CN210194165U

CN210194165U - Needle plate for sewing machine

Info

Publication number: CN210194165U
Application number: CN201920419602.9U
Authority: CN
Inventors: Xiangyun Zhang; 张祥云
Original assignee: WUXI XINGDA SEWING MACHINE COMPONENT CO Ltd
Current assignee: WUXI XINGDA SEWING MACHINE COMPONENT CO Ltd
Priority date: 2019-03-29
Filing date: 2019-03-29
Publication date: 2020-03-27
Anticipated expiration: 2029-03-29

Abstract

The utility model discloses a faller for sewing machine relates to sewing machine technical field, including mount pad and cavity, the inside of mount pad is seted up to the cavity, the internally mounted of cavity has trace, prismatic plate, positive and negative motor, movable rod, ejector pad, spacing groove, faller body, dead lever, logical groove, spout and slider, positive and negative motor fixed mounting is in the interior diapire of cavity. This faller for sewing machine, through the motor that just reverses, the arris board, the trace, the movable rod, the setting of ejector pad and dead lever, the motor that just reverses rotates, drive the arris board and rotate, make the prism board move two traces and remove, make two traces drive two movable rods and be close to each other, through being close to of two movable rods, the ejector pad that makes the movable rod upper surface setting promotes the inside that the dead lever inserted the spacing groove, the realization is fixed to the faller body, it is more convenient to make its faller body change, make things convenient for the staff to change the faller.

Description

Needle plate for sewing machine

Technical Field

The utility model relates to a sewing machine technical field specifically is a faller for sewing machine.

Background

The sewing machine is a machine which uses one or more sewing threads to form one or more stitches on a sewing material to enable one or more layers of the sewing material to be interwoven or sewn, the sewing machine can sew fabrics such as cotton, hemp, silk, wool, artificial fiber and the like, and products such as leather, plastic, paper and the like, the sewn stitches are neat, beautiful, flat and firm, the sewing speed is high, the use is simple and convenient, and artistic forms such as hand-push embroidery computer embroidery and the like are derived.

The sewing machine generally comprises a machine head, a machine base, a transmission part and an accessory part, wherein a needle plate for the sewing machine is an important part in the sewing process, a corresponding needle plate needs to be installed in order to adapt to the change of a sewing mode, the sewing mode is not fixed in the sewing process, and therefore the corresponding needle plate needs to be replaced.

Disclosure of Invention

The utility model aims at providing a faller for sewing machine possesses the convenient advantage of change, has solved and has changed trouble problem.

The utility model discloses a solve above-mentioned technical problem, provide following technical scheme: the utility model provides a faller for sewing machine, includes mount pad and cavity, the inside of mount pad is seted up to the cavity, the internally mounted of cavity has trace, prismatic plate, positive and negative motor, movable rod, ejector pad, spacing groove, faller body, dead lever, leads to groove, spout and slider.

The positive and negative rotating motor is fixedly arranged on the inner bottom wall of the cavity, the bottom surface of the prismatic plate is fixedly connected with the output end of the positive and negative rotating motor, the upper surface of the prismatic plate is fixedly hinged with two symmetrical linkage rods through a second pin shaft, the two movable rods are arranged in the cavity, one ends of the two linkage rods, far away from the second pin shaft, are respectively fixedly hinged with the bottom surfaces of the two movable rods through a first pin shaft, the two groups of through grooves are arranged on the upper surface of the mounting seat, the bottom surfaces of the two groups of push blocks are respectively fixedly connected with the upper surfaces of the two movable rods, the two groups of push blocks respectively penetrate through the two groups of through grooves and extend to the inside of the through grooves, one side surface of the two groups of push blocks, close to each other, is fixedly connected with a fixed rod, the needle plate body is arranged on the upper surface of the mounting seat, the two groups of limiting grooves are respectively formed in the left side surface and the right side surface of the needle plate body, and the two groups of fixing rods are respectively inserted into the two groups of limiting grooves.

Further, two sets of symmetrical spouts are seted up to the inner wall of cavity, two the equal fixedly connected with in front and the back of movable rod and the slider of spout looks adaptation, it is two sets of the slider joint is in the inside of two sets of spouts respectively.

Furthermore, the size of the first pin shaft is equal to that of the second pin shaft, and the first pin shaft and the second pin shaft are located at the same horizontal height.

Further, the upper surface of faller body fixedly connected with operation indicator board, operation indicator board is rectangular.

Furthermore, two the movable rod is located the left and right sides of prismatic plate respectively, and two sets of logical groove is located the left and right sides of faller body respectively.

Further, the size of faller body bottom surface is less than the size of mount pad upper surface, and the size of faller body upper surface is greater than the size of faller body bottom surface.

