JPH0213512Y2 - - Google Patents

Description

[Detailed explanation of the idea] [Industrial application field] This invention relates to stockinette needles.

[Conventional technology]

As shown in Fig. 4, conventional knitting needles have a butt 2 protruding from the leg of the needle stem 1 that engages with the cam of the knitting machine, and the upper and lower butts fit into the grooves made in the needle barrel of the knitting machine. It is inserted freely.

[Problem that the invention attempts to solve]

With this knitting needle, if a mechanical problem occurs during the operation of the knitting machine, such as a timing shift or a cam mounting screw coming loose, the stockinette needle, which is originally inexpensive, is a consumable item, and careless external force will be applied to the butt. The lever will break. However, when the butt breaks, the shot may damage the groove, and the adjacent groove may become deformed and narrowed due to external force in the lateral direction, requiring expensive repair or replacement of the needle barrel. Furthermore, if a sharp piece protruding from the groove remains at the broken part of the butt, there are disadvantages such as damage to mechanical parts that come into contact with it, and the knitting machine will have to stop for repairs, resulting in a decrease in production efficiency and repair costs. There was a problem that led to an increase in the number of people.

Further, during operation of the knitting machine, the butt is easily distorted by the impact when the cam comes into contact with the knitting machine, and there is also the problem that abrasion marks caused by the cam are formed at one point on the butt, making it impossible to accurately transmit the movement of the cam to the needles.

[Means for solving problems]

In order to solve the above-mentioned problems, this invention was developed in a knitting needle in which the head of the needle shaft is provided with a hook and a collar, and the leg is provided with a protruding butt for cam contact. A notch is provided at the cam contact position of the part.

[Effect]

According to this invention, when an external force due to a mechanical trouble is applied by the cam to the abutting position at the middle part of the bat while the knitting machine is operating, the batt can be easily cut off from the notch at the cam abutting position without leaving any broken pieces. To prevent damage to a needle tube, that is, an expensive knitting machine main body, by early cutting off an inexpensive needle main body. Further, when an appropriate external force is applied to the bat, the bat, which has added flexibility due to the cut, absorbs the impact of the external force, so that distortion of the bat is prevented.

〔Example〕

1 and 2 show an embodiment of this invention. The knitting needle of this embodiment has a hook 3 connected to the head of the needle stem 1, a latch 4 for opening and closing the hook 3, and a butt 2 bent at right angles to the leg of the needle stem 1. A pair of small U-shaped notches 5 are provided in the middle of the butt 2 at the abutting position of the cam 13 and facing each other.

The notches 5 of the butt 2 are provided at positions corresponding to the depth of the grooves 12 of the needle barrel 11 to be attached, and when the needle body is inserted into the groove 12, the center of the pair of notches 5 is located exactly at the outer edge of the groove. (see Figure 2), and the cam 1 is placed around this notch 5.
The edges of No. 3 are in contact with each other.

Even though the butt 2 is provided with a pair of notches 5, there is no problem with the knitting operation in which it engages with the cam 13 and moves up and down, and it does not break due to external force when it should perform a normal knitting operation. There is no such thing.

In addition to the above-mentioned U-shape, the notch 5 may have an appropriate shape such as a semicircle or a triangle.Furthermore, in order to make the fold as straight as possible and to avoid sharp edges, It is also possible to carve shallow lines across the pair of notches 5 on the plate surface.

As shown in FIG. 2, when the knitting needle is used by being inserted into the groove 12 of the needle barrel 11, a mechanical trouble occurs during the knitting operation and an abnormal external force is applied from the cam 13 to the notch of the butt 2. 5 acts on the free end of the butt 2, the notch 5 adds flexibility to the butt 2, and each time the cam 13 comes into contact with the butt 2, the impact that would have distorted the butt 2 is absorbed. This prevents the bat 2 from being distorted.
Furthermore, since the edge of the cam 13 does not reach the deepest part of the notch 5 and comes into contact with the periphery thereof, the wear marks caused by the cam 13 on the butt 2 are not concentrated in one point, making the distance traveled by the needle stem 1 inaccurate. Since there are no steps like this, the movement of the hands is also more accurate. However, when an external force exceeding the limit is applied to the butt 2, the butt 2 easily breaks from the pair of notches 5, and the bent end is located within the groove 12, causing damage to the inner surface of the groove 12 as in the conventional example. There is no possibility that the gap between adjacent grooves will be deformed.

FIG. 3 shows another embodiment of this invention. The knitting needle of this embodiment is provided with a small triangular notch 5 only at the upper edge of the middle part of the butt 2 to facilitate cutting.
In this way, a notch may be provided at one location.

The stockinette needle of this invention can be applied to flat knitting machines as well as circular knitting machines.

〔effect〕

As mentioned above, the stockinette needle according to this invention is
Since a notch is formed at the cam contact position in the middle of the butt for cam contact, the butt is prevented from being distorted due to impact when the cam comes into contact with the knitting machine while the knitting machine is operating, and the wear marks caused by the cam are prevented from forming on the butt. The needle moves accurately without being concentrated at one point. Also,
During the above operation, if an abnormal external force is generated on the butt due to mechanical trouble, the butt will easily break at the cutting position without leaving any sharp pieces, so the needle barrel or needle bed will not be damaged and will not wear out. Since it is only necessary to easily replace the needle body, which is a new product, the downtime of the knitting machine is shortened and the effort required for repairs is reduced, leading to improved production efficiency and cost reduction.

[Brief explanation of drawings]

FIG. 1 is a plan view showing an embodiment of this invention;
FIG. 2 is an explanatory view showing the state of use of the same as above, FIG. 3 is a plan view of main parts showing another embodiment of this invention, and FIG. 4 is a plan view of main parts showing a conventional example. 1...Needle stem, 2...Butt, 3...Hook, 4
...Blank, 5...Notch, 11...Needle tube, 12
...Groove, 13...Cam.

Claims (1)

[Scope of utility model registration request] A knitting needle having a hook and a latch on the head of the needle shaft and a protruding butt for cam abutting on the leg, characterized in that a notch is provided at the cam abutting position in the middle of the butt. needle.