Improved knife hook assembly

The improved knife and hook assembly with modular design solves the problems of structural stability and inconvenient maintenance of traditional knife and hook assemblies, enabling quick disassembly and replacement, and improving knitting efficiency and finished product quality.

CN224172983UActive Publication Date: 2026-04-28BAILONG (ZHANGZHOU) MACHINERY CO LTD
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
BAILONG (ZHANGZHOU) MACHINERY CO LTD
Filing Date
2025-06-23
Publication Date
2026-04-28

AI Technical Summary

Technical Problem

Traditional knife and hook assemblies suffer from insufficient structural stability, poor cutting accuracy, and inconvenient maintenance. Furthermore, the jacquard function has poor linkage with the main machine, making it difficult to meet the diverse needs of knitting processes.

Method used

An improved knife hook assembly is designed, which adopts a modular structure and enables quick disassembly and installation of components through auxiliary fixing sleeves and fixing bolts, thereby enhancing assembly stability, reducing shaking during high-speed operation, and improving knitting efficiency and finished product quality.

Benefits of technology

It enables quick disassembly and replacement of the knife and hook assembly, enhances the assembly stability of the components, improves knitting efficiency and finished product quality, and combines structural compactness with process flexibility.

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Abstract

The utility model relates to the technical field of knitting parts, and discloses an improved knife hook assembly which comprises a body, the top end of the body is provided with a hook needle, the inner end is provided with an inner groove, the upper section of the surface is provided with a knife needle mounting hole, the upper section of the inner groove is provided with a knife needle, the surface of the knife needle is provided with a first mounting hole, the top end is provided with a first knife edge and a second knife edge, and the middle section of the right end is connected with a first needle butt. A second needle butt is connected to the center of the right end of the jacquard needle, a second mounting hole is formed in the top end of the surface, a first auxiliary fixing sleeve and a second auxiliary fixing sleeve are arranged on the surface of the main body, and fixing bolts are arranged on the surfaces of the first auxiliary fixing sleeve and the second auxiliary fixing sleeve; according to the utility model, the modular assembly and disassembly are realized, the parts are convenient to maintain and replace, the assembly stability is enhanced, the knitting efficiency and quality are improved, and the structure compactness and the process flexibility are both realized.
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Description

Technical Field

[0001] This utility model relates to the field of knitting component technology, specifically to an improved knife and hook assembly. Background Technology

[0002] The knife-hook assembly is a type of knitting needle product widely used in computerized jacquard machines capable of producing pile structures. The knife-hook assembly includes a hook needle and a knife needle. The hook needle is used to hook and knit yarn. In the field of knitting component technology, traditional knife-hook assemblies have problems such as insufficient structural stability, poor cutting accuracy, and inconvenient maintenance. In addition, the jacquard function has poor linkage with the main machine, making it difficult to meet the diverse knitting process requirements.

[0003] Most existing knitting knife and hook assemblies are designed as a single unit. When a component is damaged, the entire component needs to be removed from the machine for replacement or repair. This method is inconvenient and costly. There is an urgent need for an improved knife and hook assembly with optimized structure and integrated functions. Utility Model Content

[0004] The purpose of this invention is to provide an improved knife and hook assembly to solve the problems mentioned in the background art.

[0005] To achieve the above objectives, this utility model provides the following technical solution: an improved knife and hook assembly, comprising a main body, a hook needle at the top of the main body, an inner groove at the inner end of the main body, a knife needle mounting hole at the upper part of the main body surface, a knife needle mounted in the upper part of the inner groove, a first mounting hole on the surface of the knife needle, a first cutting edge at the top of the knife needle, a second cutting edge at the top of the knife needle, a first needle heel fixedly connected to the middle section of the right end of the knife needle, a jacquard needle mounting hole at the lower part of the main body surface, a jacquard needle mounted in the lower part of the inner groove, a second needle heel fixedly connected to the center of the right end of the jacquard needle, a second mounting hole at the top of the surface of the jacquard needle, and a first auxiliary fixing... The improved knife and hook assembly features a second auxiliary fixing sleeve on the lower section of the main body surface. Fixing bolts are provided on the surfaces of both the first and second auxiliary fixing sleeves. This modular design allows for easy installation and disassembly, enabling quick disassembly for replacement and maintenance. When a component is damaged, the entire assembly does not need to be replaced; simply disassembling the corresponding first or second auxiliary fixing sleeve allows for quick replacement of the knife needle or jacquard needle. The assembly is secured by the first and second auxiliary fixing sleeves and fixing bolts, enhancing component assembly stability and reducing shaking during high-speed operation. The overall design improves knitting efficiency and finished product quality, combining structural compactness with process flexibility.

