is only for convenience of description and simplification of description, and does not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention.
In the description of the present invention, the meaning of a plurality of means is one or more, the meaning of a plurality of means is two or more, and larger, smaller, larger, etc. are understood as excluding the number, and larger, smaller, inner, etc. are understood as including the number. If the first and second are described for the purpose of distinguishing technical features, they are not to be understood as indicating or implying relative importance or implicitly indicating the number of technical features indicated or implicitly indicating the precedence of the technical features indicated.
In the description of the present invention, unless otherwise explicitly limited, terms such as arrangement, installation, connection and the like should be understood in a broad sense, and those skilled in the art can reasonably determine the specific meanings of the above terms in the present invention in combination with the specific contents of the technical solutions.
Referring to fig. 1 to 6, according to an aspect of the present invention, there is provided a suction cup including a suction cup body 1 and a suction passage 2; the sucker body 1 is provided with an adsorption surface 3 contacted with a surface to be installed, and the adsorption surface 3 is approximately planar; the air exhaust channel 2 is arranged in the sucker main body 1, and an inlet 4 of the air exhaust channel 2 is positioned on the adsorption surface 3; when the air exhaust channel 2 is vacuumized, the adsorption surface 3 can generate a plurality of adsorption cavities according to the surface state of the surface to be installed, and the sucker main body 1 is stably connected with the surface to be installed through the adsorption cavities. The suction surface 3 is preferably a plane, but it is understood by those skilled in the art that the same technical effects can be achieved if the suction surface is disposed in a shape close to a plane, so the suction surface 3 may be a plane or a shape close to a plane, such as a conical surface with a cone angle close to 180 degrees or a plane with fine protrusions.
According to the technical scheme, the air pumping channel 2 is vacuumized, air between the adsorption surface 3 and the surface to be installed enters the air pumping channel 2 from the inlet 4 and then is pumped away, the adsorption surface 3 is slightly deformed according to the surface condition of the surface to be installed, so that the adsorption surface 3 can be closely attached to the surface to be installed, a large number of tiny adsorption cavities are randomly generated between the adsorption surface 3 and the surface to be installed along with continuous pumping-away of the air, the tiny adsorption cavities can automatically avoid air holes in the surface to be installed, and therefore even if the air holes are formed in the surface to be installed, the sucker main body 1 cannot be connected with the surface to be installed; after a large number of tiny adsorption cavities are generated, even if the air pressure of the air exhaust channel 2 is equal to the external atmospheric pressure, the connection between the adsorption surface 3 and the surface to be installed is not affected (in the technical scheme, the sucking disc main body 1 is firmly adsorbed on the surface to be installed by mainly utilizing the tiny adsorption cavities); therefore, the sucker with the structure can be suitable for the mounting surface to be mounted with high surface roughness and air holes, and has a wide application range.
The evacuation process of the evacuation channel 2 can be performed by an external device, such as an independent air pump. Of course, it is conceivable to install the air extraction assembly directly in the air extraction duct 2 from the viewpoint of convenience of use. As shown in fig. 1 and 4, in some embodiments, according to some embodiments of the present invention, the present embodiment further includes an air extracting assembly, the air extracting assembly includes a piston 5 and an operating rod 6, the piston 5 is engaged with an inner side wall of the air extracting channel 2, one end of the operating rod 6 is connected to the piston 5, the other end of the operating rod 6 extends out of the air extracting channel 2, the operating rod 6 is controlled to drive the piston 5 to reciprocate in the air extracting channel 2 to exhaust air in the air extracting channel 2, it is considered that a check valve is disposed on the piston 5, the check valve is opened in a process that the piston 5 approaches an inlet 4 of the air extracting channel 2, otherwise, the check valve is closed, and air between the suction cup body 1 and the surface to be installed can be exhausted by repeating the above steps. In addition, it is obvious to those skilled in the art that other ways of exhausting the air in the extraction channel 2 through the piston 5 can be realized, for example, a cup 7 can be mounted on the piston 5, and the effect of a check valve can be realized.
