Knitting needle

By designing knitting needles with specific structures, the problem of difficulty in knitting three-dimensional spaced knitted fabrics with a thickness of more than three millimeters in the prior art is solved, and high-quality and efficient braiding effects are achieved, and production costs are reduced.

CN223134724UActive Publication Date: 2025-07-22ZHANGZHOU GUOFENG PRECISION MACHINERY CO LTD +1
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Patent Information

Application Number
CN202422427888.9
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-10-09
Publication Date
2025-07-22
Estimated Expiration
2034-10-09

AI Technical Summary

Technical Problem

The prior art is difficult to efficiently prepare three-dimensional spaced knitted fabrics with a thickness of more than three millimeters, which affects its application range.

Method used

A knitting needle is designed, including a needle, a needle rod, a needle heel, a needle tail and a rotatable joint needle tongue. The needle is set as a hook. The length of the needle tongue when it is fully open and the center length of the needle and the needle pin meets a specific range. The bending diameter and height of the needle hook are also within a specific range. It is suitable for upper and lower knitting needles of knitting double-sided machines.

Benefits of technology

High quality and high efficiency braiding of three-dimensional spaced knitted fabrics with thicknesses of more than three millimeters are achieved, while reducing production costs.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model relates to a knitting needle which comprises a needle head, a first needle rod, a needle butt, a second needle rod and a needle tail which are sequentially connected, a needle hook is arranged at the head end of the needle head, a needle latch is arranged in the middle of the needle head, and the needle latch is rotatably connected with the middle of the needle head through a needle latch pin; when the needle latch is in a completely opened state, the working length from the tail end of the needle latch to the head end of the needle head is h1, the central length of the head end of the needle head and the needle latch pin is h2, and the working length of the tail end of the needle head and the needle butt is h4; the diameter of the bent part of the needle hook is d1, the height of the bent part of the needle hook is w1, and the hooking length of the needle hook is h3; wherein h1 ranges from 10 mm to 11.8 mm, h2 ranges from 5.5 mm to 6.0 mm, h3 ranges from 1.4 mm to 1.5 mm, h4 is larger than or equal to 37.3 mm and smaller than 41 mm, d1 ranges from 0.3 mm to 0.45 mm, and w1 ranges from 1.4 mm to 1.6 mm. The knitting needle disclosed by the utility model is applied to a knitting machine, so that high-quality and high-efficiency knitting of three-dimensional interval knitted fabric with the thickness of more than 3mm is realized; the knitting needle can be used as an upper knitting needle and a lower knitting needle of a double-sided knitting machine at the same time, and the production cost is reduced.
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Description

Technical Field

[0001] The utility model relates to the technical field of knitting, and particularly relates to a knitting needle. Background Art

[0002] The structure and shape of knitting needles have an important impact on the knitting loop formation process, the productivity of knitting machines, and the quality of products, and are an important basis for the design of knitting machines. There are three types of knitting needles, namely latch needles, crochet needles, and compound needles, and each type of knitting needle has its specific uses and advantages. The design of knitting needles is not only related to the structure and appearance of fabrics, but also directly affects the comfort and functionality of fabrics. In the prior art, for three-dimensional spacer fabrics, their structure is similar to a sandwich, consisting of two independent surface layers and an intermediate connecting layer. By knitting connecting lines into the fabric through a knitting machine, the gap between the front and back fabric layers can be increased to form a spacer fabric with elasticity, thickness, and the ability to store more air. This type of fabric has excellent breathability and a wide range of applications; however, currently, such fabrics are all fabrics with a thickness of less than 3 mm, and there are great technical difficulties in knitting fabrics with a thickness of more than 3 mm, which affects the application of such three-dimensional spacer fabrics. The unique design of knitting needles is a key influencing factor for successfully knitting such three-dimensional spacer fabrics, and the structure and shape of knitting needles also play a decisive role in the quality and production efficiency of knitted fabrics. Summary of the Utility Model

[0003] Aiming at the technical problems existing in the above prior art, the utility model provides a knitting needle, which is applied to a knitting machine to achieve high-quality and high-efficiency knitting of three-dimensional spacer fabrics with a thickness of more than 3 mm. At the same time, the knitting needle of the utility model can be used as both the upper knitting needle and the lower knitting needle of a double-sided knitting machine, reducing the production cost.

