Double-dust-suction-inlet structure for electric tool

By designing a double vacuum port structure in the dustproof cover of the grinder, the problem of insufficient dust cleaning rate under the single vacuum port structure is solved, and efficient dust absorption and stable cleaning effect of working surfaces is achieved.

CN222768038UActive Publication Date: 2025-04-18ZHEJIANG BODA IND
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Patent Information

Application Number
CN202420550348.7
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-03-21
Publication Date
2025-04-18
Estimated Expiration
2034-03-21

AI Technical Summary

Technical Problem

The single vacuum port structure of the existing grinder results in insufficient dust cleaning rate, especially when the working surface is uneven, dust is prone to falling off.

Method used

A double vacuum suction port structure is designed to be distributed in the dustproof cover to ensure that the dust can be fully absorbed and maintain the vacuum suction capacity when the working surface is raised.

Benefits of technology

It realizes efficient dust absorption, avoids dust falling, and improves the cleaning effect and use stability of the grinder.

✦ Generated by Eureka AI based on patent content.

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    Figure CN222768038U_ABST
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Abstract

The utility model discloses a double-dust-suction-inlet structure for an electric tool, which is mounted on a machine head and comprises a dust cover, a chip outlet pipe and a dust suction pipe. The dust cover is installed on the machine head, and a dust collection cavity is formed below the dust cover to cover the grinding disc. The scrap discharging pipe is installed on the dustproof cover and provided with two dust suction pipelines, and the dust suction pipes are connected with the scrap discharging pipe. According to the utility model, the two dust suction ports are designed and distributed in the dust cover, so that dust can be fully sucked away, and when the dust cover tilts, the dust suction capability can be ensured not to be attenuated, and the dust is prevented from falling off.
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Description

Technical Field

[0001] The utility model belongs to the technical field of electric tools, and in particular relates to a double dust suction port structure for electric tools. Background Art

[0002] A grinding machine is a tool that replaces the traditional method of workers using sandpaper to grind walls and objects, so as to achieve the purpose of smoothness, dust-free, and protect the physical and mental health of workers, optimize the working environment, improve work efficiency, and enhance the quality of decoration. Grinding is divided into dusty grinding and dust-free grinding, which can be used to grind walls, floors, steps, and the surface of other objects.

[0003] The current structure of the grinder uses batteries or mains electricity as an energy source, and uses a motor to drive the grinding disc to rotate rapidly, thereby acting on the surface for grinding. Among them, for environmental hygiene and to protect the health of the user, a dustproof cover will be set on the head of the machine to prevent dust and impurities from spreading in the working space. In order to keep it clean, a vacuum tube will be equipped to suck away the dust in the cover. However, the existing grinder has only one vacuum port, which makes the dust cleaning rate in the cover insufficient. Moreover, when the grinder is grinding walls or ceilings, because the working surface is not flat enough, one side will be lifted up, and dust will fall out at this time. Utility Model Content

[0004] In view of the deficiencies in the prior art, the utility model provides a double dust suction port structure for an electric tool. By designing two dust suction ports distributed in a dust cover, dust can be fully sucked away. When the tool tip is lifted, the dust suction capacity will not be attenuated, thus preventing dust from falling.

[0005] In order to solve the above technical problems, the utility model solves them through the following technical solutions: a double dust suction port structure for an electric tool, installed on the machine head, including a dust cover, a chip discharge pipe and a dust suction pipe; the dust cover is installed on the machine head and a dust collecting chamber is formed at the bottom to cover the grinding disc; the chip discharge pipe is installed on the dust cover and is provided with two dust suction pipes, and the dust suction pipe is connected to the chip discharge pipe.

[0006] In the above technical solution, preferably, the dust cover is provided with a support plate, and the support plate is provided with two dust suction ports; an inlet is provided at the bottom of each end of the chip discharge pipe, and the chip discharge pipe is installed on the support plate and the dust suction port is connected to the inlet.

[0007] Preferably, an outlet is provided at the top of the chip discharge pipe, and the outlet is connected to the dust suction pipe.

[0008] In the above technical solution, preferably, the chip discharge pipe includes an upper chip discharge pipe and a lower chip discharge pipe; the lower chip discharge pipe is provided with an inlet at each end, the dust cover is provided with a support plate, the support plate is provided with two dust suction ports, the chip discharge pipe is installed on the support plate and the dust suction port is connected to the inlet.

[0009] Preferably, the upper chip discharge pipe is provided with an outlet, and the outlet is connected to the dust suction pipe by a clamp.

[0010] In the above technical solution, preferably, the chip discharge pipe is formed by sealingly splicing a left chip discharge pipe and a right chip discharge pipe, and the ends of the left chip discharge pipe and the right chip discharge pipe are provided with inlets; the dust cover is provided with a support plate, and the support plate is provided with two dust suction ports, and the chip discharge pipe is installed on the support plate and the dust suction port is connected to the inlet.

