CN217761684U

CN217761684U - Sucker device

Info

Publication number: CN217761684U
Application number: CN202221130947.0U
Authority: CN
Inventors: 石正兵
Original assignee: Guangdong Taili Technology Group Co Ltd
Current assignee: Guangdong Taili Technology Group Co Ltd
Priority date: 2022-05-11
Filing date: 2022-05-11
Publication date: 2022-11-08
Anticipated expiration: 2032-05-11
Also published as: WO2023216728A1

Abstract

The utility model discloses a sucker device, include: the sucker body is provided with an adsorption surface which is in contact with a surface to be installed; the inlet of the air exhaust channel is positioned on the adsorption surface; the air exhaust assembly is arranged in the air exhaust channel; the adsorption surface is trumpet-shaped and is arranged along the circumferential direction of the air exhaust channel, and the adsorption surface can be gradually contacted with the surface to be installed along the outer edge of the adsorption surface towards the direction of the air exhaust channel so as to gradually exhaust the gas between the adsorption surface and the surface to be installed. When the sucking disc device of above structure is installed and is being waited to install on the face, receive along with the sucking disc main part and press or bleed the subassembly and carry out the work of bleeding, the adsorption plane of loudspeaker form contacts with waiting to install the face from the outer border of adsorption plane toward the direction of bleed passageway progressively to stop the adsorption plane and wait to install the gas outgoing between the face, stop the adsorption plane and wait to install and produce the bubble between the face, this sucking disc device adsorbs stably, load-carrying capacity is stronger.

Description

Suction cup device

Technical Field

The utility model relates to the technical field of articles for daily use, in particular to suction disc device.

Background

At present, a sucking disc common on the market includes the sucking disc main part, the middle part of sucking disc main part has the air bleed passageway, be equipped with the subassembly of bleeding in the air bleed passageway, be equipped with the flexible glue adsorption element that is located air bleed passageway around in the sucking disc main part, this flexible glue adsorption element's absorption is personally submitted planar, when the user adsorbs the pressfitting with the flexible glue on treating the installation face, most area of adsorption face with treat installation face direct contact, a part of adsorption face with treat that the gas between the installation face can not discharge immediately, lead to a part of adsorption face with treat to install and have the bubble between the face, even follow-up outwards bleed from the air bleed passageway and also can't eliminate the bubble, make the adsorption affinity of sucking disc descend, influence the bearing capacity of sucking disc, finally lead to the sucking disc from treating to install and drop easily on the face.

SUMMERY OF THE UTILITY MODEL

The utility model discloses aim at solving one of the technical problem that exists among the prior art at least. Therefore, the utility model provides a adsorb stable, the stronger sucking disc device of load-carrying capacity.

According to the utility model discloses a sucking disc device, include: the suction cup comprises a suction cup main body, a suction cup body and a suction cup, wherein the suction cup main body is provided with a suction surface which is in contact with a surface to be mounted; the inlet of the air exhaust channel is positioned on the adsorption surface; the air exhaust assembly is arranged in the air exhaust channel; the adsorption surface is trumpet-shaped and is arranged along the circumferential direction of the air exhaust channel, and the adsorption surface can be gradually contacted with the surface to be installed along the outer edge of the adsorption surface towards the direction of the air exhaust channel so as to gradually exhaust the gas between the adsorption surface and the surface to be installed.

According to the utility model discloses sucking disc device has following beneficial effect at least:

when the sucking disc device of above structure is installed and is being waited to install on the face, receive along with the sucking disc main part and press or bleed the subassembly and carry out the work of bleeding, the adsorption plane of loudspeaker form contacts with waiting to install the face from the outer border of adsorption plane toward the direction of bleed passageway progressively to stop the adsorption plane and wait to install the gas outgoing between the face, stop the adsorption plane and wait to install and produce the bubble between the face, this sucking disc device adsorbs stably, load-carrying capacity is stronger.

In some embodiments of the present invention, the adsorption surface is a trumpet-shaped annular slope surface, and the radial inward direction of the air exhaust channel is followed, and the depth of the annular slope surface is gradually increased.

In some embodiments of the invention, the slope of the annular dome increases gradually in a radially inward direction of the air evacuation channel.

In some embodiments of the invention, the slope of the annular dome is equal in the radially inward direction of the air evacuation channel.

