CN218875128U - Fixed angle knife sharpener - Google Patents

Abstract

The utility model is suitable for a sharpener technical field provides a fixed angle sharpener, include: fixing mechanism, it has centre gripping subassembly and presss from both sides the cutter unit spare, press from both sides cutter unit spare fixed connection in on the centre gripping subassembly, adjustment mechanism, its mobilizable connect in on the centre gripping subassembly, just adjustment mechanism has height adjustment subassembly and angle upset subassembly, but height adjustment subassembly horizontal sliding connection in press from both sides cutter unit spare one side on the centre gripping subassembly, the angle upset subassembly set up in on the height adjustment subassembly, sharpening mechanism, its movable mounting in the angle upset subassembly is close to one side of pressing from both sides the cutter unit spare, the pipe fitting rotates to be connected in the installation cover intraductally, and the blade centre gripping is fixed in between two elastic pressing pieces that the pipe fitting kept away from installation sleeve pipe one end and sets up, consequently, after polishing the completion of a side of blade, the accessible upset pipe fitting is in order to drive the blade turn-over, need not to install again after the blade is dismantled, has saved the centre gripping step.

Description

Fixed angle knife sharpener

Technical Field

The utility model belongs to the technical field of the sharpener, especially, relate to a constant angle sharpener.

Background

The knife sharpener is a knife sharpener, and in the process of durable use of a knife, due to long-term chopping and cutting, the knife edge of the knife is gradually blunted from sharp, so that the sharpness is gradually lowered when the knife is chopped and cut, and the knife which is worn greatly needs to be periodically ground for durable use of the knife.

The utility model discloses a chinese utility model patent of publication No. CN217513505U, a constant angle sharpener, including unable adjustment base, unable adjustment base's right-hand member is provided with presss from both sides sword mechanism, unable adjustment base's below threaded connection has the supporting rod, unable adjustment base's upper left side fixed mounting has the montant, the outside of montant is connected with adjustment mechanism, the connecting rod is installed to adjustment mechanism's one end, the one end that adjustment mechanism was kept away from to the connecting rod is installed sharpening the mechanism. The utility model discloses a rotatory supporting rod that links to each other with the unable adjustment base screw thread, the quick clamping of the device of can being convenient for to place the blade distribution of cutter between clamp blade and unable adjustment base, stir the movable rod, utilize the eccentric wheel principle, can stimulate the movable rod downwards, thereby drive clamp blade and remove towards unable adjustment base, can carry out the centre gripping to the cutter, and the setting of locating lever, can make clamp blade keep parallel with unable adjustment base.

However, the above-mentioned comparison document has the following technical problems:

1. when the device polishes the blade, the clamping mode of the blade clamping mechanism is limited, so that the first half surface of the blade on the blade clamping mechanism can be polished at each time, if the reverse surface of the blade needs to be polished, the blade needs to be taken down from the blade clamping mechanism, then the blade face needing to be polished is aligned upwards to the knife sharpening mechanism, and then the fixation of the blade on the blade clamping mechanism is completed again, and the polishing mode needs to frequently adjust the position of the blade on the blade clamping mechanism, so that the rapid polishing of the blade is not facilitated.

2. In addition, receive the width of system whetstone, above-mentioned device can only polish to the position that whetstone covered when polishing the blade, if need polish other positions of blade in the same face, then need take off the blade from pressing from both sides sword mechanism, fix the blade again behind the position alignment whetting a knife mechanism that will need polish again, this kind of mode need constantly adjust the horizontal position of blade on pressing from both sides sword mechanism according to the degree of polishing to the efficiency of polishing is influenced.