[0011] Preferably, the chip discharge pipe is provided with an outlet, and the outlet is provided on the left chip discharge pipe or the right chip discharge pipe; the outlet is connected to the dust suction pipe by a clamp.

[0012] Preferably, the joint of the left chip discharge pipe and the right chip discharge pipe is combined to form an outlet, and the outlet is connected to the dust suction pipe by a clamp.

[0013] Preferably, an outer cover is arranged below the support plate, and the outer cover forms the dust collecting chamber; a brush ring is arranged at the bottom of the outer cover, and the outer cover is made of transparent material, and a luminous ring is arranged on the inner wall.

[0014] Preferably, the electric tool is further provided with a catheter assembly, the front end of the catheter assembly is provided with a bracket, and the head is provided on the bracket; the rear end of the catheter assembly is provided with a handle, and the middle section is provided with a switch.

[0015] The utility model provides a double dust suction port structure for an electric tool. By designing two dust suction ports distributed in a dust cover, dust can be fully sucked away, and when tilting occurs, the dust suction capacity can be ensured not to be attenuated, thereby preventing dust from falling. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the drawings required for use in the embodiments or the description of the prior art will be discussed below. Obviously, the technical solutions described in conjunction with the drawings are only some embodiments of the utility model. For ordinary technicians in this field, other embodiments and their drawings can be obtained based on the embodiments shown in these drawings without paying creative work.

[0017] Figure 1 It is a left side view of an electric tool using the structure of the utility model.

[0018] Figure 2 It is a right side view of an electric tool using the structure of the utility model.

[0019] Figure 3 It is an exploded view of the chip discharge pipe and its peripheral parts of the utility model.

[0020] In the figure: machine head 1, grinding disc 11, catheter assembly 2, handle 21, switch 22, bracket 23, dust cover 3, support plate 31, dust suction port 311, outer cover 32, brush ring 33, luminous ring 34, chip discharge pipe 4, upper chip discharge pipe 41, outlet 411, lower chip discharge port pipe 42, inlet 421, dust suction pipe 5, clamp 51. DETAILED DESCRIPTION

[0021] The following will be combined with the accompanying drawings to clearly and completely describe the technical solutions of the various embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments described in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0022] like Figures 1 to 3 As shown, the first embodiment discloses a double dust suction port structure for an electric tool, which is installed on a machine head 1 and includes a dust cover 3, a chip discharge pipe 4 and a dust suction pipe 5; the dust cover 3 is installed on the machine head 1 and a dust collecting chamber is formed below to cover the grinding disc 11; the chip discharge pipe 4 is installed on the dust cover 3 and is provided with two dust suction pipelines, and the dust suction pipe 5 is connected to the chip discharge pipe 4. The dust cover 3 is provided with a support plate 31, and the support plate 31 is provided with two dust suction ports 311; the bottom of both ends of the chip discharge pipe 4 is respectively provided with an inlet 421, and the chip discharge pipe 4 is installed on the support plate 31 so that the dust suction port 311 and the inlet 421 are connected.

[0023] The device is provided with two dust suction ports 311 distributed in the dust collecting chamber, so that the dust can be fully sucked away. Moreover, when one side of the dust cover is tilted, the dust suction work can also be completed, so as to prevent dust from falling.

[0024] The top of the chip discharge pipe 4 is provided with an outlet 411, and the outlet 411 is connected to the dust suction pipe 5. The connection method can use a clamp 51.

[0025] In addition, an outer cover 32 is provided below the support plate 31 of the device. The outer cover 32 is supported by a transparent material, like an inverted bowl, so that a dust collecting chamber is formed inside to surround the grinding plate 11.

[0026] A brush ring 33 is provided at the bottom of the outer cover 32. The brush ring 33 acts on the surface to clean the dust and prevent the dust from escaping from the dust collecting chamber.

[0027] A luminous ring 34 is provided on the inner wall of the outer cover 32, which emits light when powered on, so that the operator can see the wall clearly.

[0028] The electric tool is also provided with a catheter assembly 2, the front end of the catheter assembly 2 is provided with a bracket 23, and the machine head 1 is arranged on the bracket 23; the rear end of the catheter assembly 2 is provided with a handle 21, and the middle section is provided with a switch 22.

[0029] Embodiment 2: The chip discharge pipe 4 of the device includes an upper chip discharge pipe 41 and a lower chip discharge pipe 42. After the two parts are combined, a sealing strip is placed at the connection to form a complete chip discharge pipe 4. Then, an inlet 421 is provided at each end of the lower chip discharge pipe 42, and the support plate 31 is also provided with two dust suction ports 311. The dust suction ports 311 and the inlets 421 are connected correspondingly, and then the chip discharge pipe 4 is installed on the support plate 31.

[0030] In addition, an outlet 411 is provided above the middle section of the upper chip discharge pipe 41 and is connected to the dust suction pipe 5 by a clamp 51 .