In some embodiments of the present invention, the projection of the annular slope surface on the horizontal plane is in a circular ring shape, an elliptical ring shape, or a square-shaped shape.

In some embodiments of the present invention, the included angle between the shortest connecting line between the inner edge of the annular slope and the outer edge of the annular slope and the horizontal plane is θ, which satisfies: theta is more than or equal to 0.12 degree and less than or equal to 4.6 degrees.

In some embodiments of the present invention, the radial dimension of the annular slope surface is a, the height dimension of the annular slope surface is b, and the following requirements are satisfied: a is more than or equal to 5mm and less than or equal to 21mm, b is more than or equal to 0.02mm and less than or equal to 1.5mm.

In some embodiments of the present invention, the inner edge of the adsorption surface is connected with an annular plane along the circumferential direction of the air exhaust channel.

In some embodiments of the present invention, the radial dimension of the annular plane is c, satisfying: c is more than or equal to 0.5mm and less than or equal to 16.25mm.

In some embodiments of the invention, the suction surface and/or the annular flat surface have a viscosity.

In some embodiments of the present invention, the adsorption surface includes a plurality of fan-shaped curved surfaces, the fan-shaped curved surfaces are distributed around the circumference of the air exhaust channel at intervals, and adjacent to each other, an air guide channel is provided between the fan-shaped curved surfaces, and the air guide channel is communicated with the air exhaust channel.

The utility model discloses an in some embodiments, the sucking disc main part includes the casing and locates the skeleton of casing, the skeleton has the bottom surface and is planar installation heavy groove, be equipped with the adsorption colloid in the installation heavy groove, the adsorption surface is located the lower terminal surface of adsorption colloid.

In some embodiments of the present invention, the edge of the adsorbing colloid near the air exhausting channel is chamfered.

In some embodiments of the present invention, the suction cup main body is provided with an air exhaust component communicated with the air exhaust channel.

In some embodiments of the present invention, the air pumping assembly includes a piston member and an operating rod, the piston member is engaged with the inner wall of the air pumping channel, one end of the operating rod is connected to the piston member, and the other end of the operating rod extends to the outside of the air pumping channel.

In some embodiments of the present invention, a pressing plate is disposed at one end of the operating rod extending out of the air exhaust channel, a spring member is disposed on the operating rod, and two ends of the spring member respectively abut against the pressing plate and the frame.

In some embodiments of the present invention, the air extraction assembly includes a one-way valve cooperating with the air extraction passage and an electric air pump connected to the one-way valve.

Additional aspects and advantages of the invention will be set forth in part in the description which follows and, in part, will be obvious from the description, or may be learned by practice of the invention.

Drawings

The above and/or additional aspects and advantages of the present invention will become apparent and readily appreciated from the following description of the embodiments, taken in conjunction with the accompanying drawings of which:

fig. 1 is a schematic structural view of an embodiment of a suction cup device according to the present invention;

FIG. 2 is a schematic structural view of an annular slope surface with a gradually increasing gradient of an adsorption surface;

FIG. 3 is a schematic structural view of an annular slope surface with equal gradient of the adsorption surface;

fig. 4 is a schematic structural view of another embodiment of the suction surface of the suction cup device according to the present invention.

Detailed Description

Reference will now be made in detail to the embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to the same or similar elements or elements having the same or similar functions throughout. The embodiments described below with reference to the accompanying drawings are exemplary only for explaining the present invention, and should not be construed as limiting the present invention.

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 terms "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc., is based on the orientation or positional relationship shown in the drawings, and is only for convenience of description and simplicity of description, and does not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the invention.

In the description of the present invention, a plurality of means are one or more, a plurality of means are two or more, and the terms greater than, less than, exceeding, etc. are understood as not including the number, and the terms greater than, less than, within, 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, it should be noted that, unless explicitly stated or limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Referring to fig. 1 and 2, a suction cup device according to an embodiment of the present invention includes: a suction cup main body 100, the suction cup main body 100 having a suction surface 210 in contact with a surface to be mounted; an air suction passage 300 provided in the chuck body 100, an inlet of the air suction passage 300 being positioned on the suction surface 210; the air extracting assembly 400 is arranged in the air extracting channel 300; the adsorption surface 210 is trumpet-shaped and is arranged along the circumferential direction of the air exhaust channel 300, and the adsorption surface 210 can gradually contact with a surface to be installed along the outer edge of the adsorption surface 210 in the direction of the air exhaust channel 300 so as to gradually exhaust gas between the adsorption surface 210 and the surface to be installed.

