Handheld electric medicine wiping instrument

By designing a handheld electric ointment applicator, which uses a motor-driven sliding component to automate the application of medication, the problem of hand fatigue during manual application of ointments is solved, and the efficiency of drug absorption and the effect of medication are improved. It is suitable for hospital multi-person services.

CN223569849UActive Publication Date: 2025-11-21陈健富
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Patent Information

Application Number
CN202422626557.8
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-10-30
Publication Date
2025-11-21
Estimated Expiration
2034-10-30

AI Technical Summary

Technical Problem

In existing technologies, applying ointments manually requires a rapid, reciprocating rubbing motion, which leads to hand fatigue, making it difficult for the elderly and children to complete, thus affecting the effectiveness of the medication.

Method used

A handheld electric medicine application device was designed, comprising a main base, a motor speed control circuit board, a geared motor, a sliding component, and a friction component. The motor drives the sliding component to move the friction component back and forth on the skin to achieve automated medicine application.

Benefits of technology

It achieves automated drug application, saves manpower, improves drug absorption efficiency, ensures drug efficacy, and is suitable for hospital multi-person services.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model provides a handheld electric medicine wiping instrument which comprises a main seat, a motor speed regulation control circuit board, a speed reduction motor, a first sliding assembly, a speed multiplication sliding assembly and a clamping type friction assembly, the first sliding assembly comprises a sliding female seat, a first gear and a connecting rod, and the speed reduction motor comprises a power output connecting piece. A power connecting end is eccentrically arranged at the bottom of the power output connecting piece, the other end of the connecting rod is hinged to the power connecting end, a fixed speed-multiplying rack is fixedly connected to the inner top wall of the main base, the first gear is connected with the fixed speed-multiplying rack in a meshed mode, and the speed-multiplying sliding assembly comprises a reciprocating sliding tooth piece and an inner and outer connecting piece. A tooth-shaped face is arranged on the top face of the reciprocating sliding tooth piece, a strip-shaped through groove is formed in the bottom wall of the main base in the length direction of the main base, the inner-outer connecting piece is fixedly connected to the bottom of the reciprocating sliding tooth piece, the clamping type friction assembly comprises a friction piece, and the friction piece is installed at the bottom of the inner-outer connecting piece. The medication effect is ensured.
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Description

TECHNICAL FIELD

[0001] The utility model relates to medicine rubbing instrument technical field especially hand -held type electric medicine rubbing instrument. BACKGROUND

[0002] When people apply medicine to themselves or help others to apply medicine, the medicine needs to be applied to the skin of the user, and the palm is reciprocatingly and quickly rubbed on the skin, so that the skin is heated, the pores are expanded, and the medicine is better absorbed, so that the effect of physiotherapy is achieved. Because the palm needs to be reciprocatingly and quickly rubbed, the whole arm will be tired after a long time, the hand will become hard, dull and completely physical output. Especially, the old and the young cannot complete the reciprocating and quick rubbing action of the palm, which affects the effect of medicine. UTILITY MODEL CONTENT

[0003] The utility model wants to solve the problem of providing a hand -held type electric medicine rubbing instrument, which can replace manual rubbing action to save manpower and ensure the effect of medicine.

[0004] To solve the above technical problems, the utility model provides a hand -held type electric medicine rubbing instrument, which comprises a main seat, a motor speed control circuit board, a speed reducer, a first sliding assembly, a speed -up sliding assembly and a clamping friction assembly. The motor speed control circuit board is arranged on one side of the main seat. The speed reducer is installed at one end of the main seat and electrically connected with the motor speed control circuit board. The first sliding assembly comprises a sliding female seat connected in the horizontal direction inside the main seat, a first gear rotatably connected to the sliding female seat, and a connecting rod hingedly connected to one end of the sliding female seat. The speed reducer comprises a power output connecting piece. The bottom of the power output connecting piece is eccentrically provided with a power connecting end. The other end of the connecting rod is hingedly connected to the power connecting end. A fixed speed -up gear is fixedly connected to the inner top wall of the main seat. The first gear is meshingly connected with the fixed speed -up gear. The speed -up sliding assembly comprises a reciprocating sliding gear connected in the horizontal direction inside the main seat and an inner and outer connecting piece. The top surface of the reciprocating sliding gear is provided with a toothed surface meshingly connected with the first gear. A strip-shaped through groove is formed in the length direction of the bottom wall of the main seat. The inner and outer connecting piece is fixedly connected to the bottom of the reciprocating sliding gear and extends out of the main seat from the strip-shaped through groove. The clamping friction assembly comprises a friction piece, which is installed at the bottom of the inner and outer connecting piece.

