CN213866731U

CN213866731U - Presser foot mechanism of sewing machine

Info

Publication number: CN213866731U
Application number: CN202021830955.7U
Authority: CN
Inventors: 章国平
Original assignee: Dalian Dongli Art-Textile Co ltd
Current assignee: Dalian Dongli Art-Textile Co ltd
Priority date: 2020-08-28
Filing date: 2020-08-28
Publication date: 2021-08-03
Anticipated expiration: 2030-08-28

Abstract

The utility model relates to a sewing machine technical field just discloses a sewing machine's presser foot mechanism, including the transmission shaft, the surperficial swing joint of transmission shaft has clamp splice one and clamp splice two, the locating hole has been seted up to the bottom of transmission shaft, the top swing joint of clamp splice one has the location axle, the fixed surface of location axle installs the baffle. The utility model discloses a location axle drives the baffle and moves right, with spring compression, the left end of location axle stretches into behind the inner chamber of clamp splice one completely, clamp splice one and clamp splice two can be at the surface slip of transmission shaft, after clamp splice one drives the presser foot body through the extension rod and moves suitable position in vertical direction, loosen the driving lever, the meeting of spring drives location axle left motion through the baffle, make the left end of location axle insert and fix the presser foot body in the corresponding locating hole, thereby realize fixing the quick regulation of presser foot body, and the operation is simple, and the practicality of device is increased.

Description

Presser foot mechanism of sewing machine

Technical Field

The utility model relates to a sewing machine technical field specifically is a presser foot mechanism of sewing machine.

Background

A sewing machine is a machine for forming one or more stitches on a work material with one or more sewing threads to interlace or sew one or more layers of the work material, and generally includes a bed, a table provided on an upper surface of the bed, a presser foot provided above the table for pressing a cloth material, and a head with a needle bar.

Most of existing sewing machine presser foot mechanisms are used for installing the presser foot on a driving shaft, but when thick cloth is met, the distance value between the presser foot and an operation table needs to be adjusted, most of the existing adjustment is placed, the presser foot can be adjusted only by detaching a fixing bolt of the presser foot, the operation is complex, and the practicability of the device is reduced.

SUMMERY OF THE UTILITY MODEL

The utility model provides a not enough to prior art, the utility model provides a presser foot mechanism of sewing machine possesses the height that conveniently adjusts the presser foot, and easy operation has increased the advantage of the practicality of device, has solved the problem that proposes among the above-mentioned background art.

The utility model provides a following technical scheme: the presser foot mechanism of the sewing machine comprises a transmission shaft, wherein the surface of the transmission shaft is movably connected with a first clamping block and a second clamping block, the bottom end of the transmission shaft is provided with a positioning hole, the top end of the first clamping block is movably connected with a positioning shaft, a baffle is fixedly arranged on the surface of the positioning shaft, a spring is fixedly arranged on the right side face of the baffle, and a deflector rod is fixedly arranged at the right end of the positioning shaft.

Carefully, the equal fixed mounting in trailing flank of clamp splice one and clamp splice two has the connecting plate, the meshing has hexagon socket head cap screw in the middle part of connecting plate, connecting plate and hexagon socket head cap screw all have threely, three connecting plate and hexagon socket head cap screw are located top, middle part and the bottom of clamp splice one and two rear sides respectively, when needs clean the maintenance to the device, pull down hexagon socket head cap screw from two connecting plates and can demolish clamp splice one and clamp splice two from the surface of transmission shaft, conveniently maintain the device, increased the practicality of device, keep the stability of being connected between clamp splice one and the clamp splice two through setting up three connecting plate and hexagon socket head cap screw, guaranteed clamp splice one and the atress balance of clamp splice two.

