Electric sucker

Abstract

The utility model discloses an electric suction cup which comprises a suction cup body and a vacuum pump, an adsorption face is formed at the bottom of the suction cup body, and an air port of the vacuum pump is communicated with the adsorption face. A rubber strip is arranged on the adsorption face in a protruding mode, the rubber strip is arranged in the circumferential direction of the suction cup body in a surrounding mode, and the rubber strip is detachably connected with the suction cup body. According to the utility model, the adhesive tape part, which is used for being in direct contact with the surface of an object to realize adsorption, on the surface of the sucking disc is detachably designed, so that a user can directly detach the adhesive tape part from the sucking disc body during daily maintenance and cleaning, sufficient cleaning operation such as washing can be carried out, the operation is more portable and easier, and the cleaning can be more thorough; and the inner concave part is designed on the adhesive tape, so that the air tightness is effectively ensured through the deformation of the inner concave part in the adsorption work, and the influence of a gap caused by a detachable design is reasonably avoided.

Description

Technical Field

[0001] The utility model belongs to the field of electric tools and relates to an electric suction cup. Background Art

[0002] As a common power tool, handheld electric suction cups are mainly used to grab and move objects with flat surfaces, such as glass, tiles, various types of boards, etc. Its specific structure includes a suction cup surface, a vacuum pump and a handle. The vacuum pump draws out the air between the suction cup surface and the surface of the object to form a negative pressure, providing adsorption force, and then the handle is manually held for transportation.

[0003] However, in most application scenarios of electric suction cups, the influence of small particles such as dust is unavoidable. Dust will adhere to the surface of the object or the surface of the suction cup, affecting the fit, and creating gaps during adsorption that destroy the airtightness, thereby failing to meet the adsorption force requirements. In severe cases, there is a risk of the object falling. Existing suction cup structures are mostly integrated. When cleaning the dust on the suction cup surface, it is necessary to pick up the entire suction cup to operate. On the one hand, the operation is not convenient enough, and on the other hand, the inconvenient operation will also affect the method and effect of cleaning, which increases the difficulty and tediousness of daily maintenance. Utility Model Content

[0004] In order to overcome the deficiencies of the prior art, the utility model provides an electric suction cup.

[0005] In order to achieve the above purpose, the utility model adopts the following technical solutions:

[0006] An electric suction cup comprises a suction cup body and a vacuum pump, wherein the bottom of the suction cup body forms an adsorption surface, and the air port of the vacuum pump is connected to the adsorption surface; a rubber strip is protruding from the adsorption surface, and the rubber strip is arranged around the circumference of the suction cup body and is detachably connected to the suction cup body.

[0007] Furthermore, a first clamping portion and a second clamping portion are provided on the circumferential side of the suction cup body, respectively used to clamp with the inner ring and the outer ring of the rubber strip.

[0008] Furthermore, an inner concave portion is provided on the top of the rubber strip, and the top surface of the inner concave portion is depressed downward to form a set arc, and an annular groove for the inner concave portion to extend into is provided on the suction cup body.

[0009] Furthermore, the rubber strip is made of rubber.

[0010] Furthermore, a paddle is provided on the peripheral side of the rubber strip.

[0011] Furthermore, a pressure gauge is provided on the suction cup body, and a gauge head of the pressure gauge is provided on the adsorption surface.

[0012] Furthermore, it also includes a handle, which is arranged above the suction cup body.

[0013] Furthermore, it also includes a control unit for controlling the on and off of the vacuum pump, the control unit is arranged in the handle, the control unit includes an air suction switch and a pressure relief switch, and the air suction switch and the pressure relief switch are both arranged on the same side of the handle.

[0014] In summary, the utility model is beneficial in that:

[0015] The utility model adopts a detachable design for the rubber strip part on the suction cup surface that is used for directly contacting the surface of the object to realize adsorption. During daily maintenance and cleaning, the user can directly remove it from the suction cup body to perform sufficient cleaning operations such as washing with water. The operation is more portable and easy, and the cleaning can be more thorough. In addition, by designing an inner concave part on the rubber strip, the air tightness is effectively guaranteed by the deformation of the inner concave part during the adsorption work, and the influence of the gap caused by the detachable design is reasonably avoided. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 It is a structural schematic diagram of the utility model.

