CN218621333U

CN218621333U - Sewing machine presser foot protection jig

Info

Publication number: CN218621333U
Application number: CN202223005691.3U
Authority: CN
Inventors: 熊政; 解富坤; 盛亚平
Original assignee: Shanghai Qixin Textile Co ltd
Current assignee: Shanghai Qixin Textile Co ltd
Priority date: 2022-11-11
Filing date: 2022-11-11
Publication date: 2023-03-14
Anticipated expiration: 2032-11-11

Abstract

The utility model discloses a protective jig for a presser foot of a sewing machine, which comprises a presser foot, wherein a fixed plate is fixedly arranged on the side surface of the rear end of the presser foot, and a protective mechanism is arranged on the fixed plate; protection machanism includes bracing piece, rack, helicla flute, fixed column, gear, rotation bucket, connecting plate, bearing and baffle, the side at rotation bucket middle part rotates with the side of fixed plate upper surface middle part through-hole to be connected, the side at rotation bucket middle part and the medial surface fixed connection of gear, the gear is located the upside of fixed plate, this sewing machine presser foot protection tool can block the gap between presser foot and the sewing needle, and the baffle area is big, and the protecting effect is good, prevents that people's finger from carelessly plugging in the presser foot upside and causing people's injury to the baffle is made by transparent ya keli board, can not cause the sight to stop people, can not influence sewing machine operating personnel's operation when can pointing to people and protect, convenient to use.

Description

Sewing machine presser foot protection jig

Technical Field

The utility model relates to a sewing machine presser foot technical field specifically is a sewing machine presser foot protection tool.

Background

The sewing machine presser foot is an essential part in a feeding mechanism of the sewing machine, and various forms of sewing machine presser feet play an important role in the production process, such as the sewing machine presser foot special for stitching open threads, concealed zippers, the sewing machine presser foot for ruffling and the like, and the selection of different sewing machine presser feet in different sewing operations is very important.

Present presser foot has certain interval between the needle that compresses tightly behind the cloth and sewing machine, the finger will fill in between presser foot and the sewing machine needle very easily when people operate the cloth and do not pay attention to, cause people's injury easily, though can install the finger ring on the present sewing machine presser foot, but the finger ring is made by thin iron wire, drop easily and warp, there is the finger ring that adopts thick steel wire to buckle on the part presser foot on the market, but its volume is great can cause operating personnel's sight to block, the people of being not convenient for observe the stitch in presser foot gap, cause certain influence to people operation sewing machine.

SUMMERY OF THE UTILITY MODEL

In view of the problems in the prior art, the utility model discloses a presser foot protection jig of a sewing machine, which adopts the technical proposal that the presser foot protection jig comprises a presser foot, wherein a fixed plate is fixedly arranged on the side surface of the rear end of the presser foot, and a protection mechanism is arranged on the fixed plate;

the protection mechanism comprises a support rod, a rack, spiral grooves, fixed columns, a gear, a rotating barrel, a connecting plate, a bearing and a baffle plate, wherein the side surface of the middle part of the rotating barrel is rotatably connected with the side surface of a through hole in the middle part of the upper surface of a fixed plate, the side surface of the middle part of the rotating barrel is fixedly connected with the inner side surface of the gear, the gear is positioned on the upper side of the fixed plate, the bearing is sleeved on the outer side of the lower end of the rotating barrel, the inner ring of the bearing is fixedly connected with the lower surface of the fixed plate, the outer ring of the bearing is fixedly connected with one end of the inner side of the arc-shaped rack, the rack is meshed with the gear, the inner side surface of the rotating barrel is provided with two spiral grooves, the support rod is inserted in the rotating barrel, and the side surface of the middle part of the support rod is fixedly provided with two fixed columns, the two fixing columns are respectively positioned in the two spiral grooves, the side face of one end of the rack is fixedly connected with the side face of one end of the connecting plate, the side face of the other end of the connecting plate is fixedly connected with the side face of the middle part of one end of the baffle, the baffle arranged on the connecting plate can be rotated to the front side of the presser foot to block a gap between the presser foot and a sewing needle, the area of the baffle is large, the protection effect is good, people can be prevented from being injured due to the fact that fingers of people are carelessly plugged into the upper side of the presser foot, the baffle is made of a transparent acrylic plate, the sight blocking of people can not be caused, the operation of sewing machine operators can not be influenced when the fingers of people are protected, and the use is convenient.

As a preferred technical scheme of the utility model, the baffle is the arc, and the baffle is located the upside of presser foot forked end.

As an optimized technical scheme of the utility model, the baffle is formed for transparent ya keli board is buckled.

