CN218203396U

CN218203396U - High-speed flush joint machine thread clamping device subassembly

Info

Publication number: CN218203396U
Application number: CN202222834485.7U
Authority: CN
Inventors: 方宜安; 万丽娟
Original assignee: Wuhan Jingyi Garment Co ltd
Current assignee: Wuhan Jingyi Garment Co ltd
Priority date: 2022-10-26
Filing date: 2022-10-26
Publication date: 2023-01-03
Anticipated expiration: 2032-10-26

Abstract

The utility model discloses a high-speed lockstitch sewing machine thread clamping device subassembly belongs to the sewing technical field, and is directed at the problem that the high-speed lockstitch sewing machine thread clamping device subassembly in the prior art is complicated in structure when using, can't realize the position restriction of upper and lower clamping piece simultaneously, and upper and lower clamping piece is easy to deflect, influences the use, including the cylindricality pole, the side bottom sliding connection of cylindricality pole has the sliding sleeve, and the top of sliding sleeve is fixed with spring limiting plate b, and the bottom of sliding sleeve is fixed with upper thread clamping plate, is provided with lower thread clamping plate under the upper thread clamping plate, is provided with the pagoda spring that the cover was located on the cylindricality pole side between spring limiting plate a and the spring limiting plate b; the utility model discloses in the middle of the last thread clamping board of sewing thread through the thread clamping machine subassembly with lower thread clamping board, on sewing thread steadily, evenly draws the sewing needle, simple structure, slider and guide way cooperation carry out spacing direction to the removal of going up the thread clamping board, avoid going up the mutual skew of thread clamping board and lower thread clamping board.

Description

High-speed flush joint machine thread clamping device subassembly

Technical Field

The utility model belongs to the technical field of the sewing, concretely relates to high-speed flush joint machine thread trapper subassembly.

Background

The flat sewing machine is also called a flat car and is generally known as a single-needle flat sewing machine, the flat 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, the sewed stitches are neat, beautiful, flat and firm, the sewing speed is high and the like, and the flat 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.

Granted chinese patent publication No.: CN202519453U, discloses a thread clamping device assembly of a high-speed lockstitch sewing machine: comprises an O-shaped ring, a wire clamping seat, an inner hexagonal set screw, a wire protecting torsion spring, a wire clamping rod, a lower clamping piece, an upper clamping piece, a bowl-shaped liner, a pagoda spring, a stop pad and an adjusting knob. The thread clamping device seat is a base body of a thread clamping device component of a high-speed lockstitch sewing machine, a groove of a large-end excircle of the thread clamping device seat is provided with an O-shaped ring, a small-end excircle is provided with an inner hexagonal set screw, a large-end inner hole of the thread clamping device seat is provided with a thread protecting torsion spring and a thread clamping rod, and the thread clamping rod is sequentially provided with a lower clamping piece, an upper clamping piece, a bowl-shaped liner, a pagoda spring, a stop pad and an adjusting knob. The utility model discloses can reach the effect: the flat bed sewing machine has the advantages of compact structure, optimized function and convenient installation, and can ensure the normal work of the flat bed sewing machine;

still exist not enoughly in the above-mentioned patent, press from both sides the sewing thread tightly through last clamping piece and lower clamping piece in the above-mentioned patent, carry out sewing work, but overall structure spare part is more, and the structure is comparatively complicated, and the position restriction of clamping piece about can't realizing simultaneously, upper and lower clamping piece squints easily, influences the use.

Therefore, a high-speed lockstitch machine thread clamping device assembly is needed, and the problems that when the high-speed lockstitch machine thread clamping device assembly in the prior art is used, the structure is complex, the position limitation of an upper clamping piece and a lower clamping piece cannot be realized, the upper clamping piece and the lower clamping piece are easy to shift, and the use is influenced are solved.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a high-speed flush joint machine thread clamp subassembly to solve the problem that proposes among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a high-speed flush joint machine thread clamping device subassembly, includes the cylindricality pole, the side bottom sliding connection of cylindricality pole has the sliding sleeve, the top of sliding sleeve is fixed with spring limiting plate b, the bottom mounting of sliding sleeve has last thread clamping plate, it is provided with down the thread clamping plate to go up under the thread clamping plate, the both ends of thread clamping plate are fixed with two connecting rods that are the symmetric distribution down, two the top of connecting rod all is fixed with cylindricality pole top, the side top threaded connection of cylindricality pole has the internal thread cover, the bottom mounting of internal thread cover has spring limiting plate an, be provided with the pagoda spring that the cover was located on the cylindricality pole side between spring limiting plate a and the spring limiting plate b.

