Sealing structural element and electric suction cup

Abstract

The invention relates to the technical field of electric tools, and provides a sealing structure element which comprises an annular sealing structure, the two end faces of the annular sealing structure are communicated through a through hole, and a groove communicated with the through hole is formed in one end face. The invention further discloses an electric suction cup which comprises a handle, a suction cup component and a vacuum pump assembly, the suction cup component comprises the sealing structural element and a suction cup shell, and the sealing structural element is connected with one end face of the suction cup shell. A second closed negative pressure space is formed by the surface of the sucked object, the through hole and the groove of the sealing structure element and the end face, connected with the suction cup shell, of the sealing structure element. According to the electric suction cup, the through hole and the groove can be ingeniously formed in the sealing structure element, a second closed negative pressure space is formed, the suction force of the suction cup is improved, a product is more compact, the working efficiency is higher, and the reliability of the product is further improved.

Description

Technical Field

[0001] The present invention relates to the technical field of electric tools, and in particular to a sealing structural element and an electric suction cup. Background Art

[0002] The electric vacuum suction cup is an automated device based on electric drive. Its working principle is to generate negative pressure through a motor-driven pump or fan, thereby achieving the adsorption and fixation of objects. The device is mainly composed of core components such as a power unit (motor), a vacuum generating device (pump or fan), an adsorption actuator (suction cup), and an intelligent control system. With its efficient and precise operating characteristics, the electric suction cup has become an indispensable and important tool in modern industrial production. Electric suction cups are used to carry and fix a variety of materials such as metal plates, plastic plates, and glass plates, greatly improving production efficiency and operating accuracy. In logistics centers and warehouses, electric suction cups are used to carry and stack various types of goods, significantly improving handling efficiency and safety and reducing the risks of manual operation.

[0003] CN115367469A discloses an electric suction cup and an electric suction cup control method, wherein the electric suction cup comprises: a rubber disc, which is used to be adsorbed on an adsorbed object, and its adsorption surface can form a closed space with the adsorbed object; a handle, which is arranged on the rubber disc; a negative pressure forming component, which is used to automatically form a negative pressure environment between the rubber disc and the adsorbed object, so that the rubber disc is adsorbed on the adsorbed object; a negative pressure releasing component, which is used to release the negative pressure environment formed between the rubber disc and the adsorbed object; and an energy supply module, which is used to supply energy to the negative pressure forming component and / or the negative pressure releasing component. A controller is used to control the start and stop of the negative pressure vacuum pump, and to control the working state of the negative pressure forming component and / or the negative pressure releasing component.

[0004] CN222273409U discloses an electric suction cup, which includes a rubber disc, which is used to be adsorbed on an adsorbed object, and its adsorption surface can form a closed space with the adsorbed object; a handle, which is arranged on the rubber disc; a negative pressure forming component, which is used to automatically form a negative pressure environment between the rubber disc and the adsorbed object, so that the rubber disc is adsorbed on the adsorbed object; a negative pressure releasing component, which is used to release the negative pressure environment formed between the rubber disc and the adsorbed object; and an energy supply module, which is used to supply energy to the negative pressure forming component and / or the negative pressure releasing component. A controller is used to control the start and stop of the negative pressure vacuum pump, and is used to control the working state of the negative pressure forming component and / or the negative pressure releasing component.

[0005] CN118907844A discloses an intelligent electric suction cup, which includes a handle body and a suction cup, wherein the handle body is fixedly connected to the suction cup; the handle body includes a vacuum pump assembly and a shell, wherein the vacuum pump assembly can be fixed inside the shell; the suction cup includes a sealing disc assembly and a support assembly, wherein the sealing disc assembly is fixedly connected to the support assembly, wherein the sealing disc assembly includes a sealing disc of an annular structure and a plurality of separators, wherein the sealing disc is fixedly connected to the support assembly to form a first space region, wherein the plurality of separators can divide the first space region into a plurality of independent second space regions; the support assembly includes a vacuum port and a pressure relief port, wherein the vacuum port and the pressure relief port can be connected to the second space region through air holes.