[0005] Preferably, the first sliding assembly further comprises a plurality of first rubber-coated bearings rotatably connected to the two side surfaces of the sliding female seat, and a first horizontal sliding groove matched with the first rubber-coated bearings is arranged on each of the two inner side walls of the main seat, the first rubber-coated bearings are movably arranged in the first horizontal sliding grooves, a gear mounting groove is arranged through the sliding female seat, a first gear shaft is connected between the two side walls of the gear mounting groove, and the first gear is connected with the first gear shaft through bearings.

[0006] Preferably, the cassette friction assembly further comprises a cassette fixing seat fixedly connected to the bottom of the inner-outer connecting piece, a cassette connecting piece detachably connected to the cassette fixing seat, and a friction piece fixedly connected to the bottom of the cassette connecting piece, wherein a containing groove is arranged on the top of the friction piece, and an elastic body matched with the containing groove is arranged in the containing groove.

[0007] Preferably, the two side walls of the cassette fixing seat are each provided with a clamping edge, the top of the cassette connecting piece is provided with two clamping strips, one end of the two clamping strips is connected with a limiting edge, a clamping groove matched with the clamping edge is arranged on the inner side surface of the clamping strip, the clamping edge is arranged on the clamping groove, the bottom of the cassette fixing seat is provided with a spring piece, a first buckling part is arranged at one end of the bottom of the spring piece, a first inclined surface and a second inclined surface are arranged on the two sides of the first buckling part, respectively, a second buckling part matched with the first buckling part is arranged on the top of the cassette connecting piece, a third inclined surface and a fourth inclined surface are arranged on the two sides of the second buckling part, respectively, and when the inner wall of the limiting edge is in contact with one end of the clamping edge, the first inclined surface abuts against the third inclined surface.

[0008] Preferably, the speed reduction motor further comprises a stator seat fixedly connected to one end of the main seat, a stator arranged on the top of the stator seat, a rotor, a fan blade connected to the top end of the rotor, an internal gear rotatably connected to the bottom of the stator seat through a bearing, a gear fixing seat fixedly connected to the bottom of the stator seat and located inside the internal gear, a plurality of second gears rotatably connected to the gear fixing seat and meshingly connected with the internal gear, the rotor is connected with the stator seat through a bearing, the bottom end of the rotor is connected with the gear fixing seat through a bearing, a gear part meshingly connected with the plurality of second gears is arranged on the rotor, and the power output connecting piece is fixedly connected to the bottom of the internal gear.

[0009] Preferably, the speed reducer motor further comprises a motor cover, an air flow cover, a motor bottom cover, the motor speed control circuit board is fixedly connected to the top of one end of the main base, the motor cover comprises a main body part and an eave part connected to one side of the main body part, the main body part and the eave part are respectively covered on the stator base and the motor speed control circuit board, the top of the main body part is provided with an air inlet corresponding to the fan blade, the air flow cover is assembled on the air inlet, the motor speed control circuit board is provided with a speed regulating potentiometer located at the top of the eave part, the motor bottom cover is assembled at the bottom of the stator base, one end of the main base is assembled with a tail cover plate, the top of the main base is fixedly connected with a main base top cover, the eave part, the main base top cover and the tail cover plate are respectively provided with a first wire outlet hole, a second wire outlet hole and a third wire outlet hole, the motor speed control circuit board is connected with a power line which is led out through the first wire outlet hole, the second wire outlet hole and the third wire outlet hole in sequence, the sidewall of the air flow cover is provided with an air inlet channel, and the sidewall of the motor bottom cover is provided with a plurality of air outlet channels.