As a preferred technical scheme of the utility model, the supporting wheel is installed to the recess internal rotation of bracing piece lower extreme, and the supporting wheel of setting can reduce the frictional force of bracing piece lower extreme, avoids the bracing piece to cause the influence to the removal of cloth.

As a preferred technical scheme of the utility model, the side of presser foot rear end is fixed with two locating levers, the constant head tank has been seted up to the side of bracing piece, two the locating lever is located the constant head tank, and the locating lever and the constant head tank cooperation of setting can fix a position the bracing piece.

The utility model has the advantages that: the utility model discloses a fixed column on the bracing piece and the helicla flute in the rotation bucket can make the rotation bucket rotate when the presser foot downshifts and compress tightly the cloth, make the rotation bucket drive gear rotate, make gear drive rack and connecting plate rotate, make baffle on the connecting plate rotate and block to the gap between presser foot and the sewing needle to the front side of presser foot, and the baffle area is big, excellent in protection effect, prevent people's finger from carelessly filling in the presser foot upside and causing people injured, and the baffle is made by transparent ya keli board, can not cause the blockking to people's sight, can not influence sewing machine operating personnel's operation when can protecting people's finger, and convenient to use, can reduce the frictional force of bracing piece lower extreme through the supporting wheel, avoid the bracing piece to cause the influence to the removal of cloth, can fix a position the bracing piece through locating lever and constant head tank cooperation, prevent that the bracing piece from taking place to rotate.

Drawings

FIG. 1 is a schematic front view of the present invention;

FIG. 2 is a schematic view of the back structure of the present invention;

FIG. 3 is a bottom schematic view of the present invention;

fig. 4 is a schematic view of the structure of the rotary barrel of the present invention.

In the figure: the device comprises a pressure foot 1, a fixing plate 2, a protection mechanism 3, a support rod 31, a rack 32, a spiral groove 33, a fixed column 34, a gear 35, a rotating barrel 36, a connecting plate 37, a bearing 38, a baffle 39, a support wheel 4, a positioning rod 5 and a positioning groove 6.

Detailed Description

Example 1

As shown in fig. 1 to fig. 3, the utility model discloses a protective fixture for presser foot of sewing machine, which adopts the technical proposal that the protective fixture comprises a presser foot 1, a fixed plate 2 is fixedly arranged on the side surface of the rear end of the presser foot 1, and a protective mechanism 3 is arranged on the fixed plate 2;

the protection mechanism 3 comprises a support rod 31, a rack 32, a spiral groove 33, fixed columns 34, a gear 35, a rotating barrel 36, a connecting plate 37, a bearing 38 and a baffle 39, wherein the side surface of the middle part of the rotating barrel 36 is rotatably connected with the side surface of a through hole in the middle part of the upper surface of the fixed plate 2, the side surface of the middle part of the rotating barrel 36 is fixedly connected with the inner side surface of the gear 35, the gear 35 is positioned on the upper side of the fixed plate 2, the bearing 38 is sleeved on the outer side of the lower end of the rotating barrel 36, the inner ring of the bearing 38 is fixedly connected with the lower surface of the fixed plate 2, the outer ring of the bearing 38 is fixedly connected with one end of the inner side of the arc-shaped rack 32, the rack 32 is meshed with the gear 35, the inner side surface of the rotating barrel 36 is provided with two spiral grooves 33, the support rod 31 is inserted in the rotating barrel 36, a support wheel 4 is rotatably installed in the groove at the lower end of the support rod 31, and the side surface of the middle part of the support rod 31 is fixedly provided with two fixed columns 34, the two fixing columns 34 are respectively positioned in the two spiral grooves 33, two positioning rods 5 are fixed on the side surface of the rear end of the presser foot 1, the side surface of the support rod 31 is provided with a positioning groove 6, the two positioning rods 5 are positioned in the positioning grooves 6, the side surface of one end of the rack 32 is fixedly connected with the side surface of one end of the connecting plate 37, the side surface of the other end of the connecting plate 37 is fixedly connected with the side surface of the middle part of one end of the baffle 39, the baffle 39 is arc-shaped, the baffle 39 is positioned on the upper side of the forked end of the presser foot 1, the baffle 39 is formed by bending a transparent acrylic plate, the rotating barrel 36 can rotate when the presser foot 1 moves downwards to press cloth through the fixing columns 34 on the support rod 31 and the spiral grooves 33 in the rotating barrel 36, the rotating barrel 36 drives the gear 35 to rotate, the gear 35 drives the rack 32 and the connecting plate 37 to rotate, the baffle 39 on the connecting plate 37 rotates to the front side of the presser foot 1 to block a gap between the presser foot and a sewing needle, and the baffle area is big, and the protective effect is good, prevents that people's finger from carelessly inserting into presser foot 1 upside and causing people to be injured to baffle 39 is made by transparent ya keli board, can not cause the hindrance to people's sight, can not influence sewing machine operating personnel's operation when can pointing to people, convenient to use.