SUMMERY OF THE UTILITY MODEL

The utility model provides a constant angle sharpener, aim at solving above-mentioned device that mentions among the above-mentioned background art when polishing the blade, press from both sides sword mechanism and lack the upset adjusting device to the blade, lead to when polishing the blade reverse side, need dismantle the blade and install again, influence efficiency, and simultaneously, above-mentioned device is when polishing to the different positions of blade, need frequent horizontal position of adjusting the blade on pressing from both sides sword mechanism, this kind of mode also needs frequent dismantlement and installation to the blade, be not convenient for polish fast to the blade.

The utility model discloses a realize like this, a fixed angle sharpener, include: the device comprises a fixing mechanism and a knife sharpening mechanism, wherein the fixing mechanism is provided with a clamping component and a knife clamping component, the knife clamping component is fixedly connected to the clamping component and used for clamping a blade to be sharpened, the adjusting mechanism is movably connected to the clamping component and provided with a height adjusting component and an angle overturning component, the height adjusting component can be horizontally and slidably connected to the clamping component on one side of the knife clamping component, the angle overturning component is arranged on the height adjusting component and can be used for performing lifting adjustment along the longitudinal height of the height adjusting component, and the knife sharpening mechanism is movably arranged on one side, close to the knife clamping component, of the angle overturning component and used for sharpening the blade; in the scheme, a blade to be polished is clamped on the blade clamping component, the blade sharpening mechanism is repeatedly pulled and pulled on the angle overturning component, the sharpening of the notch position of the blade is realized by utilizing a sharpening stone arranged in the sharpening mechanism, in the device, when one section of the blade is polished and is needed to be polished, the horizontal position of the component on the bottom plate can be adjusted through adjusting the height, and then the horizontal position of the blade is adjusted, so that the sharpening mechanism is transversely moved to the position of the blade to be polished, subsequent polishing operation can be carried out, the blade does not need to be taken down from the blade clamping component and then installed, the polishing step is saved, meanwhile, after one side surface of the blade is polished, the blade can be overturned in the blade clamping component, the blade does not need to be taken down from the overturning surface and then installed, and the polishing efficiency is improved.

Preferably, the clamping assembly comprises: the bottom plate is provided with a connecting plate in parallel below, a connecting part is fixedly connected between the bottom plate and the end part at the same side of the connecting plate, a first screw rod is vertically screwed in the connecting plate, a pressing plate is fixedly connected at one end of the first screw rod close to the bottom plate, and a first rotating handle is fixedly connected at one end far away from the bottom plate; in this scheme, when fixing the centre gripping subassembly, at first, put the bottom plate the border position of desktop for the bottom surface and the laminating of desktop upper surface level of bottom plate, then, utilize first rotatory handle to rotate the first screw rod on the connecting plate, make first screw rod rise and drive the clamp plate and be close to towards the bottom plate, treat that the clamp plate supports to press on the desktop lower surface after, can accomplish the fixed of this device through the centre gripping of clamp plate and bottom plate.

Preferably, the clamping knife assembly comprises: the mounting sleeve is fixedly connected to the bottom plate, the opening of the mounting sleeve faces the connecting portion, a pipe fitting is further sleeved inside the mounting sleeve, a second screw rod is connected to the outer wall of the mounting sleeve in a threaded manner, a second rotating handle is fixedly connected to one end, away from the mounting sleeve, of the second screw rod, two accommodating grooves capable of accommodating the end portion of the second screw rod are symmetrically formed in the outer wall of the pipe fitting, two parallel elastic pressing pieces are fixedly connected to one end, away from the mounting sleeve, of the pipe fitting, a hollow groove capable of clamping a blade is reserved between the two elastic pressing pieces, a locking bolt is arranged, the threaded section of the locking bolt sequentially penetrates through the two elastic pressing pieces, and a locking nut is connected to the threaded section of the locking bolt; in this scheme, this device is when fixing the blade, unscrew lock nut in the locking bolt screw thread section, make the increase of dead slot interval between two elastic pressing pieces, then with the blade centre gripping inside this dead slot, and run through two elastic pressing pieces with lock bolt's screw thread section in proper order, wear out the back in the offside elastic pressing piece as its screw thread section, with lock nut spiro union in its screw thread section, in lock nut's the continuous tightening in-process, two elastic pressing pieces are progressively close to and reduce the interval of dead slot, thereby make two elastic pressing pieces press from both sides tight in the blade, the realization is fixed to the centre gripping of blade.

