Grinding machine

Abstract

The utility model provides a grinding machine which comprises a first shell, a main pipe, a first supporting arm and a second supporting arm, the first supporting arm and the second supporting arm are connected to the first shell, the first supporting arm comprises a first end and a second end, the second supporting arm comprises a third end and a fourth end, and the first end and the third end are connected to the first shell. The second end part and the fourth end part are assembled together to form a barrel-shaped structure, the main pipe comprises a fifth end part and a sixth end part, the fifth end part is inserted into the barrel-shaped structure, the polishing machine further comprises a second shell installed on the main pipe, an electronic assembly and a wire, the electronic assembly and the wire are arranged in the second shell, the wire is connected to the electronic assembly, and the polishing machine further comprises an insulation structure. The insulating structure isolates the wire from the main pipe.

Description

Technical Field

[0001] The present application relates to the field of electric tools, and in particular to a grinder. Background Art

[0002] In the prior art, a grinder includes a housing that fits over an aluminum tube, and electronic components and wires housed within the housing. The wires are connected to the electronic components. The housing includes a first receiving space and a second receiving space, located on either side of the aluminum tube. The electronic components are located within the first receiving space, and the wires extend from the first receiving space to the second receiving space. Passing directly through the vicinity of the aluminum tube, the wires pose a significant risk to insulation. If the insulation of the wires peels off, causing insulation failure, the partially exposed aluminum tube could become electrically charged, posing a significant safety hazard.

[0003] Therefore, it is necessary to provide a new grinding machine. Utility Model Content

[0004] The present application provides a grinder with good safety performance.

[0005] Specifically, the present application provides a grinder, which includes a first shell, a main pipe, and a first support arm and a second support arm connected to the first shell, the first support arm includes a first end and a second end, the second support arm includes a third end and a fourth end, the first end and the third end are connected to the first shell, the second end and the fourth end are assembled together to form a cylindrical structure, the main pipe includes a fifth end and a sixth end, the fifth end is inserted into the cylindrical structure, the grinder also includes a second shell installed on the main pipe and an electronic component and a wire arranged in the second shell, the wire is connected to the electronic component, and the grinder also includes an insulating structure, which isolates the wire from the main pipe.

[0006] Furthermore, the insulating structure is installed on the main pipe.

[0007] Furthermore, the second shell includes a first receiving space and a second receiving space, the first receiving space and the second receiving space are located on both sides of the main pipe, the electronic component is located in the first receiving space, and the wire extends from the first receiving space to the second receiving space.

[0008] Furthermore, the main pipe is a metal pipe.

[0009] Furthermore, the main pipe is an aluminum pipe.

[0010] Furthermore, the second shell also includes a third receiving space located between the first receiving space and the second receiving space, the main pipe passes through the third receiving space, the first receiving space and the third receiving space are connected through a first through-groove, the second receiving space and the third receiving space are connected through a second through-groove, the wire passes through the first through-groove from the first receiving space to enter the third receiving space, and the wire passes through the second through-groove from the third receiving space to enter the second receiving space.

[0011] Furthermore, the insulating structure is disposed corresponding to the first through slot and the second through slot to isolate the wire from the main pipe.

[0012] Furthermore, the grinder also includes an extension tube, which includes a seventh end and an eighth end, and the seventh end is inserted into the sixth end. The grinder also includes a cylindrical handle assembly, which is installed at the connection between the seventh end and the sixth end.

[0013] Furthermore, the second shell is located on a side of the cylindrical handle assembly close to the first shell, and the second shell is connected to the cylindrical handle assembly.

[0014] Furthermore, the second shell is assembled from two half shells.

[0015] In this application, the insulation structure isolates the wire from the main pipe. Even if the insulation sheath of the wire falls off and causes insulation failure, the partially exposed main pipe will not be electrified. This design provides great insulation protection between the wire and the main pipe and is very safe. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 It is a structural diagram of the grinding machine of the present application.

