Silk thread guiding device of sewing machine

Abstract

The utility model discloses a sewing machine silk thread guiding device which comprises a fixed guide rail, and a sliding seat is connected into the fixed guide rail in a sliding and penetrating mode. The supporting rod is fixedly connected to the top of the sliding seat, a limiting mechanism used for guiding and limiting the sewing thread is arranged in the mounting sleeve, the limiting mechanism comprises a limiting plate, and the limiting plate is arranged outside the thread guide roller in a sliding mode; the fixing column is used for supporting the position of the limiting plate; and the locking column is located on the limiting plate. The thread guide rollers, the limiting plates, the fixing columns, the locking columns, the mounting plate and the connecting frame are matched with one another, sewing threads penetrate through the space between the adjacent thread guide rollers and are located between the two limiting plates, the limiting plates slide on the fixing columns, the locking columns limit the relative positions of the limiting plates and the fixing columns, and therefore the sewing threads can be fixed conveniently. Therefore, the anti-falling protection of the sewing thread on the thread guide roller is facilitated, and meanwhile, the anti-falling device is suitable for different limiting positions of the sewing thread.

Description

TECHNICAL FIELD

[0001] The utility model relates to sewing machine silk thread guide field, especially in kind sewing machine silk thread guide device. BACKGROUND

[0002] Sewing machine is usually used one or more sewing thread, on the sewing material forms one or more thread, makes one or more sewing material interweaves or sews together sewing equipment, sewing machine when using, usually need to guide sewing thread, and then will use sewing machine silk thread guide device.

[0003] In the application number as 202320639260.8 mentions a kind of sewing thread guide structure of sewing machine, including base, the top of base is fixedly installed with sewing machine body, the top of body is fixedly installed with mounting plate, the top of mounting plate is fixedly installed with the guide wire assembly, the top of mounting plate is fixedly installed with the guide wire assembly, the guide wire assembly includes installation sleeve, the inside of installation sleeve is provided with longitudinal guide wire roller group one and transverse guide wire roller group two, guide wire roller group one includes two guide wire rollers, guide wire roller group two includes two guide wire rollers, and guide wire roller group two is drivenly connected with drive motor, drive motor is rotated in reverse through gear and is urged two guide wire rollers, installation sleeve outer wall is provided with pay-off groove, pay-off groove and the clearance of guide wire roller group one, the clearance of guide wire roller group two correspond, sewing thread is sequentially clamped into the clearance of guide wire roller group one, the clearance of guide wire roller group two inside installation sleeve bottom end welding with support rod, support rod bottom end welding with mounting seat, mounting seat bottom end is fixedly connected with connecting slide base through a plurality of bolts, one bolt is set as lock bolt, for fixed mounting seat, connecting slide base is slidably connected with limit guide rail.

[0004] Wherein two guide wire rollers are used to guide sewing thread, sewing thread enters from the inside of pay-off groove on installation sleeve, but guide wire roller is usually inconvenient to limit protection to the orientation of sewing thread, and then there can be sewing thread position deviation and falling off from guide wire roller, affecting the threading operation of sewing thread, and there is certain limitation. Utility model content

[0005] The utility model aims at providing a kind of sewing machine silk thread guide device to solve the problems raised in the above background.

[0006] To achieve the above object, the utility model provides the following technical scheme: a kind of sewing machine silk thread guide device, comprising:

[0007] Fixed guide rail, the inside of the fixed guide rail is slidably connected with sliding seat;

[0008] Support rod, the support rod is fixedly connected to the top of sliding seat, and the top of the support rod is fixedly connected with installation sleeve;

[0009] The inside of the mounting sleeve is rotationally connected with a thread roller, the side of the mounting sleeve is provided with a thread slot, and the inside of the mounting sleeve is provided with a limiting mechanism for guiding and limiting the sewing thread.

[0010] A limiting plate is slidingly arranged outside the thread roller, and the limiting plate is used for preventing the sewing thread from falling off;

[0011] A fixing column is slidingly arranged outside the limiting plate, and the fixing column is used for supporting the position of the limiting plate;

[0012] A locking column is arranged on the limiting plate, and the end of the locking column is in contact with the outer wall of the fixing column.

[0013] Preferably, the side of the limiting plate is symmetrically provided with a U-shaped groove, the thread roller is slidingly connected with the inner cavity of the U-shaped groove, the side of the limiting plate is symmetrically provided with a circular groove, and the fixing column is slidingly connected with the inner cavity of the circular groove.

[0014] Preferably, the other side of the limiting plate is symmetrically provided with a threaded hole, and the locking column is threadedly connected with the inner cavity of the threaded hole.

