CN220034868U - Calibrating mechanism for sewing machine - Google Patents

Abstract

The utility model relates to the technical field of sewing machines, and discloses a calibrating mechanism for a sewing machine, which solves the problem that a sewing object is inconvenient to flatten better at present and comprises a mounting seat, wherein the bottom of the mounting seat is provided with a lifting mechanism, the lifting mechanism is provided with a rotating mechanism, the lifting mechanism comprises a bottom column fixed at the bottom of the mounting seat, the bottom end of the bottom column is fixedly provided with a chassis, the outer side of the bottom column is movably provided with a movable ring, the outer side of the movable ring is provided with an outer groove, and a spring is fixedly connected between the movable ring and the chassis; according to the utility model, the movable ring is convenient to longitudinally move to extrude the sewing object through the cooperation between the movable ring and the bottom column and between the spring and the chassis, the movable ring can keep a horizontal state through the cooperation between the movable ring and the limiting rod and between the movable ring and the fixed ring, deformation caused by too tight extrusion of the sewing object is avoided through the elastic action of the spring, and accordingly, the sewing object can be flattened better.

Description

Calibrating mechanism for sewing machine

Technical Field

The utility model belongs to the technical field of sewing machines, and particularly relates to a calibrating mechanism for a sewing machine.

Background

The sewing machine is a machine for making needle and thread, and is generally provided with a pedal and a device which uses hands or a motor as power, and the sewing machine needs to calibrate when an object is sewn so as to achieve the effect of accurate sewing; according to the authorized bulletin number: CN213681189U, entitled "calibration device for industrial sewing machine", is provided with a limit post and a spring, and forms a sliding structure with a fixed block through the limit post, so that the spring stretches and contracts on the outer surface of the limit post, thereby damping the interior and preventing the phenomenon that the connecting post is directly extruded with a sewing object, resulting in damage of the sewing object; the following drawbacks still remain:

the limiting column is in sliding connection with the fixed block, a large number of mechanisms are arranged at the bottom end of the limiting column, so that the limiting column is easy to incline, the calibration plate at the bottom end of the limiting column cannot be kept in a horizontal state at any time, and the sewing object cannot be flattened conveniently and better.

Disclosure of Invention

Aiming at the situation, in order to overcome the defects of the prior art, the utility model provides the calibrating mechanism for the sewing machine, which effectively solves the problem that the sewing object is not convenient to flatten better at present.

In order to achieve the above purpose, the present utility model provides the following technical solutions: the calibrating mechanism for the sewing machine comprises a mounting seat, wherein a lifting mechanism is arranged at the bottom of the mounting seat, and a rotating mechanism is arranged on the lifting mechanism;

the lifting mechanism comprises a bottom column fixed at the bottom of the mounting seat, a chassis is fixedly arranged at the bottom end of the bottom column, a movable ring is movably arranged at the outer side of the bottom column, an outer groove is formed in the outer side of the movable ring, a spring is fixedly connected between the movable ring and the chassis, the spring is movably sleeved with the bottom column, a fixed ring is fixedly sleeved at the outer side of the bottom column, the fixed ring is positioned right above the movable ring, a limiting rod is fixedly arranged at the top of the movable ring at equal angles, the top end of the limiting rod penetrates through the fixed ring and is fixedly provided with a limiting block, and the limiting rod is movably connected with the fixed ring.

Preferably, the rotary mechanism comprises an outer ring positioned at the outer side of the movable ring, the outer ring is rotationally connected with the movable ring through an outer groove, two connecting plates are symmetrically and fixedly installed at the outer side of the outer ring, a lifting ring is fixedly connected between one sides of the two connecting plates away from the outer ring, connecting columns are fixedly installed at the bottoms of the two connecting plates, a calibration frame is fixedly installed at the bottom ends of the two connecting columns, an inner block is fixedly installed inside the calibration frame, and two compression rollers are symmetrically and rotationally connected between the outer side of the inner block and the inner wall of the calibration frame.

Preferably, the bottom of chassis rotates and is connected with the pivot, and the pivot is located the top of calibration frame, and the outside symmetry of pivot is equipped with two guide slots, and the inside of two guide slots is all sliding connection has the guide block, and two guide blocks all with lift ring fixed connection, and the outside of pivot is located to lift ring movable sleeve.

