CN211498065U - Sewing machine thread releasing device capable of releasing thread quickly - Google Patents

Abstract

The utility model relates to the technical field of textiles, and discloses a sewing machine thread loosening device for quick thread loosening. The device comprises a support rod. A round rod is fixedly connected to the surface of the right side of the support rod. The left side of the outer surface is provided with a fixing mechanism for fixing the wire rope, and the right side of the outer surface of the round rod is provided with an elastic device for quickly loosening and tightening the wire. The outer surface of the machine is pushed to the left, and the rope body is squeezed into the groove by the rubber plate. At this time, the rope body is limited and fixed by the rubber plate and the groove, and then the rope is driven by the rotation of the cylinder. The body rotates on the surface of the right end of the bearing, and then drives the rope body to rewind through the rotation of the cylinder, so that the rope body is in a taut state. At this time, the staff can use the sewing machine to trim the rope body. Operation, so that the position where the thread is trimmed will not deviate, and the processing quality of the sewing machine is guaranteed.

Description

Fast thread release sewing machine thread release device

technical field

The utility model relates to the technical field of textiles, in particular to a thread loosening device of a sewing machine for quick thread loosening.

Background technique

A sewing machine is a machine that uses one or more sewing threads to form one or more stitches on the sewing material, so that one or more layers of sewing material are interlaced or sewn together. The device is used to control the tension and relaxation of the thread on the sewing machine. At present, when most sewing machines perform automatic thread trimming after sewing, the needle of the sewing machine may drive the thread to move, so that the thread is slack. The state of the thread, and the loose state of the thread may cause the sewing machine to deviate from the position of the thread trimmer when it automatically trims the thread, which in turn will reduce the quality of the sewing machine when processing garments.

Utility model content

(1) Technical problems solved

In view of the deficiencies of the prior art, the utility model provides a sewing machine thread loosening device for quick thread loosening, which has the advantages of making the position where the thread is trimmed without deviation, ensuring the processing quality of the sewing machine, etc. It may drive the thread rope to move, so that the thread rope is in a slack state, and the slack state of the thread rope may cause the sewing machine to deviate from the position of the thread trimmer when it automatically trims the thread.

(2) Technical solutions

In order to realize that the above-mentioned position where the thread is trimmed will not be deviated, and the quality purpose of the sewing machine to be processed is ensured, the present utility model provides the following technical scheme: a sewing machine thread release device for quick thread release includes a support rod, and the right side of the support rod The surface of the round rod is fixedly connected with a round rod, the outer surface of the round rod is provided with a threaded groove, the outer surface of the round rod is sleeved with a wire rope body, and the wire rope body and the round rod are slidingly connected, and the position of the wire rope body is located in the threaded groove. left side.

The left side of the outer surface of the round rod is provided with a fixing mechanism for fixing the wire rope, and the right side of the outer surface of the round rod is provided with an elastic device for quickly loosening and tightening the thread.

Preferably, the elastic device includes a ring sleeve, the ring sleeve is sleeved on the outer surface of the round rod, and the ring sleeve and the round rod are slidingly connected, the inner side wall of the ring sleeve is provided with an inner ring groove, and the inner ring groove has an inner ring groove. A cylinder is connected, and the cylinder and the inner ring groove are rotatably connected, the cylinder is threaded on the threaded groove on the outer surface of the round rod, and the position of the cylinder is located on the right side of the rope body.

Preferably, the outer surface of the cylinder is provided with an outer ring groove, and the outer ring groove is located inside the inner ring groove, the inner part of the outer ring groove is rotatably connected to a limit plate, and the shape and size of the limit plate is the same as that of the inside of the outer ring groove. The shape and size are the same, and the end of the limiting plate away from the outer ring groove is fixedly connected to the inner side wall of the inner ring groove.

Preferably, a rubber plate is fixedly installed on the surface of the cylinder at one end away from the ring sleeve, and the rubber plate is vertically corrugated on the surface of the cylinder at the end away from the ring sleeve.

Preferably, the fixing mechanism includes a bearing, the bearing is sleeved on the outer surface of the round rod, the inner ring surface of the bearing is fixedly connected with the outer surface of the round rod, and the surface of the right end of the bearing is fixedly installed with a rubber ring, and the rubber ring is fixedly installed on the surface of the right end of the bearing. The ring is located on the side of the outer ring of the bearing, and the surface of the right end of the rubber ring is provided with a groove, and the position of the groove corresponds to the position of the rubber plate.

