Electric circular saw

Abstract

The utility model particularly relates to an electric circular saw. The electric circular saw specifically comprises a shell, a motor and a dust removal piece. The shell is provided with a containing space and a vent hole communicated with the containing space. The motor is arranged in the containing space, and an output shaft of the motor deviates from the vent hole. The dust removal piece is detachably arranged on the shell and provided with a communication channel for prolonging the depth of the vent hole. According to the electric circular saw, the dust removal piece is arranged on the shell, so that the communication path between the containing space and the external environment can be prolonged, and the difficulty that external dust enters the containing space is increased. And meanwhile, the dust removal part is detachably connected with the shell, so that a user can clean dust by detaching the dust removal part, and the convenience of cleaning the dust at the air inlet of the motor is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of electric tools, in particular to an electric circular saw. Background Art

[0002] The electric circular saw currently used in the market is the most efficient cutting tool for cutting building and decoration materials. Its working principle is that the motor drives the saw blade to rotate through the reduction mechanism. It has a simple structure, is easy to carry, flexible and light to use, and has high cutting efficiency. Its cutting efficiency is several times or even dozens of times that of manual labor, which greatly reduces the labor intensity of the operator and is widely used in all walks of life.

[0003] However, the existing electric circular saws have the following shortcomings during use: for example, the dust accumulated at the air inlet of the motor is inconvenient to clean due to size or location issues, resulting in users not frequently cleaning the dust accumulated at the air inlet, which in turn leads to failure of heat dissipation for the motor, and the motor may eventually burn out quickly due to overheating. Utility Model Content

[0004] The purpose of the utility model is to at least solve the problem of inconvenience in cleaning dust at the motor air inlet of the existing electric circular saw. This purpose is achieved through the following technical solutions:

[0005] The utility model provides an electric circular saw, comprising:

[0006] A shell having a receiving space and a vent hole communicating with the receiving space;

[0007] A motor, wherein the motor is arranged in the accommodation space, and an output shaft of the motor is arranged away from the vent hole;

[0008] A dust removing member is detachably arranged on the shell, and the dust removing member has a connecting passage extending the depth of the vent hole.

[0009] The electric circular saw of the utility model comprises a housing, a motor and a dust removal member, wherein the housing has a storage space for accommodating the motor, and the dust removal member is arranged on the housing to extend the communication path between the storage space and the external environment, which helps to increase the difficulty of external dust entering the storage space. At the same time, the dust removal member and the housing are arranged to be detachably connected, so that the user can clean the dust by disassembling the dust removal member, which helps to improve the convenience of dust cleaning at the air inlet of the motor.

[0010] In addition, the electric circular saw according to the utility model may also have the following additional technical features:

[0011] In some embodiments of the present invention, the housing comprises:

[0012] A first shell, wherein the first shell has a receiving cavity, and one end of the receiving cavity is open;

[0013] The second shell is arranged on the first shell, the second shell closes the opening and surrounds the accommodating space with the first shell, and the second shell is provided with the vent hole and the dust removal member.

[0014] In some embodiments of the present invention, the dust removal component is inserted into the second shell.

[0015] In some embodiments of the present invention, an insertion slot for inserting the dust removal component is provided on the second shell, and the communication channel is provided inside the accommodating space.

[0016] In some embodiments of the present invention, the electric circular saw further comprises:

[0017] A limit assembly is provided on the shell, and the limit assembly has a first state of pressing and limiting the dust removal component from being separated from the insertion slot.

[0018] In some embodiments of the utility model, an installation cavity is provided on the shell, and the limiting assembly includes an elastic member and a pressing member. In the first state, the elastic member compresses and drives at least a portion of the pressing member to protrude out of the installation cavity and abut against the dust removal member.

[0019] In some embodiments of the utility model, a limiting groove is provided on the dust removing member, and the limiting groove accommodates the protruding portion of the pressing member.

[0020] In some embodiments of the present invention, a avoidance groove is provided on the second shell, and a avoidance hole is provided on the dust removal component, and the avoidance groove, the avoidance hole and the limiting groove are connected in sequence.

[0021] In some embodiments of the present invention, a pressing piece is disposed on the first shell, and the pressing piece cooperates with the second shell to clamp the dust removing piece.

