Transmission mechanism and personal electric nursing product

Abstract

The utility model discloses a transmission mechanism and a personal electric nursing product with the transmission mechanism, the transmission mechanism comprises a transmission assembly, a sliding assembly and a driving mechanism, and the sliding assembly is connected with the driving mechanism through the transmission assembly; the transmission assembly comprises an eccentric wheel and a linkage piece, the eccentric wheel is connected with the driving mechanism, and the two ends of the linkage piece are connected with the eccentric wheel and the sliding assembly respectively. The sliding assembly comprises a sliding rod and a sliding block, the sliding rod is sleeved with the sliding block, the linkage piece is connected with the sliding block, and the driving mechanism can drive the sliding block to reciprocate in the length direction of the sliding rod through the transmission assembly. By arranging the transmission assembly, rotary motion of the driving mechanism is converted into linear motion to be transmitted to the sliding block of the sliding assembly, the transmission assembly comprises the eccentric wheel and the linkage piece, power can be stably transmitted, vibration and impact in the transmission process are reduced, and reciprocating motion of the sliding block on the sliding rod is more stable.

Description

Technical Field

[0001] The utility model relates to the technical field of personal care equipment, in particular to a transmission mechanism and a personal electric care product. Background Art

[0002] Nowadays, more and more people pay attention to personal care and buy many electric care products for their own use. Personal electric care products include electric toothbrushes, fascia guns, beauty devices and other products. As an important product in the field of oral hygiene and health care, electric toothbrushes are favored by more and more consumers due to their stronger cleaning effect and convenience. In addition to the vibration function, the existing electric toothbrushes also have the telescopic function, so as to achieve more comprehensive cleaning of teeth. At present, the telescopic function is usually achieved by directly moving back and forth through the telescopic mechanism. The structures are prone to collision and friction and produce noise, which results in poor experience. Utility Model Content

[0003] In order to overcome the shortcomings of the prior art, the utility model provides a transmission mechanism and a personal electric care product. By setting a transmission assembly, the rotational motion of the driving mechanism is converted into linear motion and transmitted to the slider of the sliding assembly. The transmission assembly includes an eccentric wheel and a linkage member, which can smoothly transmit power, reduce vibration and impact during the transmission process, and make the reciprocating motion of the slider on the slide rod more stable.

[0004] The technical solution adopted by the utility model to solve its technical problems is:

[0005] A transmission mechanism, used for personal electric care products, includes a transmission component, a sliding component and a driving mechanism, wherein the sliding component is connected to the driving mechanism through the transmission component; the transmission component includes an eccentric wheel and a linkage member, wherein the eccentric wheel is connected to the driving mechanism, and the two ends of the linkage member are respectively connected to the eccentric wheel and the sliding component; the sliding component includes a sliding rod and a slider, wherein the slider is sleeved on the sliding rod, the linkage member is connected to the slider, and the driving mechanism can drive the slider to reciprocate along the length direction of the sliding rod through the transmission component.

[0006] As a further improvement of the above technical solution, the eccentric wheel is provided with a fixing hole and an eccentric shaft, and the fixing hole is sleeved on the driving end of the driving mechanism; the linkage member is provided with a first connecting hole connected to the eccentric shaft.

[0007] As a further improvement of the above technical solution, the slider is provided with a connecting shaft, the linkage member is provided with a second connecting hole, and the connecting shaft is inserted into the second connecting hole.

[0008] As a further improvement of the above technical solution, the driving mechanism is a motor, the driving end is arranged on a side of the motor, and the connecting shaft and the driving end are arranged on the same side of the transmission mechanism.

[0009] As a further improvement of the above technical solution, bearings are provided in the first connecting hole and the second connecting hole, and the eccentric shaft and the connecting shaft are respectively inserted into the corresponding bearings.

[0010] As a further improvement of the above technical solution, the outer sides of the ends of the eccentric shaft and the connecting shaft are respectively provided with snap-fit ​​grooves, the eccentric shaft passes through the first connecting hole, the connecting shaft passes through the second connecting hole, and the snap-fit ​​groove is exposed to the linkage member; a retaining ring is provided in the snap-fit ​​groove, and the retaining ring abuts against the surface of the linkage member.

