CN209759750U

CN209759750U - Novel serger

Info

Publication number: CN209759750U
Application number: CN201920177544.3U
Authority: CN
Inventors: 钱宇
Original assignee: Individual
Current assignee: Wenzhou Shendian Hardware Manufacturing Co.,Ltd.
Priority date: 2019-01-31
Filing date: 2019-01-31
Publication date: 2019-12-10
Anticipated expiration: 2029-01-31

Abstract

The utility model provides a novel overlock used for being connected with a presser bar of a roller car, which comprises a connecting seat, a positioning seat, a rotating seat and an overlock; the left end of the connecting seat is fixedly connected with the presser foot rod; the left end of the positioning seat is opposite to the right end of the connecting seat; the rear end of the rotating seat is arranged between the right end of the connecting seat and the left end of the positioning seat, and the rear end of the rotating seat is respectively in rotating connection with the right end of the connecting seat and the left end of the positioning seat; the right-hand member of serger is the straight-bar structure and rotates with the front end that rotates the seat to be connected, and the left end of serger is the arc structure to this arc structure downwardly extending forms vertical portion of supporting. The utility model discloses simple structure, the operation is adjusted conveniently, and the practicality is stronger.

Description

Novel serger

Technical Field

the utility model relates to a sewing technical field, concretely relates to novel serger.

Background

The serger is close to the needle of the sewing machine and is adjusted according to the required edge width, so that the lines of the products produced by sewing are beautiful, the edges are neat, in addition, the production efficiency of workers can be improved, and the labor intensity of the workers is reduced.

The serger used in the factory at present is only composed of a plurality of iron plates, springs, parallel rolling bearings and a plurality of bolts. When adjusting the edge width, need cooperate corresponding bolt adjustment tool, and the combination part of limit chi iron plate on the regulator and altitude controller, it is unstable inadequately, concave crossing is shallow, use the regulator when adjusting, too clumsy, the performance is unstable enough, when adjusting height, can not adjust according to straight line stationary, make the altitude controller, take place crooked easily, even the width is inaccurate inadequately, on the current serger, buffer does not exist, only can parallel operation, appear the seam when the leather, unsmooth, the serger can not normal operating, take place easily and block, broken surface, phenomenons such as tuck, so both influence the product pleasing to the eye, also influence work efficiency. The bearing or the iron plate on the edge ruler iron plate has too straight or too high angle, thereby influencing the sight line, generating fatigue and blocking light.

SUMMERY OF THE UTILITY MODEL

To prior art's defect, the utility model provides a novel serger, its simple structure, the operation is adjusted conveniently, and the practicality is stronger.

The utility model provides a novel overlock used for being connected with a presser bar of a roller car, which comprises a connecting seat, a positioning seat, a rotating seat and an overlock;

The left end of the connecting seat is fixedly connected with the presser foot rod;

The left end of the positioning seat is opposite to the right end of the connecting seat;

The rear end of the rotating seat is arranged between the right end of the connecting seat and the left end of the positioning seat, and the rear end of the rotating seat is respectively in rotating connection with the right end of the connecting seat and the left end of the positioning seat;

The right-hand member of serger is the straight-bar structure and rotates with the front end that rotates the seat to be connected, and the left end of serger is the arc structure to this arc structure downwardly extending forms vertical portion of supporting.

The utility model has the advantages that the connecting seat, the positioning seat, the rotating seat and the overlock device are arranged, the connecting seat is fixedly connected with the presser bar, the connecting seat, the rotating seat and the positioning seat are sequentially installed, the rotating seat can rotate relative to the connecting seat and the positioning seat, the rotating seat drives the overlock device to rotate in the rotating process, so that the overlock device is close to or away from the needle head of the roller cart, in addition, the overlock device can also be directly rotated, the overlock device is adjusted to a proper position, the abutting part of the overlock device is directly contacted with the material, when the roller cart sews the material with uneven thickness, when the material advances to the position with changed thickness, the presser bar can adaptively move upwards or downwards, thereby driving the connecting seat to move upwards or downwards, further driving the overlock device to move upwards or downwards to adapt to the thickness of the material, the height of the abutting part of the overlock device is not required to be manually adjusted, the production, and reduces the labor intensity of workers.

In the above technical solution, the utility model discloses can also do following improvement.

The preferable technical scheme is characterized in that: the left side and the right side of the rear end of the rotating seat are respectively provided with two rotating parts, and the two rotating parts are correspondingly and rotatably arranged at the left end of the positioning seat and the right end of the connecting seat.

Two rotation portions that set up make the rotation seat have a pivot structure to make the rotation seat connecting seat and positioning seat rotate relatively.