When the sucker device with the structure is installed on a to-be-installed surface, an exhaust cavity communicated with the air exhaust channel 300 can be defined between the adsorption surface 210 and the to-be-installed surface, air in the exhaust cavity is exhausted from the air exhaust channel 300 along with the fact that the sucker main body 100 is pressed or the air exhaust assembly 400 performs air exhaust operation, the adsorption surface 210 deforms along the thickness direction, the trumpet-shaped adsorption surface 210 is gradually contacted with the to-be-installed surface along the outer edge of the adsorption surface 210 in the direction of the air exhaust channel 300, namely, the part, far away from the air exhaust channel 300, of the adsorption surface 210 is firstly contacted with the to-be-installed surface, the part, close to the air exhaust channel 300, of the adsorption surface 210 is then contacted with the to-be-installed surface, finally, the whole adsorption surface 210 can be attached to the to-be-installed surface, the air between the adsorption surface 210 and the to-be-installed surface is gradually exhausted, bubbles are prevented from being generated between the adsorption surface 210 and the to-be-installed surface, and the sucker device is stable in adsorption and high in load-carrying capacity.

Referring to fig. 2 or 3, in some embodiments of the present invention, the suction surface 210 is a flared annular slope, and the depth of the annular slope increases gradually in the radial inward direction of the pumping channel 300. It should be noted that the height distance between the annular slope surface and the surface to be installed is the depth of the annular slope surface, and the radial direction of the air exhaust channel 300 refers to the direction from the outer edge of the annular slope surface to the center of the air exhaust channel 300. When the adsorption surface 210 with the above structure is installed on the surface to be installed, the outer edge of the adsorption surface 210 first contacts with the surface to be installed to form a circle of boundary line for sealing, and along with the discharge of gas, the boundary line moves inwards along the radial direction of the air exhaust channel 300 until the adsorption surface 210 is close to the contour edge of the air exhaust channel 300 and contacts with the surface to be installed, so that the whole adsorption surface 210 can be attached to the surface to be installed.

Referring to fig. 2, in some embodiments of the present invention, the slope of the annular dome increases gradually in a radially inward direction of the bleed air passage 300. That is, in the radial inward direction of the air exhaust passage 300, the annular slope surface is a curved surface whose distance from the surface to be installed is gradually increased. The annular slope surface of the shape structure is helpful for the adsorption surface 210 to be supported on the installation surface slowly and orderly when the adsorption surface 210 is deformed due to air pressure difference, most area of the adsorption surface 210 is prevented from being instantaneously and directly contacted with the installation surface to generate bubbles, the slope surface of the annular structure is made of plastic, and when the slope surface of the annular structure is cooled, the slope surface of the annular structure can reduce the condition of forming pits due to the shrinkage of the plastic, air bubbles are prevented from being formed, and the adsorption capacity and the load carrying capacity of the sucker device are ensured.

Referring to fig. 3, in some embodiments of the invention, the slope of the annular land is equal in a radially inward direction of the bleed passage 300. Namely, the annular slope surface is an inclined surface, and the included angle between the annular slope surface and the horizontal plane is constant. Along with sucking disc main part 100 receives to press and air exhaust subassembly 400 carries out the work of bleeding, this annular is domatic can slowly, supports in order and leans on waiting to install the face, avoids most area of adsorption plane 210 and waits to install the instantaneous direct contact of face and produce the bubble, guarantees this sucking disc device adsorption efficiency and load-carrying capacity. When the slope of the annular slope surface is constant, the annular slope surface is in a circular truncated cone shape or an elliptical truncated cone shape.

In some embodiments of the present invention, the projection of the annular slope surface on the horizontal plane is in a circular ring shape, an elliptical ring shape, or a square-shaped shape. When the sucker device is installed on a surface to be installed, the edge of the outer ring of the annular slope surface is firstly contacted with the surface to be installed, and finally, the edge of the inner ring of the annular slope surface is contacted with the surface to be installed along with the discharge of gas, and the whole annular slope surface can be attached to the surface to be installed under the action of air pressure difference.