The utility model discloses a theory of operation: the presser foot 1 is installed on a sewing machine, when the presser foot is pressed down, the lower end of a support rod 31 can be contacted with a table top of the sewing machine, the support rod 31 and the table top form a support, the support rod 31 is kept still, along with the downward movement of the presser foot 1, a rotating barrel 36 on a fixed plate 2 can move downwards, a fixing column 34 on the support rod 31 can push an inclined plane of a spiral groove 33 to enable the rotating barrel 36 to rotate, a gear 35 on the rotating barrel 36 to rotate, the gear 35 drives a rack 35 to rotate, the rack 35 rotates anticlockwise around the rotating barrel, a connecting plate 37 and a baffle 39 rotate anticlockwise, the baffle 39 rotates to the upper side of the front end of the presser foot 1, a gap on the upper side of the presser foot 1 is blocked, the situation that an operator's finger is plugged into the gap on the upper side of the presser foot 1 to cause injury is avoided, the baffle 39 is a transparent acrylic plate, the baffle cannot cause blocking to people, after the sewing is finished, the sewing, the presser foot 1 moves upwards, the whole mechanism 3 is driven to move upwards, in the process of the upward movement, the upper end of the support rod 31 can enable the presser foot 31 to push the rack 34 to rotate clockwise to drive the rack 35 and the baffle 35 to rotate, and the reverse direction of the baffle 35 to enable the needle to rotate, and the baffle 35 to rotate, and the reverse direction of the needle to drive the rack to rotate.

Components not described in detail herein are prior art.

Although the specific embodiments of the present invention have been described in detail, the present invention is not limited to the above embodiments, and various changes can be made without departing from the spirit of the present invention within the knowledge range of those skilled in the art, and modifications or variations that do not have creative work are still within the scope of the present invention.

Claims

1. The protective jig for the presser foot of the sewing machine is characterized by comprising a presser foot (1), wherein a fixed plate (2) is fixedly arranged on the side surface of the rear end of the presser foot (1), and a protective mechanism (3) is arranged on the fixed plate (2);

the protection mechanism (3) comprises a support rod (31), a rack (32), a spiral groove (33), a fixed column (34), a gear (35), a rotating barrel (36), a connecting plate (37), a bearing (38) and a baffle plate (39), the side surface of the middle part of the rotating barrel (36) is rotationally connected with the side surface of the through hole in the middle part of the upper surface of the fixed plate (2), the side surface of the middle part of the rotating barrel (36) is fixedly connected with the inner side surface of the gear (35), the gear (35) is positioned at the upper side of the fixed plate (2), the bearing (38) is sleeved at the outer side of the lower end of the rotating barrel (36), and the inner ring of the bearing (38) is fixedly connected with the lower surface of the fixed plate (2), the outer ring of the bearing (38) is fixedly connected with one end of the inner side of the arc-shaped rack (32), the rack (32) is meshed with the gear (35), the inner side surface of the rotating barrel (36) is provided with two spiral grooves (33), a support rod (31) is inserted in the rotating barrel (36), two fixing columns (34) are fixed on the side surface of the middle part of the support rod (31), the two fixing columns (34) are respectively positioned in the two spiral grooves (33), the side surface of one end of the rack (32) is fixedly connected with the side surface of one end of the connecting plate (37), the side surface of the other end of the connecting plate (37) is fixedly connected with the side surface of the middle part of one end of the baffle plate (39).

2. The sewing machine presser foot protection jig of claim 1, characterized in that: the baffle plate (39) is arc-shaped, and the baffle plate (39) is positioned on the upper side of the forked end of the presser foot (1).

3. The sewing machine presser foot protection jig of claim 1, characterized in that: the baffle (39) is formed by bending a transparent acrylic plate.

4. The sewing machine presser foot protection jig of claim 1, characterized in that: and a supporting wheel (4) is rotatably arranged in a groove at the lower end of the supporting rod (31).

5. The sewing machine presser foot protection jig of claim 1, characterized in that: two positioning rods (5) are fixed on the side face of the rear end of the presser foot (1), positioning grooves (6) are formed in the side face of the supporting rod (31), and the two positioning rods (5) are located in the positioning grooves (6).