Handheld sanding machine with dust collection device

Abstract

The utility model discloses a handheld sander with a dust collection device, which comprises a sander body and a grinding disc, the sander body is detachably connected with a dust collection cover, a gap exists between the dust collection cover and the grinding disc, the sander body is fixedly connected with a plurality of fans, the inner side wall of the dust collection cover is fixedly connected with a baffle, and an air inlet exists between the baffle and the grinding disc. An included angle is formed between the baffle and the inner side wall of the dust suction cover, so that when the dull polish disc is used, the fan is started and sucks chippings and dust generated by grinding into the gap to be collected, the working environment and health of a working branch hospital are maintained, and the dust in the gap can be accumulated in the included angle to be collected; therefore, subsequent cleaning is facilitated.

Description

TECHNICAL FIELD

[0001] The utility model belongs to the field of power tools, and relates to a handheld sander, in particular to a handheld sander with a dust collection device. BACKGROUND

[0002] The eccentric mechanism is driven by an AC / DC dual-purpose or single-phase series motor, so that rotary motion is changed into oscillation, and the sandpaper (or sand cloth) with corundum or other abrasives on the flat plate is used to sand the surface of wood, metal material and the like.

[0003] Such as the publication number for CN217224976U a handheld sander, including: the shell has the installation groove in the parallel direction on the shell with the working plane direction, the installation groove is provided with the input terminal of connecting battery pack;Motor, fixedly connected in the shell, is connected to the input terminal;Eccentric impeller, fixedly connected to the motor, the motor drives the eccentric impeller to rotate to vibrate;The chassis is fixedly connected to the shell, and the chassis is used to fix the sandpaper;Battery pack, detachably fixedly installed on the installation groove of the shell, the installation direction of battery pack is parallel with the working plane of sander.

[0004] When using the sander to polish, dust and debris will be generated, and long-term exposure to such an environment will affect the health of the workers, and the workers also need to clean the dust and debris after polishing, greatly increasing the labor intensity of the workers, which is not conducive to actual use. UTILITY MODEL CONTENTS

[0005] The utility model provides a handheld sander with dust collection device can collect the dust and debris generated while polishing the handheld sander.

[0006] The utility model discloses a handheld sander with dust collection device, including the body and the sanding disc of rotation connection on the bottom surface of body, its characterized in being that the dust cover of dust cover that sets up in the sanding disc outside is detachably connected on the body, there is a gap between the dust cover and the sanding disc, a plurality of fans are fixedly connected in the gap in the body, the baffle in the gap is fixedly connected on the inner side wall of dust cover, there is an air inlet between the baffle and the sanding disc, the baffle and the inner side wall of dust cover form an included angle, when the fan starts, the dust enters the included angle through the air inlet.

[0007] The utility model further optimizes the technical scheme as follows: the gap is provided with a mesh plate below the fan, and the mesh plate is fixedly connected with the body.

[0008] The utility model further optimizes the technical scheme as follows: the baffle is arranged obliquely.

[0009] The further preferred technical scheme of the utility model provides: the baffle and the machine body are all fixedly connected with a closing piece, the closing piece has elasticity, when the fan starts, the closing piece deforms and the air inlet opens, when the fan is off, the two closing pieces abut against each other and the air inlet closes.

[0010] The further preferred technical scheme of the utility model provides: a plurality of installation grooves are formed in the dust cover, a fixed plate is slidably connected in the installation groove, an annular groove is formed in the machine body, the dust cover extends to the annular groove, a clamping groove is formed in the inner wall of the annular groove for clamping the fixed plate, when the dust cover is installed in the annular groove, the fixed plate is clamped in the clamping groove.

[0011] The further preferred technical scheme of the utility model provides: the fixed plate is provided with at least two fixed plates.

[0012] The further preferred technical scheme of the utility model provides: the fixed plate comprises a clamping block, a pressing block and a connecting plate for connecting the clamping block and the pressing block, the clamping block is clamped with the clamping groove, the pressing block extends to the outside of the installation groove and the annular groove, when the clamping block needs to be separated from the clamping groove, the pressing block is pushed to make the connecting plate drive the clamping block to slide.

