CN212451876U

CN212451876U - Anti-needle-skipping mechanism of sewing machine

Info

Publication number: CN212451876U
Application number: CN202020946077.9U
Authority: CN
Inventors: 王昌照
Original assignee: Wujiang Xiehe Parts Machinery Co ltd
Current assignee: Wujiang Xiehe Parts Machinery Co ltd
Priority date: 2020-05-29
Filing date: 2020-05-29
Publication date: 2021-02-02
Anticipated expiration: 2030-05-29

Abstract

The utility model relates to a sewing machine equipment technical field just discloses a sewing machine prevents bouncing pilotage mechanism, including sewing platform, sewing platform's top fixed mounting has the sewing frame, the bottom fixed mounting of sewing frame has sewing machine needle and fixed presser foot, the bottom of sewing machine needle extends to the inboard of fixed presser foot, the needle groove has been seted up down at sewing platform's top. The utility model discloses a, internally mounted through the groove of lower needle has two regulating members, the positioning pulley is installed at the top of two regulating members, and the bottom of fixed presser foot passes through the mounting groove, install two driving wheels, driving wheel and positioning pulley cooperation can carry out the centre gripping to the clothing, and relatively stable when the transmission, be difficult for producing the fold, the transmission centre gripping effect of clothing is relatively stable, the seam makes the device have fine ability of drawing the article presser foot to the surface fabric, and then the phenomenon of difficult emergence jump needle when the sewing, the speed and the quality of sewing clothing have been increased.

Description

Anti-needle-skipping mechanism of sewing machine

Technical Field

The utility model relates to a sewing machine equipment technical field specifically is a sewing machine prevents bouncing pilotage mechanism.

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 is at the sewing in-process, and the sewing machine presser foot is a very important part, when the presser foot flattens and compresses tightly the cloth, because some cloth are the height not smooth, or the cloth that elasticity is very strong, it is difficult to accomplish to flatten the compress tightly the cloth singly by the presser foot, so will appear taking place the jump needle phenomenon when sewing, great influence sewing clothes's speed and quality, for this reason we propose a sewing machine and prevent the jump needle mechanism and solve above-mentioned problem.

SUMMERY OF THE UTILITY MODEL

Technical problem to be solved

The utility model provides a not enough to prior art, the utility model provides a sewing machine prevents bouncing pin mechanism possesses the ability that has fine article presser foot of drawing to the surface fabric, and then the difficult phenomenon that takes place the bouncing pin when the sewing, advantages such as the speed and the quality of sewing clothing have been increased, solved and flattened when compressing tightly the cloth at the presser foot, because some cloth are the height uneven, or the cloth that elasticity is very strong, it is difficult to accomplish to flatten the cloth to singly lean on the presser foot, so will appear taking place the bouncing pin phenomenon when sewing, the speed of great influence sewing clothes and the problem of quality.

(II) technical scheme

Have fine ability of pulling article presser foot for realizing above-mentioned surface fabric, and then the difficult phenomenon that takes place the skip stitch when the sewing, increased the speed of sewing clothing and the purpose of quality, the utility model provides a following technical scheme: a needle jumping prevention mechanism of a sewing machine comprises a sewing platform, wherein a sewing machine base is fixedly mounted at the top of the sewing platform, a sewing machine needle and a fixed presser foot are fixedly mounted at the bottom of the sewing machine base, the bottom of the sewing machine needle extends to the inner side of the fixed presser foot, a lower needle groove is formed in the top of the sewing platform, adjusting members are fixedly mounted on the left side and the right side of the inner part of the lower needle groove, positioning pulleys are fixedly connected to the tops of the two adjusting members, the tops of the two positioning pulleys extend to the bottom of the lower needle groove, mounting grooves are formed in the left side and the right side of the bottom of the fixed presser foot, driving wheels are rotatably connected to the bottoms of the two mounting grooves, the bottoms of the two driving wheels are respectively contacted with the tops of the two positioning pulleys, a pressing block is slidably connected to the sewing machine needle, and a springback spring, the top fixedly connected with screw thread sleeve pipe of resilience spring, screw thread sleeve pipe's top and sewing machine seat threaded connection, the resilience spring cover is located on the sewing machine needle.

Preferably, the needle groove includes the mounting panel down, the bottom sliding connection of mounting panel has two movable rods, two the equal fixed mounting in bottom of movable rod has connecting spring, two connecting spring's top all with mounting panel fixed connection, two sliding connection runs through and the top of mounting panel at the top of movable rod, the positioning pulley rotates to be connected between two movable rods.