[0004] A knitting needle of the utility model, the knitting needle includes a needle head, a first needle bar, a needle heel, a second needle bar, and a needle tail connected in sequence. The head end of the needle head is provided with a needle hook, and the middle part of the needle head is provided with a latch. The latch is rotatably connected to the middle part of the needle head through a latch pin;

[0005] When the latch is in a fully open state, the working length from the end of the latch to the head end of the needle head is h1, the central length from the head end of the needle head to the latch pin is h2, and the working length from the end of the needle head to the needle heel is h4;

[0006] The diameter of the bent part of the needle hook is d1, the height is w1, and the hooked-back length of the needle hook is h3;

[0007] Wherein, h1 = 10 - 11.8, h2 = 5.5 - 6.0 mm, h3 = 1.4 - 1.5 mm, 37.3 mm ≤ h4 < 41 mm, d1 = 0.3 - 0.45 mm, w1 = 1.4 - 1.6 mm.

[0008] Further, in the knitting needle of the present utility model, the surface of the needle tail is flat and no needle heel protruding from the surface is provided; the height w2 of the needle tail is 3.25 - 3.30 mm.

[0009] Further, in the knitting needle of the present utility model, the tail end of the first needle bar is obliquely recessed downward at an inclination angle θ and then connected to the front end of the needle heel through a first connecting portion bent upward, and the inclination angle θ = 20° - 30°; the length h5 of the first needle bar is 18.5 - 20.0 mm.

[0010] Further, in the knitting needle of the present utility model, the first connecting portion is in a right - angled bent shape.

[0011] Further, in the knitting needle of the present utility model, the second needle bar includes a first rod portion directly connected to the tail end of the needle heel and a second rod portion directly connected to the front end of the needle tail, and the tail end of the first rod portion is vertically bent downward to be connected to the front end of the second rod portion; the length of the first rod portion is greater than the length of the second rod portion.

[0012] Further, in the knitting needle of the present utility model, the working length h6 of the second needle bar provided on the needle heel and the needle tail is 22.0 - 24.5 mm.

[0013] Further, in the knitting needle of the present utility model, the upper surface of the first connecting portion is in the same plane as the upper surface of the first rod portion.

[0014] Further, in the knitting needle of the present utility model, the height h7 of the needle heel protruding from the upper surface of the first connecting portion is 2.1 - 3.0 mm.

[0015] Further, in the knitting needle of the present utility model, the middle part of the needle head is in a convex arc shape.

[0016] Further, in the knitting needle of the present utility model, the knitting needle is an upper knitting needle for a knitting double - face machine, or the knitting needle is a lower knitting needle for a knitting double - face machine.

[0017] Compared with the prior art, the present utility model has the following beneficial technical effects:

[0018] The knitting needle of the present utility model is applied to a knitting machine to achieve high - quality and high - efficiency knitting of three - dimensional spacer fabrics with a thickness of more than three millimeters. At the same time, the knitting needle of the present utility model can be used as both the upper knitting needle and the lower knitting needle of a knitting double - face machine, reducing the production cost. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] Figure 1 It is a schematic structural diagram of the knitting needle of the present utility model;

[0020] Figure 2 Schematic enlarged structure diagram of the needle tip of the knitting needle of the present utility model;

[0021] Figure 3 Schematic enlarged structure diagram of the needle heel of the knitting needle of the present utility model;

[0022] Wherein: 1. Needle tip, 2. Needle tail, 3. Needle heel, 4. First needle bar, 5. Second needle bar, 101. Needle hook, 102. Needle tongue, 103. Needle tongue pin, 401. First connecting portion, 501. First rod portion, 502. Second rod portion. Specific embodiments