Preferably, the height adjustment assembly includes: the sliding groove is arranged on the bottom plate and is perpendicular to the mounting sleeve, a sliding block is connected in the sliding groove in a sliding mode, a third screw rod is connected to the end face, away from the mounting sleeve, of the bottom plate in a threaded mode, a threaded section of the third screw rod extends into the sliding groove and is movably matched with an extrusion block, the extrusion block abuts against one side of the sliding block, a third rotating handle is arranged at one end, away from the extrusion block, of the third screw rod, the top of the sliding block is provided with a vertical rod in a threaded connection and matching mode, a movable sleeve is sleeved on the outer wall of the vertical rod, an adjusting bolt is connected to the outer wall of the movable sleeve in a threaded mode, and the threaded section of the adjusting bolt abuts against the outer wall of the vertical rod; in this scheme, when polishing blade incision position different positions, the third screw rod is unscrewed to the rotatory handle of accessible third, thereby make the extrusion piece lose the oppression restriction to the slider, adjust the horizontal position of slider along the spout after that, treat that the slider drives the pole setting of spiro union on it and remove after the assigned position, screw up the third screw rod through the rotatory handle of third, make the extrusion piece remove and oppress the slider towards the slider direction and be fixed in the spout, thereby accomplish the fixed to the slider position, and then accomplished the adjustment to sharpening mechanism horizontal position.

Preferably, the angle-inverting assembly includes: the knife sharpening mechanism is hinged to the outer wall of the movable sleeve through a hinge shaft, and is provided with a connecting circular ring opposite to the adjusting bolt, a movable rod penetrates through the connecting circular ring, the outer wall of the movable rod is in sliding fit with the inner peripheral wall of the connecting circular ring, and the knife sharpening mechanism is detachably and fixedly connected to the end part of the movable rod; in this scheme, through unscrewing adjusting bolt to adjust the high position of movable sleeve in the pole setting, and then adjust and the height of articulated connection ring between the movable sleeve, make the mechanism of whetting a knife laminating in the incision position of blade, in order to guarantee the quality of follow-up polishing to the blade.

Preferably, the sharpening mechanism comprises: the device comprises a guide rod, a first connecting seat and a second connecting seat, wherein one end of the guide rod is fixedly connected with a holding handle, the other end of the guide rod is fixedly connected with the first connecting seat, one end of a movable rod is installed on the outer wall, far away from the guide rod, of the first connecting seat in a threaded connection matching mode, the outer wall of the guide rod is further in sliding matching with the second connecting seat, a reset spring is sleeved on the outer wall of the guide rod between the second connecting seat and the holding handle, and at least one whetstone is clamped between the first connecting seat and the second connecting seat; in this scheme, through handheld handle of gripping, utilize the movable rod that is connected with the mechanism of whetting a knife simultaneously to be in the same direction as the internal diameter of being connected the ring and do reciprocal pull slip, thereby make the whetstone laminating polish the blade in the incision position of blade, furthermore, in the same direction as the guide bar to gripping handle direction slip second connecting seat and compression reset spring, with the interval between first connecting seat of increase and the second connecting seat, convenient follow-up dismantlement whetstone, and simultaneously, after loosening the restriction to the second connecting seat, under the influence of reset spring's elasticity effort, the second connecting seat removes to first connecting seat direction, thereby realize the centre gripping to the whetstone.

Compared with the prior art, the beneficial effects of the utility model are that: the utility model discloses a fixed angle sharpener:

1. the pipe fitting rotates to be connected in the installation sleeve, and the blade centre gripping is fixed in the pipe fitting and keeps away from between two elastic pressing pieces that installation sleeve one end set up, consequently, after the side of blade was polished and is accomplished, the accessible upset pipe fitting need not to install again after dismantling the blade in order to drive the blade turn-over, has saved the centre gripping step.

