Knife sharpener

Abstract

A knife sharpener comprises a base, a shell, a motor, a son clutch piece, a mother clutch piece, a locking mechanism, a lock shell and a knife sharpening body, the motor is embedded into a motor cavity, shaft seats at the two ends of the motor are embedded into fixing grooves, a motor cavity cover and the motor cavity are buckled to fix the motor, and a shaft of the motor is fixed to the son clutch piece; the locking mechanism is arranged on the base, and the lock shell is fixed to the base. The shell and the base are buckled and fixed, the circular cavity part and the circular cavity are embedded, and the sub clutch piece extends into the square cavity part; the locking mechanism corresponds to the guide hole; the annular protrusion is detachably matched with the circular cavity part, the square shell is detachably matched with the square cavity part, and the circular end base is detachably matched with the circular fixing cavity. And the locking mechanism is matched with the kitchen knife locking hole or the scissor locking hole. A female clutch piece is arranged at the input end of the cutter sharpening main body, a cutter sharpening groove and a cutter sharpening cutter groove which are formed in the two ends of a diameter line are formed in the cutter holder main body, and the cutter holder main body is locked with the shell through a locking mechanism; the function conversion of the knife sharpening main body is realized through the locking mechanism, and the operation is convenient.

Description

Technical Field

[0001] The utility model relates to a knife sharpener. Background Art

[0002] In the current prior art, Chinese Patent No. 202410089270.8, a knife head replaceable mini electric knife sharpener, includes a knife sharpener housing composed of a base and an upper housing. A battery, a reduction motor, a control board and a switch which are electrically connected to each other are installed in the knife sharpener housing. The switch is exposed from the upper housing to the outside of the upper housing. A knife head connecting seat A is fixed on the output shaft of the reduction motor. A strong magnet block A is fixed in the knife head connecting seat A. A grinding disc fixing seat A is adsorbed and fixed on the knife head connecting seat A. A fine steel grinding disc is fixed on the grinding disc fixing seat A. The reduction motor is installed and fixed in the upper housing through a motor fixing piece. A bushing A is fixed in the knife head connecting seat A, and the bushing A is sleeved and fixed on the output shaft of the reduction motor. The problem is that it has a single function and can only sharpen kitchen knives. Summary of the Utility Model

[0003] The purpose of the utility model is to provide a knife sharpener which can be reversed and has the characteristics of sharpening kitchen knives and scissors.

[0004] The utility model is realized as follows: A knife sharpener, which is characterized in that it includes a base, a housing, a motor, a sub-clutch member, a mother-clutch member, a locking mechanism, a locking housing and a knife sharpening main body.

[0005] A motor cavity, fixing grooves and support columns provided at both ends of the motor cavity are provided on the base.

[0006] The housing has a lower opening, includes an accommodating cavity with one end open, a main body cavity with an upper opening and a circular fixing cavity provided at the end. A circular cavity is provided at the opening end of the accommodating cavity and is communicated with the main body cavity.

[0007] The locking housing includes a circular cavity part, a square cavity part, a shaft hole provided at the end of the square cavity part and a guiding hole provided on the square cavity part.

[0008] The knife sharpening main body includes a kitchen knife shell, a scissors shell, a circular end seat, a knife shaft and a plurality of grinding discs. The kitchen knife shell includes a kitchen knife groove, an upper half hinge seat provided on the active end wall plate, an upper semi-circular protrusion, an upper semi-square shell and an upper half hinge seat provided at the driven end. A scissors locking hole is provided on the wall plate of the upper semi-square shell. The scissors shell includes a scissors groove, a lower half hinge seat provided on the active end wall plate, a lower semi-circular protrusion, a lower semi-square shell and a lower half hinge seat provided at the driven end. A kitchen knife locking hole is provided on the wall plate of the lower semi-square shell. The kitchen knife shell and the scissors shell are buckled to form a main body shell. The circular end seat is fixed to the driven end of the main body shell. The upper and lower half hinge seats form a hinge seat. The upper and lower half square shells form a square shell. The upper and lower semi-circular protrusions form an annular protrusion. The grinding discs are fixed to the knife shaft. The active end of the knife shaft extends into the square shell and is fixed to the mother-clutch member.