(3) Beneficial effects

Compared with the prior art, the utility model provides a sewing machine thread loosening device for quick thread loosening, which has the following beneficial effects:

1. The sewing machine thread releasing device for quick thread release is to hold the outside of the ring sleeve, and then push the ring sleeve on the outer surface of the round rod to the left, and at the same time, the ring sleeve moves to the left to drive the cylinder on the outer surface of the round rod. The thread is rotated on the threaded groove of the machine, and the ring sleeve is continuously moved to drive the cylinder until the surface of the rubber plate is in contact with the rope body, and then the rope body is squeezed into the groove through the rubber plate. The rope body is limited and fixed by the rubber plate and the groove, and then the cylinder is rotated to drive the rope body to rotate on the surface of the right end of the bearing, and then the cylinder is rotated to drive the rope body to rewind, so that the rope The body is in a taut state. At this time, the staff can trim the thread rope body through the sewing machine, so that the position of the thread rope trimming will not deviate, and the quality of the sewing machine is guaranteed.

2. The thread release device of the sewing machine for quick thread release, by setting the inner ring groove and the outer ring groove to cooperate with the limit plate, when the ring sleeve drives the cylinder to move on the left side of the outer surface of the round rod, the cylinder drives the outer ring groove The rotation is performed outside the limit plate, and at the same time, the rotation range of the cylinder is limited through the limit plate and the outer ring groove, which not only ensures the stable rotation of the cylinder, but also avoids the situation that the cylinder is separated from the inside of the ring sleeve.

Description of drawings

Fig. 1 is the sectional structure schematic diagram of the present utility model;

FIG. 2 is a partial enlarged structural schematic diagram of the position A in FIG. 1 of the present utility model.

In the picture: 1 support rod, 11 round rod, 12 thread groove, 13 wire rope body, 2 elastic device, 21 ring sleeve, 22 inner ring groove, 23 limit plate, 24 outer ring groove, 25 cylinder, 26 glue Plate, 3 fixing mechanism, 31 bearing, 32 rubber ring, 33 groove.

Detailed ways

The present utility model will be described in further detail below in conjunction with the accompanying drawings, wherein the same components are denoted by the same reference numerals. It should be noted that the words "front", "rear", "left" and "right" used in the following description ", "upper" and "lower", "bottom" and "top" refer to directions in the drawings, and the words "inner" and "outer" refer to directions toward or away from the geometric center of a particular component, respectively.

The technical solutions in the embodiments of the present utility model will be clearly and completely described below with reference to 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 the implementations. example. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without creative work fall within the protection scope of the present invention.

Please refer to FIGS. 1-2, the present utility model provides a technical solution: a sewing machine thread release device for quick thread release includes a support rod 1, a round rod 11 is fixedly connected to the surface of the right side of the support rod 1, and an outer surface of the round rod 11 is provided with a In the thread groove 12 , the outer part of the round rod 11 is sleeved with a wire rope body 13 , and the wire rope body 13 is slidingly connected with the round rod 11 .

The left side of the outer surface of the round rod 11 is provided with a fixing mechanism 3 for fixing the wire rope. The fixing mechanism 3 includes a bearing 31. The bearing 31 is sleeved on the outer surface of the round rod 11, and the inner ring surface of the bearing 31 is connected to the round rod The outer surface of 11 is fixedly connected, the surface of the right end of the bearing 31 is fixedly installed with a rubber ring 32, and the rubber ring 32 is located on the side of the outer ring of the bearing 31, the surface of the right end of the rubber ring 32 is provided with a groove 33, and the outer surface of the round rod 11 The right side is provided with an elastic device 2 for fast loosening and tightening the line, the elastic device 2 includes a ring sleeve 21, the ring sleeve 21 is sleeved on the outer surface of the round rod 11, and the ring sleeve 21 and the round rod 11 are sliding Connection, the inner side wall of the ring sleeve 21 is provided with an inner ring groove 22, the inner ring groove 22 is sleeved with a cylinder 25, and the cylinder 25 and the inner ring groove 22 are rotationally connected, and the cylinder 25 is threadedly connected to the round rod 11. On the threaded groove 12 on the outer surface, and the position of the cylinder 25 is located on the right side of the rope body 13, the outer surface of the cylinder 25 is provided with an outer ring groove 24, and the outer ring groove 24 is located inside the inner ring groove 22, The inner part of the outer ring groove 24 is rotatably connected to the limit plate 23 , and the shape and size of the limit plate 23 is the same as that of the inner part of the outer ring groove 24 , and the end of the limit plate 23 away from the outer ring groove 24 is fixedly connected to the inner ring groove 22 On the inner side wall of the cylinder 25, the surface of the end of the cylinder 25 away from the ring sleeve 21 is fixedly mounted with a rubber plate 26, and the rubber plate 26 is vertically corrugated on the surface of the cylinder 25 away from the ring sleeve 21.