[0010] Preferably, the bottom of the main base is fixedly connected with a main base bottom plate.

[0011] Preferably, the bottom of the friction member is provided in a curved surface shape and is provided with grooves on the surface.

[0012] The hand-held electric medicine rubbing instrument has the advantages of compact structure, good operation stability, double medicine rubbing stroke and speed, improved medicine rubbing efficiency, ensured medicine use effect, small size, continuous medicine rubbing service for multiple people in hospitals, and saved manpower. BRIEF DESCRIPTION OF DRAWINGS

[0013] Figure 1 An external structure schematic view of the utility model is exemplified.

[0014] Figure 2 A structure schematic view of the speed reducer motor of the utility model is exemplified.

[0015] Figure 3 A first angle cross-sectional view of the utility model is exemplified.

[0016] Figure 4 A second angle cross-sectional view of the utility model is exemplified.

[0017] Figure 5 The utility model illustrates Figure 4 The partial enlarged structure schematic diagram of A department in the middle.

[0018] Figure 6 The utility model illustrates the structure schematic diagram of first sliding assembly.

[0019] Figure 7 The utility model illustrates the assembly structure schematic diagram of speed sliding assembly and cassette type fixed seat.

[0020] Figure 8 The utility model illustrates the exploded structure schematic diagram of cassette type friction assembly.

[0021] Figure 9 The utility model illustrates the exploded structure schematic diagram.

[0022] Explanation of reference numerals: main seat 1, strip-shaped through slot 10, first horizontal sliding slot 11, second horizontal sliding slot 12, main seat bottom plate 13, motor speed control circuit board 2, speed potentiometer 20, power cord 21, speed reduction motor 3, power output connecting piece 30, power connecting end 300, stator seat 31, stator 32, rotor 33, gear part 330, fan blade 34, internal gear 35, gear fixed seat 36, second gear 37, motor cover 380, main body part 380a, eave part 380b, air inlet 380c, first wire outlet hole 380d, airflow cover 381, motor bottom cover 382, tail cover plate 383, third wire outlet hole 383a, main seat top cover 384, second wire outlet hole 384a, first sliding assembly 4, sliding female seat 40, gear installation slot 400, first gear 41, connecting rod 42, first rubber-coated bearing 43, first gear shaft 44, speed sliding assembly 5, reciprocating sliding tooth piece 50, tooth profile 500, internal and external connecting piece 51, second rubber-coated bearing 52, cassette type friction assembly 6, friction piece 60, containing groove 600, groove 601, cassette type fixed seat 61, clamping position edge 610, spring piece part 611, first buckling part 612, first inclined surface 612a, second inclined surface 612b, cassette type connecting piece 62, clamping strip 620, clamping groove 620a, limiting edge 621, second buckling part 622, third inclined surface 622a, fourth inclined surface 622b, elastic body 63, fixed speed gear rack 7. DETAILED DESCRIPTION

[0023] To make the purpose, technical scheme and advantage of the embodiments of the present disclosure more clear, the technical scheme of the embodiments of the present disclosure will be clearly and completely described below in combination with the drawings of the embodiments of the present disclosure. Obviously, the described embodiments are part of the embodiments of the present disclosure, not all the embodiments.

[0024] All other embodiments obtained by those of ordinary skill in the art based on the described embodiments of the present disclosure without requiring inventive effort, fall within the scope of the present disclosure.

[0025] Reference Figures 1-9 .