[0011] As a further improvement of the above technical solution, the sliding assembly further comprises a transmission rod, the transmission rod is arranged at one end of the sliding block away from the transmission assembly, and the transmission rod is transmission-connected to the sliding block.

[0012] As a further improvement of the above technical solution, the transmission rod is transmission-connected to the slider via an elastic member.

[0013] As a further improvement of the above technical solution, a connecting portion is provided on one side of the sliding block connected to the elastic member, and two ends of the elastic member are respectively connected to the connecting portion and the transmission rod.

[0014] As a further improvement of the above technical solution, a first mounting hole is provided on the connecting part, and a second mounting hole is provided on the transmission rod. Fixing members are passed through the first mounting hole and the second mounting hole, and the two fixing members press the two ends of the elastic member onto the connecting part and the transmission rod respectively.

[0015] As a further improvement of the above technical solution, the sliding assembly also includes a fixed seat; the sliding rod is provided on both sides of the fixed seat, and the two sides of the sliding block are correspondingly provided with axial holes, and the sliding rod is correspondingly inserted into the axial holes; or, the sliding rod is provided at the middle position of the fixed seat, and the middle of the sliding block is provided with an axial hole, and the sliding rod is inserted into the axial hole.

[0016] As a further improvement of the above technical solution, the transmission mechanism further includes a vibration member, which is sleeved on the transmission rod and located at an end of the sliding assembly away from the transmission assembly.

[0017] The present solution also provides a personal electric care product, comprising any of the transmission mechanisms described above, wherein the personal electric care product is an electric toothbrush, wherein the electric toothbrush comprises a shell and a brush head, wherein the transmission mechanism is disposed in the shell and has a connecting end extending outside the shell, and the brush head is connected to the connecting end.

[0018] The beneficial effects of the utility model are as follows: the transmission mechanism includes a transmission assembly, which converts the rotational motion of the driving mechanism into linear motion and transmits it to the slider of the sliding assembly. The transmission assembly includes an eccentric wheel and a linkage, which can smoothly transmit power, reduce vibration and impact during the transmission process, and help improve the stability of the overall structure. The sliding assembly adopts a slide bar to cooperate with the slider, and the slider can reciprocate along the length direction of the slide bar on the slide bar. The slide bar limits the movement trajectory of the slider, which helps to achieve more precise operation, further improves the stability of the transmission mechanism, and makes users have a better experience using personal electric care products with the transmission mechanism. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] The utility model is further described below in conjunction with the accompanying drawings and embodiments.

[0020] Figure 1 It is a three-dimensional schematic diagram of the transmission mechanism of the utility model;

[0021] Figure 2 It is a three-dimensional schematic diagram of the transmission assembly of the utility model;

[0022] Figure 3 It is an exploded schematic diagram of the transmission assembly of the utility model;

[0023] Figure 4 It is a three-dimensional schematic diagram of the sliding assembly of the utility model;

[0024] Figure 5 It is an exploded schematic diagram of the sliding assembly of the utility model;

[0025] Figure 6 It is a top view of the personal electric care product of the utility model;

[0026] Figure 7 yes Figure 6 Schematic diagram of the cross section of AA.

[0027] Explanation of the reference numerals: 100-transmission assembly; 110-eccentric wheel; 111-fixing hole; 112-eccentric shaft; 113-clamping groove; 120-linkage member; 121-first connecting hole; 122-second connecting hole; 130-bearing; 140-retaining ring; 200-sliding assembly; 210-slide rod; 220-sliding block; 221-connecting shaft; 222-connecting part; 223-first mounting hole; 230-transmission rod; 231-second mounting hole; 240-elastic member; 250-fixing seat; 260-fixing member; 300-driving mechanism; 310-driving end; 400-vibrating member; 001-transmission mechanism; 002-housing; 003-brush head; 004-battery. DETAILED DESCRIPTION

[0028] The following will clearly and completely describe the concept, specific structure and technical effects of the utility model in combination with the embodiments and drawings, so as to fully understand the purpose, characteristics and effects of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of them. Based on the embodiments of the utility model, other embodiments obtained by technicians in this field without creative work are all within the scope of protection of the utility model. In addition, all the connection / connection relationships involved in the patent do not refer to the direct connection of components, but refer to the formation of a better connection structure by adding or reducing connection accessories according to the specific implementation situation. The various technical features in the creation of the utility model can be combined interchangeably without conflicting with each other.

