Shaver head seat and shaver

Abstract

The utility model discloses a shaver head seat and a shaver, and the shaver head seat comprises a lower shell, an upper shell and a lower shell, the fixing plate is detachably connected into the lower shell; the positioning plate is installed in the lower shell and detachably connected to the fixing plate, an installation space is formed between the positioning plate and the fixing plate, and a through opening is formed in the middle of the positioning plate to form a center hole; the driving gear is rotationally connected to the center hole; and the number of the driven gears is three, all the driven gears are evenly distributed on the driving gear in the circumferential direction, all the driven gears are meshed with the driving gear, and all the driven gears are rotationally connected to the positioning plate. According to the shaver head seat and the shaver, installation of a plurality of driving gears and driven gears can be achieved at the same time through the positioning plate.

Description

A razor head holder and a razor Technical Field

[0001] This utility model relates to the field of personal care products technology, specifically to a razor head holder and a razor. Background Technology

[0002] An electric shaver is a device that uses a motor to drive a blade head to cut hair on the skin. Typically, it has three blade heads, each of which can float and rotate relative to the shaver's grip to conform to the user's skin. The rotation of each blade head is driven by gears installed within the blade head holder. However, the independent installation of each gear results in a complex structure, hindering disassembly and miniaturization of the shaver and negatively impacting the user experience. Summary of the Invention

[0003] The purpose of this utility model is to provide a razor head holder and a razor to solve the above-mentioned technical problems.

[0004] This utility model discloses a razor head holder, comprising:

[0005] Lower housing;

[0006] A fixing plate, which is detachably connected to the lower housing;

[0007] The positioning plate is installed inside the lower housing and is detachably connected to the fixing plate. An installation space is formed between the positioning plate and the fixing plate, and a through opening in the middle of the positioning plate forms a central hole.

[0008] The driving gear is rotatably connected to the central hole;

[0009] There are three driven gears, each circumferentially distributed around the driving gear and meshing with the driving gear. Each driven gear is rotatably connected to the positioning plate.

[0010] According to one embodiment of the present invention, a plurality of fastening cylinders are vertically fixedly connected to the lower side of the fixing plate, and each fastening cylinder is threaded with a fastening screw at its lower end. The positioning plate is provided with a plurality of fastening holes, and each fastening hole is for each fastening screw to be inserted.

[0011] According to one embodiment of the present invention, at least one limiting post is vertically fixedly connected to the lower side of the fixing plate, and the positioning plate is provided with at least one limiting hole for the lower end of the limiting post to be inserted.

[0012] According to one embodiment of the present invention, each driven gear is coaxially fixedly connected to a rotating sleeve, each rotating sleeve has a vertical opening, and three rotating shafts are vertically fixedly connected to the upper side of the positioning plate. Each rotating shaft corresponds to each rotating sleeve, and its upper end is inserted into and rotatably connected to the corresponding rotating sleeve.

[0013] According to one embodiment of the present invention, the inner wall of the lower housing is provided with a plurality of engaging holes, which are circumferentially spaced and located on the same horizontal plane. A plurality of engaging blocks are fixedly connected to the edge end of the fixing plate, and each engaging block is adapted to and engaged in each engaging hole.

[0014] According to one embodiment of the present invention, the inner wall of the lower shell is fixedly connected to a plurality of support plates that are circumferentially spaced apart. Each support plate is located on the same horizontal plane and is simultaneously supported on the lower side of the fixed plate.

[0015] According to one embodiment of the present invention, a plurality of reinforcing plates are fixedly connected to the lower side of the positioning plate.

[0016] This utility model also discloses a shaver, including a shaver head holder, an upper housing that is fastened to the upper end of the lower housing, three shaver heads that are rotatably installed in the upper housing, a handle that is detachably connected to the lower end of the lower housing, and a motor installed in the handle. The three shaver heads are respectively driven by each driven gear, and the output end of the motor is driven by the driving gear.

[0017] According to one embodiment of the present invention, it further includes an intermediate housing with a through-opening structure. The intermediate housing is detachably connected to the upper end of the handle by a plurality of connecting screws, and the lower end of the lower housing extends into the intermediate housing and is engaged with the inner side of the intermediate housing.

[0018] According to one embodiment of the present invention, a lower overlapping ring is fixedly connected to the lower end of the middle shell, and an upper overlapping ring is fixedly connected to the upper end. The lower overlapping ring overlaps the upper end of the handle, and the upper overlapping ring overlaps the lower end of the lower shell.