[0026] The utility model provides a handheld electric medicine rubbing instrument, contain main seat 1, motor speed regulation control circuit board 2, speed reducer motor 3, first sliding assembly 4, speed multiplier sliding assembly 5, cassette friction assembly 6, motor speed regulation control circuit board 2 sets up in one side of main seat 1, speed reducer motor 3 is installed in one end of main seat 1 and with motor speed regulation control circuit board 2 electric connection, first sliding assembly 4 contains the sliding female seat 40 of sliding connection in the inside of main seat 1 along the horizontal direction, the first gear 41 of rotary connection on the sliding female seat 40, the connecting rod 42 of hinged in one end of sliding female seat 40, speed reducer motor 3 contains power output connecting piece 30, the eccentricity of the bottom of power output connecting piece 30 is provided with power connection end 300, the other end of connecting rod 42 is hinged on power connection end 300, the inner top wall of main seat 1 is fixedly connected with fixed speed multiplier rack 7, the first gear 41 is engagedly connected with fixed speed multiplier rack 7, speed multiplier sliding assembly 5 contains the reciprocating sliding tooth piece 50 of sliding connection in the inside of main seat 1 along the horizontal direction, inside and outside connecting piece 51, the top surface of reciprocating sliding tooth piece 50 is provided with the tooth surface 500 of engagement connection with first gear 41, the bottom wall of main seat 1 is provided with strip-shaped through slot 10 along its length direction, inside and outside connecting piece 51 is fixedly connected in reciprocating sliding tooth piece 50 bottom and from strip-shaped through slot 10 stretches out main seat 1 outside, cassette friction assembly 6 contains friction piece 60, and friction piece 60 is installed in the bottom of inside and outside connecting piece 51.

[0027] Its working principle is that: when using, first medicine paste is rubbed on the skin of the affected area, and the bottom of friction piece 60 is pasted on the skin of the affected area, speed reducer motor 3 will work under the control of motor speed regulation control circuit board 2, when speed reducer motor 3 works, connecting rod 42 will be driven by power output connecting piece 30 to reciprocate forward and backward, thereby driving sliding female seat 40 to reciprocate horizontally in main seat 1, since the first gear 41 is engaged with the fixed speed multiplier rack 7, the forward and backward reciprocation of the sliding female seat 40 will cause the reciprocating switching of the first gear 41 to rotate forward and reverse, since the first gear 41 is engaged with the tooth surface 500, it will drive the reciprocating sliding tooth piece 50 to reciprocate horizontally in the main seat 1, thereby driving the friction piece 60 to rub back and forth on the skin of the affected area, so that the medicine is better absorbed by the skin. Its compact structure, good operation stability, double rubbing distance and rubbing speed, can improve the rubbing efficiency, ensure the use effect of medicine, has the advantages of small size, when used in hospital, can continuously serve many people, saves manpower.

[0028] Based on the above embodiment, the first sliding assembly 4 further comprises a plurality of first rubber-coated bearings 43 rotatably connected to the two side surfaces of the sliding female seat 40, and the opposite two inner side walls of the main seat 1 are each provided with a first horizontal sliding groove 11 matched with the first rubber-coated bearings 43, the first rubber-coated bearings 43 are movably arranged on the first horizontal sliding grooves 11, the sliding female seat 40 is provided with a gear mounting groove 400 penetrating therethrough, the two side walls of the gear mounting groove 400 are connected with a first gear shaft 44, and the first gear 41 and the first gear shaft 44 are connected through a bearing; the multiple-speed sliding assembly 5 further comprises a plurality of second rubber-coated bearings 52 rotatably connected to the two side surfaces of the reciprocating sliding tooth piece 50, and the opposite two inner side walls of the main seat 1 are each provided with a second horizontal sliding groove 12 matched with the second rubber-coated bearings 52, and the second rubber-coated bearings 52 are movably arranged on the second horizontal sliding grooves 12. Specifically, when the sliding female seat 40 moves along the main seat 1 under the pushing and pulling force of the connecting rod 42, the first rubber-coated bearings 43 will move along the first horizontal sliding grooves 11, and the first gear 41 will rotate in the gear mounting groove 400. When the reciprocating sliding tooth piece 50 moves along the main seat 1, the second rubber-coated bearings 52 will move along the second horizontal sliding grooves 12, which can improve the movement stability of the sliding female seat 40 and the reciprocating sliding tooth piece 50, and has the advantage of low noise.