[0022] In some embodiments of the present invention, the electric circular saw further comprises a bottom plate, on which the first shell is movably disposed, and the first shell has an operating portion for being gripped by a hand. BRIEF DESCRIPTION OF THE DRAWINGS

[0023] 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:

[0024] Figure 1 It is a structural schematic diagram of an electric circular saw shown in an embodiment of the utility model;

[0025] Figure 2 It is a partial structural exploded schematic diagram of an electric circular saw shown in an embodiment of the utility model;

[0026] Figure 3 It is a schematic diagram of the partial structure of the electric circular saw shown in the embodiment of the utility model at a certain viewing angle;

[0027] Figure 4 for Figure 3 Schematic diagram of the cross section in the AA direction;

[0028] Figure 5 for Figure 4 The enlarged schematic diagram of the middle part B;

[0029] Figure 6 It is a schematic structural diagram of the dust removal component shown in an embodiment of the utility model.

[0030] The symbols in the accompanying drawings are as follows:

[0031] 100. Electric circular saw;

[0032] 1. Bottom plate;

[0033] 2. first shell; 201. accommodating space;

[0034] 21, first part; 211, shield; 212, operating part; 22, second part; 221, baffle; 222, top pressure piece; 223, connecting plate;

[0035] 3. Second housing; 31. Ventilation hole; 32. Insertion slot; 33. Avoidance slot; 34. Installation cavity;

[0036] 4. Dust removal part; 41. Communication channel; 42. Limiting groove; 43. Avoidance hole;

[0037] 51. first connecting member; 52. second connecting member;

[0038] 6. Limiting assembly; 61. Elastic member; 62. Pressing member;

[0039] 7. Battery pack. DETAILED DESCRIPTION

[0040] 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.

[0041] 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.

[0042] 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.

[0043] 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 above and below orientations.

[0044] The electric circular saw currently used in the market is the most efficient cutting tool for cutting building and decoration materials. Its working principle is that the motor drives the saw blade to rotate through the reduction mechanism. It has a simple structure, is easy to carry, flexible and light to use, and has high cutting efficiency. Its cutting efficiency is several times or even dozens of times that of manual labor, which greatly reduces the labor intensity of the operator and is widely used in all walks of life.

[0045] However, the existing electric circular saws have the following shortcomings during use: for example, the dust accumulated at the air inlet of the motor is inconvenient to clean due to size or location issues, resulting in users not frequently cleaning the dust accumulated at the air inlet, which in turn leads to failure of heat dissipation for the motor, and the motor may eventually burn out quickly due to overheating.

[0046] In order to solve the above problems, the present application proposes an electric circular saw, which can at least solve the problem of inconvenience in cleaning dust at the air inlet of the motor of the existing electric circular saw.

[0047] In terms of overall design, Figure 1 and Figure 2 As shown, the electric circular saw includes a housing, a motor and a dust removal member 4. The housing has a receiving space 201 and a vent hole 31 communicating with the receiving space 201. The motor is arranged in the receiving space 201, and the output shaft of the motor is arranged away from the vent hole 31. The dust removal member 4 is detachably arranged on the housing, and the dust removal member 4 has a communication channel 41 extending the depth of the vent hole 31.

[0048] The electric circular saw described in the present application is provided with a dust removal member 4 on the housing to extend the communication path between the accommodation space 201 and the external environment, which helps to increase the difficulty of external dust entering the accommodation space 201. At the same time, the dust removal member 4 and the housing are provided to be detachably connected, so that the user can remove the dust removal member 4 to clean the dust, which helps to improve the convenience of dust cleaning at the air inlet of the motor.

[0049] Specifically, if Figure 1 As shown, the electric circular saw includes a base plate 1 and a housing disposed on the base plate 1. The housing contains a space 201, which is used to accommodate the motor. A saw blade is disposed at the output end of the motor, and the output axis of the motor is perpendicular to the plane where the saw blade is located. At the same time, at least part of the saw blade is covered by the first housing 2 to improve the safety of the electric circular saw. Preferably, the motor is a brushless motor.