Referring to fig. 2 or fig. 3, in some embodiments of the present invention, an included angle between a shortest connecting line between an inner edge of the annular slope surface and an outer edge of the annular slope surface and a horizontal plane is θ, and satisfies: theta is more than or equal to 0.12 degree and less than or equal to 4.6 degrees. Experiments show that when an included angle theta between a connecting line between the inner edge of the annular slope surface and the outer edge of the annular slope surface and a horizontal plane meets the data range, the sucker device can be adsorbed on a surface to be installed without generating bubbles, and the load-carrying capacity is improved compared with that of a common sucker device.

Referring to fig. 2 or fig. 3, in some embodiments of the present invention, the radial dimension of the annular slope is a, and the height dimension of the annular slope is b, which satisfy: a is more than or equal to 5mm and less than or equal to 21mm, b is more than or equal to 0.02mm and less than or equal to 1.5mm. Experiments show that when the radial size a of the annular slope surface and the height size b of the annular slope surface meet the data range, the stability of the sucker device is improved compared with that of a common sucker device when the sucker device is adsorbed on a surface to be installed.

Referring to fig. 2 or 3, in some embodiments of the present invention, the outer edge of the suction surface 210 is connected with an annular flat surface 220 disposed along the circumference of the suction channel 300. It can be understood that, when the suction cup device is installed on the installation surface, the annular plane 220 is firstly contacted with the installation surface, as the suction cup main body 100 is pressed or the air extraction assembly 400 performs air extraction operation, air is exhausted from the air extraction channel 300, the adsorption surface 210 is contacted with the installation surface, the adsorption surface 210 is gradually contacted with the installation surface from the outer edge of the adsorption surface toward the direction of the air extraction channel 300, and finally both the adsorption surface 210 and the annular plane 220 can be attached to the installation surface, thereby forming a good adsorption effect.

Referring to fig. 2 or 3, in some embodiments of the present invention, the radial dimension of the annular flat 220 is c, satisfying: c is more than or equal to 0.5mm and less than or equal to 16.25mm. Experiments show that when the radial dimension c of the annular plane 220 meets the data range, the suction disc device is stably adsorbed with the to-be-installed surface and is not easy to drop due to the fact that the suction disc device is not prone to being subjected to sideslip external force.

The following comparative tests for installing the sucker devices on the tile surface and the glass surface are respectively given, and the test adopts the sucker devices with 100 adsorption surfaces 210 as planes and the sucker devices with 100 adsorption surfaces 210 as trumpets to keep for 3 months for comparison under different loads, so as to obtain different drop rates. The dimensions a, b, c, and θ of the horn-shaped suction surface 210 all satisfy the data range.

The data of the above comparative tests are obtained, the phenomenon that the suction cup device with the adsorption surface 210 in a horn shape does not drop within 3 months is avoided, the dropping rate of different numerical values of the suction cup device with the adsorption surface 210 in a plane is improved, and the effect is improved obviously. Therefore, the utility model discloses a sucking disc device compares in ordinary sucking disc device's adsorption efficiency more stable after the institutional advancement to adsorption plane 210, and the load capacity is stronger.

In order to obtain a more stable suction effect, the suction surface 210 and/or the annular flat surface 220 have viscosity. In some embodiments of the present invention, the annular plane 220 and the adsorption surface 210 are both stained with glue, so as to realize stable adsorption of the mounting surface.

Referring to fig. 4, in some embodiments of the present invention, the suction surface 210 includes a plurality of fan-shaped curved surfaces 211 connected to the inner edge of the annular plane 220, the fan-shaped curved surfaces 211 are circumferentially spaced around the suction channel 300, and an air guide channel 212 communicated with the suction channel 300 is disposed between adjacent fan-shaped curved surfaces 211. It should be noted that all the fan-shaped curved surfaces 211 are located on the same trumpet-shaped curved surface, when the suction cup device is adsorbed on the surface to be installed, along with the outward discharge of the gas from the air exhaust channel 300, the fan-shaped curved surfaces 211 gradually contact the surface to be installed from the outer edge to the inner edge, at this time, the gas between the fan-shaped curved surfaces 211 and the surface to be installed can be transmitted to the air exhaust channel 300 along the gas guide channel 212, which is beneficial to rapid exhaust.

