Knife sharpener with timing and power supply display functions
By setting the timing function of the display screen and buzzer on the sharpener, the problem of too long sharpening time is solved, the power display and timing prompts are realized, and the efficiency and safety of the sharpener are improved.
Patent Information
- Application Number
- CN202422433780.0
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-10-09
- Publication Date
- 2025-08-05
- Estimated Expiration
- 2034-10-09
AI Technical Summary
The lack of timing function of existing sharpeners, which can easily lead to excessive wear, overheating, damage to the edges and reduce efficiency.
A sharpener with timing and power display functions is designed. By setting the display screen to display the working state and power margin on the sharpener, the buzzer prompts the end of the timing, and realizes the timing function through the electrical connection between the control circuit board and the button, combining the desktop fixing clip assembly and the charging interface for easy fixing and charging.
It effectively avoids the tool grinding time too long, improves the sharpening efficiency, ensures that the tool is not worn excessively, and facilitates battery power monitoring, improving the practicality of use.
Smart Images

Figure CN223186176U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of knife sharpeners, in particular to a knife sharpener with timing and power display functions. Background Art
[0002] A knife sharpener is a tool used to sharpen, condition, and maintain the sharpness of knives. It helps users easily restore a dull blade to a sharp state, thereby improving cutting efficiency and safety. Knife sharpeners come in many forms, including manual whetstones, electric sharpeners, and some specially designed handheld sharpening devices.
[0003] Based on the above, the inventors have found the following problems: existing knife sharpeners generally lack a timing function, and long sharpening times can easily lead to excessive wear, overheating, edge damage, and reduced efficiency, making them inconvenient to use.
[0004] Therefore, in view of this, the existing structure and defects are studied and improved, and a knife sharpener with timing and power display functions is provided to achieve the purpose of having more practical value. Utility Model Content
[0005] The purpose of the present invention is to provide a knife sharpener with timing and power display functions to solve the problems raised in the above background technology.
[0006] A knife sharpener with timing and power display functions includes a knife sharpener assembly, which includes a casing, an operating casing at one end of the casing, and a desktop fixing clamp assembly at the other end of the casing, a grinding assembly, a battery and a buzzer fixedly installed inside the casing, the grinding assembly includes two grinding wheels and a grinding motor, two grinding grooves are opened at the top of the casing facing one end of the operating casing, and a display screen is provided at the other end of the top of the casing, the battery and the buzzer are arranged at the bottom of the display screen, and the grinding assembly is arranged at the bottom of the grinding groove, the grinding wheel is arranged on one side inside the grinding groove, a control circuit board is fixedly installed inside the operating casing, a control button is provided at the top of the operating casing, and the control circuit board is electrically connected to the control button, the battery, the grinding motor, the buzzer and the display screen.
[0007] By adopting the above technical solution, a desktop fixing clamp assembly is provided at the other end of the casing, which facilitates the desktop fixing clamp assembly to fix the device to the edge of the desktop, making it convenient to use the device to sharpen the tool. The display screen is set to facilitate the display of the working status of the device and the remaining battery power. The battery and the buzzer are set to facilitate the battery to provide power for the operation of the device. The buzzer can emit a sound message when the timing ends to prompt the end of the timing. The grinding wheel is set on one side of the grinding groove, which facilitates the sliding of the cutting edge of the tool inside the grinding groove, so that the rotation of the grinding wheel grinds the cutting edge of the tool. The control circuit board is electrically connected to the control button, the battery, the grinding motor, the buzzer and the display screen, so that the battery can provide power for the operation of the device. Pressing the control button allows the control circuit board to control the operation of the device and can set the timing. The time information is displayed on the display screen. When the timing stops, the buzzer emits a sound reminder, effectively avoiding the tool grinding time being too long.
[0008] Furthermore, a charging port is provided on the top of the housing away from the operating housing, and a mounting groove is provided on the bottom of the housing away from the operating housing.
[0009] By adopting the above technical solution and setting the charging interface, it is convenient to use an external charging device to connect to the charging interface to charge the battery.
[0010] Furthermore, a threaded hole is provided inside the mounting groove, and a fixed suction cup is fixedly installed on the bottom of the housing.
