Tensioning device of sewing machine

Abstract

The utility model relates to the technical field of sewing machines, and discloses a sewing machine tensioning device which comprises a working platform, a sewing machine body is fixedly connected to the right side of the top of the working platform, a guide rail is installed on the left side of the top of the working platform, and clamping teeth are fixedly connected to the outer wall of the guide rail. And the front side and the rear side of the interior of the guide rail are slidably connected with sliding blocks, the front ends of the sliding blocks are fixedly connected with adjusting handles, the inner wall of the working platform is slidably connected with a shrinking mechanism, and the shrinking mechanism is used for shrinking the device. The sewing machine is fixed to the right side of the top of the working platform, the guide rail is arranged on the left side of the bottom of the working platform and used for adjusting the position and width of the rotating roller, the arc-shaped sliding groove is formed in the inner wall of the fixing block, and the rotating roller is connected with the inner wall of the fixing block through the tightening nut to adjust the height of the rotating roller to meet different requirements. The working efficiency is improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to sewing machine technical field especially relates to a sewing machine tension device. BACKGROUND

[0002] Sewing machine is a kind of machine that forms stitch on material by one or more threads, and sews material together. It works in a cycle through the reasonable cooperation of mechanism movement, greatly facilitates production and life. Sewing machine auxiliary device can be used when using, which can enhance function, improve efficiency and quality. These devices usually have specific purposes, can work with sewing machine, meet different tasks and needs, make operation more convenient, efficient and flexible, and support clothing and home textile production.

[0003] Sewing machine tension device is a kind of device installed on sewing machine, which mainly plays a role in applying certain tension to cloth during sewing process to ensure that cloth keeps flat and tight during sewing, thereby improving sewing quality and efficiency. Sewing machine tension device can be applied to various types of sewing machines and provides important technical support for sewing work in these industries.

[0004] In the existing sewing machine tension device, when sewing parts, the operator must use both hands to open the collar, and then can start sewing. Long time to keep the collar open not only consumes manpower, but also the collar is easy to misplace due to lack of hand positioning during sewing process, which leads to the need to re-sew, wastes a lot of time, slows down work efficiency and greatly reduces yield. UTILITY MODEL CONTENTS

[0005] In order to make up for the above shortcomings, the utility model provides a sewing machine tension device, which aims to improve the problem of inconvenient manual fixing and low work efficiency in the prior art.

[0006] In order to achieve the above purpose, the utility model adopts the following technical scheme: a sewing machine tension device, comprising a work platform, the top right side of the work platform is fixedly connected with a sewing machine body, the top left side of the work platform is installed with a guide rail, the outer wall of the guide rail is fixedly connected with a toothed, the inside of the guide rail is slidably connected with a sliding block, the inner wall left side of the two sliding blocks is provided with a groove, the inner wall of the groove is rotatably connected with a gear, the gear is meshed with the sliding block, the outer wall left side of the sliding block is screw-connected with a bolt one, the outer wall right side of the sliding block is installed with a fixed block, the outer wall right side of the fixed block is screw-connected with a bolt two, the inner wall of the fixed block is provided with an arc-shaped sliding groove, the inner wall of the bolt two is screw-connected with a tension nut, the left side of the tension nut is rotatably connected with a rotating roller, the front end of the sliding block is fixedly connected with an adjusting handle, the inner wall of the work platform is slidably connected with a retracting mechanism, and the retracting mechanism is used for retracting device.

[0007] Through the above technical scheme: the sewing machine is installed on the top right side of the workbench, and the guide rail is installed on the bottom left side for adjusting the position and width of the rotating roller. The left side of the guide rail is provided with a clamping tooth, and the inner wall gear of the sliding block is connected with the clamping tooth in meshing connection, so as to ensure the accurate adjustment function. The sliding block is connected with the guide rail in sliding connection, so as to facilitate the position adjustment. The sliding block is connected with the guide rail in threaded connection through the bolt I, so as to enhance the stability of the structure. The right side of the sliding block is connected with the fixed block through the bolt II. The inner wall of the fixed block is provided with an arc-shaped sliding groove, so as to allow small-amplitude rotation, thereby increasing the flexibility of the device. The rotating roller is connected with the fixed block through the tension nut. The height of the rotating roller can be changed by adjusting the tension, thereby improving the adaptability of the device.

