Sewing machine for trouser production

By designing the structure of the guide groove, slider and drive assembly in the suture machine, the problem of the lack of anti-offset mechanism by the suture machine is solved, and the stability and high-quality effect of the pants are achieved when sewing.

CN222781785UActive Publication Date: 2025-04-22JINING HUACHENG BAILING CLOTHING CO LTD
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Patent Information

Application Number
CN202421656547.2
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-07-13
Publication Date
2025-04-22
Estimated Expiration
2034-07-13

AI Technical Summary

Technical Problem

The existing suture machines for pants production lack an anti-offset mechanism, which may cause offsets during suture and cannot meet production requirements.

Method used

A sewing machine structure including a guide groove, a slider, a first slider, a first slider, a threaded rod and a press plate is designed. The threaded rod is driven to rotate by a driving assembly, and the slider and press plate are moved, ensuring that the pants remain stable during sewing and prevent deviation.

Benefits of technology

Through the provided guide grooves and slide structure, the pants are ensured that there is no offset when sewing, and can achieve high-quality sewing effect and meet production requirements.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model belongs to the technical field of trousers production, and particularly relates to a trousers production sewing machine which comprises a sewing machine body and a guide groove, the guide groove is formed in the sewing machine body, a sliding plate is slidably connected in the guide groove, two first sliding grooves are formed in the sliding plate, and first sliding blocks are slidably connected in the first sliding grooves. Threaded rods rotating relative to the first sliding grooves are connected into the first sliding blocks in a threaded mode, and a first pressing plate is fixedly connected between the two first sliding blocks. The driving assembly is located in the sliding plate and used for driving the two threaded rods to rotate; the second sliding groove is formed in the first pressing plate and communicated with the outside, a second sliding block is connected into the second sliding groove in a sliding mode, and the bottom end of the second sliding block is fixedly connected with a scraping plate. The problem that the sewn trousers cannot meet the production requirement is solved.
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Description

Technical Field

[0001] The utility model belongs to the technical field of trousers production, in particular to a sewing machine for trousers production. Background Art

[0002] The sewing machine used in trouser production is usually a device dedicated to sewing, welding, melting and embossing operations. This type of equipment plays a vital role in clothing production, especially for the processing of synthetic fiber fabrics.

[0003] These include lockstitch sewing machines, overlock sewing machines (overlock machines), etc. Lockstitch sewing machines are mainly used to sew straight lines and simple curves, and are one of the most commonly used sewing equipment in trouser production. Overlock sewing machines are mainly used to process the edges of trousers, such as rolling collars, piping, hemming, etc., to ensure that the edges of the trousers are flat, beautiful, and not easy to fall off.

[0004] For example, the Chinese patent with the publication number CN213925359U discloses a sewing machine for pants production, including a workbench, a machine is provided on the upper outer surface of the workbench, and a control box and a fixed frame are provided on the lower outer surface of the workbench. The sewing machine for pants production described in the utility model is provided with a positioning mechanism and a storage mechanism, a positioning plate is sleeved on the outer surface of the fixed frame, and the positioning plate is clamped on the outer surface of the fixed frame using a fixing bolt. When people use the foot pedal, the provided positioning plate can position the foot, which is convenient for people to use. The foot can move up and down through the beads, and the foot can be simply massaged to improve people's work efficiency. The outer surface of one side of the hollow plate is fixed on the outer surface of the other side of the control box, and the handle is pulled up to pull up the fixed plate. Then people can put the mobile phone into the hollow plate and release the handle. At this time, the fixed plate is firmly clamped on the inner surface of the hollow plate by the elastic force of the spring, which brings better use prospects.

[0005] The above patent has the following problems:

[0006] This patent has some disadvantages when used, such as: the sewing machine does not have an anti-deviation mechanism, which may cause the sewing machine to deviate when sewing the trousers, resulting in the sewn trousers failing to meet the production requirements. In view of this, we propose a sewing machine for trousers production. Utility Model Content

[0007] The purpose of the utility model is to provide a sewing machine for trousers production to solve the problems raised in the above background technology.