[0023] In order to have a clearer understanding of the technical features, objectives and effects of the present utility model, the specific embodiments of the present utility model will now be described in detail with reference to the accompanying drawings. The described embodiments are only a part of the embodiments of the present utility model, rather than all of the embodiments. All other embodiments obtained by those of ordinary skill in the art based on the embodiments of the present utility model without creative efforts fall within the scope of protection of the present utility model. For those not specified in the specific embodiments, they are carried out according to conventional conditions or conditions recommended by the manufacturer. When the following description relates to the drawings, unless otherwise indicated, the same numbers in different drawings represent the same or similar elements. The embodiments described below by way of example do not represent all embodiments consistent with the present disclosure. On the contrary, they are merely examples of devices and methods consistent with some aspects of the present disclosure as detailed in the appended claims. The terms used in the present disclosure are only for the purpose of describing specific embodiments and are not intended to limit the present disclosure.

[0024] As Figures 1 to 3 shown, a knitting needle of the present utility model includes a needle tip 1, a first needle bar 4, a needle heel 3, a second needle bar 5 and a needle tail 2 connected in sequence. The head end of the needle tip 1 is provided with a needle hook 101, and the middle part of the needle tip 1 is provided with a needle tongue 102. The needle tongue 102 is rotatably connected to the middle part of the needle tip 1 through a needle tongue pin 103;

[0025] When the needle tongue 102 is in a fully open state, the working length from the end of the needle tongue 102 to the head end of the needle tip 1 is h1, the central length from the head end of the needle tip 1 to the needle tongue pin 103 is h2, and the working length from the end of the needle tip 1 to the needle heel 3 is h4; the diameter at the bent portion of the needle hook 101 is d1, the height is w1, and the hooked-back length of the needle hook 101 is h3;

[0026] Among them, h1 = 10.0 - 11.8 mm, h2 = 5.5 - 6.0 mm, h3 = 1.4 - 1.5 mm, 37.3 mm ≤ h4 < 41 mm, d1 = 0.3 - 0.45 mm, w1 = 1.4 - 1.6 mm.

[0027] In some embodiments, the surface of the above-mentioned needle shank 2 is flat and there is no needle heel protruding from the surface; the height w2 of the above-mentioned needle shank 2 is 3.25 - 3.30 mm.

[0028] In some embodiments, the tail end of the above-mentioned first needle bar 4 is obliquely concave downward at an inclination angle θ and then connected to the front end of the above-mentioned needle heel 3 through an upwardly bent first connecting portion 401, and the above-mentioned inclination angle θ = 20° - 30°; the length h5 of the above-mentioned first needle bar 4 is 18.5 - 20.0 mm.

[0029] In some embodiments, the above-mentioned first connecting portion 401 is in a right-angled bent shape.

[0030] In some embodiments, the above-mentioned second needle bar 5 includes a first rod portion 501 directly connected to the tail end of the above-mentioned needle heel 3 and a second rod portion 502 directly connected to the front end of the above-mentioned needle shank 2, and the tail end of the above-mentioned first rod portion 501 is vertically bent downward to be connected to the front end of the above-mentioned second rod portion 502; the length of the above-mentioned first rod portion 501 is greater than the length of the above-mentioned second rod portion 502.

[0031] In some embodiments, the working length h6 of the second needle bar 5 provided on the above-mentioned needle heel 3 and the above-mentioned needle shank 2 is 22.0 - 24.5 mm.

[0032] In some embodiments, the upper surface of the above-mentioned first connecting portion 401 and the upper surface of the above-mentioned first rod portion 501 are on the same plane.

[0033] In some embodiments, the height h7 of the above-mentioned needle heel 3 protruding from the upper surface of the above-mentioned first connecting portion 401 is 2.1 - 3.0 mm.

[0034] In some embodiments, the middle part of the above-mentioned needle tip 1 is a convex arc shape.

[0035] In some embodiments, the above-mentioned knitting needle is an upper knitting needle for a double knitting machine.

[0036] In some other embodiments, the above-mentioned knitting needle is a lower knitting needle for a double knitting machine.

[0037] The following further elaborates on the present utility model with specific embodiments.

