Vacuum chuck

Abstract

The utility model discloses a vacuum chuck, including base element, support element, sealing element and air extraction device, base element has upper surface and with the lower surface opposite to upper surface, base element still sets through the air extraction hole of upper surface and lower surface, support element is attached to the lower surface of base element, sealing element is attached to the below of support element and has with the adsorption surface of the adsorbed object engagement, sealing element is elastically deformable at least in adsorption surface, the elasticity of sealing element is greater than the elasticity of support element, and the rigidity of support element is less than the rigidity of base element, and the lower surface of sealing element, support element and base element forms adsorption cavity, air extraction device is installed to the upper surface of base element, and is communicated with air extraction hole, is used for the air extraction from adsorption cavity. This vacuum chuck can be used for adsorbing the object of relatively big weight, and support element is used for supporting sealing element, and enhances the service life of sealing element.

Description

Technical Field

[0001] This application relates to adsorption devices, and more particularly to a vacuum suction cup. Background Technology

[0002] Lithium-ion battery suction cups are a common type of power tool, consisting of a suction cup surface, a vacuum pump, and a handle. Specifically, the vacuum pump creates negative pressure, allowing the suction cup surface to adhere to objects, which are then moved by holding the handle. Lithium-ion battery suction cups are typically used for moving heavy objects such as large tiles, wooden boards, and glass, and therefore have a relatively large suction cup area. Existing large lithium-ion battery suction cups generally use a single-layer sealing ring. However, a sealing ring that is too soft is prone to deformation and may fail after prolonged use; while a sealing ring that is too hard results in poor adhesion, making it unable to adhere to rough surfaces and thus failing to achieve the desired effect. Utility Model Content

[0003] This utility model provides a vacuum suction cup that can both adhere to rough, fuzzy surfaces and is durable. The vacuum suction cup includes:

[0004] A base element having an upper surface and a lower surface opposite to the upper surface, and the base element further having an air extraction hole penetrating the upper surface and the lower surface;

[0005] A support element that is attached to and protrudes from the lower surface of the base element;

[0006] A sealing element is attached to the lower part of the support element and has an adsorption surface that engages with the adsorbed object. The sealing element is elastically deformable at least on the adsorption surface. The elasticity of the sealing element is greater than that of the support element, and the rigidity of the support element is less than that of the base element. The lower surfaces of the sealing element, the support element, and the base element form an adsorption cavity.

[0007] An air extraction device is installed on the upper surface of the base element and communicates with the air extraction hole for extracting air from the adsorption chamber.

[0008] Furthermore, the base element has an outer sidewall, the lower surface has an inner sidewall, the outer sidewall, the inner sidewall and the lower surface form a groove, the support element is installed in the groove, the sealing element is attached to the lower part of the support element, and the sealing element protrudes from the outer sidewall and the inner sidewall of the base element when it undergoes maximum deformation.

[0009] Furthermore, the groove of the base element is annular, the support element and the sealing element are both annular, the support element is installed in the annular groove, and the sealing element is attached to the lower part of the support element.

[0010] Furthermore, the support element is fully installed within the groove, the sealing element is at least partially installed within the groove, or the support element is flush with the inner sidewall.

[0011] Furthermore, the support element at least partially protrudes from the inner sidewall.

[0012] Furthermore, the lower surface of the base element is provided with a grid-like reinforcing rib, and a support block is installed in at least one grid formed by the reinforcing rib.

[0013] Furthermore, the support block protrudes from the base element to a lesser extent than the sealing element protrudes from the base element.

[0014] Furthermore, the sealing element is attached to the lower part of the support block.

[0015] Furthermore, the materials of the support element and the sealing element include rubber, silicone, or closed-cell foam.

[0016] Furthermore, a handle is provided on the upper surface of the base element, and the air extraction device is disposed inside the handle. The air extraction device includes a vacuum pump and a motor, and the motor is used to drive the vacuum pump to extract air.

[0017] Beneficial Effects: The vacuum suction cup of this invention has a supporting element and a sealing element. The supporting element is disposed between the base element and the sealing element, i.e., the supporting element and the sealing element are a double-layer design. The lower sealing element has high elasticity and is easily deformed, thus resulting in good adsorption. The elasticity of the upper supporting element is lower than that of the sealing element. Therefore, the supporting element supports the sealing element, and even if the vacuum suction cup adsorbs a heavy object, the sealing element will not be excessively deformed, and the sealing element will not fail after long-term use. Therefore, this vacuum suction cup can adsorb heavy objects and maintain a good adsorption effect even after long-term use. Attached Figure Description

[0018] Figure 1 This is a perspective view of the vacuum suction cup in an embodiment of this utility model.

[0019] Figure 2 This is an exploded view of the vacuum suction cup in an embodiment of this utility model.

[0020] Figure 3 This is a schematic diagram of the base element in an embodiment of this utility model.

[0021] Figure 4 This is a cross-sectional view of the vacuum suction cup in an embodiment of this utility model.