Preferably, the outside of pivot is fixed to be cup jointed the collar, and the collar is located the top of lift ring, installs the bolt between collar and the chassis, and the bottom equiangle of chassis is equipped with the screw, screw and bolt looks adaptation.

Compared with the prior art, the utility model has the beneficial effects that:

(1) According to the utility model, the movable ring is convenient to longitudinally move to extrude the sewing object through the cooperation between the movable ring and the bottom column and between the spring and the chassis, the movable ring can be kept in a horizontal state through the cooperation between the movable ring and the limiting rod and the fixed ring, deformation of the sewing object caused by too tight extrusion of the sewing object is avoided through the elastic action of the spring, and accordingly, the sewing object can be flattened better;

(2) This novel cooperation between pass through expansion ring, outer loop, lifting ring, guide block, guide way and pivot is convenient for two spliced poles drive the calibration frame rotation to conveniently adjust sewing angle, and through the cooperation between collar and chassis and bolt and the screw, can be fixed collar and chassis, thereby be convenient for realize the fixed after the calibration frame is rotatory.

Drawings

The accompanying drawings are included to provide a further understanding of the utility model and are incorporated in and constitute a part of this specification, illustrate the utility model and together with the embodiments of the utility model, serve to explain the utility model.

In the drawings:

FIG. 1 is a schematic view of a calibrating mechanism for a sewing machine according to the present utility model;

FIG. 2 is a schematic view of the elevating mechanism of the present utility model;

FIG. 3 is a schematic view of a rotary mechanism according to the present utility model;

FIG. 4 is a schematic view of a spindle structure according to the present utility model;

in the figure: 1. a mounting base; 2. a lifting mechanism; 201. a bottom post; 202. a limiting block; 203. a movable ring; 204. a spring; 205. a chassis; 206. an outer groove; 207. a limit rod; 208. a fixing ring; 3. a rotation mechanism; 301. an outer ring; 302. a connecting column; 303. a press roller; 304. an inner block; 305. a calibration frame; 306. a rotating shaft; 307. a connecting plate; 308. a screw hole; 309. a bolt; 3010. a guide groove; 3011. a guide block; 3012. a lifting ring; 3013. and (5) a mounting ring.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and fully with reference to the accompanying drawings, in which it is evident that the embodiments described are only some, but not all embodiments of the utility model; all other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

In the first embodiment, as shown in fig. 1, the utility model comprises a mounting seat 1, wherein a lifting mechanism 2 is arranged at the bottom of the mounting seat 1, and a rotating mechanism 3 is arranged on the lifting mechanism 2;

in the use state, firstly, the lifting mechanism 2 is used for flattening the sewing object, meanwhile, deformation caused by too tight extrusion of the sewing object is avoided, and the adjustment of the sewing angle is realized through the rotating mechanism 3.

Specifically, as shown in fig. 2, the lifting mechanism 2 comprises a bottom column 201 fixed at the bottom of the mounting seat 1, a chassis 205 is fixedly mounted at the bottom end of the bottom column 201, a movable ring 203 is movably mounted at the outer side of the bottom column 201, an outer groove 206 is formed at the outer side of the movable ring 203, a spring 204 is fixedly connected between the movable ring 203 and the chassis 205, the spring 204 is movably sleeved with the bottom column 201, a fixed ring 208 is fixedly sleeved at the outer side of the bottom column 201, the fixed ring 208 is positioned right above the movable ring 203, a limiting rod 207 is fixedly mounted at the top of the movable ring 203 at equal angles, the top end of the limiting rod 207 penetrates through the fixed ring 208 and is fixedly provided with a limiting block 202, and the limiting rod 207 is movably connected with the fixed ring 208;

under the state of use, when extrudeing the sewing object, the expansion link 203 upwards moves along the sill pillar 201 simultaneously, through the cooperation effect between gag lever post 207 and expansion link 203 and the fixed ring 208 simultaneously for the expansion link 203 remains the horizontality throughout, thereby is convenient for better flatten the sewing object, avoids too closely and leads to its deformation to the extrusion of sewing object through spring 204 elasticity simultaneously.

