Hemming bibcock for sewing machine

Abstract

The utility model discloses a hemming bibcock for a sewing machine, relates to the technical field of sewing machine accessories, and aims to provide a hemming bibcock for a sewing machine, which is convenient for adjusting the batching size and is suitable for cloth with different thicknesses, and comprises a fixed plate, a connecting block and a hemming mechanism, and the fixed plate and the hemming mechanism are respectively arranged on two sides of the connecting block; the hemming mechanism comprises a bottom plate, a hemming plate, a sliding plate and a locking bolt, and has the advantages that the sliding plate is fixed on one side of the hemming plate, slides in a sliding groove and is limited by a shifting rod elastic ring, the width of a hemming groove formed by the hemming plate and the bottom plate can be controlled, the hemming plate can be fixed on the bottom plate, and the hemming plate is fixed on the sliding plate. The graduated scale is arranged on the fixing plate, so that curled edges of different sizes can be conveniently machined; the pressing mechanism is arranged on the connecting block in the middle, the height of the hemming plate can be adjusted by adjusting the pressing bolt, so that the height of the hemming groove between the hemming plate and the bottom plate is adjusted, and the hemming device is suitable for hemming cloth with different thicknesses and convenient to operate.

Description

Technical Field

[0001] The utility model relates to the technical field of sewing machine accessories, and more specifically, to a curling faucet for a sewing machine. Background Art

[0002] Generally, sewing machines are composed of four parts: machine head, machine base, transmission and accessories. The machine head is the main part of the sewing machine, which consists of four mechanisms: piercing the material, hooking the thread, picking up the thread and feeding the material, and auxiliary mechanisms such as winding, pressing the material and dropping the teeth. The movements of each mechanism are coordinated reasonably and work in a cycle to sew the sewing materials together. The faucet is an important component on the machine head.

[0003] At present, a Chinese patent with application number CN201420067650.3 discloses a curling faucet for a sewing machine, which includes a curling faucet body, the curling faucet is composed of a first curling plate and a second curling plate stuck in the first curling plate, the two sides of the front end of the first curling plate are curled inward to form a curling groove, the side of the first curling plate is provided with a fixing plate, the rear end of the first curling plate is connected to a cloth support, and the front end of the second curling plate is provided with a cloth guide rod. Although it saves the trouble of manual folding and alignment and can improve the processing accuracy and work efficiency, the curling groove formed by the first curling plate and the second curling plate has a fixed size, which is inconvenient to adjust the width of the curling, and is only suitable for the rolling operation of cloth of common thickness. When the cloth is thicker, it cannot be limited by the curling groove. When the cloth is thinner, it is easy to slide out of the curling groove, and its practicality is poor. Utility Model Content

[0004] In view of the deficiencies in the prior art, the purpose of the utility model is to provide a curling faucet for a sewing machine which is easy to adjust the curling size and is suitable for fabrics of different thicknesses.

[0005] In order to achieve the above purpose, the utility model provides the following technical solutions:

[0006] A curling faucet for a sewing machine comprises a fixed plate, a connecting block and a curling mechanism, characterized in that the fixed plate is fixed to one side of the connecting block, the curling mechanism is placed on the other side of the connecting block, a clamping mechanism is provided on the connecting block, the curling mechanism comprises a base plate, a curling plate, a sliding plate and a lever, the base plate and one end of the connecting block are fixedly connected, a sliding groove is provided on the fixed plate, the sliding plate is placed in the sliding groove and is slidably connected to the sliding groove, a through groove is provided on the connecting block for the sliding plate to pass through, one end of the sliding plate passes through the through groove and is fixedly connected to one side of the curling plate, a through hole is provided on the sliding plate, the bottom end of the lever passes through the through hole and is fixed with a limiting ring, an elastic ring is also sleeved on the lever, and the elastic ring is placed on the through hole, the elastic ring can be snapped into the sliding groove, and the curling plate is placed above the base plate.

[0007] It is further configured that a clamping mechanism is provided on the connecting block, the clamping mechanism includes a clamping bolt, a gasket and a spring, a mounting groove is provided at the bottom of the through groove, the bottom end of the spring is fixed in the mounting groove, the gasket is fixed on the spring, a threaded hole connected to the through groove is provided on the connecting block, the clamping bolt is threadedly connected to the threaded hole, and the bottom end of the clamping bolt extends into the through groove and is placed above the gasket.