[0008] In view of this, the utility model provides a trousers production sewing machine, comprising:

[0009] A suture machine body and a guide groove, wherein the guide groove is provided on the suture machine body, a slide plate is slidably connected in the guide groove, two first slide grooves are provided on the slide plate, a first slider is slidably connected in the first slide groove, a threaded rod rotating with the first slide groove is threadedly connected in the first slider, and a first pressing plate is fixedly connected between the two first sliders;

[0010] A driving assembly, the driving assembly is located in the slide plate and is used to drive the two threaded rods to rotate;

[0011] A second slide groove, wherein the second slide groove is arranged in the first pressure plate and is in communication with the outside, a second slider is slidably connected in the second slide groove, a scraper is fixedly connected to the bottom end of the second slider, and the scraper is located in the second slide groove and is slidably connected to the second slide groove, a second pressure plate is fixedly connected to one side of the scraper, and the second pressure plate is located in the second slide groove and is slidably connected to the second slide groove.

[0012] Based on the above structure, by setting the guide groove and the slide plate, it is ensured that the slide plate can slide in the guide groove, by setting the first slide groove and the first slider, it is ensured that the first slider can slide in the first slide groove, by setting the driving assembly, the threaded rod and the first pressure plate, it is ensured that the user can drive the two threaded rods to rotate through the driving assembly, so that the two first sliders are respectively acted upon by the threads of the two threaded rods to drive the first pressure plate to move, by setting the second slide groove and the second slider, it is ensured that the second slider can slide in the second slide groove, by setting the scraper plate and the second pressure plate, it is ensured that when the second slider slides, the second slider can drive the scraper plate to slide, so that the scraper plate flattens the wrinkles on the trousers, and at the same time, the scraper plate will drive the second pressure plate to move, to ensure that when the first pressure plate moves down to a suitable position, the second pressure plate and the first pressure plate can fix the trousers.

[0013] In the above technical solution, further, the driving component includes:

[0014] A movable groove, the movable groove is opened in the slide plate and communicated with the two first slide grooves, two sprockets are rotatably connected in the movable groove, and one end of the two sprockets extends into the two first slide grooves respectively and is fixed to the bottom ends of the two threaded rods respectively, and a chain is meshed between the two sprockets;

[0015] A gear groove, wherein the gear groove is provided in the slide plate and communicates with the movable groove, wherein a first gear and a second gear are rotatably connected in the gear groove, and the top end of the first gear extends into the movable groove and is fixed to one of the sprockets, the first gear and the second gear are meshed with each other, and a rotating rod is fixedly connected to the second gear, and one end of the rotating rod penetrates the inner wall of the gear groove and extends to the outside to be rotatably connected to the slide plate;

[0016] The fixing assembly is located in the slide plate and is used to fix the rotating rod.

[0017] In this technical solution, it is ensured that the first pressing plate and the second pressing plate can completely press and fix the trousers.

[0018] In the above technical solution, further, the fixing assembly includes:

[0019] A through groove is provided in the slide plate and is connected to the outside. A plurality of third sliding grooves are provided on the bottom surface of the inner wall of the through groove. A threaded sleeve is threadedly connected to the through groove, and the threaded sleeve is arranged on the peripheral side of the rotating rod. An extrusion groove is provided at the bottom end of the threaded sleeve. A plurality of extrusion blocks are respectively slidably connected to the plurality of third sliding grooves, and the top ends of the plurality of extrusion blocks respectively extend into the extrusion grooves.

[0020] In this technical solution, it is ensured that the rotating rod will not rotate due to external influences.

[0021] In the above technical solution, further, the inner wall of the extrusion groove is arranged to be inclined.

[0022] In this technical solution, it is ensured that the threaded sleeve can extrude one end of a plurality of extrusion blocks through the extrusion groove.

[0023] In the above technical solution, further, one end of the sprocket is rotatably connected to the first sliding groove.

[0024] In this technical solution, it is ensured that one end of the sprocket can rotate normally in the first sliding groove.

[0025] In the above technical solution, further, one end of the first gear is rotatably connected to the movable groove.

[0026] In this technical solution, it is ensured that one end of the first gear can rotate normally in the movable groove.

[0027] The beneficial effects of the utility model are:

[0028] 1. The trousers production sewing machine ensures that the slide plate can slide in the guide groove through the provided guide groove and the slide plate, ensures that the first slide plate can slide in the first slide groove through the provided first slide groove and the first slider, ensures that the first slider can slide in the first slide groove through the provided driving assembly, and ensures that the user can drive the two threaded rods to rotate through the provided driving assembly, so that the two first sliders are respectively driven by the action of the threads of the two threaded rods to drive the first slider to move, ensures that the second slider can slide in the second slide groove through the provided second slide groove and the provided scraper plate and the second slider, ensures that when the second slider slides, the second slider can drive the scraper plate to slide, so that the scraper plate flattens the wrinkles on the trousers, and at the same time, the scraper plate drives the second slider to move, ensures that when the first slider moves downward to a suitable position, the second slider and the first slider can fix the trousers, thereby solving the problem that the sewing machine does not have an anti-deviation mechanism, which may cause the trousers to deviate when sewing, and the sewn trousers fail to meet production requirements.

