Metal saw

Abstract

The utility model specifically relates to a metal saw, which includes a base plate, a saw blade, a first shell and a dust box. The saw blade is rotatably mounted on the base plate, the saw blade is arranged perpendicular to the base plate, and part of the saw blade extends to the bottom of the base plate. The first shell is arranged on the base plate to cover at least part of the saw blade located above the base plate. The dust box is arranged on the first shell and is located above the first shell. The dust box has a chip inlet, a collection channel and a accommodating chamber. The chip inlet is arranged facing the base plate and covers part of the saw blade. The metal saw of the utility model, by arranging a dust box on the metal saw, enables the metal saw to collect iron chips, so as to reduce the occurrence of iron chips splashing, avoid physical injuries to the operator caused by iron chips splashing, and help improve the safety of the use of the metal saw.

Description

Technical Field

[0001] The utility model belongs to the technical field of electric tools, and in particular relates to a metal saw. Background Art

[0002] At present, metal saw is a widely used electric cutting tool. Due to its high cutting efficiency, light weight, small size, and easy to carry and use, it is very popular among consumers and has a large market demand. Metal saw mainly includes motor, protective cover, bottom plate, handle, switch and saw blade.

[0003] However, existing electric tools often generate a large amount of slag when cutting products, and the splashing of these slags can easily cause physical injuries to operators, especially the eyes of operators, which are more likely to cause blindness and other hazards due to the splashing of iron chips, greatly affecting the operator's safety in use; and the splashing iron chips can easily cause environmental pollution, and are not conducive to the operator's cleaning, thereby reducing the use effect of the metal saw. Utility Model Content

[0004] The purpose of the utility model is to at least solve the problem that iron chips are easily flying when the existing metal saw is working. This purpose is achieved through the following technical solutions:

[0005] The first aspect of the utility model provides a metal saw, comprising:

[0006] Base plate;

[0007] A saw blade, the saw blade is rotatably mounted on the bottom plate, the saw blade is arranged perpendicular to the bottom plate, and a portion of the saw blade extends below the bottom plate;

[0008] A first housing, the first housing being disposed on the bottom plate to cover at least a portion of the saw blade located above the bottom plate;

[0009] A dust box is arranged on the first shell and is located above the first shell. The dust box has a chip feed port, a collection channel and a accommodating cavity. The chip feed port is arranged facing the bottom plate and covers a part of the saw blade.

[0010] The metal saw described in the utility model is provided with a dust collecting box on the metal saw so that the metal saw can collect iron chips, thereby reducing the occurrence of iron chips splashing, avoiding physical injuries to operators caused by iron chips splashing, and helping to improve the safety of using the metal saw.

[0011] In addition, the metal saw according to the utility model may also have the following additional technical features:

[0012] In some embodiments of the utility model, along the radial direction of the saw blade, the chip feed port and the accommodating cavity are respectively arranged on both sides of the saw blade, and the collecting channel has an action surface adapted to the saw blade.

[0013] In some embodiments of the present invention, a chip baffle is provided on a side of the chip feed port away from the saw blade to receive and rebound the chips entering the chip feed port.

[0014] In some embodiments of the present invention, a baffle is provided on a side of the chip feed port close to the saw blade.

[0015] In some embodiments of the present invention, the dust box comprises:

[0016] a first box body, the first box body being arranged on the first shell;

[0017] a second box body, wherein the second box body is arranged on the first box body;

[0018] The first box body and the second box body are assembled to form the chip inlet, the collecting channel and the accommodating chamber.

[0019] In some embodiments of the present invention, the dust collecting box further has a chip outlet, the chip outlet is arranged close to the accommodating cavity, and a cover plate is arranged at the chip outlet.

[0020] In some embodiments of the present invention, the chip outlet is oriented perpendicular to the chip inlet and is disposed in a direction away from the saw blade.

[0021] In some embodiments of the present invention, the first box has a first side wall arranged parallel to the saw blade, and the metal saw further comprises:

[0022] A protection plate is arranged inside the first box body and is matched with the first side wall.

[0023] In some embodiments of the present invention, the second box body has a second side wall arranged parallel to the saw blade, and a receiving groove is arranged on the inner side surface of the second side wall.