[0019] Compared with the prior art, the razor head holder and razor of this utility model have the following advantages:

[0020] The shaver head holder and shaver of this utility model improve upon the problem of complex structure caused by the independent installation of each gear in the prior art by setting a positioning plate to simultaneously install the driving gear and three driven gears on the positioning plate. The positioning plate can be detachably installed on the fixed plate, and an installation space is formed between the positioning plate and the fixed plate. The driving gear and the three driven gears are all installed in this installation space, which can improve the structural compactness, facilitate the miniaturization of the shaver, and improve the user experience. Attached Figure Description

[0021] Figure 1 is a schematic diagram of the structure of the razor head holder of this utility model;

[0022] Figure 2 is a first cross-sectional view of the razor head holder of this utility model;

[0023] Figure 3 is a second sectional view of the razor head holder of this utility model;

[0024] Figure 4 is an enlarged view of part A in Figure 3 of this utility model;

[0025] Figure 5 is an enlarged view of part B in Figure 3 of this utility model;

[0026] Figure 6 is a first-view exploded view of the razor head holder of this utility model;

[0027] Figure 7 is a second-view exploded view of the razor head holder of this utility model;

[0028] Figure 8 is a partial exploded view of the razor head holder of this utility model;

[0029] Figure 9 is a schematic diagram of the structure of the razor of this utility model;

[0030] Figure 10 is a first cross-sectional view of the razor of this utility model;

[0031] Figure 11 is a partial enlarged view of Figure 10 of this utility model;

[0032] Figure 12 is a second cross-sectional view of the razor of this utility model;

[0033] Figure 13 is a structural diagram of the middle shell of the razor of this utility model.

[0034] In the diagram: 1. Lower housing; 11. Engaging hole; 12. Support plate; 13. Slot; 2. Fixing plate; 21. Fastening cylinder; 22. Fastening screw; 23. Limiting post; 24. Engaging block; 25. Through hole; 26. Ring sleeve; 3. Positioning plate; 31. Center hole; 32. Fastening hole; 321. Guide cylinder; 33. Limiting hole; 34. Rotating shaft; 35. Reinforcing plate; 4. Driving gear; 5. Driven gear; 51. Rotating sleeve; 52. Arc plate; 6. Upper housing; 7. Cutting head; 8. Handle; 81. Intermediate housing; 811. Lower overlapping ring; 812. Upper overlapping ring; 813. Engaging block; 82. Connecting screw; 9. Motor.

[0035] The implementation and advantages of this utility model will be further explained in conjunction with the embodiments and with reference to the accompanying drawings. Detailed Implementation

[0036] The following drawings will disclose several embodiments of this utility model. For clarity, many practical details will be described in the following description. However, it should be understood that these practical details should not be used to limit this utility model. That is, in some embodiments of this utility model, these practical details are not essential. In addition, for the sake of simplicity, some conventional structures and components will be shown in the drawings in a simple schematic manner.

[0037] It should be noted that all directional indicators (such as up, down, left, right, front, back, etc.) in this utility model embodiment are only used to explain the relative positional relationship and movement of each component in a certain specific posture (as shown in the figure). If the specific posture changes, the directional indicator will also change accordingly.

[0038] Furthermore, in this utility model, the use of terms such as "first" and "second" is for descriptive purposes only and does not specifically refer to any order or sequence, nor is it intended to limit the utility model. They are merely used to distinguish components or operations described with the same technical terms and should not be construed as indicating or implying their relative importance or implicitly specifying the number of indicated technical features. Therefore, a feature defined with "first" or "second" may explicitly or implicitly include at least one of those features. Additionally, the technical solutions of various embodiments can be combined with each other, but only if they are feasible for those skilled in the art. If a combination of technical solutions is contradictory or impossible to implement, it should be considered that such a combination of technical solutions does not exist and is not within the scope of protection claimed by this utility model.

[0039] To further understand the content, features, and effects of this utility model, the following embodiments are provided, and detailed descriptions are given below in conjunction with the accompanying drawings:

[0040] This utility model discloses a razor head holder, as shown in Figures 1 to 8, including:

[0041] Lower housing 1;

[0042] Fixed plate 2, which is detachably connected to the lower housing 1;

[0043] The positioning plate 3 is installed inside the lower housing 1 and is detachably connected to the fixing plate 2. An installation space is formed between the positioning plate 3 and the fixing plate 2. The positioning plate 3 has a through opening in the middle to form a central hole 31.

[0044] The drive gear 4 is rotatably connected to the central hole 31;

[0045] There are three driven gears 5, each driven gear 5 is evenly distributed around the driving gear 4 and meshes with the driving gear 4. Each driven gear 5 is rotatably connected to the positioning plate 3.