[0029] 2. The trousers production sewing machine ensures that the user can fix the rotating rod through the fixing component by means of the setting of the fixing component and the rotating rod, thereby preventing the rotating rod from rotating due to external influences. BRIEF DESCRIPTION OF THE DRAWINGS

[0030] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0031] Figure 2 It is a schematic diagram of the internal structure of the guide groove of the utility model;

[0032] Figure 3 It is a schematic diagram of the explosion structure of the area of ​​the utility model;

[0033] Figure 4 This is one of the schematic diagrams of the internal structure of the skateboard of the utility model;

[0034] Figure 5 This is the second schematic diagram of the internal structure of the skateboard of the utility model;

[0035] Figure 6 It is a partial exploded structure schematic diagram of the utility model.

[0036] The symbols in the figure are:

[0037] 1. Stitching machine body; 2. Guide groove; 3. Slide plate; 4. First slide groove; 5. First slider; 6. Threaded rod; 7. First pressure plate; 8. Second slide groove; 9. Second slider; 10. Scraper; 11. Second pressure plate; 12. Movable groove; 13. Sprocket; 14. Chain; 15. Gear groove; 16. First gear; 17. Second gear; 18. Rotating rod; 19. Through groove; 20. Third slide groove; 21. Threaded sleeve; 22. Extrusion groove; 23. Extrusion block. DETAILED DESCRIPTION

[0038] The following will be combined with the drawings in the embodiments of the present application to clearly describe the technical solutions in the embodiments of the present application. Obviously, the described embodiments are part of the embodiments of the present application, rather than all the embodiments. All other embodiments obtained by ordinary technicians in this field based on the embodiments in the present application belong to the scope of protection of this application.

[0039] In the description of the present application, it should be noted that the terms used herein are only for describing specific embodiments, and are not intended to limit the exemplary embodiments according to the present application. For ease of description, the sizes of the various parts shown in the drawings are not drawn according to the actual proportional relationship. The technology, methods and equipment known to ordinary technicians in the relevant field may not be discussed in detail, but in appropriate cases, the technology, methods and equipment should be regarded as part of the authorization specification. In all examples shown and discussed here, any specific value should be interpreted as merely exemplary, rather than as a limitation. Therefore, other examples of the exemplary embodiments may have different values. It should be noted that similar numbers and letters represent similar items in the following drawings, so once an item is defined in one drawing, it does not need to be further discussed in subsequent drawings.

[0040] It should be noted that the terms "first", "second", etc. in the specification and claims of the present application are used to distinguish similar objects, and are not used to describe a specific order or sequence. It should be understood that the data used in this way can be interchangeable under appropriate circumstances, so that the embodiments of the present application can be implemented in an order other than those illustrated or described here, and the objects distinguished by "first", "second", etc. are generally of one type, and the number of objects is not limited. For example, the first object can be one or more. In addition, "and / or" in the specification and claims represents at least one of the connected objects, and the character " / " generally indicates that the objects associated with each other are in an "or" relationship.

[0041] It should be noted that, in the description of the present application, the orientation or positional relationship indicated by terms such as "front, back, up, down, left, right", "lateral, vertical, perpendicular, horizontal" and "top, bottom" are usually based on the orientation or positional relationship shown in the drawings, and are only for the convenience of describing the present application and simplifying the description. Unless otherwise stated, these orientation words do not indicate or imply that the device or element referred to must have a specific orientation or be constructed and operated in a specific orientation, and therefore cannot be understood as limiting the scope of protection of the present application; the orientation words "inside and outside" refer to the inside and outside relative to the contour of each component itself.

[0042] It should be noted that, in the present application, the terms "comprise", "include" or any other variant thereof are intended to cover non-exclusive inclusion, so that a process, method, article or device including a series of elements includes not only those elements, but also other elements not explicitly listed, or also includes elements inherent to such process, method, article or device. In the absence of further restrictions, an element defined by the sentence "comprises one..." does not exclude the presence of other identical elements in the process, method, article or device including the element. In addition, it should be noted that the scope of the method and device in the embodiment of the present application is not limited to performing functions in the order shown or discussed, and may also include performing functions in a substantially simultaneous manner or in reverse order according to the functions involved, for example, the described method may be performed in an order different from that described, and various steps may also be added, omitted, or combined. In addition, the features described with reference to certain examples may be combined in other examples.

