Cooling type tool bit

Abstract

The utility model discloses a cooling type cutter head which comprises an installation plate and a fixed cutter part, a movable cutter part is arranged on the top face of the fixed cutter part in a sliding mode, the fixed cutter part comprises a fixed cutter plate, a plurality of fixed cutter teeth are evenly and fixedly connected to one end of the fixed cutter plate, a special-shaped notch is formed in the top face of the fixed cutter plate, and a heat conduction assembly is arranged in the special-shaped notch. The heat conduction assembly comprises a heat conduction plate which is fixedly connected to the side, away from the fixed cutter teeth, of the special-shaped notch, and a heat conduction strip is horizontally and fixedly connected to the center of the side, close to the fixed cutter teeth, of the heat conduction plate. The plastic guide wheel and the fixed cutter plate are utilized to generate rolling friction to replace sliding friction between a movable cutter and a fixed cutter at present, so that friction force is small, friction heat of a fixed cutter component is reduced, the heat conduction assembly is arranged on the fixed cutter plate making contact with scalp, the heat conductivity of the heat conduction assembly is high, and friction heat generated by fixed cutter teeth can be effectively reduced. And the temperature of the fixed cutter teeth and the fixed cutter plate is rapidly reduced, and the head skin feeling is good after the fixed cutter is used for a long time.

Description

Technical Field

[0001] The utility model relates to the technical field of hair clippers, in particular to a cooling type cutter head. Background Art

[0002] A hair clipper is a tool for trimming and modifying hair. The hair clipper head is composed of a fixed blade and a movable blade. The movable blade slides on the top surface of the fixed blade, and the fixed blade contacts the skin of the head. The sliding of the movable blade can generate shear force at the blade teeth. For example, the Chinese utility model patent with the authorization announcement number CN218462251U discloses a hair clipper head structure. The hair clipper includes a hair clipper body and a hair clipper head. The hair clipper head includes a bottom blade frame, a fixed blade is provided at the front end of the bottom blade frame, and a connecting member is provided at the rear end of the bottom blade frame. The connecting member has a rotating shaft, and the hair clipper body is provided with a slot matching the end of the rotating shaft. The hair clipper head is rotatably connected to the hair clipper body through the rotating shaft. However, the current hair clipper head has the following defects:

[0003] Currently, the movable blade and fixed blade of a hair clipper are subjected to sliding friction, which generates a large amount of heat. The heat is conducted in the blade head. Due to the low thermal conductivity, it is difficult for the heat to diffuse between the blade teeth. During long-term use, the heating of the blade teeth will cause discomfort to the skin during use.

[0004] For this reason, we propose a cooling type cutter head to solve the above problems. Utility Model Content

[0005] The purpose of the utility model is to provide a cooling type cutter head to solve the problems raised in the above background technology.

[0006] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a cooling type cutter head, comprising a mounting plate and a fixed cutter component, a movable cutter component is slidably arranged on the top surface of the fixed cutter component, the fixed cutter component comprises a fixed cutter plate, a plurality of fixed cutter teeth are evenly fixedly connected to one end of the fixed cutter plate, a special-shaped notch is provided on the top surface of the fixed cutter plate, and a heat-conducting component is arranged in the special-shaped notch;

[0007] The heat conduction assembly comprises a heat conduction plate, which is fixed to a side of the special-shaped slot away from the fixed blade teeth, a heat conduction bar is fixed to the center of the side of the heat conduction plate close to the fixed blade teeth, two bent heat conduction blocks are fixed to both sides of one end of the heat conduction plate close to the fixed blade teeth, and the heat conduction bar and the bent heat conduction block are fixed in the special-shaped slot;

[0008] The movable knife component comprises a movable knife plate, two inlays are arranged on the bottom surfaces of both sides of the movable knife plate, two inlay plates are fixed in the two inlays, the bottom surfaces of the inlay plates are rotatably connected to a plurality of plastic guide wheels, and the plurality of plastic guide wheels roll and contact the top surface of the fixed knife plate.

[0009] Preferably, a mounting opening is provided on the top surface of one end of the mounting plate, a mounting notch is provided on the bottom surface of the fixed knife plate away from the fixed knife teeth, the mounting notch is plugged into the bottom of the mounting opening, the top surface of the mounting plate away from the side of the mounting opening is fixedly connected to the vertical block and the top block, and the top surfaces of the vertical block and the top block are provided with special-shaped elastic components.

