A surface polishing device for industrial design products
By designing anti-hand removal components in industrial-designed product surface grinding devices, using the combination of fixed components and power-off components, the problem of arm fatigue and hand removal risks caused by hand-held grinding devices during long-term use is solved, achieving higher operating safety and power management.
Patent Information
- Application Number
- CN202420999637.5
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-05-09
- Publication Date
- 2025-04-04
- Estimated Expiration
- 2034-05-09
AI Technical Summary
The surface grinding devices of existing industrial design products will cause arm fatigue and grip strength to decrease during long-term use, increasing the risk of hand removal, and the vibration during grinding caused harm to the human body by driving the motor.
An industrially designed product surface grinding device including a handheld grinder body and anti-hand-proof assembly is designed. The anti-hand removal assembly includes a fixing assembly and a power-off assembly. The fixing assembly clamps the fingers through a moving frame, a clamping plate and an elastic member. The power-off assembly uses a gravity-induced switch and an elastic member to cut off the power when the handle is disengaged.
It effectively prevents the hand-held grinder body from taking off during long-term use, reduces hand fatigue, ensures safe operation, and quickly cuts off the power when the handle is disengaged, preventing the dangers caused by the continuous operation of the grinding head.
Smart Images

Figure CN222711767U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of industrial equipment, in particular to a surface polishing device for industrial design products. Background Art
[0002] Industrial design is divided into four categories: product design, environmental design, communication design, and design management; it includes styling design and mechanical design, etc. Industrial design is also known as industrial product design. In the production and manufacturing process of industrial design products, polishing devices are used to polish the surface of the product.
[0003] After searching, Chinese patent announcement number CN215092760U discloses a surface polishing device for industrial design products, including a shell, a groove is provided at the bottom of the shell, a reset spring is connected to the inner wall of the groove, a top block is connected to the end of the reset spring, the lower end of the top block passes through the groove and is connected to a sanding head, a rotating structure is provided at the top of the shell, and a rotating block is connected to the end of the rotating structure. The surface polishing device for industrial design products can polish uneven industrial design products through the mutual cooperation of parts such as the shell, the groove, the reset spring and the top block, thereby avoiding the subsequent manual polishing of the concave and convex surface with sandpaper, and the device is light and easy to use, which enhances the practicality of the device. Through the mutual cooperation of parts such as the convex block, the wave groove, the slide groove, the slide rod, the ring groove, the telescopic spring and the nut, the device can switch between two modes for polishing, thereby increasing the practicality of the device.
[0004] However, in the above technical solution, the grinding is controlled only by the worker's hand grasping the handle, but the motor will generate vibration when driving the top block for grinding. Long-term vibration will accelerate arm fatigue and cause harm to the human body. Arm fatigue will cause the gripping strength to decrease, and the grinding equipment will easily slip out of the hand, posing a danger to the safety of the worker and the surrounding environment. Utility Model Content
[0005] The utility model aims to solve the problems existing in the background technology and proposes a surface polishing device for industrial design products.
[0006] The technical solution of the utility model is as follows: a surface grinding device for industrial design products, comprising a handheld grinder main body, which comprises a handle and a body, and a grinding head is connected to the body; an anti-hand-slip assembly is connected to the handle of the handheld grinder main body, the anti-hand-slip assembly comprises a fixing assembly and a power-off assembly, and the power-off assembly is connected to the handle; the power-off assembly enters an initial state to cut off the power supply of the handheld grinder main body when the hand releases the handle, and the fixing assembly is connected to the side of the handle away from the power-off assembly; the fixing assembly increases the contact between the handle and the hand to prevent both from falling off.
[0007] Preferably, the fixing component includes two moving frames, which are symmetrically arranged and arranged on the outside of the handle; a clamping plate, which is slidably connected in the moving frame; a first elastic member, which is evenly distributed and arranged in plurality and whose two ends are respectively connected to the moving frame and the clamping plate; a buffer layer, which is connected to the clamping plate; and an adjusting component, which is connected to the moving frame, and the moving frame can rotate along the central axis of the handle when the adjusting component is in use.
[0008] Preferably, the adjustment assembly includes a guide rod connected to a sliding groove provided on the handle, and both the guide rod and the sliding groove are arc-shaped; a sliding block connected to the moving frame, and the sliding block is slidably connected to the guide rod.
[0009] Preferably, the power-off component includes a gravity sensing switch, which is connected to a groove opened on the handle, and the trigger end of the gravity sensing switch is away from the handle; a pressing plate, whose shape fits the shape of the groove, and the mounting plate is slidably connected to the groove; a second elastic member, which is evenly distributed in plurality, and the two ends of the second elastic member are respectively connected to the pressing plate and the handle.
[0010] Preferably, a protective cover is connected to the handheld grinder body, and the protective cover is connected to the grinding head.
[0011] Preferably, the protective cover comprises a circular plate connected to the machine body, the diameter of the circular plate being larger than the grinding head on the machine body; and an arc-shaped plate connected to the side wall of the circular plate.
[0012] Preferably, a buffer pad is connected to the arc-shaped plate.
