Static electricity removal device and cleaning tools

Abstract

The present application provides a static electricity extraction device and a cleaning tool, the cleaning tool comprising a head assembly, a barrel assembly and a filter assembly detachably mounted between the head assembly and the barrel assembly, the head assembly having a static electricity release part, the barrel assembly having a static electricity generating part, the static electricity extraction device being configured to pass through the filter assembly, and one end of the static electricity extraction device being connected to the static electricity generating part, and the other end being connected to the static electricity releasing part. The technical solution conducts the static electricity generated by the static electricity generating part of the cleaning tool to the static electricity releasing part through the static electricity extraction device, and then extracts it through the static electricity releasing part; the static electricity extraction device passes through the filter assembly of the cleaning tool without passing through the sealing position, thereby avoiding the influence on the sealing of the entire cleaning tool.

Description

Technical Field

[0001] The present application relates to the technical field of cleaning tools, and more specifically, to an electrostatic discharge device and a cleaning tool. Background Art

[0002] Wet and dry vacuum cleaners are widely used for cleaning in various occasions. Such vacuum cleaners usually include a head assembly, a filter assembly, and a barrel assembly. When such vacuum cleaners are working, especially when vacuuming dust, the inhaled dust will rub against the hose and other parts on the barrel assembly to generate static electricity. In order not to affect the user experience, it is usually necessary to set up a static electricity extraction device to extract the static electricity in the barrel.

[0003] Currently, the commonly used methods of conducting static electricity include the following two: one is to set a metal static chain at the bottom of the barrel to conduct static electricity to the ground. This method will fail on the carpet, and the static electricity cannot be released at this time. Another method is to conduct static electricity through the ground wire in the power cord. In this method, it is necessary to additionally set up an electrostatic component and a conductive component. The first end of the electrostatic component is connected to the static electricity generating unit (such as a hose) on the barrel, and the second end of the electrostatic component is connected to the first end of the conductive component. The second end of the conductive component is connected to the ground wire, so that the static electricity in the barrel can be conducted through the ground wire. In this way, due to the presence of the filter assembly, the electrostatic component and the conductive component need to be set across the filter assembly. The assembly position of the electrostatic component will affect the sealing of the whole machine, and its structure is complex and the reliability is low. Utility Model Content

[0004] The present application provides an electrostatic discharge device and a cleaning tool. Various aspects involved in the embodiments of the present application are introduced below.

[0005] In a first aspect, there is provided an electrostatic decoupling device for a cleaning tool, the cleaning tool comprising a head assembly, a barrel assembly, and a filter assembly detachably mounted between the head assembly and the barrel assembly, the head assembly having an electrostatic release portion, the barrel assembly having an electrostatic generating portion, the electrostatic decoupling device being configured to pass through the filter assembly, and one end of the electrostatic decoupling device being connected to the electrostatic generating portion, and the other end being connected to the electrostatic release portion.

[0006] Optionally, the electrostatic derivation device includes: a first conductive member, which is arranged in the head assembly, and the first conductive member is connected to the electrostatic release part; a second conductive member, which is passed through the filter assembly; a third conductive member, which is arranged in the barrel assembly, and the third conductive member is connected to the electrostatic generating part; wherein, when the head assembly, the filter assembly and the barrel assembly are assembled in place, one end of the second conductive member close to the head assembly abuts against the first conductive member, and one end of the second conductive member close to the barrel assembly abuts against the third conductive member.

[0007] Optionally, at least a portion of the third conductive member is located in a receiving space formed by the barrel body assembly and the filter assembly.

[0008] Optionally, the filter assembly includes a pre-filter ring, the pre-filter ring is provided with a through hole, and the second conductive member is inserted into the through hole.

[0009] Optionally, the head assembly includes: a shell and a power cord, the power cord includes a ground wire, the electrostatic release unit includes the ground wire and a grounding terminal connected to the ground wire, and the grounding terminal is arranged on the shell.

[0010] Optionally, the first end of the first conductive member is located on the top surface of the shell and connected to the ground end. A reinforcing rib is provided inside the shell. The first conductive member extends from the first end along the top surface of the inner side of the shell and the surface of the reinforcing rib. The second end of the first conductive member extends from the end of the reinforcing rib toward the edge of the shell. The second end of the first conductive member is used to abut against the second conductive member.

[0011] Optionally, a first opening is provided on the top surface of the shell, and the first end of the first conductive member passes through the first opening and is connected to the ground end.