[0008] As a further description of the above technical scheme:

[0009] The contraction mechanism comprises a supporting column, which is fixedly connected to the inner wall of the support on the front side. A pedal is rotatably connected to the outer wall of the supporting column in the middle. A rotating elbow is rotatably connected to the outer wall of the pedal on the left side. A connecting rod is rotatably connected to the outer wall of the pedal on the right side. Connecting pieces are rotatably connected to the top of the connecting rod on both sides. Fixed holes are formed in the top of the two connecting pieces. Rotating rollers are rotatably connected to the inner wall of the fixed holes. Correcting springs are fixedly connected to the outer wall of the rotating rollers.

[0010] Through the above technical scheme: the supporting column is fixedly connected to the inner wall of the support on the front side. The pedal is connected to the connecting rod through the rotating shaft in the middle of the outer wall of the supporting column, so that the pedal can control the vertical movement of the connecting rod. The connection of the pedal and the rotating elbow further enhances the stability of the structure. When the connecting rod moves, the connecting pieces on the top will shrink accordingly, thereby improving the work efficiency. The rotating rollers are quickly detachable and installed in the fixed holes on the top of the connecting pieces, which helps to prolong the service life of the equipment. The outer wall of the rotating roller is fixedly installed with a correcting spring, which is used to correct and relieve the external applied pressure.

[0011] As a further description of the above technical scheme:

[0012] A storage box is installed on the front side of the outer wall of the workbench. A bolt III is threadedly connected to the inner wall of the storage box.

[0013] Through the above technical scheme: the front side of the workbench is provided with a storage box, which is convenient for storing articles. The inner wall of the storage box is fixed by the bolt III to prevent falling off.

[0014] As a further description of the above technical scheme:

[0015] An anti-skid pad is formed in the top of the outer wall of the pedal. A bolt hole is formed in the inner wall of the anti-skid pad.

[0016] Through the technical scheme, the anti-skid pad is arranged on the top of the pedal, so that the pedal is prevented from slipping and the friction and safety are improved during use, and the bolt holes in the inner wall of the anti-skid pad are convenient for fixing and connecting, and the structural stability is enhanced.

[0017] As a further description of the above technical scheme:

[0018] The top left side of the working platform is fixedly connected with an adjusting frame, and a bulb is installed on the top outer wall of the adjusting frame.

[0019] Through the technical scheme, the adjusting frame is fixed on the top left side of the working platform, and the bulb with adjustable angle is installed on the top outer wall of the adjusting frame, so that the illumination is provided, the user demand is met, and the working efficiency and safety are improved.

[0020] As a further description of the above technical scheme:

[0021] The bottom front and back sides of the guide rail are fixedly connected with fixing plates, the inside of the fixing plate is threadedly connected with a threaded rod, and the front end of the threaded rod is fixedly connected with a handle.

[0022] Through the technical scheme, the fixing plates are connected on the two sides of the bottom of the guide rail, the plates are threadedly connected with the threaded rods, the front end of the rod is connected with the handle, and the handle is rotated to rotate the threaded rod to clamp the guide rail, so that the structural stability and adaptability are ensured.

[0023] As a further description of the above technical scheme:

[0024] The bottom four corners of the working platform are fixedly connected with supports, and adjacent sides of the plurality of supports are fixedly connected with fixing frames.

[0025] Through the technical scheme, the supports are arranged at the corners of the bottom of the working platform, and the adjacent supports are connected with the fixing frames, so that the stability and support are enhanced.

[0026] As a further description of the above technical scheme:

[0027] The bottom of the plurality of supports is fixedly connected with a base, and the outer wall of the base is rotatably connected with a pulley.

[0028] Through the technical scheme, the base is connected with the bottom of the support, and the pulley is arranged at the bottom of the base, so that the working area is conveniently moved and adjusted.

[0029] The utility model has the advantages of the following beneficial effects:

[0030] 1. In the utility model, the sewing machine is fixed on the right side of the top of the working platform, the guide rail is arranged on the left side of the bottom of the working platform to adjust the position and width of the rotating roller, the arc-shaped sliding groove is arranged in the inner wall of the fixing block, the rotating roller is connected with the inner wall of the fixing block through the elastic nut, the height of the rotating roller is adjusted to adapt to different requirements, the structure convenience is improved through the rotating operation of the rotating roller, and the working efficiency is improved.