[0022] Reference numerals: Vacuum suction cup - 100; Base element - 1; Upper surface - 11; Lower surface - 12; Outer side wall - 13; Inner side wall - 14; Groove - 15; Reinforcing rib - 16; Air extraction hole - 17; Pressure relief hole - 18; Pressure measuring hole - 19;

[0023] Support element-2; support block-21; sealing element-3; adsorption surface-30; air extraction device-4; vacuum pump-41; motor-42; handle-5; column-51, 52; horizontal handle-53; solenoid valve-6. Detailed Implementation

[0024] Exemplary embodiments will now be described in detail, examples of which are illustrated in the accompanying drawings. When the following description relates to the drawings, unless otherwise indicated, the same numerals in different drawings denote the same or similar elements. The embodiments described in the following exemplary embodiments do not represent all embodiments consistent with this application.

[0025] The terminology used in this application is for the purpose of describing particular embodiments only and is not intended to limit the application. Unless otherwise defined, the technical or scientific terms used in this application should be understood in their ordinary sense by one of ordinary skill in the art to which this utility model pertains. The terms "first," "second," and similar terms used in this application do not indicate any order, quantity, or importance, but are merely used to distinguish different components. Similarly, the terms "a" or "one" and similar terms do not indicate a quantity limitation, but rather indicate the presence of at least one. "A plurality" or "several" indicates two or more. Unless otherwise indicated, the terms "front," "rear," "lower," and / or "upper" and similar terms are for ease of description only and are not limited to a location or spatial orientation. The terms "comprising" or "including" and similar terms mean that the elements or objects preceding "comprising" or "including" encompass the elements or objects listed following "comprising" or "including" and their equivalents, and do not exclude other elements or objects. The terms "connected" or "linked" and similar terms are not limited to physical or mechanical connections and can include electrical connections, whether direct or indirect. The singular forms “a,” “the,” and “the” used in this application specification and appended claims are also intended to include the plural forms unless the context clearly indicates otherwise. It should also be understood that the term “and / or” as used herein refers to and includes any or all possible combinations of one or more of the associated listed items.

[0026] like Figure 1 and 3As shown, the vacuum suction cup 100 includes a base element 1 having an upper surface 11 and a lower surface 12 opposite to the upper surface 11. The base element 1 also includes an outer sidewall 13 disposed around its perimeter. The lower surface 12 of the base element 1 is provided with an inner sidewall 14, which divides the lower surface 12 into a central region 101 and an edge region 102, the edge region 102 surrounding the central region 101. The central region 101 is provided with a suction port 17, which penetrates both the upper surface 11 and the lower surface 12 of the base element 1. Figure 2 and 4 As shown, a support element 2 is installed on the edge region 102, and a sealing element 3 is attached below the support element 2. The sealing element 3 has an adsorption surface 30 that engages with the adsorbed object, and the sealing element 3 is elastically deformable at least on the adsorption surface 30. The elasticity of the sealing element 3 is greater than that of the support element 2. The sealing element 3, the support element 2, and the lower surface 12 of the base element 1 form an adsorption cavity. The vacuum suction cup 100 also includes an air extraction device 4, which is installed on the upper surface 11 of the base element 1 and communicates with an air extraction hole 17 for extracting air from the adsorption cavity.

[0027] The sealing element 3 is capable of elastic deformation to contact the adsorbed object. When the suction device 4 operates and evacuates air from the adsorption chamber, a negative pressure is generated in the adsorption chamber, causing the sealing element 3 to deform and the adsorption surface 30 to contact the adsorbed object. This vacuum suction cup 100 can adsorb heavy objects and can adsorb both smooth and rough surfaces. To prevent excessive deformation and compression of the sealing element 3, which could lead to adsorption failure, a support element 2 is added between the sealing element 3 and the base element 1, resulting in a double-layer design of the support element 2 and the sealing element 3. The elasticity of the support element 2 is less than that of the sealing element 3. Therefore, the support element 2 is less prone to deformation than the sealing element 3, providing support for the sealing element 3, preventing wear, and improving the durability of the sealing element 3. Thus, the support element 2 extends the service life of the sealing element 3.

[0028] In addition, in this embodiment, the rigidity of the base element 1 is greater than that of the support element 2.

[0029] Preferred, such as Figure 3 As shown, the outer sidewall 13, inner sidewall 14, and lower surface 12 of the base element 1 form an annular groove 15. The support element 2 and the sealing element 3 are both annular; the support element 2 is installed within the annular groove 15, and the sealing element 3 is attached to the underside of the support element 2. Figure 4As shown, in one embodiment, the support element 2 is fully installed within the annular groove 15, and the sealing element 3 is at least partially installed within the annular groove 15. In another embodiment, the support element 2 may be flush with the inner wall 14 of the annular groove 15, and the sealing element 3 may be attached to the support element 2. Alternatively, in another embodiment, the support element 2 may at least partially protrude from the inner wall 14.

[0030] In this embodiment, the sealing element 3 is attached to the support element 2 with an adhesive, and the support element 2 is attached to the lower surface 12 of the base element 1 with an adhesive.