[0012] Optionally, the barrel body assembly includes a barrel body, a dust bag holder and a hose connector, the hose connector is used to connect the interior of the barrel body with the exterior of the barrel body, the dust bag holder is sleeved on the hose connector and is close to the inner wall of the barrel body, the hose connector is made of static conductive material, and the static electricity generating part is composed of the hose connector or a hose connected to the hose connector.

[0013] Optionally, the first end of the third conductive member is connected to the dust bag bracket via a threaded connector, and the end of the threaded connector abuts against the hose connector, the second end of the third conductive member extends toward the edge of the barrel body, and the second end of the third conductive member is used to abut against the second conductive member.

[0014] In a second aspect, a cleaning tool is provided, comprising a head assembly, a barrel assembly, a filter assembly disposed between the head assembly and the barrel assembly, and the electrostatic decoupling device as described in the first aspect.

[0015] In the technical solution provided in the embodiment of the present application, the static electricity generated by the static electricity generating part of the cleaning tool is conducted to the static electricity releasing part through the static electricity leading device, and then led away through the static electricity releasing part. The static electricity leading device passes through the filter assembly of the cleaning tool without passing through the sealing position, thereby avoiding the influence on the sealing of the cleaning tool. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 It is a schematic structural diagram of a cleaning tool using the static electricity extraction device provided in an embodiment of the present application.

[0017] Figure 2 yes Figure 1 Exploded view of.

[0018] Figure 3 yes Figure 1 An enlarged schematic diagram of point A.

[0019] Figure 4 yes Figure 2 A partially enlarged schematic structural diagram of the middle machine head assembly.

[0020] Figure 5 yes Figure 2 A partially enlarged schematic structural diagram of the electrostatic extraction device.

[0021] Figure 6 yes Figure 2 A partially enlarged schematic structural diagram of the middle barrel assembly.

[0022] Figure 7 yes Figure 6 The figure shows an exploded schematic structural diagram of the barrel assembly. DETAILED DESCRIPTION

[0023] The technical solution of the present application is further specifically described below through examples and in conjunction with the accompanying drawings. In the specification, the same or similar reference numerals indicate the same or similar components. The following description of the embodiments of the present invention with reference to the accompanying drawings is intended to explain the overall concept of the present application and should not be construed as a limitation to the present application.

[0024] In the description of this specification, the description with reference to the terms "one embodiment", "some embodiments", "example", "specific example", or "some examples" etc. means that the specific features, structures, materials or characteristics described in conjunction with the embodiment or example are included in at least one embodiment or example of the present application. In this specification, the schematic representations of the above terms do not necessarily refer to the same embodiment or example. Moreover, the specific features, structures, materials or characteristics described may be combined in any one or more embodiments or examples in a suitable manner. In addition, those skilled in the art may combine and combine the different embodiments or examples described in this specification and the features of the different embodiments or examples, without contradiction.

[0025] Wet and dry vacuum cleaners are widely used for cleaning in various occasions. Such vacuum cleaners usually include a head assembly, a filter assembly and a barrel assembly. The head assembly includes a motor for providing suction, the filter assembly is arranged in the space formed between the head assembly and the barrel assembly, and is used to filter the inhaled dust and large particles to prevent these particles from being inhaled into the human body or spreading in the air, and the barrel assembly is used to contain the particles and sewage inhaled by the vacuum cleaner.

[0026] When this type of vacuum cleaner is vacuuming dust, the inhaled dust will rub against the hose and other parts on the barrel assembly to generate static electricity. The static electricity in the barrel will cause the dust to be adsorbed on the barrel wall, dust bag and the inner wall of the hose. On the other hand, if the machine releases static electricity to the user during use by customers with implanted devices such as pacemakers, it may cause the implanted devices in the body to fail and cause personal injury. Therefore, in order not to affect the user experience, it is necessary to set up a static electricity extraction device to extract the static electricity in the barrel.

[0027] At present, one commonly used way to conduct static electricity is to set a metal static chain at the bottom of the metal barrel body. The static electricity inside the barrel body is conducted to the ground through the conductive barrel body and the metal static chain connected to the barrel body. However, this method will fail when used on a bottom surface covered with carpet, which will cause the static electricity to be unable to be released. Another way is to conduct static electricity through the ground wire in the power cord. In this way, additional static electricity components and conductive components need to be set; wherein the first end of the static electricity component is connected to the static electricity generating unit (such as a hose) on the barrel body, the second end of the static electricity component is connected to the first end of the conductive component, and the second end of the conductive component is connected to the ground wire, so that the static electricity in the barrel body can be conducted through the ground wire. In this way, due to the presence of the filter assembly, the static electricity component and the conductive component need to be set across the filter assembly, the assembly position of the static electricity component will affect the sealing of the whole machine, and its structure is complex and the reliability is low.