[0013] Preferably, a plurality of evenly distributed baffles are connected to the inner wall of the arc-shaped plate.
[0014] Compared with the prior art, the above technical solution of the utility model has the following beneficial technical effects:
[0015] In the utility model, the parts in the fixing assembly can be separated into two during use, and the separated fixing assembly can restrict the thumb and other fingers, thereby preventing the handle from accidentally falling out of the hand and preventing the handheld grinder body from falling out of the hand and causing an accident. When the handle accidentally falls out of the hand, the power-off assembly quickly returns to the initial state to cut off the power supply of the handheld grinder body, thereby preventing the grinding head from continuing to run and causing danger. BRIEF DESCRIPTION OF THE DRAWINGS
[0016] Figure 1 It is a three-dimensional diagram of the utility model;
[0017] Figure 2 for Figure 1 A cross-sectional schematic diagram of
[0018] Figure 3 It is a schematic diagram of the mobile frame structure;
[0019] Figure 4 A schematic cross-sectional view of the protective cover.
[0020] Figure numerals: 1. hand-held grinder body; 2. handle; 3. body; 4. grinding head; 5. moving frame; 6. clamping plate; 7. first elastic member; 8. buffer layer; 9. guide rod; 10. sliding groove; 11. sliding block; 12. gravity sensing switch; 13. groove; 14. pressing plate; 15. second elastic member; 16. protective cover; 17. circular plate; 18. arc plate; 19. buffer pad; 20. baffle. DETAILED DESCRIPTION
[0021] Embodiment 1
[0022] like Figure 1-Figure 4 As shown, the utility model proposes an industrial design product surface grinding device, including a hand-held grinder body 1 and an anti-hand-slip assembly, the hand-held grinder body 1 includes a handle 2 and a body 3, the lower end surface of the body 3 is used to connect the grinding head 4, one end of the handle 2 is connected to a cable, the end of the handle 2 away from the cable is used to connect to the body 3, the anti-hand-slip assembly is connected to the handle 2, the anti-hand-slip assembly includes a fixing assembly and a power-off assembly, the fixing assembly and the power-off assembly are respectively connected to the outer wall of the handle 2 and the two are arranged opposite to each other, the fixing assembly is connected to the side of the handle 2 close to the grinding head 4, the fixing assembly can be separated into two during use, the fixed assembly after separation can restrict the thumb and other fingers, and restrict the fingers from being out of contact with the handle 2; the power-off assembly is connected to the top of the handle 2; the power-off assembly quickly returns to the initial state when the finger is out of contact with the handle 2 to cut off the power supply of the body 3, to prevent the grinding head 4 from continuing to run and causing danger.
[0023] Embodiment 2
[0024] like Figure 2-Figure 3 As shown, the utility model proposes a surface polishing device for an industrial design product. Compared with the first embodiment, the detailed structure of the fixing component is recorded in this embodiment. The fixing component includes a moving frame 5, a clamping plate 6, a first elastic member 7, a buffer layer 8 and an adjusting component. The two moving frames 5 are symmetrically arranged. The side of the moving frame 5 close to the handle 2 is used to connect with the adjusting component, and the adjusting component is connected to the handle 2; when the adjusting component is in use, the moving frame 5 can rotate along the central axis of the handle 2 to move the two moving frames 5 to different positions to better contact with the fingers to prevent the fingers from falling off the handle 2; the first elastic member 7 is equidistantly distributed in the length direction of the moving frame 5; the first elastic member 7 is a spring; the two ends of the first elastic member 7 are connected to the moving frame 5 and the clamping plate 6, and the clamping plate 6 is used to connect the buffer layer 8; the buffer layer 8 is a rubber or silicone layer to reduce the discomfort caused by the clamping plate 6 clamping the fingers.
[0025] The adjustment assembly includes a guide rod 9 and a sliding block 11. Two arc-shaped sliding grooves 10 are provided on the handle 2. The arc-shaped guide rod 9 is connected in the sliding groove 10. The symmetrically arranged sliding block 11 is slidably connected to the guide rod 9. One end of the sliding block 11 is connected to the moving frame 5.
[0026] Embodiment 3
[0027] like Figure 2-Figure 4 As shown, the surface polishing device of an industrial design product proposed by the utility model, compared with the second embodiment, the detailed structure of the power-off component and the protective cover 16 is recorded in this embodiment, the power-off component includes a gravity sensing switch 12, a pressing plate 14 and a second elastic member 15, the gravity sensing switch 12 and a plurality of uniformly distributed second elastic members 15 are connected to the groove 13 provided on the handle 2; the inner wall of the groove 13 is provided with a step for limiting the position of the pressing plate 14; the pressing plate 14 is slidably connected to the groove 13, and the other end of the second elastic member 15 is connected to the pressing plate 14; the second elastic member 15 is a spring;
[0028] In an optional embodiment, a protective cover 16 is connected to the handheld grinder body 1, and the protective cover 16 is connected to the grinding head 4; the protective cover 16 blocks the debris and dust generated by the grinding head 4 when grinding the product surface to prevent harm to the surrounding environment and workers.
