Carving knife with knife head convenient to replace
By designing the grip structure and fixing ring structure, the problems of difficulty in replacing the engraving cutting head and unstable fixing are solved, and the rapid replacement and stable fixing of the cutting head are achieved, ensuring the quality of engraving and safety of use.
Patent Information
- Application Number
- CN202420571024.1
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-03-23
- Publication Date
- 2025-01-10
- Estimated Expiration
- Not applicable · inactive patent
AI Technical Summary
The existing carving knife head is difficult to replace and is unstable, resulting in uneven and smooth engraving lines.
A carving knife including a grip structure and a fixed collar structure is designed. The cutting head is conveniently replaced and secured through spiral holes, jacks, suction grooves and protective rope structures to ensure the consistency of the angle between the cutting head and the handle. , and improve operating comfort and safety through lightweight materials and counterweight fixing rings.
It realizes rapid replacement and stable fixation of the tool head, avoids the angle deviation between the tool head and the handle, improves the engraving quality and use safety, and reduces the risk of tool drop and damage.
Smart Images

Figure CN222329356U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the field of carving, in particular to a carving knife with a convenient replacement of the knife head. Background Art
[0002] A carving knife refers to various steel carving tools with a sharp tip and a wooden handle at the back. Some carving knives have an oval cross section, some have a diamond cross section, and the top is an oblique tip. The carving knives have various sizes and shapes. Whether the handle is curved or straight, it is convenient to use. At present, the blade heads of most existing carving knives are embedded in the handle of the carving knife, which makes it very troublesome for the staff to disassemble the blade head after the blade head is damaged. Moreover, after multiple replacements, the fixing of the blade head will be unstable and will deviate from the angle of the handle, resulting in the carving lines on the surface of the carving object not being smooth and smooth. Therefore, a carving knife with convenient replacement of the blade head is proposed. Utility Model Content
[0003] The main purpose of the utility model is to provide a carving knife with a convenient replacement of the knife head, which can effectively solve the problems in the background technology.
[0004] In order to achieve the above purpose, the technical solution adopted by the utility model is:
[0005] A carving knife with convenient tool head replacement comprises a handle structure, one end surface of the handle structure is fixedly connected to a fixed collar structure, the inner surface of the fixed collar structure is fixedly sleeved with a tool head structure, and one end surface of the handle structure is fixedly installed with a protective rope structure.
[0006] Preferably, the grip structure includes a handle, an anti-slip sleeve, a spiral hole, a socket, an iron-magnetic groove and a counterweight fixing ring. The surface of the handle is fixed with an anti-slip sleeve, one end surface of the handle is fixedly provided with a spiral hole, one end surface of the spiral hole is fixedly connected to the socket, one end surface of the socket is fixedly connected to the iron-magnetic groove, and the other end surface of the handle is fixedly installed with a counterweight fixing ring.
[0007] Preferably, the fixed ring structure includes a rotating ring, a docking joint, a slot, and a spiral head. One end surface of the rotating ring is fixedly connected to the docking joint, a slot is fixedly opened on the surface of the docking joint, and the other end surface of the rotating ring is fixedly connected to the spiral head.
[0008] Preferably, the tool head structure includes an insert rod, a limiting clamp ring, a carving head and a friction iron column, one end surface of the insert rod is fixedly connected to the limiting clamp ring, one end surface of the limiting clamp ring is fixedly connected to the carving head, and the other end surface of the insert rod is fixedly connected to the friction iron column.
[0009] Preferably, the protective rope structure comprises a connecting head, a hanging ring and a hand rope, the surface of the connecting head is fixedly provided with a hanging ring, and the surface of the hanging ring is fixedly provided with a hand rope.
[0010] Preferably, the spiral hole of the handle structure is installed and connected to the spiral head of the fixed ring structure, the docking joint of the fixed ring structure is connected to the rod sleeve of the cutter head structure, the limiting clamping ring is docked and fixed to the clamping groove, and the counterweight fixing ring of the handle structure is connected and installed to the connecting head of the protective rope structure.