The preferable technical scheme is characterized in that: the right end of the connecting seat, the rear end of the rotating seat and the left end of the positioning seat are connected in sequence from left to right through the rotating rod in a rotating mode.

the rotating rod enables the rotating seat to rotate relative to the connecting seat and the positioning seat.

The preferable technical scheme is characterized in that: the bottom of presser bar pole is equipped with grafting portion, the left end of connecting seat is equipped with the spliced eye, grafting portion with the spliced eye cooperation of pegging graft.

The connecting seat is connected to the presser foot rod by inserting the inserting part into the inserting hole.

The preferable technical scheme is characterized in that: the bottom of grafting portion is equipped with spacing bolt soon, the head footpath length of spacing bolt is greater than the aperture of spliced eye.

Through inserting the bottom of grafting portion with spacing bolt, can prevent like this that connecting seat and presser bar from separating.

The preferable technical scheme is characterized in that: an adjusting bolt is screwed on the rotating seat, the lower end of the adjusting bolt abuts against the positioning seat, and a spring or a gasket is arranged between the adjusting bolt and the rotating seat.

the distance between the rotating seat and the positioning seat can be finely adjusted by arranging the adjusting bolt.

the preferable technical scheme is characterized in that: and a return spring is arranged between the right end of the positioning seat and the right end of the rotating seat.

the distance between the rotating seat and the positioning seat can be adjusted by rotating the adjusting bolt, and the fine adjustment effect of the front position and the rear position can be formed under the action of the return spring.

The preferable technical scheme is characterized in that: the right end of the connecting seat is rotatably provided with a first fastening bolt.

the first fastening bolt can lock or loosen the rotating part or the rotating rod, so that the rotation can be locked or loosened.

The preferable technical scheme is characterized in that: and a second fastening bolt is rotatably arranged at the left end of the positioning seat.

The second fastening bolt can lock or loosen the rotating part or the rotating rod, so that the rotation can be locked or loosened.

The preferable technical scheme is characterized in that: and at least two third fastening bolts are arranged at the right end of the rotating seat, which is opposite to the overlock device.

The third fastening bolt can lock or loosen the serger.

The utility model has the advantages that: the utility model has the advantages that the connecting seat, the positioning seat, the rotating seat and the overlock device are arranged, the connecting seat is fixedly connected with the presser bar, the connecting seat, the rotating seat and the positioning seat are sequentially installed, the rotating seat can rotate relative to the connecting seat and the positioning seat, the rotating seat drives the overlock device to rotate in the rotating process, so that the overlock device is close to or away from the needle head of the roller cart, in addition, the overlock device can also be directly rotated, the overlock device is adjusted to a proper position, the abutting part of the overlock device is directly contacted with the material, when the roller cart sews the material with uneven thickness, when the material advances to the position with changed thickness, the presser bar can adaptively move upwards or downwards, thereby driving the connecting seat to move upwards or downwards, further driving the overlock device to move upwards or downwards to adapt to the thickness of the material, the height of the abutting part of the overlock device is not required to be manually adjusted, the production, and reduces the labor intensity of workers.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the embodiments or the technical solutions in the prior art will be briefly described below. Throughout the drawings, like elements or portions are generally identified by like reference numerals. In the drawings, elements or portions are not necessarily drawn to scale.

Fig. 1 is a schematic structural diagram of a novel serger in embodiment 1 of the present invention.

Fig. 2 is a schematic structural diagram of the connection seat according to embodiment 1 of the present invention.

Fig. 3 is a schematic structural diagram of the positioning seat according to embodiment 1 of the present invention.

Fig. 4 is a schematic structural view of a rotary base according to embodiment 1 of the present invention.

Fig. 5 is a schematic structural view of the serger of embodiment 1 of the present invention.

Fig. 6 is a schematic structural view of a rotating shaft according to embodiment 1 of the present invention.

Fig. 7 is a schematic structural view of a presser bar according to embodiment 1 of the present invention.

Fig. 8 is a schematic structural diagram of a novel serger in embodiment 2 of the present invention.

