Disposable electric skin preparation device

Abstract

The utility model relates to a disposable electric skin preparation device, which solves the problem that the existing electric skin preparation device cannot meet the requirement of disposable use and quick replacement of a cutter head, and comprises a shell, a cutter head and a cutter head driving mechanism, the cutter head comprises a cutter head shell, a blade supporting plate, a blade driving plate and a blade, and the cutter head driving mechanism comprises a motor and an eccentric wheel. The motor drives the blade driving plate and the blade to move back and forth in the direction perpendicular to the blade teeth, the electric skin preparation device further comprises a locking piece used for locking the tool bit shell and the outer shell, and during disassembly, when the locking piece is opened and the tool bit outer shell is pulled out, a push plate on the tool bit outer shell pushes a clamping table on the blade driving plate to enable the blade driving plate to be separated from the eccentric wheel shaft. When the disposable tool bit is installed, the eccentric wheel shaft is connected with the oblong hole in the blade driving plate of a new tool bit in an inserted mode, the tool bit shell and the outer shell are locked through the locking piece, and therefore the tool bit is disposable, rapid to replace and convenient to use, all parts making contact with hair are replaced, and use is sanitary and safe.

Description

Technical Field

[0001] This utility model relates to medical supplies, specifically to a disposable electric skin preparation device. Background Technology

[0002] Current medical electric skin-shaving devices require shaving of the genital area. Generally, after a single use, they must be quickly disassembled, cleaned, and disinfected before being used on the next patient. Clinically, this method involves a long replacement time and cannot be used immediately in emergencies, making it inconvenient. Utility Model Content

[0003] The purpose of this invention is to solve the problem that existing electric leather trimmers cannot meet the requirement of quick blade replacement for single use.

[0004] The technical solution adopted to solve the technical problem proposed by this utility model is as follows: The disposable electric hair trimmer of this utility model includes a shell, a hair-cutting blade head disposed on the shell, and a blade head driving mechanism. The blade head includes a blade head housing, a blade support plate, a blade driving plate, and a blade. The cutting ends of the blade support plate, the blade driving plate, and the blade are all toothed. The blade support plate is fixed on the blade head bracket, the blade is located on the blade support plate, and the blade driving plate is located on the blade. The blade head driving mechanism includes a motor and an eccentric wheel fixedly connected to the motor spindle. The eccentric wheel is provided with an eccentric wheel shaft. The blade driving plate is provided with a longitudinal elongated hole that cooperates with the eccentric wheel shaft. The motor drives the blade driving plate and the blade to move back and forth along the direction perpendicular to the blade teeth. The electric hair trimmer also includes a locking member for locking the blade head housing and the shell. The blade head housing is provided with a pusher that pushes the blade driving plate to separate from the eccentric wheel shaft along the axial direction of the eccentric wheel shaft. The blade driving plate is provided with a locking plate that cooperates with the pusher plate.

[0005] The technical solutions that further define this utility model include:

[0006] The locking mechanism includes a button on the outer casing and a spring for resetting the button. The bottom of the button has a hook, and the cutter head housing has a groove that engages with the hook. The hook and groove are axially engaged along the eccentric wheel shaft. When the button is pressed, the hook disengages from the groove. When the button is released, the spring drives the button to reset, causing the hook to engage with the groove.

[0007] The cutter head housing is provided with a guide post, and the outer shell is provided with a guide groove that cooperates with the guide post.

[0008] The pusher is a push plate, which is fixedly connected to the outer shell by a first screw.

[0009] The push plate is provided with a threaded post, and the blade support plate is fixedly connected to the push plate by a second screw.

[0010] The blade support plate is provided with a guide rail perpendicular to the direction of the blade teeth, and the blade drive plate is provided with a guide groove that cooperates with the guide rail.

[0011] The blade drive board has a blade slot at the bottom, the blade is located in the blade slot, the blade slot has a blade positioning post, and the blade has a blade positioning hole that cooperates with the blade positioning post.

[0012] The outer shell is provided with a circular first positioning sleeve, and the cutter head housing is provided with a second positioning sleeve that is fitted with the first positioning sleeve.

[0013] The casing contains a power supply battery.