[0009] The motor is embedded in the motor cavity. The shaft seats at both ends of the motor are fitted with the fixing grooves. The motor cavity cover is buckled with the motor cavity to fix the motor, and the shaft of the motor is fixed to the sub-clutch member. The locking mechanism is arranged on the base, and the lock shell is fixed to the base. The shell is buckled and fixed to the base, the circular cavity part and the circular cavity are fitted, and the sub-clutch member extends into the square cavity part. The locking mechanism corresponds to the guiding hole. The annular protrusion is detachably matched with the circular cavity part, the square shell is detachably matched with the square cavity part, and the circular end seat is detachably matched with the circular fixing cavity. The locking mechanism is matched with the locking hole of the kitchen knife or the locking hole of the scissors.

[0010] The special feature of the described sharpener is that: an annular groove is provided on the outer circumferential surface of the circular end seat, and an O-shaped silicon ring is further included.

[0011] The O-shaped silicon ring is arranged in the annular groove and is matched with the circular fixing cavity.

[0012] The special feature of the described sharpener is that: a button moving hole is provided on the shell.

[0013] The locking mechanism includes a button, a driving rod, a transverse spring, a locking member, a longitudinal spring, a guiding seat arranged on the base, and a guiding sleeve and a guiding top cover penetrating the base.

[0014] The driving rod includes a cross head, a circular disc, a cross guiding plate and a driving plate, and a driving inclined surface is provided on the end surface of the driving plate.

[0015] The locking member includes a locking tongue plate, a driven block and a longitudinal rod. The driven block includes a longitudinal guiding hole and an inclined driven inclined surface arranged in the longitudinal hole.

[0016] The guiding seat is hollow and has an upper opening, and lower half cross-shaped holes are provided at the front and rear ends.

[0017] The guiding top cover has a lower opening, and upper half cross-shaped holes are provided at the front and rear ends.

[0018] The guiding top cover and the guiding seat are buckled and fixed. The cross head extends out from the cross-shaped hole at the front end, the cross guiding plate passes through the transverse spring and extends out from the cross-shaped hole at the rear end. The button is fixed to the cross head and is slidably matched with the button moving hole. The longitudinal rod passes through the longitudinal spring and is slidably matched with the guiding sleeve, and the guiding sleeve is inserted into the longitudinal spring. The driving plate is slidably matched with the longitudinal guiding hole, the driving inclined surface and the inclined driven inclined surface are slidably matched, and the locking tongue plate passes through the guiding hole of the lock shell and is locked with the locking hole of the kitchen knife or the locking hole of the scissors.

[0019] The special feature of the described sharpener is that: the button is hollow with one end open, and includes a connecting seat arranged in the button, an avoiding groove and a stop hook arranged in the avoiding groove.

[0020] The connecting seat is fixed to the cross head, and the stop hook is matched with the wall plate of the shell at the inner end of the button moving hole.

[0021] The described knife sharpener is characterized in that: a handle is provided on the circular end seat of the knife sharpening main body.

[0022] The described knife sharpener is characterized in that: when the locking tongue plate is locked with the kitchen knife locking hole, the kitchen knife groove is at the top and the scissors grinding groove is in the main body cavity; it is in the state of sharpening the kitchen knife.

[0023] When the locking tongue plate is locked with the scissors locking hole, the scissors grinding groove is at the top and the kitchen knife groove is in the main body cavity; it is in the state of sharpening the scissors.

[0024] The described knife sharpener is characterized in that: an arc-shaped dust collecting groove is provided at the bottom of the main body cavity.

[0025] The described knife sharpener is characterized in that: an installation hole is provided at the top of the accommodating cavity, and it further includes a knife sharpening plate which is fixed to the installation hole.

[0026] The described knife sharpener is characterized in that: the knife sharpening main body further includes a cylindrical outer shell made of stainless steel, and the cylindrical outer shell is provided with a shell scissors groove and a shell kitchen knife groove;

[0027] Between the cylindrical outer shell, a fixed end seat and an annular protrusion are provided.