[0011] Compared with the prior art, the utility model has the following beneficial effects:
[0012] The utility model discloses a carving knife with convenient replacement of the blade head. The blade head structure is conveniently fixed by a grip structure and a fixing ring structure. At the same time, the fixing strength and stability after repeated replacement can be guaranteed, and the internal hole will not expand, resulting in deviation of the angle between the blade head and the handle, thereby affecting the carving. The blade head structure is provided to facilitate connection and replacement, and at the same time, it cooperates with the iron-absorbing groove in the grip structure to make it more firm and tight. The insertion rod is made of lightweight material to reduce its weight so that the blade head and the counterweight fixing ring at the bottom are balanced, making the operation more comfortable for the user. The protection rope structure is provided to reduce the probability of the carving knife falling to the ground. When in use, the hand rope is put on the wrist to prevent the tool from falling off, thereby damaging the blade head and injuring the instep. BRIEF DESCRIPTION OF THE DRAWINGS
[0013] Figure 1 This is an overall schematic diagram of a carving knife with convenient tool head replacement according to the utility model;
[0014] Figure 2 This is a schematic diagram of the handle structure of a carving knife that is convenient for replacing the blade head according to the utility model;
[0015] Figure 3 This is a schematic diagram of a fixing collar structure of a carving knife that facilitates the replacement of the knife head according to the utility model;
[0016] Figure 4 This is a schematic diagram of the tool head structure of a carving knife that is convenient for replacing the tool head according to the utility model;
[0017] Figure 5 This is a schematic diagram of the protective rope structure of a carving knife that is convenient for replacing the knife head of the utility model;
[0018] In the figure: 1. Grip structure; 101. Handle; 102. Anti-slip sleeve; 103. Screw hole; 104. Plug hole; 105. Magnet groove; 106. Counterweight fixing ring; 2. Fixed ring structure; 201. Rotating ring; 202. Butt joint; 203. Slot; 204. Screw head; 3. Cutter head structure; 301. Insert rod; 302. Limiting clamp ring; 303. Cutter head; 304. Friction iron column; 4. Protective rope structure; 401. Connector; 402. Hanging ring; 403. Wrist rope. DETAILED DESCRIPTION
[0019] In order to make the technical means, creative features, objectives and effects achieved by the present invention easy to understand, the present invention is further described below in conjunction with specific implementation methods.
[0020] like Figure 1-5 As shown, a carving knife for conveniently replacing a blade head comprises a handle structure 1, one end surface of the handle structure 1 is fixedly connected to a fixed collar structure 2, an inner surface of the fixed collar structure 2 is fixedly sleeved with a blade head structure 3, and one end surface of the handle structure 1 is fixedly installed with a protective rope structure 4;
[0021] The grip structure 1 includes a handle 101, an anti-slip sleeve 102, a spiral hole 103, a socket 104, an iron-absorbing groove 105 and a counterweight fixing ring 106. The surface of the handle 101 is fixedly sleeved with an anti-slip sleeve 102, a spiral hole 103 is fixedly opened on one end surface of the surface of the handle 101, one end surface of the spiral hole 103 is fixedly connected to the socket 104, one end surface of the socket 104 is fixedly connected to the iron-absorbing groove 105, and the other end surface of the handle 101 is fixedly installed with a counterweight fixing ring 106; the fixed sleeve ring structure 2 includes a rotating ring 201, a docking head 202, a slot 203, and a spiral head 204, one end surface of the rotating ring 201 is fixedly connected to the docking head 202, the surface of the docking head 202 is fixedly opened with a slot 203, and the other end surface of the rotating ring 201 is fixedly connected to the spiral head 204; the blade structure 3 includes an insert rod 301 , a limiting snap ring 302, a carving head 303 and a friction iron column 304, one end surface of the insertion rod 301 is fixedly connected with a limiting snap ring 302, one end surface of the limiting snap ring 302 is fixedly connected with a carving head 303, and the other end surface of the insertion rod 301 is fixedly connected with a friction iron column 304; the protective rope structure 4 includes a connecting head 401, a hanging ring 402 and a hand rope 403, the surface of the connecting head 401 is fixedly provided with a hanging ring 402, and the surface of the hanging ring 402 is fixedly sleeved with a hand rope 403; the spiral hole 103 of the handle structure 1 is installed and connected with the spiral head 204 of the fixed ring structure 2, the docking head 202 of the fixed ring structure 2 is sleeved and connected with the insertion rod 301 of the cutter head structure 3, the limiting snap ring 302 is docked and fixed with the slot 203, and the counterweight fixing ring 106 of the handle structure 1 is connected and installed with the connecting head 401 of the protective rope structure 4.