[0006] In the prior art, electric suction cups, as a portable electric tool, have always faced technical bottlenecks in improving their adsorption pressure. Traditional solutions mainly rely on two approaches: one is to increase the volume of the enclosed space between the suction cup and the adsorption surface, and the other is to improve the working efficiency and power output of the vacuum pump. However, these methods not only significantly increase material costs and manufacturing difficulties, but also lead to an increase in the size and weight of the equipment, thereby limiting its application in scenarios with limited space or high portability requirements. Summary of the invention

[0007] After long-term practice, it is found that when the electric suction cup adsorbs the workpiece, if the adsorption pressure needs to be increased, the traditional method usually relies on increasing the volume of the enclosed space formed by the suction cup and the adsorption surface, or improving the efficiency and power of the vacuum pump. However, these methods not only increase material costs, but also lead to increased product volume, limiting its applicability in certain scenarios and other technical problems.

[0008] In view of this, the present invention provides a sealing structural element, which includes an annular sealing structure, wherein two end surfaces of the annular sealing structure are connected by a through hole, and a groove connected to the through hole is formed on one end surface.

[0009] In one embodiment, the annular sealing structure includes a sealing portion and a supporting portion, the sealing portion is connected to the supporting portion, and the supporting portion is formed with a flange connected to the through hole of the sealing portion.

[0010] In one embodiment, the flange can connect the through hole and the groove.

[0011] In one embodiment, an annular adsorption ring is formed inside the sealing portion.

[0012] The present invention also provides an electric suction cup, the electric suction cup comprises a handle and a suction cup component, and a vacuum pump assembly, the handle is fixedly connected to the suction cup component, the vacuum pump assembly is fixedly connected to the inner wall of the handle, the suction cup component comprises the sealing structural element and the suction cup housing as described above, the sealing structural element is connected to one end surface of the suction cup housing;

[0013] When the electric suction cup is attached to the surface of the object, the inner ring side surface of the sealing structure element, the surface of the adsorbed object, and the end surface of the sealing structure element connected to the suction cup housing form a first closed negative pressure space;

[0014] When the electric suction cup is attached to the surface of the object, the surface of the object being attached, the through hole and the groove of the sealing structural element, and the end surface of the sealing structural element connected to the suction cup housing form a second closed negative pressure space;

[0015] The first closed negative pressure space and the second closed negative pressure space can be connected to the air inlet pipe of the vacuum pump assembly through the airway through hole of the suction cup shell.

[0016] In one embodiment, the handle is provided with an exhaust through hole connected to the exhaust pipe of the vacuum pump assembly.

[0017] In one embodiment, the exhaust hole is provided at the connection interface between the handle and the suction cup shell.

[0018] In one embodiment, the sealing structural element is detachably connected to the suction cup housing.

[0019] In one embodiment, the first closed negative pressure space is connected to the second closed negative pressure space through the groove.

[0020] In one embodiment, the electric suction cup further comprises a battery module fixed to the outside of the handle, and the battery module is electrically connected to the vacuum pump assembly.

[0021] Compared with the prior art, the present invention provides a sealing structure element, which connects the two end faces of the annular sealing structure through a through hole, and forms a groove connected to the through hole on one end face. The through hole of the annular sealing structure can form an auxiliary sealed negative pressure space, and when the electric suction cup is working, the adsorption capacity and efficiency are improved without increasing the material cost, product volume, etc. The present invention also provides an electric suction cup, including a handle and a suction cup component, a vacuum pump assembly, and the suction cup component includes a sealing structure element and a suction cup shell as described above, and the sealing structure element is connected to an end face of the suction cup shell. When the electric suction cup is adsorbed on the surface of the object, the inner ring side surface of the sealing structure element, the surface of the adsorbed object, and the end face of the sealing structure element connected to the suction cup shell form a first closed negative pressure space. When the electric suction cup is adsorbed on the surface of the object, the surface of the adsorbed object, the through hole of the sealing structure element, the groove, and the end face of the sealing structure element connected to the suction cup shell form a second closed negative pressure space. The second closed negative pressure space is an auxiliary sealed negative pressure space, which can increase the adsorption force of the electric suction cup and improve efficiency. The first closed negative pressure space and the second closed negative pressure space can be connected to the air intake pipe of the vacuum pump assembly through the airway through hole of the suction cup housing. The electric suction cup can cleverly set through holes and grooves in the sealing structural element to form a second closed negative pressure space, improve the suction force of the suction cup, make the product more compact, and have higher working efficiency, further improving the reliability of the product.

