CN209903000U - A single crystal manual sharpener - Google Patents

Abstract

The utility model discloses a single crystal manual knife sharpener, comprising a handle, a base, a positioning lock, and a knife clamping block, the base being provided with a second through hole, one end of the handle being inserted into the second through hole, the handle being connected to the base by a screw, and the central axis of the screw being perpendicular to the central axis of the second through hole; the other end of the handle being provided with a first through hole, a limit block, and a circular plate, the side wall of the first through hole being provided with a thread, the bottom end of the limit block being inserted into the through hole, the limit block being threadedly matched with the first through hole, the circular plate being coaxially arranged on the top surface of the limit block, the circular plate being fixed to the limit block by screws, the top surface of the circular plate being provided with a first protrusion, and a notch being provided on one side of the first protrusion; one end of the positioning lock being provided with a second protrusion, the second protrusion being inserted into the notch of the first protrusion, the first protrusion being fixed to the second protrusion by screws, the other end of the positioning block being provided with a cavity, the top end of the cavity being provided with an upper positioning block, the upper positioning block being threadedly matched with the side wall of the cavity.

Description

A single crystal manual sharpener

technical field

The utility model relates to the field of sharpeners, in particular to a single crystal manual sharpener.

Background technique

After a long period of use, the sharp edge of the cutting tool will be naturally worn away, and passivation will occur. If it continues to be used after passivation, it will affect the machining accuracy of the machined sheet, and the existing The way of sharpening the knife is generally carried out by the technician holding the knife on a high-speed rotating knife sharpener, or using some kind of on-site fixture to clamp the knife and then sharpen the knife. Although the sharpness and accuracy of the knife edge can be restored in this way, but There is a risk of being ground on the hands of the technicians, and the on-site fixture is too limited to hold different types of tools. Therefore, a single crystal manual sharpener is proposed.

Utility model content

In order to overcome the above-mentioned shortcomings, the present invention aims to provide a technical solution that can solve the above-mentioned problems.

A single crystal manual knife sharpener comprises a handle, a base, a positioning lock and a knife clamping block.

The base is provided with a second through hole, one end of the handle is inserted into the second through hole, the handle is connected with the base by a screw, and the central axis of the screw is perpendicular to the central axis of the second through hole; The other end is provided with a first through hole, a limit block and a circular plate, the side wall of the first through hole is provided with threads, the bottom end of the limit block is inserted into the first through hole, and the limit block is threadedly matched with the first through hole , the circular plate is coaxially arranged on the top surface of the limit block, the circular plate is fixed with the limit block by screws, the top surface of the circular plate is provided with a first convex block, and one side of the first convex block is provided with a gap ; One end of the positioning lock is provided with a second bump, the second bump is inserted into the notch of the first bump, the first bump is fixed with the second bump by a screw, and the other end of the positioning lock is provided with Cavity, the top of the cavity is provided with an upper positioning block, the upper positioning block is threaded with the side wall of the cavity, the bottom end of the cavity is provided with a first lower positioning block, and the first lower positioning block is connected to the side of the cavity. The walls are threaded, and the front end of the cavity is provided with a third through hole; the knife clamping block is provided at the front end of the positioning lock, and one side of the knife clamping block is provided with a round rod and a connecting block, and the connecting block is provided with The fourth through hole for the round rod to be inserted, the connecting block is fixed on the clamping block by a screw, and the central axis of the screw is perpendicular to the central axis of the fourth through hole, and one end of the connecting block is provided with a third protrusion, the first There is a fifth through hole on the three protrusions. After the fifth through hole is aligned with the third through hole on the positioning lock, the third hexagon socket head screw passes through the fifth through hole and the third through hole, so that the clamping block and the third through hole are The positioning lock is connected, the knife clamping block is also provided with a knife slot, one side of the knife slot is provided with a screw, and the central axis of the screw is perpendicular to the slot of the knife slot.

Preferably, the bottom of the first lower positioning block is coaxially provided with a second lower positioning block, the first lower positioning block and the second lower positioning block are connected by a second inner hexagon screw, and the middle of the second inner hexagon screw is The shaft is collinear with the central axis of the first positioning block, and the second inner hexagon screw is screwed with the side wall of the first lower positioning block.

Preferably, the top end of the second socket head cap screw is provided with a universal ball head.

Preferably, the top end of the third socket head cap screw is provided with a round buckle, and the top end of the third socket head cap screw is further provided with a circular slot for inserting the round buckle.