[0029] Based on the above embodiment, the cassette friction assembly 6 further comprises a cassette fixing seat 61 fixedly connected to the bottom of the inner-outer connecting piece 51, a cassette connecting piece 62 detachably connected to the cassette fixing seat 61, and the friction piece 60 is fixedly connected to the bottom of the cassette connecting piece 62. The cassette connecting piece 62 and the friction piece 60 can be disassembled, which facilitates cleaning of the friction piece 60 or replacement of the new cassette connecting piece 62 and friction piece 60 to provide medicine rubbing service for different patients. The top of the friction piece 60 is provided with a containing groove 600, and the containing groove 600 is provided with an elastic body 63 matched with the containing groove 600, so that the friction piece 60 has elasticity when rubbing medicine, improving the comfort of medicine rubbing and avoiding pain in the affected area when rubbing medicine.

[0030] Based on the above embodiment, the two side walls of the card type fixing seat 61 are provided with clamping edges 610, the top of the card type connecting piece 62 is provided with clamping strips 620, the two clamping strips 620 are connected by a limiting edge 621 at one end, the inner side of the clamping strip 620 is provided with a clamping groove 620a matched with the clamping edge 610, the clamping edge 610 is arranged on the clamping groove 620a, the bottom of the card type fixing seat 61 is provided with a spring piece 611, the bottom of one end of the spring piece 611 is provided with a first buckling part 612, the two sides of the first buckling part 612 are respectively provided with a first inclined surface 612a and a second inclined surface 612b, the top of the card type connecting piece 62 is provided with a second buckling part 622 matched with the first buckling part 612, the two sides of the second buckling part 622 are respectively provided with a third inclined surface 622a and a fourth inclined surface 622b, when the inner wall of the limiting edge 621 contacts one end of the clamping edge 610, the first inclined surface 612a abuts on the third inclined surface 622a. Specifically, when the card type connecting piece 62 needs to be assembled on the card type fixing seat 61, the card type connecting piece 62 is horizontally pushed to make the two clamping grooves 620a enter the two clamping strips 620, when the fourth inclined surface 622b abuts on the second inclined surface 612b, the fourth inclined surface 622b will move along the second inclined surface 612b and cause the spring piece 611 to be raised, when the inner wall of the limiting edge 621 contacts one end of the clamping edge 610, the spring piece 611 will recover, the first inclined surface 612a will abut on the third inclined surface 622a, the buckling of the first buckling part 612 and the second buckling part 622 is realized, and the card type connecting piece 62 is prevented from being separated from the card type fixing seat 61; when the card type connecting piece 62 needs to be detached from the card type fixing seat 61, the card type connecting piece 62 is horizontally pushed to move to the opposite side of the limiting edge 621, the third inclined surface 622a will move along the first inclined surface 612a and cause the spring piece 611 to be raised, so that the first buckling part 612 and the second buckling part 622 are separated, the card type connecting piece 62 is pushed to move outward, the clamping groove 620a is separated from the clamping edge 610, and thus the card type connecting piece 62 is detached from the card type fixing seat 61.

[0031] Based on the above embodiment, the reduction motor 3 further comprises a stator base 31 fixedly connected to one end of the main base 1, a stator 32 arranged on the top of the stator base 31, a rotor 33, a fan blade 34 connected to the top end of the rotor 33, an internal gear 35 rotatably connected to the bottom of the stator base 31 through a bearing, a gear fixing base 36 fixedly connected to the bottom of the stator base 31 and located inside the internal gear 35, a plurality of second gears 37 rotatably connected to the gear fixing base 36 and meshingly connected with the internal gear 35, the rotor 33 is connected with the stator base 31 through a bearing, the bottom end of the rotor 33 is connected with the gear fixing base 36 through a bearing, the rotor 33 is provided with a gear part 330 meshingly connected with the plurality of second gears 37, and the power output connecting piece 30 is fixedly connected to the bottom of the internal gear 35. Specifically, when the reduction motor 3 works, the rotor 33 rotates, the rotating fan blade 34 can generate airflow to dissipate heat inside the motor, the rotor 33 rotates to drive the second gears 37 to rotate, the second gears 37 drive the internal gear 35 and the power output connecting piece 30 to rotate synchronously, thereby driving the connecting rod 42 to reciprocate forward and backward.