[0017] Figure 2 yes Figure 1 Exploded perspective view of the grinder shown.

[0018] Figure 3 yes Figure 2 Magnified view of the circled portion shown.

[0019] Figure 4 yes Figure 2 A further exploded perspective view of the grinding machine is shown.

[0020] Figure 5 yes Figure 4 Magnified view of the circled portion shown.

[0021] Figure 6 yes Figure 1 Exploded perspective view of the grinder from another perspective.

[0022] Figure 7 yes Figure 6 Magnified view of the circled portion shown.

[0023] Figure 8 yes Figure 6 A further exploded perspective view of the grinding machine is shown.

[0024] Figure 9 yes Figure 8 Magnified view of the circled portion shown. DETAILED DESCRIPTION

[0025] Exemplary embodiments are described in detail herein, with examples illustrated in the accompanying drawings. When the following description refers to the drawings, identical numerals in different drawings represent identical or similar elements unless otherwise indicated. The embodiments described in the following exemplary embodiments are not intended to represent all embodiments consistent with this application.

[0026] The terms used in this application are for the purpose of describing specific embodiments only and are not intended to limit this application. Unless otherwise defined, technical or scientific terms used in this application should have the same ordinary meaning as those of ordinary skill in the art to which this invention belongs. The terms "first," "second," and similar terms used in this application do not denote any order, quantity, or importance, but are simply used to distinguish different components. Similarly, terms such as "a" or "an" do not denote a limitation of quantity, but rather indicate the presence of at least one. "Multiple" or "several" means two or more. Unless otherwise indicated, terms such as "front," "rear," "lower," and / or "upper" are for convenience only and are not intended to limit a position or spatial orientation. Terms such as "include" or "comprising" mean that the elements or objects listed before "include" or "comprising" include the elements or objects listed after "include" or "comprising" and their equivalents, and do not exclude other elements or objects. Terms such as "connected" or "connected" are not limited to physical or mechanical connections and can include electrical connections, whether direct or indirect. As used in this specification and the appended claims, the singular forms "a," "an," "said," and "the" are intended to include the plural forms as well, unless the context clearly indicates otherwise. It should also be understood that the term "and / or" as used herein refers to and encompasses any and all possible combinations of one or more of the associated listed items.

[0027] Please combine Figures 1 to 9The present application provides a grinder 100, which includes a first housing 10, a main pipe 20, and a first support arm 30 and a second support arm 40 connected to the first housing 10. The first support arm 30 includes a first end 31 and a second end 32, and the second support arm 40 includes a third end 41 and a fourth end 42. The first end 31 and the third end 41 are connected to the first housing 10, and the second end 32 and the fourth end 42 are assembled together to form a cylindrical structure 50. The main pipe 20 includes a fifth end 21 and a sixth end 22, and the fifth end 21 is inserted into the cylindrical structure 50. The grinder 100 also includes an extension pipe 60, which includes a seventh end 61 and an eighth end 62, and the seventh end 61 is inserted into the sixth end 22. The grinder 100 also includes a cylindrical handle assembly 70, which is installed at the connection between the seventh end 61 and the sixth end 22.

[0028] The grinder 100 also includes a second housing 80 that is sleeved and mounted on the main pipe 20, and an electronic assembly 81 and a wire 82 disposed within the second housing 80. The wire 82 is connected to the electronic assembly 81. The grinder 100 also includes an insulating structure 90 mounted on the main pipe 20. The insulating structure 90 is located between the main pipe 20 and the wire 82, insulating the wire 82 from the main pipe 20. The insulating structure 90 is attached to the main pipe 20. The second housing 80 is located on a side of the cylindrical handle assembly 70 that is adjacent to the first housing 10 and is connected to the cylindrical handle assembly 70. The second housing 80 is assembled from two half-shells. The main pipe 20 is a metal pipe, specifically, an aluminum pipe.

