Handheld electric medicine wiping instrument

Abstract

The invention provides a handheld electric medicine wiping instrument which comprises a main base, 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 base, 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.

Description

Technical Field

[0001] The invention relates to the technical field of medicine erasing instruments, in particular to a handheld electric medicine erasing instrument. Background Art

[0002] When people apply ointment to themselves or help others, they need to apply the ointment on the user's skin and rub the skin back and forth quickly with their palms to make the skin warm and the pores expand, so that the medicine can be better absorbed to achieve the effect of physical therapy. Since the palms need to perform reciprocating and rapid rubbing movements, the whole arm will become tired after a while, and the hands will become stiff and dull, which is completely physical output. In particular, the elderly and children are unable to complete the reciprocating and rapid rubbing movements of the palms, which affects the effect of the medication. Summary of the invention

[0003] The problem to be solved by the present invention is to provide a handheld electric medicine rubbing instrument, which can replace manual work to complete the medicine rubbing action, save manpower and ensure the effect of medicine use.

[0004] To solve the above technical problems, a handheld electric medicine wiper provided by the present invention includes a main seat, a motor speed control circuit board, a reduction motor, a first sliding component, a double-speed sliding component, and a card friction component. The motor speed control circuit board is arranged on one side of the main seat, and the reduction motor is installed at one end of the main seat and is electrically connected to the motor speed control circuit board. The first sliding component includes a sliding mother seat horizontally connected to the inside of the main seat, a first gear rotatably connected to the sliding mother seat, and a connecting rod hinged at one end of the sliding mother seat. The reduction motor includes a power output connecting piece, and the bottom of the power output connecting piece is eccentrically arranged There is a power connection end, and the other end of the connecting rod is hinged on the power connection end. A fixed speed rack is fixedly connected to the inner top wall of the main seat, and the first gear is meshed with the fixed speed rack. The speed sliding assembly includes a reciprocating sliding tooth part and an inner and outer connecting part that are slidably connected to the inside of the main seat in a horizontal direction. A tooth-shaped surface meshed with the first gear is arranged on the top surface of the reciprocating sliding tooth part. A strip-shaped through groove is opened on the bottom wall of the main seat along its length direction. The inner and outer connecting parts are fixedly connected to the bottom of the reciprocating sliding tooth part and extend from the strip-shaped through groove to the outside of the main seat. The card-type friction assembly includes a friction part, and the friction part is installed at the bottom of the inner and outer connecting parts.

[0005] Preferably, the first sliding component also includes a plurality of first rubber-coated bearings rotatably connected to the two side surfaces of the sliding mother seat, and the first horizontal sliding grooves matching the first rubber-coated bearings are arranged on the two opposite inner walls of the main seat, and the first rubber-coated bearing is movably arranged on the first horizontal sliding groove, and a gear mounting groove is penetrated through the sliding mother seat, and a first gear shaft is connected between the two side walls of the gear mounting groove, and the first gear and the first gear shaft are connected through a bearing; the double-speed sliding component also includes a plurality of second rubber-coated bearings rotatably connected to the two side surfaces of the reciprocating sliding gear parts, and the second horizontal sliding grooves matching the second rubber-coated bearings are arranged on the two opposite inner walls of the main seat, and the second rubber-coated bearing is movably arranged on the second horizontal sliding groove.

[0006] Preferably, the card-type friction assembly also includes a card-type fixing seat fixedly connected to the bottom of the inner and outer connecting parts, a card-type connecting part detachably connected to the card-type fixing seat, the friction part is fixedly connected to the bottom of the card-type connecting part, and a receiving groove is arranged on the top of the friction part, and an elastomer matching the receiving groove is arranged in the receiving groove.

[0007] Preferably, both side walls of the card-type fixing seat are provided with locking edges, both sides of the top of the card-type connecting piece are provided with locking strips, one ends of the two locking strips are connected to the limited edge, the inner side surface of the locking strip is provided with a locking groove that matches the gap of the locking edge, the locking edge is provided on the locking groove, the bottom of the card-type fixing seat is provided with a spring piece part, the bottom of one end of the spring piece part is provided with a first buckling part, the two sides of the first buckling part are respectively provided with a first inclined surface and a second inclined surface, the top of the card-type connecting piece is provided with a second buckling part that matches the first buckling part, the two sides of the second buckling part are respectively provided with a third inclined surface and a fourth inclined surface, when the inner wall of the limiting edge contacts one end of the card-type edge, the first inclined surface abuts against the third inclined surface.