[0050] In this embodiment, the housing is movably arranged on the bottom plate 1 to enable depth adjustment and angle adjustment, wherein the depth refers to the depth of the saw blade after passing through the bottom plate 1, and the angle refers to the angle between the plane where the saw blade is located and the bottom plate 1. By arranging the housing to be movable on the bottom plate 1, the flexibility of the electric circular saw can be effectively improved, so that it can work in a variety of environments, thereby ensuring the applicability of the electric circular saw.

[0051] It should be noted that the housing can also be fixedly arranged on the bottom plate 1, and in this case, the electric circular saw can still perform basic cutting work. The connection relationship between the housing and the bottom plate 1 includes but is not limited to the above content.

[0052] Furthermore, if Figure 1 As shown, the housing includes a first housing 2 and a second housing 3 , and the second housing 3 is connected to the first housing 2 to form a receiving space 201 .

[0053] Specifically, by setting a matching structure between the first shell 2 and the second shell 3 to form a housing space 201 for installing the motor, on the one hand, it can effectively ensure the convenience of motor installation, and on the other hand, it can also realize the housing of the motor by the shell, ensure the safety of the motor when working, and help reduce the impact of the external environment on the motor.

[0054] In the embodiment of the present application, the first shell 2 has a receiving cavity, and one end of the receiving cavity is open, and a plurality of threaded holes are arranged around the opening of the receiving cavity. Correspondingly, a plurality of connecting holes are arranged on the second shell 3, and at this time, by arranging a second connecting member 52 that can pass through the connecting hole and be screwed in the threaded hole, the first shell 2 and the second shell 3 can be connected. At the same time, the second shell 3 closes the opening and surrounds the receiving space 201 with the first shell 2. The connection between the first shell 2 and the second shell 3 is simple and convenient by screwing, and easy to assemble and disassemble.

[0055] It should be noted that, in addition to the above connection method, the first housing 2 and the second housing 3 can also be fixedly connected by other methods such as snap connection, etc., which will not be described in detail here.

[0056] Further, as Figure 1 As shown, the first housing 2 includes a first portion 21 and a second portion 22, wherein the first portion 21 includes a shield 211 for covering the saw blade and an operating portion 212 for hand gripping. The second portion 22 is disposed on the first portion 21 to form the above-mentioned accommodation cavity.

[0057] Specifically, the motor can be first fixedly arranged on the first part 21, and then the second part 22 is fixedly connected to the first part 21 to form a housing cavity that wraps the motor, thereby achieving the installation and fixation of the motor on the first housing 2. By setting the first housing 2 as the first part 21 and the second part 22, it helps to further reduce the difficulty of installing the motor. At the same time, the setting of the grip and the shield 211 helps to ensure the convenience and safety of using the electric circular saw.

[0058] In this embodiment, the first part 21 is provided with a fixing hole, and the second part 22 is provided with a mounting hole. By providing a first connector 51 that can pass through the mounting hole and be screwed with the fixing hole, the second part 22 can be installed on the first part 21 to form the first housing 2, and at this time, the second housing 3 can be detachably arranged on the second part 22. Such an arrangement not only helps to further reduce the difficulty of installing the motor and improve the assembly efficiency of the electric circular saw, but also improves the convenience of disassembling and assembling the second part 22, thereby reducing the difficulty of users cleaning the accommodation space 201, that is, the difficulty of cleaning the motor cavity, which helps to further ensure the heat dissipation effect of the motor.

[0059] It should be noted that the second part 22 can be configured as a sleeve, and after the first part 21 is connected to the second part 22, the first part 21 is used to block one end of the sleeve to form a receiving cavity. Alternatively, the second part 22 can be configured as a sleeve, and a receiving groove is provided on the first part 21, and after the first part 21 is connected to the second part 22, the sleeve cooperates with the receiving groove to form a receiving cavity.

[0060] Further, the dust removal piece 4 is detachably arranged on the second shell 3 . Preferably, the dust removal piece 4 is inserted into the second shell 3 .

[0061] Specifically, the dust removal piece 4 and the second shell 3 are connected by plug-in connection, so that the user can plug and unplug the dust removal piece 4. Since the dust removal piece 4 is provided with a connecting channel 41, the connecting channel 41 extends the depth of the vent 31 so that part of the dust accumulates in the connecting channel 41. When the dust removal piece 4 is pulled out of the second shell 3, the dust removal piece 4 can be cleaned to achieve the cleaning effect of cleaning the dust at the vent 31, which helps to reduce the difficulty of cleaning the dust at the vent 31 and ensure the cleaning effect at the vent 31.