[0008] It is further configured that the curling plate includes a main board and a bending plate, the bending plate is L-shaped and fixed to one side of the main board, and a curling space is formed between the main board, the bending plate, the bottom plate and the connecting block.

[0009] It is further configured that a scale is provided on the fixed plate, and the scale is placed on one side of the sliding groove and corresponds to the sliding plate.

[0010] It is further configured that the fixing plate is provided with a folded edge, a limiting plate is fixed on one side of the folded edge, and a clamping groove is opened on the folded edge.

[0011] By adopting the above technical scheme, the beneficial effects of the utility model are as follows: by fixing the sliding plate on one side of the curling plate, the sliding plate slides in the sliding groove and is limited by the elastic ring of the lever, so that the width of the curling groove formed by the curling plate and the bottom plate can be controlled, and a scale is provided on the fixed plate to facilitate the processing of curlings of different sizes; by providing a clamping mechanism on the middle connecting block, the height of the curling plate can be adjusted by adjusting the clamping bolt, thereby adjusting the height of the curling groove between the curling plate and the bottom plate, which is convenient for inserting fabrics and is suitable for curling fabrics of different thicknesses. BRIEF DESCRIPTION OF THE DRAWINGS

[0012] Figure 1 It is a schematic diagram of the overall structure of an embodiment of the utility model.

[0013] Figure 2 It is a schematic cross-sectional structure diagram of an embodiment of the utility model.

[0014] Figure 3 It is a schematic diagram of the side structure of the connecting block according to an embodiment of the utility model.

[0015] Figure numerals: 1 fixed plate, 11 folded edge, 12 sliding groove, 13 snap-in groove, 14 limit plate, 2 connecting block, 21 through groove, 22 threaded hole, 23 mounting groove, 3 bottom plate, 4 curled edge plate, 41 main board, 42 bending plate, 5 sliding plate, 6 lever, 61 limit ring, 62 elastic ring, 7 clamping bolt, 8 gasket, 9 spring, 10 scale. DETAILED DESCRIPTION

[0016] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0017] Reference Figures 1 to 3 The embodiments of the utility model are further described.

[0018] A curling faucet for a sewing machine comprises a fixing plate 1, a connecting block 2 and a curling mechanism, wherein the fixing plate 1 and the curling mechanism are respectively arranged and fixed on two sides of the connecting block 2, the fixing plate 1 is fixedly connected to one side of the connecting block 2, a folding edge 11 is provided on the fixing plate 1, a limiting plate 10 is fixed on the left side of the folding edge 11 to prevent fabric displacement, and a clamping groove 13 is opened on the folding edge 11, and the clamping groove 13 can be clamped with a bolt on a sewing machine table, so that the faucet can be conveniently installed on the table for use with the sewing machine.

[0019] The curling mechanism includes a bottom plate 3, a curling plate 4, a sliding plate 5 and a lever 6. The bottom plate 3 is fixed to one side of the connecting block 2. The fixed plate 1 is provided with a sliding groove 12. The sliding plate 5 is placed in the sliding groove 12 and is slidably connected to the sliding groove 12. The connecting block 2 is provided with a through groove 21 for the sliding plate 5 to pass through. One end of the sliding plate 5 passes through the through groove 21 and is fixedly connected to one side of the curling plate 4. The sliding plate 5 is provided with a through hole slidably connected to the lever 6. The bottom end of the lever 6 passes through the through hole and is fixed with a limiting ring 61. The limiting ring 61 The diameter is larger than the through hole and cannot pass through the through hole. The limiting ring 61 can prevent the lever 6 from falling off. The lever 6 is also sleeved with an elastic ring 62. The elastic ring 62 is placed above the through hole. The elastic ring 62 can be snapped into the sliding groove 12. When the elastic ring 62 is placed above the sliding groove 12, pushing the lever 6 can make the sliding plate 5 and the curling plate 4 slide. When sliding to a suitable size position, press the lever 6 downward to make the elastic ring 62 snap into the sliding groove 12. The sliding plate 5 and the curling plate 4 are limited to a certain position to achieve the adjustment of the curling size.