[0008] Preferably, the reduction motor also includes a stator seat fixedly connected to one end of the main seat, a stator arranged at the top of the stator seat, a rotor, a fan blade connected to the top 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 meshing with the internal gear, the rotor is connected to the stator seat through a bearing, the bottom end of the rotor is connected to the gear fixing seat through a bearing, a gear portion meshing with a plurality of second gears is provided on the rotor, and a power output connecting piece is fixedly connected to the bottom of the internal gear.

[0009] Preferably, the reduction motor further 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 eaves connected to one side of the main body. The main body and the eaves are respectively covered on the stator seat and the motor speed control circuit board. An air inlet corresponding to the fan blade is provided on the top of the main body. The airflow 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 eaves. The motor bottom cover is assembled on the bottom of the stator seat. A tail cover is assembled at one end of the main seat. The top of the main seat is fixedly connected to the main seat top cover. The eaves, 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 power lines that are led out through the first wire outlet hole, the second wire outlet hole, and the third wire outlet hole in sequence. An air inlet is provided on the side wall of the airflow cover, and a plurality of air outlets are provided on the side wall of the motor bottom cover.

[0010] Preferably, the bottom of the main seat is fixedly connected to a main seat bottom plate.

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

[0012] The beneficial effects of the present invention are as follows: the present invention provides a handheld electric medicine rubbing instrument. When in use, the ointment is first applied to the skin of the affected area, and the bottom of the friction member is attached to the skin of the affected area. The reduction motor will work under the control of the motor speed control circuit board. When the reduction motor is working, the connecting rod will reciprocate back and forth under the drive of the power output connecting member, thereby driving the sliding base to reciprocate horizontally in the main seat. Since the first gear is meshed with the fixed speed rack, the reciprocating motion of the sliding base will cause the first gear to reciprocate between forward and reverse rotation. Since the first gear is meshed with the tooth profile, it will drive the reciprocating sliding gear member to reciprocate horizontally in the main seat, thereby driving the friction member to rub back and forth on the skin of the affected area, so that the medicine can be better absorbed by the skin. It has a compact structure, good operation stability, double medicine rubbing stroke and medicine rubbing speed, can improve medicine rubbing efficiency, ensure the effect of medicine use, has the advantage of small size, can continuously serve multiple people for medicine rubbing when used in the hospital, and saves manpower. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] Figure 1 The schematic diagram of the external structure of the present invention is illustrated.

[0014] Figure 2 The structural schematic diagram of the reduction motor of the present invention is illustrated.

[0015] Figure 3 A cross-sectional view at a first angle is shown to illustrate the present invention.

[0016] Figure 4 A cross-sectional view at a second angle is shown to illustrate the present invention.

[0017] Figure 5 Illustrate the present invention Figure 4 Schematic diagram of the partially enlarged structure of part A in the middle.

[0018] Figure 6 The structural schematic diagram of the first sliding component of the present invention is illustrated.

[0019] Figure 7 The schematic diagram of the assembly structure of the speed-double sliding assembly and the card-type fixing seat of the present invention is illustrated.

[0020] Figure 8 The schematic diagram of the exploded structure of the card-type friction assembly of the present invention is illustrated.

[0021] Fig. 9 A schematic diagram of the exploded structure of the present invention is illustrated.

[0022] Description of the accompanying drawings: main seat 1, strip through groove 10, first horizontal slide groove 11, second horizontal slide groove 12, main seat bottom plate 13, motor speed control circuit board 2, speed potentiometer 20, power cord 21, reduction motor 3, power output connector 30, power connection end 300, stator seat 31, stator 32, rotor 33, gear part 330, fan blade 34, internal gear 35, gear fixing seat 36, second gear 37, motor cover 380, main body 380a, eaves 380b, air inlet 380c, first outlet hole 380d, air flow cover 381, motor bottom cover 382, ​​tail cover 383, third outlet hole 383a, main seat top cover 384, second outlet hole 384a, first slide Dynamic component 4, sliding mother seat 40, gear mounting groove 400, first gear 41, connecting rod 42, first rubber-coated bearing 43, first gear shaft 44, double-speed sliding component 5, reciprocating sliding gear 50, tooth surface 500, inner and outer connecting parts 51, second rubber-coated bearing 52, card-type friction component 6, friction part 60, accommodating groove 600, groove 601, card-type fixing seat 61, card-type edge 610, spring piece part 611, first buckling part 612, first inclined surface 612a, second inclined surface 612b, card-type connecting part 62, card strip 620, card slot 620a, limiting edge 621, second buckling part 622, third inclined surface 622a, fourth inclined surface 622b, elastic body 63, fixed double-speed rack 7. DETAILED DESCRIPTION