[0062] In the implementation mode of the present application, Figures 2 to 5As shown, a plurality of vents 31 are provided on the second shell 3. The vents 31 are long strips as a whole and extend along the first direction. The first direction is parallel to the bottom plate 1 and perpendicular to the axial direction of the motor. This arrangement increases the area where dust can be accumulated and increases the difficulty of dust entering the accommodating space 201. Accordingly, a plurality of connecting channels 41 are provided on the dust removal member 4. When the dustproof member is inserted into the second shell 3, the connecting channels 41 are arranged one by one with the vents 31, and the flow cross section of the connecting channels 41 is not less than the flow cross section of the vents 31 to ensure the fluidity of the air.

[0063] Furthermore, an insertion slot 32 is provided on the second shell 3 , and the insertion slot 32 is used to insert the dust removing member 4 , so that the communication channel 41 of the dust removing member 4 is located inside the accommodating space 201 .

[0064] Specifically, the dust removal member 4 can be fixedly arranged on the second housing 3 by providing the insertion slot 32, and at this time, the dust removal member 4 is at least partially accommodated in the accommodating space 201 through the insertion slot 32, which helps to reduce the influence of the external environment on the dust removal member 4, thereby ensuring the fixing effect of the dust removal member 4. At the same time, it can also avoid the influence of dust on the insertion slot 32, thereby helping to avoid the situation where the dust removal member 4 is not installed properly, thereby affecting the circulation effect of the vent hole 31.

[0065] In the embodiment of the utility model, the insertion slot 32 is provided at the top of the second housing 3, and the dust removal member 4 abuts against the bottom of the second housing 3 after passing through the insertion slot 32. At the same time, the top of the dust removal member 4 has a driving part accommodated outside the accommodation space 201, and the user can act on the driving part to make the dust removal member 4 detach from the second housing 3. By providing the driving part at the top of the dust removal member 4, on the one hand, the user can determine whether the bottom of the dust removal member 4 abuts against the bottom of the second housing 3 by acting on the driving part, thereby helping to ensure whether the communication channel 41 and the vent hole 31 are correspondingly arranged; on the other hand, it helps to reduce the difficulty of the user in pulling out the dust removal member 4, and ensure the use effect of the dust removal member 4.

[0066] It should be pointed out that, in addition to setting the communication channel 41 inside the accommodating space 201 , the dust removal component 4 may also be set outside the accommodating space 201 , and in this case, the communication channel 41 is located outside the accommodating space 201 .

[0067] Furthermore, the shell also includes a fixing structure, which is arranged on the first shell 2 or the second shell 3 to clamp the part of the dust removal component 4 located in the accommodating space 201.

[0068] Specifically, the fixing structure includes a first action surface for blocking the accommodating cavity, and a second action surface provided on the second portion 22, the first action surface and the second action surface respectively abut against two opposite side surfaces of the dust removing member 4, thereby clamping the dust removing member 4. The fixing structure can effectively ensure the insertion effect of the dust removing member 4, thereby preventing the dust removing member 4 from shaking, thereby affecting the communication effect between the communication channel 41 and the vent hole 31.

[0069] In the implementation mode of the present application, Figure 2 , Figure 4 and Figure 5 As shown, a pressing piece 222 is provided on the second part 22 of the first shell 2, and the side of the pressing piece 222 facing the second shell 3 is the above-mentioned second action surface, and the side of the second shell 3 facing the second part 22 is the first action surface. When the second part 22 is fixedly connected to the second shell 3, a clamping space is formed between the pressing piece 222 and the second shell 3, and the dust removal piece 4 is accommodated in the clamping space after passing through the insertion slot 32, and abuts against the first action surface and the second action surface. As a preferred embodiment, the pressing piece 222 is provided in a cylindrical shape, and the axis of the pressing piece 222 is parallel to the axis of the motor or is located on the same straight line, and at this time, the pressing piece 222 and the second part 22 are fixedly connected by a plurality of connecting plates 223. The pressing piece 222 and the connecting plate 223 are provided inside the second part 22, which helps to improve the structural strength of the second part 22.

