Novel circular hob structure

Through the double-force arm fork design and ball bearing bearing made of stainless steel, the existing round hobs are solved inadequate strength and smoothness when cutting soft materials, achieving higher strength and smoother cutting effects.

CN222986989UActive Publication Date: 2025-06-17HANGZHOU BAINONG HANDICRAFT CO LTD
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Patent Information

Application Number
CN202421950338.9
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-08-13
Publication Date
2025-06-17
Estimated Expiration
2034-08-13

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    Figure CN222986989U_ABST
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Abstract

The utility model discloses a novel circular hob structure which comprises a handle and a circular blade installed on the handle, the circular blade is connected to the handle through a double-force-arm front fork assembly, the double-force-arm front fork assembly and the handle are assembled through a center penetrating structure, and the handle and the double-force-arm front fork assembly are both made of stainless steel. Gaps are reserved between the circular blade and the inner sides of the two force arms of the double-force-arm front fork assembly, and the two sides of the middle of the circular blade are connected with the two force arms of the double-force-arm front fork assembly through ball bearings respectively. The front fork is made of stainless steel, the hardness is very high after heat treatment, the strength is enough and the manufacturing cost is relatively low due to the design of the double-force-arm front fork; a gap between the blade and the double force arms is large, so that the mucilage glue is prevented from being clamped in the gap; the ball bearing is used for bearing the joint of the double force arms and the blade, so that smoothness is achieved.
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Description

Technical Field

[0001] The utility model relates to a cutting tool, in particular to a novel structure of a circular hob. Background Art

[0002] At present, for relatively soft leather, paper, or foods such as cakes and pizzas, if it is easy to cut with a straight knife, it is easy to be pulled and deformed. Therefore, some circular hobs are usually used for cutting; however, the conventional circular hobs have the following defects:

[0003] 1. It is mostly made of materials such as plastics. The product itself has low strength, and the rigidity of plastic products is insufficient. Therefore, the gaps between components are very small, and the glue adhered by the blade when cutting other things is easy to get stuck in the gaps.

[0004] 2. Usually, it is supported by a single-force arm, and the fixing strength is insufficient.

[0005] 3. The rotational smoothness is insufficient. Content of the Utility Model

[0006] In order to solve the above-mentioned defects and deficiencies in the prior art, the utility model provides a novel structure of a circular hob which is made of stainless steel, has a very high hardness after heat treatment, adopts a double-force arm front fork design, has sufficient strength and relatively low manufacturing cost; the gap between the blade and the double-force arm is large, and it is not afraid of glue getting stuck in the gap; a ball bearing is used as a bearing at the connection between the double-force arm and the blade, making it smoother.

[0007] To achieve the above object, the utility model provides the following technical solution: A novel structure of a circular hob, wherein the circular blade is connected to the handle through a double-force arm front fork assembly. The double-force arm front fork assembly and the handle are assembled by a through-hole structure. Both the handle and the double-force arm front fork assembly are made of stainless steel. A gap is left between the circular blade and the inner sides of the two force arms of the double-force arm front fork assembly, and both sides of the middle part of the circular blade are respectively connected to the two force arms of the double-force arm front fork assembly through ball bearings.

[0008] The utility model is made of stainless steel, has a very high hardness after heat treatment, adopts a double-force arm front fork design, has sufficient strength and relatively low manufacturing cost; the gap between the blade and the double-force arm is large, and it is not afraid of glue getting stuck in the gap; a ball bearing is used as a bearing at the connection between the double-force arm and the blade, making it smoother.

[0009] Preferably, the double-force arm front fork assembly includes two handle connecting pieces and two force arms. One force arm is connected to each handle connecting piece, and the force arm and the handle connecting piece are integrally formed. The two handle connecting pieces are symmetrical to each other, and the two force arms are symmetrical to each other.

[0010] This structure ensures the firmness and reliability of the bifurcated structure of the double-force arm front fork assembly.

[0011] Preferably, the handle comprises two handle pieces that are symmetrical to each other, and the handle connecting piece is inserted between the two handle pieces and fixed by rivets or screws.

[0012] This structure facilitates the assembly of the handle on the one hand, and ensures the firmness of the connection between the double force arm fork rod and the handle on the other hand.

[0013] Preferably, an arc-shaped protection sheet is provided between the two force arms, a gap is left between the arc-shaped protection sheet and the circular blade, the top of the arc-shaped protection sheet is turned forward, and the bottom of the arc-shaped protection sheet is turned backward.

[0014] This structure can prevent the circular blade from damaging the hands and protect the hands well.

