Electric shaver
By employing a horizontally positioned driver and a cam reversing structure in the electric shaver, the space in the casing is increased to accommodate a large-capacity battery. Furthermore, the magnetic connection and detachable shaver head design solve the problem of limited battery capacity, achieving an efficient and long-lasting shaving experience while reducing production costs.
Patent Information
- Application Number
- CN202520198654.3
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-02-08
- Publication Date
- 2025-10-24
- Estimated Expiration
- 2035-02-08
AI Technical Summary
The current electric shaver has a complex driver layout that occupies a lot of space inside the casing, resulting in limited battery capacity and insufficient battery life. This affects the user experience in different scenarios and increases production costs and design complexity.
The driver is positioned horizontally at the top of the housing, and a cam reversing structure is used to increase the internal space of the housing to accommodate a larger capacity battery. At the same time, the cutter head assembly is optimized through magnetic connection and detachable design, improving assembly efficiency and ease of maintenance.
It significantly improves the battery life of electric shavers, reduces charging frequency, reduces inconvenience in use, enhances product competitiveness and user experience, and reduces production costs and maintenance difficulty.
Smart Images

Figure CN223466334U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to a shaving equipment especially an electric shaver. BACKGROUND
[0002] In the modern fast-paced life, men pay more and more attention to the maintenance of personal image, and the importance of electric shaver as a convenient shaving tool is self-evident. However, the existing electric shaver has many problems that disturb users.
[0003] The driver layout form of the traditional electric shaver is various, but the common vertical setting or other conventional layout mode uses the combination structure of eccentric shaft to change the rotary power into reciprocating power, and the combination structure is complex and large in size, so that the internal space of the shell is occupied by the driver in a large proportion. This results in that the space remaining in the shell for installing the battery is extremely limited, and then only a small capacity battery can be selected. The direct consequence of the small capacity battery is insufficient endurance, and the user often needs to charge frequently. For example, during business trip or travel, if the user forgets to charge, the shaver cannot be used normally, which brings great inconvenience to the user.
[0004] Even if some electric shavers use a larger capacity battery to improve the endurance, due to the limited space of the shell, the shape or size of the battery has to be compromised, which may affect the performance and stability of the battery. Moreover, in order to accommodate these specially designed batteries, additional modification of the shell may be required, which increases the production cost and design difficulty of the product.
[0005] In addition, insufficient endurance also limits the use of electric shaver in some special scenarios, such as outdoor activities, the user may not be able to clean the beard in time due to the power problem, which affects the personal image. SUMMARY
[0006] The utility model provides an electric shaver aiming at the shortcoming in the prior art.
[0007] In order to solve the above technical problems, the utility model solves the problems through the following technical schemes:
[0008] An electric shaver, comprising
[0009] A shell;
[0010] A driver, which is arranged in the shell and horizontally arranged at the upper end, and a cam is installed on the output shaft of the driver;
[0011] A swing piece, which is installed in the shell and can move left and right, and a cutter head is installed at the upper end of the swing piece, a limiting part is arranged at the lower end of the swing piece, the cam is matched with the limiting part, and the cam rotates and drives the swing piece to move left and right reciprocally.
[0012] Preferably, the limiting part is two convex columns, and a first clamping groove is arranged between the two convex columns; the cam includes a shaft sleeve fixed on the output shaft of the driver, and a tab is arranged around the circumferential surface of the shaft sleeve, which is clamped into the first clamping groove.
[0013] Preferably, the tool head includes a tool head cover, a tool seat and a blade, and the upper end of the casing is provided with an upwardly protruding joint part, and the tool head cover covers the joint part; the tool seat and the blade are arranged in the tool head cover, the upper end of the tool seat is connected with the blade, and the lower end of the tool seat is integrally formed with a connecting rod; the upper end surface of the swing member is fixed with a vertical rod, and the vertical rod is clamped and connected with the connecting rod.
[0014] Preferably, the tool head includes a guide seat and a supporting spring piece, the guide seat is clamped and connected with the tool head cover, and the supporting spring piece is arranged between the guide seat and the tool seat; the guide seat is detachably connected with the joint part.