Preferably, a recess is provided on the base, rollers are provided on both sides of the recess, the roller is coaxially threaded with a first hexagon socket head screw, and the front end of the first hexagon socket head screw is provided with threads, which are threaded with the threads on both sides of the recess. In cooperation, the roller is arranged on the middle end of the first hexagon socket head screw, and the roller wheel is in rolling fit with the middle end of the first hexagon socket head screw.

Compared with the prior art, the beneficial effects of the present utility model are as follows: the utility model has novel structure and simple operation, utilizes a single crystal manual knife sharpener, and the positioning lock and the connecting block are connected by a third inner hexagon screw, which can The angle between the clamping block and the sharpening machine can be adjusted, and the round rod of the clamping block and the fourth through hole of the connecting block can be rotated to adjust the angle between the cutter and the grinding blade. Push and pull the handle while sharpening the knife.

Additional aspects and advantages of the invention will be set forth, in part, from the following description, and in part will be apparent from the following description, or learned by practice of the invention.

Description of drawings

In order to more clearly illustrate the embodiments of the present utility model or the technical solutions in the prior art, the following briefly introduces the accompanying drawings that need to be used in the description of the embodiments or the prior art. Obviously, the accompanying drawings in the following description These are just some embodiments of the present invention, and for those of ordinary skill in the art, other drawings can also be obtained from these drawings without any creative effort.

Fig. 1 is the schematic diagram of a kind of single crystal manual sharpener;

Figure 2 is an exploded view of a single crystal manual sharpener;

As shown in the picture: 1. Grip, 2. Base, 3. Positioning lock, 4. Clamping block, 10. First through hole, 11. Limit block, 12. Round plate, 13. First bump, 14. Notch, 20, Second through hole, 21, Notch, 22, Roller, 23, First socket head cap screw, 30, Cavity, 31, Upper positioning block, 32, Second bump, 33, Third Through hole, 34, first lower positioning block, 35, second lower positioning block, 36, second socket head cap screw, 37, universal ball head, 38, round buckle, 39, third socket head cap screw, 390, round Card slot, 40, card knife slot, 41, round rod, 42, connecting block, 43, fourth through hole, 44, fifth through hole, 45, third bump.

Detailed ways

The technical solutions in the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model. Obviously, the described embodiments are only a part of the embodiments of the present utility model, rather than all the implementations. example. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without creative work fall within the protection scope of the present invention.

Referring to FIGS. 1-2 , in an embodiment of the present invention, a single crystal manual sharpener includes a handle 1 , a base 2 , a positioning lock 3 , and a knife clamping block 4 .

The base 2 is provided with a second through hole 20 , one end of the handle 1 is inserted into the second through hole 20 , the handle 1 is connected with the base 2 by screws, and the central axis of the screw is connected to the central axis of the second through hole 20 . Vertical; the other end of the handle 1 is provided with a first through hole 10, a limit block 11, and a circular plate 12, the side wall of the first through hole 10 is provided with threads, and the bottom end of the limit block 11 is inserted into the first through hole 10. In the hole 10 , the limit block 11 is screwed with the first through hole 10 , the circular plate 12 is coaxially arranged on the top surface of the limit block 11 , and the circular plate 12 is fixed to the limit block 11 by screws. The top surface of 12 is provided with a first protrusion 13, and one side of the first protrusion 13 is provided with a notch 14; one end of the positioning lock 3 is provided with a second protrusion 32, and the second protrusion 32 is inserted into the first protrusion In the notch 14 of 13, the first bump 13 is fixed with the second bump 32 by screws, the other end of the positioning lock 3 is provided with a cavity 30, and the top of the cavity 30 is provided with an upper positioning block 31, which is positioned at the top. The block 31 is threadedly engaged with the side wall of the cavity 30 , the bottom end of the cavity 30 is provided with a first lower positioning block 34 , and the first lower positioning block 34 is threadedly engaged with the side wall of the cavity 30 . The front end is provided with a third through hole 33; the clamping block 4 is provided at the front end of the positioning lock 3, and one side of the clamping block 4 is provided with a round rod 41 and a connecting block 42, and the connecting block 42 is provided with a The fourth through hole 43 into which the round rod 41 is inserted, the connecting block 42 is fixed on the clamping block 4 by screws, and the central axis of the screw is perpendicular to the central axis of the fourth through hole 43, and one end of the connecting block 42 is provided with a first Three bumps 45, the third bump 45 is provided with a fifth through hole 44, after the fifth through hole 44 is aligned with the third through hole 33 on the positioning lock 3, the third socket head cap screw 39 passes through the fifth through hole 44. After the third through hole 33, the clamping block 4 is connected with the positioning lock 3. The clamping block 4 is also provided with a clamping slot 40, and one side of the clamping slot 40 is provided with a screw, and the central axis of the screw is provided. It is perpendicular to the notch of the blade slot 40 .