[0032] Based on the above embodiment, the reduction motor 3 further comprises a motor cover 380, an airflow cover 381, and a motor bottom cover 382. The motor speed control circuit board 2 is fixedly connected to the top of one end of the main base 1. The motor cover 380 comprises a main body part 380a and an eave part 380b connected to one side of the main body part 380a. The main body part 380a and the eave part 380b cover the stator base 31 and the motor speed control circuit board 2 respectively. The top of the main body part 380a is provided with an air inlet 380c corresponding to the fan blade 34. The airflow cover 381 is assembled on the air inlet 380c. The motor speed control circuit board 2 is provided with a speed regulating potentiometer 20 located on the top of the eave part 380b. The motor bottom cover 382 is assembled on the bottom of the stator base 31. One end of the main base 1 is assembled with a tail cover plate 383. The top of the main base 1 is fixedly connected with a main base top cover 384. The eave part 380b, the main base top cover 384, and the tail cover plate 383 are respectively provided with a first wire outlet hole 380d, a second wire outlet hole 384a, and a third wire outlet hole 383a. The motor speed control circuit board 2 is connected with a power line 21 which is led out through the first wire outlet hole 380d, the second wire outlet hole 384a, and the third wire outlet hole 383a in sequence. The side wall of the airflow cover 381 is provided with an air inlet channel 381a. The side wall of the motor bottom cover 382 is provided with a plurality of air outlet channels 382a. When the fan blade 34 rotates, external air can enter the inside of the airflow cover 381 through the air inlet channel 381a. The air enters the inside of the motor through the air inlet 380c to take away heat and is discharged through the air outlet channels 382a, thereby dissipating heat inside the motor. The motor body and the motor speed control circuit board 2 are located on the sides of the main body part 380a and the eave part 380b respectively, which makes the assembly more simple and convenient, and can reduce the size of the rubbing instrument and make the appearance more beautiful.

[0033] Based on the above embodiment, the bottom of the main seat 1 is fixedly connected with the main seat bottom plate 13, which can form a certain shielding to the strip-shaped through groove 10, reduce the foreign matter entering the inside of the main seat 1 through the strip-shaped through groove 10, and improve the instrument appearance.

[0034] Based on the above embodiment, the bottom of the friction member 60 is provided in a curved surface shape and is distributed with grooves 601 on the surface, which can increase the friction force of the bottom of the friction member 60, a small amount of medicinal plaster can be accommodated in the grooves 601, the medicinal plaster can be scraped back and forth on the skin of the affected part to ensure uniform application of the medicinal plaster and improve the drug effect.

[0035] The above implementation manners only describe the preferred implementation manners of the present application, and do not limit the scope of the present application, and various deformations and improvements of the technical scheme of the present application made by the ordinary engineering technicians in the art without departing from the design spirit of the present application shall fall within the protection scope determined by the claims of the present application.

Claims

1. A handheld electric medicated sprayer, characterized in that, The device includes a main seat, a motor speed control circuit board, a geared motor, a first sliding assembly, a speed-multiplying sliding assembly, and a cartridge friction assembly. The motor speed control circuit board is located on one side of the main seat. The geared motor is mounted on one end of the main seat and electrically connected to the motor speed control circuit board. The first sliding assembly includes a sliding female seat slidably connected horizontally inside the main seat, a first gear rotatably connected to the sliding female seat, and a connecting rod hinged to one end of the sliding female seat. The geared motor includes a power output connector with an eccentrically positioned power connection end at its bottom. The other end of the connecting rod is hinged to the main seat. On the power connection end, a fixed speed-multiplying rack is fixedly connected to the inner top wall of the main seat. The first gear meshes with the fixed speed-multiplying rack. The speed-multiplying sliding assembly includes a reciprocating sliding gear and an inner and outer connecting member that are slidably connected in the horizontal direction inside the main seat. The top surface of the reciprocating sliding gear is provided with a tooth profile that meshes with the first gear. A strip-shaped through groove is opened on the bottom wall of the main seat along its length direction. The inner and outer connecting member is fixedly connected to the bottom of the reciprocating sliding gear and extends out of the main seat from the strip-shaped through groove. The clip-type friction assembly includes a friction element, which is installed at the bottom of the inner and outer connecting member.