2. In addition, because the outer wall of pipe fitting is relative set up two holding tanks that can hold second screw rod tip, consequently, after the pipe fitting overturns and predetermines the angle, can insert the tip of second screw rod and realize fixing to the pipe fitting position in the holding tank, prevent that follow-up bad phenomena such as rocking, skew appear in the in-process blade of polishing.

3. Thereby utilize slider sliding connection in the spout to adjust the horizontal position of pole setting on the bottom plate, and then, adjust the horizontal position of mechanism of whetting a knife to can move the mechanism of whetting a knife to the optional position that corresponds the blade under the prerequisite of not dismantling the blade, improve the efficiency of polishing to the blade.

Drawings

Fig. 1 is a side view of the present invention;

fig. 2 is a schematic view of the fixing mechanism of the present invention;

FIG. 3 is a schematic view and a partially enlarged view of the middle clamping cutter assembly of the present invention;

fig. 4 is a top view of the middle base plate of the present invention;

FIG. 5 is a schematic view of a middle sharpening mechanism of the present invention;

FIG. 6 is a schematic view of a height adjustment assembly of the present invention;

in the figure:

1. a fixing mechanism; 11. a clamping assembly; 111. a base plate; 112. a connecting plate; 113. a connecting portion; 114. a first screw; 115. pressing a plate; 116. a first rotating handle; 12. a clamping knife assembly; 121. installing a sleeve; 122. a pipe fitting; 123. a second screw; 124. a second rotating handle; 125. accommodating grooves; 126. elastic tabletting; 127. locking the bolt; 128. locking the nut;

2. an adjustment mechanism; 21. a height adjustment assembly; 211. a chute; 212. a slider; 213. a third screw; 214. extruding the block; 215. a third rotating handle; 216. erecting a rod; 217. a movable sleeve; 218. adjusting the bolt; 22. an angle overturning assembly; 221. connecting the circular rings; 222. a movable rod;

3. a knife sharpening mechanism; 31. a guide bar; 32. a grip handle; 33. a first connecting seat; 34. a second connecting seat; 35. a return spring; 36. and (7) grinding a knife stone.

Detailed Description

The technical solution of the present invention will be described clearly and completely with reference to the accompanying drawings, and obviously, the described embodiments are some, but not all embodiments of the present invention.

The components of the embodiments of the present invention, as generally described and illustrated in the figures herein, may be arranged and designed in a wide variety of different configurations. Thus, the following detailed description of the embodiments of the present invention, presented in the accompanying drawings, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention.

Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Referring to fig. 1-6, the present invention provides a technical solution: a fixed angle sharpener comprising: the fixed establishment 1, it has clamping assembly 11 and double-layered knife assembly 12, double-layered knife assembly 12 fixed connection is on clamping assembly 11, for the centre gripping blade of waiting to polish, adjustment mechanism 2, its mobilizable connection is on clamping assembly 11, and adjustment mechanism 2 has height adjustment subassembly 21 and angle upset subassembly 22, but height adjustment subassembly 21 horizontal sliding connection is on clamping assembly 11 of double-layered knife assembly 12 one side, angle upset subassembly 22 sets up on height adjustment subassembly 21, and can follow the vertical height of height adjustment subassembly 21 and do the lift adjustment, and, sharpening mechanism 3, its movable mounting is close to one side that presss from both sides knife assembly 12 in angle upset subassembly 22, and be used for realizing polishing to the blade.