The adsorption surface 3 is circular, so that the adsorption surface 3 can be uniformly adsorbed on a mounting surface, the diameter of the adsorption surface 3 is 30-150 mm, when the diameter of the adsorption surface 3 is less than 30mm, the adsorption force of the sucker main body 1 is limited, and when the diameter of the adsorption surface 3 exceeds 150mm, the change of the adsorption force is small, so that the adsorption surface 3 has a better cost performance when the diameter is 30-150 mm, the total area of the adsorption surface 3 is S1, the area S1 of the adsorption surface 3 comprises the area in contact with a wall to be mounted and the area of an inlet of an air exhaust channel, the area after the inlet of the air exhaust channel is removed in the area S1 of the adsorption surface 3 is S2, and S2/S1 is more than or less than or equal to. Fig. 7 to 9 are tension test graphs obtained from tension test experiments on the suction cup, in which the adsorption surface 3 is made of a TPE material with a shore hardness of 35 degrees during the test, and the adsorption surface 3 is adsorbed on a glass panel to perform the tension test; FIG. 7 is a graph of a tensile test of the suction cup with the diameter of the suction surface 3 being 30mm, with the horizontal axis being the S2/S1 percentage value and the vertical axis being the tensile value; FIG. 8 is a graph of a tensile test of the suction cup with the diameter of the suction surface 3 being 70mm, with the horizontal axis being the S2/S1 percentage value and the vertical axis being the tensile value; FIG. 9 is a graph of a tensile test of the suction cup with the diameter of the suction surface 3 being 150mm, with the horizontal axis being the S2/S1 percentage value and the vertical axis being the tensile value; from the above experimental tests, it is known that when the S2/S1 ratio is between 40% and S2, the elevation angle of the tensile test curve becomes larger, and at this time, the tensile force increases rapidly as the S2/S1 value increases, and the S2/S1 value cannot be equal to 1 due to the existence of the inlet of the air exhaust channel, and it is preferable to set the maximum value of S2/S1 to 99.5%, that is, the S2/S1 ratio is equal to or less than 99.5%, and after the S2/S1 value is greater than 99.5%, the tensile value tested by the experiments does not change much.
In addition, it can be understood by those skilled in the art that the shape of the suction surface 3 is not limited to a circular shape, and in some embodiments, the suction surface 3 may also be an oval shape, a rectangular shape, a polygonal shape, or any other shape, and the design may be selected according to the actual situation of the surface to be installed. When adsorption plane 3 is oval or rectangle, puts the length direction of adsorption plane 3 along the direction of gravity, and 3 highest departments of adsorption plane are the easiest with treat that the installation face separates when sucking disc main part during operation, and the length of the adsorption plane 3 that increases the direction of gravity can slow down 3 highest departments of adsorption plane and treat that the installation face separates easiest, and then can improve the bearing capacity of sucking disc main part. When the adsorption surface 3 is in an oval shape, the major axis of the adsorption surface 3 is a, the minor axis of the adsorption surface 3 is b, a is more than or equal to 60mm and less than or equal to 170mm, and b is more than or equal to 20mm and less than or equal to 169 mm. The adsorption surface 3 of the above size has a better cost performance.
As shown in fig. 1 and 4, according to some embodiments of the present invention, in order to facilitate the operation of the operation rod 6, a third annular protrusion 8 is disposed on an inner side wall of the air exhaust channel 2, an end cap 9 is disposed at one end of the operation rod 6, the other end of the operation rod 6 passes through the third annular protrusion 8 and is in threaded connection with the piston 5, and a spring 10 is disposed between the third annular protrusion 8 and the end cap 9. The third annular projection 8 prevents the piston 5 from sliding out of the upper end of the suction channel 2, and the spring 10 automatically springs up the cap 9 after each depression of the cap 9 for the next depression.