[0029] Reference Figures 1 to 4 The utility model provides a transmission mechanism 001, which is used in personal electric care products, including but not limited to electric toothbrushes, fascia guns, beauty devices, etc. The utility model takes an electric toothbrush as an example of a personal electric care product. The transmission mechanism 001 includes a transmission assembly 100, a sliding assembly 200 and a driving mechanism 300. When the transmission mechanism 001 is applied to the electric toothbrush, it is used to control the electric toothbrush to achieve telescopic movement, so as to facilitate the user to clean the teeth. The sliding assembly 200 is connected to the driving mechanism 300 through the transmission assembly 100. The driving mechanism 300 is used to drive the transmission assembly 100 to rotate, so that the transmission assembly 100 drives the sliding assembly 200 to move.

[0030] The transmission assembly 100 includes an eccentric wheel 110 and a linkage member 120. The eccentric wheel 110 is a mechanical structure with an eccentric structure, that is, the rotation axis is not at the geometric center. The linkage member 120 is a rod-shaped or sheet-shaped member. The eccentric wheel 110 is connected to the driving mechanism 300, and the driving mechanism 300 controls the rotation of the eccentric wheel 110. The two ends of the linkage member 120 are respectively connected to the eccentric wheel 110 and the sliding assembly 200. The eccentric wheel 110 converts the rotational motion into the linear motion through the linkage member 120, so that the sliding assembly 200 performs the linear motion.

[0031] The sliding assembly 200 includes a sliding rod 210 and a slider 220. The slider 220 is sleeved on the sliding rod 210 and can move on the sliding rod 210. One end of the linkage member 120 is connected to the slider 220 of the sliding assembly 200. The rotation of the eccentric wheel 110 drives the linkage member 120 to swing, so that the linkage member 120 drives the slider 220 to reciprocate along the length direction of the sliding rod 210.

[0032] The transmission mechanism 001 includes a transmission assembly 100, which converts the rotational motion of the driving mechanism 300 into linear motion and transmits it to the slider of the sliding assembly 200. The transmission assembly 100 includes an eccentric wheel 110 and a linkage 120, which can smoothly transmit power, reduce vibration and impact during the transmission process, and help improve the stability of the overall structure. The sliding assembly 200 uses a slide bar 210 and a slider 220 to cooperate. The slider 220 can reciprocate along the length direction of the slide bar 210 on the slide bar 210. The slide bar 210 limits the movement trajectory of the slider 220, which helps to achieve more precise operation, further improves the stability of the operation of the transmission mechanism 001, and allows users to have a better experience using personal electric care products with the transmission mechanism.

[0033] Please refer to Figure 2 as well as Figure 3The eccentric wheel 110 is provided with a fixing hole 111 and an eccentric shaft 112. The position of the eccentric shaft 112 deviates from the position of the rotation center of the eccentric wheel 110 and corresponds to the position of the fixing hole 111 in the radial direction. The eccentric wheel 110 is sleeved on the driving end 310 of the driving mechanism 300 through the fixing hole 111. The fixing hole 111 is fixedly matched with the driving end 310, so that when the driving end 310 rotates, the eccentric wheel 110 follows the driving end 310 to rotate with the fixing hole 111 as the center. Similarly, when the eccentric wheel 110 rotates, the eccentric shaft 112 moves circumferentially. A first connecting hole 121 is provided on the linkage member 120 to connect with the eccentric shaft 112, so that the linkage member 120 can be driven by the eccentric wheel 110 to generate movement. The distance setting between the eccentric shaft 112 and the rotation center fixing hole 111 can determine the offset amount and offset direction of the eccentric wheel 110 on the linkage part 120 during rotation, which can prevent the slider 220 from being pushed too much by the linkage part 120, and can avoid accidental collisions and impacts between components during movement, and avoid collisions or falling off caused by moving beyond the range on the slide rod 210.