[0011] By adopting the above technical solution, a threaded hole is opened inside the mounting slot, and a fixed suction cup is fixedly installed on the bottom of the housing, which facilitates the fixed installation of the desktop fixing clamp assembly in the mounting slot. When the device is no longer needed to be fixed to the edge of the desktop, the desktop fixing clamp assembly can be removed, and the fixed suction cup can stably adsorb and fix the device on the top of the desktop, making it convenient for grinding knives. Furthermore, a worm is fixedly installed at the output end of the grinding motor, and the worm is meshed with a worm gear.
[0012] By adopting the above technical solution, the worm is meshed with the worm wheel, so that the grinding motor can drive the worm wheel to rotate. Furthermore, a transmission shaft is inserted into the middle of the worm wheel, the transmission shaft is rotatably connected to the housing, and the first bevel gears are fixedly installed at both ends of the transmission shaft.
[0013] By adopting the above technical solution, the transmission shaft is rotatably connected to the casing, and first bevel gears are fixedly installed at both ends of the transmission shaft, so that the rotation of the worm gear allows the transmission shaft to drive the two first bevel gears to rotate.
[0014] Furthermore, the first bevel gear is meshedly connected with the second bevel gear, a drive shaft is fixedly mounted on one side of the second bevel gear, and the drive shaft is rotatably connected to the housing.
[0015] By adopting the above technical solution, a drive shaft is fixedly installed on one side of the second bevel gear, and the drive shaft is rotatably connected to the housing, so that the first bevel gear rotates to enable the second bevel gear to drive the drive shaft to rotate.
[0016] Furthermore, a sliding sleeve is provided on the outer side of one end of the driving shaft, the sliding sleeve is arranged in the middle of the grinding wheel, and the sliding sleeve is fixedly connected to the grinding wheel.
[0017] By adopting the above technical solution, the sliding sleeve is arranged in the middle of the grinding wheel, and the sliding sleeve is fixedly connected to the grinding wheel, so that the grinding wheel can slide at one end of the driving shaft.
[0018] Furthermore, a limiting slide block is provided inside the sliding sleeve, and a limiting slide groove is provided at one end of the driving shaft away from the second bevel gear, and the limiting slide groove is slidably connected to the limiting slide block.
[0019] By adopting the above technical solution, a limiting groove is opened at one end of the driving shaft away from the second bevel gear, and the limiting groove is slidably connected to the limiting slider, so that the rotation of the driving shaft drives the grinding wheel to rotate, thereby facilitating the rotation of the grinding wheel to grind the cutting edge of the tool.
[0020] Furthermore, a spring seat is fixedly installed in the middle of the driving shaft, a push spring is fixedly installed on one side of the spring seat, and one end of the push spring is fixedly connected to the sliding sleeve.
[0021] By adopting the above technical solution, a push spring is fixedly installed on one side of the spring seat, and one end of the push spring is fixedly connected to the sliding sleeve, so that the push spring provides elastic force to push the grinding wheel outward, making it convenient for the grinding wheel to grind the tool edge, and effectively avoiding excessive contact pressure between the tool edge and the grinding wheel, resulting in over-grinding.
[0022] Furthermore, the desktop fixing clamp assembly includes a C-type clamp, a bolt hole is opened on one side of the C-type clamp, a fixing nut is fixedly installed on the top of the C-type clamp, a threaded rod is threadedly connected to the middle of the fixing nut, a fixing knob is fixedly installed on the top of the threaded rod, and a fixing clamp block is fixedly installed on the bottom of the threaded rod.
[0023] By adopting the above technical solution, a fixing knob is fixedly installed on the top of the threaded rod, and a fixing clamp is fixedly installed on the bottom of the threaded rod, so that the fixing knob can be turned to drive the fixing clamp to move up and down, so that the fixing clamp and the C-clamp clamp the edge of the desktop, thereby fixing the device on the edge of the desktop, making it convenient to grind the tool edge.