[0043] Embodiment 1:

[0044] See also Figure 1 - Figure 6 As shown, this embodiment provides a sewing machine for producing trousers, comprising:

[0045] A sewing machine body 1 and a guide groove 2, wherein the guide groove 2 is provided on the sewing machine body 1, a slide plate 3 is slidably connected in the guide groove 2, two first slide grooves 4 are provided on the slide plate 3, a first slider 5 is slidably connected in the first slide groove 4, a threaded rod 6 is threadedly connected in the first slider 5 to rotate with the first slide groove 4, and a first pressing plate 7 is fixedly connected between the two first sliders 5;

[0046] A driving assembly, which is located inside the slide plate 3 and is used to drive the two threaded rods 6 to rotate;

[0047] The second slide groove 8 is opened in the first pressure plate 7 and is connected to the outside. The second slide groove 8 is slidably connected with the second slider 9. The bottom end of the second slider 9 is fixedly connected with a scraper 10, and the scraper 10 is located in the second slide groove 8 and is slidably connected to the second slide groove 8. A second pressure plate 11 is fixedly connected to one side of the scraper 10, and the second pressure plate 11 is located in the second slide groove 8 and is slidably connected to the second slide groove 8.

[0048] Embodiment 2:

[0049] This embodiment provides a sewing machine for producing trousers, which, in addition to the technical solutions of the above embodiments, also has the following technical features, and the driving component includes:

[0050] A movable groove 12 is provided in the slide plate 3 and communicated with the two first slide grooves 4. Two sprocket wheels 13 are rotatably connected in the movable groove 12, and one end of the two sprocket wheels 13 extends into the two first slide grooves 4 and is respectively fixed to the bottom ends of the two threaded rods 6, and a chain 14 is meshed between the two sprocket wheels 13;

[0051] A gear groove 15, which is provided in the slide plate 3 and communicates with the movable groove 12, wherein a first gear 16 and a second gear 17 are rotatably connected in the gear groove 15, and a top end of the first gear 16 extends into the movable groove 12 and is fixed to one of the sprockets 13, the first gear 16 and the second gear 17 are meshed with each other, a rotating rod 18 is fixedly connected to the second gear 17, and one end of the rotating rod 18 passes through the inner wall of the gear groove 15 and extends to the outside to be rotatably connected to the slide plate 3;

[0052] The fixing assembly is located in the slide plate 3 and is used to fix the rotating rod 18 .

[0053] When in use, the user places the side of the pants that does not need to be sewn between the slide plate 3 and the first pressing plate 7 and moves it to a suitable position, so that the side of the pants that needs to be sewn is located below the head of the sewing machine body 1, and then the user rotates the rotating rod 18 to allow the rotating rod 18 to drive the second gear 17 to rotate in the gear groove 15, so that the second gear 17 drives the first gear 16 to rotate in the gear groove 15. When the first gear 16 rotates, the first gear 16 will drive one of the sprocket wheels 13 to rotate in the movable groove 12, so that one of the sprocket wheels 13 drives the other sprocket wheel 13 to rotate through the chain 14. When the two sprocket wheels 13 rotate, the two sprocket wheels 13 will respectively drive the two threaded rods 6 to rotate in the two first sliding grooves 4, so that the two first sliding blocks 5 are affected by the threads of the other two threaded rods 6. The two first slide grooves 4 are respectively moved downward, so that the two first sliders 5 drive the first pressure plate 7 to move downward. When the first pressure plate 7 moves to a suitable position, the bottom of the scraper 10 will contact the trousers. Then stop rotating the rotating rod 18 by hand, and pull the second slider 9 by hand to allow the second slider 9 to drive the scraper 10 to move along the second slide groove 8 and flatten the wrinkled part of the trousers. At the same time, the scraper 10 will drive the second pressure plate 11 to move in the second slide groove 8. When the scraper 10 moves to a suitable position, the wrinkled part of the trousers will be completely flattened. Then the user continues to rotate the rotating rod 18 to allow the first pressure plate 7 to continue to move downward. When the first pressure plate 7 moves to a position where it cannot move, it is ensured that the first pressure plate 7 and the second pressure plate 11 can completely press and fix the trousers.