[0070] Furthermore, the electric circular saw further comprises a limiting assembly 6 , which is disposed on the housing and has a first state for pressing and limiting the dust removal component 4 from being separated from the insertion slot 32 .

[0071] Specifically, by setting the limit assembly 6 on the housing, a force can be generated to prevent the dust removal piece 4 from being separated from the insertion slot 32, so that the position of the vent hole 31 and the connecting channel 41 can be effectively guaranteed to correspond, thereby ensuring the flow effect of the vent hole 31. At the same time, by limiting the limit assembly 6 to have a first state, the limit assembly 6 can be switched by external action or instruction, so that the dust removal piece 4 can be pulled out while preventing the dust removal piece 4 from being separated from the insertion slot 32 on its own.

[0072] It should be understood that the limiting assembly 6 is a movable limiting structure, which can be set on the second part 22 or on the second housing 3. The limiting structure can change the current state through external operation. For example, under the drive of external force, the limiting structure can be moved or rotatably to the top of the dust removal member 4, or pressed against the dust removal member 4, etc. Due to the spatial relationship or pressure effect, the dust removal member 4 does not have the ability to escape from the insertion slot 32.

[0073] In the implementation mode of the present application, Figure 4 and Figure 5 As shown, a mounting cavity 34 is provided on the housing, and the limiting assembly 6 includes an elastic member 61 and a pressing member 62. In the first state, the elastic member 61 compresses and drives at least a portion of the pressing member 62 to protrude out of the mounting cavity 34 and abut against the dust removal member 4. Specifically, a baffle 221 is provided on the second portion 22, and a sleeve structure is provided on the second housing 3. When the second housing 3 is connected to the second portion 22, the baffle 221 can block the first end of the sleeve structure to form the mounting cavity 34, and at this time, the second end of the sleeve structure is spaced apart from the first action surface. At the same time, the elastic member 61 and the pressing member 62 are arranged in the installation cavity 34, one section of the elastic member 61 abuts against the baffle 221, and the other end of the elastic member 61 abuts against the pressing member 62. When the dust removing member 4 passes through the insertion slot 32 and enters the accommodating space 201, the dust removing member 4 drives the pressing member 62 to move toward the baffle 221 and compress the elastic member 61. When the dust removing member 4 is installed in place, the elastic member 61 enters the first compression state, and the limiting assembly 6 enters the first state. At this time, the pressing member 62 presses the dust removing member 4 under the action of the elastic member 61.

[0074] Furthermore, a limiting groove 42 is provided on the dust removing member 4 , and the limiting groove 42 accommodates the protruding portion of the pressing member 62 .

[0075] Specifically, by providing the limiting groove 42 on the dust removing member 4 to accommodate the protruding portion of the pressing member 62, it is helpful to further improve the limiting effect on the dust removing member 4 and prevent the dust removing member 4 from being separated from the insertion groove 32. By providing the limiting groove 42, the pressing member 62 can be inserted into the interior of the dust removing member 4, so that the pressing member 62 has a limiting surface, and after the limiting surface is pressed against the dust removing member 4, it can at least generate a force to prevent the dust removing member 4 from being separated from the insertion groove 32.

[0076] In the implementation mode of the present application, Figure 5 and Figure 6 As shown, the pressing member 62 is set to be spherical, and the limiting groove 42 has at least a spherical structure. After the pressing member 62 enters the limiting groove 42 under the action of the elastic member 61, the surface of the pressing member 62 abuts against the limiting groove 42. At this time, the spherical structure is set below the pressing member 62. In this way, the dust removal member 4 can be subjected to the pressing force formed by the elastic member 61 and the blocking force formed by the surface of the pressing member 62 in the path of leaving the insertion groove 32, which helps to further enhance the limiting effect of the limiting assembly 6. Among them, the elastic member 61 is a spring structure.

[0077] Furthermore, a avoidance groove 33 is provided on the second shell body 3 , and a avoidance hole 43 is provided on the dust removing member 4 . The avoidance groove 33 , the avoidance hole 43 and the limiting groove 42 are connected to each other.

