CN219297752U - Overedger - Google Patents

Abstract

The utility model discloses a sewing machine, which aims at providing an overedger, and has the technical scheme that the overedger comprises an overedger shell and a presser foot arranged on the overedger shell, wherein the overedger shell is also provided with a positioning auxiliary module and a distance adjusting rod, the presser foot is arranged on the overedger shell through the auxiliary positioning module, the distance adjusting rod is used for controlling the working height of the presser foot through adjusting the position of the auxiliary positioning module, the auxiliary positioning module comprises a rotating assembly, a rotating rod, a first connecting rod and a second connecting rod which are arranged on the overedger shell, the rotating assembly comprises a center shaft, a rotating wheel, a reset spring, a connecting block, a sleeve and a rotating shaft, the rotating assembly is used for controlling the rotating rod to vertically rotate around the center shaft and horizontally rotate around the rotating shaft, the rotating rod is connected with the sleeve in a rotating way, and the first connecting rod and the second connecting rod are arranged at the other end of the rotating rod and are used for connecting the presser foot.

Description

Overedger

Technical Field

The utility model relates to the field of sewing machines, in particular to an overedger.

Background

The overseam machine is a machine for sewing the overlock of textile, in the sewing process, the overseam machine presses the cloth to be sewn on a needle plate through a presser foot, and during the sewing stopping period and the sewing ending period, the operation of lifting or putting down the presser foot is also carried out, most of the presser feet of the existing overseam machine are connected inside the overseam machine and are connected on the same shaft body with a needle head, when the presser foot breaks down, the overseam machine shell is required to be disassembled to maintain the presser foot, the operation is complex, the production is not facilitated, and therefore, the overseam machine with the position controllable presser foot is needed to be installed and maintained conveniently.

Disclosure of Invention

Aiming at the defects existing in the prior art, the utility model aims to provide an overedger.

In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides an overedger, including the overedger casing and set up the presser foot on the overedger casing, still be provided with location auxiliary module and pitch-adjusting pole on the overedger casing, the presser foot passes through auxiliary positioning module to be set up on the overedger casing, the pitch-adjusting pole is used for through adjusting auxiliary positioning module position in order to control the working height of presser foot, auxiliary positioning module is including setting up the rotating assembly on the overedger casing, the dwang, first connecting rod and second connecting rod, the rotating assembly is including setting up the axis on the overedger casing, the cover locates the runner outside the axis, the cover locates the reset spring outside the axis, the connecting block that sets up on the runner, set up the sleeve pipe in connecting block end side and set up the intraductal pivot of cover, the rotating assembly is used for controlling the dwang around the vertical rotation of axis and revolute axle horizontal rotation, the dwang passes through pivot and sleeve pipe rotation connection, first connecting rod and second connecting pipe set up in the dwang other one end, and be used for connecting, pitch-adjusting rod end side is contradicted with the dwang lever arm.

The utility model is further provided with: and the side of the distance adjusting rod end is fixedly connected with a limiting groove connected with the rotating rod, and the limiting groove is clamped with the lever arm of the rotating rod.

The utility model is further provided with: one end of the first connecting rod is provided with a screw hole and is connected with the rotating rod through a screw, and the other end of the first connecting rod is fixedly connected with the presser foot through a screw.

The utility model is further provided with: the second connecting rod end side is provided with the spread groove, and the rotating rod end side is provided with the quarter butt of grafting in the spread groove, and the cell wall of spread groove both sides is passed through the screw and is advanced to contract in order to fix the clamp quarter butt, and the other end of second connecting rod passes through screw and presser foot fixed connection.

The utility model is further provided with: the side wall of the rotating rod is provided with a through hole for connecting the middle shaft.

Through adopting above-mentioned technical scheme, presser foot and dwang fixed connection, the dwang can be around the vertical rotation of axis, still can revolute rotation axis horizontal rotation simultaneously, when the presser foot trouble, the accessible adjustment roll adjustment pole makes dwang and spacing groove break away from the back, control dwang horizontal rotation, thereby maintain the presser foot, when at the presser foot during operation, reset spring control dwang atress all the time, make the dwang want to keep away from work plane motion, but because receive the pressure of roll adjustment pole, can be through the control roll adjustment pole push down the degree of depth and control the presser foot from work plane's height, the roughness adjustable different work height to different materials, the presser foot is connected jointly to first connecting rod and second connecting rod, can guarantee that the presser foot is connected firmly with the dwang end side.