As shown in fig. 1 and 4, according to some embodiments of the present invention, the suction cup main body 1 includes a suction cup cover 11 and an adsorption layer 12, the suction cup cover 11 has a mounting position 19 therein, the bottom of the mounting position 19 is set to be a plane, the adsorption layer 12 is located in the mounting position 19, the adsorption layer 12 and the suction cup cover 11 are integrally formed by injection molding, the end surface of the adsorption layer 12 far away from the bottom of the mounting position 19 is an adsorption surface 3, the suction cup cover 11 in the suction cup main body 1 with the above structure can be used for mounting the adsorption layer 12, and can also be used as a decoration cover in actual use, and the structure is simple and ingenious. The flatness of the adsorption surface 3 can influence the connection strength between the sucker main body 1 and the surface to be installed in an experiment, the bottom of the installation position 19 is set to be a plane in order to improve the flatness of the adsorption surface 3 as much as possible, and the flatness of the adsorption surface 3 after injection molding can be greatly improved. Of course, in some embodiments, the bottom of the mounting location 19 may be configured to be approximately planar, and the same technical effect may also be achieved, for example, the bottom of the mounting location 19 may be configured to be approximately conical surface, and when the cone angle is approximately 180 °, the conical surface is approximately planar, and the similar effect may be achieved, in order to improve the connection strength between the adsorption layer 12 and the suction cup cover 11 after injection molding, a second hole location or a second slot location or a second protruding rib may be provided on the bottom surface of the mounting location 19, and the like. The bottom of the installation position 19 can be arranged to be in other non-planar shapes, at the moment, a second hole position or a second groove position or a second reinforcing rib protruding relatively is arranged on the bottom surface of the installation position 19, so that the connection strength of the adsorption layer 12 and the suction cup cover 11 after injection molding can be improved, and the flatness of the adsorption surface 3 can be improved as much as possible by adjusting the position of the second reinforcing rib or the second hole position or the second groove position.
In some embodiments, the absorption layer 12 and the suction cup cover 11 are integrally formed to ensure that the absorption layer and the suction cup cover 11 are airtight, and the suction cup cover 11 is made of rigid plastic, so that the overall rigidity of the suction cup main body 1 can be increased, and the bearing capacity can be improved.
In addition, it is conceivable for those skilled in the art that the adsorption layer 12 may be connected to the suction cup cover 11 in other ways, for example, the adsorption layer 12 and the suction cup cover 11 may be separately manufactured and then assembled with each other, and the two may be fixed by glue, so that the production division is more detailed, and the injection molding efficiency of the adsorption layer can be improved.
As shown in fig. 5, according to some embodiments of the present invention, the suction cup cover 11 includes a bottom plate 13, a first annular protrusion 14 and a second annular protrusion 15 are protrudingly disposed on the bottom plate 13, the first annular protrusion 14 is disposed in the second annular protrusion 15, the bottom plate 13 is disposed with a through hole corresponding to a region surrounded by the first annular protrusion 14, the first annular protrusion 14 and the through hole form the air exhaust channel 2, the first annular protrusion 14, the second annular protrusion 15 and the bottom plate 13 form the installation position, the first annular protrusion 14 and the second annular protrusion 15 have the same height, the suction cup cover 11 and the adsorption layer 12 in the above embodiments can form a good connection by injection molding (the side wall of the first annular protrusion and the side wall of the second annular protrusion are connected to the side wall of the adsorption layer, the connection area is large), and the injection molded adsorption surface 3 has a very high flatness; the sucker cover with the structure has a simple structure, can be produced in large batch through injection molding, and is low in manufacturing cost.
In some embodiments, the second annular protrusion may not be provided, and in this case, the outer profile of the adsorption layer 12 after injection molding is the same as the outer profile of the bottom plate 13, and the outer side wall of the adsorption layer 12 and the outer side wall of the bottom plate 13 together form the outer side wall of the suction cup body 1.
As shown in fig. 5, according to some embodiments of the present invention, the first annular protrusion 14 and the second annular protrusion 15 are both arranged in a circular ring shape, and they are arranged concentrically, and the adsorption layer 12 formed by the first annular protrusion 14 and the second annular protrusion 15 in the above shape is in a circular ring shape, so that the air suction process between the adsorption surface 3 and the surface to be installed is more uniform, and the whole suction cup body and the surface to be installed are uniformly attached, however, the embodiments of the first annular protrusion 14 and the second annular protrusion 15 are not limited thereto, and they may also be arranged in a rectangular ring shape or other polygonal ring shapes, etc.; when first annular arch and second annular arch all set to the rectangle annular, when length direction was parallel with the direction of gravity, whole sucking disc main part atress was more scientific, and bearing capacity is strong.
