CN211142421U - Edge covering mechanism of sewing machine - Google Patents

Abstract

The utility model provides a hemming mechanism of a sewing machine, which belongs to the technical field of sewing machines. The hemming mechanism of the sewing machine comprises an operation table and a sewing machine body. The top of the operating table is provided with a chute, a slider is arranged in the chute, the top of the slider is fixedly connected with the bottom end of the object carrier, and there are lift plates and stoppers on both sides of the top of the object carrier. plate. The hemming mechanism of the sewing machine provided by the utility model can adjust the width of the hemming and fix the fabric, and then only need to push the loading plate to wrap the fabric on the loading plate, which ensures the linear movement of the fabric and avoids During the hemming process, due to the uneven strength of manual pulling of the fabric, the hemming sewing line is inclined, and at the same time, the staff is kept away from the needle on the sewing machine body, which improves the safety and facilitates the actual use.

Description

A sewing machine hemming mechanism

technical field

The utility model belongs to the technical field of sewing machines, in particular to a hemming mechanism of a sewing machine.

Background technique

In the prior art, a sewing machine is a machine that uses one or more sewing threads to form one or more stitches on the sewing material to interweave or sew one or more layers of the sewing material. The sewing machine can sew cotton, linen, silk, wool, man-made fibers and other fabrics and leather, plastic, paper and other products. And derived from it, hand-pushed embroidery computer embroidery and other art forms.

After searching, it is found that a hemming auxiliary structure of a sewing machine is disclosed in the Chinese patent with the authorization announcement number CN208038727U.

However, since the above technical solution only reduces the wear between the fabric and the hemming strip, there is still a possibility that when the cloth is manually pulled for hemming, the cloth may be inclined, thereby affecting the quality of the hemming, and the staff may touch the needle of the sewing machine. , there are certain security risks.

Utility model content

The purpose of this utility model is to provide a hemming mechanism of a sewing machine, which aims to solve the problem that when manually pulling the cloth hemming in the prior art, the cloth may be inclined, thereby affecting the quality of the hemming, and the staff may touch the sewing machine. needles, there are certain safety hazards.

In order to achieve the above-mentioned purpose, the present utility model provides the following technical scheme: comprising an operating table and a sewing machine body, the sewing machine body is arranged on the top of the operating table, and the top of the operating table is provided with a carrier plate matched with the sewing machine body, so the The top of the operating table is provided with a chute, the chute is provided with a sliding block, the top of the sliding block is fixedly connected with the bottom end of the carrier plate, and lift plates are respectively provided on both sides of the top of the carrier board and baffle, the top of the lift plate is provided with a top plate, the top of the lift plate is symmetrically provided with a through hole, and a limit slide bar is arranged in the through hole, and the top end of the limit slide bar is connected to the bottom end of the top plate Fixed connection, the bottom end of the limit slide bar is fixedly connected with the top end of the object carrier, the lift plate and the top plate are connected by an elastic mechanism, and the baffle is connected with the object carrier by a movable mechanism.

As a preferred option of the present invention, the elastic mechanism includes a movable side plate on one side of the top plate, the movable side plate and the top plate are movably connected through a number of hinges, and the bottom side of the movable side plate is fixedly connected with a first A support plate, one side of the lift plate is fixedly connected with a second support plate matched with the first support plate, and a spring located between the top plate and the lift plate is sleeved on the outside of the limit sliding rod.

As a preferred option of the present invention, the movable mechanism includes a movable block arranged at the bottom end of the baffle plate, a movable groove is opened on one side of the top end of the object carrier, the movable block is located in the movable groove, and the movable groove is located in the movable groove. There is a rotating rod inside, the rotating rod penetrates the movable block, one end of the rotating rod is connected with the rotating block on one side of the loading plate, and the other end of the rotating rod is connected with the inner wall of one side of the movable slot through the bearing seat .

As a preferred form of the present invention, the connection between the rotating rod and the movable block is a threaded connection.

As a preferred option of the present invention, limit slots are symmetrically provided on both inner walls of the chute, and a limit block is arranged in the limit slot, and the limit block is fixedly connected to the slider.

As a preferred option of the present invention, the bottom end of the lifting plate is fixedly connected with an anti-skid pad.

Compared with the prior art, the beneficial effects of the present utility model are:

1. By setting the cooperation of the carrier plate, the lifting plate, the baffle, the chute, the slider, the top plate, the limit slider, the through hole, the elastic mechanism and the adjustment mechanism, the width of the hemming can be adjusted and the fabric can be fixed. , and then only need to push the carrier plate, then the cloth on the carrier plate can be hemmed, which ensures the linear movement of the cloth and avoids the inclination of the hemming sewing line caused by the uneven strength of manual pulling of the cloth during the hemming process. At the same time, the staff is kept away from the needle on the sewing machine body, which improves safety and facilitates actual use.