Carefully, the bottom fixed mounting of a clamp splice leading flank has the extension rod, the front end meshing of extension rod has fastening bolt, fastening bolt's right-hand member swing joint has the presser foot body, the left surface fixed mounting of presser foot body has the fixture block, the rand has been seted up to the front end of extension rod, through rotatory fastening bolt, makes fastening bolt drive the presser foot body and move left and contact with the extension rod to fix extension rod and presser foot body, rotate the fixture block on the surface of presser foot body, make and form certain angle between fixture block and the rand, thereby can realize changing the inclination between presser foot body and the work platform, the convenient feeding to the cloth has increased the practicality of device.

Carefully, the left surface fixed mounting of transmission shaft bottom has the slide rail, the spout has been seted up to the right flank of clamp splice two, slide rail swing joint is in the spout, and the slide rail leads to the motion of clamp splice two, guarantees that clamp splice one and clamp splice two are located the right side of locating hole all the time when going up and down, has guaranteed the stability of device operation.

Carefully, both ends run through respectively and extend to both ends about clamp splice one about the location axle, the left end swing joint of location axle is in the locating hole, the driving lever is located the right side of clamp splice one, and through pulling the driving lever right, the driving lever drives the location axle when moving right and stretches into the inner chamber of clamp splice one, and the location axle drives the baffle and moves right this moment, with the spring compression, behind the left end of location axle stretches into the inner chamber of clamp splice one completely, clamp splice one and clamp splice two can slide on the surface of transmission shaft.

Carefully, the width value of the fixture block is one third of the depth value of the clamping ring, the fixture block is movably connected in the clamping ring, the fixture block can be completely clamped in the clamping ring, and the connection stability of the extension rod and the presser foot body is guaranteed.

Compared with the prior art, the utility model discloses possess following beneficial effect:

1. the utility model discloses a pulling driving lever right, the driving lever drives the location axle when moving right and stretches into the inner chamber of clamp splice one, the location axle drives the baffle and moves right this moment, with spring compression, the left end of location axle stretches into behind the inner chamber of clamp splice one completely, clamp splice one and clamp splice two can be at the surface slip of transmission shaft, it drives the presser foot body through the extension rod and moves behind the suitable position in vertical direction to work as clamp splice one, loosen the driving lever, the meeting of spring drives location axle left motion through the baffle, make the left end of location axle insert and fix the presser foot body in the corresponding locating hole, thereby realize the quick regulation to the presser foot body, and the operation is simple, and the practicability of the device is increased.

2. The utility model discloses a at the trailing flank erection joint board of clamp splice one and clamp splice two, hexagon socket head cap screw links together the connecting plate of clamp splice one and clamp splice two rear sides, when needs clean the maintenance to the device, pull down hexagon socket head cap screw from two connecting plates and can demolish clamp splice one and clamp splice two from the surface of transmission shaft, conveniently maintain the device, increased the practicality of device.

Drawings

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

FIG. 2 is a schematic view of the explosion connection of the transmission shaft of the present invention;

FIG. 3 is a schematic cross-sectional view of the clamping block of the present invention;

FIG. 4 is a schematic view of the connection between the structural connection plate and the socket head cap screw according to the present invention;

FIG. 5 is a schematic view of the explosion connection of the extension rod of the present invention;

FIG. 6 is an enlarged schematic view of the structure A of the present invention;

fig. 7 is an enlarged schematic view of the structure B of the present invention.

In the figure: 1. a drive shaft; 2. a first clamping block; 3. a second clamping block; 4. positioning holes; 5. positioning the shaft; 6. a baffle plate; 7. a spring; 8. a deflector rod; 9. a connecting plate; 10. a hexagon socket head cap screw; 11. an extension rod; 12. fastening a bolt; 13. a presser foot body; 14. a clamping block; 15. a collar; 16. a slide rail; 17. a chute.