As shown in fig. 3 and 4, the suction cup body 1 may also adopt other embodiments, for example, in some embodiments, the suction cup body 1 includes an adsorption layer 12 and a skeleton 17, the adsorption surface 3 is located at one end of the adsorption layer 12, the skeleton 17 and the adsorption layer 12 are integrally formed by injection molding, the skeleton 17 is partially located in the adsorption layer 12, and the air exhaust channel 2 is arranged in the skeleton 17; the adsorption surface 3 is made of soft rubber materials, and deformation can be carried out according to the surface condition of the surface to be installed. In the embodiment, the adsorption layer 12 is manufactured by injection molding on the framework 17, so that the production efficiency is high, the existing equipment can be fully utilized for production, and the production cost can be reduced; in the above embodiment, the framework 17 provides sufficient rigidity for the suction cup layer, and the framework 17 and the adsorption layer 12 can be integrally formed by injection molding to form a good connection; in order to improve the flatness of the adsorption surface 3, the end face, opposite to the adsorption surface 3, of the adsorption layer 12 is set to be a plane, so that the injection molding thickness is more uniform, and the flatness of the adsorption surface 3 is improved. Of course, in some embodiments, the end surface of the adsorption layer 12 opposite to the adsorption surface 3 may be configured to be approximately planar, which may also provide the same technical effect.
The framework 17 comprises a cylindrical part 16 in a shape of a circular tube, an annular bone piece 18 is arranged on the outer side wall of the cylindrical part 16, the bone piece 18 is positioned in the adsorption layer 12, and the air exhaust channel 2 penetrates through the cylindrical part 16. The framework 17 with the structure is reasonable in structure, so that the framework 17 and the adsorption layer 12 can be well combined together, the connection is firm and reliable, and the framework 17 with the structure is convenient to produce and manufacture; the bone pieces 18 mainly play a role in increasing the rigidity of the adsorption layer 12, and whether an air exhaust component is installed in the air exhaust channel 2 can be selected according to actual needs so as to improve the air exhaust effect. The bone pieces 18 and the column parts 16 can be manufactured through injection molding and integrated molding, and the structure strength is good and the production efficiency is high.
As shown in fig. 4 and 6, according to some embodiments of the invention, bone flap 18 is circular. The annular bone pieces 18 can provide uniform support for the adsorption layer 12, so that the whole adsorption layer 12 is uniformly stressed.
As shown in fig. 6, in accordance with some embodiments of the present invention, a plurality of notches 21 are provided at the edges of the bone flap 18. The gap 21 can be used for glue to pass through during injection molding, and the adsorption layer 12 can be connected with the bone fragments 18 more tightly.
As shown in FIG. 6, bone flap 18 is provided with a plurality of first holes 22 or first slots, according to some embodiments of the present invention. The first hole 22 can allow glue to pass through during injection molding, and the adsorption layer 12 and the bone fragments 18 can be connected more tightly; the first groove may allow for a tighter attachment of the adsorbent layer 12 to the bone flap 18.
According to some embodiments of the present invention, the bone flap 18 is distal from the cylindrical portion 16, and the distal end of the bone flap 18 extends at least partially beyond the midline of the suction surface 3. The bone pieces 18 are arranged around the cylindrical body 16 and are annular, the straight line passing through the center of the cylindrical body 16 is taken as the center of a circle, the part of the straight line which passes through the center of the circle and falls on the adsorption surface 3 is called a line segment, the middle points of the countless line segments connect to form the middle line of the adsorption surface 3, the far end of each bone piece 18 at least partially extends to the outside of the middle line of the adsorption surface 3 to ensure the structural strength of the adsorption surface 3, the edge positions which are not covered by the bone pieces 18 have stronger elasticity and are easier to deform, so that the part can be attached to the to-be-installed surface more tightly, and the.
According to some embodiments of the present invention, a first reinforcement rib is disposed between the bone flap 18 and the column portion 16; in order to reinforce the structural strength of the bone flap 18.
As shown in fig. 4 and 6, according to some embodiments of the present invention, the bone fragments 18 are provided with a plurality of protruding positioning pillars 23. After the bone pieces 18 are placed in the mold, the positioning columns 23 are in contact with the inner side wall of the mold to position, so that the bone pieces 18 are prevented from deflecting due to glue feeding, and the injection molding quality is guaranteed.
According to some embodiments of the present invention, the adsorption surface 3 is made of a soft rubber material with shore hardness of 15 to 55 degrees, which facilitates deformation according to the surface condition of the installation surface to be installed, and through test tests, the soft rubber material with shore hardness of 15 to 55 degrees is bonded most tightly with the installation surface to be installed. The soft rubber material can specifically adopt TPE, TPR, silica gel, rubber or PVC and the like.