[0015] Preferably, the guide seat is magnetically connected with the joint part, the lower end surface of the guide seat is provided with at least one upper mounting groove, an upper ferromagnet is fixed in the upper mounting groove, the upper end surface of the joint part is provided with a number of lower mounting grooves same as the upper mounting grooves, and a lower ferromagnet is fixed in each lower mounting groove; when the guide seat is mounted on the joint part, the upper ferromagnet is attracted to the lower ferromagnet.
[0016] Preferably, the guide seat is clamped and connected with the joint part, the guide seat is provided with at least one male locking switch, and a female locking switch is mounted on the joint part; the guide seat is clamped and connected with the joint part through the male locking switch and the female locking switch.
[0017] Preferably, the supporting spring piece includes a connecting part, a supporting part and a positioning part, the two ends of the connecting part are provided with upwardly arched supporting parts, the supporting parts are provided with first guide holes through which the connecting rod passes, and the lower ends of the connecting part are provided with the positioning parts; the two positioning parts form a positioning groove for clamping and connecting with the guide seat.
[0018] Preferably, the guide seat is provided with a second guide hole through which the connecting rod passes, and the second guide hole penetrates through the upper and lower end surfaces of the guide seat; the side of the upper mounting groove is provided with a first clamping hook with elastic deformation, and the first clamping hook is clamped and connected with the tool head cover.
[0019] Preferably, the blade includes a fixed blade and a movable blade, the fixed blade is fixed on the top of the tool head cover, the movable blade is fastened on the tool seat, the fixed blade and the movable blade are tightly attached together, the fixed blade is provided with a plurality of first hair inlet holes, the movable blade is provided with a plurality of second hair inlet holes, and the width of the second hair inlet holes is greater than the width of the first hair inlet holes.
[0020] As preferred, the cutter head is covered with a cutter head cover, the cutter head cover comprises a cover body and a connecting frame, the upper end of the connecting frame is fixedly connected with the cover body, the lower end of the connecting frame is provided with a second clamping hook, the second clamping hook is clamped and connected with a second clamping groove formed between the cutter head and the machine shell, and the cutter head cover is buckled on the cutter head.
[0021] The utility model discloses have remarkable technical effect because of adopting above technical scheme,
[0022] The driver is horizontally arranged on the upper end of the machine shell and uses a reversing structure of a cam. This unique design effectively increases the space inside the machine shell, allowing the machine shell to easily accommodate a larger capacity battery. The larger capacity battery not only significantly improves the endurance of the shaver, meeting the user's needs in different scenarios and reducing the frequency of charging, but also reduces the inconvenience caused by battery problems without affecting the performance of the product, providing users with a more high-quality and efficient shaving experience. At the same time, this design optimization also helps to improve the overall competitiveness of the product, meeting the market demand for high-performance and long-lasting electric shavers. BRIEF DESCRIPTION OF DRAWINGS
[0023] Figure 1 is a sectional view of the first structure of the utility model.
[0024] Figure 2 is a structure diagram of the cutter head.
[0025] Figure 3 is a structure diagram of the swing piece.
[0026] Figure 4 is a structure diagram of the cam.
[0027] Figure 5 is a structure diagram of the cutter seat.
[0028] Figure 6 is a structure diagram of part of the machine shell.
[0029] Figure 7 is a structure diagram of the guide seat.
[0030] Figure 8 is a structure diagram of the supporting spring.
[0031] Figure 9 is a structure diagram of the connecting frame cooperating with the cutter head.
[0032] Figure 10 is a structure diagram of the connecting frame.
[0033] Figure 11 is a structure diagram of the fixed blade and the moving blade.
[0034] Figure 12It is the second structure form's section structure schematic diagram of the utility model.