2. By setting the cooperating action of the limit groove and the limit block, the sliding stability of the loading board is improved, and the sliding block is prevented from being separated from the chute, and the friction force between the lifting board and the cloth is increased by the set anti-skid pad , to reduce the possibility of the fabric sliding relative to the lift plate.

Description of drawings

The accompanying drawings are used to provide a further understanding of the present invention, and constitute a part of the specification, and are used to explain the present invention together with the embodiments of the present invention, and do not constitute a limitation to the present invention. In the attached image:

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

Fig. 2 is the partial enlarged schematic diagram of A place in Fig. 1;

Figure 3 is a side view of the utility model.

In the figure: 1. Operating table; 2. Sewing machine body; 3. Loading plate; 4. Lifting plate; 5. Baffle plate; 6. Chute; 7. Slider; 8. Top plate; 9. Limiting slide bar; 10, through hole; 11, movable side plate; 12, hinge; 13, first support plate; 14, second support plate; 15, spring; 16, rotating rod; 17, bearing seat; 18, rotating block; 19, Activity slot; 20, limit slot; 21, limit block; 22, movable block.

Detailed ways

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.

Example 1

Please refer to Figures 1-3, the present invention provides the following technical solutions.

In a specific embodiment of the present invention, the hemming mechanism of the sewing machine includes: an operation table 1 and a sewing machine body 2, the sewing machine body 2 is arranged on the top of the operation table 1, and the top of the operation table 1 is provided with the sewing machine body. 2. The matching object board 3, the top of the operating table 1 is provided with a chute 6, the chute 6 is provided with a slider 7, and the top of the slider 7 is fixed with the bottom end of the object board 3 A lift plate 4 and a baffle 5 are respectively provided on both sides of the top of the loading plate 3, a top plate 8 is arranged above the lift plate 4, and a through hole 10 is symmetrically opened at the top of the lift plate 4, so A limit slide bar 9 is arranged in the through hole 10 , the top end of the limit slide bar 9 is fixedly connected with the bottom end of the top plate 8 , and the bottom end of the limit slide bar 9 is fixedly connected with the top end of the object carrier 3 , The lift plate 4 and the top plate 8 are connected by an elastic mechanism, and the baffle 5 and the object carrier plate 3 are connected by a movable mechanism.

Specifically, the elastic mechanism includes a movable side plate 11 on one side of the top plate 8 , the movable side plate 11 is movably connected to the top plate 8 through a plurality of hinges 12 , and the bottom side of the movable side plate 11 is fixedly connected with a first A support plate 13, one side of the lift plate 4 is fixedly connected with a second support plate 14 matched with the first support plate 13, the outer sleeve of the limit slide bar 9 is located between the top plate 8 and the lift plate 4. between the springs 15.

In this embodiment, the position of the lifting plate 4 is adjusted, and the cloth is fixed by the cooperation of the lifting plate 4 and the carrier plate 3 .

Specifically, the movable mechanism includes a movable block 22 disposed at the bottom end of the baffle plate 5 , a movable slot 19 is formed on the top side of the object carrier 3 , the movable block 22 is located in the movable slot 19 , and the movable slot 19 is provided with a rotating rod 16, the rotating rod 16 penetrates through the movable block 22, one end of the rotating rod 16 is connected with the rotating block 18 on one side of the loading plate 3, and the other end of the rotating rod 16 is connected with the movable groove One side inner wall of 19 is connected by bearing seat 17 .

In this embodiment, the position of the baffle 5 is changed according to the actual situation to complete the adjustment of the width of the wrapping.

Specifically, the connection between the rotating rod 16 and the movable block 22 is a screw connection.

In this embodiment, the connection mode of the rotating rod 16 and the movable block 22 is limited, so that the rotation of the rotating rod 16 can drive the movable block 22 to move.

Specifically, limit slots 20 are symmetrically defined on both inner walls of the chute 6 , and a limit block 21 is arranged in the limit slot 20 , and the limit block 21 is fixedly connected with the slider 7 .

In this embodiment, the sliding stability of the object carrier 3 is improved, and the sliding block 7 is prevented from being separated from the chute 6 .

Specifically, the bottom end of the lift plate 4 is fixedly connected with an anti-skid pad.

In this embodiment, the friction force between the lifting plate 4 and the cloth is increased to reduce the possibility of the cloth sliding relative to the lifting plate 4 .