[0015] Preferably, the end of the fixing column is fixedly connected with a connecting frame, the side of the mounting sleeve is fixedly connected with a mounting plate, and the side of the inner wall of the connecting frame is provided with a mounting groove matched with the mounting plate.

[0016] Preferably, the top of the connecting frame is provided with a through groove, the inner cavity of the through groove is slidingly connected with a locking plate, the top of the mounting plate is provided with a clamping groove matched with the locking plate, the inner cavity of the through groove is embedded with a supporting ring, the top of the locking plate is fixedly connected with a connecting rod, and the connecting rod is slidingly connected with the inner cavity of the supporting ring.

[0017] Preferably, the side of the mounting sleeve is provided with a driving frame, the end of the connecting rod is fixedly connected with the driving frame, the outer part of the connecting rod is sleeved with a spring, one end of the spring is fixedly connected with the locking plate, and the other end of the spring is fixedly connected with the supporting ring.

[0018] The technical effects and advantages of the utility model are as follows:

[0019] By the cooperation of the thread roller, the limiting plate, the fixing column, the locking column, the mounting plate and the connecting frame, the sewing thread passes between the adjacent thread rollers and is located between the two limiting plates, the limiting plate slides on the fixing column, the locking column limits the relative position of the limiting plate and the fixing column, the connecting frame installs the fixing column, thereby being favorable for preventing the sewing thread on the thread roller from falling off, being favorable for adapting to different limiting positions of the sewing thread, and being convenient to operate. BRIEF DESCRIPTION OF DRAWINGS

[0020] Figure 1 It is the whole structure schematic view of the utility model.

[0021] Figure 2 It is the front view structure schematic view of the utility model limit board.

[0022] Figure 3 It is the front view structure schematic view of the utility model connecting frame.

[0023] Figure 4 It is the structure schematic view of the utility model fixed column.

[0024] In the figure: 1, fixed guide rail;2, sliding seat;3, support rod;4, mounting sleeve;5, wire roller;6, limiting mechanism;61, limiting plate;62, fixed column;63, locking column;64, mounting plate;65, connecting frame;66, locking plate;67, spring;68, drive frame. DETAILED DESCRIPTION

[0025] 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 protection scope of the utility model.

[0026] The utility model provides a sewing machine silk thread guide device as Figures 1-4 The utility model discloses a sewing machine silk thread guide device, which comprises a fixed guide rail 1 and a support rod 3, the fixed guide rail 1 is conducive to the sliding of the sliding seat 2, the fixed guide rail 1 is installed on the sewing machine, the support rod 3 is conducive to the support of the mounting sleeve 4, the inside of the fixed guide rail 1 is slidably connected with the sliding seat 2, which is conducive to the support of the support rod 3, the top of the sliding seat 2 is fixedly connected with the support rod 3, the top of the support rod 3 is fixedly connected with the mounting sleeve 4, which is conducive to the rotation of the wire roller 5 and the guidance of the sewing thread.

[0027] Further, the inside of the mounting sleeve 4 is rotatably connected with the thread roller 5, which is beneficial for the sewing thread to pass between the adjacent thread rollers 5 to guide the sewing thread. The side of the mounting sleeve 4 is provided with a thread groove, and the inside of the mounting sleeve 4 is provided with a limiting mechanism 6 for limiting the guiding of the sewing thread. The limiting mechanism 6 includes a limiting plate 61, a fixed column 62 and a locking column 63. The limiting plate 61 is beneficial for the sewing thread to pass between them, which is beneficial for the limiting protection of the conveying and guiding of the sewing thread to avoid the sewing thread from being separated from the thread roller 5. The fixed column 62 is beneficial for supporting the limiting plate 61 and adjusting the limiting position of the limiting plate 61, which is convenient for adapting to different guiding positions of the sewing thread. The locking column 63 is beneficial for limiting the relative position of the limiting plate 61 and the fixed column 62 to adjust the limiting position of the limiting plate 61. The limiting plate 61 is slidably arranged outside the thread roller 5 and is used for preventing the sewing thread from falling off. The limiting plate 61 is slidably arranged outside the fixed column 62, and the fixed column 62 is used for supporting the position of the limiting plate 61. The locking column 63 is located on the limiting plate 61, and the end of the locking column 63 is in contact with the outer wall of the fixed column 62.

[0028] Specifically, the side of the limiting plate 61 is symmetrically provided with a U-shaped groove, the thread roller 5 is slidably connected with the inner cavity of the U-shaped groove, the side of the limiting plate 61 is symmetrically provided with a circular groove, the fixed column 62 is slidably connected with the inner cavity of the circular groove, and the other side of the limiting plate 61 is symmetrically provided with a screw hole. The locking column 63 is threadedly connected with the inner cavity of the screw hole.