Detailed Description

To further understand the contents, features and functions of the present invention, the following embodiments are illustrated and described in detail as follows:

Example 1:

In the figure, the respective symbols have the following meanings:

1. A connecting seat; 11. a first fastening bolt; 12. inserting holes; 2. positioning seats; 21. a second fastening bolt; 3. a rotating seat; 32. adjusting the bolt; 33. a gasket; 34. a third fastening bolt; 4. a serger; 5. A rotating rod; 6. a return spring; 7. a presser bar; 71. a plug-in part; 72. and a limiting bolt.

as shown in fig. 1 to 7, the present embodiment provides a novel overlock, which is used for connecting with a presser bar 7 of a roller car, and comprises a connecting seat 1, a positioning seat 2, a rotating seat 3 and an overlock 4;

The connecting seat 1 is L-shaped, and the left end of the connecting seat 1 is fixedly connected with the presser foot rod 7;

The left end of the positioning seat 2 is opposite to the right end of the connecting seat 1;

The rear end of the rotating seat 3 is arranged between the right end of the connecting seat 1 and the left end of the positioning seat 2, and the rear end of the rotating seat 3 is respectively in rotating connection with the right end of the connecting seat 1 and the left end of the positioning seat 2;

The right-hand member of serger 4 is the straight-bar structure and rotates with the front end that rotates seat 3 to be connected, and the left end of serger 4 is the arc structure to this arc structure downwardly extending forms vertical portion of leaning on.

this embodiment is through setting up connecting seat 1, positioning seat 2, rotate seat 3 and serger 4, again with connecting seat 1 and presser bar 7 fixed connection, again with connecting seat 1, rotate seat 3 and positioning seat 2 and install in proper order, it can rotate connecting seat 1 and positioning seat 2 relatively to rotate seat 3, it is at the pivoted in-process to rotate seat 3, drive serger 4 and rotate, make serger 4 be close to or keep away from the syringe needle of roller car, in addition, can also directly rotate serger 4, make serger 4 adjust to suitable position, the portion of leaning on of serger 4 directly contacts with the material, when the uneven material of thickness is being made up to the roller car, when the material travels to the position of thickness variation, presser bar 7 self-adaptation upwards or downwards displacement, thereby drive connecting seat 1 upwards or downwards displacement, and then drive serger 4 upwards or downwards displacement in order to adapt to the thickness of material, the height of the abutting part of the serger 4 is not required to be manually adjusted, the production efficiency is greatly improved, and the labor intensity of workers is reduced.

Specifically, the right end of the connecting seat 1, the rear end of the rotating seat 3 and the left end of the positioning seat 2 are connected in sequence from left to right through the rotating rod 5 in a rotating manner.

The rotating rod 5 is arranged to enable the rotating seat 3 to rotate relative to the connecting seat 1 and the positioning seat 2.

Specifically, the bottom end of the presser bar 7 is provided with an insertion part 7, the left end of the connecting seat 1 is provided with an insertion hole 12, and the insertion part 7 is in insertion fit with the insertion hole 12.

Through pegging graft the spliced eye 12 with grafting portion 7 for connecting seat 1 is connected on presser foot pole 7, and in addition, grafting portion 7 in this embodiment cooperatees with the recess on the connecting seat 1, makes presser foot pole 7 can further be firmly connected on connecting seat 1.

specifically, the bottom end of the insertion part 7 is screwed with a limit bolt 72, and the diameter of the head of the limit bolt 72 is larger than the diameter of the insertion hole 12.

By inserting the limit bolt 72 into the bottom end of the insertion part 7, it is possible to prevent the connection holder 1 from being separated from the presser bar 7.

Specifically, an adjusting bolt 32 is screwed on the rotating seat 3, the lower end of the adjusting bolt 32 abuts against the positioning seat 2, and a gasket 33 is arranged between the adjusting bolt 32 and the rotating seat 3.

The adjusting bolt 32 is arranged to finely adjust the distance between the rotating seat 3 and the positioning seat 2.

Specifically, a return spring 6 is arranged between the right end of the positioning seat 2 and the right end of the rotating seat 3.

The distance between the rotating seat 3 and the positioning seat 2 can be adjusted by rotating the adjusting bolt 32, and the fine adjustment function of the front and rear positions can be formed by the action of the return spring 6.

Specifically, a first fastening bolt 11 is rotatably arranged at the position, right opposite to the rotating rod 5, of the right end of the connecting seat 1.

The first fastening bolt 11 is provided to lock or release the rotary lever 5, so that the rotation is locked or released.

Specifically, a second fastening bolt 21 is rotatably arranged at the position, right opposite to the rotating rod 5, of the left end of the positioning seat 2.

The second fastening screw 21 is provided to lock or release the rotary lever 5, so that the rotation is locked or released.

Specifically, at least two third fastening bolts 34 are arranged at the right end of the rotating seat 3 facing the overlock device 4.

The third fastening bolt 34 is provided to lock or release the serger 4.

Example 2:

In the figure, the same reference numerals as those in embodiment 1 are used, and the definition of the reference numerals in embodiment 1 is still used. The newly emerging individual symbols represent the following meanings:

31. A rotating part.

as shown in fig. 8, the present embodiment is different from embodiment 1 in that: the left and right sides of the rear end of the rotating seat 3 of this embodiment are respectively provided with two rotating parts 31, and the two rotating parts 31 are correspondingly and rotatably arranged at the left end of the positioning seat 2 and the right end of the connecting seat 1.