[0015] Preferably, a fixing plate is integrally formed at the rear end of the arc-shaped protective plate, a non-slip protrusion is provided at the top of the front end of the fixing plate, and the rear end of the fixing plate extends out between the two handle plates and is provided with a hanging hole.

[0016] This structure ensures a firm and reliable grip and makes it easy to hang the product.

[0017] Preferably, a limiting groove cooperating with the handle connecting plate and the fixing plate is provided on the inner side of the handle plate, the fixing plate is located between the two handle connecting plates, and the handle plate, the handle connecting plate and the fixing plate are provided with corresponding rivet or screw connecting holes.

[0018] This structure further ensures that the through-structure assembly of the handle and the double-arm front fork assembly is stable and reliable.

[0019] Preferably, the middle part of the circular blade is connected to the two force arms by a hand screw for adjusting the tightness of the circular blade and for disassembling and assembling the circular blade, the hand screw comprising a threaded section, a hand head and a smooth section located between the hand head and the threaded section, one of the force arms is provided with a first through hole matching the smooth section on the hand screw, the other force arm is provided with a threaded hole matching the threaded section on the hand screw, the middle part of the circular blade is provided with a second through hole matching the smooth section on the hand screw, and the middle part of the ball bearing is provided with a third through hole matching the smooth section on the hand screw.

[0020] This structure can better adjust the installation tightness of the circular blade and facilitate the disassembly and assembly of the circular blade.

[0021] Preferably, the thickness of the circular blade is 1-1.5 mm, and the gap between the two force arms is 2.5-3 mm.

[0022] The utility model is made of stainless steel, which has high hardness after heat treatment. The double-arm front fork design has sufficient strength and relatively low production cost. The gap between the blade and the double arm is large, and there is no need to worry about glue getting stuck in the gap. Ball bearings are used as the connection between the double arm and the blade, which is smoother. Brief Description of the Drawings

[0023] Figure 1 It is a schematic structural diagram of one angle of the present utility model;

[0024] Figure 2 It is an exploded view of the present utility model;

[0025] Figure 3 It is a schematic structural diagram of another angle of the present utility model;

[0026] Figure 4 It is an unfolded schematic diagram of the present utility model;

[0027] In the figure: 1. handle, 2. circular blade, 3. double-force-arm front fork assembly, 4. ball bearing, 5. rivet, 6. arc protection piece, 7. anti-slip protrusion, 8. hanging hole, 9. limiting groove, 10. hand-tightening screw, 11. first through hole, 12. second through hole, 13. threaded hole, 14. fixing piece, 15. force arm, 16. handle connecting piece, 17. third through hole. Detailed Description of the Preferred Embodiment

[0028] Next, the technical solutions in the embodiments of the present utility model will be clearly and completely described in conjunction with 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 of the embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative efforts shall fall within the protection scope of the present utility model.

[0029] In the description of the present utility model, it should be noted that the orientation or positional relationship indicated by the terms "upper", "lower", "inner", "outer", "front end", "rear end", "both ends", "one end", "the other end", etc. is based on the orientation or positional relationship shown in the drawings, and is only for the convenience of describing the present utility model and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be construed as a limitation of the present utility model. In addition, the terms "first" and "second" are only used for descriptive purposes and cannot be construed as indicating or implying relative importance.

[0030] In the description of the present utility model, it should be noted that unless otherwise clearly specified and limited, the terms "installed", "provided with", "connected", etc. should be understood in a broad sense. For example, "connected" can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be directly connected or indirectly connected through an intermediate medium, and it can be the internal communication of 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 circumstances.