[0024] Compared with the prior art, the beneficial effects of the present invention are as follows: a desktop fixing clamp assembly is provided at the other end of the housing, so that the desktop fixing clamp assembly can be used to fix the device to the edge of the desktop, making it convenient to use the device to sharpen the tool; the display screen is provided to facilitate the display of the working status of the device and the remaining battery power; the battery and the buzzer are provided to facilitate the battery to provide power for the device; the buzzer can emit a sound message at the end of the timing to prompt the end of the timing; the grinding wheel is provided on one side of the inner side of the sharpening groove, so that the cutting edge of the tool can be slid inside the sharpening groove to make the tool sharpen. The rotation of the grinding wheel grinds the cutting edge of the tool. The control circuit board is electrically connected to the control button, battery, grinding motor, buzzer and display screen, so that the battery provides power for the device to work. Pressing the control button allows the control circuit board to control the operation of the device, and the timing can be set. The time information is displayed on the display screen. When the timing stops, the buzzer sounds a sound reminder, which effectively avoids the tool grinding time being too long. The utility model can time the tool grinding time and display the remaining power of the device, which can effectively avoid problems caused by the knife sharpening time process and has high practical value. BRIEF DESCRIPTION OF THE DRAWINGS
[0025] Figure 1 This is a schematic diagram of the three-dimensional structure of a knife sharpener with timing and power display functions according to the present invention;
[0026] Figure 2 This is an exploded view of a knife sharpener with timing and power display functions according to the present invention;
[0027] Figure 3 This is a schematic diagram of the three-dimensional structure of the grinding assembly of the utility model;
[0028] Figure 4 This is a schematic diagram of the three-dimensional structure of the grinding wheel of the utility model;
[0029] Figure 5 This is an exploded view of the desktop fixing clamp assembly of the present invention.
[0030] In the figure: 101, knife sharpener assembly; 10101, housing; 10102, operating housing; 10103, control button; 10104, knife sharpening slot; 10105, display screen; 10106, mounting slot; 10107, threaded hole; 10108, fixing suction cup; 10109, charging port; 102, desktop fixing clamp assembly; 10201, C-type clamp; 10202, bolt hole; 10203, fixing nut; 10204, threaded rod; 10205, Fixed knob; 10206, fixed clamp; 103, grinding assembly; 10301, grinding wheel; 10302, grinding motor; 10303, worm; 10304, worm wheel; 10305, transmission shaft; 10306, first bevel gear; 10307, second bevel gear; 10308, sliding sleeve; 10309, limiting slider; 10310, driving shaft; 10311, limiting slide; 10312, spring seat; 10313, push spring. DETAILED DESCRIPTION
[0031] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the embodiments described are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative efforts are within the scope of protection of the present invention.
[0032] See also Figure 1-Figure 5The present invention provides a technical solution: a knife sharpener with timing and power display functions, including a knife sharpener assembly 101, the knife sharpener assembly 101 includes a housing 10101, an operating housing 10102 is provided at one end of the housing 10101, and a desktop fixing clamp assembly 102 is provided at the other end of the housing 10101. The desktop fixing clamp assembly 102 is provided at the other end of the housing 10101, so that the desktop fixing clamp assembly 102 can be used to fix the device to the edge of the desktop, making it convenient to use the device to sharpen the knife. A grinding assembly is fixedly installed inside the housing 10101. Component 103, battery and buzzer, the grinding component 103 includes two grinding wheels 10301 and a grinding motor 10302, the top of the housing 10101 facing the operating housing 10102 is provided with two grinding grooves 10104, and the other end of the top of the housing 10101 is provided with a display screen 10105. The display screen 10105 is provided to facilitate the display of the working status of the device and the remaining battery power. The battery and buzzer are provided at the bottom of the display screen 10105. The battery and buzzer are provided to facilitate the battery to provide power for the operation of the device. The buzzer When the timing ends, a sound message can be issued to prompt that the timing is over, and the grinding component 103 is arranged at the bottom of the grinding groove 10104, and the grinding wheel 10301 is arranged on one side of the grinding groove 10104. By setting the grinding wheel 10301 on one side of the grinding groove 10104, it is convenient to slide the cutting edge of the tool inside the grinding groove 10104, so that the rotation of the grinding wheel 10301 grinds the cutting edge of the tool. A control circuit board is fixedly installed inside the operating shell 10102, and a control button 10103 is provided on the top of the operating shell 10102. The circuit board is electrically connected to the control button 10103, the battery, the grinding motor 10302, the buzzer and the display screen 10105. The control circuit board is electrically connected to the control button 10103, the battery, the grinding motor 10302, the buzzer and the display screen 10105, so that the battery can provide power for the operation of the device. Pressing the control button 10103 enables the control circuit board to control the operation of the device and can set the timing. The time information is displayed on the display screen 10105. When the timing stops, the buzzer sounds a reminder, which effectively avoids the tool grinding time being too long.