[0017] Figure 2 for Figure 1 Schematic diagram of the structure when the middle rubber strip is removed.

[0018] Figure 3 for Figure 2 Schematic diagram of the structure from the bottom perspective.

[0019] Figure 4 It is a schematic diagram of the cross-sectional structure when the suction cup body and the rubber strip are separated.

[0020] Figure 5 for Figure 4 Schematic diagram of the cross-sectional structure when the middle suction cup body is combined with the rubber strip.

[0021] Markings in the figure: 1. Suction cup body; 11. Pressure gauge; 12. Pick; 13. Annular groove; 131. First clamping part; 132. Second clamping part; 2. Handle; 21. Shell assembly; 22. Suction switch; 23. Pressure relief switch; 3. Rubber strip; 31. Inner recess; 32. Edge binding; 33. Fin. DETAILED DESCRIPTION

[0022] The following describes the implementation of the present invention through specific examples, and those skilled in the art can easily understand other advantages and effects of the present invention from the contents disclosed in this specification. The present invention can also be implemented or applied through other different specific implementations, and the details in this specification can also be modified or changed in various ways based on different viewpoints and applications without departing from the spirit of the present invention. It should be noted that the following embodiments and features in the embodiments can be combined with each other without conflict.

[0023] It should be noted that the illustrations provided in the following embodiments are only schematic illustrations of the basic concept of the present invention, and thus the drawings only show components related to the present invention rather than being drawn according to the number, shape and size of components in actual implementation. In actual implementation, the type, quantity and proportion of each component may be changed arbitrarily, and the component layout may also be more complicated.

[0024] All directional indications in the embodiments of the present invention (such as up, down, left, right, front, back, horizontal, vertical...) are only used to explain the relative position relationship, movement status, etc. between the components in a certain specific posture. If the specific posture changes, the directional indication will also change accordingly.

[0025] Due to installation errors and other reasons, the parallel relationship referred to in the embodiments of the present invention may actually be an approximately parallel relationship, and the vertical relationship may actually be an approximately vertical relationship.

[0026] This embodiment provides an electric suction cup, referring to Figure 1 , Figure 2 , Figure 3 , at least includes a suction cup body 1, a handle 2, a vacuum pump and a control unit. The handle 2 is horizontally arranged above the suction cup body 1, and both ends of the handle 2 form a shell component 21 for connecting with the suction cup body 1. The interior of the shell component 21 forms a structure for installing a vacuum pump and a control unit, etc.

[0027] The suction cup body 1 is in a disc-shaped structure such as a circle or an ellipse, and the bottom of the suction cup body 1 forms an adsorption surface, wherein the shell assembly 21 is fixed to the top of the suction cup body 1 by bolts or the like, and the adsorption surface is used to contact the surface of the object to be adsorbed, and a rubber strip 3 protruding from the adsorption surface is arranged around the circumference of the adsorption surface. When the adsorption surface is opposite to the surface of the object to be adsorbed, the rubber strip 3 is against the surface of the object to be adsorbed, so that the adsorption surface and the surface of the object to be adsorbed form a certain closed space, and the air in the closed space is extracted by a vacuum pump to form a negative pressure to achieve the adsorption effect of the electric suction cup on the object to be adsorbed.

[0028] An air channel is provided on the suction cup body 1, one side opening of the air channel is connected to the adsorption surface, and after the shell assembly 21 and the vacuum pump are installed on the suction cup body 1, the other side opening is connected to the air port of the vacuum pump. When the vacuum pump is started, the air in the enclosed space can be extracted through the air channel.