Compared with the prior art, the needle plate for the sewing machine has the following beneficial effects:

1. the utility model discloses a setting of positive reverse motor, prismatic plate, trace, movable rod, ejector pad and dead lever, positive reverse motor rotates, drives the prismatic plate and rotates, makes the prismatic plate move two traces and removes, makes two traces drive two movable rods and is close to each other, through being close to of two movable rods, the ejector pad that makes the movable rod upper surface setting promotes the inside that the dead lever inserted the spacing groove, realizes the fixed to the faller body, makes its faller body change more convenient, makes things convenient for the staff to change the faller.

2. The utility model discloses a setting of spout and slider can increase the stability of movable rod in the activity in-process effectively, avoids taking place the incline because of the accident at the movable rod in the activity process, influences the normal installation of faller, through the setting of operation indicator board, can remind the staff to operate according to correct operation method effectively, avoids failing or the damage of faller because of the installation that the misoperation leads to the faller.

Drawings

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

FIG. 2 is a schematic sectional view of the mounting base of the present invention;

fig. 3 is a schematic top view of the mounting base of the present invention;

fig. 4 is a schematic diagram of the prismatic plate structure of the present invention.

In the figure: the needle plate comprises a mounting seat 1, a cavity 2, a first pin shaft 3, a linkage rod 4, a second pin shaft 5, a prismatic plate 6, a forward and reverse rotating motor 7, a movable rod 8, a push block 9, a limiting groove 10, a needle plate body 11, a fixed rod 12, a through groove 13, a sliding groove 14, a sliding block 15 and an operation indicating plate 16.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-4, the present invention provides a technical solution: the utility model provides a faller for sewing machine, includes mount pad 1 and cavity 2, and cavity 2 is seted up in the inside of mount pad 1, and the internally mounted of cavity 2 has trace 4, prismatic board 6, positive and negative motor 7, movable rod 8, ejector pad 9, spacing groove 10, faller body 11, dead lever 12, leads to groove 13, spout 14 and slider 15.

The positive and negative rotation motor 7 is fixedly arranged on the inner bottom wall of the cavity 2, the bottom surface of the prismatic plate 6 is fixedly connected with the output end of the positive and negative rotation motor 7, the upper surface of the prismatic plate 6 is fixedly hinged with two symmetrical linkage rods 4 through a second pin shaft 5, the two movable rods 8 are both arranged in the cavity 2, the inner wall of the cavity 2 is provided with two groups of symmetrical chutes 14, the front and back surfaces of the two movable rods 8 are fixedly connected with sliders 15 matched with the chutes 14, the two groups of sliders 15 are respectively clamped in the two groups of chutes 14, the stability of the movable rods 8 in the moving process can be effectively increased, the movable rods 8 are prevented from being deflected accidentally in the moving process to influence the normal installation of the needle plates, one ends of the two linkage rods 4 far away from the second pin shaft 5 are respectively fixedly hinged with the bottom surfaces of the two movable rods 8 through the first pin shaft 3, and the size of the first pin shaft 3 is equal to that of, and the first pin shaft 3 and the second pin shaft 5 are positioned at the same horizontal height, which can effectively keep the stability of the whole structure and improve the whole practicability, two groups of through grooves 13 are arranged on the upper surface of the mounting seat 1, the bottom surfaces of two groups of push blocks 9 are respectively fixedly connected with the upper surfaces of two movable rods 8, the two groups of push blocks 9 respectively penetrate through the two groups of through grooves 13 and extend to the inside of the through grooves 13, one side surface of the two groups of push blocks 9 close to each other is fixedly connected with a fixed rod 12, the needle plate body 11 is arranged on the upper surface of the mounting seat 1, the bottom end of the needle plate body 11 penetrates through the mounting seat 1 and extends to the inside of the cavity 2, the two movable rods 8 are respectively positioned on the left side and the right side of the prismatic plate 6, the two groups of through grooves 13 are respectively positioned on the left side and the right side of the needle plate body 11, which makes the whole structure more compact, the size of the upper surface of the needle plate body 11 is larger than that of the bottom surface of the needle plate body 11, the two groups of limiting grooves 10 are respectively arranged on the left side surface and the right side surface of the needle plate body 11, the two groups of fixing rods 12 are respectively inserted into the two groups of limiting grooves 10, the upper surface of the needle plate body 11 is fixedly connected with an operation indicating plate 16, the operation indicating plate 16 is rectangular, a worker can be effectively reminded to operate according to a correct operation method, the installation failure of the needle plate or the damage of the needle plate caused by improper operation is avoided, through the arrangement of the forward and reverse motor 7, the prism plate 6, the linkage rods 4, the movable rods 8, the push blocks 9 and the fixing rods 12, the forward and reverse motor 7 rotates to drive the prism plate 6 to rotate, the prism plate 6 drives the two linkage rods 4 to move, the two linkage rods 4 drive the two movable rods 8 to approach each other, through the approach of the two movable rods 8, the push blocks 9 arranged on the, the needle plate body 11 is fixed, so that the needle plate body 11 is more convenient to replace, and the needle plate is convenient for workers to replace.