[0023] To make the purpose, technical solution and advantages of the embodiments of the present disclosure clearer, the technical solution of the embodiments of the present disclosure will be clearly and completely described below in conjunction 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 of the embodiments.

[0024] Based on the described embodiments of the present disclosure, all other embodiments obtained by those of ordinary skill in the art without creative work are within the scope of protection of the present disclosure.

[0025] refer to Figure 1-9 .

[0026] The present invention provides a handheld electric medicine erasing instrument, comprising a main seat 1, a motor speed control circuit board 2, a reduction motor 3, a first sliding component 4, a multiple speed sliding component 5, and a card friction component 6. The motor speed control circuit board 2 is arranged on one side of the main seat 1, and the reduction motor 3 is installed at one end of the main seat 1 and is electrically connected to the motor speed control circuit board 2. The first sliding component 4 comprises a sliding mother seat 40 slidably connected to the inside of the main seat 1 in a horizontal direction, a first gear 41 rotatably connected to the sliding mother seat 40, and a connecting rod 42 hinged at one end of the sliding mother seat 40. The reduction motor 3 comprises a power output connecting piece 30, and a power connecting end 300 is eccentrically arranged at the bottom of the power output connecting piece 30. The connecting rod 42 The other end is hinged on the power connection end 300, and a fixed speed rack 7 is fixedly connected to the inner top wall of the main seat 1. The first gear 41 is meshed with the fixed speed rack 7. The speed sliding assembly 5 includes a reciprocating sliding tooth part 50 and an inner and outer connecting part 51 which are slidably connected to the inside of the main seat 1 in a horizontal direction. A tooth surface 500 meshing with the first gear 41 is provided on the top surface of the reciprocating sliding tooth part 50. A strip through groove 10 is opened on the bottom wall of the main seat 1 along its length direction. The inner and outer connecting parts 51 are fixedly connected to the bottom of the reciprocating sliding tooth part 50 and extend from the strip through groove 10 to the outside of the main seat 1. The card-type friction assembly 6 includes a friction part 60, and the friction part 60 is installed at the bottom of the inner and outer connecting parts 51.

[0027] Its working principle is as follows: when in use, first apply the ointment on the skin of the affected part, and let the bottom of the friction member 60 stick to the skin of the affected part, the reduction motor 3 will work under the control of the motor speed control circuit board 2, when the reduction motor 3 is working, the connecting rod 42 will reciprocate back and forth under the drive of the power output connection member 30, thereby driving the sliding base 40 to reciprocate horizontally in the main seat 1, because the first gear 41 is meshed with the fixed speed rack 7, the reciprocating motion of the sliding base 40 will cause the first gear 41 to reciprocate between forward and reverse rotation, because the first gear 41 is meshed with the tooth profile 500, it will drive the reciprocating sliding gear member 50 to reciprocate horizontally in the main seat 1, thereby driving the friction member 60 to rub back and forth on the skin of the affected part, so that the medicine can be better absorbed by the skin. It has a compact structure, good operation stability, double medicine application stroke and speed, can improve the efficiency of medicine application, ensure the effect of medicine use, has the advantage of small size, can continuously apply medicine for multiple people when used in the hospital, saving manpower.