[0029] In an optional embodiment, the protective cover 16 includes a circular plate 17 and an arc plate 18. The circular plate 17 is connected to the body 3. The lower end surface of the circular plate 17 is used to connect the semicircular arc plate 18. The diameter of the arc plate 18 is larger than the diameter of the grinding head 4. A plurality of evenly distributed baffles 20 are connected to the inner wall of the arc plate 18. The baffles 20 are distributed circumferentially around the central axis of the circular plate 17. The baffles 20 are all inclined. Sparks generated by grinding with the grinding head 4 can be blocked by the baffles 20 to prevent the sparks from causing harm to surrounding objects.
[0030] In an optional embodiment, a buffer pad 19 is connected to the arc plate 18; the side of the arc plate 18 away from the circular plate 17 is used to connect the buffer pad 19, and the buffer pad 19 is selected from but not limited to a rubber layer to prevent the grinding device from scratching the surface of the metal product during the grinding process and affecting the appearance.
[0031] In summary, when the utility model is used, the two moving frames 5 are pulled to make the sliding block 11 slide along the sliding groove 10 and the guide rod 9, and then the staff inserts the thumb and the other fingers into the two moving frames 5 respectively, and the first elastic member 7 pushes the clamping plate 6 close to the fingers to limit and clamp the fingers. At this time, the palm is above the pressing plate 14, and the hand force grasping will drive the pressing plate 14 to move. The pressing plate 14 squeezes the second elastic member 15 and the gravity sensing switch 12 to start the body 3 to drive the grinding head 4 to rotate for grinding operations, and the clamping of the clamping plate 6 and the moving frame 5 to limit the movement of the fingers can prevent unstable grip caused by hand fatigue during long-term grinding. When the staff releases the handle 2, the second elastic member 15 automatically rebounds to make the pressing plate 14 away from the gravity sensing switch 12, and the body 3 is powered off to prevent the continuous operation of the grinding head 4 from causing danger to the surrounding environment and staff.
[0032] The implementation modes of the present invention are described in detail above in conjunction with the accompanying drawings, but the present invention is not limited thereto, and various changes can be made within the knowledge scope of technicians in the relevant technical field without departing from the purpose of the present invention.
Claims
1. A surface polishing device for industrial design products, characterized in that: include A handheld sander main body (1) comprises a handle (2) and a body (3), wherein a sanding head (4) is connected to the body (3); The hand-slip prevention component is connected to a handle (2) of a hand-held grinder body (1). The hand-slip prevention component comprises a fixing component and a power-off component. The power-off component is connected to the handle (2). When the hand releases the handle (2), the power-off component enters an initial state to cut off the power supply of the hand-held grinder body (1). The fixing component is connected to a side of the handle (2) away from the power-off component. The fixing component increases the contact between the handle (2) and the hand to prevent the two from falling off.
2. The surface polishing device for industrial design products according to claim 1, characterized in that: The fixing components include Two movable frames (5) are symmetrically arranged, and the movable frames (5) are arranged outside the handle (2); A clamping plate (6) slidably connected in the moving frame (5); A plurality of first elastic members (7) are evenly spaced and arranged, and two ends of the first elastic members (7) are respectively connected to the moving frame (5) and the clamping plate (6); A buffer layer (8) connected to the clamping plate (6); The adjusting component is connected to the moving frame (5); when the adjusting component is in use, the moving frame (5) can rotate along the central axis of the handle (2).
3. The surface polishing device for industrial design products according to claim 2, characterized in that: Adjustment components include A guide rod (9) connected to a sliding groove (10) provided on the handle (2), wherein the guide rod (9) and the sliding groove (10) are both arc-shaped; The sliding block (11) is connected to the moving frame (5), and the sliding block (11) is slidably connected to the guide rod (9).
4. The surface polishing device for industrial design products according to claim 1, characterized in that: Power-off components include A gravity sensing switch (12) is connected to a groove (13) provided on the handle (2), and a trigger end of the gravity sensing switch (12) is away from the handle (2); A pressing plate (14) whose shape matches the shape of the groove (13), and a mounting plate is slidably connected to the groove (13); A plurality of second elastic members (15) are evenly distributed at equal intervals, and two ends of the second elastic members (15) are respectively connected to the pressing plate (14) and the handle (2).
5. The surface polishing device for industrial design products according to claim 1, characterized in that: A protective cover (16) is connected to the handheld sander body (1), and the protective cover (16) is connected to the sanding head (4).
6. The surface polishing device for industrial design products according to claim 5, characterized in that: The protective cover (16) includes A circular plate (17) connected to the machine body (3), wherein the diameter of the circular plate (17) is larger than the grinding head (4) on the machine body (3); The arc-shaped plate (18) is connected to the side wall of the circular plate (17).
7. The surface polishing device for industrial design products according to claim 6, characterized in that: A buffer pad (19) is connected to the arc-shaped plate (18).
8. The surface polishing device for industrial design products according to claim 6, characterized in that: A plurality of evenly distributed baffles (20) are connected to the inner wall of the arc-shaped plate (18).