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. 1-7, a presser foot mechanism of a sewing machine comprises a transmission shaft 1, a slide rail 16 is fixedly installed on the left side surface of the bottom end of the transmission shaft 1, a slide groove 17 is formed on the right side surface of a clamping block II 3, the slide rail 16 is movably connected in the slide groove 17, the slide rail 16 guides the movement of the clamping block II 3, a positioning shaft 5 is always positioned on the right side of a positioning hole 4 when the clamping block I2 and the clamping block II 3 are lifted, the running stability of the device is ensured, the surface of the transmission shaft 1 is movably connected with the clamping block I2 and the clamping block II 3, a connecting plate 9 is fixedly installed on the rear side surfaces of the clamping block I2 and the clamping block II 3, an inner hexagon bolt 10 is meshed with the middle part of the connecting plate 9, when the device needs to be cleaned and maintained, the inner hexagon bolt 10 can be detached from the two connecting plates 9, the clamping block I2 and the clamping block II 3 can be detached from the surface of the transmission shaft 1, the device is convenient to maintain, the practicability of the device is improved, the number of the connecting plates 9 and the number of the hexagon socket head cap screws 10 are three, the three connecting plates 9 and the hexagon socket head cap screws 10 are respectively positioned at the top, the middle and the bottom of the rear sides of the first clamping block 2 and the second clamping block 3, the stability of connection between the first clamping block 2 and the second clamping block 3 is kept through the arrangement of the three connecting plates 9 and the hexagon socket head cap screws 10, the stress balance of the first clamping block 2 and the second clamping block 3 is ensured, the extension rod 11 is fixedly arranged at the bottom end of the front side surface of the first clamping block 2, the fastening bolt 12 is meshed at the front end of the extension rod 11, the right end of the fastening bolt 12 is movably connected with the presser foot body 13, the fastening bolt 12 drives the presser foot body 13 to move leftwards to be contacted with the extension rod 11 through rotating the fastening bolt 12, so that the extension rod 11 and the presser foot body 13 are fixed, the clamping block 14 is fixedly arranged on the left side surface of the presser foot body 13, the clamping block 14 is one third of the depth value of the clamping ring 15, the clamping block 14 is movably connected in the clamping ring 15, the clamping ring 15 is arranged at the front end of the extension rod 11, the clamping block 14 is rotated on the surface of the presser foot body 13, a certain angle is formed between the clamping block 14 and the clamping ring 15, so that the change of the inclination angle between the presser foot body 13 and the working platform can be realized, the feeding of cloth is convenient, the practicability of the device is increased, the positioning hole 4 is arranged at the bottom end of the transmission shaft 1, the top end of the clamping block I2 is movably connected with the positioning shaft 5, the left end and the right end of the positioning shaft 5 respectively penetrate through and extend to the left end and the right end of the clamping block I2, the left end of the positioning shaft 5 is movably connected in the positioning hole 4, the deflector rod 8 is positioned at the right side of the clamping block I2, the positioning shaft 5 is driven to extend into the inner cavity of the clamping block I2 when the deflector rod 8 is moved rightwards by pulling the deflector rod 8, the positioning shaft 5 drives the baffle plate 6 to move rightwards, the spring 7 is compressed, the left end of the positioning shaft 5 completely extends into the inner cavity of the clamping block I2, the clamp splice 2 and the clamp splice two 3 can be at the surperficial slip of transmission shaft 1, the fixed surface of location axle 5 installs baffle 6, the right flank fixed mounting of baffle 6 has spring 7, after clamp splice 2 drives presser foot body 13 through extension rod 11 and moves suitable position in vertical direction, loosen driving lever 8, spring 7 can drive location axle 5 through baffle 6 and move left, make the left end of location axle 5 insert and fix presser foot body 13 in corresponding locating hole 4, the right-hand member fixed mounting of location axle 5 has driving lever 8.