[0046] In this invention, the lower housing 1 has an open structure with a through opening at both the top and bottom, and its lower opening is coaxial with the central hole 31. During installation, the driving gear 4 and the three driven gears 5 are first rotatably mounted on the positioning plate 3. Then, the positioning plate 3 is connected to the lower side of the fixing plate 2. Finally, the fixing plate 2 is inserted into the lower housing 1 through the upper opening and installed inside the lower housing 1, thus completing the installation quickly. With this installation method, the driving gear 4 and the three driven gears 5 are all mounted on the same positioning plate 3, resulting in a simple and compact structure that is easy to assemble and disassemble, and is also more conducive to the miniaturization of the shaver.

[0047] The fixed plate 2 has three through holes 25, which correspond to three driven gears 5 respectively, so as to form an installation space for the driven gears 5 to drive and connect the cutter head 7.

[0048] When in use, the drive gear 4 is driven to rotate, which in turn drives the three drive gears 4 meshing with it to rotate simultaneously. The transmission of the three drive gears 4 drives the three corresponding blade heads 7 to rotate, thus completing the shaving process.

[0049] Please refer to Figures 3 to 8. In the shaver head holder of this utility model, multiple fastening cylinders 21 are vertically fixedly connected to the lower side of the fixing plate 2. Each fastening cylinder 21 is threaded with a fastening screw 22 at its lower end. The positioning plate 3 has multiple fastening holes 32 through it, and each fastening hole 32 is used for each fastening screw 22 to be inserted.

[0050] When the positioning plate 3 is connected to the lower side of the fixing plate 2, the positioning plate 3 is stacked on the lower side of the fixing plate 2, each fastening cylinder 21 is aligned with each fastening hole 32, and then each fastening screw 22 is inserted from the corresponding fastening hole 32 and threaded to the corresponding fastening cylinder 21, thereby making a stable connection between the positioning plate 3 and the fixing plate 2, ensuring the stable rotation of the driving gear 4 and the three driven gears 5.

[0051] All fastening holes 32 are countersunk holes. The number of fastening sleeves 21, fastening screws 22, and fastening holes 32 can be two, three, four, or five, etc. The figure shows three of each, evenly distributed.

[0052] The lower end of each fastening cylinder 21 abuts against the upper side of the positioning plate 3, so as to form a gap between the fixing plate 2 and the positioning plate 3 through each fastening cylinder 21, thereby ensuring the stability of the installation space between the fixing plate 2 and the positioning plate 3.

[0053] Based on the above embodiment, a plurality of guide cylinders 321 are fixedly connected to the upper side of the positioning plate 3. The number of guide cylinders 321 is equal to the number of fastening holes 32, and they are arranged in a one-to-one correspondence. The lower end of the guide cylinder 321 is connected to the corresponding fastening hole 32. The lower end of each fastening cylinder 21 extends into the corresponding guide cylinder 321, and the outer wall abuts against the inner wall of the guide cylinder 321. Therefore, when the positioning plate 3 is connected to the lower side of the fixing plate 2, each guide cylinder 321 can guide and limit each fastening cylinder 21, so that each fastening cylinder 21 is accurately connected to the corresponding fastening hole 32.

[0054] A chamfer is formed on the inner edge of the upper end of the guide cylinder 321 to guide the insertion of the fastening cylinder 21.

[0055] The razor head holder of this utility model has at least one limiting post 23 vertically fixedly connected to the lower side of the fixing plate 2, and the positioning plate 3 has at least one limiting hole 33 for the lower end of the limiting post 23 to be inserted.

[0056] When the positioning plate 3 is connected to the lower side of the fixed plate 2, the lower end of the limiting post 23 can be simultaneously inserted into the limiting hole 33 to achieve synchronous limiting and prevent relative rotation between the fixed plate 2 and the positioning plate 3. The number of limiting posts 23 and limiting holes 33 can be one, two, three, four, or five, etc. Only one is shown in the figure. Furthermore, the limiting post 23 is fixed to one of the fastening cylinders 21 to form mutual support and improve structural strength.

[0057] Please refer to Figures 3 to 8. In the shaver head holder of this utility model, each driven gear 5 is coaxially fixedly connected to a rotating sleeve 51. Each rotating sleeve 51 has a vertical opening. Three rotating shafts 34 are vertically fixedly connected to the upper side of the positioning plate 3. Each rotating shaft 34 corresponds to each rotating sleeve 51, and its upper end is inserted into and rotatably connected to the corresponding rotating sleeve 51.