[0020] The curling plate 4 includes a main board 41 and a bending plate 42. The bending plate 42 is L-shaped and fixed to one side of the main board. A curling space is formed between the main board 41, the bending plate 42, the bottom plate 3 and the connecting block 2. The fabric curling is folded and extends into the curling space. The bending plate 42 can limit the curling of the fabric.

[0021] The connecting block 3 is provided with a clamping mechanism, which includes a clamping bolt 7, a gasket 8 and a spring 9. The bottom end of the through slot is provided with a mounting slot 23, the bottom end of the spring 9 is fixed in the mounting slot, the gasket 8 is fixed to the top of the spring 9, the connecting block 2 is provided with a threaded hole 22 connected to the through slot 21, the clamping bolt 7 is threadedly connected to the threaded hole 22, the bottom of the clamping bolt 7 extends into the through slot 21 and is placed above the gasket 8, and when the sliding plate 5 extends into the through slot 21, the bottom of the clamping bolt 7 abuts against the top of the sliding plate 5, and the sliding plate 5 is placed on the gasket 8, and by loosening the clamping bolt 7 upwards, the originally compressed spring 9 is restored, driving the gasket 8 and the sliding plate 5 placed on the gasket 8 to move upward, so that the curling space between the curling plate 4 and the bottom plate 3 is increased, which is convenient for receiving fabrics or curling thicker fabrics; by tightening the clamping bolt 7 downwards, the sliding plate 5 and the gasket 8 can be pressed downward to compress the spring 9, and the sliding plate 5 drives the connected curling plate 4 to move downward, which can reduce the height of the curling space and facilitate the positioning of thin fabrics.

[0022] A scale 10 is provided on the fixed plate 1 , and the scale 10 corresponds to the sliding groove 10 , and the scale 10 can be used to conveniently and intuitively limit the size of the hemming.

[0023] The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention. Any common changes and substitutions made by those skilled in the art within the technical solution of the present invention should be included in the protection scope of the present invention.

Claims

1. A curling faucet for a sewing machine, comprising a fixing plate, a connecting block and a curling mechanism, characterized in that: The fixing plate is fixed to one side of the connecting block, the crimping mechanism is placed on the other side of the connecting block, and a clamping mechanism is provided on the connecting block. The curling mechanism includes a base plate, a curling plate, a sliding plate and a lever. The base plate is fixedly connected to one end of a connecting block. A sliding groove is provided on the fixed plate. The sliding plate is placed in the sliding groove and is slidably connected to the sliding groove. A through groove is provided on the connecting block for the sliding plate to pass through. One end of the sliding plate passes through the through groove and is fixedly connected to one side of the curling plate. A through hole is provided on the sliding plate. The bottom end of the lever passes through the through hole and is fixed with a limiting ring. An elastic ring is also sleeved on the lever, and the elastic ring is placed on the through hole. The elastic ring can be clamped in the sliding groove. The curling plate is placed above the base plate.

2. A curling faucet for a sewing machine according to claim 1, characterized in that: The connecting block is provided with a clamping mechanism, which includes a clamping bolt, a gasket and a spring. A mounting groove is provided at the bottom of the through groove, the bottom end of the spring is fixed in the mounting groove, the gasket is fixed on the spring, a threaded hole connected to the through groove is provided on the connecting block, the clamping bolt is threadedly connected to the threaded hole, and the bottom end of the clamping bolt extends into the through groove and is placed above the gasket.

3. The curling faucet for a sewing machine according to claim 1, characterized in that: The curling plate comprises a main board and a bending plate. The bending plate is L-shaped and fixed to one side of the main board. A curling space is formed between the main board, the bending plate, the bottom plate and the connecting block.

4. The curling faucet for a sewing machine according to claim 1, characterized in that: The fixed plate is provided with a scale, which is placed on one side of the sliding groove and corresponds to the sliding plate.

5. The curling faucet for a sewing machine according to claim 1, characterized in that: The fixing plate is provided with a folded edge, a limiting plate is fixed on one side of the folded edge, and a clamping groove is opened on the folded edge.

Images