[0014] The beneficial effects of this utility model through the above technical solution are as follows: The disposable electric hair removal tool of this utility model has a blade head housing and an outer shell that are detachably connected by a locking device. When disassembling, the locking device is opened and the blade head housing is pulled out. At the same time, the push plate on the blade head housing pushes the locking plate on the blade drive plate to separate the blade drive plate from the eccentric wheel shaft, thereby separating the blade head from the outer shell. When installing the disposable blade head, the oblong hole on the blade drive plate of the new blade head is inserted into the eccentric wheel shaft, and the locking device locks the blade head housing and the outer shell. Thus, the blade head can be used for one-time purposes and is quick to replace. It is convenient to use, and all parts that come into contact with hair can be replaced, making it hygienic and safe to use. Attached Figure Description

[0015] Figure 1 This is a three-dimensional structural diagram of a disposable electric leather shaving device according to the present invention.

[0016] Figure 2 This is a three-dimensional structural diagram of a disposable electric leather shaving device according to the present invention.

[0017] Figure 3 This is a cross-sectional structural diagram of a disposable electric leather trimmer according to the present invention.

[0018] Figure 4 for Figure 3 A magnified structural diagram of point A in the middle.

[0019] Figure 5 This is an exploded structural diagram of a disposable electric leather spare tire according to the present invention. Detailed Implementation

[0020] The structure of this utility model will be further described below with reference to the accompanying drawings.

[0021] Reference Figures 1 to 5A disposable electric hair clipper includes a housing 1, a hair-cutting head 2 mounted on the housing, and a head drive mechanism 3. The head 2 includes a head housing 21, a blade support plate 22, a blade drive plate 23, and a blade 24. The cutting ends of the blade support plate, the blade drive plate, and the blade are all toothed. The blade support plate is fixed to the head bracket, the blade is located on the blade support plate, and the blade drive plate is located on the blade. In this embodiment, the bottom of the blade drive plate 23 is provided with a blade slot 231, the blade is located in the blade slot, and a blade positioning post 232 is provided in the blade slot. The blade 24 is provided with a blade positioning hole 241 that mates with the blade positioning post. When the blade is installed, the blade positioning hole is fitted onto the blade positioning post, and the blade is positioned in the blade slot. When the blade drive plate moves left and right, it drives the blade to move back and forth on the blade support plate along the direction perpendicular to the blade teeth. The blade drive mechanism 3 includes a motor 31 and an eccentric wheel 32 fixedly connected to the motor spindle. The eccentric wheel has an eccentric wheel shaft 321, and the blade drive plate 23 has a longitudinal elongated hole 231 that mates with the eccentric wheel shaft. The motor drives the blade drive plate and the blade to move back and forth along the direction perpendicular to the blade teeth. When the motor spindle rotates, causing the eccentric wheel to rotate, the eccentric wheel shaft drives the blade drive plate to move back and forth along the direction perpendicular to the blade teeth. In this embodiment, the blade support plate 22 has a guide rail 221 perpendicular to the blade teeth, and the blade drive plate 23 has a guide groove 233 that mates with the guide rail. This makes the transmission more stable. The electric blade trimmer also includes a locking member 4 for locking the blade head housing to the outer casing. The blade head housing has a pusher 25 that pushes the blade drive plate axially away from the eccentric wheel shaft. The blade drive plate 23 has a locking platform 234 that mates with the pusher. In this embodiment, the locking component 4 includes a button 41 on the outer shell and a spring 42 for driving the button to reset. The bottom of the button 41 is provided with a hook 411, and the cutter head housing 21 is provided with a groove 211 that cooperates with the hook. The hook and the groove are engaged along the eccentric wheel shaft. When the button is pressed, the hook disengages from the groove. When the button is released, the spring drives the button to reset so that the hook engages with the groove.

[0022] In this embodiment, the cutter head housing 21 is provided with a guide post 212, and the outer shell 1 is provided with a guide groove 11 that mates with the guide post. When the cutter head housing and the outer shell are installed, the guide post is inserted into the guide groove, which allows the cutter head housing and the outer shell to be quickly positioned. In this embodiment, the outer shell 1 is provided with a circular first positioning sleeve 12, and the cutter head housing 21 is provided with a second positioning sleeve 213 that fits into the first positioning sleeve. The guide post is located on the second positioning sleeve, and the guide groove is located on the outer shell. When the first positioning sleeve and the second positioning sleeve are fitted together, the guide post is inserted into the guide groove, which allows the cutter head housing and the outer shell to be quickly positioned.