[0031] 2、 The utility model discloses, support column is fixed in the support inner wall front side, middle part rotation connection pedal, realize the up-and-down movement of connecting rod through treading, when connecting movement, top connecting piece contracts, improve work efficiency, it is convenient for quick dismounting and prolongs the life, and the outer wall of rotary roller is fixed correction spring, is used for correction and buffer pressure, realizes the contraction of rotary roller fast, improves work efficiency. BRIEF DESCRIPTION OF DRAWINGS

[0032] Figure 1 A perspective view of a sewing machine tensioning device is provided for the utility model;

[0033] Figure 2 A front view of a sewing machine tensioning device is provided for the utility model;

[0034] Figure 3 A right view of a sewing machine tensioning device is provided for the utility model;

[0035] Figure 4 A partial structure schematic view of a sewing machine tensioning device is provided for the utility model;

[0036] Figure 5 A contraction mechanism exploded view of a sewing machine tensioning device is provided for the utility model.

[0037] LEGEND:

[0038] 1, work platform, 2, contraction mechanism, 201, support column, 202, pedal, 203, rotation elbow, 204, connecting rod, 205, connecting piece, 206, fixed hole, 207, correction spring, 3, sewing machine body, 4, guide rail, 5, pawl, 6, sliding block, 7, recess, 8, gear, 9, bolt one, 10, fixed block, 11, bolt two, 12, arc-shaped sliding slot, 13, tension nut, 14, rotary roller, 15, adjusting handle, 16, support, 17, fixed frame, 18, base, 19, pulley, 20, adjusting frame, 21, bulb, 22, storage box, 23, bolt three, 24, non-slip pad, 25, bolt hole, 26, threaded rod, 27, handlebar, 28, fixed plate. DETAILED DESCRIPTION

[0039] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the utility model.

[0040] REFERENCE Figure 1 , Figure 3And Figure 4 The utility model provides an embodiment: a sewing machine tensioning device, the top right side of work platform 1 is fixedly connected with sewing machine body 3, the top left side of work platform 1 is installed with guide rail 4, the outer wall of guide rail 4 is fixedly connected with clamping tooth 5, the inside of guide rail 4 is slidably connected with sliding block 6, the inner wall left side of two sliding blocks 6 is equipped with recess 7, the inner wall of recess 7 is rotatably connected with gear 8, gear 8 is engaged with sliding block 6, the outer wall left side of sliding block 6 is threadedly connected with bolt one 9, the outer wall right side of sliding block 6 is installed with fixed block 10, the outer wall right side of fixed block 10 is threadedly connected with bolt two 11, the inner wall of fixed block 10 is equipped with arc slide groove 12, the inner wall of bolt two 11 is threadedly connected with tension nut 13, the left side of tension nut 13 is rotatably connected with rotating roller 14, the front end of sliding block 6 is fixedly connected with adjusting handle 15, the inner wall of work platform 1 is slidably connected with contraction mechanism 2, and contraction mechanism 2 is used to contract device, the outer wall front side of work platform 1 is installed with storage box 22, and the inner wall of storage box 22 is threadedly connected with bolt three 23;

[0041] Specifically, sewing machine body 3 is fixed at the top right side of work platform 1, and the bottom left side is provided with guide rail 4, is used for adjusting rotating roller 14 position and width, guide rail 4 left side has clamping tooth 5, and the gear 8 in the inner wall of sliding block 6 is engaged, realizes accurate adjustment, sliding block 6 slides in guide rail 4, is convenient for adjusting, sliding block 6 is fastened with guide rail 4 by bolt one 9, improves structural stability, sliding block 6 right side is connected with fixed block 10 by bolt two 11, and the inner wall of fixed block 10 has arc slide groove 12, allows rotation, increases flexibility, rotating roller 14 is connected with fixed block 10 by tension nut 13, and the height can be changed by adjusting tightness, improves adaptability, and the outer wall front side portion of work platform 1 is installed with a storage box 22, and the storage box 22 is convenient for staff to store articles, and the inner wall of storage box 22 is threadedly connected with bolt three 23, to ensure that the storage box 22 will not easily fall off in the use process.

[0042] Refer to Figure 3 、 Figure 4 And Figure 5, the contraction mechanism 2 comprises a support column 201 fixedly connected to the inner wall front side of the support 16, a pedal 202 rotatably connected to the outer wall middle part of the support column 201, a rotating elbow 203 rotatably connected to the outer wall left side of the pedal 202, a connecting rod 204 rotatably connected to the outer wall right side of the pedal 202, a connecting piece 205 rotatably connected to the top left and right sides of the connecting rod 204, a fixing hole 206 formed in the top of each of the two connecting pieces 205, a rotating roller 14 rotatably connected to the inner wall of the fixing hole 206, a correction spring 207 fixedly connected to the outer wall of the rotating roller 14, an anti-skid pad 24 formed in the top of the outer wall of the pedal 202, a bolt hole 25 formed in the inner wall of the anti-skid pad 24, an adjusting frame 20 fixedly connected to the top left side of the working platform 1, and a bulb 21 mounted on the top of the outer wall of the adjusting frame 20;