[0035] The part names referred to by the respective numeral designations in the above drawings are as follows:
[0036] 1 - casing, 11 - joint part, 111 - lower mounting groove
[0037] 2 - driver
[0038] 3 - cam, 31 - shaft sleeve, 32 - tab
[0039] 4 - swing piece, 41 - limiting part, 42 - first clamping groove, 43 - vertical rod
[0040] 5 - cutter head, 51 - cutter head cover, 52 - cutter seat, 53 - cutter blade, 54 - guide seat, 55 - supporting spring piece, 521 - connecting rod, 531 - fixed cutter blade, 532 - movable cutter blade, 541 - upper mounting groove, 542 - second guide hole, 543 - first clamping hook, 544 - female head of locking switch, 551 - connecting part, 552 - supporting part, 553 - positioning part, 554 - first guide hole, 555 - positioning groove, 5311 - first whisker inlet hole, 5312 - second whisker inlet hole
[0041] 6 - cutter head cover, 61 - cover body, 62 - connecting frame, 621 - second clamping hook
[0042] 7 - female head of locking switch
[0043] 100 - second clamping groove DETAILED DESCRIPTION
[0044] The utility model will be further described in detail in combination with the accompanying Figures 1-12 The utility model will be further described in detail in combination with the accompanying Example 1
[0045] A kind of electric shaver, including casing 1, driver 2 and swing piece 4, the driver 2 of this embodiment is motor, driver 2 is arranged in casing 1 and is transversely arranged in upper end portion, i.e. the output shaft of motor is transversely arranged, cam 3 is installed on the output shaft of driver 2, cam 3 is interference fit on the output shaft of driver 2, and driver 2 can drive cam 3 to rotate.
[0046] Swing piece 4 is installed in casing 1 and can move left and right, and the both ends of swing piece 4 are limited on casing 1 in radial direction.Cutter head 5 is installed on the upper end of swing piece 4, and cutter head 5 can be separated from swing piece 4 as a whole, limiting part 41 is arranged at the lower end of swing piece 4, and cam 3 is adapted to limiting part 41, and cam 3 rotates and drives swing piece 4 to reciprocate left and right.
[0047] The driver 2 is transversely arranged on the upper end of the casing 1. This unique design effectively increases the space inside the casing 1, so that the casing 1 can easily install a larger capacity battery. A larger capacity battery not only can significantly improve the endurance of the shaver, meet the user's use needs in different scenarios, reduce the charging frequency, but also can reduce the inconvenience caused by battery problems without affecting the performance of the product, and bring users a more high-quality and efficient shaving experience. At the same time, this design optimization also helps to improve the overall competitiveness of the product and meet the market demand for high-performance and long-lasting electric shavers.
[0048] The limiting part 41 is two convex columns, and a first clamping groove 42 is arranged between the two convex columns. The cam 3 includes a shaft sleeve 31 fixed on the output shaft of the driver 2, and a tab 32 is arranged around the circumferential surface of the shaft sleeve 31, which is clamped into the first clamping groove 42. The limiting part 41 adopts two convex columns and sets the first clamping groove 42 therebetween, which cooperates with the tab 32 arranged around the circumferential surface of the shaft sleeve on the cam 3 to form a stable clamping transmission structure. The tab 32 is clamped into the first clamping groove 42, which can more effectively transmit the rotating power of the cam 3 compared with the general simple contact or connection mode, ensuring that the swing piece 4 moves stably left and right, avoiding unstable conditions such as shaking and displacement during work, and greatly improving the stability and reliability of the shaver work.
[0049] The head 5 includes a head cover 51, a holder 52 and a blade 53. The upper end of the casing 1 is provided with a connector 11 protruding upward. In this embodiment, the connector 11 is integrally formed at the top end of the casing 1, and the projection outline of the connector 11 is rectangular. The head cover 51 covers the connector 11, and when it is necessary to clean the inside of the head 5, the head cover 51 can be opened. The holder 52 and the blade 53 are arranged in the head cover 51, the upper end of the holder 52 is fixedly connected with a moving blade 532 of the blade 53, and a fixed blade 531 of the blade 53 is fixed on the top of the head cover 51. The lower end of the holder 52 is integrally formed with a connecting rod 521, and the upper end surface of the swing piece 4 is integrally formed with a vertical rod 43, which is clamped and connected with the connecting rod 521. In this embodiment, the connecting rod 521 and the vertical rod 43 are both two. The holder 52 is clamped and connected with the vertical rod 43 on the swing piece 4 through the connecting rod 521 at the lower end, and such a structure enables the swing of the swing piece 4 to be efficiently transmitted to the holder 52 and the blade 53. When the swing piece 4 moves left and right, the blade 53 can swing accurately, fit the facial contour, achieve more comprehensive and efficient shaving, effectively reduce the shaving blind area, and improve the shaving quality.