Preferably, the outer parts of the two positioning pulleys are all sleeved with a transmission anti-skid ring, and the outer surface of the transmission anti-skid ring is fixedly connected with anti-skid particles which are uniformly distributed.

Preferably, the pressing block is fixedly provided with an anti-abrasion ring inside, and the sewing machine needle is fixedly arranged on the inner side of the anti-abrasion ring.

Preferably, the driving wheel includes dwang and installation pulley, the dwang rotates to be connected in the inside of mounting groove, installation pulley fixed mounting is on the dwang, the bottom of installation pulley extends to the inside of mounting groove.

Preferably, the outer part of the mounting pulley is sleeved with an annular non-slip mat.

(III) advantageous effects

Compared with the prior art, the utility model provides a sewing machine prevents bouncing pilotage mechanism possesses following beneficial effect:

1. this sewing machine prevents mechanism of bouncing pilotage, internally mounted through the groove of the lower needle has two regulating member, the positioning pulley is installed at the top of two regulating member, and the bottom of fixed presser foot passes through the mounting groove, install two driving wheels, driving wheel and positioning pulley cooperation, can carry out the centre gripping to the clothing, and relatively stable when the transmission, be difficult for producing the fold, the transmission centre gripping effect of clothing is relatively stable, sliding connection has the pressure piece on the sewing machine needle, thereby when making sewing machine needle sewing, press the clothing according to the cooperation of pressure piece, the ability of the bouncing pilotage is prevented to the further device that has increased, make the device have fine ability of pulling the article presser foot to the surface fabric, and then be difficult for taking place the phenomenon of bouncing pilotage when sewing, the speed and the quality of sewing clothing have been increased.

2. This sewing machine prevents bouncing pilotage mechanism, through setting up the lower needle groove including mounting panel, movable rod and coupling spring, the mounting panel can play the supporting role to the movable rod, and the movable rod can play the erection bracing effect to the positioning pulley, can support the movable rod by coupling spring at last, and then makes the movable rod can be when the positioning pulley pressurized descends, has the effect of supporting the location, has increased the practicality of device.

3. This needle jumping prevention mechanism of sewing machine is equipped with the transmission antiskid circle through the outside cover at the location pulley for the location pulley has skid-proof effect when the transmission clothing, and anti-skidding granule has increased the anti-skidding ability of transmission antiskid circle, makes the location pulley antiskid effect when the transmission clothing better relatively.

4. This sewing machine prevents jumping needle mechanism has the anti-abrasion ring through the inside fixed mounting who presses the briquetting for the difficult production wearing and tearing of sewing machine needle displacement about in the anti-abrasion ring have increased the life of device.

5. This sewing machine prevents bouncing pilotage mechanism, through setting up driving wheel and including dwang and installation pulley, the dwang can rotate in the mounting groove, and installs pulley installation on the dwang for installation pulley and positioning pulley can carry out the transmission centre gripping to the clothing, make the difficult emergence bouncing pilotage phenomenon of clothing when the sewing.

6. This sewing machine prevents jumping needle mechanism is equipped with annular slipmat through the outside cover at the installation pulley for when the installation pulley was at the transmission clothing, annular slipmat has skid-proof ability, has increased the convenience of device.

Drawings

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

FIG. 2 is an enlarged view of part A of the structure of FIG. 1;

FIG. 3 is an enlarged view of the portion B of the structure of FIG. 1;

fig. 4 is a side sectional view of the adjusting member and positioning pulley connecting structure of the present invention.

The reference numbers in the figures illustrate:

1. a sewing platform; 2. a sewing machine base; 3. a sewing machine needle; 4. fixing the presser foot; 5. a needle feeding groove; 6. an adjustment member; 601. mounting a plate; 602. a movable rod; 603. a connecting spring; 7. positioning the pulley; 8. mounting grooves; 9. driving the wheel; 901. rotating the rod; 902. mounting a pulley; 10. a pressing block; 11. a rebound spring; 12. a threaded bushing; 13. a transmission anti-slip ring; 14. an anti-abrasion ring; 15. annular slipmat.