Drawings

FIG. 1 is a schematic view of an embodiment of an overedger according to the present utility model;

FIG. 2 is a schematic diagram of a positioning assistance module;

FIG. 3 is a top view of the rotating assembly;

FIG. 4 is a schematic view of a rotating lever;

reference numerals in the drawings: 1. an overedger housing; 2. a presser foot; 3. a positioning auxiliary module; 4. a distance adjusting rod; 5. a rotating lever; 6. a first connecting rod; 7. a second connecting rod; 8. a center shaft; 9. a rotating wheel; 10. a return spring; 11. a connecting block; 12. a sleeve; 13. a rotating shaft; 14. a limit groove; 15. a connecting groove; 16. a short bar; 17. and a through hole.

Detailed Description

An embodiment of the overedger according to the utility model is further described with reference to fig. 1 to 4.

Spatially relative terms, such as "upper," "lower," "left," "right," and the like, may be used in the embodiments for ease of description to describe one element or feature's relationship to another element or feature's illustrated in the figures. It will be understood that the spatial terms are intended to encompass different orientations of the device in use or operation in addition to the orientation depicted in the figures. For example, if the device in the figures is turned over, elements described as "under" other elements or features would then be oriented "over" the other elements or features. Thus, the exemplary term "lower" may encompass both an upper and lower orientation. The device may be otherwise positioned (rotated 90 degrees or at other orientations) and the spatially relative descriptors used herein interpreted accordingly.

Moreover, relational terms such as "first" and "second", and the like, may be used solely to distinguish one element from another element having the same name, without necessarily requiring or implying any actual such relationship or order between such elements.

The overedger comprises an overedger shell 1 and a presser foot 2 arranged on the overedger shell 1, wherein the overedger shell 1 is also provided with a positioning auxiliary module 3 and a distance adjusting rod 4, the presser foot 2 is arranged on the overedger shell 1 through the auxiliary positioning module, the distance adjusting rod 4 is used for controlling the working height of the presser foot 2 by adjusting the position of the auxiliary positioning module, the distance adjusting rod 4 is arranged inside the overedger shell 1, the end side of the distance adjusting rod 4 is provided with gear teeth, the surface of the overedger shell 1 is provided with a pulley, a linkage gear is arranged between the pulley and the distance adjusting rod 4, the pulley can be manually shifted to control the linkage gear to rotate, the linkage gear is meshed with the gear teeth to control the distance adjusting rod 4 to lift, the auxiliary positioning module comprises a rotating assembly arranged on the overedger shell 1, a rotating rod 5, a first connecting rod 6 and a second connecting rod 7, the rotating component comprises a center shaft 8 arranged on the overedger shell 1, a rotating wheel 9 sleeved outside the center shaft 8, a reset spring 10 sleeved outside the center shaft 8, a connecting block 11 arranged on the rotating wheel 9, a sleeve 12 arranged at the end side of the connecting block 11 and a rotating shaft 13 arranged in the sleeve 12, the rotating component is used for controlling the rotating rod 5 to vertically rotate around the center shaft 8 and horizontally rotate around the rotating shaft 13, the rotating rod 5 is rotationally connected with the sleeve 12 through the rotating shaft 13, one end of the center shaft 8 is fixedly connected with the internal structure of the overedger shell 1, the rotating wheel 9 can drive the rotating rod 5 to rotate around the center shaft 8, the other end of the center shaft 8 is inserted into a through hole 17 arranged at the end side of the rotating rod 5, the center shaft 8 is in clearance connection with the through hole 17, one end of the reset spring 10 sleeved outside the center shaft 8 is in conflict with a clamping block arranged on the center shaft 8, the other end of the reset spring is in conflict with the clamping block arranged on the inner wall of the through hole 17, when the rotating rod 5 is subjected to downward pressure rotation of the distance adjusting rod 4, the reset spring 10 can be compressed to generate elasticity, when the rotating rod 5 is not stressed by the distance adjusting rod 4, the reset spring 10 can shrink to drive the rotating rod 5 to reset, the connecting block 11 is integrally connected with the rotating wheel 9, a sleeve 12 is integrally connected to the end side of the rotating rod 5, after the end side of the rotating rod is aligned with the sleeve 12, the rotating rod 5 can rotate along the horizontal direction around the rotating shaft 13 through the joint connection of the rotating shaft 13, when the reset spring 10 is not stressed, the rotating rod 5 is parallel to a working plane, the presser foot 2 is close to the working plane, when the gap is formed between different materials, the pressing depth of the distance adjusting rod 4 can be finely adjusted by stirring a pulley, so that the presser foot 2 is close to the working plane, and when the reset spring 10 is not stressed, the presser foot 2 can also complete normal working tasks.

