Handheld electric grinding machine

By designing the housing and components of a handheld electric grinder, the problems of handheld operation and portability in the prior art are solved, and flexible grinding and convenient portability of large products are achieved, and the convenience and accuracy of use are improved.

CN222269785UActive Publication Date: 2024-12-31ZHEJIANG DAMA TOOLS CO LTD
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Patent Information

Application Number
CN202421139727.3
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-05-23
Publication Date
2024-12-31
Estimated Expiration
2034-05-23

AI Technical Summary

Technical Problem

The existing handheld electric grinders are inconvenient to handheld and operate large products during use, and are inconvenient to carry, so they are less practical.

Method used

A handheld electric grinder including a housing, a grinding wheel assembly, a sealing assembly, a handle assembly, a fixing assembly and a support assembly is designed. By setting up a motor, a protective cover, a grinding wheel disc, a battery compartment and a storage battery, an adjustable seal is adopted. The cover and suspension ring provide a rotatable fixing rod and anti-slip soft sleeve for enhanced operational flexibility and portability.

Benefits of technology

It realizes convenient hand-held grinding and multi-angle operation of large products, improves the convenience and portability of use, prevents water invasion in the battery compartment, and enhances the accuracy and stability of grinding.

✦ Generated by Eureka AI based on patent content.

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  • Figure CN222269785U_ABST
    Figure CN222269785U_ABST
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Abstract

The utility model discloses a handheld electric grinding machine, which belongs to the technical field of grinding machines, and comprises a shell, a grinding wheel component arranged on one side of the shell, a sealing component arranged on one side of the grinding wheel component, a handle component arranged on one side of the shell, a fixing component arranged on one side of the handle component, and a driving component arranged on one side of the fixing component. The grinding wheel assembly and the sealing assembly are arranged, during use, a battery bin is held to enable a grinding wheel disc to be close to a grinding object, then a motor is started to drive the grinding wheel disc to rotate to grind a product, and the grinding position of the grinding wheel disc can be adjusted at any time; meanwhile, by rotating the sealing cover, the sealing cover is separated from the battery bin, the storage battery can be replaced at any time, meanwhile, the battery bin can be sealed, water is prevented from entering the battery bin, the product can be conveniently polished by hand holding, and use is convenient and easy.
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Description

Technical Field

[0001] The utility model relates to the technical field of grinding machines, in particular to a handheld electric grinding machine. Background Art

[0002] An electric grinder is a tool driven by an electric motor, usually used for grinding, polishing and trimming the surface of metal, wood and other materials. The working principle of an electric grinder is to use a rotating grinding wheel to grind the surface of the workpiece. The grinding wheel is usually made of abrasive particles bonded to a round tire. When the electric motor is started, the grinding wheel starts to rotate and contact the surface of the workpiece to achieve the grinding operation.

[0003] When existing handheld electric grinders need to grind small components, they can only hold the components by hand, which is dangerous, and cannot grind two components at the same time and with the same grinding degree.

[0004] The existing patent (Announcement No.: CN203956693U) is a grinding machine. During processing, the components are placed on the vise respectively, aligned with the scale on the clamp, and the vise cross bar is twisted to fix the component on the vise. The handle is held and the push rod is pushed to bring the component close to the grinding machine for processing, so that the grinding machine can safely cut and grind small components and can feed the components at the same time to achieve consistent cutting and grinding of the components.

[0005] In view of the above problems, existing patents have provided solutions, but in actual use, they cannot be used by hand, which makes it inconvenient to grind some large products. At the same time, they are not convenient to move and carry, making them inconvenient to use and of low practicality.

[0006] For this reason, a handheld electric grinder is proposed. Utility Model Content

[0007] The purpose of the utility model is to provide a handheld electric grinder, which can solve the problem that the existing handheld electric grinder cannot be used by hand during actual use, resulting in inconvenience in grinding some large products, and is also inconvenient to move and carry, making it inconvenient to use and of low practicality.

[0008] To achieve the above object, the utility model provides the following technical solution: a handheld electric grinder, comprising a housing, a grinding wheel assembly is disposed on one side of the housing, a sealing assembly is disposed on one side of the grinding wheel assembly, a handle assembly is disposed on one side of the housing, a fixing assembly is disposed on one side of the handle assembly, and a supporting assembly is disposed on one side of the housing;

[0009] The grinding wheel assembly includes a motor, a protective cover, a grinding wheel disc, a battery compartment and a storage battery. The motor is arranged on one side of the shell, the protective cover is fixedly connected to the bottom of the shell, the grinding wheel disc is fixedly connected to the output end of the motor and is used in conjunction with the protective cover, the battery compartment is arranged on one side of the shell, and the storage battery is arranged inside the battery compartment and is electrically connected to the motor.