[0022] Other features and advantages of the present invention will be described in detail in the following detailed description. BRIEF DESCRIPTION OF THE DRAWINGS

[0023] The accompanying drawings constituting a part of the present invention are used to provide a further understanding of the present invention. The schematic embodiments of the present invention and the description thereof are used to explain the present invention and do not constitute improper limitations on the present invention.

[0024] In the attached picture:

[0025] Figure 1 This is a schematic structural diagram of a sealing structural element according to an embodiment of the present invention;

[0026] Figure 2 A schematic diagram of the sealing structure of an annular sealing structure according to an embodiment of the present invention;

[0027] Figure 3 This is a schematic structural diagram of a support portion of an annular sealing structure according to an embodiment of the present invention;

[0028] Figure 4 This is a schematic structural diagram of a support portion of an annular sealing structure according to another embodiment of the present invention;

[0029] Figure 5This is a schematic diagram of the structure of an electric suction cup according to an embodiment of the present invention;

[0030] Figure 6 This is a schematic diagram of the bottom surface of an electric suction cup structure according to an embodiment of the present invention;

[0031] Figure 7 It is a schematic diagram of the suction cup shell structure in an electric suction cup structure according to an embodiment of the present invention.

[0032] Description of reference numerals:

[0033] 1 annular sealing structure 2 through hole

[0034] 3 grooves 4 handles

[0035] 5 suction cup component 6 suction cup shell

[0036] 11 sealing part 12 supporting part

[0037] 14 annular adsorption ring 13 flange

[0038] 21 airway through hole 51 exhaust through hole DETAILED DESCRIPTION

[0039] The specific implementation of the present invention is described in detail below in conjunction with the accompanying drawings. It should be understood that the specific implementation described here is only used to illustrate and explain the present invention, and is not used to limit the present invention.

[0040] In order to enable those skilled in the art to better understand the scheme of the present invention, the technical scheme in the embodiments of the present invention will be clearly and completely described below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work should fall within the scope of protection of the present invention.

[0041] It should be noted that the terms "first", "second", "third", etc. in the specification and claims of the present invention and the above-mentioned drawings are used to distinguish similar objects, and are not necessarily used to describe a specific order or sequence. It should be understood that the data used in this way can be interchanged where appropriate, so as to describe the embodiments of the present invention described herein. In addition, the terms "including" and "having" and any variations thereof are intended to cover non-exclusive inclusions, for example, a process, method, system, product or device that includes a series of steps or units is not necessarily limited to those steps or units clearly listed, but may include other steps or units that are not clearly listed or inherent to these processes, methods, products or devices.

[0042] In the prior art, when the electric suction cup adsorbs the workpiece, if the adsorption pressure needs to be increased, the traditional method usually relies on increasing the volume of the enclosed space formed by the suction cup and the adsorption surface, or improving the working efficiency and power of the vacuum pump. However, these methods not only increase the material cost, but also lead to technical problems such as increased product volume and limited applicability in certain scenarios. Figure 1-7 As shown, the present invention provides a sealing structural element, which includes an annular sealing structure 1, wherein two end faces of the annular sealing structure 1 are connected by a through hole 2, and a groove 3 connected to the through hole 2 is formed on one end face.

[0043] The present invention provides a sealing structural element, in which through holes on two end faces of an annular sealing structure are mutually connected, and a groove connected to the through hole is provided on one of the end faces. This structural design enables the through hole of the annular sealing structure to form an auxiliary sealed negative pressure space. When working, the sealing structural element can not only effectively isolate the outside air and ensure the sealing of the adsorption process, but the through hole designed inside it also cleverly plays a role in forming negative pressure. By utilizing the optimized design of the original structure, the element achieves a significant improvement in the adsorption force without adding additional materials or changing the overall volume. This innovative design not only improves the working efficiency of the electric suction cup, but also fully reflects the ingenuity and practicality of the structural design.