[0034] Please refer to it again Figures 2 to 4 , the linkage member 120 is also provided with a second connection hole 122, the slider 220 is provided with a connection shaft 221, the connection shaft 221 is inserted into the second connection hole 122, so that the linkage member 120 is connected to the slider 220, and when the linkage member 120 moves with the eccentric wheel 110, it can push the slider 220 to reciprocate on the slide bar 210. As another practicable manner, the linkage member 120 is provided with a connection shaft 221, the slider 220 is provided with a second connection hole 122, so that the linkage member 120 is connected to the slider 220, the connection shaft 221 is inserted into the second connection hole 122, so that the linkage member 120 is connected to the slider 220, and when the linkage member 120 moves with the eccentric wheel 110, it can also push the slider 220 to reciprocate on the slide bar 210.

[0035] Preferably, the driving end 310 and the connecting shaft 221 are arranged on the same side of the transmission mechanism 001. The driving mechanism 300 is a motor, and the driving end 310 is the rotating driving end of the motor. The driving end 310 is arranged on the side of the rotating motor, and the side is adjacent to the side of the motor facing the sliding assembly 200. The driving end 310 is arranged on the side, and the driving end 310 extends upward, and its extension direction is perpendicular to the moving direction of the slider 220. The connecting shaft 221 is arranged on the slider 220 on the same side of the transmission mechanism 001 as the driving end 310, so that the extension direction of the connecting shaft 221 is also perpendicular to the moving direction of the slider 220.

[0036] The moving direction of the slider 220 is the length extension direction of the transmission mechanism 001. The driving end 310 and the connecting shaft 221 are located on the side of the transmission mechanism 001, and the eccentric wheel 110 and the linkage member 120 are sleeved on the connecting shaft 221 and the driving end 310, so that they can at least partially overlap each other in the width direction perpendicular to the length direction, which can effectively reduce the overall length dimension of the transmission mechanism 001, reduce the overall volume, and thus save the overall space occupation.

[0037] Preferably, the connecting shaft 221 and the driving end 310 are arranged on the same straight line along the length direction, and the fixing hole 111 of the eccentric wheel 110 is at the same position as the driving end 310, and the fixing hole 111 is also arranged on the same straight line as the connecting shaft 221. The linear arrangement of the eccentric wheel 110 does not need to involve complex angle changes during the transmission process, and the distance of the linear movement of the connecting shaft 221 is the distance between the eccentric shaft 112 and the rotation center fixing hole 111, ensuring efficient transmission.

[0038] In order to ensure that the process of the linkage 120 converting the rotational motion into the linear motion is smoother, bearings 130 are provided in the first connection hole 121 and the second connection hole 122, and two bearings 130 are respectively provided on the eccentric shaft 112 and the connecting shaft 221. When the linkage 120, the eccentric shaft 112 and the slider 220 have an angular offset, the eccentric shaft 112 and the connecting shaft 221 rotate in the first connection hole 121 and the second connection hole 122 respectively, and the bearings 130 reduce the friction and improve the rotation efficiency, and convert the rotational motion of the eccentric shaft 112 into the linear motion of the slider 220. The bearings 130 can reduce the friction between the shaft and the connecting hole, and reduce the wear of the mechanical parts in the case of frequent rotation; and the setting of the bearings 130 can make the relative rotation between the shaft and the hole more stable, reduce the vibration between the mechanical parts, and further reduce the generation of noise and vibration.

[0039] Preferably, a snap-in groove 113 is respectively recessed on the outer side of the end of the eccentric shaft 112 and the connecting shaft 221. When the eccentric shaft 112 passes through the first connecting hole 121 and the connecting shaft 221 passes through the second connecting hole, the ends of the eccentric shaft 112 and the connecting shaft 221 with the snap-in groove 113 completely pass through the holes, and the snap-in groove 113 is exposed to the linkage 120 together with the end of the shaft.