[0043] Specifically, the support column 201 is fixed to the inner wall front side of the support 16, the pedal 202 is rotatably connected to the outer wall middle part of the support column 201, the up-and-down movement of the connecting rod 204 is controlled through the pedal 202, the pedal 202 is connected with the rotating elbow 203 to enhance the structural stability, when the connecting rod 204 moves, the top connecting piece 205 is retracted to improve the working efficiency, the fixing hole 206 in the top of the connecting piece 205 is provided with a rotating roller 14 which can be quickly disassembled to prolong the service life, the rotating roller 14 is provided with a correction spring 207 on the outer wall for correcting and buffering pressure, the anti-skid pad 24 is formed in the top of the outer wall of the pedal 202 to prevent slipping during use and increase the friction force, thus improving the overall safety, the bolt hole 25 is formed in the inner wall of the anti-skid pad 24 to provide convenience for fixing and connecting, thus making the whole structure more firm, the adjusting frame 20 is fixedly connected to the top left side of the working platform 1, the adjusting frame 20 is provided with a bulb 21 mounted on the top of the outer wall of the adjusting frame 20 to provide lighting which can be adjusted in angle to meet the user's demand and greatly improve the working efficiency and safety.

[0044] Referring to Figure 1 , Figure 2 and Figure 3 , the bottom front and back sides of the guide rail 4 are fixedly connected with fixing plates 28, the interiors of the fixing plates 28 are threadedly connected with threaded rods 26, the front ends of the threaded rods 26 are fixedly connected with rotating handles 27, the bottom four corners of the working platform 1 are fixedly connected with supports 16, the adjacent sides of the plurality of supports 16 are fixedly connected with a fixing frame 17, the bottoms of the plurality of supports 16 are fixedly connected with a base 18, and the outer wall bottom of the base 18 is rotatably connected with a pulley 19;

[0045] Specifically, the bottom of the guide rail 4 is fixedly connected with the fixed plate 28 on both sides, the inside of the fixed plate 28 is threadedly connected with the threaded rod 26, and the front end of the threaded rod 26 is fixedly connected with the handle 27, so that the user can rotate the handle 27 to drive the threaded rod 26 to rotate and clamp the guide rail 4, maintain the stability and adaptability of the structure, and the bottom of the workbench 1 is fixedly provided with the support 16 at four corners, and the adjacent side of the support 16 is fixedly connected with the fixed frame 17 to provide additional stability and support. The bottom of each of the plurality of supports 16 is fixedly connected with the base 18, and the outer wall of the base 18 is rotatably connected with the pulley 19 at the bottom to facilitate the user to move the position and adjust the working area.

[0046] Working principle: The sewing machine body 3 is fixedly connected to the top right side of the workbench 1, and the guide rail 4 is installed at the bottom left side of the workbench 1. The position of the rotating roller 14 can be adjusted by using the guide rail 4 to adjust the width. The outer wall left side of the guide rail 4 is fixedly connected with the toothed gear 5, and the left side of the sliding block 6 is rotatably connected with the gear 8 in the groove 7. The precise adjustment of the rotating roller 14 is achieved by meshing connection. The sliding block 6 is slidably connected in the guide rail 4, which increases the convenience of adjustment. The outer wall left side of the sliding block 6 is threadedly connected with the bolt one 9. The position relationship between the sliding block 6 and the guide rail 4 is fastened by rotating the bolt one 9, which increases the firmness of the structure in operation. The outer wall right side of the sliding block 6 is threadedly connected with the fixed block 10 through the bolt two 11, which increases the connectivity between the fixed block 10 and the sliding block 6. The inner wall of the fixed block 10 is provided with an arc-shaped sliding groove 12, which realizes a certain angle of rotation and increases the flexibility of the structure. At the same time, the threaded connection is convenient for disassembly and maintenance. The inner wall of the fixed block 10 is rotatably connected with the rotating roller 14. The right end of the rotating roller 14 is connected with the fixed block 10 through the elastic nut 13. The height of the rotating roller 14 is adjusted by the tightness of the elastic nut 13, which increases the adaptability of the structure.

