CN216139741U

CN216139741U - Carving knife for jewelry design

Info

Publication number: CN216139741U
Application number: CN202122058346.5U
Authority: CN
Inventors: 林伟洲
Original assignee: Individual
Current assignee: Individual
Priority date: 2021-08-30
Filing date: 2021-08-30
Publication date: 2022-03-29
Anticipated expiration: 2031-08-30

Abstract

The utility model provides a graver for jewelry design, and belongs to the technical field of gravers. Including handle of a knife, brush portion, sword head lid, visor, the one end of handle of a knife is rotated and is connected with the sword head lid, the handle of a knife is close to the one end center of sword head lid and has seted up first thread groove, first thread groove female connection has the sword head portion, the inside logical groove of having seted up that runs through of sword head lid, the sword head portion includes mounting, connecting piece, tool bit, mounting and first thread groove threaded connection, the one end that the handle of a knife was kept away from to the mounting extends to the logical inslot portion of sword head lid, the one end threaded connection that the handle of a knife was kept away from to the mounting has the connecting piece, the top fixed mounting of connecting piece has the tool bit, the connecting piece includes cylinder portion, round platform. The novel electric hair brush is simple in structure, convenient for replacing the tool bit, capable of protecting hands from being scratched, convenient to use and operate and capable of improving working efficiency.

Description

Carving knife for jewelry design

Technical Field

The utility model provides a graver for jewelry design, and belongs to the technical field of gravers.

Background

The graver is a steel engraving tool with various tips, the rear part of the graver is provided with a wood handle, and the graver is usually round for the palm to take comfortably. The graver has an elliptic section and a rhombic section, and the top ends of the gravers are oblique points. The top end of the cutter with the rectangular cross section is an inclined surface and has a blunt shape, a round shape and a pointed shape. When the jewelry is designed, a designer often needs to hold a carving knife by hands to carve the jewelry.

Publication No.: CN212860924U discloses carving tool that jewelry design was used, including the handle of a knife, the one end of handle of a knife is rotated and is connected with the connecting rod, the connect the through hole has been seted up to the inside of connecting rod, the inside set up threaded hole of handle of a knife, the inside threaded connection of screw hole has the threaded rod, threaded rod one end is located the connect the through hole, threaded rod one end fixedly connected with stopper, stopper and connect the through hole's radial fixed connection endwise slip connection, the one end fixedly connected with fixed column of threaded rod is kept away from to the stopper, stopper one end fixedly connected with tool bit is kept away from to the fixed column. Through a handheld connecting rod, the handle is rotated to another hand, cooperates the inside screw hole of seting up of handle of a knife, and the handle of a knife drives the threaded rod and removes to the left side, and the threaded rod passes through the stopper and drives fixed column and tool bit and remove to the left side, shifts out the tool bit connecting rod or in the withdrawal connecting rod, avoids the tool bit to hinder the people, has improved the device's practicality.

But the utility model discloses a, the difficult tool bit that changes, and easy fish tail hand when changing, need take out the brush in addition and clean, clean the position that the back brush does not place, or take and install the brush in the handle of a knife once more, take out again when waiting to clean next time, so need install many times repeatedly, it is inconvenient to use.

SUMMERY OF THE UTILITY MODEL

The graver for jewelry design provided by the utility model has the advantages that the structure is simple, the tool bit is convenient to replace, the hand is protected from being scratched, in addition, the brush is convenient and fast to use, the operation is convenient, and the working efficiency is improved.

The graver comprises a handle, a brush part, a head cover and a protective cover, wherein the head cover is rotatably connected to one end of the handle, a first thread groove is formed in the center of one end, close to the head cover, of the handle, the head part is in threaded connection with the first thread groove, a through groove is formed in the head cover in a penetrating mode, the head part comprises a fixing part, a connecting part and a tool bit, the fixing part is in threaded connection with the first thread groove, one end, far away from the handle, of the fixing part extends into the through groove of the head cover, one end, far away from the handle, of the fixing part is in threaded connection with the connecting part, the tool bit is fixedly installed at the top end of the connecting part, the connecting part comprises a cylindrical part and a circular truncated cone, one end of the cylindrical part is fixedly connected with the circular truncated cone part, the protective cover is embedded in one end of the cylindrical part, and the circular truncated cone part is fixedly connected with the protective cover, The tool bit is located inside the visor, the hold up tank has been seted up to the other end of handle of a knife, the third thread groove has been seted up to the inboard of hold up tank, the inside threaded connection of third thread groove has brush portion, brush portion includes the brush holder to and install the brush on the brush holder, the externally mounted of handle of a knife has first antiskid cover and second antiskid cover, install first ring, second ring on first antiskid cover and the second antiskid cover respectively, the outer wall of mounting is located the inside stopper that is provided with of tool bit lid, the outer wall and the logical inslot wall fixed connection of stopper.