[0024] In some embodiments of the present invention, the metal saw further comprises:

[0025] The second housing is movably disposed on the first housing, and the second housing can cover a portion of the saw blade located below the bottom plate. BRIEF DESCRIPTION OF THE DRAWINGS

[0026] By reading the detailed description of the preferred embodiment below, various other advantages and benefits will become clear to those of ordinary skill in the art. The accompanying drawings are only used for the purpose of illustrating the preferred embodiment and are not to be considered as limiting the present invention. Moreover, the same reference numerals are used throughout the accompanying drawings to represent the same components. In the accompanying drawings:

[0027] Figure 1 This is a schematic structural diagram of a metal saw according to an embodiment of the utility model;

[0028] Figure 2 A cross-sectional view of a metal saw according to an embodiment of the present utility model;

[0029] Figure 3 It is a schematic diagram of the partial structure of the metal saw described in the embodiment of the utility model at a certain viewing angle;

[0030] Figure 4 A schematic diagram of a partial structure of a metal saw according to an embodiment of the utility model from another perspective;

[0031] Figure 5 It is a partial exploded schematic diagram of a metal saw according to an embodiment of the utility model;

[0032] Figure 6 This is a schematic structural diagram of the second housing described in an embodiment of the utility model;

[0033] Figure 7 This is a schematic structural diagram of the second box body described in an embodiment of the utility model;

[0034] Figure 8 A schematic structural diagram of the iron chip baffle according to an embodiment of the utility model;

[0035] Fig. 9 A schematic structural diagram of the protection plate described in the embodiment of the utility model;

[0036] The symbols in the accompanying drawings represent the following:

[0037] 1. Bottom plate;

[0038] 2. Saw blade;

[0039] 3. First shell; 31. Side plate; 32. Top plate;

[0040] 4. Second housing; 401. Operating handle;

[0041] 5. Dust collecting box; 51. Chip inlet; 511. First shielding surface; 512. Second shielding surface; 513. Mounting plate; 514. Slot; 52. Collection channel; 521. Action surface; 53. Accommodating chamber; 54. Chip outlet; 55. Baffle; 501. First box body; 5011. First side wall; 502. Second box body; 5021. Second side wall; 5022. Accommodating groove;

[0042] 6. Chip baffle;

[0043] 7. Protection plate;

[0044] 8. Cover plate;

[0045] 91. Driving motor; 92. Operating unit. DETAILED DESCRIPTION

[0046] The exemplary embodiments of the present disclosure will be described in more detail below with reference to the accompanying drawings. Although the exemplary embodiments of the present disclosure are shown in the accompanying drawings, it should be understood that the present disclosure can be implemented in various forms and should not be limited by the embodiments described herein. On the contrary, these embodiments are provided in order to enable a more thorough understanding of the present disclosure and to fully convey the scope of the present disclosure to those skilled in the art.

[0047] It should be understood that the terms used herein are only for the purpose of describing specific example embodiments and are not intended to be limiting. Unless the context clearly indicates otherwise, the singular forms "one", "an" and "said" as used herein may also be meant to include plural forms. The terms "include", "comprise", "contain", and "have" are inclusive, and therefore specify the existence of stated features, steps, operations, elements and / or parts, but do not exclude the existence or addition of one or more other features, steps, operations, elements, parts, and / or combinations thereof. The method steps, processes, and operations described herein are not interpreted as necessarily requiring them to be performed in the specific order described or illustrated, unless the execution order is clearly indicated. It should also be understood that additional or alternative steps may be used.

[0048] Although the terms first, second, third, etc. can be used in the text to describe multiple elements, components, regions, layers and / or sections, these elements, components, regions, layers and / or sections should not be limited by these terms. These terms can only be used to distinguish an element, component, region, layer or section from another region, layer or section. Unless the context clearly indicates, terms such as "first", "second" and other numerical terms do not imply order or sequence when used in the text. Therefore, the first element, component, region, layer or section discussed below can be referred to as the second element, component, region, layer or section without departing from the teaching of the example embodiments.