[0013] The further preferred technical scheme of the utility model provides: a plurality of slide rods are fixedly connected in the installation groove and pass through the connecting plate, and the slide rod is slidably connected with the connecting plate.

[0014] The further preferred technical scheme of the utility model provides: the slide rod is provided with two slide rods.

[0015] The further preferred technical scheme of the utility model provides: a spring is sleeved on the slide rod and located between the connecting plate and the side wall of the installation groove, and the spring deforms when sliding.

[0016] Compared with the prior art, the utility model discloses a machine body and a grinding disc, the dust cover is detachably connected to the machine body, there is a gap between the dust cover and the grinding disc, the machine body is fixedly connected with a plurality of fans, the inner side wall of the dust cover is fixedly connected with a baffle, there is an air inlet between the baffle and the grinding disc, an angle is formed between the baffle and the inner side wall of the dust cover, so that when the grinding disc is used, the fan is started, at this moment, the fan sucks the debris and dust generated by grinding into the gap for collection, thereby maintaining the working environment and health of the working division, and the dust in the gap can be collected in the angle, thereby facilitating subsequent cleaning. ACCURACY OF DRAWINGS

[0017] The present application will be described in further detail below in conjunction with the preferred embodiments and the accompanying drawings, but it will be appreciated that those skilled in the art will readily appreciate the application from this disclosure without departing from the scope of the application. Furthermore, the drawings are not necessarily drawn to scale except as otherwise noted, and are merely intended to convey concepts of the subject matter described herein. The application will be described with reference to the drawings in which:

[0018] Figure 1 is a schematic view of the present application;

[0019] Figure 2 is an exploded view of the present application;

[0020] Figure 3 is a schematic view of the present application Figure 2 is an enlarged view of portion A in the present application;

[0021] Figure 4 is a sectional view of the present application;

[0022] Figure 5 is an enlarged view of portion B in the present application. Figure 4

[0023] In the drawings: 1, machine body; 2, sanding disc; 3, dust cover; 4, gap; 5, clamping block; 6, pressing block; 7, connecting plate; 8, slide rod; 9, spring; 10, clamping groove; 11, baffle; 12, closure piece; 13, fan; 14, mesh plate; 15, annular groove; 16, mounting groove. DETAILED DESCRIPTION

[0024] The preferred embodiments of the present application will be described in detail below with reference to the accompanying drawings. Those skilled in the art will appreciate that these descriptions are merely illustrative and exemplary, and should not be construed as limiting the scope of the present application.

[0025] It should be noted that similar reference numerals refer to similar items throughout the drawings, and once an item is defined in one drawing, it can not be further defined and explained in subsequent drawings.

[0026] Figures 1-5 ​The hand-held sander with dust collection device shown in the figure, including the body 1 and the sanding disc 2 connected to the bottom surface of the body 1, the dust cover 3 is detachably connected to the body 1 and covers the sanding disc 2, the dust cover 3 is provided with a plurality of installation grooves 16, the fixing plate is slidably connected in the installation groove 16, the fixing plate includes a clamping block 5, a pressing block 6 and a connecting plate 7 for connecting the clamping block 5 and the pressing block 6, the body 1 is provided with an annular groove 15, the top end of the dust cover 3 extends into the annular groove 15, the inner side wall of the annular groove 15 is provided with a clamping groove 10 for clamping the clamping block 5, and the clamping block 5 is clamped into the clamping groove 10 when the top end of the dust cover 3 is installed in the annular groove 15.

[0027] Figures 3-5 The dust cover 3 is provided with a plurality of installation grooves 16, the fixing plate is slidably connected in the installation groove 16, the fixing plate includes a clamping block 5, a pressing block 6 and a connecting plate 7 for connecting the clamping block 5 and the pressing block 6, the body 1 is provided with an annular groove 15, the top end of the dust cover 3 extends into the annular groove 15, the inner side wall of the annular groove 15 is provided with a clamping groove 10 for clamping the clamping block 5, and the clamping block 5 is clamped into the clamping groove 10 when the top end of the dust cover 3 is installed in the annular groove 15.