[0044] During the operation of the electric suction cup, the sealing structural element can better achieve the circumferential sealing effect through deformation, and at the same time form a firm connection with one end face of the suction cup housing 6. In a more preferred case of the present invention, the annular sealing structure 1 includes a sealing portion 11 and a supporting portion 12, wherein the sealing portion 11 is connected to the supporting portion 12, and the supporting portion 12 is formed with a flange 13 connected to the through hole 2 of the sealing portion 11. Among them, the supporting portion 12 is made of silicone material or rubber, and its structural strength is significantly higher than the material used in the sealing portion. This design not only ensures that the supporting portion can provide sufficient mechanical support during the operation of the electric suction cup, but also enhances the overall adaptability of the sealing structural element through the flexibility of the silicone material. At the same time, the sealing portion 11 adopts a relatively soft foam sealing ring, which can better fit the adsorption surface and achieve an efficient sealing effect. In order to adsorb many objects with rough surfaces and have a wider range of applications, the Shore Hardness of the sealing portion 11 is usually 10-15 degrees. Not only the sealing performance is enhanced, but also the connection between the sealing part 11 and the supporting part 12 is made more firmly through the connection between the flange 13 and the through hole 2, and the negative pressure formation effect is further optimized, thereby improving the overall adsorption capacity and working efficiency of the electric suction cup.

[0045] In order to connect the cavities of the through hole 2 to each other and subsequently connect them to the air intake pipe of the vacuum pump assembly, in a more preferred case of the present invention, the flange 13 can connect the through hole 2 and the groove 3. For example, the flange 13 is processed into a hollow inner cavity, and the outer side surface of the flange 13 is circumferentially interference-fitted with the inner side surface of the through hole 2. In order to more conveniently connect the flange 13 to the through hole 2, the flange 13 is preferably cylindrical.

[0046] In order to better apply to objects with rough surfaces, in a more preferred embodiment of the present invention, an annular adsorption ring 14 is formed inside the support portion 12. In order to better form a closed negative pressure space, the annular adsorption ring 14 forms an annular flange portion toward the surface of the adsorbed object, and the height of the flange portion protruding relative to the end surface where the support portion 12 and the sealing portion 11 are connected is less than the flange 13. For example, when the electric suction cup is in contact with the surface of the adsorbed object, the sealing portion 11 will be extremely compressed, the annular adsorption ring 14 will also form a vacuum, and will produce an adsorption effect, further improving the adsorption force of the electric suction cup.

[0047] The present invention further provides an electric suction cup, which includes a handle 4, a suction cup component 5, and a vacuum pump assembly. The handle 4 is fixedly connected to the suction cup component 5, and the vacuum pump assembly is fixedly connected to the inner wall of the handle 4. The suction cup component 5 includes the sealing structural element and the suction cup housing as described above, and the sealing structural element is connected to one end surface of the suction cup housing 6.

[0048] When the electric suction cup is attached to the surface of the object, the inner ring side surface of the sealing structure element, the surface of the adsorbed object, and the end surface of the sealing structure element connected to the suction cup housing form a first closed negative pressure space;

[0049] When the electric suction cup is attached to the surface of the object, the surface of the object being attached, the through hole 2 and the groove 3 of the sealing structural element, and the end surface of the sealing structural element connected to the suction cup housing 6 form a second closed negative pressure space;

[0050] The first closed negative pressure space and the second closed negative pressure space can be connected to the air inlet pipe of the vacuum pump assembly through the airway through hole 21 of the suction cup shell 6.