[0028] In view of the above problems, an embodiment of the present application provides a static electricity extraction device and a cleaning tool. The technical solution of the present application is described in detail below in conjunction with the accompanying drawings.

[0029] See also Figures 1 to 4 The static electricity extraction device 100 provided in the embodiment of the present application is applied to a cleaning tool 200, which includes a head assembly 210, a barrel assembly 220 and a filter assembly 230.

[0030] The head assembly 210 includes an electrostatic release portion 2110 , the barrel assembly 220 has an electrostatic generation portion 2210 , and the filter assembly 230 is detachably assembled between the head assembly 210 and the barrel assembly 220 .

[0031] The static electricity extraction device 100 is configured to pass through the filter assembly 230 , and one end of the static electricity extraction device 100 is connected to the static electricity generating unit 2210 , and the other end is connected to the static electricity releasing unit 2110 .

[0032] In the technical solution provided in the embodiment of the present application, the static electricity generated by the static electricity generating part of the cleaning tool is conducted to the static electricity releasing part through the static electricity leading device, and then led away through the static electricity releasing part. The static electricity leading device passes through the filter assembly of the cleaning tool without passing through the seal 4, thereby avoiding the influence on the sealing of the cleaning tool.

[0033] See also Figure 3 and Figure 5 In some embodiments, the electrostatic discharge device 100 includes a first conductive member 110 , a second conductive member 120 , and a third conductive member 130 .

[0034] The first conductive member 110 is disposed in the head assembly 210 and connected to the electrostatic release unit 2110. The second conductive member 120 is passed through the filter assembly 230. The third conductive member 130 is disposed in the barrel assembly 220 and connected to the electrostatic generation unit 2210.

[0035] When the head assembly 210, the barrel assembly 220 and the filter assembly 230 are assembled in place, the end of the second conductive member 120 close to the head assembly 210 abuts against the first conductive member 110, and the end of the second conductive member 120 close to the barrel assembly 220 abuts against the third conductive member 130. The static electricity generated by the static electricity generating part 2210 in the barrel assembly 220 is sequentially led out from the static electricity releasing part 2110 through the path formed by the third conductive member 130, the second conductive member 120 and the first conductive member 110.

[0036] It is understandable that the first conductive member 110 , the second conductive member 120 , and the third conductive member 130 are all made of conductive materials, such as metal conductive materials such as copper or aluminum, or non-metal conductive materials, which is not limited in the embodiments of the present application.

[0037] In some embodiments, the first conductive member 110, the second conductive member 120, and the third conductive member 130 are all located in the accommodation space enclosed by the barrel assembly 220 and the head assembly 210, and at least a portion of the third conductive member 130 is located in the accommodation space enclosed by the barrel assembly 220 and the filter assembly 230. In other words, all conductive members in the static electricity extraction device provided in the embodiment of the present application are located on the inner side of the housing of the cleaning tool, thereby avoiding the risk of failure of the conductive member disposed on the outer side of the barrel body after being hit in the prior art, and having higher reliability.

[0038] In some embodiments, the filter assembly 230 includes a pre-filter ring 231 having a through hole 2311 disposed thereon. The second conductive member 120 may be Figure 5 The metal conductive column shown in FIG. 2 is disposed in the through hole 2311 .

[0039] It should be noted that the pre-filter ring 231 is usually made of materials such as plastic. In order to ensure that the second conductive member 120 is firmly and reliably installed on the pre-filter ring 231, a boss can be provided on the pre-filter ring 231, and a through hole is provided at the center of the boss to increase the length of the through hole 2311 along the axial direction, thereby increasing the contact area between the through hole 2311 and the second conductive member 120.

[0040] In some embodiments, the second conductive member 120 and the through hole 2311 can be connected by interference fit or clearance fit to reduce the gap between the outer surface of the second conductive member 120 and the inner wall of the through hole 2311, thereby preventing dust from entering the head assembly 210 through the second through hole 2311.