[0028] Based on the above embodiment, the first sliding component 4 also includes a plurality of first rubber-coated bearings 43 rotatably connected to the two side surfaces of the sliding mother seat 40, and the first horizontal slide grooves 11 matching the first rubber-coated bearings 43 are arranged on the two opposite inner walls of the main seat 1, and the first rubber-coated bearing 43 is movably arranged on the first horizontal slide groove 11, and a gear mounting groove 400 is penetrated through the sliding mother seat 40, and a first gear shaft 44 is connected between the two side walls of the gear mounting groove 400, and the first gear 41 and the first gear shaft 44 are connected through bearings; the double-speed sliding component 5 also includes a plurality of second rubber-coated bearings 52 rotatably connected to the two side surfaces of the reciprocating sliding gear 50, and the second horizontal slide grooves 12 matching the second rubber-coated bearings 52 are arranged on the two opposite inner walls of the main seat 1, and the second rubber-coated bearing 52 is movably arranged on the second horizontal slide groove 12. Specifically, when the sliding mother seat 40 moves along the main seat 1 under the push-pull force of the connecting rod 42, the first rubber-coated bearing 43 will move along the first horizontal slide groove 11, and the first gear 41 will rotate in the gear mounting groove 400. When the reciprocating sliding gear 50 moves along the main seat 1, the second rubber-coated bearing 52 will move along the second horizontal slide groove 12, which can improve the movement stability of the sliding mother seat 40 and the reciprocating sliding gear 50, and has the advantage of low noise.

[0029] Based on the above embodiment, the card-type friction assembly 6 also includes a card-type fixing seat 61 fixedly connected to the bottom of the inner and outer connecting members 51, a card-type connector 62 detachably connected to the card-type fixing seat 61, and a friction member 60 fixedly connected to the bottom of the card-type connector 62. The card-type connector 62 and the friction member 60 can be disassembled and assembled, so that the friction member 60 can be cleaned or replaced with a new card-type connector 62 and friction member 60 to provide medicine application services for different patients. A receiving groove 600 is provided at the top of the friction member 60, and an elastic body 63 matching the receiving groove 600 is provided in the receiving groove 600, so that the friction member 60 has elasticity when applying medicine, improves the comfort of applying medicine, and avoids hurting the affected area when applying medicine.

[0030] Based on the above embodiment, the two side walls of the card fixing seat 61 are provided with a clamping edge 610, the top two sides of the card connector 62 are provided with a clamping strip 620, one end of the two clamping strips 620 is connected to the limited edge 621, the inner side of the clamping strip 620 is provided with a clamping groove 620a that matches the clearance of the clamping edge 610, the clamping edge 610 is provided on the clamping groove 620a, and the bottom of the card fixing seat 61 is provided with a spring piece portion 611, and the bottom of one end of the spring piece portion 611 is provided There is a first buckling portion 612, and the first bevel 612a and the second bevel 612b are respectively arranged on both sides of the first buckling portion 612. The top of the card-type connector 62 is provided with a second buckling portion 622 that cooperates with the first buckling portion 612, and the second buckling portion 622 is respectively provided with a third bevel 622a and a fourth bevel 622b on both sides. When the inner wall of the limiting edge 621 contacts one end of the locking edge 610, the first bevel 612a abuts against the third bevel 622a. Specifically, when the card connector 62 needs to be assembled to the card fixing seat 61, the card connector 62 is pushed horizontally to assemble the two side slots 620a into the two side clip strips 620. When the fourth inclined surface 622b abuts against the second inclined surface 612b, the fourth inclined surface 622b will move along the second inclined surface 612b and cause the spring piece portion 611 to tilt up. When the inner wall of the limiting edge 621 contacts one end of the locking edge 610, the spring piece portion 611 will recover, and the first inclined surface 612a will abut against the third inclined surface 622a, thereby realizing the first buckling portion 612 and the second buckling. The buckling of the part 622 prevents the card connector 62 from being separated from the card fixing seat 61; when the card connector 62 needs to be removed from the card fixing seat 61, the card connector 62 is pushed horizontally to the side opposite to the limiting edge 621, and the third inclined surface 622a moves along the first inclined surface 612a and causes the spring piece part 611 to tilt, so that the first buckling part 612 and the second buckling part 622 can be disengaged, and the card connector 62 is pushed to move outward to separate the card slot 620a from the locking edge 610, thereby removing the card connector 62 from the card fixing seat 61.