[0033] Among them, a charging interface 10109 is provided at the top of the casing 10101 away from the operating shell 10102, and an installation groove 10106 is provided at the bottom of the casing 10101 away from the operating shell 10102. The setting of the charging interface 10109 makes it convenient to use an external charging device to connect to the charging interface 10109 to charge the battery.
[0034] Among them, a threaded hole 10107 is opened inside the installation slot 10106, and a fixed suction cup 10108 is fixedly installed on the bottom of the casing 10101. The threaded hole 10107 is opened inside the installation slot 10106, and a fixed suction cup 10108 is fixedly installed on the bottom of the casing 10101, so that the desktop fixing clamp assembly 102 can be fixedly installed in the installation slot 10106. When the device does not need to be fixed on the edge of the desktop, the desktop fixing clamp assembly 102 can be disassembled, and the fixed suction cup 10108 can stably adsorb and fix the device on the top of the desktop, which is convenient for grinding the knife.
[0035] Among them, a worm 10303 is fixedly installed at the output end of the grinding motor 10302, and the worm 10303 is meshedly connected with the worm wheel 10304. The meshing connection of the worm 10303 with the worm wheel 10304 facilitates the operation of the grinding motor 10302 to drive the worm 10303 to drive the worm wheel 10304 to rotate.
[0036] Among them, a transmission shaft 10305 is inserted into the middle of the worm gear 10304, the transmission shaft 10305 is rotationally connected to the housing 10101, and first bevel gears 10306 are fixedly installed at both ends of the transmission shaft 10305. The transmission shaft 10305 is rotationally connected to the housing 10101, and first bevel gears 10306 are fixedly installed at both ends of the transmission shaft 10305, so that the rotation of the worm gear 10304 makes the transmission shaft 10305 drive the two first bevel gears 10306 to rotate.
[0037] Among them, the first bevel gear 10306 is meshedly connected with the second bevel gear 10307, and a drive shaft 10310 is fixedly installed on one side of the second bevel gear 10307. The drive shaft 10310 is rotatably connected to the housing 10101. The drive shaft 10310 is fixedly installed on one side of the second bevel gear 10307, and the drive shaft 10310 is rotatably connected to the housing 10101, so that the first bevel gear 10306 rotates and the second bevel gear 10307 drives the drive shaft 10310 to rotate.
[0038] Among them, a sliding sleeve 10308 is provided on the outer side of one end of the driving shaft 10310, the sliding sleeve 10308 is arranged in the middle of the grinding wheel 10301, and the sliding sleeve 10308 is fixedly connected to the grinding wheel 10301. The sliding sleeve 10308 is arranged in the middle of the grinding wheel 10301, and the sliding sleeve 10308 is fixedly connected to the grinding wheel 10301, so that the grinding wheel 10301 can slide at one end of the driving shaft 10310.
[0039] Among them, a limiting slider 10309 is provided inside the sliding sleeve 10308, and a limiting groove 10311 is provided at the end of the driving shaft 10310 away from the second bevel gear 10307, and the limiting groove 10311 is slidingly connected to the limiting slider 10309. The limiting groove 10311 is provided at the end of the driving shaft 10310 away from the second bevel gear 10307, and the limiting groove 10311 is slidingly connected to the limiting slider 10309, so that the rotation of the driving shaft 10310 drives the grinding wheel 10301 to rotate, thereby facilitating the rotation of the grinding wheel 10301 to grind the cutting edge of the tool.
[0040] Among them, a spring seat 10312 is fixedly installed in the middle of the driving shaft 10310, and a push spring 10313 is fixedly installed on one side of the spring seat 10312, and one end of the push spring 10313 is fixedly connected to the sliding sleeve 10308. The push spring 10313 is fixedly installed on one side of the spring seat 10312, and one end of the push spring 10313 is fixedly connected to the sliding sleeve 10308, so that the push spring 10313 provides elastic force to push the grinding wheel 10301 outward, making it convenient for the grinding wheel 10301 to grind the tool edge, and can effectively avoid excessive contact pressure between the tool edge and the grinding wheel 10301, resulting in excessive grinding.