Specifically, for further reducing the occupation of land space of this device when not using, it is preferred, this device can set up to detachable construction, it is specific, the bottom of pole setting 216 is provided with the external screw thread, and the top of slider 212 sets up the hole groove that can hold pole setting 216 tip, this hole inslot is provided with the internal screw hole with external screw thread threaded connection, when not using this device, spiro union cooperation between usable external screw thread and the internal screw hole takes out pole setting 216 from the hole inslot, thereby realize the dismantlement to this device, furthermore, go back integrated into one piece's being provided with spacing seat on the pole setting 216 outer wall that corresponds the external screw thread top, this spacing seat can provide the support under the pole setting 216 state of erectting, make its stable perpendicular stand on slider 212, stability when pole setting 216 is erect has been guaranteed.

In addition, also can set up to dismantling the structure between movable rod 222 and the first connection seat 33, offered interior screw hole on the outer wall that the guide bar 31 was kept away from to first connection seat 33, and be provided with the external screw thread on the one end outer wall of movable rod 222, when installing the two, can realize the fixing to the two with the external screw thread spiro union in interior screw hole, simultaneously, when not using this device, can demolish the two to reduce the area of this device.

Based on the above scheme, the clamping assembly 11 comprises: the bottom plate 111 is provided with a connecting plate 112 in parallel below the bottom plate, a connecting portion 113 is fixedly connected between the same side end portions of the bottom plate 111 and the connecting plate 112, a first screw 114 is vertically screwed in the connecting plate 112, a pressing plate 115 is fixedly connected to one end of the first screw 114 close to the bottom plate 111, and a first rotating handle 116 is fixedly connected to one end of the first screw 114 far away from the bottom plate 111.

Specifically, for further ensuring the stability of the clamping assembly 11 when clamped on the desktop, non-slip mats can be adhered to the bottom wall of the bottom plate 111 and the top wall of the pressing plate 115, and friction between the non-slip mats and the surface of the desktop is increased, so that the stability of the clamping assembly 11 is ensured, and rubber gaskets can be selected for the non-slip mats.

Based on the above solution, the clamping knife assembly 12 comprises: the mounting sleeve 121 is fixedly connected to the bottom plate 111, an opening of the mounting sleeve 121 faces the connecting portion 113, a pipe 122 is further sleeved inside the mounting sleeve 121, a second screw 123 is screwed on an outer wall of the mounting sleeve 121, a second rotating handle 124 is fixedly connected to an end of the second screw 123 far away from the mounting sleeve 121, two accommodating grooves 125 capable of accommodating ends of the second screw 123 are symmetrically formed in the outer wall of the pipe 122, two parallel elastic pressing pieces 126 are fixedly connected to an end of the pipe 122 far away from the mounting sleeve 121, a hollow groove capable of clamping a blade is reserved between the two elastic pressing pieces 126, a locking bolt 127 is arranged, a thread section of the locking bolt sequentially penetrates through the two elastic pressing pieces 126, and a locking nut 128 is screwed on the locking bolt.

Specifically, the elastic pressing pieces 126 may be made of a stainless steel sheet or an iron sheet, through holes for the second screws 123 to pass through are drilled in the two elastic pressing pieces 126, and the inner diameters of the through holes are matched with the outer diameters of the second screws 123.

Based on the above solution, the height adjusting assembly 21 includes: the sliding groove 211 is arranged on the bottom plate 111 and perpendicular to the mounting sleeve 121, a sliding block 212 is connected in the sliding groove 211, a third screw rod 213 is screwed on the end face, far away from the mounting sleeve 121, of the bottom plate 111, a threaded section of the third screw rod 213 extends into the sliding groove 211 and is movably matched with an extrusion block 214, the extrusion block 214 abuts against one side of the sliding block 212, a third rotating handle 215 is arranged at one end, far away from the extrusion block 214, of the third screw rod 213, the top of the sliding block 212 is provided with an upright rod 216 through threaded connection and matching, a movable sleeve 217 is sleeved on the outer wall of the upright rod 216, an adjusting bolt 218 is connected to the outer wall of the movable sleeve 217 through threads, and the threaded section of the adjusting bolt 218 abuts against the outer wall of the upright rod 216.