In the scheme, a sliding block is fixed on the inner diameter side surface of the spring limiting plate b, and a guide groove matched with the sliding block in a sliding manner is formed in the side surface of the cylindrical rod.

It is further worth explaining that the two guide grooves and the two sliding blocks are arranged and are symmetrically distributed.

It should be further noted that a convex plate is fixed at the top end of the internal thread sleeve, and the outer diameter of the convex plate is larger than the outer diameters of the top plate and the spring limiting plate a.

In a preferred embodiment, a plurality of ribs are fixed on the side surface of the convex plate, and the ribs are distributed annularly.

In a preferred embodiment, the top ends of the cylindrical rods are fixed with a top plate, and the top ends of the two connecting rods are fixed with the side surface of the top plate.

Compared with the prior art, the utility model provides a pair of high-speed flush joint machine thread clamp subassembly includes following beneficial effect at least:

(1) When spring limiting plate b received pagoda spring's elastic force effect to remove, spring limiting plate b drove the slider and slides in the guide way to carry out spacing direction to the removal of going up the clamp, avoid going up the mutual skew of clamp and lower clamp, frictional force when a plurality of protruding muscle of setting have effectively improved the staff and have rotated the boss, convenient operation.

(2) The sewing thread is stably and uniformly led onto the sewing needle through the middle of the upper thread clamping plate and the lower thread clamping plate of the thread clamping device assembly, so that the whole flat sewing machine can play a normal function to finish work; the problem of during the lead wire sewing thread card line appear easily is solved, overall structure is compact, the structure is comparatively simple.

Drawings

FIG. 1 is a schematic view of the overall structure of the present invention;

FIG. 2 is a schematic view of the overall cross-sectional structure of the present invention;

FIG. 3 is an enlarged schematic view of the structure at A in FIG. 2;

fig. 4 is a schematic view of the local structure of the convex plate of the present invention.

In the figure: 1. a cylindrical rod; 2. a top plate; 3. a connecting rod; 4. a convex plate; 5. a spring limiting plate a; 6. a spring limiting plate b; 7. a pagoda spring; 8. mounting a wire clamping plate; 10. a lower wire clamping plate; 11. a sliding sleeve; 12. a rib is protruded; 13. an internal thread sleeve; 14. a guide groove; 15. a slide block.

Detailed Description

The present invention will be further described with reference to the following examples.

In order to make the purpose, technical scheme and advantage of the embodiment of the present invention clearer, the following will combine the drawings of the embodiments of the present invention to clearly and completely describe the technical scheme of the embodiments of the present invention, and obviously, the described embodiments are a part of the embodiments of the present invention, rather than all embodiments, and based on the described embodiments of the present invention, all other embodiments obtained by the ordinary skilled person in the art on the premise of not needing creative work all belong to the scope of protection of the present invention.

The following examples are intended to illustrate the invention, but are not intended to limit the scope of the invention. The condition in the embodiment can be according to concrete condition do further adjustment the utility model discloses a it is right under the design prerequisite the utility model discloses a simple improvement of method all belongs to the utility model discloses the scope of requiring protection.