[0031] Embodiment 3, the chip discharge pipe 4 of the device is formed by sealing and splicing the left chip discharge pipe and the right chip discharge pipe, and the two can be connected by fasteners, or connected in one by hot melting. Then, an inlet 421 is set at the end of the left chip discharge pipe and the right chip discharge pipe. The support plate 31 is provided with two dust suction ports 311. The dust suction port 311 and the inlet 421 are connected correspondingly, and then the integrated chip discharge pipe 4 is installed on the support plate 31.

[0032] In addition, the outlet 411 is arranged on either the left chip discharge pipe or the right chip discharge pipe, and then the dust suction pipe 5 is connected by the clamp 51. Alternatively, the outlet 411 is formed by merging the left chip discharge pipe and the right chip discharge pipe at their joint.

[0033] It is obvious to those skilled in the art that the present invention is not limited to the details of the exemplary embodiments described above, and that the present invention can be implemented in other specific forms without departing from the spirit or essential features of the present invention. Therefore, the embodiments should be regarded as exemplary and non-restrictive from any point of view. The scope of the present invention is defined by the appended claims, rather than the above description, and it is intended that all changes falling within the meaning and scope of the equivalent elements of the claims are included in the present invention. Any figure mark in the claims should not be regarded as limiting the claims involved.

[0034] In addition, it should be understood that although the present specification is described according to implementation modes, not every implementation mode contains only one independent technical solution. This description of the specification is only for the sake of clarity. Those skilled in the art should regard the specification as a whole. The technical solutions in each embodiment may also be appropriately combined to form other implementation modes that can be understood by those skilled in the art.

Claims

1. A double suction port structure for an electric tool, mounted on a tool head (1), characterized in that: The invention comprises a dust cover (3), a chip discharge pipe (4) and a dust suction pipe (5); the dust cover (3) is mounted on the machine head (1) and a dust collecting chamber is formed at the bottom thereof to cover the grinding disc (11); the chip discharge pipe (4) is mounted on the dust cover (3) and is provided with two dust suction pipes, and the dust suction pipe (5) is connected to the chip discharge pipe (4); the dust cover (3) is provided with a support plate (31), and the support plate (31) is provided with two dust suction ports (311); an inlet (421) is respectively provided at the bottom of both ends of the chip discharge pipe (4), and the chip discharge pipe (4) is mounted on the support plate (31) so that the dust suction port (311) and the inlet (421) are connected; an outlet (411) is provided at the top of the chip discharge pipe (4), and the outlet is connected to the dust suction pipe (5).

2. A double suction port structure for an electric tool according to claim 1, characterized in that: The chip discharge pipe (4) comprises an upper chip discharge pipe (41) and a lower chip discharge pipe (42); the lower chip discharge pipe (42) is provided with an inlet (421) at each end; the dust cover (3) is provided with a support plate (31); the support plate (31) is provided with two dust suction ports (311); the chip discharge pipe (4) is mounted on the support plate (31) such that the dust suction ports (311) and the inlet (421) are connected.

3. A double suction port structure for an electric tool according to claim 2, characterized in that: The upper chip discharge pipe (41) is provided with an outlet (411), and the outlet (411) is connected to the dust suction pipe (5) by means of a clamp (51).

4. The double dust suction port structure for an electric tool according to claim 1, characterized in that: The chip discharge pipe (4) is formed by sealingly splicing a left chip discharge pipe and a right chip discharge pipe, and the ends of the left chip discharge pipe and the right chip discharge pipe are provided with an inlet (421); the dust cover (3) is provided with a support plate (31), and the support plate (31) is provided with two dust suction ports (311); the chip discharge pipe (4) is installed on the support plate (31) so that the dust suction port (311) and the inlet (421) are connected.

5. The double dust suction port structure for an electric tool according to claim 4, characterized in that: The chip discharge pipe (4) is provided with an outlet (411), and the outlet (411) is provided on the left chip discharge pipe or the right chip discharge pipe; the outlet (411) is connected to the dust suction pipe (5) by means of a clamp (51).

6. A double suction port structure for an electric tool according to claim 4, characterized in that: The joint of the left chip discharge pipe and the right chip discharge pipe is combined to form an outlet (411), and the outlet (411) is connected to the dust suction pipe (5) by means of a clamp (51).

7. A double suction port structure for an electric tool according to claim 2 or 4, characterized in that: An outer cover (32) is arranged below the support plate (31), and the outer cover (32) forms the dust collecting chamber; a brush ring (33) is arranged at the bottom of the outer cover (32); the outer cover (32) is made of a transparent material, and a luminous ring (34) is arranged on the inner wall.

8. The double dust suction port structure for an electric tool according to claim 7, characterized in that: The electric tool is further provided with a catheter assembly (2), the front end of the catheter assembly (2) being provided with a bracket (23), the head (1) being provided on the bracket (23); the rear end of the catheter assembly (2) being provided with a handle (21), and the middle section being provided with a switch (22).