[0051] The present invention also provides an electric suction cup, including a handle 4 and a suction cup component 5, and a vacuum pump assembly, wherein the suction cup component 5 includes a sealing structural element and a suction cup shell 6 as described above, and the sealing structural element is connected to an end face of the suction cup shell 6. When the electric suction cup is in contact with the surface of the adsorbed object, the inner ring side surface of the sealing structural element, the surface of the adsorbed object, and the end face where the sealing structural element is connected to the suction cup shell 6 form a first closed negative pressure space. When the electric suction cup is in contact with the surface of the adsorbed object, the surface of the adsorbed object, the through hole 2, the groove 3 of the sealing structural element, and the end face where the sealing structural element is connected to the suction cup shell 6 form a second closed negative pressure space. The second closed negative pressure space is an auxiliary sealed negative pressure space, which can increase the adsorption force of the electric suction cup and improve efficiency. The first closed negative pressure space and the second closed negative pressure space can be connected to the air intake pipe of the vacuum pump assembly through the airway through hole 21 of the suction cup shell 6. The electric suction cup can cleverly provide through holes and grooves in the sealing structural element to form a second closed negative pressure space, thereby improving the adsorption force of the suction cup, making the product more compact and more efficient, and further improving the reliability of the product.

[0052] In order to discharge the gas extracted from the first closed negative pressure space and the second closed negative pressure space during the operation of the electric suction cup to the external environment of the electric suction cup, the gas is avoided from accumulating inside the suction cup, ensuring that the vacuum pump assembly can work continuously and stably, thereby improving the overall working efficiency of the electric suction cup. In a more preferred case of the present invention, the handle 4 is provided with an exhaust through-hole connected to the exhaust pipe of the vacuum pump assembly. In order to make full use of the existing structural space and avoid the additional addition of complex exhaust pipes or external interfaces, the overall structure is simplified, the number of parts and the difficulty of assembly are reduced, thereby reducing the manufacturing cost. In a more preferred case of the present invention, the exhaust through-hole is arranged at the connection interface between the handle 4 and the suction cup housing. The gas exhaust path is kept away from the main gripping area of ​​the operator to avoid airflow interference or discomfort that may occur during the exhaust process.

[0053] In order to make the sealing structure element convenient to be removed from the suction cup housing for cleaning, maintenance or replacement, in a more preferred embodiment of the present invention, the sealing structure element is detachably connected to the suction cup housing. Preferably, bonding is adopted. The sealing structure element and the suction cup housing are connected by bonding. Bonding can not only ensure the tightness and sealing of the connection part, but also effectively prevent gas leakage, thereby further improving the adsorption performance of the electric suction cup.

[0054] In order to make the electric suction cup maintain a uniform negative pressure in both the first closed negative pressure space and the second closed negative pressure space when it is working. In a more preferred case of the present invention, the first closed negative pressure space is connected to the second closed negative pressure space through the groove 3. The pressure in the first closed negative pressure space is kept consistent with that in the second closed negative pressure space. In a more preferred case, both the first closed negative pressure space and the second closed negative pressure space can be connected to the air intake pipe of the vacuum pump assembly through the airway through hole 21 separately.

[0055] In order to provide working power to the electric suction cup, in a more preferred embodiment of the present invention, the electric suction cup further includes a battery module fixed to the outside of the handle 4, and the battery module is electrically connected to the vacuum pump assembly.

[0056] It should be noted that, for the above-mentioned method embodiments, for the sake of simplicity, they are all described as a series of action combinations, but those skilled in the art should know that the present invention is not limited by the described action sequence, because according to the present invention, certain steps can be performed in other sequences or simultaneously. Secondly, those skilled in the art should also know that the embodiments described in the specification are all preferred embodiments, and the actions and modules involved are not necessarily required by the present invention.

[0057] In the above embodiments, the description of each embodiment has its own emphasis. For parts that are not described in detail in a certain embodiment, reference can be made to the relevant descriptions of other embodiments.

[0058] In the several embodiments provided by the present invention, it should be understood that the disclosed device can be implemented in other ways. For example, the device embodiments described above are only schematic, such as the division of the units, which is only a logical function division. There may be other division methods in actual implementation, such as multiple units or components can be combined or integrated into another system, or some features can be ignored or not executed. Another point is that the mutual coupling or direct coupling or communication connection shown or discussed can be through some interfaces, and the indirect coupling or communication connection of devices or units can be electrical or other forms.