[0029] The second housing 80 includes a first receiving space 83 and a second receiving space 84. The first receiving space 83 and the second receiving space 84 are located on either side of the main pipe 20. The electronic component 81 is located in the first receiving space 83, and the wire 82 extends from the first receiving space 83 to the second receiving space 84. Specifically, the second housing 80 also includes a third receiving space 85 located between the first receiving space 83 and the second receiving space 84. The main pipe 20 passes through the third receiving space 85. The first receiving space 83 and the third receiving space 85 are connected by a first through-groove 87, and the second receiving space 84 and the third receiving space 85 are connected by a second through-groove 88. The wire 82 passes from the first receiving space 83 through the first through-groove 87 into the third receiving space 85. The wire 82 passes from the third receiving space 85 through the second through-groove 88 into the second receiving space 84. An insulating structure 90 is provided corresponding to the first through-groove 87 and the second through-groove 88 to isolate the wire 82 from the main pipe 20.

[0030] In the present application, the insulating structure 90 isolates the wire 82 from the main pipe 20. Even if the insulating sheath of the wire 82 falls off and causes insulation failure, the partially exposed main pipe 20 will not be electrified. This design provides great insulation protection for the insulation between the wire 82 and the main pipe 20, which is very safe.

[0031] The above description is merely a preferred embodiment of the present application and does not constitute any form of limitation to the present application. Although the present application has been disclosed as a preferred embodiment, it is not intended to limit the present application. Any technician familiar with this profession can use the technical content disclosed above to make some changes or modifications to equivalent embodiments without departing from the scope of the technical solution of the present application. However, any simple modifications, equivalent changes and modifications made to the above embodiments based on the technical essence of the present application without departing from the content of the technical solution of the present application are still within the scope of the technical solution of the present application.

Claims

1. A grinder, comprising a first housing, a main pipe, and a first support arm and a second support arm connected to the first housing, the first support arm comprising a first end and a second end, the second support arm comprising a third end and a fourth end, the first end and the third end being connected to the first housing, the second end and the fourth end being assembled together to form a cylindrical structure, the main pipe comprising a fifth end and a sixth end, the fifth end being inserted into the cylindrical structure, the grinder further comprising a second housing mounted on the main pipe and an electronic component and a wire disposed in the second housing, the wire being connected to the electronic component, characterized in that The grinder further includes an insulating structure, which isolates the conductive wire from the main pipe.

2. The grinding machine according to claim 1, characterized in that The insulating structure is mounted on the main pipe.

3. The grinding machine according to claim 1, characterized in that The second shell includes a first receiving space and a second receiving space, the first receiving space and the second receiving space are located on both sides of the main pipe, the electronic component is located in the first receiving space, and the wire extends from the first receiving space to the second receiving space.

4. The grinding machine according to claim 1, characterized in that The main pipe is a metal pipe.

5. The grinding machine according to claim 4, characterized in that The main pipe is an aluminum pipe.

6. The grinding machine according to claim 3, characterized in that The second shell also includes a third receiving space located between the first receiving space and the second receiving space, the main pipe passes through the third receiving space, the first receiving space and the third receiving space are connected through a first through-groove, the second receiving space and the third receiving space are connected through a second through-groove, the wire passes through the first through-groove from the first receiving space to enter the third receiving space, and the wire passes through the second through-groove from the third receiving space to enter the second receiving space.

7. The grinding machine according to claim 6, characterized in that The insulating structure is disposed corresponding to the first through slot and the second through slot to isolate the conductive wire from the main pipe.

8. The grinding machine according to claim 1, characterized in that The grinder also includes an extension tube, which includes a seventh end and an eighth end, and the seventh end is inserted into the sixth end. The grinder also includes a cylindrical handle assembly, which is installed at the connection between the seventh end and the sixth end.

9. The grinding machine according to claim 8, characterized in that The second shell is located on a side of the cylindrical handle assembly close to the first shell, and the second shell is connected to the cylindrical handle assembly.

10. The grinding machine according to claim 1, characterized in that The second shell is assembled from two half shells.

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