[0010] Preferably, the special-shaped elastic component includes two springs, a U-shaped rod is fixed between the ends of the two springs close to each other, two elastic strips are fixed at the ends of the two springs away from each other, and two plugs are fixed at the ends of the two elastic strips.

[0011] Preferably, the two springs, the two elastic strips, the two plugs and the U-shaped rod are an integrated structure, a bayonet is provided on the top surface of the vertical block, two openings are provided on the top surface of the top block, the middle part of the U-shaped rod is engaged with the bayonet, and the two springs are sleeved in the two openings.

[0012] Preferably, the movable blade plate is fixedly connected to a plurality of movable blade teeth on the side close to the fixed blade teeth, the top surface of the movable blade plate is fixedly connected to a plastic plate away from the movable blade teeth, two sockets are provided on the top surface of the plastic plate, the two plugs are plugged into the two sockets, and the top surface of the plastic plate is fixedly connected to a power block on the side away from the movable blade teeth.

[0013] Preferably, the bottom surface of the mounting opening is vertically fixed to two columns, the fixed knife plate has two mounting holes vertically formed at the positions corresponding to the two columns, the columns are inserted into the mounting holes, threaded holes are formed at the tops of the columns, the threaded holes are threaded with bolts, and two blocks are vertically fixed to both sides of the top surface of the mounting plate.

[0014] Compared with the prior art, the beneficial effects of the utility model are:

[0015] The utility model utilizes the rolling friction between the plastic guide wheel and the fixed blade plate to replace the sliding friction between the existing movable and fixed blades, so that the friction force is small, the friction heat of the fixed blade component is reduced, and a heat conduction component is arranged on the fixed blade plate in contact with the scalp. The heat conduction component has a high thermal conductivity, so the friction heat generated by the fixed blade teeth will be dissipated toward the heat conduction component, the temperature of the fixed blade teeth and the fixed blade plate is quickly reduced, and the skin feel is also better when used for a long time. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 It is a schematic diagram of the main structure in the first and second embodiments of the utility model;

[0017] Figure 2 This is a schematic diagram of the main explosion structure in the first and second embodiments of the utility model;

[0018] Figure 3 It is a schematic diagram of the explosion structure of the fixed blade component in the first and second embodiments of the utility model;

[0019] Figure 4 It is a structural schematic diagram of the moving knife component in the first and second embodiments of the utility model;

[0020] Figure 5 It is a structural schematic diagram of the special-shaped elastic component in the second embodiment of the utility model.

[0021] In the figure: 1. mounting plate; 2. fixed knife component; 3. moving knife component; 4. special-shaped elastic component; 11. mounting opening; 12. column; 13. upright block; 14. bayonet; 15. top block; 16. opening; 17. bolt; 18. threaded hole; 19. block; 21. fixed knife plate; 22. fixed knife teeth; 23. special-shaped notch; 24. heat-conducting component; 25. mounting notch; 26. mounting hole; 241. heat-conducting plate; 242. heat-conducting strip; 243. bent heat-conducting block; 31. moving knife plate; 32. moving knife teeth; 33. inlay; 34. inlay; 35. plastic guide wheel; 36. plastic plate; 37. socket; 38. power block; 41. spring; 42. U-shaped rod; 43. elastic strip; 44. plug. DETAILED DESCRIPTION

[0022] 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. Example

[0023] See also Figure 1-4 The utility model provides a technical solution: a cooling type cutter head, comprising a mounting plate 1 and a fixed knife component 2, a movable knife component 3 is slidably arranged on the top surface of the fixed knife component 2, the fixed knife component 2 comprises a fixed knife plate 21, a plurality of fixed knife teeth 22 are evenly fixedly connected to one end of the fixed knife plate 21, a special-shaped notch 23 is provided on the top surface of the fixed knife plate 21, and a heat conducting component 24 is arranged in the special-shaped notch 23;