[0058] When the three driven gears 5 are rotated and installed on the positioning plate 3, the three rotating sleeves 51 are put into the corresponding rotating shafts 34 to complete the quick installation, which is simple and fast.

[0059] Based on the above embodiment, a ring sleeve 26 is fixedly connected to the lower opening end of the through hole 25 of the fixing plate 2, and multiple vertically arranged arc-shaped plates 52 located on the same circumference are fixedly connected to the upper end face of the three driven gears 5. The arc-shaped plates 52 abut against the inner side of the corresponding ring sleeve 26 to further improve the rotational installation stability of the driven gears 5.

[0060] Please refer to Figures 3 to 8. In the shaver head holder of this utility model, the inner wall of the lower housing 1 is provided with multiple engaging holes 11. The engaging holes 11 are distributed circumferentially at intervals and are located on the same horizontal plane. Multiple engaging blocks 24 are fixedly connected to the edge end of the fixing plate 2. Each engaging block 24 is adapted to and engaged with each engaging hole 11.

[0061] After assembling the fixing plate 2, positioning plate 3, driving gear 4 and driven gear 5, the fixing plate 2 is inserted into the lower housing 1 through the upper opening and installed inside the lower housing 1. During this process, each locking block 24 engages with each locking hole 11 to stably install the fixing plate 2 inside the lower housing 1.

[0062] Each locking block 24 has an inclined guide surface on its lower side, which guides the locking block 24 to deform and engage with the locking hole 11 by abutting against the edge of the lower housing 1, thus completing the installation.

[0063] The razor head holder of this utility model has multiple support plates 12 that are circumferentially spaced and fixedly connected to the inner wall of the lower housing 1. Each support plate 12 is located on the same horizontal plane and is simultaneously supported on the lower side of the fixed plate 2.

[0064] When each locking block 24 is engaged with each locking hole 11 to complete the installation of the fixing plate 2, each support plate 12 simultaneously supports the lower side of the fixing plate 2 to ensure the stability of the fixing plate 2 during installation. At the same time, each support plate 12 can improve the structural strength of the lower shell 1.

[0065] Please refer to Figure 7. In the shaver head holder of this utility model, multiple reinforcing plates 35 are fixedly connected to the lower side of the positioning plate 3 to improve the structural strength of the positioning plate 3.

[0066] Specifically, each reinforcing plate 35 can be a ring structure or a long strip plate structure.

[0067] Please refer to Figures 9 to 13. This utility model also discloses a shaver, including the shaver head holder mentioned above, an upper housing 6 that is fastened to the upper end of the lower housing 1, three blades 7 that are rotatably installed in the upper housing 6, a handle 8 that is detachably connected to the lower end of the lower housing 1, and a motor 9 installed in the handle 8. The three blades 7 are respectively driven by each driven gear 5, and the output end of the motor 9 is driven by the driving gear 4.

[0068] After installing the fixing plate 2 inside the lower housing 1, connect each cutter head 7 to the corresponding driven gear 5, and then fasten the upper housing 6 to the lower housing 1 to complete the installation.

[0069] In actual use, start the motor 9 to drive the drive gear 4 to rotate, which in turn drives the three drive gears 4 meshing with the drive gear 4 to rotate simultaneously. The transmission of the three drive gears 4 drives the corresponding three blades 7 to rotate, thus completing the shaving process.

[0070] The motor 9 is connected to the driving gear 4 via a driving transmission component, and each driven gear 5 is connected to the corresponding cutter head 7 via a driven transmission component. Both the driving and driven transmission components are conventional technologies in this field, so they will not be described in detail here.

[0071] Please refer to Figures 11 to 13. The shaver of this utility model also includes an intermediate housing 81 with a through-opening structure. The intermediate housing 81 is detachably connected to the upper end of the handle 8 by a plurality of connecting screws 82, and the lower end of the lower housing 1 extends into the intermediate housing 81 and is snapped into the inner side of the intermediate housing 81.

[0072] The lower end of the lower housing 1 is tapered inward to form a cylindrical structure and is inserted downward into the middle housing 81 to achieve a snap-fit ​​connection with the middle housing 81. Specifically, a slot 13 is provided on the outer side of the lower end of the lower housing 1, and a locking block 813 is fixedly connected to the inner side of the middle housing 81. The locking block 813 can deform and snap into the slot 13 to achieve the installation of the lower housing 1 and the handle 8 through the middle housing 81.