[0028] For a knife sharpener of the present utility model, a female clutch member is provided at the input end of the knife sharpening main body, and knife sharpening grooves and scissors grinding grooves are provided at both ends of a diameter line on the seat knife main body, and it is locked with the housing through a locking mechanism; the function conversion of the knife sharpening main body is realized through the locking mechanism, and the operation is convenient. Brief Description of the Drawings

[0029] Figure 1 It is a cross-sectional view of the present utility model.

[0030] Figure 2 It is a three-dimensional view of the present utility model.

[0031] Figure 3 It is one of the three-dimensional exploded views of the present utility model.

[0032] Figure 4 It is two of the three-dimensional exploded views of the present utility model.

[0033] Figure 5 It is three of the three-dimensional exploded views of the present utility model.

[0034] Figure 6 It is four of the three-dimensional exploded views of the present utility model.

[0035] Figure 7 It is five of the three-dimensional exploded views of the present utility model.

[0036] Figure 8It is a three-dimensional sectional view of the present utility model.

[0037] Figure 9 It is one of the three-dimensional exploded views of the knife sharpening main body of the present utility model.

[0038] Figure 10 It is the second three-dimensional exploded view of the knife sharpening main body of the present utility model.

[0039] Figure 11 It is the third three-dimensional exploded view of the knife sharpening main body of the present utility model.

[0040] Figure 12 It is the three-dimensional exploded view of the locking mechanism of the present utility model. Detailed implementation manners

[0041] The embodiments of the present utility model will be described in detail below. The examples of the embodiments are shown in the drawings, wherein the same or similar reference numerals denote the same or similar elements or elements having the same or similar functions throughout. The embodiments described below with reference to the drawings are exemplary and are only used to explain the present utility model and should not be construed as a limitation of the present utility model.

[0042] In the description of the present utility model, it should be noted that unless otherwise clearly defined and limited, the terms "installation", "connection", and "connection" should be understood in a broad sense. For example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a direct connection or an indirect connection through an intermediate medium, and it can be the communication inside two elements. For those of ordinary skill in the art, the specific meanings of the above terms in the present utility model can be understood according to specific situations.

[0043] As Figure 1 、 Figure 2 、 Figure 5 、 Figure 6 shown, a knife sharpener includes a base 1, a housing 2, a motor 3, a sub-clutch member 41, a mother clutch member 42, a locking mechanism 5, a lock housing 6, and a knife sharpening main body 7.

[0044] The base 1 is provided with a motor cavity 11, fixing grooves and support columns 12 provided at both ends of the motor cavity 11. The motor cavity 11 can also be called a motor seat with a hollow upper opening; the motor cavity cover 8 is arc-shaped and has a lower opening and two end openings.

[0045] The housing 2 has a lower opening, includes a receiving cavity 21 with one end open, a main cavity 22 with a circular upper opening, and a circular fixing cavity 23 provided at the end. The upper opening of the main cavity 22 penetrates the front and rear wall plates, and the central angle of the upper opening is greater than 180 degrees; a circular cavity 211 is provided at the opening end of the receiving cavity 21 and is communicated with the main cavity 22.

[0046] The front end cover and the rear end cover of the motor 3 are provided with shaft seats, which can be circular or square; the shaft of the motor 3 is rotationally matched with the shaft seat on the front end cover;

[0047] The lock housing 6 includes a circular cavity portion 61, a square cavity portion 62, a shaft hole 621 provided at the end of the square cavity portion, and a guide hole 622 provided on the square cavity portion 62; the sub-clutch member 41 is located within the square cavity portion 62;

[0048] The knife sharpening main body 7 includes a kitchen knife housing 71, a pair of scissors housing 72, a circular end seat 73, a knife shaft 74, and a plurality of knife sharpening discs 75. The kitchen knife housing 71 includes a kitchen knife groove 711, an upper half hinge seat provided on the active end wall plate, an upper semi-circular protrusion 712, an upper semi-square housing 713, and an upper half hinge seat provided at the driven end. A pair of scissors locking hole 714 is provided on the wall plate of the upper semi-square housing 713; the pair of scissors locking hole 714 is locked with the locking mechanism, and the knife sharpening main body is in the state of sharpening a pair of scissors;