[0031] Based on the above embodiment, the reduction motor 3 also includes a stator seat 31 fixedly connected to one end of the main seat 1, a stator 32 arranged at the top of the stator seat 31, a rotor 33, a fan blade 34 connected to the top of the rotor 33, an internal gear 35 rotatably connected to the bottom of the stator seat 31 through a bearing, a gear fixing seat 36 fixedly connected to the bottom of the stator seat 31 and located inside the internal gear 35, and a plurality of second gears 37 rotatably connected to the gear fixing seat 36 and meshing with the internal gear 35. The rotor 33 is connected to the stator seat 31 through a bearing, and the bottom end of the rotor 33 is connected to the gear fixing seat 36 through a bearing. A gear portion 330 meshing with a plurality of second gears 37 is provided on the rotor 33, and the power output connecting member 30 is fixedly connected to the bottom of the internal gear 35. Specifically, when the reduction motor 3 is working, the rotor 33 rotates, and the rotating fan blades 34 can generate airflow to dissipate heat inside the motor. When the rotor 33 rotates, it will drive the second gear 37 to rotate, and the second gear 37 will drive the internal gear 35 and the power output connector 30 to rotate synchronously, thereby driving the connecting rod 42 to reciprocate back and forth.

[0032] Based on the above embodiment, the reduction motor 3 further includes 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 seat 1. The motor cover 380 includes a main body 380a and an eaves 380b connected to one side of the main body 380a. The main body 380a and the eaves 380b are respectively covered on the stator seat 31 and the motor speed control circuit board 2. The top of the main body 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 potentiometer 20 located at the top of the eaves 380b. The motor bottom cover 382 is assembled at the bottom of the stator seat 31, a tail cover 383 is assembled at one end of the main seat 1, a main seat top cover 384 is fixedly connected to the top of the main seat 1, a first wire outlet hole 380d, a second wire outlet hole 384a, and a third wire outlet hole 383a are respectively provided on the eaves 380b, the main seat top cover 384, and the tail cover 383, a power line 21 led out through the first wire outlet hole 380d, the second wire outlet hole 384a, and the third wire outlet hole 383a in sequence is connected to the motor speed control circuit board 2, an air inlet 381a is provided on the side wall of the airflow cover 381, and a plurality of air outlets 382a are provided on the side wall of the motor bottom cover 382. When the fan blades 34 rotate, external air can enter the air flow cover 381 through the air inlet 381a, and the air enters the motor through the air inlet 380c, taking away the heat and being discharged through the air outlet 382a, so as to dissipate the heat inside the motor. The motor body and the motor speed control circuit board 2 are respectively located on the main body 380a and the eaves 380b side, which makes assembly easier, reduces the size of the ointment applicator, and makes the appearance beautiful.

[0033] Based on the above embodiment, the bottom of the main seat 1 is fixedly connected with a main seat bottom plate 13, which can form a certain shielding for the strip through slot 10, reduce the entry of foreign objects into the main seat 1 through the strip through slot 10, and improve the appearance of the instrument.

[0034] Based on the above embodiment, the bottom of the friction member 60 is curved and has grooves 601 on the surface, which can increase the friction at the bottom of the friction member 60. A small amount of ointment can be accommodated in the groove 601, and the ointment can be scraped back and forth onto the affected skin to ensure uniform application of the ointment and improve the effect of the medication.

[0035] The above implementation modes are merely descriptions of the preferred implementation modes of the present invention, and are not intended to limit the scope of the present invention. Without departing from the design spirit of the present invention, various modifications and improvements made to the technical solutions of the present invention by ordinary engineering and technical personnel in the field shall fall within the protection scope determined by the claims of the present invention.

Claims

1. A handheld electric wiper, characterized in that: The invention comprises a main seat, a motor speed control circuit board, a reduction motor, a first sliding component, a multi-speed sliding component, and a card friction component. The motor speed control circuit board is arranged on one side of the main seat. The reduction motor is installed at one end of the main seat and is electrically connected to the motor speed control circuit board. The first sliding component comprises a sliding mother seat slidingly connected to the inside of the main seat in a horizontal direction, a first gear rotatably connected to the sliding mother seat, and a connecting rod hinged at one end of the sliding mother seat. The 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 at the On the power connection end, a fixed speed rack is fixedly connected to the inner top wall of the main seat, and the first gear is meshingly connected to the fixed speed rack. The speed sliding assembly includes a reciprocating sliding tooth part and an inner and outer connecting part that are slidably connected to the inside of the main seat in a horizontal direction. A tooth-shaped surface meshingly connected to the first gear is arranged on the top surface of the reciprocating sliding tooth part. A strip-shaped through groove is opened on the bottom wall of the main seat along its length direction. The inner and outer connecting parts are fixedly connected to the bottom of the reciprocating sliding tooth part and extend from the strip-shaped through groove to the outside of the main seat. The card-type friction assembly includes a friction part, and the friction part is installed at the bottom of the inner and outer connecting parts.