[0041] In some embodiments, continue to refer to Figures 1 to 4 The head assembly 210 includes a housing 211 and a power cord 212. The housing 211 is semi-enclosed and has a mounting space for components such as a motor. The open end of the housing 211 has a mounting surface that matches the pre-filter ring 231. When the head assembly 210, the barrel assembly 220 and the filter assembly 230 are assembled together, the mounting surface of the housing 211 abuts against the upper surface of the pre-filter ring 231, and the lower surface of the pre-filter ring 231 abuts against the mounting surface of the upper edge of the barrel assembly 220. The above-mentioned multiple components are then fixed together using a buckle or other connection.

[0042] The electrostatic discharge unit 2110 mentioned above includes a ground wire and a ground terminal 213 connected to the ground wire. The ground terminal 213 is disposed on the housing 211 .

[0043] In some embodiments, the first conductive member 110 may be made of metal materials such as copper or aluminum by bending.

[0044] Continue reading Figure 1 and Figure 4 In some embodiments, the first end of the first conductive member 110 is located on the top surface of the housing 211 and connected to the ground terminal 213. A reinforcing rib 2111 is provided inside the housing 211 to improve the structural strength of the housing 211 and to press the second end of the first conductive member 110 against the second conductive member 120.

[0045] The first conductive member 110 extends from its first end along the top surface of the inner side of the shell 211 and the surface of the reinforcing rib 2111, and its second end extends from the end of the reinforcing rib 2111 toward the edge of the shell 211. The second end of the first conductive member 110 is used to abut against the second conductive member 120.

[0046] In some embodiments, the first end of the first conductive member 110 is fixed to the top surface of the inner side of the housing 211 through a threaded connector. Alternatively, as an implementation, the first conductive member can also be connected to the housing 211 through rivets or buckles.

[0047] In some embodiments, a first opening 2112 is formed on the top surface of the housing 211 , and the first end of the first conductive member 110 passes through the first opening 2112 and is connected to the ground end 213 .

[0048] In some embodiments, the head assembly 210 includes a synchronization socket 214, which is disposed between the power line 212 and the ground terminal 213. The synchronization socket 214 is connected to the ground line in the power line 212.

[0049] According to the static electricity extraction device provided in the embodiment of the present application, static electricity is extracted through the ground wire in the power cord, thereby avoiding the problem of being unable to extract static electricity to the ground in a scenario where there is a carpet.

[0050] See also Figures 5 to 7 In some embodiments, the barrel assembly 220 includes a barrel 221 , a dust bag bracket 222 , and a hose connector 223 .

[0051] The barrel body 221 is used to contain the sucked-in dirt, and can be made of metal materials, such as a steel barrel; or, the barrel body can also be made of non-metallic materials, such as plastic.

[0052] An opening is provided on the side wall of the barrel body 221, and a hose connector 223 is provided at the opening. The hose connector is used to connect the inside of the barrel body 221 with the outside of the barrel body 221. At least part of the hose connector 223 is provided inside the barrel body 221, and the dust bag bracket 222 is sleeved on the hose connector 223 and is close to the inner wall of the barrel body 221.

[0053] The hose connector 223 is made of an electrostatically conductive material. The static electricity generating part 2210 mentioned above is composed of the hose connector 223 or a hose 2231 connected to the hose connector 223 , or the static electricity generated on the barrel body 221 can also be transmitted to the hose connector 223 .

[0054] In some embodiments, the first end of the third conductive member 130 is connected to the dust bag bracket 222 through a threaded connector, and the end of the threaded connector abuts against the hose connector 223. Specifically, as shown in FIG. Figure 3As shown, the end of the threaded connector abuts against the outer surface of the hose connector 223. The threaded connector is made of a metal material, which is conductive, and the hose connector 223 is also made of a static conductive material. Therefore, static electricity in the hose connector 223 can be conducted to the third conductive member 130 through the threaded connector.

[0055] The second end of the third conductive member 130 extends in a direction close to the barrel body 221 , and the second end of the third conductive member 130 is used to abut against the second conductive member 120 .

[0056] The present application also provides a cleaning tool, which can be Figure 1 and Figure 2 The cleaning tool 200 shown in the figure includes a head assembly, a barrel assembly, a filter assembly arranged between the head assembly and the barrel assembly, and an electrostatic derivation device as described in any of the above embodiments.

[0057] In the description of the present application, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside", "clockwise", "counterclockwise", "axial", "radial", "circumferential" and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present application and simplifying the description, and do not indicate or imply that the referred device or element must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be understood as a limitation on the present application.

[0058] In addition, the terms "first" and "second" are used for descriptive purposes only and should not be understood as indicating or implying relative importance or implicitly indicating the number of the indicated technical features. Therefore, the features defined as "first" and "second" may explicitly or implicitly include at least one of the features. In the description of this application, the meaning of "plurality" is at least two, such as two, three, etc., unless otherwise clearly and specifically defined.