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, an anti-skip needle mechanism of a sewing machine comprises a sewing platform 1, a sewing machine base 2 is fixedly installed on the top of the sewing platform 1, a sewing machine needle 3 and a fixed presser foot 4 are fixedly installed on the bottom of the sewing machine base 2, the bottom of the sewing machine needle 3 extends to the inner side of the fixed presser foot 4, a lower needle groove 5 is formed on the top of the sewing platform 1, adjusting members 6 are fixedly installed on the left and right sides of the inner part of the lower needle groove 5, positioning pulleys 7 are fixedly connected on the top of the two adjusting members 6, the top of the two positioning pulleys 7 extends to the bottom of the lower needle groove 5, mounting grooves 8 are formed on the left and right sides of the bottom of the fixed presser foot 4, driving wheels 9 are rotatably connected on the bottoms of the two mounting grooves 8, the bottoms of the two driving wheels 9 are respectively contacted with the tops of the two positioning pulleys 7, and, the top of the pressing block 10 is fixedly connected with a rebound spring 11, the top of the rebound spring 11 is fixedly connected with a threaded sleeve 12, the top of the threaded sleeve 12 is in threaded connection with the sewing machine base 2, the rebound spring 11 is sleeved on the sewing machine needle 3, two adjusting components 6 are arranged in the lower needle groove 5, the top of the two adjusting components 6 is provided with a positioning pulley 7, the bottom of the fixed presser foot 4 is provided with two driving wheels 9 through an installation groove 8, the driving wheels 9 are matched with the positioning pulley 7 to clamp clothes, the clothes are relatively stable in transmission and are not easy to wrinkle, the transmission clamping effect of the clothes is relatively stable, the pressing block 10 is connected on the sewing machine needle 3 in a sliding way, so that the pressing block 10 is matched with the clothes to press when the sewing machine needle 3 is sewn, the needle skipping prevention capability of the device is further increased, and the device has good article presser foot pulling capability to the fabric, therefore, the phenomenon of needle skipping is not easy to occur during sewing, and the speed and the quality of sewing clothes are increased.

Further, lower needle groove 5 includes mounting panel 601, the bottom sliding connection of mounting panel 601 has two movable rods 602, the equal fixed mounting in bottom of two movable rods 602 has connecting spring 603, the top of two connecting spring 603 all with mounting panel 601 fixed connection, the top of two movable rods 602 runs through and sliding connection to the top of mounting panel 601, positioning pulley 7 rotates and connects between two movable rods 602, needle groove 5 includes mounting panel 601 through setting up down, movable rod 602 and connecting spring 603, mounting panel 601 can play the supporting role to movable rod 602, movable rod 602 can play the erection bracing effect to positioning pulley 7, can support movable rod 602 by connecting spring 603 at last, and then make movable rod 602 can be when positioning pulley 7 is pressed and is descended, have the effect of supporting location, the practicality of device has been increased.

Further, the outside of two positioning pulley 7 all is equipped with transmission antiskid ring 13 by the cover, and the outer fixed surface of transmission antiskid ring 13 is connected with evenly distributed's anti-skidding granule, overlaps through the outside at positioning pulley 7 and is equipped with transmission antiskid ring 13 for positioning pulley 7 has skid-proof effect when the transmission clothing, and anti-skidding granule has increased the anti-skidding ability of transmission antiskid ring 13, makes positioning pulley 7 antiskid effect when the transmission clothing better relatively.

Furthermore, the inside fixed mounting who presses the briquetting 10 has wear ring 14, and sewing machine needle 3 fixed mounting has wear ring 14 in wear ring 14's inboard through the inside fixed mounting who presses the briquetting 10 for sewing machine needle 3 is difficult for producing wearing and tearing in wear ring 14 internal displacement from top to bottom, has increased the life of device.

Further, driving wheel 9 includes dwang 901 and installation pulley 902, dwang 901 rotates and connects in the inside of mounting groove 8, installation pulley 902 fixed mounting is on dwang 901, the bottom of installation pulley 902 extends to the inside of mounting groove 8, include dwang 901 and installation pulley 902 through setting up driving wheel 9, dwang 901 can rotate in mounting groove 8, and installation pulley 902 installs on dwang 901, make installation pulley 902 and positioning pulley 7 can carry out the transmission centre gripping to the clothing, make the clothing difficult emergence skip stitch phenomenon when sewing.

Further, the outside cover of installation pulley 902 is equipped with annular slipmat 15, overlaps through the outside at installation pulley 902 and is equipped with annular slipmat 15 for installation pulley 902 is when the transmission clothing, and annular slipmat 15 has skid-proof ability, has increased the convenience of device.