[0028] Figures 3-5 The dust cover 3 is provided with a plurality of installation grooves 16, the fixing plate is slidably connected in the installation groove 16, the fixing plate includes a clamping block 5, a pressing block 6 and a connecting plate 7 for connecting the clamping block 5 and the pressing block 6, the body 1 is provided with an annular groove 15, the top end of the dust cover 3 extends into the annular groove 15, the inner side wall of the annular groove 15 is provided with a clamping groove 10 for clamping the clamping block 5, and the clamping block 5 is clamped into the clamping groove 10 when the top end of the dust cover 3 is installed in the annular groove 15.

[0029] Figures 3-5 The dust cover 3 is provided with a plurality of installation grooves 16, the fixing plate is slidably connected in the installation groove 16, the fixing plate includes a clamping block 5, a pressing block 6 and a connecting plate 7 for connecting the clamping block 5 and the pressing block 6, the body 1 is provided with an annular groove 15, the top end of the dust cover 3 extends into the annular groove 15, the inner side wall of the annular groove 15 is provided with a clamping groove 10 for clamping the clamping block 5, and the clamping block 5 is clamped into the clamping groove 10 when the top end of the dust cover 3 is installed in the annular groove 15.

[0030] Figures 3-5 The dust cover 3 is provided with a plurality of installation grooves 16, the fixing plate is slidably connected in the installation groove 16, the fixing plate includes a clamping block 5, a pressing block 6 and a connecting plate 7 for connecting the clamping block 5 and the pressing block 6, the body 1 is provided with an annular groove 15, the top end of the dust cover 3 extends into the annular groove 15, the inner side wall of the annular groove 15 is provided with a clamping groove 10 for clamping the clamping block 5, and the clamping block 5 is clamped into the clamping groove 10 when the top end of the dust cover 3 is installed in the annular groove 15.

[0031] Figures 3-5 The dust cover 3 is provided with a plurality of installation grooves 16, the fixing plate is slidably connected in the installation groove 16, the fixing plate includes a clamping block 5, a pressing block 6 and a connecting plate 7 for connecting the clamping block 5 and the pressing block 6, the body 1 is provided with an annular groove 15, the top end of the dust cover 3 extends into the annular groove 15, the inner side wall of the annular groove 15 is provided with a clamping groove 10 for clamping the clamping block 5, and the clamping block 5 is clamped into the clamping groove 10 when the top end of the dust cover 3 is installed in the annular groove 15.

[0032] Figures 3-5As shown, the sliding rod 8 is sleeved with a spring 9 between the connecting plate 7 and the side wall of the mounting groove 16. When the sliding rod 8 slides, the spring 9 deforms. When the connecting plate 7 slides into the mounting groove 16, the spring 9 deforms due to the extrusion of the connecting plate 7. When the dust cover 3 is inserted into the annular groove 15 and the clamping block 5 is aligned with the clamping groove 10, the hand pressing the pressing block 6 is released. At this time, the deformed spring 9 can push the connecting plate 7 and the clamping block 5 and the pressing block 6 to reset, so that the clamping block 5 is smoothly clamped into the clamping groove 10 to complete the fixing. This design plays a role in facilitating the resetting of the connecting plate 7, the clamping block 5 and the pressing block 6.

[0033] Figures 3-5 As shown, the dust cover 3 and the sanding disc 2 have a gap 4, which can facilitate the entry of dust and debris into the dust cover 3. The body 1 is fixedly connected with a plurality of fans 13 in the gap 4. Therefore, when the sander is used, the fans 13 are started. At this time, the fans 13 increase the flow rate in the gap 4, thereby causing a pressure difference between the inside and outside of the gap 4. Therefore, the dust generated during the grinding of the sander can be collected in the gap 4.