[0010] Preferably, the sealing assembly includes a sealing cover and a sealing ring, the sealing cover is threadedly connected to one side of the battery compartment, and the sealing ring is fixedly connected to one side of the sealing cover and is used in conjunction with the battery compartment.

[0011] Preferably, the handle assembly comprises a mounting ring and a mounting handle, wherein the mounting ring is fixedly connected to the top of the shell, and the mounting handle is threadedly connected to the inside of the mounting ring.

[0012] Preferably, the fixing assembly comprises a fixing groove and a fixing rod, the fixing groove is opened on one side of the mounting ring, and the fixing rod is threadedly connected to the inside of the fixing groove and is used in conjunction with the mounting handle.

[0013] Preferably, the support assembly includes a support groove, a support rod and a reinforcing rod, the support groove is opened on one side of the shell, the support rod is inserted into the inside of the support groove, and the reinforcing rod is fixedly connected to one side of the support rod.

[0014] Preferably, a suspension ring is fixedly connected to one side of the sealing cover, and a suspension belt is arranged inside the suspension ring.

[0015] Preferably, an extension handle is provided on one side of the shell, and the extension handle is made of stainless steel.

[0016] Preferably, a non-slip soft cover is sleeved on one side of the battery compartment, a curved surface is provided on one side of the non-slip soft cover, and the material of the non-slip soft cover is rubber.

[0017] Compared with the prior art, the beneficial effects of the utility model are:

[0018] 1. The present application is provided with a grinding wheel assembly and a sealing assembly. When in use, the battery compartment is held to bring the grinding wheel close to the object to be polished, and then the motor is started to drive the grinding wheel to rotate to polish the product. The grinding position of the grinding wheel can be adjusted at any time. At the same time, the sealing cover can be rotated to separate the sealing cover from the battery compartment to replace the storage battery at any time. At the same time, the battery compartment can be sealed to prevent water from entering the battery compartment, so that the product can be conveniently held for polishing. It is easy to use.

[0019] 2. The present application is provided with a handle assembly, a fixing assembly, a supporting assembly, a hanging ring, a hanging strap, an extended handle, a non-slip soft cover and a curved surface. When in use, the mounting handle is threadedly installed inside the mounting ring, and then the fixing rod is rotated to move the fixing inside the fixing groove and support the mounting handle to fix the mounting handle, so that it is more convenient to perform grinding work at multiple angles by holding the mounting handle, the support rod can support the shell body to make the grinding more neat, the hanging ring and the hanging strap make it convenient to carry the shell body, the extended handle can increase the holding angle for grinding, and the non-slip soft cover and the curved surface can make it more convenient to hold the battery compartment. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] In order to more clearly illustrate the specific implementation methods of the utility model or the technical solutions in the prior art, the drawings required for use in the specific implementation methods or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are some implementation methods of the utility model. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative work.

[0021] Figure 1 This is the overall structural view of the utility model;

[0022] Figure 2 It is a right side view of the utility model;

[0023] Figure 3 For this utility model Figure 2 Schematic diagram of the cross-sectional three-dimensional structure at AA in the middle;

[0024] Figure 4 This is a schematic diagram of the connection of the fixed components of the utility model;

[0025] Figure 5 This is a schematic diagram of the connection of the grinding wheel assembly of the utility model.

[0026] Description of reference numerals:

[0027] 1. Shell; 2. Grinding wheel assembly; 3. Sealing assembly; 4. Handle assembly; 5. Fixing assembly; 6. Support assembly; 201. Motor; 202. Protective cover; 203. Grinding wheel; 204. Battery compartment; 205. Storage battery; 301. Sealing cover; 302. Sealing ring; 401. Mounting ring; 402. Mounting handle; 501. Fixing groove; 502. Fixing rod; 601. Support groove; 602. Support rod; 603. Reinforcement rod; 7. Suspension ring; 8. Suspension strap; 9. Extension handle; 10. Anti-slip soft cover; 11. Curved surface. DETAILED DESCRIPTION

[0028] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the 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 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.