[0049] For ease of description, spatial relative terms may be used herein to describe the relationship of one element or feature relative to another element or feature as shown in the figure, such as "inside", "outside", "inner side", "outer side", "below", "below", "above", "above", etc. Such spatial relative terms are intended to include different orientations of the device in use or operation in addition to the orientation depicted in the figure. For example, if the device in the figure is turned over, then the elements described as "below other elements or features" or "below other elements or features" will subsequently be oriented as "above other elements or features" or "above other elements or features". Therefore, the example term "below..." can include both upper and lower orientations. The device can be oriented otherwise (rotated 90 degrees or in other directions) and the spatial relative descriptors used in the text are interpreted accordingly.

[0050] The utility model relates to a metal saw. In terms of overall design, the metal saw comprises a bottom plate 1, a saw blade 2, a first shell 3 and a dust collecting box 5.

[0051] The saw blade 2 is rotatably mounted on the bottom plate 1, the saw blade 2 is arranged perpendicular to the bottom plate 1, and part of the saw blade 2 extends below the bottom plate 1. The first housing 3 is arranged on the bottom plate 1 to cover at least part of the saw blade 2 located above the bottom plate 1. The dust box 5 is arranged on the first housing 3 and is located above the first housing 3. The dust box 5 has a chip inlet 51, a collection channel 52, and a receiving chamber 53. The chip inlet 51 is arranged facing the bottom plate 1 and covers part of the saw blade 2.

[0052] The metal saw described in the utility model is provided with a dust collecting box 5 on the metal saw so that the metal saw can collect iron filings to reduce the occurrence of iron filings splashing, avoid physical injuries to operators caused by iron filings splashing, and help to improve the safety of using the metal saw.

[0053] Based on the above design concept, the metal saw involved in this embodiment has an exemplary structure as follows Figure 1 As shown, specifically, the metal saw at least includes a bottom plate 1, a saw blade 2, a housing, and a dust box 5. In this embodiment, the bottom plate 1 is horizontally arranged, and a through slot is opened on the bottom plate 1, which is not shown in the figure, and part of the saw blade 2 can extend below the bottom plate 1 through the through slot.

[0054] Combination Figure 1 and Figure 2As shown, the housing includes a first housing 3 and a second housing 4, and the first housing 3 is pivotally arranged on the upper surface of the bottom plate 1. The first housing 3 has a side plate 31 and a top plate 32, the side plate 31 is arranged parallel to the saw blade 2, the top plate 32 is arranged above the saw blade 2, and the top plate 32 is arranged at a distance from the circumference of the saw blade 2, so that the first housing 3 can cover at least a part of the saw blade 2 located above the bottom plate 1, so that the saw blade 2 can be positioned and installed.

[0055] In addition, a drive motor 91 is provided on one side of the side panel 31, and the saw blade 2 is provided on the other side of the side panel 31. The output shaft of the drive motor 91 passes through the side panel 31 and is arranged perpendicular to the plane where the saw blade 2 is located. The saw blade 2 is mounted on the output shaft so that the drive motor 91 can drive the saw blade 2 to rotate. In this embodiment, the first housing 3 also has an operating portion 92 for the user to hold by hand. At the same time, a battery pack is detachably provided on the operating portion 92. The battery pack is not shown in the figure. The provision of the battery pack can improve the flexibility of the metal saw and enable it to be carried and used.

[0056] In this embodiment, the second housing 4 is movably disposed on the first housing 3, and the second housing 4 can cover a portion of the saw blade 2 located below the bottom plate 1. Figure 2 As shown, the second housing 4 is rotatably disposed on the first housing 3 and can rotate around the output shaft of the driving motor 91. An operating handle 401 is disposed on the second housing 4 to adjust the position of the second housing 4. The provision of the second housing 4 helps to prevent the saw blade 2 from being damaged by the external environment, and can also collect some iron filings when the saw blade 2 rotates.

[0057] At this time, the dust box 5 is arranged on the first housing 3 and is located above the first housing 3. Specifically, the dust box 5 includes a first box body 501 and a second box body 502. The first box body 501 is fixedly mounted on the side plate 31 of the first housing 3, the second box body 502 is arranged on the first box body 501, and the first box body 501 and the second box body 502 are assembled to form the dust box 5. The structure in which the dust box 5 is assembled with the first box body 501 and the second box body 502 is not only helpful for the installation of the dust box 5 on the first housing 3, but also helpful for the cleaning of the inside of the dust box 5.