[0024] The heat conducting assembly 24 includes a heat conducting plate 241, which is fixed to a side of the special-shaped notch 23 away from the fixed blade teeth 22. A heat conducting strip 242 is fixed to the center of the heat conducting plate 241 close to the fixed blade teeth 22. Two bent heat conducting blocks 243 are fixed to both sides of one end of the heat conducting plate 241 close to the fixed blade teeth 22. The heat conducting strip 242 and the bent heat conducting block 243 are fixed in the special-shaped notch 23. The heat conducting assembly 24 has a high thermal conductivity, so that the friction heat generated by the fixed blade teeth 22 will be dissipated toward the heat conducting assembly 24, quickly reducing the temperature of the fixed blade teeth 22 and the fixed blade plate 21. The head skin feeling is also better when used for a long time. The extended shape of the bent heat conducting block 243 and the heat conducting strip 242 is adopted to increase the contact area between them and the fixed blade plate 21.

[0025] The movable knife component 3 includes a movable knife plate 31, and two recesses 33 are provided on the bottom surfaces on both sides of the movable knife plate 31. Two panels 34 are fixedly connected in the two recesses 33. The bottom surfaces of the panels 34 are rotatably connected to a plurality of plastic guide wheels 35. The plurality of plastic guide wheels 35 roll in contact with the top surface of the fixed knife plate 21. The rolling friction generated by the plastic guide wheels 35 and the fixed knife plate 21 replaces the sliding friction between the current movable and fixed knives. In this way, the friction force is small, thereby reducing the friction heat of the fixed knife component 2. Example

[0026] See also Figure 1-5 , which is the second embodiment of the utility model. This embodiment is based on the previous embodiment. A mounting opening 11 is provided on the top surface of one end of the mounting plate 1, and a mounting notch 25 is provided on the bottom surface of the fixed knife plate 21 away from the fixed knife teeth 22. The mounting notch 25 is plugged into the bottom of the mounting opening 11. The top surface of the mounting plate 1 away from the mounting opening 11 is fixedly connected to the vertical block 13 and the top block 15, and the top surfaces of the vertical block 13 and the top block 15 are provided with special-shaped elastic components 4.

[0027] The special-shaped elastic component 4 includes two springs 41 , wherein a U-shaped rod 42 is fixed between the ends of the two springs 41 close to each other, and two elastic strips 43 are fixed to the ends of the two springs 41 away from each other, and two plugs 44 are fixed to the ends of the two elastic strips 43 .

[0028] The two springs 41, the two elastic strips 43, the two plugs 44 and the U-shaped rod 42 are an integrated structure. The top surface of the vertical block 13 is provided with a bayonet 14, and the top surface of the top block 15 is provided with two openings 16. The middle part of the U-shaped rod 42 is engaged with the bayonet 14, and the two springs 41 are sleeved in the two openings 16 to fix the special-shaped elastic component 4.

[0029] A plurality of movable blade teeth 32 are fixedly connected to the movable blade plate 31 on one side close to the fixed blade teeth 22, a plastic plate 36 is fixedly connected to the top surface of the movable blade plate 31 away from the movable blade teeth 32, two sockets 37 are provided on the top surface of the plastic plate 36, two plugs 44 are plugged into the two sockets 37, a power block 38 is fixedly connected to the top surface of the plastic plate 36 away from the movable blade teeth 32, and the power block 38 is used to connect to the motor in the hair clipper to drive the movable blade component 3 to slide.

[0030] The bottom surface of the mounting opening 11 is vertically fixed to two columns 12, and two mounting holes 26 are vertically provided on the fixed blade plate 21 corresponding to the positions of the two columns 12. The columns 12 are inserted into the mounting holes 26, and threaded holes 18 are provided on the tops of the columns 12. The threaded holes 18 are threadedly connected to bolts 17, and two clamping blocks 19 are vertically fixed to both sides of the top surface of the mounting plate 1. The two clamping blocks 19 are used to install the blade head on the body of the hair clipper. Example

[0031] See also Figure 1-5, which is the third embodiment of the utility model. This embodiment is based on the above two embodiments. The utility model utilizes the plastic guide wheel 35 and the fixed blade plate 21 to generate rolling friction, replacing the sliding friction between the current movable and fixed blades. In this way, the friction force is small, and the friction heat of the fixed blade component 2 is reduced. In addition, a heat conduction component 24 is provided on the fixed blade plate 21 in contact with the scalp. The heat conduction component 24 has a high thermal conductivity. In this way, the friction heat generated by the fixed blade teeth 22 will be dissipated toward the heat conduction component 24, quickly reducing the temperature of the fixed blade teeth 22 and the fixed blade plate 21, and the scalp feel is also better when used for a long time.