In some embodiments of the present invention, the suction cup main body 100 includes a casing 110 and a frame 120 disposed on the casing 110, the frame 120 has a bottom surface that is a planar installation sinking groove, the installation sinking groove is provided with the adsorbing colloid 200, and the adsorbing surface 210 is disposed on the lower end surface of the adsorbing colloid 200. When the used adsorptive colloid 200 is a material with high softness, the adsorptive surface 210 is difficult to shape, and in the production process, the adsorptive colloid 200 with high softness is firstly loaded into the framework 120, so that the adsorptive surface 210 is close to a preset shape and does not excessively deform, and the adsorptive surface 210 of the adsorptive colloid 200 is better attached to the surface to be installed. Meanwhile, the arrangement of the installation sinking groove enables the adsorbing colloid 200 to be better combined with the framework 120, the framework 120 with stronger rigidity uniformly transmits the stress of the sucking disc device to the adsorbing colloid 200 and then to the adsorption surface 210, so that the sucking disc main body 100 can bear more uniformly and adsorb more stably.

Referring to fig. 2 or 3, in some embodiments of the present invention, the edge of the adsorbing colloid 200 near the pumping channel 300 is chamfered. Because of the existence of the shell 110, when the above-mentioned sucking disc device is manufactured, one side of the adsorption colloid 200 close to the shell 110 is easily cooled and shaped first, the edge of the adsorption colloid 200 close to the air exhaust channel is also easily cooled and shaped first, and the rest parts of the adsorption colloid 200 are cooled later, in the process, the uncooled part of the adsorption colloid 200 has the tendency of flowing towards the cooled part, the thickness dimension of the part of the adsorption colloid 200 close to the edge of the air exhaust channel 300 is thicker than the preset thickness dimension, thereby affecting the air exhaust function, therefore, the edge of the air exhaust channel 300 can be set to be in the shape of a chamfer, so that the edge of the adsorption colloid 200 close to the air exhaust channel 300 is in the shape of a chamfer, so as to guarantee the air exhaust function of the air exhaust channel 300, and further guarantee the adsorption effect of the sucking disc device.

Referring to fig. 1 and 2, in some embodiments of the present invention, a pressing plate 421 is disposed at one end of the operating rod 420 extending out of the air exhaust channel 300, a spring member 500 is disposed through the operating rod 420, and two ends of the spring member 500 abut against the pressing plate 421 and the frame 120, respectively. It should be noted that, when the user uses the suction cup, the suction cup main body 100 is laid on the surface to be installed, and then the pressing plate 421 is pushed independently, the spring element 500 transmits the pushing force to the framework 120 uniformly, so that the suction surface 210 is stressed uniformly, and can gradually contact with the surface to be installed along the direction from the outer edge of the suction surface 210 to the air exhaust channel 300, so as to gradually exhaust the air between the suction surface 210 and the surface to be installed.

Referring to fig. 1, in some embodiments of the present invention, the suction cup body 100 is provided with a suction assembly 400 in communication with a suction channel 300. The air between the suction surface 210 and the surface to be installed is exhausted from the air exhausting channel 300 through the air exhausting assembly 400, and compared with the mode of only manually pressing the sucker body, the arrangement of the air exhausting assembly 400 is beneficial to the fact that the suction surface 210 is gradually contacted with the surface to be installed along the radial inward direction of the air exhausting channel 300, so that the air between the suction surface 210 and the surface to be installed is gradually exhausted, and bubbles are prevented from being generated between the suction surface 210 and the surface to be installed.

Referring to FIG. 1, in some embodiments of the present invention, the suction assembly 400 includes a piston member 410 and a lever 420, the piston member 410 is engaged with the inner wall of the suction channel 300, one end of the lever 420 is connected to the piston member 410, and the other end of the lever 420 extends out of the suction channel 300. The user can manually operate the pumping assembly 400 to discharge the gas.

In some embodiments of the present invention, the air extraction assembly 400 includes a check valve that mates with the air extraction channel 300 and an electric air pump that connects the check valve. The air in the exhaust chamber is exhausted from the exhaust channel 300 by an electric exhaust pump, and a one-way valve is used for allowing the air to be exhausted in one way and preventing external air from entering the suction cup device.

The technical features of the above embodiments can be arbitrarily combined, and for the sake of brevity, all possible combinations of the technical features in the above embodiments are not described, but should be considered as the scope of the present specification as long as there is no contradiction between the combinations of the technical features.

While embodiments of the present invention have been shown and described, it will be understood by those of ordinary skill in the art that: various changes, modifications, substitutions and alterations can be made to the embodiments without departing from the principles and spirit of the invention, the scope of which is defined by the claims and their equivalents.