[0034] Figures 3-5 As shown, the gap 4 is provided with a mesh plate 14 below the fan 13. The mesh plate 14 is fixedly connected with the body 1. By arranging the mesh plate 14, the dust and debris can be blocked outside the fan 13, thereby avoiding the influence of the dust and debris on the fan 13. This design plays a role in protecting the fan 13.

[0035] Figures 3-5 As shown, the inner side wall of the dust cover 3 is fixedly connected with a baffle 11 located in the gap 4. The baffle 11 and the sanding disc 2 have an air inlet.

[0036] Figures 3-5 As shown, therefore, after the dust and debris enter the gap 4, the baffle 11 can effectively prevent the dust and debris from falling back when the fan 13 is closed. At the same time, since the baffle 11 is arranged obliquely, an angle is formed between the baffle 11 and the inner side wall of the dust cover 3. Therefore, when the fan 13 is closed, most of the dust and debris falls into the angle due to gravity and is collected. This design not only plays a role in blocking the dust and debris, but also can collect them for subsequent disassembly and cleaning.

[0037] ​ As shown, the baffle 11 and the body 1 are both fixedly connected with a closing piece 12. The closing piece 12 has elasticity. Therefore, when the fan 13 is started, the closing piece 12 deforms due to the pressure difference. At this time, the air inlet is opened, thereby facilitating the entry of dust and debris. When the fan 13 is closed, the two closing pieces 12 abut against each other and the air inlet is closed, thereby further preventing the dust and debris in the gap 4 from leaking out and affecting the environment.

[0038] The hand-held sanding machine with the dust suction device is introduced above, the principle and the implementation mode of the hand-held sanding machine with the dust suction device are described by applying specific examples in the paper, and the above implementation examples are only used for helping to understand the hand-held sanding machine with the dust suction device and the core idea. It should be pointed out that, for ordinary technical personnel in the technical field, some improvements and modifications can be made to the hand-held sanding machine with the dust suction device without departing from the principle of the hand-held sanding machine with the dust suction device, and the improvements and modifications also fall within the protection scope of the hand-held sanding machine with the dust suction device.

Claims

1. A hand-held sander with dust collection, comprising a machine body and a sanding disc rotatably connected to the bottom surface of the machine body, characterized in that, The dust cover is detachably connected to the machine body and covers the sanding disc, and a gap exists between the dust cover and the sanding disc.

2. The hand sander with dust extraction according to claim 1, characterized in that The gap is below the fan and is provided with a mesh plate which is fixedly connected to the machine body.

3. The hand sander with dust extraction according to claim 1, characterized in that The baffle is obliquely arranged.

4. The hand sander with dust extraction according to claim 1, characterized in that The baffle and the machine body are both fixedly connected with a closing sheet which is elastic.

5. The hand sander with dust extraction according to claim 1, characterized in that When the fan is started, the closing sheet is deformed and the air inlet is opened.

6. The hand sander with dust extraction according to claim 1, characterized in that When the fan is stopped, the two closing sheets abut against each other and the air inlet is closed.

7. The hand sander with dust extraction according to claim 5, characterized in that The dust cover is provided with a plurality of installation grooves in which a fixing plate is slidably connected.

8. The hand sander with dust extraction according to claim 7, characterized in that The machine body is provided with an annular groove in which the top end of the dust cover extends.

9. The hand sander with dust extraction according to claim 8, characterized in that The inner side wall of the annular groove is provided with a clamping groove in which the fixing plate is clamped.

10. The hand sander with dust extraction according to claim 8, characterized in that The fixing plate is provided with at least two clamping blocks. The fixing plate comprises a clamping block, a pressing block and a connecting plate which connects the clamping block and the pressing block. The clamping block is clamped in the clamping groove. When the clamping block needs to be separated from the clamping groove, the pressing block is pushed to drive the connecting plate and the clamping block to slide. The installation groove is fixedly connected with a plurality of slide rods which pass through the connecting plate. The slide rods are slidably connected with the connecting plate. The slide rods are provided with two. The slide rods are provided with a spring which is located between the connecting plate and the side wall of the installation groove. When the slide rods slide, the spring is deformed.

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