[0029] The application scenarios of the electric suction cup described in this embodiment include but are not limited to the grasping and carrying of glass, ceramic tiles, various types of plates, and other objects with flat surfaces, wherein the size and stability of the suction force of the suction cup are important indicators. The suction force required to adsorb objects of different weights is different. At the same time, some relatively fragile materials also need to set an upper limit on the suction force to avoid deformation and breakage caused by excessive negative pressure. Furthermore, the suction cup will be affected by inertia during the process of grasping, lifting, and carrying the adsorbed object, causing the pressure in the enclosed space to fluctuate. The stability is the ability of the suction cup to maintain the ability to adsorb the object under the above circumstances to avoid loosening and leakage when the pressure changes.

[0030] In this embodiment, a barometer 11 is arranged on the suction cup body 1. By monitoring the barometer 11, the user can intuitively obtain the size of the adsorption force and judge the stability of the adsorption when the pressure fluctuates. The head of the barometer 11 is arranged at the position of the adsorption surface and is connected to the closed space so as to measure the air pressure in the closed space.

[0031] The control unit is used to control the operation of the vacuum pump, including a power switch, an air suction switch 22 and a pressure relief switch 23. The power switch controls the power on and off of the vacuum pump; the air suction switch 22 and the pressure relief switch 23 are both arranged on the housing assembly 21 on the same side of the handle 2, which is convenient for the user to operate and control flexibly.

[0032] The suction cup body 1 can be made of a hard material, including but not limited to plastic material, and the rubber strip 3 can be made of an elastic material, including but not limited to rubber material. During the adsorption process, the rubber strip 3 is deformed to increase the contact area with the surface of the object to ensure close contact, reduce the volume of the enclosed space to ensure negative pressure, effectively ensure the airtightness of the enclosed space, and ensure the adsorption force; the suction cup body 1 and the rubber strip 3 can also be made of elastic materials.

[0033] In this embodiment, refer to Figure 3 , Figure 4 , Figure 5The rubber strip 3 is in a multi-layer concentric ring structure arranged from the inside to the outside, forming a multi-layer fin structure, and each fin 33 is extended downward from the inside to the outside in sequence, so that the bottom connecting line of each fin 33 is inclined, so that when the adsorption surface of the suction cup body 1 is close to the surface of the object during the adsorption process, the outermost fin 33 is first in contact with the surface of the object, and as the suction is gradually tightened, the inner multi-layer fins 33 contact the surface of the object in sequence. In this way, the multi-layer fin structure can be deformed in an orderly manner to form a neat stack, thereby greatly increasing the bonding area with the surface of the object, providing multi-layer airtight protection, and effectively avoiding air leakage.

[0034] In the application scenario of the electric suction cup of the present embodiment, the influence of small particles of impurities such as dust is unavoidable. The impurities will adhere to the surface of the object or the surface of the suction cup, and create gaps during adsorption to destroy the air tightness, affecting the adsorption force, and even causing the risk of the object falling. Especially for the rubber strip 3, its multi-layer structure is more prone to dust accumulation, and since it is not a flat surface, it is difficult to clean, especially the entire electric suction cup needs to be picked up for cleaning, and daily maintenance work is not convenient.

[0035] As an optimization, the rubber strip 3 in the present embodiment is a detachable split arrangement relative to the suction cup body 1, and a structure for cooperating with the rubber strip 3 is formed along the circumferential direction of the suction cup body 1, specifically, a first clamping portion 131 and a second clamping portion 132 are respectively provided on the inner and outer sides. When the rubber strip 3 is installed on the suction cup body 1, the inner circle portion of the rubber strip 3 is inserted into the first clamping portion 131, and the first clamping portion 131 is against the bottom of the rubber strip 3 to form a supporting effect, and the outer circle of the rubber strip 3 forms a edging 32 of a barb structure, and the edging 32 is wrapped around the outer periphery of the second clamping portion 132 in the form of an external buckle, which has a good fixing effect and is convenient for disassembly and assembly.