[0029] See also Figures 1 to 5 , the utility model provides a technical solution:

[0030] A handheld electric grinder comprises a housing 1, a grinding wheel assembly 2 is arranged on one side of the housing 1, a sealing assembly 3 is arranged on one side of the grinding wheel assembly 2, a handle assembly 4 is arranged on one side of the housing 1, a fixing assembly 5 is arranged on one side of the handle assembly 4, and a supporting assembly 6 is arranged on one side of the housing 1;

[0031] The grinding wheel assembly 2 includes a motor 201, a protective cover 202, a grinding wheel disc 203, a battery compartment 204 and a storage battery 205. The motor 201 is arranged on one side of the shell 1, the protective cover 202 is fixedly connected to the bottom of the shell 1, the grinding wheel disc 203 is fixedly connected to the output end of the motor 201 and is used in conjunction with the protective cover 202, the battery compartment 204 is arranged on one side of the shell 1, and the storage battery 205 is arranged inside the battery compartment 204 and is electrically connected to the motor 201.

[0032] Specifically, Figure 1 As shown, the sealing assembly 3 includes a sealing cover 301 and a sealing ring 302 . The sealing cover 301 is threadedly connected to one side of the battery compartment 204 , and the sealing ring 302 is fixedly connected to one side of the sealing cover 301 and is used in conjunction with the battery compartment 204 .

[0033] When in use, the battery compartment 204 is held to bring the grinding wheel 203 close to the object to be polished, and then the motor 201 is started to drive the grinding wheel 203 to rotate to polish the product. The grinding position of the grinding wheel 203 can be adjusted at any time. At the same time, the sealing cover 301 is rotated to separate the sealing cover 301 from the battery compartment 204, so that the storage battery 205 can be replaced at any time. At the same time, the battery compartment 204 can be sealed to prevent water from entering the battery compartment 204, so that the product can be polished by hand, which is convenient and easy to use.

[0034] Specifically, Figure 1 As shown, the handle assembly 4 includes a mounting ring 401 and a mounting handle 402 . The mounting ring 401 is fixedly connected to the top of the housing 1 , and the mounting handle 402 is threadedly connected to the inside of the mounting ring 401 .

[0035] Specifically, Figure 1As shown, the fixing assembly 5 includes a fixing groove 501 and a fixing rod 502 . The fixing groove 501 is opened on one side of the mounting ring 401 . The fixing rod 502 is threadedly connected to the inside of the fixing groove 501 and cooperates with the mounting handle 402 for use.

[0036] Specifically, Figure 1 As shown, the support assembly 6 includes a support groove 601, a support rod 602 and a reinforcing rod 603. The support groove 601 is opened on one side of the shell 1, the support rod 602 is inserted into the inside of the support groove 601, and the reinforcing rod 603 is fixedly connected to one side of the support rod 602.

[0037] Specifically, Figure 1 As shown, a suspension ring 7 is fixedly connected to one side of the sealing cover 301 , and a suspension belt 8 is arranged inside the suspension ring 7 .

[0038] Specifically, Figure 1 As shown, an extension handle 9 is provided on one side of the housing 1 , and the extension handle 9 is made of stainless steel.

[0039] Specifically, Figure 1 As shown, a non-slip soft cover 10 is sleeved on one side of the battery compartment 204 , and a curved surface 11 is provided on one side of the non-slip soft cover 10 . The material of the non-slip soft cover 10 is rubber.

[0040] When in use, the mounting handle 402 is threadedly installed inside the mounting ring 401, and then the fixing rod 502 is rotated to move the fixing inside the fixing groove 501 and support the mounting handle 402 to fix the mounting handle 402, so that it is more convenient to perform grinding work at multiple angles by holding the mounting handle 402, the hanging ring 7 and the hanging strap 8 facilitate carrying the shell 1, the extended handle 9 can increase the holding angle for grinding, and the anti-slip soft cover 10 and the curved surface 11 can make it more convenient to hold the battery compartment 204.

[0041] By adopting the above technical solution, the problem that the existing handheld electric grinder cannot be used by hand during actual use, which makes it inconvenient to grind some large products and is inconvenient to move and carry, making it inconvenient to use and having low practicality is solved.