In order to further improve the connection strength and reduce the slow permeation of air, the adsorption surface 3 may be made of a material with certain viscosity, such as TPE, TPR, silica gel, rubber or PVC.
According to a second aspect of the present invention, there is provided a suction cup hanger comprising a hook portion 20 and a suction cup of the kind described above, the hook portion 20 being mounted on the suction cup body 1. According to the technical scheme, the air pumping channel 2 is vacuumized, air between the adsorption surface 3 and the surface to be installed enters the air pumping channel 2 from the inlet and then is pumped away, the adsorption surface 3 is closely attached to the surface to be installed, along with continuous air pumping, a plurality of tiny adsorption cavities are randomly generated on the adsorption surface 3 according to the surface condition of the surface to be installed, the sucker main body 1 is firmly adsorbed on the surface to be installed by utilizing a large number of tiny adsorption cavities, and at the moment, even if the air pressure of the air pumping channel 2 is equal to the external atmospheric pressure, the connection between the adsorption surface 3 and the surface to be installed cannot be affected; therefore, the sucker with the structure can be suitable for the mounting surface to be mounted with high surface roughness and air holes, and has a wide application range.
The embodiments of the present invention have been described in detail with reference to the accompanying drawings, but the present invention is not limited to the above embodiments, and various changes can be made within the knowledge of those skilled in the art without departing from the gist of the present invention.
Claims (35)
1. A suction cup, comprising:
the sucker main body is provided with an adsorption surface which is contacted with a surface to be installed, and the adsorption surface is approximately planar;
the air suction channel is arranged in the sucker main body, and an inlet of the air suction channel is positioned on the adsorption surface; when the air exhaust channel is vacuumized, the adsorption surface can generate a plurality of adsorption cavities according to the surface state of the surface to be installed, and the sucker main body is stably connected with the surface to be installed through the adsorption cavities.
2. The suction cup as claimed in claim 1, wherein the total area of said suction surface is S1, the area of said suction surface excluding the inlet of said pumping passage is S2, and S2/S1 is not less than 40%.
3. The suction cup as claimed in claim 2, wherein S2/S1 is 99.5% or less.
4. The suction cup as set forth in claim 3, wherein said suction surface has a circular shape.
5. The suction cup as set forth in claim 4, wherein said suction surface has a diameter of 30mm to 150 mm.
6. The suction cup as set forth in claim 3, wherein said suction surface has an oval shape.
7. The suction cup as set forth in claim 6, wherein the major axis of the suction surface is a, the minor axis of the suction surface is b, 60 mm. ltoreq. a.ltoreq.170 mm, and 20 mm. ltoreq. b.ltoreq.169 mm.
8. The suction cup as claimed in any one of claims 1 to 7, wherein said suction cup body comprises an absorption layer and a skeleton, said absorption surface is located at one end of said absorption layer, said skeleton and said absorption layer are integrally formed by injection molding, said skeleton is partially located in said absorption layer, and said suction channel is disposed in said skeleton.
9. The suction cup as set forth in claim 8, wherein said skeleton includes a tubular cylindrical portion, and a ring-shaped bone piece is disposed on an outer side wall of said cylindrical portion, said bone piece being located in said suction layer, said suction passage extending through said cylindrical portion.
10. The suction cup of claim 8 wherein said bone flap is circular.
11. The suction cup as set forth in claim 8, wherein said bone plate has a plurality of notches formed in its edge.
12. The suction cup as set forth in claim 8 wherein said bone plate has a plurality of first holes or first slots formed therein.
13. The suction cup of claim 8 wherein said bone flap is distal from said stem portion, said distal end of said bone flap extending at least partially beyond a midline of the suction surface.
14. The suction cup of claim 8 wherein a first reinforcing rib is disposed between said bone plate and said cylindrical portion.
15. The suction cup as set forth in claim 8, wherein said bone plate has a plurality of protruding positioning posts.
16. The suction cup of claim 8 further comprising a suction assembly, said suction assembly including a piston and a lever, said piston engaging said suction channel interior sidewall, said lever having one end connected to said piston and another end extending out of said suction channel.