[0031] like Figure 3 As shown, the lower surface 12 of the base element 1 has several reinforcing ribs 16 arranged in a grid pattern in the central region. The support element 2 also includes several intermittent support blocks 21, which are embedded in the grid formed by the reinforcing ribs 16. In this embodiment, the degree to which the support block 21 protrudes from the base element 1 is less than the degree to which the sealing element 3 protrudes from the base element 1. Preferably, a sealing element 3 is also attached below the support block 21.

[0032] In this embodiment, the materials of the support element 2 and the sealing element 3 include rubber, silicone, or closed-cell foam.

[0033] like Figure 2 and 4 As shown, the vacuum suction cup 100 has a handle 5 on the upper surface 11 of the base element 1, and the air extraction device 4 is disposed in the handle 5. The air extraction device 4 includes a vacuum pump 41 and a motor 42, and the motor 42 is used to drive the vacuum pump 41 to extract air.

[0034] Specifically, in this embodiment, such as Figure 4 As shown, the handle 5 of the vacuum suction cup 100 is a U-shaped handle 5, which has two columns 51 and 52 and a horizontal handle 53 connecting the two columns. One column 51 houses the vacuum pump 4, and the other column 52 houses the solenoid valve 6. The base element 1 has a vacuum port 17, a pressure relief port 18, and a pressure measuring port 19. The vacuum port 17 and the pressure measuring port 19 are connected to the vacuum pump 41 of the vacuum pump 4, and the pressure relief port 18 is connected to the solenoid valve 6. The handle 5 of the vacuum suction cup 100 also has a control board, which is electrically connected to the vacuum pump 4 and the solenoid valve 6. The end face of the handle 5 is also equipped with a start switch, a pressure relief switch, etc., for controlling the vacuum pump 100's vacuum pumping and pressure relief.

[0035] Preferably, in this embodiment, the vacuum suction cup 100 is powered by a battery pack. The battery cells can be installed inside the column 52, or an external battery pack can be plugged into one of the columns 52.

[0036] The above description is merely a preferred embodiment of this application and is not intended to limit this application in any way. Although this application has disclosed the preferred embodiment as above, it is not intended to limit this application. Any person skilled in the art can make some modifications or alterations to the above-disclosed technical content to create equivalent embodiments without departing from the scope of the technical solution of this application. Any simple modifications, equivalent changes, and alterations made to the above embodiments based on the technical essence of this application without departing from the content of the technical solution of this application shall still fall within the scope of the technical solution of this application.

Claims

1. A vacuum suction cup, characterized in that, include: A base element having an upper surface and a lower surface opposite to the upper surface, and the base element further having an air extraction hole penetrating the upper surface and the lower surface; A support element that is attached to and protrudes from the lower surface of the base element; A sealing element is attached to the lower part of the support element and has an adsorption surface that engages with the adsorbed object. The sealing element is elastically deformable at least on the adsorption surface. The elasticity of the sealing element is greater than that of the support element, and the rigidity of the support element is less than that of the base element. The lower surfaces of the sealing element, the support element, and the base element form an adsorption cavity. An air extraction device is installed on the upper surface of the base element and communicates with the air extraction hole for extracting air from the adsorption chamber.

2. The vacuum suction cup according to claim 1, characterized in that, The base element has an outer sidewall, and the lower surface has an inner sidewall. The outer sidewall, the inner sidewall, and the lower surface form a groove. The support element is installed in the groove, and the sealing element is attached to the lower part of the support element. When the sealing element undergoes maximum deformation, it protrudes from the outer sidewall and the inner sidewall of the base element.

3. The vacuum suction cup according to claim 2, characterized in that, The groove of the base element is annular, the support element and the sealing element are also annular, the support element is installed in the annular groove, and the sealing element is attached to the lower part of the support element.

4. The vacuum suction cup according to claim 2, characterized in that, The support element is fully installed within the groove, the sealing element is at least partially installed within the groove, or the support element is flush with the inner sidewall.

5. The vacuum suction cup according to claim 2, characterized in that, The support element protrudes at least partially from the inner sidewall.

6. The vacuum suction cup according to claim 1, characterized in that, The lower surface of the base element is provided with a grid-like reinforcing rib, and a support block is installed in at least one grid formed by the reinforcing rib.

7. The vacuum suction cup according to claim 6, characterized in that, The support block protrudes from the base element to a lesser extent than the sealing element protrudes from the base element.

8. The vacuum suction cup according to claim 6, characterized in that, The sealing element is attached to the lower part of the support block.

9. The vacuum suction cup according to claim 1, characterized in that, The materials of the support element and the sealing element include rubber, silicone, or closed-cell foam.

10. The vacuum suction cup according to claim 1, characterized in that, A handle is provided on the upper surface of the base element, and the air extraction device is disposed inside the handle. The air extraction device includes a vacuum pump and a motor, and the motor is used to drive the vacuum pump to extract air.

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