[0058] like Figure 1-Figure 5 As shown, the dust box 5 has a chip inlet 51, a chip outlet 54, a collection channel 52 and a receiving chamber 53. On the plane where the saw blade 2 is located, the chip inlet 51 and the receiving chamber 53 are respectively arranged on both sides of the saw blade 2, and the collection channel 52 has an action surface 521 adapted to the saw blade 2. Figure 2As shown, the iron chips generated by the operation of the saw blade 2 can enter the chip inlet 51 after leaving the saw blade 2, and enter the accommodating chamber 53 through the collecting channel 52. The direction indicated by the arrow in the figure is the main movement direction of the iron chips. The chip inlet 51 and the accommodating chamber 53 are arranged on both sides of the saw blade 2, which helps to ensure the size of the metal saw and improve the space utilization. At the same time, when the metal saw is in use, it also helps to reduce the influence of the dust box 5 on the cutting accuracy.

[0059] Specifically, the first box body 501 has a first side wall 5011 arranged parallel to the saw blade 2, and two first guide walls arranged at intervals, one of the two first guide walls close to the saw blade 2 is provided with a shielding plate, and the shielding plate and the first side wall 5011 are respectively arranged on both sides of the saw blade 2. Correspondingly, the second box body 502 has a second side wall 5021 arranged parallel to the saw blade 2, and a second guide wall adapted to one of the two first guide walls away from the saw blade 2. The first box body 501 and the second box body 502 are assembled to form a chip inlet 51, a chip outlet 54, a collection channel 52 and a receiving chamber 53, and the side of the first guide wall arranged close to the saw blade 2 facing away from the saw blade 2 is the above-mentioned action surface 521, which is used to quickly guide iron chips into the receiving chamber 53.

[0060] like Figure 2-Figure 4 As shown, the chip feed port 51 is arranged facing the bottom plate 1 to collect iron chips generated by the operation of the saw blade 2. Specifically, the chip feed port 51 includes a first shielding surface 511 and a second shielding surface 512. On the plane where the saw blade 2 is located, the first shielding surface 511 is a side away from the saw blade 2, and the second shielding surface 512 is a side close to the saw blade 2, wherein the first shielding surface 511 is spaced apart from the saw blade 2, and the second shielding surface 512 is provided with a slot 514 for allowing the saw blade 2 to pass through. Such a configuration helps to maximize the entry of iron chips generated by the operation of the saw blade 2 into the chip feed port 51.

[0061] At this time, an iron chip baffle 6 is provided on the first shielding surface 511. Figure 3 and Figure 8 As shown, the first shielding surface 511 is a side surface of the mounting plate 513 constructed on the first box body 501, and the two ends of the iron chip baffle 6 are bent so as to be sleeved on the mounting plate 513, and the iron chip baffle 6 is fixedly attached to the first shielding surface 511. Of course, the iron chip baffle 6 can also be installed and fixed in other ways, such as screw fixing or clamping, which will not be described in detail here. In this embodiment, the above-mentioned iron chip baffle 6 is vertically arranged, and the iron chip baffle 6 and the bottom plate 1 are vertically arranged, so as to further improve the rebound effect of the iron chip baffle 6 and improve the collection effect of the dust box 5.

[0062] like Figure 4As shown, a baffle 55 is provided on the second shielding surface 512. Specifically, the baffle 55 is arranged in parallel with the iron chip baffle 6. The baffle 55 is located at the starting section of the action surface 521, so as to effectively prevent the iron chips from being unable to enter the accommodating chamber 53 through the collecting channel 52 due to power or angle problems. That is, the baffle 55 is used to prevent the iron chips entering the collecting channel 52 from flowing back out, thereby further improving the collection effect of the dust box 5.