17. The suction cup as claimed in claim 16, wherein a third annular protrusion is formed on an inner sidewall of said pumping passage, one end of said operating rod is threaded to said piston through said third annular protrusion, an end cap is formed on the other end of said operating rod, a spring is formed between said third annular protrusion and said end cap, and a check valve is formed on said piston.
18. The suction cup as claimed in claim 17, wherein a third annular protrusion is formed on an inner sidewall of the pumping channel, one end of the operating rod passes through the third annular protrusion to be threadedly connected to the piston, an end cap is formed at the other end of the operating rod, a spring is disposed between the third annular protrusion and the end cap, and a cup is formed at an edge of the piston to be engaged with the inner sidewall of the pumping channel.
19. The suction cup as claimed in any one of claims 1 to 7, wherein said suction cup body comprises a suction cup cover and an adsorption layer, said suction cup cover has a mounting position therein, said adsorption layer is located in said mounting position, and an end surface of said adsorption layer away from the bottom of said mounting position is said adsorption surface.
20. The suction cup of claim 19 wherein said bottom of said mounting location is substantially planar.
21. The suction cup of claim 19 wherein said bottom of said mounting portion is generally conical.
22. The suction cup as set forth in claim 19, wherein said mounting portion is provided at a bottom thereof with a second rib projecting relatively.
23. The suction cup as claimed in claim 19, wherein said mounting portion has a second hole or slot formed in a bottom portion thereof.
24. The suction cup as set forth in claim 19, wherein said suction layer and said suction cup cover are integrally formed by injection molding.
25. The suction cup as set forth in claim 24 wherein said mounting portion is provided at its bottom with a second, relatively projecting rib.
26. The suction cup as claimed in claim 24, wherein said mounting portion has a second hole or slot formed in a bottom thereof.
27. The suction cup as set forth in claim 19, wherein said suction layer and said suction cup cover are separately manufactured and then assembled together.
28. The suction cup as set forth in claim 19 wherein said suction cup cover includes a bottom plate, said bottom plate having a first annular protrusion protruding therefrom, said bottom plate having a through hole formed therein corresponding to an area surrounded by said first annular protrusion, said first annular protrusion and said through hole forming said suction passage, said mounting portion being located on said bottom plate outside said first annular protrusion.
29. The suction cup of claim 28 wherein said base plate further comprises a second annular ridge, said first annular ridge being disposed within said second annular ridge, said mounting location being disposed on said base plate between said first annular ridge and said second annular ridge.
30. The suction cup as set forth in claim 29, wherein said first annular protrusion and said second annular protrusion are each configured in a circular ring shape or a rectangular ring shape.
31. The chuck of claim 19, further comprising a pumping assembly, said pumping assembly including a piston and a lever, said piston engaging an inner sidewall of said pumping channel, said lever having one end connected to said piston and another end extending out of said pumping channel.
32. The suction cup as claimed in claim 31, wherein a third annular protrusion is formed on an inner sidewall of said pumping passage, an end cap is formed at one end of said operating rod, the other end of said operating rod is threaded to said piston through said third annular protrusion, a spring is formed between said third annular protrusion and said end cap, and a check valve is formed on said piston.
33. The suction cup as claimed in claim 1, wherein said suction surface is made of soft rubber material with shore hardness of 15 to 55 °.
34. The suction cup as set forth in claim 1, wherein said suction surface has tackiness.
35. A suction cup hanger comprising a hook portion and a suction cup as claimed in any one of claims 1 to 34, said hook portion being mounted on said suction cup body.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010035504.2A CN111140587A (en) | 2020-01-14 | 2020-01-14 | Sucking disc and sucking disc couple |
| PCT/CN2020/136353 WO2021143424A1 (en) | 2020-01-14 | 2020-12-15 | Suction cup and suction cup hook |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010035504.2A CN111140587A (en) | 2020-01-14 | 2020-01-14 | Sucking disc and sucking disc couple |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN111140587A true CN111140587A (en) | 2020-05-12 |
Family
ID=70524823
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010035504.2A Pending CN111140587A (en) | 2020-01-14 | 2020-01-14 | Sucking disc and sucking disc couple |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN111140587A (en) |
| WO (1) | WO2021143424A1 (en) |
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| WO2023216728A1 (en) * | 2022-05-11 | 2023-11-16 | 广东太力科技集团股份有限公司 | Suction cup device |
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| WO2021143424A1 (en) | 2021-07-22 |
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