Claims

1. A suction cup device, comprising:

a suction cup main body (100), the suction cup main body (100) having a suction surface (210) that contacts a surface to be mounted;

an air exhaust channel (300), wherein the inlet of the air exhaust channel (300) is positioned on the adsorption surface (210);

the adsorption surface (210) is flared and arranged along the circumferential direction of the air extraction channel (300), and the adsorption surface (210) can be gradually contacted with a surface to be installed along the outer edge of the adsorption surface in the direction of the air extraction channel (300) so as to gradually discharge gas between the adsorption surface (210) and the surface to be installed.

2. A suction cup device according to claim 1, wherein:

the adsorption surface (210) is a horn-shaped annular slope surface, and the depth of the annular slope surface is gradually increased along the radial inward direction of the air exhaust channel (300).

3. A suction cup device according to claim 2, wherein:

the slope of the annular slope surface is gradually increased along the radial inward direction of the air exhaust channel (300).

4. A suction cup device according to claim 2, wherein:

the slopes of the annular slopes are equal in a radially inward direction of the air extraction channel (300).

5. A suction cup device according to claim 2, wherein:

the projection of the annular slope surface on the horizontal plane is in a circular ring shape, an elliptical ring shape or a square-shaped shape.

6. A suction cup device according to claim 2, wherein:

the included angle between the shortest connecting line between the inner edge of the annular slope surface and the outer edge of the annular slope surface and the horizontal plane is theta, and the included angle satisfies the following conditions: theta is more than or equal to 0.12 degree and less than or equal to 4.6 degrees.

7. A suction cup device according to claim 2 or 6, wherein:

the radial dimension of annular domatic is a, the height dimension of annular domatic is b, satisfies: a is more than or equal to 5mm and less than or equal to 21mm, b is more than or equal to 0.02mm and less than or equal to 1.5mm.

8. A suction cup device according to claim 1, wherein:

the outer edge of the adsorption surface (210) is connected with an annular plane (220) which is arranged along the circumferential direction of the air exhaust channel (300).

9. The suction cup device according to claim 8, wherein:

the radial dimension of the annular plane (220) is c, satisfying: c is more than or equal to 0.5mm and less than or equal to 16.25mm.

10. The suction cup device according to claim 8, wherein:

the suction surface (210) and/or the annular flat surface (220) have a viscosity.

11. A suction cup device according to claim 1, wherein:

the adsorption surface (210) comprises a plurality of fan-shaped curved surfaces (211), the fan-shaped curved surfaces (211) are distributed around the circumference of the air extracting channel (300) at intervals, and an air guide channel (212) communicated with the air extracting channel (300) is arranged between the adjacent fan-shaped curved surfaces (211).

12. A suction cup device according to claim 1, wherein:

the sucking disc main part (100) include casing (110) and locate skeleton (120) of casing (110), skeleton (120) have the bottom surface and sink the groove for planar installation, the installation is equipped with adsorption colloid (200) in sinking the inslot, adsorption surface (210) are located the lower terminal surface of adsorption colloid (200).

13. The suction cup device according to claim 12, wherein:

the edge of the adsorption colloid (200) close to the air exhaust channel (300) is in a chamfer shape.

14. The suction cup device of claim 12, wherein:

the sucker main body (100) is provided with an air exhaust assembly (400) communicated with the air exhaust channel (300).

15. The suction cup device according to claim 14, wherein:

the air exhaust assembly (400) comprises a piston piece (410) and an operating rod (420), wherein the piston piece (410) is matched with the inner wall of the air exhaust channel (300), one end of the operating rod (420) is connected with the piston piece (410), and the other end of the operating rod (420) extends out of the air exhaust channel (300).

16. The suction cup device according to claim 15, wherein:

one end of the operating rod (420) extending out of the air exhaust channel (300) is provided with a pressing plate (421), the operating rod (420) is provided with a spring piece (500) in a penetrating mode, and two ends of the spring piece (500) are respectively abutted to the pressing plate (421) and the framework (120).

17. The suction cup device as claimed in claim 14, wherein the suction cup device comprises a suction cup body having a suction cup hole

The air exhaust assembly (400) comprises a one-way valve matched with the air exhaust channel (300) and an electric exhaust pump connected with the one-way valve.