[0049] The pair of scissors housing 72 includes a pair of scissors groove 721, a lower half hinge seat provided on the active end wall plate, a lower semi-circular protrusion 722, a lower semi-square housing 723, and a lower half hinge seat provided at the driven end. A kitchen knife locking hole 724 is provided on the wall plate of the lower semi-square housing 723; the kitchen knife locking hole 724 is locked with the locking mechanism, and the knife sharpening main body is in the state of sharpening a kitchen knife; as Figure 2 、 Figure 3 、 Figure 4 shown;

[0050] The kitchen knife housing 71 and the pair of scissors housing 72 are buckled to form the main housing. The circular end seat 73 is fixed to the driven end of the main housing; the upper and lower half hinge seats form a hinge seat, the upper and lower half square housings 723 form a square housing, and the upper and lower semi-circular protrusions 722 form an annular protrusion; the knife sharpening discs 75 are fixed to the knife shaft 74, the knife shaft 74 is hinged to the hinge seat, and the active ends of the knife shafts 74 at both ends extend into the square housing and are fixed to the mother clutch member 42;

[0051] The motor 3 is embedded in the motor cavity 11. The shaft seats at both ends of the motor 3 are fitted with the fixing grooves. The motor cavity cover 8 is buckled with the motor cavity 11 to fix the motor 3. The shaft of the motor 3 is fixed to the sub-clutch member 41; the locking mechanism 5 is provided on the base 1. The lock housing 6 is fixed to the support column 12 of the base 1; the housing 2 is buckled and fixed to the base 1. The circular cavity portion 61 of the lock housing 6 is fitted with the circular cavity 211. The square cavity portion 62 is located within the accommodating cavity 21. The sub-clutch member 41 extends into the square cavity portion 62; the locking mechanism 5 corresponds to the guide hole 622 on the square cavity portion 62; the annular protrusion is inserted into the circular cavity portion 61, the square housing is inserted into the square cavity portion 62 and is detachably fitted, and the circular end seat 73 is detachably fitted with the circular fixing cavity 23; the locking mechanism 5 cooperates with the kitchen knife locking hole 724 or the pair of scissors locking hole 714.

[0052] As a further improvement of the present utility model: an annular groove is provided on the outer circumferential surface of the circular end seat 73, and an O-shaped silicone ring 731 is further included.

[0053] The O-shaped silicone ring 731 is arranged in the annular groove and cooperates with the circular fixing cavity 23. The O-shaped silicone ring 731 plays a buffering role and prevents the knife grinding main body 7 from jumping.

[0054] As a further improvement of the present utility model: an arc-shaped dust collecting groove 221 is provided at the bottom of the main body cavity 22, and the arc-shaped dust collecting groove 221 is opposite to the scissors groove or the kitchen knife groove of the knife grinding main body.

[0055] The knife grinding main body 7 further includes a cylindrical outer shell 76 made of stainless steel, and the cylindrical outer shell 76 is provided with a shell scissors groove and a shell kitchen knife groove;

[0056] The cylindrical outer shell 76 is arranged between the fixed end seat and the annular protrusion, and the shell scissors groove and the shell kitchen knife groove respectively correspond to the scissors groove and the kitchen knife groove.

[0057] As a further improvement of the present utility model: an installation hole is provided at the top of the accommodation cavity 11, and a knife grinding plate 9 is further included, and the knife grinding plate 9 is fixed to the installation hole.

[0058] A button moving hole 24 is provided on the housing 2;

[0059] As Figure 8 、 Figure 12 As shown, the locking mechanism 5 includes a button 51, a driving rod 52, a transverse spring 53, a locking member 54, a longitudinal spring 55, a guide seat 56 provided on the base 1, and a guide sleeve 57 and a guide top cover 58 penetrating through the base 1;

[0060] The driving rod 52 includes a cross head 521, a circular disk 522, a cross guide plate 523 and a driving plate 524, and a driving inclined surface is provided on the end surface of the driving plate 524;

[0061] The locking member 54 includes a lock tongue plate 541, a driven block 542 and a longitudinal rod 543, and the driven block 542 includes a longitudinal guide hole 544 and an inclined driven inclined surface 545 provided in the longitudinal guide hole;

[0062] The guide seat 56 is hollow and has an upper opening, and lower half cross-shaped holes (not marked in the figure) are provided at the front and rear ends;