[0041] Among them, the desktop fixing clamp assembly 102 includes a C-type clamp 10201, a bolt hole 10202 is opened on one side of the C-type clamp 10201, a fixing nut 10203 is fixedly installed on the top of the C-type clamp 10201, and a threaded rod 10204 is threadedly connected to the middle part of the fixing nut 10203, a fixing knob 10205 is fixedly installed on the top of the threaded rod 10204, and a fixing clamp block 10206 is fixedly installed on the bottom of the threaded rod 10204. The fixing knob 10205 is fixedly installed on the top of the threaded rod 10204, and the fixing clamp block 10206 is fixedly installed on the bottom of the threaded rod 10204, so that the fixing knob 10205 is rotated to drive the fixing clamp block 10206 to move up and down, so that the fixing clamp block 10206 and the C-type clamp 10201 clamp the edge of the desktop, thereby fixing the device on the edge of the desktop, which is convenient for grinding the tool edge. Specifically, the working principle of this knife sharpener with timing and power display functions is as follows: when in use, a fixing knob 10205 is fixedly installed on the top of the threaded rod 10204, and a fixing clamp 10206 is fixedly installed on the bottom of the threaded rod 10204, so that the fixing knob 10205 is turned to drive the fixing clamp 10206 to move up and down, so that the fixing clamp 10206 and the C-type clamp 10201 clamp the edge of the desktop, thereby fixing the device on the edge of the desktop, making it convenient to grind the knife edge, and ... and the fixing clamp 10206 and the C-type clamp 10201 clamp the edge of the desktop, thereby fixing the device on the edge of the desktop, A threaded hole 10107 is provided, and a fixed suction cup 10108 is fixedly installed at the bottom of the housing 10101, which is convenient for fixing the desktop fixing clamp assembly 102 to the mounting slot 10106. When the device does not need to be fixed to the edge of the desktop, the desktop fixing clamp assembly 102 can be disassembled. The fixed suction cup 10108 can stably adsorb and fix the device on the top of the desktop, making it convenient to grind the knife. The control circuit board is electrically connected to the control button 10103, the battery, the grinding motor 10302, the buzzer and the display screen 10105. The battery provides power for the device to work, and the control circuit board can be pressed to control the device to work, and the timing can be set. The time information is displayed on the display screen 10105. When the timing stops, the buzzer sounds a sound reminder, which effectively avoids the tool grinding time being too long. Through the setting of the display screen 10105, it is convenient to display the working status of the device and the remaining battery power. Through the setting of the battery and the buzzer, it is convenient for the battery to provide power for the device to work. The buzzer can emit a sound message when the timing ends, prompting When the timing ends, the grinding wheel 10301 is set on one side of the grinding groove 10104, which makes it easy to slide the cutting edge of the tool inside the grinding groove 10104, so that the rotation of the grinding wheel 10301 grinds the cutting edge of the tool. The charging interface 10109 is set to facilitate the use of an external charging device to connect the charging interface 10109 to charge the battery. The worm 10303 is engaged with the worm wheel 10304, which makes it easy for the grinding motor 10302 to work and make the worm 10303 drive the worm wheel 10304 to rotate.The transmission shaft 10305 is rotatably connected to the housing 10101, and first bevel gears 10306 are fixedly installed at both ends of the transmission shaft 10305, so that the rotation of the worm gear 10304 makes the transmission shaft 10305 drive the two first bevel gears 10306 to rotate. A driving shaft 10310 is fixedly installed on one side of the second bevel gear 10307. The driving shaft 10310 is rotatably connected to the housing 10101, so that the rotation of the first bevel gear 10306 makes the second bevel gear 10307 drive the driving shaft 10310 to rotate. The sliding sleeve 10308 is arranged in the middle of the grinding wheel 10301, and the sliding sleeve 10308 is fixedly connected to the grinding wheel 10301, so that the grinding wheel 10301 can slide at one end of the driving shaft 10310. A limiting groove 10311 is provided at one end of the driving shaft 10310 away from the second bevel gear 10307. The limiting groove 10311 is slidably connected to the limiting slider 10309, so that the rotation of the driving shaft 10310 drives the grinding wheel 10301 to rotate, thereby facilitating the rotation of the grinding wheel 10301 to grind the cutting edge of the tool. A push spring 10313 is fixedly installed on one side of the spring seat 10312. One end of the push spring 10313 is fixedly connected to the sliding sleeve 10308, so that the push spring 10313 provides elastic force to push the grinding wheel 10301 outward, facilitating the grinding of the tool cutting edge by the grinding wheel 10301, and effectively preventing excessive contact pressure between the tool cutting edge and the grinding wheel 10301, which may lead to over-grinding.