Preferably, the bottom of the first lower positioning block 34 is coaxially provided with a second lower positioning block 35, the first lower positioning block 34 and the second lower positioning block 35 are connected by a second socket head cap screw 36, and the second The central axis of the socket head cap screw 36 is collinear with the central axis of the first positioning block 34 , and the second socket head cap screw 36 is threadedly engaged with the side wall of the first lower positioning block 34 .

Preferably, the top end of the second socket head cap screw 36 is provided with a universal ball head 37, so that the connecting block 42 is easier to rotate.

Preferably, the top end of the third socket head cap screw 39 is provided with a round buckle 38 , and the top end of the third socket head cap screw 39 is further provided with a circular slot 390 into which the round buckle 38 is inserted.

Preferably, the base 2 is provided with a notch 21, the two sides of the notch 21 are provided with rollers 22, the roller 22 is coaxially threaded with a first socket head screw 23, and the front end of the first socket head screw 23 is provided with threads, Fitted with threads on both sides of the recess 21 , the roller 22 is arranged on the middle end of the first socket head screw 23 , and the roller 22 is in rolling fit with the middle end of the first socket head screw 23 .

It will be apparent to those skilled in the art that the present invention is not limited to the details of the above-described exemplary embodiments, and that the present invention may be implemented in other specific forms without departing from the spirit or essential characteristics of the present invention. Therefore, the embodiments are to be considered in all respects as exemplary and not restrictive, and the scope of the present invention is defined by the appended claims rather than the foregoing description, and it is therefore intended that the All changes within the meaning and range of the required equivalents are embraced within the present invention. Any reference signs in the claims shall not be construed as limiting the involved claim.

Claims (5)

1. A single crystal manual knife sharpener comprises a handle, a base, a positioning lock and a knife clamping block, and is characterized in that a second through hole is formed in the base, one end of the handle is inserted into the second through hole, the handle is connected with the base through a screw, and the central axis of the screw is perpendicular to the central axis of the second through hole; the handle is characterized in that a first through hole, a limiting block and a circular plate are arranged at the other end of the handle, threads are arranged on the side wall of the first through hole, the bottom end of the limiting block is inserted into the first through hole, the limiting block is in threaded fit with the first through hole, the circular plate is coaxially arranged on the top surface of the limiting block, the circular plate is fixed with the limiting block through screws, a first convex block is arranged on the top surface of the circular plate, and a notch is formed in one side of the; a second bump is arranged at one end of the positioning lock, the second bump is inserted into a notch of the first bump, the first bump is fixed with the second bump through a screw, a cavity is arranged at the other end of the positioning lock, an upper positioning block is arranged at the top end of the cavity, the upper positioning block is in threaded fit with the side wall of the cavity, a first lower positioning block is arranged at the bottom end of the cavity, the first lower positioning block is in threaded fit with the side wall of the cavity, and a third through hole is arranged at the front end of the cavity; the utility model discloses a positioning lock, including the location lock, the location lock is connected with the centre shaft of screw, the front end of location lock is located to the double-layered sword piece, and one side of double-layered sword piece is equipped with round bar, connecting block, be equipped with on the connecting block and supply round bar male fourth through-hole, the connecting block passes through the screw fixation on the double-layered sword piece, and the axis of screw is perpendicular with the axis of fourth through-hole, the one end of connecting block is equipped with the third lug, is equipped with the fifth through-hole on the third lug, and after the third through-hole aligns with the third through-hole on the location lock, third allen cap screw passed fifth through-hole, third through-hole for double-layered sword piece is connected with the location lock, still be equipped with card sword groove.

2. The manual sharpener of claim 1, wherein a second lower locating block is coaxially disposed at the bottom of the first lower locating block, the first lower locating block and the second lower locating block are connected by a second hexagon socket screw, the center axis of the second hexagon socket screw is collinear with the center axis of the first locating block, and the second hexagon socket screw is in threaded engagement with the side wall of the first lower locating block.

3. A single crystal hand sharpener according to claim 2 wherein the top end of said second socket head cap screw is provided with a ball joint.

4. The manual sharpener of claim 1, wherein the third socket head cap screw has a circular button at the top end, and a circular slot for the circular button to insert into.

5. The manual sharpener of claim 1, wherein the base has a notch, rollers are disposed on two sides of the notch, the rollers are coaxially threaded with a first socket head cap screw, the front end of the first socket head cap screw is threaded to mate with the threads on two sides of the notch, the rollers are disposed at the middle end of the first socket head cap screw, and the rollers are in rolling fit with the middle end of the first socket head cap screw.

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