[0063] The guide top cover 58 has a lower opening, and upper half cross-shaped holes are provided at the front and rear ends;

[0064] The guiding top cover 58 and the guiding seat 56 are buckled and fixed. The upper cross-shaped hole and the lower cross-shaped hole form a cross-shaped hole. The cross head 521 extends out from the cross-shaped hole at the front end, and the cross guiding plate 523 passes through the transverse spring 53 and extends out from the cross-shaped hole at the rear end. The circular disc 522 is attached to the front wall plates of the guiding seat and the guiding top cover. The button 51 is fixed to the cross head 521 and is in sliding fit with the button moving hole 24. The longitudinal rod 543 passes through the longitudinal spring 55 and is in sliding fit with the guiding sleeve 57. The guiding sleeve 57 is inserted into the longitudinal spring 55. The driving plate 524 is in sliding fit with the longitudinal guiding hole 544 and is in sliding fit with the driving inclined surface and the inclined driven surface 545. The locking tongue plate 541 passes through the guiding hole 622 of the lock case 6 and is locked with the kitchen knife locking hole 724 or the scissors locking hole 714.

[0065] Due to the arrangement of the longitudinal spring 55, the locking plate 541 always extends into the square cavity part 62 of the lock case 6. Under the action of the transverse spring and the inclined driven surface, the driving rod member 52 automatically resets. When the button 51 is pressed, as Figure 8 shown, the driving rod member 52 moves to the right. The driving inclined surface is in sliding fit with the inclined driven surface 545. The locking member 54 moves downward, and the driven block 542 compresses the longitudinal spring. The locking plate 541 leaves the kitchen knife locking hole 724 or the scissors locking hole 714, and the knife sharpening main body 7 can be taken out.

[0066] As a further improvement of the present utility model, one end of the button 51 is hollow and open, and it includes a connecting seat, an avoidance groove provided in the button, and a stop hook 511 provided in the avoidance groove.

[0067] The connecting seat is fixed to the cross head 521, and the stop hook 511 cooperates with the wall plate of the housing 2 at the inner end of the button moving hole 24 for stopping.

[0068] As a further improvement of the present utility model: The circular end seat 73 of the knife sharpening main body 7 is provided with a handle 732.

[0069] When the locking tongue plate 541 is locked with the kitchen knife locking hole 724, the kitchen knife groove 711 is at the top, and the scissors sharpening groove 721 is in the main body cavity 22; it is in the state of sharpening the kitchen knife.

[0070] When the locking tongue plate 541 is locked with the scissors locking hole 714, the scissors sharpening groove 721 is at the top, and the kitchen knife groove 711 is in the main body cavity 22; it is in the state of sharpening the scissors.

[0071] Although the embodiments of the present utility model have been shown and described, those of ordinary skill in the art can understand that various changes, modifications, substitutions, and variations can be made to these embodiments without departing from the principles and purposes of the present utility model. The scope of the present utility model is defined by the claims and their equivalents.

Claims

1. A knife sharpener, characterized in that: It includes a base, a housing, a motor, a sub-clutch, a main clutch, a locking mechanism, a lock housing and a sharpening body. The base is equipped with a motor cavity, a fixing slot and a support column. The shell has a lower opening, including a receiving cavity, a circular main cavity and a circular fixing cavity, the opening end of the receiving cavity is provided with a circular cavity and is connected with the main cavity; The lock housing comprises a circular cavity, a square cavity, an axial hole and a guide hole; The knife sharpening body comprises a kitchen knife shell, a scissors shell, a circular end seat, a knife shaft and a plurality of knife sharpening discs. The kitchen knife shell comprises a kitchen knife groove, an upper half hinged seat arranged on the active end wall plate, an upper semicircular protrusion and an upper half square shell and an upper half hinged seat arranged on the driven end, and a scissors locking hole is arranged on the wall plate of the upper half square shell; the scissors shell comprises a scissors groove, a lower half hinged seat arranged on the active end wall plate, a lower semicircular protrusion and a lower half square shell and a lower half hinged seat arranged on the driven end, and a kitchen knife locking hole is arranged on the wall plate of the lower half square shell; the kitchen knife shell and the scissors shell are buckled together to form a main body shell, the circular end seat is fixed to the driven end of the main body shell, the upper and lower semi-hinged seats constitute an hinged seat, the upper and lower semi-square shells constitute a square shell, the upper and lower semi-circular protrusions constitute an annular protrusion, the knife sharpening disc is fixed to the knife shaft, and the active end of the knife shaft extends into the square shell and is fixed to the mother clutch; The motor is embedded in the motor cavity, the shaft seats at both ends of the motor are engaged with the fixing grooves, the motor cavity cover is buckled with the motor cavity to fix the motor, and the shaft of the motor is fixed to the sub-clutch; the locking mechanism is arranged on the base, and the lock shell is fixed to the base; the shell is buckled and fixed to the base, the circular cavity is engaged with the circular cavity, and the sub-clutch extends into the square cavity; the locking mechanism corresponds to the guide hole; the annular protrusion is detachably matched with the circular cavity, the square shell is detachably matched with the square cavity, and the circular end seat is detachably matched with the circular fixed cavity; the locking mechanism is matched with the locking hole of a kitchen knife or the locking hole of scissors.