[0032] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A cooling type cutter head, comprising a mounting plate (1) and a fixed cutter component (2), characterized in that: A movable knife component (3) is slidably disposed on the top surface of the fixed knife component (2), the fixed knife component (2) comprising a fixed knife plate (21), one end of the fixed knife plate (21) being evenly fixedly connected to a plurality of fixed knife teeth (22), a special-shaped notch (23) being provided on the top surface of the fixed knife plate (21), and a heat-conducting component (24) being disposed in the special-shaped notch (23); The heat conduction component (24) comprises a heat conduction plate (241), the heat conduction plate (241) being fixedly connected to a side of the special-shaped slot (23) away from the fixed blade teeth (22), a heat conduction strip (242) being fixedly connected horizontally at the center of a side of the heat conduction plate (241) close to the fixed blade teeth (22), two bent heat conduction blocks (243) being fixedly connected to both sides of one end of the heat conduction plate (241) close to the fixed blade teeth (22), and the heat conduction strip (242) and the bent heat conduction block (243) being fixedly connected in the special-shaped slot (23); The movable knife component (3) comprises a movable knife plate (31), two inlays (33) are provided on the bottom surfaces of both sides of the movable knife plate (31), two inlay plates (34) are fixedly connected in the two inlays (33), the bottom surfaces of the inlay plates (34) are rotatably connected to a plurality of plastic guide wheels (35), and the plurality of plastic guide wheels (35) are in rolling contact with the top surface of the fixed knife plate (21).

2. The cooling cutter head according to claim 1, characterized in that: A mounting opening (11) is formed on the top surface of one end of the mounting plate (1); a mounting notch (25) is formed on the bottom surface of the fixed blade plate (21) on a side away from the fixed blade teeth (22); the mounting notch (25) is plugged into the bottom of the mounting opening (11); a vertical block (13) and a top block (15) are fixedly connected to the top surface of the mounting plate (1) on a side away from the mounting opening (11); and a special-shaped elastic component (4) is provided on the top surfaces of the vertical block (13) and the top block (15).

3. The cooling cutter head according to claim 2, characterized in that: The special-shaped elastic component (4) comprises two springs (41), wherein a U-shaped rod (42) is fixedly connected between the ends of the two springs (41) that are close to each other, and two elastic strips (43) are fixedly connected to the ends of the two springs (41) that are far away from each other, and two plugs (44) are fixedly connected to the ends of the two elastic strips (43).

4. The cooling cutter head according to claim 3, characterized in that: The two springs (41), the two elastic strips (43), the two plugs (44) and the U-shaped rod (42) are an integrated structure; a bayonet (14) is provided on the top surface of the vertical block (13); two openings (16) are provided on the top surface of the top block (15); the middle portion of the U-shaped rod (42) is engaged with the bayonet (14); and the two springs (41) are sleeved in the two openings (16).

5. The cooling cutter head according to claim 3, characterized in that: A plurality of movable blade teeth (32) are fixedly connected to a side of the movable blade plate (31) close to the fixed blade teeth (22), a plastic plate (36) is fixedly connected to a top surface of the movable blade plate (31) away from the movable blade teeth (32), two plug holes (37) are provided on the top surface of the plastic plate (36), two plugs (44) are plugged into the two plug holes (37), and a power block (38) is fixedly connected to a top surface of the plastic plate (36) away from the movable blade teeth (32).

6. The cooling cutter head according to claim 2, characterized in that: The bottom surface of the mounting opening (11) is vertically fixed to two upright posts (12); the fixed blade plate (21) is vertically provided with two mounting holes (26) at positions corresponding to the two upright posts (12); the upright posts (12) are plugged into the mounting holes (26); the top of the upright posts (12) is provided with threaded holes (18); the threaded holes (18) are threadedly connected to bolts (17); and two clamping blocks (19) are vertically fixed to both sides of the top surface of the mounting plate (1).

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