[0038] Embodiment 1:

[0039] As Figures 1 to 3As shown in the figure, a knitting needle of the present utility model is an upper knitting needle for a double-sided knitting machine, which includes a needle head 1, a first needle bar 4, a needle heel 3, a second needle bar 5, and a needle tail 2 connected in sequence. The head end of the needle head 1 is set as a needle hook 101, and a needle tongue 102 is arranged in the middle of the needle head 1. The needle tongue 102 is rotatably connected to the middle of the needle head 1 through a needle tongue pin 103;

[0040] When the needle tongue 102 is in a fully open state, the working length from the end of the needle tongue 102 to the head end of the needle head 1 is h1, the central length from the head end of the needle head 1 to the needle tongue pin 103 is h2, and the working length from the end of the needle head 1 to the needle heel 3 is h4; the diameter at the bent part of the needle hook 101 is d1, the height is w1, and the hooked-back length of the needle hook 101 is h3;

[0041] Among them, h1 = 10.0mm, h2 = 5.5mm, h3 = 1.4mm, h4 = 37.3mm, d1 = 0.4mm, w1 = 1.5mm.

[0042] The surface of the needle tail 2 is flat and no needle heel protruding from the surface is provided; the height w2 of the needle tail 2 is 3.25mm; the tail end of the first needle bar 4 is obliquely concave downward at an inclination angle θ and then connected to the front end of the needle heel 3 through an upwardly bent first connecting portion 401, and the inclination angle θ = 20° - 30°; the length h5 of the first needle bar 4 is 20.0mm. The first connecting portion 401 is in a right-angled bent shape. The second needle bar 5 includes a first rod portion 501 directly connected to the tail end of the needle heel 3 and a second rod portion 502 directly connected to the front end of the needle tail 2. The tail end of the first rod portion 501 is vertically bent downward to connect with the front end of the second rod portion 502; the length of the first rod portion 501 is greater than the length of the second rod portion 502.

[0043] The working length h6 of the second needle bar 5 provided on the needle heel 3 and the needle tail 2 is 24.5mm. The upper surface of the first connecting portion 401 and the upper surface of the first rod portion 501 are on the same plane. The height h7 of the needle heel 3 protruding from the upper surface of the first connecting portion 401 is 3.0mm, and the middle part of the needle head 1 is in a convex arc shape.

[0044] Embodiment 2:

[0045] As Figures 1 to 3 shown in the figure, a knitting needle of the present utility model is a lower knitting needle for a double-sided knitting machine, which includes a needle head 1, a first needle bar 4, a needle heel 3, a second needle bar 5, and a needle tail 2 connected in sequence. The head end of the needle head 1 is set as a needle hook 101, and a needle tongue 102 is arranged in the middle of the needle head 1. The needle tongue 102 is rotatably connected to the middle of the needle head 1 through a needle tongue pin 103;

[0046] When the latch 102 is in the fully open state, the working length from the end of the latch 102 to the head end of the needle 1 is h1, the center length between the head end of the needle 1 and the latch pin 103 is h2, and the working length from the end of the needle 1 to the butt 3 is h4; the diameter at the bending point of the hook 101 is d1 and the height is w1, and the hooked-back length of the hook 101 is h3;

[0047] Among them, h1 = 11.8 mm, h2 = 6.0 mm, h3 = 1.5 mm, h4 = 40.5 mm, d1 = 0.42 mm, w1 = 1.4 mm.

[0048] The surface of the shank 2 is flat and no butt protruding from the surface is provided; the height w2 of the shank 2 is 3.30 mm.

[0049] The tail end of the first needle bar 4 is obliquely recessed downward at an inclination angle θ and then connected to the front end of the butt 3 through the upwardly bent first connecting portion 401, and the inclination angle θ = 20° - 30°; the length h5 of the first needle bar 4 is 18.5 mm. The first connecting portion 401 is in a right-angled bent shape. The second needle bar 5 includes a first rod portion 501 directly connected to the tail end of the butt 3 and a second rod portion 502 directly connected to the front end of the shank 2. The tail end of the first rod portion 501 is vertically bent downward to connect with the front end of the second rod portion 502; the length of the first rod portion 501 is greater than the length of the second rod portion 502.