[0042] The above description is merely a preferred embodiment of the present invention and is not intended to limit the present invention. Those skilled in the art will readily appreciate that the present invention is susceptible to various modifications and variations. Any modifications, equivalent substitutions, or improvements made within the spirit and principles of the present invention shall be included within the scope of protection of the present invention.
Claims
1. A knife sharpener with timing and power display functions, characterized in that: The invention comprises a knife sharpener assembly (101), wherein the knife sharpener assembly (101) comprises a housing (10101), an operating housing (10102) is provided at one end of the housing (10101), and a desktop fixing clamp assembly (102) is provided at the other end of the housing (10101), a grinding assembly (103), a battery and a buzzer are fixedly installed inside the housing (10101), the grinding assembly (103) comprises two grinding wheels (10301) and a grinding motor (10302), two knife sharpening grooves (10104) are provided at one end of the top of the housing (10101) facing the operating housing (10102), and the housing (10101) is provided with a plurality of knife sharpening grooves (10104). A display screen (10105) is provided at the other end of the top of (10101), the battery and the buzzer are arranged at the bottom of the display screen (10105), and the grinding assembly (103) is arranged at the bottom of the grinding groove (10104), the grinding wheel (10301) is arranged on one side inside the grinding groove (10104), a control circuit board is fixedly installed inside the operating shell (10102), a control button (10103) is provided on the top of the operating shell (10102), and the control circuit board is electrically connected to the control button (10103), the battery, the grinding motor (10302), the buzzer and the display screen (10105).
2. The knife sharpener with timing and power display functions according to claim 1, characterized in that: A charging interface (10109) is provided at the top of the housing (10101) on a side away from the operating housing (10102), and a mounting groove (10106) is provided at the bottom of the housing (10101) on a side away from the operating housing (10102).
3. The knife sharpener with timing and power display functions according to claim 2, characterized in that: A threaded hole (10107) is provided inside the mounting groove (10106), and a fixed suction cup (10108) is fixedly installed on the bottom of the housing (10101).
4. The knife sharpener with timing and power display functions according to claim 1, characterized in that: A worm (10303) is fixedly mounted on the output end of the grinding motor (10302), and the worm (10303) is meshedly connected with a worm wheel (10304).
5. The knife sharpener with timing and power display functions according to claim 4, characterized in that: A transmission shaft (10305) is inserted into the middle of the worm gear (10304), the transmission shaft (10305) is rotationally connected to the housing (10101), and first bevel gears (10306) are fixedly installed at both ends of the transmission shaft (10305).
6. The knife sharpener with timing and power display functions according to claim 5, characterized in that: The first bevel gear (10306) is meshedly connected with the second bevel gear (10307), and a drive shaft (10310) is fixedly installed on one side of the second bevel gear (10307), and the drive shaft (10310) is rotationally connected to the housing (10101).
7. The knife sharpener with timing and power display functions according to claim 6, characterized in that: A sliding sleeve (10308) is provided on the outer side of one end of the driving shaft (10310), and the sliding sleeve (10308) is arranged in the middle of the grinding wheel (10301), and the sliding sleeve (10308) is fixedly connected to the grinding wheel (10301).
8. The knife sharpener with timing and power display functions according to claim 7, characterized in that: A limiting slider (10309) is provided inside the sliding sleeve (10308), and a limiting groove (10311) is provided at one end of the driving shaft (10310) away from the second bevel gear (10307), and the limiting groove (10311) is slidably connected to the limiting slider (10309).
9. The knife sharpener with timing and power display functions according to claim 8, characterized in that: A spring seat (10312) is fixedly installed in the middle of the driving shaft (10310), and a push spring (10313) is fixedly installed on one side of the spring seat (10312), and one end of the push spring (10313) is fixedly connected to the sliding sleeve (10308).
10. The knife sharpener with timing and power display functions according to claim 1, characterized in that: The desktop fixing clamp assembly (102) comprises a C-type clamp (10201), a bolt hole (10202) is provided on one side of the C-type clamp (10201), a fixing nut (10203) is fixedly installed on the top of the C-type clamp (10201), a threaded rod (10204) is threadedly connected to the middle of the fixing nut (10203), a fixing knob (10205) is fixedly installed on the top of the threaded rod (10204), and a fixing clamp block (10206) is fixedly installed on the bottom of the threaded rod (10204).