[0006] Preferably, the hook is vertically fixed to one end of the main body, and the hook and the main body are an integrated structure.

[0007] Preferably, the inner groove is located in the middle of the main body and has a through-type elongated structure for accommodating knitting raw materials.

[0008] Preferably, the needle mounting hole is the same size as the first mounting hole, and the jacquard needle mounting hole is the same size as the second mounting hole.

[0009] Preferably, the jacquard needle is riveted to the jacquard needle mounting hole through the second mounting hole, and the second needle heel protrudes from the side of the main body for cooperation with the jacquard mechanism of the knitting machine.

[0010] Preferably, the cutting needle is installed through a cutting needle mounting hole, a first mounting hole, a first auxiliary fixing sleeve, and a fixing bolt, and the jacquard needle is installed through a jacquard needle mounting hole, a second mounting hole, a first auxiliary fixing sleeve, and a fixing bolt.

[0011] Compared with the prior art, this utility model provides an improved knife and hook assembly, which has the following beneficial effects:

[0012] This improved knife and hook assembly features modular installation and disassembly, allowing for quick disassembly for replacement and maintenance. When a component is damaged, the entire assembly does not need to be replaced; simply removing the corresponding first or second auxiliary fixing sleeve allows for quick replacement of the knife needle or jacquard needle. The assembly is secured by the first and second auxiliary fixing sleeves and fixing bolts, enhancing component assembly stability and reducing shaking during high-speed operation. The overall design improves knitting efficiency and finished product quality, combining compact structure with process flexibility. Attached Figure Description

[0013] To more clearly illustrate the technical solutions in the embodiments of this utility model, the drawings used in the description of the embodiments will be briefly introduced below. Obviously, the drawings described below are only some embodiments of this utility model. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort.

[0014] Figure 1 This is a schematic diagram of the overall structure of this utility model;

[0015] Figure 2 This is a schematic diagram of the first auxiliary fixing sleeve of the present invention.

[0016] Figure 3 This is a schematic diagram of the overall structure of this utility model separated from the rest.

[0017] In the diagram: 1. Main body; 2. Crochet hook; 3. Inner groove; 4. Knife needle mounting hole; 5. Knife needle; 51. First mounting hole; 52. First cutting edge; 53. Second cutting edge; 6. First needle heel; 7. Jacquard needle mounting hole; 8. Jacquard needle; 81. Second needle heel; 82. Second mounting hole; 9. First auxiliary fixing sleeve; 91. Second auxiliary fixing sleeve; 92. Fixing bolt. Detailed Implementation

[0018] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0019] In this utility model, unless otherwise explicitly specified and limited, the terms "installation," "connection," "joining," and "fixing," etc., should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral part; they can refer to a mechanical connection or an electrical connection; they can refer to a direct connection or an indirect connection through an intermediate medium; they can refer to the internal communication of two components or the interaction between two components. Those skilled in the art can understand the specific meaning of the above terms in this utility model according to the specific circumstances.

[0020] This utility model provides the following technical solution: Example 1

[0021] Please see Figure 1-3 An improved knife and hook assembly includes a main body 1, a hook 2 at the top of the main body 1, an inner groove 3 at the inner end of the main body 1, a knife needle mounting hole 4 at the upper part of the surface of the main body 1, a knife needle 5 installed in the upper part of the inner groove 3, a first mounting hole 51 on the surface of the knife needle 5, a first cutting edge 52 at the top of the knife needle 5, a second cutting edge 53 at the top of the knife needle 5, a first needle heel 6 fixedly connected to the middle part of the right end of the knife needle 5, a jacquard needle mounting hole 7 at the lower part of the surface of the main body 1, a jacquard needle 8 installed in the lower part of the inner groove 3, a second needle heel 81 fixedly connected to the center of the right end of the jacquard needle 8, a second mounting hole 82 at the top of the surface of the jacquard needle 8, a first auxiliary fixing sleeve 9 on the surface of the main body 1, a second auxiliary fixing sleeve 91 on the lower part of the surface of the main body 1, and fixing bolts 92 on the surfaces of the first auxiliary fixing sleeve 9 and the second auxiliary fixing sleeve 91.

[0022] The crochet hook 2 is vertically fixed to one end of the main body 1, and the crochet hook 2 and the main body 1 are an integrated structure;

[0023] The inner groove 3 is located in the middle of the main body 1 and has a through-type long strip structure, which is used to hold knitting raw materials;

[0024] The knife needle mounting hole 4 is the same size as the first mounting hole 51, and the jacquard needle mounting hole 7 is the same size as the second mounting hole 82;

[0025] The jacquard needle 8 is riveted and fixed to the jacquard needle mounting hole 7 through the second mounting hole 82, and the second needle heel 81 protrudes from the side of the main body 1 for cooperation with the jacquard mechanism of the knitting machine.