[0063] In this embodiment, the chip outlet 54 is arranged near the accommodating chamber 53, and a cover plate 8 is arranged at the chip outlet 54. The cover plate 8 is arranged to facilitate the operator to control the opening and closing of the chip outlet 54, thereby improving the use effect of the metal saw by the operator. Preferably, the chip outlet 54 is perpendicular to the direction of the chip inlet 51 and is arranged in a direction away from the saw blade 2. Such an arrangement helps to discharge the iron chips inside the accommodating chamber 53, facilitates the operator to collect and process the metal iron chips after cutting, and greatly facilitates the operator to clean the environment.

[0064] Since the iron filings generated by the saw blade 2 have a certain temperature, after the metal saw has been used for a long time, the inner wall of the dust box 5 will be damaged due to the impact of the iron filings. In addition, the first box body 501 of the dust box 5 is arranged between the saw blade 2 and the drive motor 91, which makes the disassembly, assembly and replacement of the dust box 5 more complicated. In order to better extend the service life of the dust box 5, the metal saw is also provided with a protective plate 7, such as Figure 2 , Figure 3 , Figure 4 and Fig. 9 As shown, the protection plate 7 is arranged inside the first box body 501 and is matched with the first side wall 5011. Meanwhile, the above-mentioned iron chip baffle 6 can also be arranged only on the first box body 501.

[0065] In addition, if Figure 7 As shown, a receiving groove 5022 is provided on the second side wall 5021 of the second box body 502 and on the inner side surface of the second side wall 5021. The receiving groove 5022 is concave inwardly toward the direction away from the first box body 501 so as to increase the internal volume of the dust box 5, thereby extending the cleaning cycle of the dust box 5, which helps to further improve the use effect of the dust box 5.

[0066] The above is only a preferred specific implementation of the utility model, but the protection scope of the utility model is not limited thereto. Any changes or substitutions that can be easily thought of by a person skilled in the art within the technical scope disclosed by the utility model should be included in the protection scope of the utility model. Therefore, the protection scope of the utility model should be based on the protection scope of the claims.

Claims

1. A metal saw, characterized in that: include: Base plate; A saw blade, the saw blade is rotatably mounted on the bottom plate, the saw blade is arranged perpendicular to the bottom plate, and a portion of the saw blade extends below the bottom plate; A first housing, the first housing being disposed on the bottom plate to cover at least a portion of the saw blade located above the bottom plate; A dust box is arranged on the first shell and is located above the first shell. The dust box has a chip feed port, a collection channel and a accommodating cavity. The chip feed port is arranged facing the bottom plate and covers a part of the saw blade.

2. The metal saw according to claim 1, characterized in that Along the radial direction of the saw blade, the chip feed port and the accommodating cavity are respectively arranged on both sides of the saw blade, and the collecting channel has an action surface adapted to the saw blade.

3. The metal saw according to claim 2, characterized in that An iron chip baffle is arranged on a side of the chip feed port away from the saw blade, so as to receive and rebound the iron chips entering the chip feed port.

4. The metal saw according to claim 3, characterized in that A baffle is arranged on a side of the chip feed port close to the saw blade.

5. The metal saw according to claim 2, characterized in that: The dust box comprises: a first box body, the first box body being arranged on the first shell; a second box body, wherein the second box body is arranged on the first box body; The first box body and the second box body are assembled to form the chip inlet, the collecting channel and the accommodating chamber.

6. The metal saw according to claim 5, characterized in that The dust collecting box also has a chip outlet, which is arranged close to the accommodating cavity and a cover plate is arranged at the chip outlet.

7. The metal saw according to claim 6, characterized in that The chip outlet is oriented perpendicular to the chip inlet and is arranged in a direction away from the saw blade.

8. The metal saw according to claim 5, characterized in that The first box body has a first side wall arranged parallel to the saw blade, and the metal saw further comprises: A protection plate is arranged inside the first box body and is matched with the first side wall.

9. The metal saw according to claim 5, characterized in that The second box body has a second side wall arranged parallel to the saw blade, and a receiving groove is arranged on the inner side surface of the second side wall.

10. The metal saw according to claim 1, characterized in that The metal saw also includes: The second shell is movably arranged on the first shell, and the second shell can cover the part of the saw blade located below the bottom plate.

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