[0054] Embodiment 3:

[0055] This embodiment provides a sewing machine for producing trousers, which, in addition to the technical solutions of the above embodiments, also has the following technical features, and the fixing component includes:

[0056] A through groove 19 is provided in the slide plate 3 and is connected to the outside. A plurality of third slide grooves 20 are provided on the inner wall bottom surface of the through groove 19. A threaded sleeve 21 is connected to the inner thread of the through groove 19, and the threaded sleeve 21 is arranged on the peripheral side of the rotating rod 18. An extrusion groove 22 is provided at the bottom end of the threaded sleeve 21. A plurality of extrusion blocks 23 are respectively slidably connected to the plurality of third slide grooves 20, and the top ends of the plurality of extrusion blocks 23 respectively extend into the extrusion grooves 22.

[0057] Among them, the user rotates the threaded sleeve 21 by hand, so that the threaded sleeve 21 moves downward under the action of the thread of the third slide groove 20, and the threaded sleeve 21 drives the extrusion groove 22 to squeeze one end of the multiple extrusion blocks 23, so that the multiple extrusion blocks 23 move toward the direction of the rotating rod 18 along the multiple third slide grooves 20 respectively. When the threaded sleeve 21 moves downward to a suitable position, the multiple extrusion blocks 23 will squeeze and fix the rotating rod 18 to ensure that the rotating rod 18 will not rotate due to external influences.

[0058] Embodiment 4:

[0059] This embodiment provides a sewing machine for producing trousers. In addition to the technical solutions of the above embodiments, it also has the following technical features: the inner wall of the extrusion groove 22 is inclined.

[0060] The threaded sleeve 21 is ensured to be able to extrude one end of the plurality of extrusion blocks 23 through the extrusion groove 22 .

[0061] Embodiment 5:

[0062] This embodiment provides a sewing machine for producing trousers. In addition to the technical solutions of the above embodiments, it also has the following technical features: one end of the sprocket 13 is rotatably connected to the first slide groove 4.

[0063] Here, it is ensured that one end of the sprocket 13 can rotate normally in the first sliding groove 4.

[0064] Embodiment 6:

[0065] This embodiment provides a sewing machine for producing trousers. In addition to the technical solutions of the above embodiments, it also has the following technical features: one end of the first gear 16 is rotatably connected to the movable groove 12.

[0066] Here, it is ensured that one end of the first gear 16 can rotate normally in the movable groove 12 .

[0067] When in use, the user places the side of the pants that does not need to be sewn between the slide plate 3 and the first pressing plate 7 and moves it to a suitable position so that the side of the pants that needs to be sewn is located below the head of the sewing machine body 1. Then the user rotates the rotating rod 18 to allow the rotating rod 18 to drive the second gear 17 to rotate in the gear groove 15, so that the second gear 17 drives the first gear 16 to rotate in the gear groove 15. When the first gear 16 rotates, the first gear 16 will drive one of the sprockets 13 to rotate in the movable groove 12, so that one of the sprockets 13 drives the other through the chain 14. The two sprockets 13 rotate. When the two sprockets 13 rotate, the two sprockets 13 will respectively drive the two threaded rods 6 to rotate in the two first slide grooves 4, so that the two first sliders 5 are affected by the threads of the other two threaded rods 6 and move downward along the two first slide grooves 4 respectively, so that the two first sliders 5 drive the first pressure plate 7 to move downward. When the first pressure plate 7 moves to a suitable position, the bottom of the scraper 10 will contact the trousers. Then, stop rotating the rotating rod 18 by hand, and pull the second slider 9 by hand, so that the second slider 9 drives the scraper 10 along the second slide groove 8 The scraper 10 moves and flattens the wrinkled part of the trousers. At the same time, the scraper 10 drives the second pressing plate 11 to move in the second slide groove 8. When the scraper 10 moves to a suitable position, the wrinkled part of the trousers will be completely flattened. Then the user continues to rotate the rotating rod 18 to allow the first pressing plate 7 to continue to move downward. When the first pressing plate 7 moves to a position where it cannot move, it is ensured that the first pressing plate 7 and the second pressing plate 11 can completely press and fix the trousers. Then the user manually rotates the threaded sleeve 21 to allow the threaded sleeve 21 to move downward under the action of the thread of the third slide groove 20, so that the threaded sleeve 21 The threaded sleeve 21 drives the extrusion groove 22 to squeeze one end of the multiple extrusion blocks 23, so that the multiple extrusion blocks 23 move along the multiple third slide grooves 20 toward the direction of the rotating rod 18. When the threaded sleeve 21 moves downward to a suitable position, the multiple extrusion blocks 23 will squeeze and fix the rotating rod 18 to ensure that the rotating rod 18 will not rotate due to external influences. Then the user starts the sewing machine body 1 to let the head on the sewing machine body 1 sew the pants. At the same time, the user pushes the slide plate 3 to let the slide plate 3 move along the guide groove 2 to prevent the pants from shifting during sewing.