When in use, when the worker needs to trim the thread after sewing, hold the outside of the ring sleeve 21, then push the ring sleeve 21 to the left on the outer surface of the round rod 11, and at the same time the ring sleeve 21 moves to the left to drive the circle The cylinder 25 rotates threadedly on the thread groove 12 on the outer surface of the round rod 11, and continues to move the ring sleeve 21 to drive the cylinder 25 until the surface of the rubber plate 26 is in contact with the wire rope body 13, and then the thread is passed through the rubber plate 26. The rope body 13 is squeezed to the inside of the groove 33. At this time, the rope body 13 is limited and fixed by the rubber plate 26 and the groove 33, and then the cylinder 25 is rotated to drive the rope body 13 to the right end of the bearing 31. The surface is rotated, and then the cylinder 25 is rotated to drive the wire rope body 13 to rewind, so that the wire rope body 13 is in a taut state. At this time, the staff can cut the wire rope body 13 through the sewing machine. , so that there will be no deviation in the position of thread trimming, which ensures the processing quality of the sewing machine.

Although the embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes and modifications can be made to these embodiments without departing from the principles and spirit of the present invention , alternatives and modifications, the scope of the present invention is defined by the appended claims and their equivalents.

Claims (5)

1. A sewing machine thread release device for quick thread release, comprising a support rod (1), characterized in that: the surface on the right side of the support rod (1) is fixedly connected with a round rod (11), and the outer surface of the round rod (11) is fixedly connected with A threaded groove (12) is provided, a wire rope body (13) is sleeved on the outside of the round rod (11), and the wire rope body (13) and the round rod (11) are slidingly connected, and the wire rope body (13) is located on the left side of the thread groove (12); The left side of the outer surface of the round rod (11) is provided with a fixing mechanism (3) for fixing the wire rope, and the right side of the outer surface of the round rod (11) is provided with an elastic device (2) for quickly loosening and tightening the thread. 2. The sewing machine thread loosening device for quick thread loosening according to claim 1, wherein the tightening device (2) comprises a ring sleeve (21), and the ring sleeve (21) is sleeved on the round rod (11) The outer surface of the ring sleeve (21) and the round rod (11) are slidingly connected, the inner side wall of the ring sleeve (21) is provided with an inner ring groove (22), and the inner ring groove (22) is sleeved with a circular The cylinder (25) is rotatably connected with the inner ring groove (22), the cylinder (25) is threadedly connected to the threaded groove (12) on the outer surface of the round rod (11), and the cylinder (25) ) is located on the right side of the rope body (13). 3. The sewing machine thread loosening device for quick thread loosening according to claim 2, characterized in that: the outer surface of the cylinder (25) is provided with an outer ring groove (24), and the outer ring groove (24) is located inside The inner part of the ring groove (22) and the inner part of the outer ring groove (24) are rotatably connected to the limit plate (23), and the shape and size of the limit plate (23) are the same as the shape and size of the inner part of the outer ring groove (24). One end of the plate (23) away from the outer ring groove (24) is fixedly connected to the inner side wall of the inner ring groove (22). 4. The sewing machine thread loosening device for quick thread loosening according to claim 2, wherein a rubber plate (26) is fixedly installed on the surface of one end of the cylinder (25) away from the ring sleeve (21), and the rubber plate is (26) A vertical corrugation is formed on the surface of the cylinder (25) at one end away from the ring sleeve (21). 5 . The sewing machine thread releasing device for quick thread releasing according to claim 1 , wherein the fixing mechanism ( 3 ) comprises a bearing ( 31 ), and the bearing ( 31 ) is sleeved on the outside of the round rod ( 11 ). 6 . On the surface, and the inner ring surface of the bearing (31) is fixedly connected with the outer surface of the round rod (11), a rubber ring (32) is fixedly installed on the surface of the right end of the bearing (31), and the rubber ring (32) is located in the bearing (32). 31) On the side surface of the outer ring, a groove (33) is formed on the surface of the right end of the rubber ring (32), and the position of the groove (33) corresponds to the position of the rubber plate (26).

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