CN216551039U

CN216551039U - High-reliability sewing machine needle

Info

Publication number: CN216551039U
Application number: CN202122365997.9U
Authority: CN
Inventors: 陆瑞阳; 薛宏飞
Original assignee: Jiangsu Flying Tiger Needles Co ltd
Current assignee: Jiangsu Flying Tiger Needles Co ltd
Priority date: 2021-09-28
Filing date: 2021-09-28
Publication date: 2022-05-17
Anticipated expiration: 2031-09-28

Abstract

The utility model provides a high-reliability sewing machine needle, and relates to the technical field of sewing machines. High reliability sewing machine needle includes sewing machine needle main part, sewing machine needle main part include with syringe needle structure as an organic whole needle bar and with the backshank of needle bar looks joint, the gomphosis has the elastic buckle who is used for offsetting tightly with the backshank on the needle bar, just the needle bar passes through screw thread lantern ring threaded connection with backshank outer wall junction. The high-reliability sewing machine needle provided by the utility model has the advantages that the sewing machine needle main body is arranged to be of a detachable structure with the needle rod and the needle tail, when the needle head needs to be replaced, the needle head can be rapidly detached and replaced by new parts, the whole sewing machine needle main body does not need to be replaced, only local parts need to be replaced, and therefore, certain cost can be saved, the installation process is simple, and the practicability is high.

Description

High-reliability sewing machine needle

Technical Field

The utility model relates to the technical field of sewing machines, in particular to a high-reliability sewing machine needle.

Background

A sewing machine is a machine that uses one or more sewing threads to form one or more stitches in a material to be sewn, thereby interweaving or stitching one or more layers of material. The sewing machine can sew fabrics such as cotton, hemp, silk, wool, artificial fiber and the like and products such as leather, plastic, paper and the like, and the sewed stitches are neat, beautiful, flat and firm, the sewing speed is high, and the use is simple and convenient. And derives the artistic forms of hand-push embroidery, computer embroidery, etc.

At present, when a sewing machine is used for sewing cloth, a sewing machine needle is usually required to be used, the sewing machine needle is used as a main part in a device, the use frequency is high, the abrasion is large, particularly, the abrasion is serious at a needle head part, the damage of the needle head can directly cause the whole sewing machine needle to lose the working capacity, and a new sewing machine needle needs to be replaced due to the fact that the sewing machine needle is of an integrated structure, and the replacement cost is increased.

SUMMERY OF THE UTILITY MODEL

In order to solve the technical problems, the utility model provides a high-reliability sewing machine needle with a replaceable needle head.

The utility model provides a high-reliability sewing machine needle, which comprises: the sewing machine needle body, the sewing machine needle body include with needle head needle bar as an organic whole structure and with the needle tail of needle bar looks joint, the gomphosis has the elasticity buckle that is used for propping up tightly with the needle tail on the needle bar, just the needle bar passes through screw thread lantern ring threaded connection with needle tail outer wall junction.

Preferably, one end of the needle rod is fixedly connected with a limiting clamping block, one end of the needle tail is provided with a profiling groove, and the limiting clamping block is matched with the profiling groove.

Preferably, the limiting clamping block is of a polygonal structure, circular grooves are formed in two corresponding sides of the limiting clamping block, and elastic buckles are embedded in the circular grooves.

Preferably, the elastic buckle includes fixed disc, fixed disc is located the circular slot, just the one end of fixed disc and the tank bottom fixed connection of circular slot, the other end fixedly connected with spring of fixed disc, the other end fixedly connected with butt post of spring.

Preferably, limiting clamping grooves are formed in two corresponding sides of the profiling grooves, and the abutting columns are correspondingly clamped with the limiting clamping grooves.

Preferably, the position, close to the needle rod, of the outer wall of the limiting clamping block is fixedly bonded with a sealing ring.

Preferably, the outer thread is all seted up with the needle tail outer wall junction to the needle bar, the equal threaded connection of outer thread of screw thread lantern ring and needle bar and needle tail junction.

Compared with the related art, the high-reliability sewing machine needle provided by the utility model has the following beneficial effects:

1. the utility model provides a high-reliability sewing machine needle, wherein a sewing machine needle main body is arranged to be a detachable structure of a needle rod and a needle tail, when a needle head needs to be replaced, the needle head can be rapidly detached and replaced by a new part, and the arrangement can save certain cost by only partially replacing without replacing the whole sewing machine needle main body, and the high-reliability sewing machine needle is simple in installation process and high in practicability.