[0040] A retaining ring 140 is provided in the engaging groove 113 of the eccentric shaft 112 and the connecting shaft 221 . The maximum size of the retaining ring 140 is larger than the diameter of the first connecting hole 121 and the second connecting hole 122 , so that the retaining ring 140 can abut against the surface of the linkage member 120 .

[0041] The retaining ring 140 is fixed to the surface of the linkage member 120 by being clamped in the clamping groove 113, so that the eccentric shaft 112 and the connecting shaft 221 are blocked by the retaining ring 140 at the shaft hole and cannot fall off from the first connecting hole 121 and the second connecting hole 122, thereby ensuring the stability of the connection between the linkage member 120 and the slider 220 and the eccentric wheel 110.

[0042] As another implementation of the present solution, the eccentric shaft 112 and the connecting shaft 221 can be fixed by means of a clamping screw, wherein screw holes are provided on the top surfaces of the ends of the eccentric shaft 112 and the connecting shaft 221, and the clamping screws are passed through the screw holes. The diameter of the nut of the clamping screw is larger than the diameter of the first connecting hole 121 and the second connecting hole 122, and can directly abut against the shaft hole to prevent the nut from passing through, thereby ensuring the stability of the connection between the linkage 120 and the slider 220 and the eccentric wheel 110.

[0043] Please refer to Figure 4 In order to facilitate the cooperation between the transmission mechanism 001 and the electric toothbrush, the sliding assembly 200 also includes a transmission rod 230, which is used to connect with the brush head 003 of the electric toothbrush, so that the brush head 003 can produce linear reciprocating movement to better clean the user's teeth. The transmission rod 230 is arranged on the end of the slider 220 away from the transmission assembly 100. The transmission rod 230 is connected to the slider 220 through an elastic member 240, so that the transmission rod 230 reciprocates along the same direction as the slider 220. The slider 220 transmits the transmission rod 230 through the elastic member 240. The elastic member 240 can absorb and alleviate the impact and vibration during the transmission process, thereby improving the stability and reliability of the sliding assembly 200.

[0044] The elastic member 240 may be a spring member or an elastic sheet, etc. In the embodiment of the utility model, the elastic member 240 is a spring member.

[0045] Specifically, in order to prevent the elastic member 240 from falling off from the slider 220 and the transmission rod 230 during the movement, a connecting portion 222 is provided on the side where the slider 220 and the elastic member 240 are connected, and the two ends of the elastic member 240 are respectively sleeved on the connecting portion 222 and the transmission rod 230. The connecting portion 222 and the transmission rod 230 are both provided with mounting holes, the connecting portion 222 is provided with a first mounting hole 223, and the transmission rod 230 is provided with a second mounting hole 231, and the second mounting hole 231 is provided at one end of the transmission rod 230 close to the connecting portion 222. A fixing member 260 is provided in the first mounting hole 223 and the second mounting hole 231, and the elastic member 240 is pressed on the connecting portion 222 and the transmission rod 230 by the fixing member 241, so that the elastic member 240 is fixed on the connecting portion and the transmission rod 230, and the slider 220 and the transmission rod 230 are helped to transmit. As another implementation scheme of the present invention, a fixing groove is provided in the connecting portion and the transmission rod 230, and the elastic member 240 is clamped in the fixing groove so that the elastic member 240 is fixed on the connecting portion 222 and the transmission rod 230 to help the slider 220 and the transmission rod 230 to transmit.

[0046] Furthermore, the sliding assembly 200 also includes a fixing seat 250, which is used to fix the sliding rod 210 and the slider 220, so that the sliding assembly 200 is more stable. Two sliding rods 210 are provided and are respectively arranged on both sides of the fixing seat 250, and the ends of the sliding rod 210 are connected to the fixing seat 250, so that the middle part of the sliding rod 210 is suspended on the fixing seat 250; two shaft holes are correspondingly provided on the slider 220, and the sliding rods 210 are respectively penetrated in the shaft holes one by one, so that the two sides of the slider 220 are restricted on the sliding rod 210 to maintain balance and can move along the sliding rod 210. As another embodiment, the sliding rod 210 is arranged in the middle of the fixing seat 250, and the two ends are connected to the fixing seat 250, so that the middle part of the sliding rod 210 is suspended on the fixing seat 250. Correspondingly, a shaft hole is provided in the middle of the slider 220, and the slide bar 210 is inserted into the shaft hole. By inserting the slide bar 210 in the middle of the slider 220, the slider 220 is kept balanced. In addition, in this embodiment, the slide bar 210 is non-cylindrical and the shaft hole is a non-circular hole, so as to prevent the slider 220 from rotating on the slide bar 210 and enable it to move stably on the slide bar 210.