[0042] Working principle: When using the present application, first hold the battery compartment 204 to bring the grinding wheel 203 close to the object to be polished, then start the motor 201 to drive the grinding wheel 203 to rotate and polish the product, and the grinding position of the grinding wheel 203 can be adjusted at any time, and at the same time, the sealing cover 301 can be rotated to separate the sealing cover 301 from the battery compartment 204 to replace the storage battery 205 at any time, and the battery compartment 204 can be sealed to prevent water from entering the battery compartment 204, so that the product can be polished by hand conveniently. It is easy to use and simple to use. Thread the mounting handle 402 into the mounting ring 401, and then rotate the fixing rod 502 to move the fixing rod 502 inside the fixing groove 501 and support the mounting handle 402 to fix the mounting handle 402, so that it is more convenient to perform grinding at multiple angles by holding the mounting handle 402. The hanging ring 7 and the hanging belt 8 make it convenient to carry the shell 1, and the extended handle 9 can increase the holding angle for grinding. The non-slip soft cover 10 and the curved surface 11 can make it more convenient to hold the battery compartment 204.

[0043] Finally, it should be noted that the above embodiments are only used to illustrate the technical solution of the utility model, rather than to limit it. Although the utility model has been described in detail with reference to the aforementioned embodiments, ordinary technicians in this field should understand that they can still modify the technical solutions recorded in the aforementioned embodiments, or replace some or all of the technical features therein with equivalents. However, these modifications or replacements do not make the essence of the corresponding technical solution deviate from the scope of the technical solution of the embodiments of the utility model.

Claims

1. A handheld electric grinder, comprising a housing (1), characterized in that: A grinding wheel assembly (2) is provided on one side of the housing (1), a sealing assembly (3) is provided on one side of the grinding wheel assembly (2), a handle assembly (4) is provided on one side of the housing (1), a fixing assembly (5) is provided on one side of the handle assembly (4), and a supporting assembly (6) is provided on one side of the housing (1); The grinding wheel assembly (2) comprises a motor (201), a protective cover (202), a grinding wheel disc (203), a battery compartment (204) and a storage battery (205); the motor (201) is arranged on one side of the housing (1); the protective cover (202) is fixedly connected to the bottom of the housing (1); the grinding wheel disc (203) is fixedly connected to the output end of the motor (201) and is used in conjunction with the protective cover (202); the battery compartment (204) is arranged on one side of the housing (1); and the storage battery (205) is arranged inside the battery compartment (204) and is electrically connected to the motor (201).

2. A handheld electric grinder according to claim 1, characterized in that: The sealing assembly (3) comprises a sealing cover (301) and a sealing ring (302); the sealing cover (301) is threadedly connected to one side of the battery compartment (204); and the sealing ring (302) is fixedly connected to one side of the sealing cover (301) and is used in conjunction with the battery compartment (204).

3. A handheld electric grinder according to claim 1, characterized in that: The handle assembly (4) comprises a mounting ring (401) and a mounting handle (402), wherein the mounting ring (401) is fixedly connected to the top of the housing (1), and the mounting handle (402) is threadedly connected to the inside of the mounting ring (401).

4. A handheld electric grinder according to claim 3, characterized in that: The fixing assembly (5) comprises a fixing groove (501) and a fixing rod (502), wherein the fixing groove (501) is provided on one side of the mounting ring (401), and the fixing rod (502) is threadedly connected to the inside of the fixing groove (501) and is used in conjunction with the mounting handle (402).

5. A handheld electric grinder according to claim 1, characterized in that: The support assembly (6) comprises a support groove (601), a support rod (602) and a reinforcing rod (603); the support groove (601) is opened on one side of the shell (1); the support rod (602) is inserted into the inside of the support groove (601); and the reinforcing rod (603) is fixedly connected to one side of the support rod (602).

6. A handheld electric grinder according to claim 2, characterized in that: A suspension ring (7) is fixedly connected to one side of the sealing cover (301), and a suspension belt (8) is arranged inside the suspension ring (7).

7. A handheld electric grinder according to claim 1, characterized in that: An extension handle (9) is provided on one side of the housing (1), and the extension handle (9) is made of stainless steel.

8. A handheld electric grinder according to claim 1, characterized in that: A non-slip soft cover (10) is sleeved on one side of the battery compartment (204), a curved surface (11) is provided on one side of the non-slip soft cover (10), and the material of the non-slip soft cover (10) is rubber.