The utility model discloses well just reversing motor 7 is the known technology of the wide application that has disclosed and daily life, just reversing motor 7 is the motor just reversing, what represent is that motor clockwise rotation and anticlockwise rotation, and motor clockwise rotation is motor corotation, and motor anticlockwise rotation is the motor reversal, and just reversing control circuit diagram and its principle analysis will realize that the just reversing of motor will connect to the arbitrary double-phase exchange wiring in the motor three phase current inlet wire and can reach the purpose of reversal. The forward and reverse rotation of motors is widely used, for example, in traveling cranes, electric planing machines for woodworking, bench drills, filament cutters, spin dryers, lathes, and the like.

During the use, mount pad 1 is installed on sewing machine, when needs are changed the installation to the faller, be linked together positive and negative motor 7 and municipal power supply, positive and negative motor 7 rotates, it rotates to drive prismatic plate 6, make prismatic plate 6 drive two trace 4 and remove, make two trace 4 drive two movable rods 8 and be close to each other, be close to through two movable rods 8, the ejector pad 9 that makes 8 upper surfaces of movable rods set up promotes the inside that dead lever 12 inserted spacing groove 10, the realization is fixed to faller body 11, it is more convenient to make its faller body 11 change, make things convenient for the staff faller to change.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a faller for sewing machine, includes mount pad (1) and cavity (2), its characterized in that: the cavity (2) is arranged in the mounting seat (1), and a linkage rod (4), a prismatic plate (6), a forward and reverse rotating motor (7), a movable rod (8), a push block (9), a limiting groove (10), a needle plate body (11), a fixed rod (12), a through groove (13), a sliding groove (14) and a sliding block (15) are arranged in the cavity (2);

the motor (7) is fixedly arranged on the inner bottom wall of the cavity (2), the bottom surface of the prismatic plate (6) is fixedly connected with the output end of the motor (7), the upper surface of the prismatic plate (6) is fixedly hinged with two symmetrical linkage rods (4) through a second pin shaft (5), the two movable rods (8) are arranged in the cavity (2), one ends of the two linkage rods (4) far away from the second pin shaft (5) are respectively fixedly hinged with the bottom surfaces of the two movable rods (8) through a first pin shaft (3), the two groups of through grooves (13) are arranged on the upper surface of the mounting seat (1), the bottom surfaces of the two groups of push blocks (9) are respectively fixedly connected with the upper surfaces of the two movable rods (8), the two groups of push blocks (9) respectively penetrate through the two groups of through grooves (13) and extend to the inner parts of the through grooves (13), and one side surfaces of the two groups of push blocks (9) close to each other are respectively and fixedly connected with a fixed rod (12), the needle plate body (11) is placed on the upper surface of the mounting seat (1), the bottom end of the needle plate body (11) penetrates through the mounting seat (1) and extends to the inside of the cavity (2), the limiting grooves (10) are arranged on the left side surface and the right side surface of the needle plate body (11) respectively, and the fixing rods (12) are inserted into the limiting grooves (10) respectively.

2. A needle plate for a sewing machine according to claim 1, characterized in that: two sets of symmetrical spout (14) are seted up to the inner wall of cavity (2), two equal fixedly connected with in front and the back of movable rod (8) and spout (14) looks adaptation slider (15), two sets of slider (15) joint respectively is in the inside of two sets of spout (14).

3. A needle plate for a sewing machine according to claim 1, characterized in that: the size of the first pin shaft (3) is equal to that of the second pin shaft (5), and the first pin shaft (3) and the second pin shaft (5) are located at the same horizontal height.

4. A needle plate for a sewing machine according to claim 1, characterized in that: the needle plate comprises a needle plate body (11), and is characterized in that an operation indicating plate (16) is fixedly connected to the upper surface of the needle plate body (11), and the operation indicating plate (16) is rectangular.

5. A needle plate for a sewing machine according to claim 1, characterized in that: two movable rods (8) are respectively positioned at the left side and the right side of the prismatic plate (6), and the through grooves (13) are respectively positioned at the left side and the right side of the needle plate body (11).

6. A needle plate for a sewing machine according to claim 1, characterized in that: the size of the bottom surface of the needle plate body (11) is smaller than that of the upper surface of the mounting seat (1), and the size of the upper surface of the needle plate body (11) is larger than that of the bottom surface of the needle plate body (11).