[0047] The support column 201 is fixedly connected to the inner wall front side of the support 16. The outer wall middle part of the support column 201 is rotatably connected with the pedal 202. The outer wall front end right side of the connecting rod 204 is connected by stepping on the pedal 202 to move up and down. The pedal 202 left side is connected with the rotating elbow 203, which increases the firmness of the structure and prevents it from falling off when stepping back and forth. When the connecting rod 204 moves up and down, the two connecting pieces 205 provided at the top left and right sides of the connecting rod 204 will shrink downward, which achieves the shrinkage of the rotating roller 14 of the structure and improves the working efficiency. The top of each of the two connecting pieces 205 is provided with a fixed hole 206, and the rotating roller 14 is rotatably connected in the inner wall of the fixed hole 206, which can be quickly disassembled and increases the service life. The outer wall of the rotating roller 14 is fixedly connected with the correction spring 207, which can realize correction and buffer the pressure brought by use.

[0048] Finally, it should be noted that: the above only for the preferred embodiments of the present application, and is not intended to limit the present application, although the foregoing embodiments of the present application has been described in detail, for the skilled in the art, it still can be modified, or for part of the technical features of the equivalent replacement, the spirit and principles of the present application, the made any modification, equivalent replacement, improvement, etc., should be included within the scope of the present application.

Claims

1. A sewing machine tension device comprising a worktable (1), characterized in that: The top right side of the work platform (1) is fixedly connected with a sewing machine body (3), the top left side of the work platform (1) is provided with a guide rail (4), the outer wall of the guide rail (4) is fixedly connected with a clamping tooth (5), the inner wall of the guide rail (4) is slidably connected with a sliding block (6), the inner wall of the two sliding blocks (6) is provided with a groove (7), the inner wall of the groove (7) is rotatably connected with a gear (8), the gear (8) is engaged with the sliding block (6), the outer wall of the sliding block (6) is threadedly connected with a bolt (9), the outer wall of the sliding block (6) is provided with a fixed block (10), the outer wall of the fixed block (10) is threadedly connected with a bolt (11), the inner wall of the fixed block (10) is provided with an arc-shaped sliding groove (12), the inner wall of the bolt (11) is threadedly connected with a tension nut (13), the left side of the tension nut (13) is rotatably connected with a rotating roller (14), the front end of the sliding block (6) is fixedly connected with an adjusting handle (15), the inner wall of the work platform (1) is slidably connected with a retracting mechanism (2), and the retracting mechanism (2) is used for retracting the device.

2. A thread tensioner for a sewing machine as claimed in claim 1, wherein: The retracting mechanism (2) comprises a supporting column (201), the supporting column (201) is fixedly connected to the inner wall of the bracket (16), the outer wall of the supporting column (201) is rotatably connected with a pedal (202), the outer wall of the pedal (202) is rotatably connected with a rotating elbow (203), the outer wall of the pedal (202) is rotatably connected with a connecting rod (204), the top of the connecting rod (204) is rotatably connected with a connecting piece (205), the top of the two connecting pieces (205) is provided with a fixed hole (206), the inner wall of the fixed hole (206) is rotatably connected with a rotating roller (14), and the outer wall of the rotating roller (14) is fixedly connected with a correction spring (207).

3. A thread tensioner for a sewing machine as defined in claim 1, wherein: The outer wall of the work platform (1) is provided with a storage box (22), and the inner wall of the storage box (22) is threadedly connected with a bolt (23).

4. A thread tensioner for a sewing machine as defined in claim 2, wherein: The outer wall of the pedal (202) is provided with an anti-skid pad (24), and the inner wall of the anti-skid pad (24) is provided with a bolt hole (25).

5. The sewing machine tensioner of claim 1, wherein: The top left side of the work platform (1) is fixedly connected with an adjusting frame (20), and the outer wall of the adjusting frame (20) is provided with a lamp (21).

6. A sewing machine tensioner as claimed in claim 1, wherein: The bottom of the guide rail (4) is fixedly connected with a fixed plate (28), the inner wall of the fixed plate (28) is threadedly connected with a threaded rod (26), and the front end of the threaded rod (26) is fixedly connected with a rotating handle (27).

7. The sewing machine tensioner of claim 1, wherein: The bottom of the work platform (1) is fixedly connected with a bracket (16), and the adjacent side of the plurality of brackets (16) is fixedly connected with a fixed frame (17).

8. A thread tensioner for a sewing machine as defined in claim 7, wherein: The bottom of the plurality of brackets (16) is fixedly connected with a base (18), and the outer wall of the base (18) is rotatably connected with a pulley (19).

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