Based on the above solution, the angle overturning assembly 22 includes: a connecting ring 221 hinged on the outer wall of the movable sleeve 217 through a hinge shaft and disposed opposite to the adjusting bolt 218, wherein a movable rod 222 penetrates through the connecting ring 221, the outer wall of the movable rod 222 and the inner peripheral wall of the connecting ring 221 are in sliding fit, and the sharpening mechanism 3 is detachably and fixedly connected to the end of the movable rod 222.

Based on above-mentioned scheme, mechanism 3 whets a knife includes: the guide bar 31, the rigid coupling has the handle 32 of gripping on its one end, and fixedly connected with first connecting seat 33 on the other end, the one end of movable rod 222 is installed on the outer wall that the guide bar 31 was kept away from to first connecting seat 33 through the threaded connection cooperation, still sliding fit has second connecting seat 34 on the outer wall of guide bar 31, and the cover is equipped with reset spring 35 on second connecting seat 34 and the guide bar 31 outer wall of gripping between the handle 32, and, it has at least one whetstone 36 to be located the centre gripping between first connecting seat 33 and the second connecting seat 34.

Specifically, for the stability when guaranteeing the installation of whetstone 36, on the terminal surface that first connecting seat 33 and second connecting seat 34 are close to mutually, all set up the heavy groove of inside extension, the size in this heavy groove is unanimous with the tip size of whetstone 36, consequently, when installation whetstone 36, can be with inside the heavy inslot of card income of its tip part to avoid when using mechanism 3 of whetting a knife, whetstone 36 takes place to drop from between first connecting seat 33, the second connecting seat 34.

The utility model discloses a theory of operation and use flow:

when the device polishes the surface of a blade, the third rotating handle 215 is rotated, so that the third screw rod 213 drives the extrusion block 214 to slide along the sliding groove 211 in a direction far away from the sliding block 212, the extrusion block 214 loses the limitation on the sliding block 212, then the sliding block 212 slides along the sliding groove 211 to adjust the transverse position of the extrusion block, after the sliding block 212 moves to a specified position, the third screw rod 213 is screwed down, the extrusion block 214 is pushed to move towards the sliding block 212 and press the sliding block 212, the sliding block 212 is fixed in the sliding groove 211, the position of the knife sharpening mechanism 3 is adjusted, the position of the knife sharpening mechanism 3 which can polish can be adjusted without loosening the clamping of the blade, and the polishing efficiency of the device is improved;

in addition, after one side of the blade is polished, the second screw 123 is unscrewed, so that the thread section of the second screw is disengaged from the accommodating groove 125, the pipe 122 is further turned in the mounting sleeve 121, the other side of the blade faces upwards, at this time, the other accommodating groove 125 on the outer wall of the pipe 122 is aligned with the second screw 123, and the second screw 123 is screwed down, so that the thread section of the second screw is inserted into the accommodating groove 125 to fix the pipe 122, thereby providing guarantee for subsequent normal polishing.

The above description is only exemplary of the present invention and should not be taken as limiting the scope of the present invention, as any modifications, equivalents, improvements and the like made within the spirit and principles of the present invention are intended to be included within the scope of the present invention.

Claims (6)

1. The utility model provides a decide angle sharpener which characterized in that: the method comprises the following steps:

the fixing mechanism (1) is provided with a clamping component (11) and a cutter clamping component (12), and the cutter clamping component (12) is fixedly connected to the clamping component (11) and used for clamping a blade to be ground;

the adjusting mechanism (2) is movably connected to the clamping component (11), the adjusting mechanism (2) is provided with a height adjusting component (21) and an angle overturning component (22), the height adjusting component (21) can be horizontally and slidably connected to the clamping component (11) on one side of the cutter clamping component (12), and the angle overturning component (22) is arranged on the height adjusting component (21) and can be lifted and lowered along the longitudinal height of the height adjusting component (21);

and the knife sharpening mechanism (3) is movably arranged on one side of the angle overturning component (22) close to the knife clamping component (12) and is used for sharpening the blade.