2. The handheld electric medicated sprayer according to claim 1, characterized in that, The first sliding assembly further includes several first rubber-coated bearings rotatably connected to both sides of the sliding female seat. Each of the two opposite inner sidewalls of the main seat is provided with a first horizontal sliding groove matching the first rubber-coated bearing. The first rubber-coated bearing is movably disposed on the first horizontal sliding groove. A gear mounting groove is provided through the sliding female seat. A first gear shaft is connected between the two sidewalls of the gear mounting groove. The first gear and the first gear shaft are connected by bearings. The speed-multiplying sliding assembly further includes several second rubber-coated bearings rotatably connected to both sides of the reciprocating sliding gear. Each of the two opposite inner sidewalls of the main seat is provided with a second horizontal sliding groove matching the second rubber-coated bearing. The second rubber-coated bearing is movably disposed on the second horizontal sliding groove.

3. The handheld electric medicated sprayer according to claim 2, characterized in that, The cartridge friction assembly further includes a cartridge fixing seat fixedly connected to the bottom of the inner and outer connecting parts, and a cartridge connector detachably connected to the cartridge fixing seat. The friction element is fixedly connected to the bottom of the cartridge connector, and a receiving groove is provided on the top of the friction element. An elastic body matching the receiving groove is provided in the receiving groove.

4. A handheld electric medicated sprayer according to claim 3, characterized in that, The card-type fixing base has locking edges on both side walls, and the card-type connector has locking strips on both sides of its top. A limiting edge connects one end of each locking strip. The inner side of each locking strip has a locking groove that fits with the locking edge. The locking edge is located in the locking groove. The bottom of the card-type fixing base has a spring piece. One end of the spring piece has a first fastening part. The two sides of the first fastening part have a first inclined surface and a second inclined surface, respectively. The top of the card-type connector has a second fastening part that fits with the first fastening part. The two sides of the second fastening part have a third inclined surface and a fourth inclined surface, respectively. When the inner wall of the limiting edge contacts one end of the locking edge, the first inclined surface abuts against the third inclined surface.

5. A handheld electric medicated sprayer according to claim 1 or 4, characterized in that, The geared motor further includes a stator base fixedly connected to one end of the main seat, a stator disposed on the top of the stator base, a rotor, a fan blade connected to the top of the rotor, an internal gear rotatably connected to the bottom of the stator base via bearings, a gear fixing seat fixedly connected to the bottom of the stator base and located inside the internal gear, and a plurality of second gears rotatably connected to the gear fixing seat and meshing with the internal gear. The rotor and the stator base are connected via bearings, and the bottom end of the rotor is connected to the gear fixing seat via bearings. The rotor is provided with a gear portion that meshes with the plurality of second gears, and the power output connector is fixedly connected to the bottom of the internal gear.

6. A handheld electric medicated sprayer according to claim 5, characterized in that, The geared motor also includes a motor cover, an airflow cover, and a motor bottom cover. The motor speed control circuit board is fixedly connected to the top of one end of the main seat. The motor cover includes a main body and an eave connected to one side of the main body. The main body and the eave cover are respectively encased on the stator base and the motor speed control circuit board. The top of the main body is provided with an air inlet corresponding to the fan blade. The airflow cover is assembled on the air inlet. The motor speed control circuit board is provided with a speed control potentiometer located on the top of the eave. The motor bottom cover is assembled on the bottom of the stator base. A tail cover is assembled at one end of the main seat. A main seat top cover is fixedly connected to the top of the main seat. The eave, the main seat top cover, and the tail cover are respectively provided with a first wire outlet hole, a second wire outlet hole, and a third wire outlet hole. The motor speed control circuit board is connected with a power line that is led out sequentially through the first wire outlet hole, the second wire outlet hole, and the third wire outlet hole. An air inlet is provided on the side wall of the airflow cover, and several air outlets are provided on the side wall of the motor bottom cover.

7. A handheld electric medicated sprayer according to claim 6, characterized in that, The bottom of the main seat is fixedly connected to the main seat base plate.

8. A handheld electric medicated sprayer according to claim 1, characterized in that, The bottom of the friction element is curved and the surface is covered with grooves.