[0059] In this application, unless otherwise clearly specified and limited, the terms "installed", "connected", "connected", "fixed" and the like should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection or an indirect connection through an intermediate medium, it can be the internal connection of two elements or the interaction relationship between two elements, unless otherwise clearly defined. For ordinary technicians in this field, the specific meanings of the above terms in this application can be understood according to specific circumstances.

[0060] In the present application, unless otherwise clearly specified and limited, a first feature being “above” or “below” a second feature may mean that the first and second features are in direct contact, or the first and second features are in indirect contact through an intermediate medium. Moreover, a first feature being “above”, “above”, and “above” a second feature may mean that the first feature is directly above or obliquely above the second feature, or simply means that the first feature is higher in level than the second feature. A first feature being “below”, “below”, and “below” a second feature may mean that the first feature is directly below or obliquely below the second feature, or simply means that the first feature is lower in level than the second feature.

[0061] Although the embodiments of the present application have been shown and described above, it can be understood that the above embodiments are exemplary and cannot be understood as limitations on the present application. Ordinary technicians in this field can change, modify, replace and modify the above embodiments within the scope of the present application.

Claims

1. An electrostatic discharge device for a cleaning tool, the cleaning tool comprising a head assembly, a barrel assembly, and a filter assembly detachably mounted between the head assembly and the barrel assembly, the head assembly having an electrostatic discharge portion, the barrel assembly having an electrostatic generation portion, characterized in that: The static electricity extraction device is configured to pass through the filter assembly, and one end of the static electricity extraction device is connected to the static electricity generating part, and the other end of the static electricity extraction device is connected to the static electricity releasing part.

2. The static electricity extraction device according to claim 1, characterized in that: The electrostatic discharge device comprises: A first conductive member, disposed in the head assembly, wherein the first conductive member is connected to the electrostatic release portion; A second conductive member is disposed through the filter assembly; A third conductive member is disposed in the barrel assembly, and the third conductive member is connected to the static electricity generating part; Wherein, when the head assembly, the filter assembly and the barrel assembly are assembled in place, one end of the second conductive member close to the head assembly abuts against the first conductive member, and one end of the second conductive member close to the barrel assembly abuts against the third conductive member.

3. The static electricity extraction device according to claim 2, characterized in that: At least a portion of the third conductive member is located in a receiving space formed by the barrel assembly and the filter assembly.

4. The static electricity extraction device according to claim 2, characterized in that: The filter assembly includes a pre-filter ring, the pre-filter ring is provided with a through hole, and the second conductive member is penetrated through the through hole.

5. The static electricity extraction device according to claim 2, characterized in that: The head assembly includes: a shell and a power line, the power line includes a ground line, the electrostatic release unit includes the ground line and a grounding terminal connected to the ground line, and the grounding terminal is arranged on the shell.

6. The static electricity extraction device according to claim 5, characterized in that: The first end of the first conductive member is located on the top surface of the shell and is connected to the ground end. A reinforcing rib is provided inside the shell. The first conductive member extends from the first end along the top surface of the inner side of the shell and the surface of the reinforcing rib. The second end of the first conductive member extends from the end of the reinforcing rib toward the edge of the shell. The second end of the first conductive member is used to abut against the second conductive member.

7. The static electricity extraction device according to claim 6, characterized in that: A first opening is provided on the top surface of the housing, and a first end of the first conductive member passes through the first opening and is connected to the ground end.

8. The static electricity extraction device according to claim 2, characterized in that: The barrel assembly includes a barrel body, a dust bag holder and a hose connector, wherein the hose connector is used to connect the interior of the barrel body with the exterior of the barrel body, the dust bag holder is sleeved on the hose connector and is close to the inner wall of the barrel body, the hose connector is made of a static conductive material, and the static electricity generating part is composed of the hose connector or a hose connected to the hose connector.

9. The static electricity extraction device according to claim 8, characterized in that: The first end of the third conductive member is connected to the dust bag bracket through a threaded connector, and the end of the threaded connector abuts against the hose connector. The second end of the third conductive member extends toward the edge of the barrel body, and the second end of the third conductive member is used to abut against the second conductive member.

10. A cleaning tool, characterized in that: It comprises a head assembly, a barrel assembly, a filter assembly arranged between the head assembly and the barrel assembly, and an electrostatic derivation device as described in any one of claims 1-9.

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