[0050] The cutter head 5 comprises a guide seat 54 and a supporting spring 55. The guide seat 54 is connected with the cutter head cover 51 in a clamping manner. The supporting spring 55 is arranged between the guide seat 54 and the cutter seat 52. The guide seat 54 is detachably connected with the joint part 11. The supporting spring 55 is arranged between the guide seat 54 and the cutter seat 52, and plays a key role in buffering and supporting. When the cutter seat 52 swings with the swing part 4, the supporting spring 55 can provide a continuous and stable supporting force for the cutter seat 52, so that the swing of the cutter seat 52 and the blade 53 is more stable and smooth, and the cutter seat 52 always maintains good adhesion with the face, thereby improving the shaving efficiency and comfort, reducing the phenomenon of blade jamming, and prolonging the service life of the blade. The guide seat 54 is detachably connected with the joint part 11, which greatly facilitates the user to clean and maintain the cutter head. After use, the user can easily detach the guide seat 54 from the joint part 11, and then more comprehensively clean the shavings and dirt in each corner of the cutter head, maintain the cleanliness of the cutter head, and improve the overall performance of the shaver. Moreover, when a component of the cutter head is damaged, this detachable connection mode facilitates the replacement of the corresponding component, thereby reducing the maintenance cost.
[0051] The guide seat 54 is magnetically connected with the joint part 11. The lower end surface of the guide seat 54 is provided with at least one upper mounting groove 541. In the embodiment, the number of the upper mounting grooves 541 is three. The three upper mounting grooves 541 are respectively arranged at the two ends and the middle position of the guide seat 54. An upper ferromagnetic body is embedded in each upper mounting groove 541. The upper end surface of the joint part 11 is provided with a number of lower mounting grooves 111 which is the same as that of the upper mounting grooves 541. A lower ferromagnetic body is also embedded in each lower mounting groove 111. When the guide seat 54 is mounted on the joint part 11, the upper ferromagnetic body is attracted to the lower ferromagnetic body. The guide seat 54 and the joint part 11 are connected in a magnetic attraction manner. When the user installs the cutter head 5, the upper ferromagnetic body and the lower ferromagnetic body will be automatically attracted. Unlike the traditional connection method, there is no need for complicated alignment and buckling operation, which greatly improves the installation efficiency and accuracy, and enables the user to easily and quickly complete the installation of the cutter head 5, saving time and effort. The mechanical wear of the magnetic attraction connection mode is small. The upper ferromagnetic body and the lower ferromagnetic body can be attracted and separated multiple times, and the performance is not easily affected. This means that the cutter head can always maintain good connection performance and convenience during long-term use, whether it is installation or disassembly operation, reducing the need to replace the cutter head 5 or the entire shaver due to damage to the connection components, reducing the user's use cost, and improving the durability and cost performance of the product.
[0052] The support spring 55 is an integral spring, which comprises a connecting portion 551, a supporting portion 552 and a positioning portion 553. The supporting portion 552 is arched upward at both ends of the connecting portion 551, and the first guide hole 554 is arranged on the supporting portion 552 for the connecting rod 521 to pass through. The positioning portion 553 is arranged at the lower end of the connecting portion 551, and the positioning slot 555 is formed between the two positioning portions 553 for the guiding seat 54 to be clamped and connected. The support spring 55 provides stable and elastic support for the knife seat 52 through the unique connecting portion 551 and the upward-arched supporting portion 552 at both ends. When the knife seat 52 moves with the swing piece 4, the upward-arched supporting portion 552 can effectively buffer the vibration and reduce the shaking of the knife seat 52, so as to ensure that the swing of the blade 53 is more stable and accurate, and the good fit with the face is always maintained, the shaving efficiency and comfort are improved, the phenomenon of blade jamming is reduced, and the service life of the blade is prolonged. The first guide hole 554 arranged on the supporting portion 552 is for the connecting rod 521 to pass through, and plays a precise guiding role. It ensures the direction accuracy of the knife seat 52 during movement, so that the knife seat 52 can swing along the predetermined track with the swing piece 4, further improves the accuracy of shaving, and avoids the problems of incomplete shaving or skin injury caused by displacement deviation of the knife seat 52. The positioning portion 553 at the lower end of the connecting portion 551 and the positioning slot 555 formed between the two positioning portions 553 are clamped and connected with the guiding seat 54, and provide a reliable positioning mode for the installation of the support spring 55. During installation, the clamping of the positioning slot 555 and the guiding seat 54 can quickly and accurately fix the support spring 55 in the appropriate position, reduce the installation difficulty and error probability, and also enhance the integrity and stability of the internal structure of the cutter head.