[0073] The shaver of this utility model has a lower overlapping ring 811 fixedly connected to the lower end of the middle shell 81 and an upper overlapping ring 812 fixedly connected to the upper end. The lower overlapping ring 811 overlaps the upper end of the handle 8, and the upper overlapping ring 812 overlaps the lower end of the lower shell 1.

[0074] In this invention, the handle 8 includes an inner shell and a protective sleeve fitted onto the inner shell, and the motor 9 is installed inside the inner shell. The upper end of the inner shell has a lower receiving platform that abuts against the inner side of the lower overlapping ring 811; the lower overlapping ring 811 and the lower receiving platform abut against each other, improving the sealing effect. The lower end of the lower shell 1 has an upper receiving platform that abuts against the upper overlapping ring 812; the upper overlapping ring 812 and the upper receiving platform abut against each other, improving the sealing effect.

[0075] The above are merely preferred embodiments of the present utility model and are not intended to limit the present utility model. Any modifications, equivalent substitutions or improvements made within the spirit and principles of the present utility model should be included within the protection scope of the present utility model.

Claims

1. A razor head holder, characterized in that, include: The lower housing (1) is detachably connected to the lower housing (1); the positioning plate (3) is installed in the lower housing (1) and detachably connected to the fixing plate (2), and an installation space is formed between the positioning plate (3) and the fixing plate (2), and the positioning plate (3) has a through opening in the middle to form a central hole (31); the driving gear (4) is rotatably connected to the central hole (31); and the driven gear (5) is provided in three, with each driven gear (5) circumferentially distributed around the driving gear (4) and meshing with the driving gear (4), and each driven gear (5) is rotatably connected to the positioning plate (3).

2. The razor head holder according to claim 1, characterized in that, The lower side of the fixing plate (2) is vertically fixed with a plurality of fastening cylinders (21), and the lower end of each fastening cylinder (21) is threaded with a fastening screw (22). The positioning plate (3) is provided with a plurality of fastening holes (32), and each fastening hole (32) is for each fastening screw (22) to be inserted.

3. The razor head holder according to claim 2, characterized in that, At least one limiting post (23) is vertically fixedly connected to the lower side of the fixing plate (2), and the positioning plate (3) is provided with at least one limiting hole (33) for the lower end of the limiting post (23) to be inserted.

4. The razor head holder according to claim 1, characterized in that, Each driven gear (5) is coaxially fixedly connected to a rotating sleeve (51). Each rotating sleeve (51) has a vertical opening. The upper side of the positioning plate (3) is vertically fixedly connected to three rotating shafts (34). Each rotating shaft (34) corresponds to each rotating sleeve (51) and its upper end is inserted into and rotatably connected to the corresponding rotating sleeve (51).

5. The razor head holder according to claim 1, characterized in that, The inner wall of the lower housing (1) is provided with a plurality of engaging holes (11), which are circumferentially spaced and located on the same horizontal plane. The edge end of the fixing plate (2) is fixedly connected with a plurality of engaging blocks (24), which are adapted to and engaged in each of the engaging holes (11).

6. The razor head holder according to claim 5, characterized in that, The inner wall of the lower housing (1) is fixedly connected to a plurality of support plates (12) that are circumferentially spaced apart. Each of the support plates (12) is located on the same horizontal plane and is simultaneously supported on the lower side of the fixed plate (2).

7. The razor head holder according to claim 1, characterized in that, Multiple reinforcing plates (35) are fixedly connected to the lower side of the positioning plate (3).

8. A razor, characterized in that, The razor includes the razor head holder as described in any one of claims 1-7, and further includes an upper housing (6) fastened to the upper end of the lower housing (1), three razor heads (7) rotatably mounted in the upper housing (6), a handle (8) detachably connected to the lower end of the lower housing (1), and a motor (9) mounted in the handle (8). The three razor heads (7) are respectively driven to each of the driven gears (5), and the output end of the motor (9) is driven to the driving gear (4).

9. The razor according to claim 8, characterized in that, It also includes an intermediate housing (81) with a through-open structure, the intermediate housing (81) being detachably connected to the upper end of the handle (8) by a plurality of connecting screws (82), and the lower end of the lower housing (1) extending into the intermediate housing (81) and snapping into the inner side of the intermediate housing (81).

10. The razor according to claim 9, characterized in that, The lower end of the intermediate housing (81) is fixedly connected to a lower overlapping ring (811), and the upper end is fixedly connected to an upper overlapping ring (812). The lower overlapping ring (811) overlaps the upper end of the handle (8), and the upper overlapping ring (812) overlaps the lower end of the lower housing (1).

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