[0022] It should be noted that the utility model is a carving knife with convenient replacement of the blade head. The blade head structure 3 can be conveniently fixed by the grip structure 1 and the fixed ring structure 2. At the same time, it can ensure the fixing strength and stability after repeated replacement, which will not cause the internal hole to expand, resulting in deviation in the angle between the blade head and the handle, thereby affecting the carving. The socket 104 and the iron-absorbing groove 105 connect the insertion rod 301 and the friction iron column to make them adsorbed tightly. The blade head structure 4 is easy to connect and replace, and at the same time cooperates with the iron-absorbing groove 105 in the grip structure 1 to make it more firm and tight. The insertion rod 301 is made of lightweight material to reduce its weight so that the blade head and the counterweight fixing ring 106 at the bottom can achieve balance, making the user's operation more comfortable. By setting the protective rope structure 4, the probability of the carving knife falling to the ground is reduced. When in use, the hand rope 403 is put on the wrist to prevent the tool from detaching, thereby damaging the blade head and injuring the instep. The entire device has a longer service life, is easy to disassemble, and is convenient for replacing the blade head, and provides a certain protection structure for the user.
[0023] The above shows and describes the basic principle and main features of the utility model and the advantages of the utility model. Those skilled in the art should understand that the utility model is not limited by the above embodiments. The above embodiments and descriptions are only for explaining the principle of the utility model. Without departing from the spirit and scope of the utility model, the utility model may have various changes and improvements, which fall within the scope of the utility model to be protected. The scope of protection claimed by the utility model is defined by the attached claims and their equivalents.
Claims
1. A carving knife with convenient replacement of the cutter head, characterized in that: The invention comprises a handle structure (1), one end surface of the handle structure (1) is fixedly connected to a fixed collar structure (2), the inner surface of the fixed collar structure (2) is fixedly sleeved with a blade structure (3), and one end surface of the handle structure (1) is fixedly mounted with a protective rope structure (4).
2. The engraving knife with convenient tool head replacement according to claim 1, characterized in that: The grip structure (1) comprises a handle (101), an anti-slip sleeve (102), a spiral hole (103), a plug hole (104), an iron-absorbing groove (105) and a counterweight fixing ring (106); the surface of the handle (101) is fixedly sleeved with the anti-slip sleeve (102); one end surface of the surface of the handle (101) is fixedly provided with a spiral hole (103); one end surface of the spiral hole (103) is fixedly connected to the plug hole (104); one end surface of the plug hole (104) is fixedly connected to the iron-absorbing groove (105); and the other end surface of the handle (101) is fixedly mounted with the counterweight fixing ring (106).
3. A carving knife with convenient tool head replacement according to claim 2, characterized in that: The fixed collar structure (2) comprises a rotating ring (201), a docking head (202), a slot (203), and a spiral head (204); one end surface of the rotating ring (201) is fixedly connected to the docking head (202); a slot (203) is fixedly provided on the surface of the docking head (202); and the other end surface of the rotating ring (201) is fixedly connected to the spiral head (204).
4. The engraving knife with convenient tool head replacement according to claim 3, characterized in that: The tool head structure (3) comprises an insert rod (301), a limiting snap ring (302), a cutting head (303) and a friction iron column (304); one end surface of the insert rod (301) is fixedly connected to the limiting snap ring (302); one end surface of the limiting snap ring (302) is fixedly connected to the cutting head (303); and the other end surface of the insert rod (301) is fixedly connected to the friction iron column (304).
5. The engraving knife with convenient tool head replacement according to claim 4, characterized in that: The protective rope structure (4) comprises a connecting head (401), a hanging ring (402) and a hand-wrapped rope (403); the surface of the connecting head (401) is fixedly provided with the hanging ring (402), and the surface of the hanging ring (402) is fixedly provided with the hand-wrapped rope (403).
6. The engraving knife with conveniently replaceable tool head according to claim 5, characterized in that: The spiral hole (103) of the grip structure (1) is connected and installed with the spiral head (204) of the fixed collar structure (2); the docking head (202) of the fixed collar structure (2) is sleeve-connected with the insertion rod (301) of the cutter head structure (3); the limiting clamping ring (302) is docked and fixed with the clamping groove (203); and the counterweight fixing ring (106) of the grip structure (1) is connected and installed with the connecting head (401) of the protective rope structure (4).