The first connecting rod 6 one end is provided with the screw, and be connected with dwang 5 through the screw, its other end passes through screw and presser foot 2 fixed connection, second connecting rod 7 end side is provided with spread groove 15, dwang 5 end side is provided with peg graft in spread groove 15's quarter butt 16, spread groove 15 both sides cell wall is through screw precession shrink in order to fix clamp quarter butt 16, second connecting rod 7 other end passes through screw and presser foot 2 fixed connection, presser foot 2 and dwang 5 level setting, when dismantling presser foot 2, at first with second connecting rod 7 with quarter butt 16 split, then with first connecting rod 6 with dwang 5 split, accomplish the dismantlement promptly, the operation is swift simple and easy, when installing or maintaining presser foot 2, can not waste more operating time.

The working principle of the utility model is as follows: the distance between the presser foot 2 and the working plane is quickly changed through the distance adjusting rod 4 so as to be suitable for materials with different friction forces, when the distance adjusting rod 4 is reset, the rotating rod 5 is automatically reset through the reset spring 10, the rotating rod 5 and the rotating wheel 9 are rotated, stability in rotation is guaranteed, when the presser foot 2 needs to be maintained, the distance adjusting rod 4 is lifted, the limiting groove 14 is separated from the rotating rod 5, then the rotating rod 5 is manually rotated outwards along the rotating shaft 13, the presser foot 2 can be maintained, when the rotating rod 5 is reset, the reset spring 10 is firstly installed, then the rotating rod 5 is rotated to the original position, and the limiting groove 14 is clamped with the lever arm of the rotating rod 5 through the descending distance adjusting rod 4, so that the assembly is completed.

The above description is only a preferred embodiment of the present utility model, and is not intended to limit the utility model, but one skilled in the art can make common changes and substitutions within the scope of the technical solution of the present utility model.

Claims (5)

1. The utility model provides an overedger, includes overedger casing (1) and presser foot (2) of setting on overedger casing (1), its characterized in that: the utility model discloses a hemming machine, which is characterized in that a positioning auxiliary module (3) and a distance adjusting rod (4) are further arranged on the hemming machine shell (1), the distance adjusting rod (4) is arranged on the hemming machine shell (1) through the auxiliary positioning module, the distance adjusting rod (4) is used for controlling the working height of the pressure adjusting rod (2) through adjusting the position of the auxiliary positioning module, the auxiliary positioning module comprises a rotating component, a rotating rod (5), a first connecting rod (6) and a second connecting rod (7) which are arranged on the hemming machine shell (1), the rotating component comprises a center shaft (8) arranged on the hemming machine shell (1), a rotating wheel (9) sleeved outside the center shaft (8), a reset spring (10) sleeved outside the center shaft (8), a connecting block (11) arranged on the rotating wheel (8), a sleeve (12) arranged on the end side of the connecting block (11) and a rotating shaft (13) arranged in the sleeve (12), the rotating component is used for controlling the rotating rod (5) to vertically rotate around the center shaft (8) and horizontally rotate around the rotating shaft (13), the rotating rod (5) is connected with the first connecting rod (6) through the sleeve (13) and the rotating rod (5) and the second connecting rod (2), the end side of the distance adjusting rod (4) is in interference with the lever arm of the rotating rod (5).

2. An overedger according to claim 1, characterized in that: the end side of the distance adjusting rod (4) is fixedly connected with a limiting groove (14) connected with the rotating rod (5), and the limiting groove (14) is clamped with the lever arm of the rotating rod (5).

3. An overedger according to claim 1, characterized in that: one end of the first connecting rod (6) is provided with a screw hole and is connected with the rotating rod (5) through a screw, and the other end of the first connecting rod is fixedly connected with the presser foot (2) through a screw.

4. An overedger according to claim 1, characterized in that: the connecting device is characterized in that a connecting groove (15) is formed in the end side of the second connecting rod (7), a short rod (16) inserted into the connecting groove (15) is arranged on the end side of the rotating rod (5), the groove walls on two sides of the connecting groove (15) are screwed into and contracted by screws to fixedly clamp the short rod (16), and the other end of the second connecting rod (7) is fixedly connected with the presser foot (2) by screws.

5. An overedger according to claim 1, characterized in that: the side wall of the rotating rod (5) is provided with a through hole (17) for connecting the middle shaft (8).

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