[0047] Preferably, in order to facilitate the movement of the slider 220 on the fixed seat 250, a slide groove is provided on the side of the fixed seat 250 facing the slider 220, and the slide groove penetrates the fixed seat 250 along the length direction of the slide bar 210. In addition, a protrusion is provided on the side of the slider 220 facing the fixed seat 250, and the protrusion is arranged in the slide groove. The slider 220 is arranged on the slide bar 210, so that the protrusion is suspended in the slide groove. The slide groove can guide the protrusion of the slider 220, ensure that the slider 220 moves along the track of the slide bar 210, and ensure that the position of the slider 220 on the fixed seat 250 is stable.

[0048] Please continue to refer to Figure 1 The transmission mechanism 001 further includes a vibrating member 400 for generating high-frequency vibrations. The vibrating member 400 is disposed at one end of the sliding assembly 200 away from the transmission assembly 100, and the vibrating member 400 is sleeved on the transmission rod 230. The vibrating member 400 drives the transmission rod 230 to generate high-frequency vibrations, and the brush head 003 on the transmission rod 230 vibrates accordingly, thereby helping to clean teeth.

[0049] The transmission assembly 100 cooperates with the sliding assembly 200 to enable the transmission rod 230 to move back and forth stably along the front-to-back direction, and then cooperates with the vibration member 400 to make the transmission rod 230 generate high-frequency vibration, thereby realizing the vibration and back-and-forth reciprocating motion of the brush head 3, so that the toothbrush can achieve the effect of automatically cleaning teeth.

[0050] Please refer to Figure 5 as well as Figure 6 The present utility model provides a personal electric care product, including the beneficial effects of the above-mentioned transmission mechanism 001, so it is not repeated here.

[0051] In the embodiment of the utility model, the personal electric care product is an electric toothbrush, which includes a transmission mechanism 001, a housing 002, and a brush head 003. The transmission mechanism 001 is arranged inside the housing 002, and the brush head 003 is arranged outside the housing 002. The transmission mechanism 001 has a connection end extending outside the housing 002, and the brush head 003 is connected to the connection end. The end of the transmission rod 230 in the transmission mechanism 001 passes through the vibration member 400 and extends outside the housing 002 to form a connection end, so the brush head 003 is connected to the end of the transmission rod 230.

[0052] Preferably, a battery 004 is also provided in the housing 002 for supplying power to the transmission mechanism 001. The battery 004 is provided at the end of the housing 002 away from the brush head 003 to facilitate charging and prevent the battery 004 from being affected when the brush head 003 touches water.

[0053] The transmission rod 230 in the electric toothbrush is extended and vibrated by the transmission mechanism 001, so that the brush head 003 extends and vibrates along with the transmission rod 230. The vibration function and the extension function enable the electric toothbrush to automatically clean teeth, which helps the electric toothbrush to clean teeth effectively.

[0054] The above is a specific description of the preferred implementation of the utility model, but the invention of the utility model is not limited to the described embodiments. Technical personnel familiar with the field can also make various equivalent deformations or substitutions without violating the spirit of the utility model. These equivalent deformations or substitutions are all included in the scope defined by the claims of this application.

Claims

1. A transmission mechanism (001) for a personal electric care product, characterized in that: The invention comprises a transmission assembly (100), a sliding assembly (200) and a driving mechanism (300), wherein the sliding assembly (200) is connected to the driving mechanism (300) via the transmission assembly (100); the transmission assembly (100) comprises an eccentric wheel (110) and a linkage member (120), wherein the eccentric wheel (110) is connected to the driving mechanism (300), and two ends of the linkage member (120) are respectively connected to the eccentric wheel (110) and the sliding assembly (200); The sliding assembly (200) comprises a sliding rod (210) and a slider (220), wherein the slider (220) is sleeved on the sliding rod (210), the linkage member (120) is connected to the slider (220), and the driving mechanism (300) can drive the slider (220) to reciprocate along the length direction of the sliding rod (210) through the transmission assembly (100).