The one end of sword head lid is provided with the ring channel, the annular piece that agrees with the ring channel is installed to the one end that the handle of a knife is close to the sword head lid, the sword head lid is connected with the handle of a knife rotation through agreeing with of ring channel and annular piece.

The sections of the annular groove and the annular block are both T-shaped.

The diameter of the bottom end of the circular table part is larger than that of the cylindrical part.

And a second thread groove is formed in one end, far away from the cutter handle, of the fixing piece, and one end of the connecting piece is in threaded connection with the second thread groove.

And a thread ring matched with the second thread groove is arranged on the outer wall of one end of the connecting piece, which is close to the fixing piece.

The cylindrical part is provided with a clamping groove at one end close to the circular table part, one end of the protective cover is fixedly connected with a clamping block matched with the clamping groove, and the cylindrical part is embedded with the protective cover through the matching of the clamping groove and the clamping block.

And the outer wall of the fixing piece is provided with a thread ring matched with the first thread groove.

And the LED lamps are arranged at one end of the tool bit cover far away from the tool shank in an array mode.

The utility model has the beneficial effects that:

according to the utility model, the cutter head cover is held by hand, the cutter handle is screwed by the other hand, the cutter head moves towards the left side by utilizing the characteristic that the first thread groove is in threaded connection with the cutter head part, so that the cutter head moves out of the cutter head cover together with the protective cover, the protective cover can be moved out of the clamping groove by utilizing the characteristic that the protective cover is embedded in the cylindrical part, the protective cover is taken down, the cutter head is exposed, the use is convenient, meanwhile, by utilizing the characteristic that the third thread groove is in threaded connection with the brush part, the hand extends into the storage groove to screw the brush handle, the brush part moves towards the right side, the brush moves out of the storage groove, the cleaning is convenient, meanwhile, the thumb is inserted into the first ring, the forefinger is inserted into the second ring, the handle is convenient to grasp for carving, and meanwhile, the first anti-slip effect can be achieved, the gripping stability is enhanced, and the operation is convenient; after the carving and cleaning are finished, the protective cover is mounted on the cylindrical part by reutilizing the scarf joint characteristic of the protective cover and the cylindrical part, the handle is reversely screwed, the tool bit is contained in the tool bit cover, and the tool bit cover and the protective cover play a role in dual protection, so that the situation that a person is scratched by the tool bit when the carving knife falls can be avoided, and the situation that a hand is scratched by the tool bit when a child accidentally touches the tool bit in the carving knife can also be avoided, and meanwhile, the brush handle is manually and reversely screwed to drive the cat to be contained in the storage tank; when the tool bit needs to be replaced, the tool bit cover is held by a hand again, the handle is screwed by the other hand, the tool bit part is moved out of the tool bit cover, the connecting piece can be screwed by utilizing the characteristic of threaded connection of the connecting piece and the fixing piece, the connecting piece is communicated with the tool bit, the tool bit is taken down from one end of the fixing piece, and a new tool bit is replaced.

The multifunctional hand brush is practical and convenient, can protect hands, can not be scratched, is convenient for replacing the tool bit, is convenient and quick to use, does not need to be completely taken down for use, saves time, and improves the carving efficiency.

Drawings

Fig. 1 is a schematic diagram of the internal structure of a graver for jewelry design according to the present invention.

Fig. 2 is a schematic structural diagram of the appearance of the graver for designing jewelry.

FIG. 3 is a schematic side view of an LED lamp of a graver for jewelry design according to the present invention.

Fig. 4 is a partial enlarged view of a point A of the graver for designing jewelry.

Fig. 5 is a partial enlarged view of a point B of the graver for designing jewelry.

1. A knife handle; 2. a brush part; 3. a cutter head portion; 4. a tool bit cover; 5. a protective cover; 6. a first thread groove; 7. a fixing member; 8. a connecting member; 8.1, a cylindrical portion; 8.2, a circular table part; 9. a cutter head; 10. a storage tank; 11. a third thread groove; 12. a brush handle; 13. a brush; 14. an annular groove; 15. a ring block; 16. a second thread groove; 17. a card slot; 18. a clamping block; 19. a limiting block; 20. an LED lamp; 21. a first anti-slip cover; 22. a second anti-slip sleeve; 23. a first ring; 24. second finger ring