The working principle and use process of the present utility model: Pull the movable side plate 11, so that the movable side plate 11 rotates with the hinge 12 as the rotation axis, so that the first support plate 13 is no longer located above the second support plate 14, and then pull up the first support plate 14. Two supporting plates 14, the lifting plate 4 moves toward the top plate 8, and the spring 15 is in a compressed state. When the second supporting plate 14 rises to a certain height, the movable side plate 11 is released, and then the movable side plate 11 drives the first supporting plate 13. Move to the bottom of the second support plate 14, and then release the second support plate 14, so that the second support plate 14 is in contact with the first support plate 13, so that the lift plate 4 and the carrier plate 3 always maintain a certain distance, according to It is necessary to rotate the rotating block 18, so that the rotating rod 16 drives the movable block 22 to move, and then changes the position of the baffle 5 according to the actual situation, completes the adjustment of the width of the hemming, and then passes the cloth between the lifting plate 4 and the loading plate 3. , and finally make one end of the cloth contact with the baffle 5, and then move the movable side plate 11, so that the movable side plate 11 rotates with the hinge 12 as the rotation axis, so that the first support plate 13 is no longer located at the bottom end of the second support plate 14 , release the first support plate 13 to the position of the second support plate 14, and then the spring 15 drives the lifting plate 4 to move down through the elastic force, so that the cloth is clamped between the lifting plate 4 and the loading plate 3. The friction between the large lifting plate 4 and the cloth reduces the possibility of the cloth sliding relative to the lifting plate 4, and then starts the sewing machine body 2, and at the same time only needs to push the loading plate 3, the fabric on the loading plate 3 can be hemmed. At the same time, the slider 7 slides in the chute 6, which ensures the linear movement of the fabric, and avoids the inclination of the sewing line of the hemming due to the uneven strength of manual pulling of the fabric during the hemming process, and at the same time keeps the staff away from the sewing machine on the main body 2 of the sewing machine. The needle head improves safety and facilitates practical use. By setting the limit groove 20 and the limit block 21 to cooperate, the sliding stability of the object board 3 is improved, and the slider 7 is prevented from being separated from the chute 6 .

Finally, it should be noted that the above are only the preferred embodiments of the present invention, and are not intended to limit the present invention. , it is still possible to modify the technical solutions described in the foregoing embodiments, or perform equivalent replacements to some of the technical features. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present invention shall be included in the protection scope of the present invention.

Claims (6)

1. A hemming mechanism for a sewing machine, characterized in that it comprises: an operating table (1) and a sewing machine body (2), wherein the sewing machine body (2) is arranged on the top of the operating table (1), and the operating table ( The top end of 1) is provided with a carrier plate (3) which is matched with the sewing machine body (2). Block (7), the top end of the slider (7) is fixedly connected with the bottom end of the carrier plate (3), and the top two sides of the carrier plate (3) are respectively provided with a lift plate (4) and a baffle plate (5), a top plate (8) is arranged above the lift plate (4), a through hole (10) is symmetrically opened at the top of the lift plate (4), and a limit slide is arranged in the through hole (10). A rod (9), the top end of the limit slide rod (9) is fixedly connected with the bottom end of the top plate (8), and the bottom end of the limit slide rod (9) is fixedly connected with the top end of the object carrier (3) , the lifting plate (4) and the top plate (8) are connected by an elastic mechanism, and the baffle plate (5) is connected with the loading plate (3) by a movable mechanism. 2 . The hemming mechanism of the sewing machine according to claim 1 , wherein the elastic mechanism comprises a movable side plate ( 11 ) on one side of the top plate ( 8 ), and the movable side plate ( 11 ) is connected to the top plate ( 8 ). 3 . 8) A first support plate (13) is fixedly connected to the bottom side of the movable side plate (11) through a plurality of hinges (12), and one side of the lifting plate (4) is fixedly connected to the first support plate (13). A second support plate (14) matched with the support plate (13), a spring (15) located between the top plate (8) and the lift plate (4) is sleeved on the outside of the limit slide bar (9). 3. The hemming mechanism of the sewing machine according to claim 1, wherein the movable mechanism comprises a movable block (22) arranged at the bottom end of the baffle plate (5), and the top end of the object carrier plate (3) is a A movable groove (19) is provided on the side, the movable block (22) is located in the movable groove (19), and a rotating rod (16) is arranged in the movable groove (19), and the rotating rod (16) penetrates through the movable block (22), one end of the rotating rod (16) is connected to the rotating block (18) located on one side of the loading plate (3), and the other end of the rotating rod (16) is connected to one side of the movable slot (19) The inner wall is connected by the bearing seat (17). 4 . The hemming mechanism of a sewing machine according to claim 3 , wherein the connection between the rotating rod ( 16 ) and the movable block ( 22 ) is a threaded connection. 5 . 5 . The hemming mechanism of a sewing machine according to claim 1 , wherein limit slots ( 20 ) are symmetrically provided on both inner walls of the chute ( 6 ), and limit slots ( 20 ) are provided in the limit slots ( 20 ). 6 . A position block (21), the limit block (21) is fixedly connected with the slider (7). 6 . The hemming mechanism of the sewing machine according to claim 1 , wherein a non-slip pad is fixedly connected to the bottom end of the lifting plate ( 4 ). 7 .

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