2. The utility model provides a high-reliability sewing machine needle, wherein a limit fixture block is arranged to be of a polygonal structure, so that when the limit fixture block is connected with a needle tail, the friction force between a needle rod and the needle tail can be increased, the connection between the needle rod and the needle tail is firmer, and a layer of sealing ring is additionally arranged at the joint of the needle rod and the needle tail, so that the friction force between the limit fixture block and a copying groove can be increased, and the connection between the needle rod and the needle tail is firmer.

Drawings

FIG. 1 is a schematic view of the overall structure of a preferred embodiment of a highly reliable sewing machine needle according to the present invention;

FIG. 2 is a schematic illustration of the partially exploded view of FIG. 1 according to the present invention;

FIG. 3 is a cross-sectional structural view of the needle end of the present invention;

fig. 4 is a schematic structural view illustrating explosion of the limiting clamping block according to the present invention.

The reference numbers in the figures: 1. a sewing machine needle body; 11. a needle bar; 12. needle tail; 2. a threaded collar; 3. a limiting clamping block; 4. profiling grooves; 5. a circular groove; 6. elastic buckle; 61. fixing the disc; 62. a spring; 63. a butting post; 7. a limiting clamping groove; 8. a seal ring; 9. and (4) external threads.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is described in further detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the utility model and are not intended to limit the utility model.

Specific implementations of the present invention are described in detail below with reference to specific embodiments.

Referring to fig. 1 to 4, a high reliability sewing machine needle according to an embodiment of the present invention includes: sewing machine needle main part 1, sewing machine needle main part 1 include with syringe needle structure as an organic whole needle bar 11 and with the backshank 12 of 11 looks joints of needle bar, the gomphosis has the elastic buckle 6 that is used for offsetting tightly with backshank 12 on the needle bar 11, just 2 threaded connection are passed through to needle bar 11 and backshank 12 outer wall junction.

It should be noted that: set sewing machine needle main part 1 to needle bar 11 and backshank 12 and be detachable construction, when the syringe needle needs to be changed, can dismantle the part of more renewing to the syringe needle fast, this kind of setting can need not change whole sewing machine needle main part 1, only needs to change the part to can save certain cost, and the installation is simple, and the practicality is high.

In the embodiment of the present invention, referring to fig. 1, fig. 2 and fig. 3, one end of the needle rod 11 is fixedly connected with a limiting fixture block 3, one end of the needle tail 12 is provided with an imitated groove 4, and the limiting fixture block 3 is adapted to the imitated groove 4;

it should be noted that: after the threaded lantern ring 2 is taken out, a user directly pulls out the needle rod 11 from the needle tail 12, so that the limiting fixture block 3 on the needle rod 11 is separated from the contour groove 4 on the needle tail 12, and the needle head is disassembled;

it should also be noted that: the limiting fixture block 3 is arranged to be of a polygonal structure, so that when the limiting fixture block is connected with the needle tail 12, the friction force between the needle rod 11 and the needle tail 12 can be increased, and the connection between the needle rod and the needle tail is firmer.

In an embodiment of the present invention, please refer to fig. 2, fig. 3 and fig. 4, the limiting fixture block 3 is a polygonal structure, circular grooves 5 are respectively formed on two corresponding sides of the limiting fixture block 3, and elastic buckles 6 are embedded in the circular grooves 5;

the elastic buckle 6 comprises a fixed disc 61, the fixed disc 61 is positioned in the circular groove 5, one end of the fixed disc 61 is fixedly connected with the bottom of the circular groove 5, the other end of the fixed disc 61 is fixedly connected with a spring 62, the other end of the spring 62 is fixedly connected with a butting column 63, two corresponding sides of the profiling groove 4 are respectively provided with a limiting clamping groove 7, and the butting column 63 is correspondingly clamped with the limiting clamping grooves 7;

it should be noted that: when spacing fixture block 3 broke away from with the profile groove 4, spring 62 in the elastic buckle 6 drove the butt post 63 and is located spacing draw-in groove 7 this moment, and when spacing fixture block 3 removed, spring 62 was converted into compression state drive butt post 63 horizontal direction by the relaxed state and moved toward circular slot 5 for butt post 63 no longer joints in spacing draw-in groove 7, later continues to stimulate spacing fixture block 3, makes it break away from in the profile groove 4 completely, thereby accomplishes the dismantlement to the syringe needle.

In the embodiment of the present invention, referring to fig. 2 and 4, a sealing ring 8 is fixedly bonded to the outer wall of the limiting fixture block 3 and a position close to the needle bar 11;

it should be noted that: when the limiting fixture block 3 on the needle rod 11 is clamped with the contour groove 4 on the needle tail 12, the joint of the needle rod 11 and the needle tail 12 is additionally provided with a layer of sealing ring 8, so that the friction force between the limiting fixture block 3 and the contour groove 4 can be increased, and the connection between the needle rod 11 and the needle tail 12 is further firmer.