Referring to fig. 1-4, the utility model provides a high-speed lockstitch machine thread clamping device assembly, including the cylindricality pole 1, the side bottom sliding connection of cylindricality pole 1 has sliding sleeve 11, the top of sliding sleeve 11 is fixed with spring limiting plate b6, the bottom of sliding sleeve 11 is fixed with upper clamp 8, be provided with lower clamp 10 under upper clamp 8, the both ends of lower clamp 10 are fixed with two connecting rods 3 that are symmetrically distributed, the top of two connecting rods 3 all is fixed with the top of cylindricality pole 1, the side top threaded connection of cylindricality pole 1 has internal thread cover 13, the bottom of internal thread cover 13 is fixed with spring limiting plate a5, be provided with between spring limiting plate a5 and the spring limiting plate b6 and overlap pagoda spring 7 who locates on the cylindricality pole 1 side; when the sewing machine is used, the thread clamping device assembly of the high-speed lockstitch sewing machine is arranged on the machine head of the lockstitch sewing machine, sewing threads are led to the middle of the upper thread clamping plate 8 and the lower thread clamping plate 10 and then led onto a sewing needle, the inner thread sleeve 13 is screwed downwards, the upper thread clamping plate 8 and the lower thread clamping plate 10 are combined to keep proper tightness through the transmission of the elastic force of the pagoda spring 7, the normal work of the lockstitch sewing machine is ensured, the working button of the lockstitch sewing machine is started, the sewing threads pass through the middle of the upper thread clamping plate 8 and the lower thread clamping plate 10 of the thread clamping device assembly, the sewing threads are stably and uniformly led onto the sewing needle, the whole lockstitch sewing machine can play a normal function, and the work is completed; the problem that the sewing thread is easy to clamp during threading is solved, the integral structure is compact, the function is optimized, the installation is convenient, and the tightness of the sewing thread can be quickly adjusted by rotating the internal thread sleeve 13 forward and backward; the phenomena of wire jumping, wire breaking, wire clamping and wire cutting in the processing process of the flat sewing machine can be eliminated, and the processed clothes appearance sewing line is uniform, smooth and firm in space.

Further as shown in fig. 2 and 3, it is worth specifically explaining that a sliding block 15 is fixed on the inner diameter side surface of the spring limiting plate b6, and a guide groove 14 which is in sliding fit with the sliding block 15 is formed on the side surface of the cylindrical rod 1; when the concrete during operation, spring limiting plate b6 received pagoda spring 7's elastic force effect to remove, spring limiting plate b6 drives slider 15 and slides in guide way 14 to carry out spacing direction to the removal of going up the double-layered board 8, avoid going up the mutual skew of double-layered board 8 and lower double-layered board 10.

The scheme has the following working processes: when in use, a high-speed lockstitch sewing machine thread clamping device assembly is installed on a machine head of a lockstitch sewing machine, sewing threads are led to the middle of an upper thread clamping plate 8 and a lower thread clamping plate 10 and then are led to a sewing needle, a thread sleeve 13 is screwed downwards, the proper tightness is kept by combining the upper thread clamping plate 8 and the lower thread clamping plate 10 through the transmission of the elasticity of a pagoda spring 7, the normal work of the lockstitch sewing machine is guaranteed, a working button of the lockstitch sewing machine is started, at the moment, the sewing threads are led to the middle of the upper thread clamping plate 8 and the lower thread clamping plate 10 through the thread clamping device assembly, the sewing threads are stably and uniformly led to the sewing needle, the whole lockstitch sewing machine can play a normal function, the work is completed, when a spring limiting plate b6 moves under the elasticity of the pagoda spring 7, the spring limiting plate b6 drives a sliding block 15 to slide in a guide groove 14, the movement of the upper thread clamping plate 8 is limited and guided, and the mutual offset of the upper thread clamping plate 8 and the lower thread clamping plate 10 is avoided.

According to the working process, the following steps are known: the sewing thread passes through the middle of an upper thread clamping plate 8 and a lower thread clamping plate 10 of the thread clamping device assembly, and is stably and uniformly guided to the sewing needle, so that the whole sewing machine can play a normal function to finish work; the problem that the sewing thread is easy to clamp during threading is solved, the integral structure is compact, the function is optimized, the installation is convenient, and the tightness of the sewing thread can be quickly adjusted by rotating the internal thread sleeve 13 forward and backward; the phenomena of wire jumping, wire breaking, wire clamping and wire cutting in the processing process of the flat sewing machine can be eliminated, and the processed clothing appearance sewing line is even, flat and firm in space.

As further shown in fig. 2, it should be noted that there are two guide grooves 14 and two slide blocks 15, and the two guide grooves 14 and the two slide blocks 15 are symmetrically distributed.

As further shown in fig. 1 and 2, it is worth specifically explaining that a convex plate 4 is fixed at the top end of the internal thread sleeve 13, and the outer diameter of the convex plate 4 is larger than the outer diameters of the top plate 2 and the spring limit plate a 5; when the novel multifunctional electric wrench works specifically, the convex plate 4 is rotated to drive the internal thread sleeve 13 to rotate, and operation is convenient.