The two rotation portions 31 are provided to allow the rotation base 3 to have a rotation shaft structure, so that the rotation base 3 can rotate relative to the connection base 1 and the positioning base 2.

Specifically, a first fastening bolt 11 is rotatably arranged at a position, right opposite to the rotating part 31, of the right end of the connecting seat 1.

the first fastening bolt 11 is provided to lock or release the rotation portion 31, thereby locking or releasing the rotation.

specifically, a second fastening bolt 21 is rotatably disposed at a position, right opposite to the rotating portion 31, of the left end of the positioning seat 2.

The second fastening bolt 21 is provided to lock or release the rotation portion 31, thereby locking or releasing the rotation.

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential", and the like, indicate the orientation or positional relationship indicated based on the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.

Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless specifically limited otherwise.

in the present invention, unless otherwise expressly stated or limited, the terms "mounted," "connected," and "fixed" are to be construed broadly and may, for example, be fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.

In the present application, unless expressly stated or limited otherwise, the first feature may be directly on or directly under the second feature or indirectly via intermediate members. Also, a first feature "on," "over," and "above" a second feature may be directly or diagonally above the second feature, or may simply indicate that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature may be directly under or obliquely under the first feature, or may simply mean that the first feature is at a lesser elevation than the second feature.

In the description herein, references to the description of the term "one embodiment," "some embodiments," "an example," "a specific example," or "some examples," etc., mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above are not necessarily intended to refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples. Furthermore, various embodiments or examples and features of different embodiments or examples described in this specification can be combined and combined by one skilled in the art without contradiction.

although embodiments of the present invention have been shown and described, it is understood that the above embodiments are exemplary and should not be construed as limiting the present invention, and that variations, modifications, substitutions and alterations can be made to the above embodiments by those of ordinary skill in the art without departing from the scope of the present invention.

Claims

1. The utility model provides a novel serger for be connected with presser bar (7) of roller car, its characterized in that: comprises a connecting seat (1), a positioning seat (2), a rotating seat (3) and a serger (4);

The left end of the connecting seat (1) is fixedly connected with the presser foot rod (7);

The left end of the positioning seat (2) is opposite to the right end of the connecting seat (1);

The rear end of the rotating seat (3) is arranged between the right end of the connecting seat (1) and the left end of the positioning seat (2), and the rear end of the rotating seat (3) is respectively in rotating connection with the right end of the connecting seat (1) and the left end of the positioning seat (2);

The right-hand member of serger (4) is the straight-bar structure and rotates with the front end that rotates seat (3) to be connected, and the left end of serger (4) is the arc structure to this arc structure downwardly extending forms vertical portion of leaning on.

2. The novel serger of claim 1, wherein: the left side and the right side of the rear end of the rotating seat (3) are respectively provided with two rotating parts (31), and the two rotating parts (31) are correspondingly and rotatably arranged at the left end of the positioning seat (2) and the right end of the connecting seat (1).

3. The novel serger of claim 1, wherein: the right end of the connecting seat (1), the rear end of the rotating seat (3) and the left end of the positioning seat (2) are connected in sequence through the rotating rod (5) from left to right in a rotating mode.

4. The novel serger of claim 1, wherein: the bottom end of the presser foot rod (7) is provided with an inserting part (71), the left end of the connecting seat (1) is provided with an inserting hole (12), and the inserting part (71) is matched with the inserting hole (12) in an inserting manner.

5. The novel serger of claim 4, wherein: the bottom end of the inserting part (71) is provided with a limiting bolt (72) in a rotating mode, and the diameter of the head of the limiting bolt (72) is larger than the diameter of the inserting hole (12).

6. The novel serger of claim 1, wherein: rotate seat (3) top spin and be equipped with adjusting bolt (2), the lower extreme of adjusting bolt (2) support lean on in positioning seat (2), adjusting bolt (2) with rotate and be equipped with spring or gasket (33) between seat (3).

7. The novel serger of claim 6, wherein: and a return spring (6) is arranged between the right end of the positioning seat (2) and the right end of the rotating seat (3).

8. A novel serger as claimed in any one of claims 1 to 3, wherein: the right end of the connecting seat (1) is rotatably provided with a first fastening bolt (11).

9. A novel serger as claimed in any one of claims 1 to 3, wherein: and a second fastening bolt (21) is rotatably arranged at the left end of the positioning seat (2).

10. The novel serger of claim 1, wherein: and at least two third fastening bolts (34) are arranged at the right end of the rotating seat (3) opposite to the overlock (4).