[0036] The rubber strip 3 is detachably arranged for the suction cup body 1, and the elastic material facilitates disassembly and assembly, so that the user can remove the rubber strip 3 for cleaning separately. The cleaning of a complex-shaped component such as the rubber strip 3 is more comprehensive, and there is no need to take the entire electric suction cup for cleaning, so the operation is easier and more convenient.

[0037] And for the detachable rubber strip 3, since it is not integrated with the suction cup body 1, there will be a gap. In order to ensure its airtightness, firstly, the size of the edge 32 is adjusted so that it forms an interference fit with the second clamping portion 132, and after the installation is completed, it will deform and fit tightly to ensure airtightness. Figure 4The top of the rubber strip 3 is circumferentially provided with an inner concave portion 31, and the bottom of the corresponding suction cup body 1 is provided with an annular groove 13 opposite to the inner concave portion 31 at a position between the first clamping portion 131 and the second clamping portion 132. In the non-working state, the top surface of the inner concave portion 31 is depressed downward to form a certain arc. When the rubber strip 3 is installed on the suction cup body 1, refer to Figure 5 The inner recess 31 will enter the annular groove 13 and be squeezed, so that the rubber strip 3 will be deformed into the annular groove 13, and the top surface of the inner recess 31 will be close to the top surface of the annular groove 13, reducing the curvature and expelling the internal air until the top surface of the inner recess 31 is fully fitted with the top surface of the annular groove 13, generating a negative pressure effect between the two surfaces, generating an adsorption force, making the rubber strip 3 fit tightly with the suction cup body 1, thereby greatly increasing the air tightness.

[0038] Furthermore, a paddle 12 is provided on the circumferential side of the rubber strip 3. When a sudden pressure relief switch 23 or internal control fails, the user can pull the paddle 12 to cause the rubber strip 3 to deform laterally at that position to produce a gap, thereby quickly eliminating the internal adsorption force of the suction cup to achieve a manual pressure relief effect. The provision of the paddle 12 can also make the disassembly and assembly operations of the rubber strip 3 on the suction cup body 1 more convenient.

[0039] Obviously, the described embodiments are only some embodiments of the utility model, not all embodiments. Based on the embodiments of the utility model, all other embodiments obtained by ordinary technicians in this field without creative work should fall within the scope of protection of the utility model.

Claims

1. An electric suction cup, characterized in that: The invention comprises a suction cup body (1) and a vacuum pump, wherein the bottom of the suction cup body (1) forms a suction surface, and the air port of the vacuum pump is connected to the suction surface; a rubber strip (3) is protruding from the suction surface, and the rubber strip (3) is arranged around the circumference of the suction cup body (1) and is detachably connected to the suction cup body (1).

2. An electric suction cup according to claim 1, characterized in that: A first clamping portion (131) and a second clamping portion (132) are provided on the circumferential side of the suction cup body (1) for clamping with the inner ring and the outer ring of the rubber strip (3) respectively.

3. An electric suction cup according to claim 2, characterized in that: The top of the rubber strip (3) is provided with an inner concave portion (31), the top surface of the inner concave portion (31) is recessed downward to form a set arc, and the suction cup body (1) is provided with an annular groove (13) for the inner concave portion (31) to extend into.

4. The electric suction cup according to claim 1, characterized in that: The rubber strip (3) is made of rubber material.

5. An electric suction cup according to any one of claims 1 to 4, characterized in that: A paddle (12) is provided on the peripheral side of the rubber strip (3).

6. The electric suction cup according to claim 1, characterized in that: The suction cup body (1) is provided with a pressure gauge (11), and the gauge head of the pressure gauge (11) is arranged on the adsorption surface.

7. The electric suction cup according to claim 1, characterized in that: It also comprises a handle (2), wherein the handle (2) is arranged above the suction cup body (1).

8. An electric suction cup according to claim 7, characterized in that: It also comprises a control unit for controlling the on and off of the vacuum pump, the control unit being arranged in the handle (2), the control unit comprising an air suction switch (22) and a pressure relief switch (23), the air suction switch (22) and the pressure relief switch (23) being arranged on the same side of the handle (2).

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