The working principle is as follows: the sewing machine base 2 is arranged at the top of the sewing platform 1, the sewing machine needle 3 and the fixed presser foot 4 are arranged at the bottom of the sewing machine base 2, the fixed presser foot 4 can press clothes, the clothes are not easy to deviate when being sewn, the sewing machine needle 3 can sew fabrics, the top of the sewing platform 1 is provided with the lower needle groove 5, two adjusting components 6 are arranged inside the lower needle groove 5, the top of the two adjusting components 6 is provided with the positioning pulley 7, the bottom of the fixed presser foot 4 is provided with the two driving wheels 9 through the mounting groove 8, the driving wheels 9 are matched with the positioning pulley 7, the clothes can be clamped, the driving is relatively stable during transmission, wrinkles are not easy to generate, the transmission clamping effect of the clothes is relatively stable, the sewing machine needle 3 is slidably connected with the pressing block 10, the bottom of the sewing machine base 2 is in threaded connection with the threaded sleeve 12, and the rebound spring 11 is fixedly arranged between the threaded sleeve 12 and the pressing block, thereby when making 3 sews of sewing machine needles, press the clothing according to the cooperation of briquetting 10, the ability of the device to prevent the jump needle has further been increased, make the device have fine ability of pulling the article presser foot to the surface fabric, and then the difficult phenomenon that takes place the jump needle when sewing, the speed and the quality of sewing clothing have been increased, when having solved and flattening and compressing tightly the cloth at the presser foot, because some cloth are the height not flat, or the cloth that elasticity is very strong, it is difficult to do to flatten the cloth to singly lean on the presser foot, so will appear taking place the jump needle phenomenon when sewing, the problem of the speed and the quality of great influence sewing clothing.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other identical elements in a process, method, article, or apparatus that comprises the element.

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 sewing machine prevents bouncing pilotage mechanism, includes sewing platform (1), its characterized in that: the sewing machine is characterized in that a sewing machine base (2) is fixedly mounted at the top of the sewing platform (1), a sewing machine needle (3) and a fixed presser foot (4) are fixedly mounted at the bottom of the sewing machine base (2), the bottom of the sewing machine needle (3) extends to the inner side of the fixed presser foot (4), a lower needle groove (5) is formed in the top of the sewing platform (1), adjusting members (6) are fixedly mounted on the left side and the right side of the inner part of the lower needle groove (5), positioning pulleys (7) are fixedly connected to the tops of the two adjusting members (6), the tops of the two positioning pulleys (7) extend to the bottom of the lower needle groove (5), mounting grooves (8) are formed in the left side and the right side of the bottom of the fixed presser foot (4), driving wheels (9) are rotatably connected to the bottoms of the two mounting grooves (8), and the bottoms of the two driving wheels (9) are respectively contacted with the tops of the, sliding connection has press block (10) on sewing machine needle (3), the top fixedly connected with resilience spring (11) of press block (10), the top fixedly connected with thread bush (12) of resilience spring (11), the top and sewing machine frame (2) threaded connection of thread bush (12), sewing machine needle (3) are located to resilience spring (11) cover.

2. The anti-skip needle mechanism of sewing machine according to claim 1, characterized in that: lower needle groove (5) include mounting panel (601), the bottom sliding connection of mounting panel (601) has two movable rods (602), two the equal fixed mounting in bottom of movable rod (602) has connecting spring (603), two the top of connecting spring (603) all with mounting panel (601) fixed connection, two the top of movable rod (602) runs through and sliding connection to the top of mounting panel (601), location pulley (7) rotate to be connected between two movable rods (602).

3. The anti-skip needle mechanism of sewing machine according to claim 1, characterized in that: two the outside of location pulley (7) all is equipped with transmission antiskid circle (13), the surface fixed connection of transmission antiskid circle (13) has evenly distributed's anti-skidding granule.

4. The anti-skip needle mechanism of sewing machine according to claim 1, characterized in that: the inside fixed mounting of according to briquetting (10) has wear ring (14), sewing machine needle (3) fixed mounting is in the inboard of wear ring (14).

5. The anti-skip needle mechanism of sewing machine according to claim 1, characterized in that: the driving wheel (9) comprises a rotating rod (901) and an installation pulley (902), the rotating rod (901) is rotatably connected to the inside of the installation groove (8), the installation pulley (902) is fixedly installed on the rotating rod (901), and the bottom of the installation pulley (902) extends to the inside of the installation groove (8).

6. The anti-skip needle mechanism of sewing machine according to claim 5, characterized in that: the outer part of the mounting pulley (902) is sleeved with an annular non-slip mat (15).