[0053] The guiding seat 54 is provided with the second guide hole 542 for the connecting rod 521 to pass through. The second guide hole 542 is long strip-shaped and penetrates through the upper and lower end faces of the guiding seat 54. The second guide hole 542 is in communication with the upper mounting groove 541 at both ends of the guiding seat 54, the width of the upper mounting groove 541 is greater than that of the second guide hole 542, the first clamping hook 543 with elastic deformation is mounted on the side edge of the upper mounting groove 541, the number of the first clamping hook 543 is four, and the guiding seat 54 is clamped and connected with the cutter head cover 51 through the first clamping hook 543. When assembling the cutter head, the cutter head cover 51 is only needed to be close to the guiding seat 54, and the clamping connection can be completed by gently pressing by the elasticity of the first clamping hook 543. This process does not need complex operation and additional tools, greatly improves the efficiency of the cutter head assembly, reduces the production and assembly difficulty and cost, and also facilitates the user to disassemble and reinstall during later maintenance.
[0054] The blade 53 comprises a fixed blade 531 fixed on the top of the head cover 51 and a movable blade 532 fastened on the seat 52. The fixed blade 531 is tightly attached to the movable blade 532. The fixed blade 531 is provided with a plurality of first hair entry holes 5311, and the movable blade 532 is provided with a plurality of second hair entry holes 5312. The width of the second hair entry holes 5312 is greater than that of the first hair entry holes 5311, that is, the first hair entry holes 5311 and the second hair entry holes 5312 are staggered. During shaving, the movable blade 532 can shave in time, and the phenomenon of sometimes shaving and sometimes not shaving can be avoided, thereby effectively reducing the impact on the driver 2 during shaving.
[0055] The head cover 6 is provided on the head 5, and the head cover 6 comprises a cover body 61 and a connecting frame 62. The upper end of the connecting frame 62 is fastened to the cover body 61 by clamping. The lower end of the connecting frame 62 is provided with a second clamping hook 621. The head 5 and the casing 1 form a second clamping groove 100. The second clamping hook 621 is clamped and connected to the second clamping groove 100, and the head cover 6 is buckled on the head 5. During use, the cover body 61 is pulled out, so that the second clamping hook 621 is separated from the second clamping groove 100. At this time, the head 5 will not be separated from the joint part 11 of the casing 1. Embodiment 2
[0056] Embodiment 2 has the same characteristics as embodiment 1, except that the guide seat 54 is clamped and connected to the joint part 11. The guide seat 54 is provided with at least one locking switch male head 544, and the joint part 11 is provided with a locking switch female head 7. The guide seat 54 is clamped and connected to the joint part 11 through the locking switch male head 544 and the locking switch female head 7. Since the guide seat 54 is connected to the joint part 11 conveniently, the user can quickly disassemble the head 5 when cleaning the head. The beard and dirt attached to the head 5 and the joint part 11 can be easily cleaned. The cleanliness of the head 5 can not only improve the shaving experience, but also prolong the overall service life of the shaver. In addition, when a component of the head 5 needs to be replaced due to damage, this convenient connection method also facilitates user maintenance operations, thereby reducing maintenance costs.
Claims
1. An electric shaver, characterized by: The utility model relates to a cutting machine, including A casing (1); A driver (2) is arranged in the casing (1) and is horizontally arranged at the upper end, a cam (3) is arranged on the output shaft of the driver (2); A swing piece (4) is arranged in the casing (1) and can move left and right, a cutter head (5) is arranged at the upper end of the swing piece (4), a limiting part (41) is arranged at the lower end of the swing piece (4), the cam (3) is matched with the limiting part (41), the cam (3) rotates and drives the swing piece (4) to reciprocate left and right.