Detailed Description

The utility model will be further explained with reference to the drawings

According to the drawings 1-5, the graver for jewelry design provided by the utility model comprises a knife handle 1, a hairbrush part 2, a knife head part 3, a knife head cover 4 and a protective cover 5, wherein one end of the knife handle 1 is rotatably connected with the knife head cover 4, a first thread groove 6 is formed in the center of one end, close to the knife head cover 4, of the knife handle 1, the knife head part 3 is in threaded connection with the first thread groove 6, a through groove is formed in the knife head cover 4 in a penetrating manner, the knife head part 3 comprises a fixing part 7, a connecting part 8 and a knife head 9, the fixing part 7 is in threaded connection with the first thread groove 6, one end, far away from the knife handle 1, of the fixing part 7 extends into the through groove of the knife head cover 4, one end, far away from the knife handle 1, of the fixing part 7 is in threaded connection with the connecting part 8, the top end of the connecting part 8 is fixedly provided with the knife head 9, and the connecting part 8 comprises a cylindrical part 8.1, Round platform portion 8.2, the one end and the round platform portion 8.2 fixed connection of cylindrical portion 8.1, the one end scarf joint of cylindrical portion 8.1 has visor 5, round platform portion 8.2, tool bit 9 are located inside visor 5, hold up tank 10 has been seted up to the other end of handle of a knife 1, third thread groove 11 has been seted up to the inboard of hold up tank 10, the inside threaded connection of third thread groove 11 has brush portion 2, brush portion 2 includes brush holder 12 to and install brush 13 on brush holder 12, the externally mounted of handle of a knife 1 has first anti-skidding cover 21 and second anti-skidding cover 22, install first ring 23, second ring 24 on first anti-skidding cover 21 and the second antiskid cover 22 respectively, the outer wall of mounting 7 is located the inside stopper 19 that is provided with of handle of a knife lid 4, the logical groove and the inner wall fixed connection of stopper 19.

The cutter head cover is characterized in that an annular groove 14 is formed in one end of the cutter head cover 4, an annular block 15 matched with the annular groove 14 is installed at one end, close to the cutter head cover 4, of the cutter handle 1, and the cutter head cover 4 is rotatably connected with the cutter handle 1 through matching of the annular groove 14 and the annular block 15.

The sections of the annular groove 14 and the annular block 15 are T-shaped.

The diameter of the bottom end of the circular table part 8.2 is larger than that of the cylindrical part 8.1.

A second thread groove 16 is formed in one end, far away from the tool holder 1, of the fixing piece 7, and one end of the connecting piece 8 is in threaded connection with the second thread groove 16.

The outer wall of one end of the connecting piece 8 close to the fixing piece 7 is provided with a thread circle matched with the second thread groove 16.

A clamping groove 17 is formed in one end, close to the circular table portion 8.2, of the cylindrical portion 8.1, a clamping block 18 matched with the clamping groove 17 is fixedly connected to one end of the protective cover 5, and the cylindrical portion is embedded in the protective cover 5 through matching of the clamping groove 17 and the clamping block 18.

The outer wall of the fixing piece 7 is provided with a thread ring matched with the first thread groove 6.

And the LED lamps 20 are arranged at one end of the cutter head cover 4 far away from the cutter handle 1 in an array manner.

Working principle of the utility model

When the novel multifunctional screwdriver is used, the screwdriver head cover is held by one hand, the screwdriver handle is screwed by the other hand, the screwdriver head moves towards the left side by utilizing the characteristic that the first threaded groove is in threaded connection with the screwdriver head, so that the screwdriver head moves out of the screwdriver head cover together with the protective cover, the protective cover can be moved out of the clamping groove by utilizing the characteristic that the protective cover is embedded in the cylindrical part, the protective cover is taken down, the screwdriver head is exposed, the novel multifunctional screwdriver is convenient to use, meanwhile, the third threaded groove and the hairbrush part are in threaded connection, the hand extends into the storage groove to screw the hairbrush handle, the hairbrush part moves towards the right side, the hairbrush moves out of the storage groove, the cleaning is convenient, meanwhile, the thumb is inserted into the first ring, the forefinger is inserted into the second ring, the handle is convenient to grasp for carving, and meanwhile, the first anti-slip cover and the second anti-slip cover can be used, the grabbing stability is enhanced, and the operation is convenient; after the carving and cleaning are finished, the protective cover is mounted on the cylindrical part by reutilizing the scarf joint characteristic of the protective cover and the cylindrical part, the handle is reversely screwed, the tool bit is contained in the tool bit cover, and the tool bit cover and the protective cover play a role in dual protection, so that the situation that a person is scratched by the tool bit when the carving knife falls can be avoided, and the situation that a hand is scratched by the tool bit when a child accidentally touches the tool bit in the carving knife can also be avoided, and meanwhile, the brush handle is manually and reversely screwed to drive the cat to be contained in the storage tank; when the tool bit needs to be replaced, the tool bit cover is held by a hand again, the handle is screwed by the other hand, the tool bit part is moved out of the tool bit cover, the connecting piece can be screwed by utilizing the characteristic of threaded connection of the connecting piece and the fixing piece, the connecting piece is communicated with the tool bit, the tool bit is taken down from one end of the fixing piece, and a new tool bit is replaced.