2. A handheld electric wiper according to claim 1, characterized in that: The first sliding component also includes a plurality of first rubber-coated bearings rotatably connected to the two side surfaces of the sliding mother seat, and the first horizontal sliding grooves matching the first rubber-coated bearings are arranged on the two opposite inner side walls of the main seat, and the first rubber-coated bearing is movably arranged on the first horizontal sliding groove, and a gear mounting groove is penetrated through the sliding mother seat, and a first gear shaft is connected between the two side walls of the gear mounting groove, and the first gear and the first gear shaft are connected through a bearing; the double-speed sliding component also includes a plurality of second rubber-coated bearings rotatably connected to the two side surfaces of the reciprocating sliding gear, and the second horizontal sliding grooves matching the second rubber-coated bearings are arranged on the two opposite inner side walls of the main seat, and the second rubber-coated bearing is movably arranged on the second horizontal sliding groove.

3. A handheld electric wiper according to claim 2, characterized in that: The card-type friction assembly also includes a card-type fixing seat fixedly connected to the bottom of the inner and outer connecting parts, and a card-type connecting part detachably connected to the card-type fixing seat. The friction part is fixedly connected to the bottom of the card-type connecting part. A receiving groove is arranged on the top of the friction part, and an elastomer matching the receiving groove is arranged in the receiving groove.

4. A handheld electric wiper according to claim 3, characterized in that: The two side walls of the card-type fixing seat are provided with a locking edge, and the top two sides of the card-type connecting piece are provided with a locking strip, one end of the two locking strips is connected with a limited edge, the inner side surface of the locking strip is provided with a locking groove that matches the gap of the locking edge, the card-type edge is arranged on the locking groove, the bottom of the card-type fixing seat is provided with a spring piece part, the bottom of one end of the spring piece part is provided with a first buckling part, the two sides of the first buckling part are respectively provided with a first inclined surface and a second inclined surface, the top of the card-type connecting piece is provided with a second buckling part that matches the first buckling part, and the two sides of the second buckling part are respectively provided with a third inclined surface and a fourth inclined surface, when the inner wall of the limiting edge contacts one end of the card-type edge, the first inclined surface abuts against the third inclined surface.

5. A handheld electric wiper according to claim 1 or 4, characterized in that: The reduction motor also includes a stator seat fixedly connected to one end of the main seat, a stator arranged at the top of the stator seat, a rotor, a fan blade connected to the top 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, and a plurality of second gears rotatably connected to the gear fixing seat and meshing with the internal gear. The rotor is connected to the stator seat through a bearing, and the bottom end of the rotor is connected to the gear fixing seat through a bearing. A gear portion meshing with a plurality of the second gears is provided on the rotor, and the power output connecting piece is fixedly connected to the bottom of the internal gear.

6. A handheld electric wiper according to claim 5, characterized in that: The reduction motor further comprises 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 comprises a main body and an eaves connected to one side of the main body. The main body and the eaves are respectively covered on the stator seat and the motor speed control circuit board. An air inlet corresponding to the fan blade is arranged on the top of the main body. The airflow cover is assembled on the air inlet. A speed regulating potentiometer located at the top of the eaves is arranged on the motor speed control circuit board. The motor bottom cover is assembled on the bottom of the stator seat. A tail cover is assembled on one end of the main seat. A main seat top cover is fixedly connected to the top of the main seat. A first wire outlet hole, a second wire outlet hole, and a third wire outlet hole are respectively arranged on the eaves, the main seat top cover, and the tail cover. The motor speed control circuit board is connected with power lines led out through the first wire outlet hole, the second wire outlet hole, and the third wire outlet hole in sequence. An air inlet is arranged on the side wall of the airflow cover, and a plurality of air outlets are arranged on the side wall of the motor bottom cover.

7. A handheld electric wiper according to claim 6, characterized in that: The bottom of the main seat is fixedly connected with a main seat bottom plate.

8. A handheld electric wiper according to claim 1, characterized in that: The bottom of the friction piece is arranged in a curved surface shape and grooves are distributed on the surface.

Images