[0031] Example 1

[0032] As Figures 1-4 shown, a new type of circular hob structure includes a handle 1 and a circular blade 2 mounted on the handle 1. The circular blade 2 is connected to the handle 1 through a double-armed front fork assembly 3. The double-armed front fork assembly 3 and the handle 1 are assembled using a through-hole structure. Both the handle 1 and the double-armed front fork assembly 3 are made of stainless steel. There is a gap between the circular blade 2 and the inner sides of the two arms of the double-armed front fork assembly 3. The two sides of the middle part of the circular blade 2 are respectively connected to the two arms of the double-armed front fork assembly 3 through ball bearings 4. The double-armed front fork assembly 3 includes two handle connecting pieces 16 and two arms 15. One arm is connected to each handle connecting piece, and the arm 15 and the handle connecting piece 16 are integrally formed. The two handle connecting pieces are symmetrical to each other, and the two arms are symmetrical to each other. The handle 1 includes two symmetrical handle pieces. The handle connecting piece 16 is inserted between the two handle pieces and fixed by a rivet 5. An arc-shaped protective piece 6 is provided between the two arms. There is a gap between the arc-shaped protective piece 6 and the circular blade 2. The top of the arc-shaped protective piece 6 is turned forward, and the bottom of the arc-shaped protective piece 6 is turned backward. A fixing piece 14 is integrally formed at the rear end of the arc-shaped protective piece 6. An anti-slip protrusion 7 is provided at the top of the front end of the fixing piece 14. The rear end of the fixing piece 14 extends out between the two handle pieces and is provided with a hanging hole 8. A limiting groove 9 for cooperating with the handle connecting piece 16 and the fixing piece 14 is provided on the inner side of the handle piece. The fixing piece 14 is located between the two handle connecting pieces. Corresponding rivet connection holes are provided on the handle piece, the handle connecting piece 16, and the fixing piece 14. The middle part of the circular blade 2 is also connected to the two arms through a hand-tightening screw 10 for adjusting the tightness of the circular blade 2 and for disassembling and assembling the circular blade 2. The hand-tightening screw 10 includes a threaded section, a hand-tightening head, and a smooth section located between the hand-tightening head and the threaded section. A first through-hole 11 for cooperating with the smooth section on the hand-tightening screw is provided on one of the arms. A threaded hole 13 for cooperating with the threaded section on the hand-tightening screw is provided on the other arm. A second through-hole 12 for cooperating with the smooth section on the hand-tightening screw is provided in the middle part of the circular blade 2. A third through-hole 17 for cooperating with the smooth section on the hand-tightening screw is provided in the middle part of the ball bearing 4.

[0033] Example 2

[0034] The thickness of the circular blade 2 is 1 - 1.5 mm, and the gap between the two arms is 2.5 - 3 mm.

[0035] Finally, it should be noted that the above are only the preferred embodiments of the present utility model and are not used to limit the present utility model. Although the present utility model has been described in detail with reference to the foregoing embodiments, those skilled in the art can still modify the technical solutions recorded in the foregoing embodiments or perform equivalent replacements for some of the technical features. Any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present utility model shall be included within the protection scope of the present utility model.

Claims

1. A novel circular hob structure, comprising a handle and a circular blade mounted on the handle, characterized in that: The circular blade is connected to the handle through a double-arm front fork assembly. The double-arm front fork assembly and the handle are assembled using a through-structure. The handle and the double-arm front fork assembly are both made of stainless steel. A gap is left between the circular blade and the inner sides of the two lever arms of the double-arm front fork assembly, and the middle sides of the circular blade are connected to the two lever arms of the double-arm front fork assembly through ball bearings.

2. A novel circular hob structure according to claim 1, characterized in that: The double-lever front fork assembly comprises two handle connecting plates and two lever arms, each handle connecting plate is connected to a lever arm, and the lever arm and the handle connecting plate are integrally formed, the two handle connecting plates are symmetrical to each other, and the two lever arms are symmetrical to each other.

3. A novel circular hob structure according to claim 2, characterized in that: The handle comprises two handle pieces that are symmetrical to each other, and the handle connecting piece is inserted between the two handle pieces and fixed by rivets or screws.

4. A novel circular hob structure according to claim 3, characterized in that: An arc-shaped protection sheet is arranged between the two force arms, a gap is left between the arc-shaped protection sheet and the circular blade, the top of the arc-shaped protection sheet is turned forward, and the bottom of the arc-shaped protection sheet is turned backward.

5. A novel circular hob structure according to claim 4, characterized in that: A fixing plate is integrally formed at the rear end of the arc-shaped protection plate, a non-slip protrusion is arranged on the top of the front end of the fixing plate, and the rear end of the fixing plate extends out between the two handle plates and is provided with a hanging hole.

6. A novel round cutter structure according to claim 5, characterized in that: The inner side of the handle piece is provided with a limiting groove matching the handle connecting piece and the fixing piece, the fixing piece is located between the two handle connecting pieces, and the handle piece, the handle connecting piece and the fixing piece are provided with corresponding rivet or screw connection holes.

7. A novel round cutter structure according to claim 6, characterized in that: The middle part of the circular blade is also connected to the two force arms by a hand screw for adjusting the tightness of the circular blade and for disassembling the circular blade. The hand screw includes a threaded section, a hand head, and a smooth section located between the hand head and the threaded section. One of the force arms is provided with a first through hole that matches the smooth section on the hand screw, and the other force arm is provided with a threaded hole that matches the threaded section on the hand screw. The middle part of the circular blade is provided with a second through hole that matches the smooth section on the hand screw, and the middle part of the ball bearing is provided with a third through hole that matches the smooth section on the hand screw.

8. The novel circular hob structure according to claim 2 is characterized in that: The thickness of the circular blade is 1-1.5 mm, and the gap between the two force arms is 2.5-3 mm.