[0023] In this embodiment, the pusher 25 is a push plate, which is fixedly connected to the outer casing by a first screw. The push plate has a threaded post 251, and the blade support plate is fixedly connected to the push plate by a second screw. During installation, the push plate is first fixedly connected to the outer casing by the first screw, the blade is installed into the blade slot on the blade drive plate, then the guide rail on the blade support plate is inserted into the guide groove on the blade drive plate, the elongated hole on the blade drive plate is inserted into the eccentric wheel shaft, and finally the blade support plate is fixedly connected to the push plate by the second screw. The overall structure is simple and easy to install. When the blade head needs to be disassembled, press the button, the hook disengages from the slot, and the blade head housing is pulled out. At the same time, the push plate on the blade head housing pushes the locking plate on the blade drive plate to separate the blade drive plate from the eccentric wheel shaft, thereby separating the blade head from the housing. When installing a disposable blade head, insert the oblong hole on the blade drive plate of the new blade head into the eccentric wheel shaft, release the button, and the spring drives the button to reset, causing the hook to engage with the slot, locking the blade head housing and the housing. Thus, the blade head can be used once and replaced quickly and conveniently. All parts that come into contact with hair can be replaced, making it hygienic and safe to use.

[0024] In this embodiment, a power supply battery 5 is provided inside the outer casing. The power supply battery can be either a dry cell battery or a rechargeable battery, thus facilitating portable use.

[0025] Although specific embodiments of the present invention have been described in detail with reference to the accompanying drawings, this should not be construed as limiting the scope of protection of the present invention. Various modifications and variations that can be made by those skilled in the art without inventive effort within the scope described in the claims still fall within the scope of protection of the present invention.

Claims

1. A disposable electric hair trimmer, the hair trimmer comprising a housing, a hair-cutting blade disposed on the housing, and a blade driving mechanism, characterized in that: The cutting head includes a cutting head housing, a blade support plate, a blade drive plate, and a blade. The cutting ends of the blade support plate, the blade drive plate, and the blade are all toothed. The blade support plate is fixed on the cutting head bracket, the blade is located on the blade support plate, and the blade drive plate is located on the blade. The cutting head drive mechanism includes a motor and an eccentric wheel fixedly connected to the motor spindle. The eccentric wheel has an eccentric wheel shaft. The blade drive plate has a longitudinal elongated hole that mates with the eccentric wheel shaft. The motor drives the blade drive plate and the blade to move back and forth along the direction perpendicular to the cutting teeth. The electric blade holder also includes a locking member for locking the cutting head housing and the outer shell. The cutting head housing has a pusher that pushes the blade drive plate to separate from the eccentric wheel shaft along the axial direction of the eccentric wheel shaft. The blade drive plate has a locking plate that mates with the pusher.

2. The disposable electric leather spare tire as described in claim 1, characterized in that: The locking mechanism includes a button on the outer casing and a spring for resetting the button. The bottom of the button has a hook, and the cutter head housing has a groove that engages with the hook. The hook and groove are axially engaged along the eccentric wheel shaft. When the button is pressed, the hook disengages from the groove. When the button is released, the spring drives the button to reset, causing the hook to engage with the groove.

3. The disposable electric leather trimmer as described in claim 1, characterized in that: The cutter head housing is provided with a guide post, and the outer shell is provided with a guide groove that cooperates with the guide post.

4. The disposable electric leather trimmer as described in claim 1, characterized in that: The pusher is a push plate, which is fixedly connected to the outer shell by a first screw.

5. A disposable electric leather trimmer as described in claim 4, characterized in that: The push plate is provided with a threaded post, and the blade support plate is fixedly connected to the push plate by a second screw.

6. A disposable electric leather trimmer as described in claim 1, characterized in that: The blade support plate is provided with a guide rail perpendicular to the direction of the blade teeth, and the blade drive plate is provided with a guide groove that cooperates with the guide rail.

7. A disposable electric leather spare tire as described in claim 1, characterized in that: The blade drive board has a blade slot at the bottom, the blade is located in the blade slot, the blade slot has a blade positioning post, and the blade has a blade positioning hole that cooperates with the blade positioning post.

8. A disposable electric leather trimmer as described in claim 1, characterized in that: The outer shell is provided with a circular first positioning sleeve, and the cutter head housing is provided with a second positioning sleeve that is fitted with the first positioning sleeve.

9. A disposable electric leather trimmer as described in claim 1, characterized in that: The casing contains a power supply battery.

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