[0068] The embodiments of the present application are described above in conjunction with the accompanying drawings. In the absence of conflict, the embodiments in the present application and the features in the embodiments can be combined with each other. The present application is not limited to the above-mentioned specific implementation methods. The above-mentioned specific implementation methods are merely illustrative and not restrictive. Under the guidance of the present application, ordinary technicians in this field can also make many forms without departing from the purpose of the present application and the scope of protection of the claims, all of which are within the protection of the present application.

Claims

1. A sewing machine for trousers production, characterized in that: include: A sewing machine body (1) and a guide groove (2), wherein the guide groove (2) is provided on the sewing machine body (1), a slide plate (3) is slidably connected in the guide groove (2), two first slide grooves (4) are provided on the slide plate (3), a first slider (5) is slidably connected in the first slide groove (4), a threaded rod (6) that rotates with the first slide groove (4) is internally threadedly connected in the first slider (5), and a first pressing plate (7) is fixedly connected between the two first sliders (5); A driving assembly, the driving assembly being located in the slide plate (3) and being used for driving the two threaded rods (6) to rotate; A second slide groove (8), wherein the second slide groove (8) is arranged in the first pressure plate (7) and is in communication with the outside, a second slider (9) is slidably connected in the second slide groove (8), a scraper (10) is fixedly connected to the bottom end of the second slider (9), and the scraper (10) is located in the second slide groove (8) and is slidably connected to the second slide groove (8), a second pressure plate (11) is fixedly connected to one side of the scraper (10), and the second pressure plate (11) is located in the second slide groove (8) and is slidably connected to the second slide groove (8).

2. A trousers production sewing machine according to claim 1, characterized in that: The drive assembly comprises: A movable groove (12), the movable groove (12) is provided in the slide plate (3) and is connected to the two first slide grooves (4), two sprocket wheels (13) are rotatably connected in the movable groove (12), and one end of the two sprocket wheels (13) respectively extends into the two first slide grooves (4) and is respectively fixed to the bottom ends of the two threaded rods (6), and a chain (14) is meshed between the two sprocket wheels (13); A gear groove (15), wherein the gear groove (15) is provided in the slide plate (3) and is connected to the movable groove (12); a first gear (16) and a second gear (17) are rotatably connected in the gear groove (15); a top end of the first gear (16) extends into the movable groove (12) and is fixed to one of the sprockets (13); the first gear (16) and the second gear (17) are meshed with each other; a rotating rod (18) is fixedly connected to the second gear (17); one end of the rotating rod (18) passes through the inner wall of the gear groove (15) and extends to the outside to be rotatably connected to the slide plate (3); A fixing assembly is located in the slide plate (3) and is used to fix the rotating rod (18).

3. A trousers production sewing machine according to claim 2, characterized in that: The fixing assembly comprises: A through groove (19), wherein the through groove (19) is provided in the slide plate (3) and communicates with the outside, a plurality of third slide grooves (20) are provided on the inner wall bottom surface of the through groove (19), a threaded sleeve (21) is connected to the inner thread of the through groove (19), and the threaded sleeve (21) is arranged on the peripheral side of the rotating rod (18), an extrusion groove (22) is provided at the bottom end of the threaded sleeve (21), and a plurality of extrusion blocks (23) are respectively slidably connected to the plurality of third slide grooves (20), and the top ends of the plurality of extrusion blocks (23) respectively extend into the extrusion grooves (22).

4. A trousers production sewing machine according to claim 3, characterized in that: The inner wall of the extrusion groove (22) is arranged to be inclined.

5. A trousers production sewing machine according to claim 2, characterized in that: One end of the sprocket (13) is rotatably connected to the first slide groove (4).

6. A trousers production sewing machine according to claim 2, characterized in that: One end of the first gear (16) is rotatably connected to the movable groove (12).

Citation Information

Patent Citations

  • Sewing machine for trouser production

    CN213925359U