[0050] The working length h6 of the second needle bar 5 provided on the butt 3 and the shank 2 is 22.0 mm. The upper surface of the first connecting portion 401 and the upper surface of the first rod portion 501 are on the same plane. The height h7 of the butt 3 protruding from the upper surface of the first connecting portion 401 is 3.0 mm. The middle part of the needle 1 is in a convex arc shape.

[0051] The present utility model is described through the above specific embodiments and examples. Those skilled in the art should understand that without departing from the scope of the present utility model, various transformations and equivalent substitutions can also be made to the present utility model. The parts not detailed in the specification of the present utility model are well-known technologies to those skilled in the art. In addition, various modifications can be made to the present utility model for specific situations or circumstances without departing from the scope of the present utility model. Therefore, the present utility model is not limited to the disclosed specific embodiments, but should include all embodiments falling within the scope of the claims of the present utility model.

Claims

1. A knitting needle, characterized in that, The knitting needle includes a needle tip (1), a first needle shank (4), a needle heel (3), a second needle shank (5) and a needle butt (2) connected in sequence. The head end of the needle tip (1) is provided with a needle hook (101), and the middle part of the needle tip (1) is provided with a latch (102). The latch (102) is rotatably connected to the middle part of the needle tip (1) through a latch pin (103). When the latch (102) is in a fully open state, the working length from the end of the latch (102) to the head end of the needle tip (1) is h1, the central length from the head end of the needle tip (1) to the latch pin (103) is h2, and the working length from the end of the needle tip (1) to the needle heel (3) is h4. The diameter of the bent part of the needle hook (101) is d1, the height is w1, and the hooked-back length of the needle hook (101) is h3. Wherein, h1 = 10 - 11.8 mm, h2 = 5.5 - 6.0 mm, h3 = 1.4 - 1.5 mm, 37.3 mm ≤ h4 < 41 mm, d1 = 0.3 - 0.45 mm, w1 = 1.4 - 1.6 mm.

2. The knitting needle according to claim 1, characterized in that, The surface of the needle butt (2) is flat and no needle heel protruding from the surface is provided. The height w2 of the needle butt (2) is 3.25 - 3.30 mm.

3. The knitting needle according to claim 2, characterized in that, The tail end of the first needle shank (4) is obliquely concave downward at an inclination angle θ and then connected to the front end of the needle heel (3) through an upward-bent first connecting portion (401), and the inclination angle θ = 20° - 30°; the length h5 of the first needle shank (4) is 18.5 - 20.0 mm.

4. The knitting needle according to claim 3, characterized in that, The first connecting portion (401) is in a right-angled bent shape.

5. The knitting needle according to claim 4, wherein The second needle shank (5) includes a first rod portion (501) directly connected to the tail end of the needle heel (3) and a second rod portion (502) directly connected to the front end of the needle butt (2). The tail end of the first rod portion (501) is vertically bent downward to be connected to the front end of the second rod portion (502); the length of the first rod portion (501) is greater than the length of the second rod portion (502).

6. The knitting needle according to claim 5, characterized in that, The working length h6 of the second needle shank (5) provided on the needle heel (3) and the needle butt (2) is 22.0 - 24.5 mm.

7. The knitting needle according to claim 6, characterized in that, The upper surface of the first connecting portion (401) and the upper surface of the first rod portion (501) are in the same plane.

8. The knitting needle according to claim 7, wherein, The height h7 of the needle heel (3) protruding from the upper surface of the first connecting portion (401) is 2.1 - 3.0 mm.

9. The knitting needle according to claim 8, characterized in that, The middle part of the needle tip (1) is in a convex arc shape.

10. The knitting needle according to any one of claims 1 to 8, characterized in that, The knitting needle is an upper knitting needle for a knitting double-sided machine, or the knitting needle is a lower knitting needle for a knitting double-sided machine.