2. An electric shaver according to claim 1, characterized in that: The limiting part (41) is two convex columns, a first clamping groove (42) is arranged between the two convex columns, the cam (3) comprises a shaft sleeve (31) fixed on the output shaft of the driver (2), a flange (32) is arranged on the circumferential surface of the shaft sleeve (31), and the flange (32) is clamped into the first clamping groove (42).
3. A shaver according to claim 1, characterized in that: The cutter head (5) comprises a cutter head cover (51), a cutter seat (52) and a cutter blade (53), an upwardly protruding joint part (11) is arranged at the upper end of the casing (1), and the cutter head cover (51) covers the joint part (11); the cutter seat (52) and the cutter blade (53) are arranged in the cutter head cover (51), the upper end of the cutter seat (52) is connected with the cutter blade (53), and an connecting rod (521) is integrally formed at the lower end of the cutter seat (52); a vertical rod (43) is fixed to the upper end surface of the swing piece (4), and the vertical rod (43) is clamped and connected with the connecting rod (521).
4. A shaver according to claim 3, characterized in that: The cutter head (5) comprises a guide seat (54) and a supporting elastic sheet (55), the guide seat (54) is clamped and connected with the cutter head cover (51), the supporting elastic sheet (55) is arranged between the guide seat (54) and the cutter seat (52), and the guide seat (54) is detachably connected with the joint part (11).
5. An electric shaver according to claim 4, characterized in that: The guide seat (54) is magnetically connected with the joint part (11), an upper mounting groove (541) in at least one number is arranged on the lower end surface of the guide seat (54), an upper ferromagnet is fixed in the upper mounting groove (541), a lower mounting groove (111) in the same number as the upper mounting groove (541) is arranged on the upper end surface of the joint part (11), a lower ferromagnet is fixed in the lower mounting groove (111), and when the guide seat (54) is mounted on the joint part (11), the upper ferromagnet is attracted to the lower ferromagnet.
6. A shaver according to claim 4, characterized in that: The guide seat (54) is clamped and connected with the joint part (11), at least one locking switch male head (544) is arranged on the guide seat (54), a locking switch female head (7) is arranged on the joint part (11), and the guide seat (54) is clamped and connected with the locking switch female head (7) of the joint part (11) through the locking switch male head (544).
7. A shaver according to claim 4, characterized in that: The supporting elastic sheet (55) comprises a connecting part (551), a supporting part (552) and a positioning part (553), the two ends of the connecting part (551) are provided with the upwardly arched supporting parts (552), the supporting parts (552) are provided with first guide holes (554) through which the connecting rod (521) passes, the lower ends of the connecting part (551) are provided with the positioning parts (553) on the two sides, and the two positioning parts (553) form a positioning groove (555) clamped and connected with the guide seat (54).
8. A shaver according to claim 5, characterized in that: The guide seat (54) is provided with a second guide hole (542) for the connecting rod (521) to pass through, the second guide hole (542) penetrating through the upper and lower end faces of the guide seat (54); the side of the upper mounting groove (541) is provided with a first clamping hook (543) with elastic deformation, and the first clamping hook (543) is clamped and connected with the cutter head cover (51).
9. A shaver according to claim 3, characterized in that: The cutter blade (53) comprises a fixed cutter blade (531) and a movable cutter blade (532), the fixed cutter blade (531) is fixed on the top of the cutter head cover (51), the movable cutter blade (532) is fastened on the cutter seat (52), the fixed cutter blade (531) and the movable cutter blade (532) are tightly attached together, a plurality of first hair inlet holes (5311) are arranged on the fixed cutter blade (531), and a plurality of second hair inlet holes (5312) are arranged on the movable cutter blade (532), the width of the second hair inlet hole (5312) is greater than the width of the first hair inlet hole (5311).
10. An electric shaver according to any one of claims 1-9, characterized in that: The cutter head (5) is covered with a cutter head cover (6), the cutter head cover (6) comprises a cover body (61) and a connecting frame (62), the upper end of the connecting frame (62) is fixedly connected with the cover body (61), the lower end of the connecting frame (62) is provided with a second clamping hook (621), a second clamping groove (100) is formed between the cutter head (5) and the machine shell (1), the second clamping hook (621) is clamped and connected with the second clamping groove (100) and buckles the cutter head cover (6) on the cutter head (5).