2. The fixed angle sharpener of claim 1, wherein: the clamping assembly (11) comprises:

the connecting plate (112) is arranged below the bottom plate (111) in parallel, and a connecting part (113) is fixedly connected between the same side ends of the bottom plate (111) and the connecting plate (112);

the connecting plate (112) is internally vertically screwed with a first screw (114), one end of the first screw (114) close to the bottom plate (111) is fixedly connected with a pressing plate (115), and one end far away from the bottom plate (111) is fixedly connected with a first rotating handle (116).

3. The constant angle sharpener of claim 2, wherein: the clamping knife assembly (12) comprises:

a mounting sleeve (121) fixedly connected to the bottom plate (111), wherein an opening of the mounting sleeve (121) faces the connecting part (113);

a pipe fitting (122) is further sleeved inside the mounting sleeve (121), a second screw (123) is screwed on the outer wall of the mounting sleeve (121), a second rotating handle (124) is fixedly connected to one end, far away from the mounting sleeve (121), of the second screw (123), and two accommodating grooves (125) capable of accommodating the end portions of the second screw (123) are symmetrically formed in the outer wall of the pipe fitting (122);

the end, far away from the mounting sleeve (121), of the pipe fitting (122) is fixedly connected with two parallel elastic pressing sheets (126), a hollow groove capable of clamping a blade is reserved between the two elastic pressing sheets (126), a locking bolt (127) is arranged, a thread section of the locking bolt penetrates through the two elastic pressing sheets (126) in sequence, and a locking nut (128) is connected in a threaded mode.

4. A fixed angle sharpener as claimed in claim 3, wherein: the height adjustment assembly (21) comprises:

the sliding groove (211) is arranged on the bottom plate (111) and is perpendicular to the mounting sleeve (121), and a sliding block (212) is connected in the sliding groove (211) in a sliding manner;

a third screw rod (213) is screwed on the end face, far away from the mounting sleeve (121), of the bottom plate (111), the thread section of the third screw rod (213) extends into the sliding groove (211) and is movably matched with an extrusion block (214), the extrusion block (214) abuts against one side of the sliding block (212), and a third rotating handle (215) is arranged at one end, far away from the extrusion block (214), of the third screw rod (213);

the top of slider (212) is installed pole setting (216) through the threaded connection cooperation, just the cover is equipped with movable sleeve (217) on the outer wall of pole setting (216), threaded connection has adjusting bolt (218) on the outer wall of movable sleeve (217), just the screw thread section butt of adjusting bolt (218) in on the outer wall of pole setting (216).

5. The constant angle sharpener of claim 4, wherein: the angle flipping assembly (22) comprises:

a connecting ring (221) hinged on the outer wall of the movable sleeve (217) through a hinge shaft and arranged opposite to the adjusting bolt (218), wherein a movable rod (222) penetrates through the connecting ring (221);

the outer wall of the movable rod (222) is in sliding fit with the inner circumferential wall of the connecting ring (221), and the knife sharpening mechanism (3) is detachably and fixedly connected to the end part of the movable rod (222).

6. The constant angle sharpener of claim 5, wherein: the sharpening mechanism (3) comprises:

the guide rod (31) is fixedly connected with a holding handle (32) at one end, a first connecting seat (33) is fixedly connected at the other end, and one end of the movable rod (222) is installed on the outer wall, away from the guide rod (31), of the first connecting seat (33) in a threaded connection matching mode;

a second connecting seat (34) is further arranged on the outer wall of the guide rod (31) in a sliding fit mode, and a return spring (35) is sleeved on the outer wall of the guide rod (31) between the second connecting seat (34) and the holding handle (32);

and at least one whetstone (36) is interposed between the first and second coupling seats (33, 34).

Images