2. The transmission mechanism (001) according to claim 1, characterized in that: The eccentric wheel (110) is provided with a fixing hole (111) and an eccentric shaft (112), and the fixing hole (111) is sleeved on the driving end (310) of the driving mechanism (300); the linkage member (120) is provided with a first connecting hole (121) connected to the eccentric shaft (112).

3. The transmission mechanism (001) according to claim 2, characterized in that: The sliding block (220) is provided with a connecting shaft (221), the linkage member (120) is provided with a second connecting hole (122), and the connecting shaft (221) is inserted into the second connecting hole (122).

4. The transmission mechanism (001) according to claim 3, characterized in that: The driving mechanism (300) is a motor, the driving end (310) is arranged on a side of the motor, and the connecting shaft (221) and the driving end (310) are arranged on the same side of the transmission mechanism (001).

5. The transmission mechanism (001) according to claim 3, characterized in that: The first connecting hole (121) and the second connecting hole (122) are both provided with bearings (130), and the eccentric shaft (112) and the connecting shaft (221) are respectively inserted into the corresponding bearings (130).

6. The transmission mechanism (001) according to claim 3, characterized in that: The outer sides of the ends of the eccentric shaft (112) and the connecting shaft (221) are respectively provided with a clamping groove (113); the eccentric shaft (112) passes through the first connecting hole (121), the connecting shaft (221) passes through the second connecting hole (122), and the clamping groove (113) is exposed to the linkage member (120); a retaining ring (140) is provided in the clamping groove (113), and the retaining ring (140) abuts against the surface of the linkage member (120).

7. The transmission mechanism (001) according to any one of claims 1 to 6, characterized in that: The sliding assembly (200) further comprises a transmission rod (230), wherein the transmission rod (230) is arranged at one end of the sliding block (220) away from the transmission assembly (100), and the transmission rod (230) is in transmission connection with the sliding block (220).

8. The transmission mechanism (001) according to claim 7, characterized in that: The transmission rod (230) is transmission-connected to the sliding block (220) via an elastic member (240).

9. The transmission mechanism (001) according to claim 8, characterized in that: A connecting portion (222) is provided on one side of the sliding block (220) where it is connected to the elastic member (240), and two ends of the elastic member (240) are respectively connected to the connecting portion (222) and the transmission rod (230).

10. The transmission mechanism (001) according to claim 9, characterized in that: The connecting portion (222) is provided with a first mounting hole (223), the transmission rod (230) is provided with a second mounting hole (231), and fixing members (260) are inserted into the first mounting hole (223) and the second mounting hole (231), and the two fixing members (260) press two ends of the elastic member (240) onto the connecting portion (222) and the transmission rod (230), respectively.

11. The transmission mechanism (001) according to claim 8, characterized in that: The sliding assembly (200) further comprises a fixed seat (250); the sliding rod (210) is provided on both sides of the fixed seat (250), and shaft holes are provided on both sides of the sliding block (220), and the sliding rod (210) is correspondingly inserted into the shaft holes; or, the sliding rod (210) is provided at the middle position of the fixed seat (250), and the shaft hole is provided in the middle of the sliding block (220), and the sliding rod (210) is inserted into the shaft hole.

12. The transmission mechanism (001) according to claim 8, characterized in that: The transmission mechanism (001) further comprises a vibration member (400), wherein the vibration member (400) is sleeved on the transmission rod (230) and is located at an end of the sliding assembly (200) away from the transmission assembly (100).

13. A personal electric care product, comprising the transmission mechanism according to any one of claims 1 to 12, characterized in that: The personal electric care product is an electric toothbrush, which comprises a shell (002) and a brush head (003); the transmission mechanism (001) is arranged in the shell (002) and has a connecting end extending out of the shell (002); and the brush head (003) is connected to the connecting end.

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