[0059] The units described as separate components may or may not be physically separated, and the components shown as units may or may not be physical units, that is, they may be located in one place or distributed on multiple network units. Some or all of the units may be selected according to actual needs to achieve the purpose of the solution of this embodiment.

[0060] In addition, each functional unit in each embodiment of the present invention may be integrated into one processing unit, or each unit may exist physically separately, or two or more units may be integrated into one unit. The above-mentioned integrated unit may be implemented in the form of hardware or in the form of software functional units.

[0061] If the integrated unit is implemented in the form of a software functional unit and sold or used as an independent product, it can be stored in a computer-readable storage medium. Based on this understanding, the technical solution of the present invention, in essence, or the part that contributes to the prior art, or all or part of the technical solution can be embodied in the form of a software product, and the computer software product is stored in a storage medium, including a number of instructions for a computer device (which can be a personal computer, a mobile terminal, a server or a network device, etc.) to perform all or part of the steps of the method described in each embodiment of the present invention. The aforementioned storage medium includes: U disk, read-only memory (ROM, Read-Only Memory), random access memory (RAM, Random Access Memory), mobile hard disk, disk or optical disk and other media that can store program codes.

[0062] The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention. For those skilled in the art, the present invention may have various modifications and variations. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present invention shall be included in the protection scope of the present invention.

Claims

1. A sealing structural element, characterized in that: The sealing structural element comprises an annular sealing structure (1), the two end faces of the annular sealing structure (1) are connected by a through hole (2), and a groove (3) connected to the through hole (2) is formed on one end face.

2. The sealing structural element according to claim 1, characterized in that: The annular sealing structure (1) comprises a sealing portion (11) and a supporting portion (12); the sealing portion (11) is connected to the supporting portion (12); and the supporting portion (12) is formed with a flange (13) connected to a through hole (2) of the sealing portion (11).

3. The sealing structural element according to claim 2, characterized in that: The flange (13) can connect the through hole (2) and the groove (3).

4. The sealing structural element according to any one of claims 1 to 3, characterized in that: An annular adsorption ring (14) is formed inside the support portion (12).

5. An electric suction cup, comprising a handle (4), a suction cup component (5), and a vacuum pump assembly, wherein the handle (4) is fixedly connected to the suction cup component (5), and the vacuum pump assembly is fixedly connected to the inner wall of the handle (4), characterized in that: The suction cup component (5) comprises a sealing structural element as claimed in any one of claims 1 to 4 and a suction cup shell, wherein the sealing structural element is connected to an end surface of the suction cup shell; When the electric suction cup is in contact with the surface of an adsorbed object, the inner ring side surface of the sealing structural element, the surface of the adsorbed object, and the end surface where the sealing structural element is connected to the suction cup housing (6) form a first closed negative pressure space; When the electric suction cup is in contact with the surface of an object, the surface of the object being sucked, the through hole (2) and the groove (3) of the sealing structural element, and the end surface where the sealing structural element is connected to the suction cup housing (6) form a second closed negative pressure space; The first closed negative pressure space and the second closed negative pressure space can be connected to the air inlet pipe of the vacuum pump assembly through the airway through hole (21) of the suction cup housing (6).

6. The electric suction cup according to claim 5, characterized in that: The handle (4) is provided with an exhaust through hole (51) which is in communication with an exhaust pipe of the vacuum pump assembly.

7. The electric suction cup according to claim 6, characterized in that: The exhaust through hole (51) is arranged at the connection interface between the handle (4) and the suction cup housing (6).

8. The electric suction cup according to claim 5, characterized in that: The sealing structural element is detachably connected to the suction cup housing (6).

9. The electric suction cup according to claim 5, characterized in that: The first closed negative pressure space is connected to the second closed negative pressure space through the groove (3).

10. The electric suction cup according to any one of claims 5 to 8, characterized in that: The electric suction cup also includes a battery module fixed to the outside of the handle (4), and the battery module is electrically connected to the vacuum pump assembly.

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