In the embodiment of the present invention, please refer to fig. 1 and 2, the outer wall joints of the needle bar 11 and the needle tail 12 are both provided with external threads 9, and the external threads 9 at the joints of the threaded lantern ring 2 and the needle bar 11 and the needle tail 12 are both in threaded connection;

it should be noted that: when the needle head of the needle body 1 of the sewing machine needs to be replaced and disassembled, a user rotates the thread lantern ring 2, so that the thread lantern ring 2 is separated from the joint of the needle bar 11 and the needle bar 11 which are integrated with the needle head, and the first step of fixing and releasing is completed.

The high-reliability sewing machine needle provided by the utility model has the following working principle: when the needle head of the needle body 1 of the sewing machine needs to be replaced and disassembled, a user rotates the thread lantern ring 2, so that the thread lantern ring 2 is separated from the connecting part of the needle rod 11 and the needle rod 11 which are integrated with the needle head, and the fixation is released in the first step;

when the threaded lantern ring 2 is taken out, a user directly pulls out the needle rod 11 from the needle tail 12 to separate the limiting clamping block 3 on the needle rod 11 from the contour groove 4 on the needle tail 12, when the limiting clamping block 3 is separated from the contour groove 4, the spring 62 in the elastic buckle 6 drives the abutting column 63 to be positioned in the limiting clamping groove 7, when the limiting clamping block 3 moves, the spring 62 is converted from a relaxed state to a compressed state to drive the abutting column 63 to move in the circular groove 5 in the horizontal direction, so that the abutting column 63 is not clamped in the limiting clamping groove 7 any more, and then the limiting clamping block 3 is continuously pulled to be completely separated from the contour groove 4, so that the needle head is disassembled;

when changing new syringe needle and installation, the user directly will with the integrative needle bar 11 and the 12 looks joints of backshank of syringe needle, make spacing fixture block 3 be located the profile modeling inslot 4 for butt post 63 among the elastic buckle 6 supports tightly with spacing draw-in groove 7, later overlaps the screw thread lantern ring 2 in sewing machine needle main part 1 outside, rotatory screw thread lantern ring 2, makes it with needle bar 11 and the 12 outer wall junction threaded fixation of backshank, thereby the completion is to the change of syringe needle.

The above description is only an embodiment of the present invention, and not intended to limit the scope of the present invention, and all modifications of equivalent structures and equivalent processes, which are made by using the contents of the present specification and the accompanying drawings, or directly or indirectly applied to other related technical fields, are included in the scope of the present invention.

Claims

1. High reliability sewing machine needle, including sewing machine needle main part (1), its characterized in that, sewing machine needle main part (1) include with needle head needle bar (11) of structure as an organic whole and with needle tail (12) of needle bar (11) looks joint, gomphosis has elastic buckle (6) that are used for offsetting tightly with needle tail (12) on needle bar (11), just needle bar (11) pass through screw thread lantern ring (2) threaded connection with needle tail (12) outer wall junction.

2. The high-reliability sewing machine needle according to claim 1, characterized in that one end of the needle bar (11) is fixedly connected with a limit block (3), one end of the needle tail (12) is provided with a contour groove (4), and the limit block (3) is matched with the contour groove (4).

3. The needle of claim 2, wherein the limiting clamping block (3) has a polygonal structure, circular grooves (5) are formed in two corresponding sides of the limiting clamping block (3), and elastic buckles (6) are embedded in the circular grooves (5).

4. The needle of claim 3, wherein the elastic buckle (6) comprises a fixed disk (61), the fixed disk (61) is located in the circular groove (5), one end of the fixed disk (61) is fixedly connected with the groove bottom of the circular groove (5), the other end of the fixed disk (61) is fixedly connected with a spring (62), and the other end of the spring (62) is fixedly connected with a butting column (63).

5. The high-reliability sewing machine needle according to claim 4, characterized in that the two corresponding sides of the contour groove (4) are provided with limit clamping grooves (7), and the abutting columns (63) are correspondingly clamped with the limit clamping grooves (7).

6. The needle of claim 5, wherein the position of the outer wall of the limiting block (3) close to the needle bar (11) is fixedly bonded with a sealing ring (8).

7. The high-reliability sewing machine needle according to claim 6, characterized in that the outer wall joints of the needle bar (11) and the needle tail (12) are provided with outer threads (9), and the outer threads (9) of the joints of the thread lantern ring (2) and the needle bar (11) and the needle tail (12) are in threaded connection.