[0078] Specifically, due to the action of the limiting assembly 6, it is more difficult for the dust removal member 4 to directly detach from the insertion slot 32. At this time, it is necessary to use external force to cause the limiting assembly 6 to detach from the first state. By providing the avoidance slot 33 and the avoidance hole 43, the user can directly act on the pressing member 62 and drive the pressing member 62 to detach from the limiting slot 42, so that the dust removal member 4 moves in the direction of detaching from the insertion slot 32, which helps to ensure the fixing effect of the dust removal member 4 while reducing the difficulty of pulling out the dust removal member 4, and helps to further ensure the use effect of the dust removal member 4.

[0079] In the implementation mode of the present application, Figure 3 and Figure 5 As shown, the limit groove 42 is arranged in the middle of the dust removal part 4, which helps to reduce the influence of the external environment on the pressing part 62. In order to ensure that the dust removal part 4 can be separated from the insertion slot 32, a avoidance hole 43 is arranged on the dust removal part 4, and the limit groove 42 is arranged on one side or the peripheral surface of the avoidance hole 43. At the same time, a avoidance groove 33 is arranged on the top of the second shell 3, wherein the avoidance groove 33, the avoidance hole 43 and the limit groove 42 are connected. In actual use, the user can use a flat-bladed screwdriver or other equipment to pass through the avoidance hole 43 and the avoidance groove 33 to push the pressing part 62 out of the limit groove 42, and pull out the dust removal part 4 with the hand; or use a flat-bladed screwdriver or other equipment to push the dust removal part 4 out of the insertion slot 32 for a certain distance and then pull it out, and then knock or clean the dust removal part 4 to remove the accumulated dust and then reinstall it into the insertion slot 32.

[0080] It should be noted that when the dust removal member 4 is separated from the insertion slot 32, the pressing member 62 will abut against the first action surface under the action of the elastic member 61 and will not separate from the installation cavity 34. Since the pressing member 62 is a spherical structure, the pressing member 62 will quickly move toward the baffle 221 under the action of the dust removal member 4 during the process of inserting the dust removal member 4 into the insertion slot 32.

[0081] Furthermore, Figure 1 As shown, a battery pack 7 is detachably provided on the first part 21 of the first shell 2, so as to further improve the convenience of using the electric circular saw, reduce the requirements for the environment, and thus improve the flexibility and applicability of the electric circular saw.

[0082] 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. An electric circular saw, characterized in that: include: A shell having a receiving space and a vent hole communicating with the receiving space; A motor, wherein the motor is arranged in the accommodation space, and an output shaft of the motor is arranged away from the vent hole; A dust removing member is detachably arranged on the shell, and the dust removing member has a connecting passage extending the depth of the vent hole.

2. The electric circular saw according to claim 1, characterized in that: The housing comprises: A first shell, wherein the first shell has a receiving cavity, and one end of the receiving cavity is open; The second shell is arranged on the first shell, the second shell closes the opening and surrounds the accommodating space with the first shell, and the second shell is provided with the vent hole and the dust removal member.

3. The electric circular saw according to claim 2, characterized in that: The dust removing member is inserted into the second shell.

4. The electric circular saw according to claim 3, characterized in that: The second shell is provided with an insertion slot for inserting the dust removal component, and the communication channel is arranged inside the accommodating space.

5. The electric circular saw according to claim 4, characterized in that: The electric circular saw also includes: A limit assembly is provided on the shell, and the limit assembly has a first state of pressing and limiting the dust removal component from being separated from the insertion slot.

6. The electric circular saw according to claim 5, characterized in that: The shell is provided with an installation cavity, and the limiting assembly includes an elastic member and a pressing member. In the first state, the elastic member compresses and drives at least a portion of the pressing member to protrude out of the installation cavity and abut against the dust removal member.

7. The electric circular saw according to claim 6, characterized in that: The dust removing member is provided with a limiting groove, and the limiting groove accommodates the protruding portion of the pressing member.

8. The electric circular saw according to claim 7, characterized in that: The second shell is provided with an avoidance groove, the dust removal component is provided with an avoidance hole, and the avoidance groove, the avoidance hole and the limiting groove are connected in sequence.

9. The electric circular saw according to claim 2, characterized in that: The first shell is provided with a pressing piece, and the pressing piece cooperates with the second shell to clamp the dust removing piece.

10. The electric circular saw according to claim 2, characterized in that: The electric circular saw further comprises a bottom plate, on which the first shell is movably arranged, and the first shell has an operating portion for being held by a hand.

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