Specifically, as shown in fig. 3-4, the rotating mechanism 3 includes an outer ring 301 located at the outer side of the movable ring 203, the outer ring 301 is rotationally connected with the movable ring 203 through an outer groove 206, two connecting plates 307 are symmetrically and fixedly installed at the outer side of the outer ring 301, a lifting ring 3012 is fixedly connected between one sides of the two connecting plates 307 far away from the outer ring 301, connecting posts 302 are fixedly installed at the bottoms of the two connecting plates 307, a calibration frame 305 is fixedly installed at the bottom ends of the two connecting posts 302, an inner block 304 is fixedly installed inside the calibration frame 305, two compression rollers 303 are symmetrically and rotationally connected between the outer side of the inner block 304 and the inner wall of the calibration frame 305, a rotating shaft 306 is rotationally connected at the bottom of the chassis 205, the rotating shaft 306 is located above the calibration frame 305, two guide grooves 3010 are symmetrically arranged at the outer side of the rotating shaft 306, guide blocks 3011 are fixedly connected with the lifting ring 3012, the lifting ring 3012 is movably sleeved at the outer side of the rotating shaft 306, a mounting ring 3013 is fixedly sleeved at the outer side of the rotating shaft 306, a screw hole 3013 is located above the lifting ring 2, a screw hole 309 is arranged between the chassis 205 and the chassis 308, and the chassis 308 is provided with an appropriate angle 309;

in a use state, the rotating shaft 306 is rotated firstly, the lifting ring 3012 is driven to rotate through the cooperation of the guide blocks 3011 and the guide grooves 3010, the two connecting plates 307 are driven to rotate through the cooperation of the outer ring 301 and the movable ring 203, the calibration frame 305 is driven to rotate through the two connecting columns 302, the positions of the two pressing rollers 303 are changed accordingly, the adjustment of the sewing angle is achieved, then the mounting ring 3013 and the chassis 205 are fixed through the bolts 309, the rotating shaft 306 is fixed, and finally the rapid fixation after the rotating shaft 306 rotates is achieved.

Claims (4)

1. The utility model provides a calibrating mechanism for sewing machine, includes mount pad (1), its characterized in that: the bottom of the mounting seat (1) is provided with a lifting mechanism (2), and the lifting mechanism (2) is provided with a rotating mechanism (3);

elevating system (2) including being fixed in the sill post (201) of mount pad (1) bottom, the bottom fixed mounting of sill post (201) has chassis (205), the outside movable mounting of sill post (201) has expansion ring (203), the outside of expansion ring (203) is equipped with outside groove (206), fixedly connected with spring (204) between expansion ring (203) and chassis (205), spring (204) and sill post (201) activity cup joint, fixed ring (208) have been cup jointed in the outside of sill post (201), fixed ring (208) are located directly over expansion ring (203), the top equiangular fixed mounting of expansion ring (203) has gag lever post (207), the top of gag lever post (207) runs through fixed ring (208) and fixed mounting has stopper (202), and gag lever post (207) and fixed ring (208) swing joint.

2. A calibration mechanism for a sewing machine according to claim 1, wherein: the rotating mechanism (3) comprises an outer ring (301) positioned on the outer side of a movable ring (203), the outer ring (301) is rotationally connected with the movable ring (203) through an outer groove (206), two connecting plates (307) are symmetrically and fixedly arranged on the outer side of the outer ring (301), a lifting ring (3012) is fixedly connected between one sides, far away from the outer ring (301), of the two connecting plates (307), connecting columns (302) are fixedly arranged at the bottoms of the two connecting plates (307), a calibration frame (305) is fixedly arranged at the bottom ends of the two connecting columns (302), an inner block (304) is fixedly arranged in the calibration frame (305), and two compression rollers (303) are symmetrically and rotationally connected between the outer side of the inner block (304) and the inner wall of the calibration frame (305).

3. A calibration mechanism for a sewing machine according to claim 1, wherein: the bottom of chassis (205) is rotated and is connected with pivot (306), and pivot (306) are located the top of calibration frame (305), and the outside symmetry of pivot (306) is equipped with two guide slots (3010), and the inside of two guide slots (3010) is all sliding connection has guide block (3011), and two guide block (3011) all are with lift ring (3012) fixed connection, and the outside of pivot (306) is located to lift ring (3012) movable sleeve.

4. A calibration mechanism for a sewing machine according to claim 3, wherein: the outside of pivot (306) is fixed to be cup jointed collar (3013), and collar (3013) are located the top of lift ring (3012), install bolt (309) between collar (3013) and chassis (205), and the bottom equiangle of chassis (205) is equipped with screw (308), screw (308) and bolt (309) looks adaptation.