The working principle is as follows: when the device is used, the fastening bolt 12 is rotated to enable the fastening bolt 12 to fix the extension rod 11 and the presser foot body 13, the fixture block 14 is rotated on the surface of the presser foot body 13, a certain angle is formed between the fixture block 14 and the clamping ring 15, so that the inclination angle between the presser foot body 13 and a working platform can be changed, the feeding of cloth is facilitated, the practicability of the device is increased, the deflector rod 8 is pulled rightwards, the positioning shaft 5 is driven to extend into the inner cavity of the first clamping block 2 when the deflector rod 8 moves rightwards, the positioning shaft 5 drives the baffle 6 to move rightwards at the moment, the spring 7 is compressed, after the left end of the positioning shaft 5 completely extends into the inner cavity of the first clamping block 2, the first clamping block 2 and the second clamping block 3 can slide on the surface of the transmission shaft 1, when the first clamping block 2 drives the presser foot body 13 to move to a proper position in the vertical direction through the extension rod 11, the deflector rod 8 is loosened, the positioning shaft 5 is driven by the baffle 6 to move leftwards by the spring 7, make the left end of location axle 5 insert and fix presser foot body 13 in corresponding locating hole 4, thereby realize the quick regulation to presser foot body 13, moreover, the operation is simple, the practicality of device has been increased, through the trailing flank erection joint board 9 at clamp splice one 2 and clamp splice two 3, hexagon socket head cap screw 10 links together the connecting plate 9 of clamp splice one 2 and clamp splice two 3 rear sides, when needs clean the maintenance to the device, pull down hexagon socket head cap screw 10 from two connecting plates 9 and can demolish clamp splice one 2 and clamp splice two 3 from the surface of transmission shaft 1, conveniently maintain the device, the practicality of device has been increased.

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. Simultaneously in the utility model discloses an in the drawing, fill the pattern and just do not do any other injecions for distinguishing the picture layer.

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 presser foot mechanism of sewing machine, includes transmission shaft (1), its characterized in that: the utility model discloses a bearing device, including transmission shaft (1), locating hole (4), clamping block one (2), clamping block two (3) are connected to the surperficial swing joint of transmission shaft (1), locating hole (4) have been seted up to the bottom of transmission shaft (1), the top swing joint of clamping block one (2) has location axle (5), the fixed surface of location axle (5) installs baffle (6), the right flank fixed mounting of baffle (6) has spring (7), the right-hand member fixed mounting of location axle (5) has driving lever (8).

2. The presser foot mechanism of sewing machine according to claim 1, characterized in that: the equal fixed mounting in posterolateral surface of clamp splice (2) and clamp splice two (3) has connecting plate (9), the meshing of the middle part of connecting plate (9) has hexagon socket head cap screw (10), connecting plate (9) and hexagon socket head cap screw (10) all have threely, and is three connecting plate (9) and hexagon socket head cap screw (10) are located the top, middle part and the bottom of clamp splice (2) and clamp splice two (3) rear side respectively.

3. The presser foot mechanism of sewing machine according to claim 1, characterized in that: the clamp is characterized in that an extension rod (11) is fixedly mounted at the bottom end of the front side face of the first clamping block (2), a fastening bolt (12) is meshed at the front end of the extension rod (11), a clamp foot body (13) is movably connected to the right end of the fastening bolt (12), a clamping block (14) is fixedly mounted on the left side face of the clamp foot body (13), and a clamping ring (15) is arranged at the front end of the extension rod (11).

4. The presser foot mechanism of sewing machine according to claim 1, characterized in that: the left side face of transmission shaft (1) bottom fixed mounting has slide rail (16), spout (17) have been seted up to the right flank of clamp splice two (3), slide rail (16) swing joint is in spout (17).

5. The presser foot mechanism of sewing machine according to claim 1, characterized in that: the left end and the right end of the positioning shaft (5) penetrate through and extend to the left end and the right end of the clamping block I (2) respectively, the left end of the positioning shaft (5) is movably connected into the positioning hole (4), and the shifting rod (8) is located on the right side of the clamping block I (2).

6. A presser foot mechanism of a sewing machine according to claim 3, wherein: the width value of fixture block (14) is one third of rand (15) depth value, fixture block (14) swing joint is in rand (15).