As further shown in fig. 2 and fig. 4, it is worth specifically describing that a plurality of ribs 12 are fixed on the side surface of the convex plate 4, and the ribs 12 are distributed annularly; during specific work, the arranged convex ribs 12 effectively improve the friction force when the convex plate 4 is rotated by hands, and the operation is convenient.

As further shown in fig. 1 and 2, it is worth concretely explaining that the top end of the cylindrical rod 1 is fixed with the top plate 2, and the top ends of the two connecting rods 3 are both fixed with the side surface of the top plate 2.

To sum up: the sewing thread is stably and uniformly led onto the sewing needle through the middle of the upper thread clamping plate 8 and the lower thread clamping plate 10 of the thread clamping device assembly, so that the whole flat sewing machine can play a normal function to finish work; the problem that the sewing thread is easy to clamp during threading is solved, the integral structure is compact, the function is optimized, the installation is convenient, and the tightness of the sewing thread can be quickly adjusted by rotating the internal thread sleeve 13 forward and backward; the phenomenon of wire jumping, wire breaking, wire clamping and wire cutting of the flat sewing machine in the machining process can be eliminated, the distance between the appearance sewing lines of the machined clothes is uniform, flat and firm, the convex plate 4 is rotated to drive the internal thread sleeve 13 to rotate, the operation is convenient, the friction force of a human hand when the convex plate 4 is rotated is effectively improved through the arranged convex ribs 12, and the operation is convenient.

Unless otherwise defined, technical or scientific terms used herein shall have the ordinary meaning as understood by those of ordinary skill in the art, and the use of the term "including" or "comprising" in the present application shall mean that the element or item preceding the term covers the element or item listed after the term and its equivalents, but does not exclude other elements or items, and the term "connected" or "connected" is not limited to physical or mechanical connections, and may include electrical connections, whether direct or indirect, "upper", "lower", "left", "right", etc. merely indicate relative positional relationships, and when the absolute position of the object being described is changed, the relative positional relationships may be changed accordingly.

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

Claims

1. The utility model provides a high-speed flush joint machine thread clamp subassembly, includes cylindricality pole (1), its characterized in that, the side bottom sliding connection of cylindricality pole (1) has sliding sleeve (11), the top of sliding sleeve (11) is fixed with spring limiting plate b (6), the bottom mounting of sliding sleeve (11) has last thread clamp (8), be provided with down thread clamp (10) under going up thread clamp (8), the both ends of thread clamp (10) are fixed with two connecting rods (3) that are the symmetric distribution down, two the top of connecting rod (3) all is fixed with cylindricality pole (1) top, the side top threaded connection of cylindricality pole (1) has internal thread cover (13), the bottom mounting of internal thread cover (13) has spring limiting plate a (5), be provided with between spring limiting plate a (5) and the spring limiting plate b (6) and overlap tower spring (7) of locating on cylindricality pole (1) side.

2. The thread clamp assembly of the high-speed lockstitch sewing machine according to claim 1, characterized in that a slide block (15) is fixed on the inner diameter side of the spring limit plate b (6), and a guide groove (14) which is matched with the slide block (15) in a sliding way is formed on the side of the cylindrical rod (1).

3. A clincher assembly as claimed in claim 2 wherein there are two of said guide slots (14) and sliders (15) and both of said guide slots (14) and sliders (15) are symmetrically disposed.

4. The high-speed lockstitch machine wire clamping device assembly according to claim 1, characterized in that the top end of the internal thread sleeve (13) is fixed with a convex plate (4), and the outer diameter of the convex plate (4) is larger than the outer diameters of the top plate (2) and the spring limiting plate a (5).

5. The thread clamp assembly of the high-speed lockstitch sewing machine according to claim 4, characterized in that a plurality of ribs (12) are fixed on the side surface of the convex plate (4), and the plurality of ribs (12) are distributed annularly.

6. A clincher assembly of a high speed lockstitch sewing machine as claimed in claim 1 wherein the top end of the cylindrical bar (1) is secured to the top plate (2) and the top ends of both of the connecting bars (3) are secured to the sides of the top plate (2).