[0026] The cutting needle 5 is installed through the cutting needle mounting hole 4, the first mounting hole 51, the first auxiliary fixing sleeve 9 and the fixing bolt 92, and the jacquard needle 8 is installed through the jacquard needle mounting hole 7, the second mounting hole 82, the first auxiliary fixing sleeve 9 and the fixing bolt 92.

[0027] In actual operation, when this device is used, the needle 5 is installed in the upper part of the inner groove 3. It is installed through the first auxiliary fixing sleeve 9, fixing bolt 92, needle mounting hole 4 and corresponding first mounting hole 51. The surface of the main body 1 is designed with multiple sets of needle mounting holes 4. Various needles 5 of different lengths can be installed inside the inner groove 3. The first needle heel 6 cooperates with the transmission mechanism to ensure the synchronicity of the reciprocating motion of the main body 1. The jacquard needle mounting hole 7 is also designed with multiple sets. Different lengths of jacquard needles 8 can be installed through the second auxiliary fixing sleeve 91, fixing bolt 92, jacquard needle mounting hole 7 and corresponding second mounting hole 82 to meet different usage requirements.

[0028] The knife and hook assembly features modular installation and disassembly, allowing for quick disassembly for replacement and maintenance. When a component is damaged, the entire assembly does not need to be replaced; simply removing the first auxiliary fixing sleeve 9 or the second auxiliary fixing sleeve 91 at the corresponding location allows for quick replacement of the knife needle 5 or jacquard needle 8. The assembly is secured by the first auxiliary fixing sleeve 9, the second auxiliary fixing sleeve 91, and the fixing bolt 92, enhancing component assembly stability and reducing shaking during high-speed operation. The overall design improves knitting efficiency and finished product quality, combining structural compactness with process flexibility.

[0029] It should be noted that, in this document, relational terms such as "first" and "second" are used only to distinguish one entity or operation from another, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Furthermore, the terms "comprising," "including," or any other variations thereof are intended to cover non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements includes not only those elements but also other elements not expressly listed, or elements inherent to such a process, method, article, or apparatus. Without further limitations, an element defined by the phrase "comprising one..." does not exclude the presence of other identical elements in the process, method, article, or apparatus that includes said element.

Claims

1. An improved knife hook assembly, comprising a main body (1), characterized in that: The main body (1) has a hook (2) at its top end, an inner groove (3) at its inner end, a needle mounting hole (4) at the upper part of the surface of the main body (1), a needle (5) installed inside the upper part of the inner groove (3), a first mounting hole (51) at the surface of the needle (5), a first cutting edge (52) at the top end of the needle (5), a second cutting edge (53) at the top end of the needle (5), and a first needle heel (6) fixedly connected to the middle part of the right end of the needle (5). The lower section of the surface is provided with a jacquard needle mounting hole (7), the lower section of the inner groove (3) is provided with a jacquard needle (8), the right end of the jacquard needle (8) is fixedly connected with a second needle heel (81), the top of the surface of the jacquard needle (8) is provided with a second mounting hole (82), the surface of the main body (1) is provided with a first auxiliary fixing sleeve (9), the lower section of the surface of the main body (1) is provided with a second auxiliary fixing sleeve (91), and the surfaces of the first auxiliary fixing sleeve (9) and the second auxiliary fixing sleeve (91) are provided with fixing bolts (92).

2. The improved knife and hook assembly according to claim 1, characterized in that: The hook (2) is vertically fixed to one end of the main body (1), and the hook (2) and the main body (1) are an integrated structure.

3. The improved knife and hook assembly according to claim 1, characterized in that: The inner groove (3) is located in the middle of the main body (1) and has a through-type long strip structure, which is used to accommodate knitting raw materials.

4. The improved knife and hook assembly according to claim 1, characterized in that: The needle mounting hole (4) is the same size as the first mounting hole (51), and the jacquard needle mounting hole (7) is the same size as the second mounting hole (82).

5. The improved knife and hook assembly according to claim 1, characterized in that: The jacquard needle (8) is riveted to the jacquard needle mounting hole (7) through the second mounting hole (82), and the second needle heel (81) protrudes from the side of the main body (1) for use with the jacquard mechanism of the knitting machine.

6. The improved knife and hook assembly according to claim 1, characterized in that: The cutting needle (5) is installed through the cutting needle mounting hole (4), the first mounting hole (51), the first auxiliary fixing sleeve (9) and the fixing bolt (92), and the jacquard needle (8) is installed through the jacquard needle mounting hole (7), the second mounting hole (82), the first auxiliary fixing sleeve (9) and the fixing bolt (92).