2. A knife sharpener according to claim 1, characterized in that: The outer circumferential surface of the circular end seat is provided with an annular groove and also includes an O-shaped silicon ring. The O-silicone ring is arranged in the annular groove and cooperates with the circular fixing cavity.

3. A knife sharpener according to claim 1, characterized in that: The housing is provided with a button activity hole; The locking mechanism includes a button, a driving rod, a transverse spring, a locking member, a longitudinal spring, a guide seat arranged on the base, and a guide sleeve and a guide top cover passing through the base; The driving rod comprises a cross head, a circular disk, a cross guide plate and a driving plate, and the end surface of the driving plate is provided with a driving inclined surface; The locking member comprises a bolt plate, a follower block and a longitudinal rod, wherein the follower block comprises a longitudinal guide hole and an inclined follower inclined surface arranged in the longitudinal hole; The guide seat is hollow with an upper opening and lower half cross-shaped holes at both ends; The guide top cover has a lower opening and upper half cross-shaped holes at both ends; The guide top cover and the guide seat buckle are combined and fixed, the cross head extends from the cross hole at the front end, the cross guide plate passes through the transverse spring and extends from the cross hole at the rear end, the button is fixed to the cross head and slides with the button movable hole; the longitudinal rod passes through the longitudinal spring and slides with the guide sleeve, and the guide sleeve is inserted into the longitudinal spring; the drive plate slides with the longitudinal guide hole, the driving bevel and the oblique driven bevel slide, and the lock tongue plate passes through the guide hole of the lock shell and locks with the kitchen knife locking hole or the scissors locking hole.

4. A knife sharpener according to claim 3, characterized in that: The button is hollow with one end open, and comprises a connecting seat arranged in the button, a space-avoiding groove, and a stop hook arranged in the space-avoiding groove; The connecting seat is fixed to the cross head, and the stop hook is matched with the wall plate of the shell body at the inner end of the button movable hole.

5. A knife sharpener according to claim 1, characterized in that: The circular end seat of the knife sharpening body is provided with a gripper.

6. A knife sharpener according to claim 4, characterized in that: When the locking tongue plate is locked with the kitchen knife locking hole, the kitchen knife groove is located at the top, and the knife sharpening groove is located in the main body cavity; it is in the knife sharpening state; When the locking tongue plate is locked with the scissors locking hole, the scissors sharpening groove is located at the top, and the kitchen knife groove is located in the main body cavity; it is in the scissors sharpening state.

7. A knife sharpener according to claim 1, characterized in that: An arc-shaped dust collecting groove is arranged at the bottom of the main body cavity.

8. A knife sharpener according to claim 1, characterized in that: The top of the accommodating cavity is provided with a mounting hole, and also includes a knife sharpening plate, which is fixed to the mounting hole.

9. A knife sharpener according to claim 1, characterized in that: The knife sharpening body also includes a stainless steel cylindrical shell, which is provided with a shell scissor groove and a shell kitchen knife groove; The cylindrical housing is provided with a fixed end seat and an annular protrusion therebetween.

Images