The present invention and its embodiments have been described above, and the description is not intended to be limiting, and the drawings are only one embodiment of the present invention, and the actual structure is not limited thereto. In summary, those skilled in the art should appreciate that they can readily use the disclosed conception and specific embodiments as a basis for designing or modifying other structures for carrying out the same purposes of the present invention without departing from the spirit and scope of the utility model as defined by the appended claims.

Claims

1. An engraving knife for designing jewelry, which is characterized in that: comprises a knife handle (1), a brush part (2), a knife head part (3), a knife head cover (4) and a protective cover (5), wherein one end of the knife handle (1) is rotatably connected with the knife head cover (4), a first thread groove (6) is formed in the center of one end, close to the knife head cover (4), of the knife handle (1), the knife head part (3) is in threaded connection with the first thread groove (6), a through groove is formed in the knife head cover (4) in a penetrating manner, the knife head part (3) comprises a fixing part (7), a connecting part (8) and a knife head (9), the fixing part (7) is in threaded connection with the first thread groove (6), one end, far away from the knife handle (1), of the fixing part (7) extends into the through groove of the knife head cover (4), one end, far away from the knife handle (1), of the fixing part (7) is in threaded connection with the connecting part (8), and the top end of the connecting part (8) is fixedly provided with the knife head (9), connecting piece (8) include cylinder portion (8.1), round platform portion (8.2), the one end and round platform portion (8.2) fixed connection of cylinder portion (8.1), the one end of cylinder portion (8.1) has inlayed visor (5), round platform portion (8.2), tool bit (9) are located visor (5) inside, hold up tank (10) have been seted up to the other end of handle of a knife (1), third thread groove (11) have been seted up to the inboard of hold up tank (10), third thread groove (11) internal thread is connected with brush portion (2), brush portion (2) include brush holder (12) to and install brush (13) on brush holder (12), the externally mounted of handle of a knife (1) has first antiskid cover (21) and second antiskid cover (22), install first ring (23) on first antiskid cover (21) and the second antiskid cover (22) respectively, The second ring (24), the outer wall of mounting (7) is located that tool bit lid (4) is inside to be provided with stopper (19), the outer wall and the logical inslot wall fixed connection of stopper (19).

2. An engraving member for jewelry design according to claim 1, wherein: one end of the tool bit cover (4) is provided with an annular groove (14), one end of the tool bit (1) close to the tool bit cover (4) is provided with an annular block (15) matched with the annular groove (14), and the tool bit cover (4) is rotatably connected with the tool bit (1) through matching of the annular groove (14) and the annular block (15).

3. An engraving member for jewelry design according to claim 2, wherein: the sections of the annular groove (14) and the annular block (15) are both T-shaped.

4. An engraving member for jewelry design according to claim 1, wherein: the diameter of the bottom end of the circular table part (8.2) is larger than that of the cylindrical part (8.1).

5. An engraving member for jewelry design according to claim 1, wherein: and a second thread groove (16) is formed in one end, far away from the cutter handle (1), of the fixing piece (7), and one end of the connecting piece (8) is in threaded connection with the second thread groove (16).

6. An engraving member for jewelry design according to claim 5, wherein: and the outer wall of one end of the connecting piece (8) close to the fixing piece (7) is provided with a thread ring matched with the second thread groove (16).

7. An engraving member for jewelry design according to claim 1, wherein: a clamping groove (17) is formed in one end, close to the circular table portion (8.2), of the cylindrical portion (8.1), a clamping block (18) matched with the clamping groove (17) is fixedly connected to one end of the protective cover (5), and the cylindrical portion is embedded and connected with the protective cover (5) through matching of the clamping groove (17) and the clamping block (18).

8. An engraving member for jewelry design according to claim 1, wherein: the outer wall of the fixing piece (7) is provided with a thread ring matched with the first thread groove (6).

9. An engraving member for jewelry design according to claim 1, wherein: and the LED lamps (20) are arranged at one end of the cutter head cover (4) far away from the cutter handle (1) in an array manner.