[0029] More specifically, the end of the fixed column 62 is fixedly connected with a connecting frame 65, the connecting frame 65 is L-shaped, which is conducive to supporting the fixed column 62, facilitating positioning and installation of the fixed column 62, the side of the mounting sleeve 4 is fixedly connected with a mounting plate 64, which is conducive to being connected with the connecting frame 65 to position and install the connecting frame 65, the side of the inner wall of the connecting frame 65 is provided with a mounting groove matched with the mounting plate 64, the top of the connecting frame 65 is provided with a through groove, the inner cavity of the through groove is slidably connected with a locking plate 66, the side of the locking plate 66 is provided with a slope abutting against the mounting plate 64, which is conducive to sliding installation of the locking plate 66, the locking plate 66 is conducive to limiting the relative position of the mounting plate 64 and the connecting frame 65, facilitating installation and disassembly of the limiting plate 61, the top of the mounting plate 64 is provided with a clamping groove matched with the locking plate 66, the inner cavity of the through groove is embedded with a supporting ring, the top of the locking plate 66 is fixedly connected with a connecting rod, the connecting rod is slidably connected with the inner cavity of the supporting ring, the side of the mounting sleeve 4 is provided with a driving frame 68, the driving frame 68 is U-shaped, the driving frame 68 is conducive to simultaneously driving two connecting rods in the same column to move, facilitating simultaneous disengagement of two locking plates 66 in the same column from the mounting plate 64, the end of the connecting rod is fixedly connected with the driving frame 68, the connecting rod is externally sleeved with a spring 67, the elastic force of the spring 67 is conducive to pushing the locking plate 66 to move, facilitating the locking plate 66 to return to the original position after movement, facilitating repeated operation of the locking plate 66, one end of the spring 67 is fixedly connected with the locking plate 66, the other end of the spring 67 is fixedly connected with the supporting ring.

[0030] Finally, it should be noted that: the above only for the preferred embodiments of the present application, and not for limiting the present application, although the foregoing detailed description of the present application, for the person skilled in the art, it still can be modified, or part of the technical features of the equivalent replacement, within the spirit and principles of the present application, any modification, equivalent replacement, improvement, etc., should be included in the scope of protection of the present application.

Claims

1. A sewing machine thread guiding device, comprising: a fixed guide rail (1), the inside of which is slidingly connected with a sliding seat (2); a support rod (3), the top of which is fixedly connected with the sliding seat (2), and the top of the support rod (3) is fixedly connected with a mounting sleeve (4); characterized in that the inside of the mounting sleeve (4) is rotatably connected with a thread roller (5), the side of the mounting sleeve (4) is provided with a pay-off groove, and the inside of the mounting sleeve (4) is provided with a limiting mechanism (6) for guiding and limiting the sewing thread, the limiting mechanism (6) comprising: a limiting plate (61), which is slidingly arranged outside the thread roller (5) and is used for preventing the sewing thread from falling off; a fixed column (62), which is slidingly arranged outside the fixed column (62) and is used for supporting the position of the limiting plate (61); a locking column (63), which is located on the limiting plate (61) and the end of which is in close contact with the outer wall of the fixed column (62).

2. A thread guide for a sewing machine according to claim 1, wherein The side of the limiting plate (61) is symmetrically provided with a U-shaped groove, the thread roller (5) is slidingly connected with the inner cavity of the U-shaped groove, the side of the limiting plate (61) is symmetrically provided with a circular groove, and the fixed column (62) is slidingly connected with the inner cavity of the circular groove.

3. A thread guide for a sewing machine as defined in claim 1, wherein The other side of the limiting plate (61) is symmetrically provided with a threaded hole, and the locking column (63) is threadedly connected with the inner cavity of the threaded hole.

4. The thread guide of claim 1 wherein, The end of the fixed column (62) is fixedly connected with a connecting frame (65), the side of the mounting sleeve (4) is fixedly connected with a mounting plate (64), and the side of the inner wall of the connecting frame (65) is provided with a mounting groove matched with the mounting plate (64).

5. A thread guide for a sewing machine as defined in claim 4, wherein The top of the connecting frame (65) is provided with a through groove, the inner cavity of the through groove is slidingly connected with a locking plate (66), the top of the mounting plate (64) is provided with a clamping groove matched with the locking plate (66), the inner cavity of the through groove is embedded with a supporting ring, the top of the locking plate (66) is fixedly connected with a connecting rod, and the connecting rod is slidingly connected with the inner cavity of the supporting ring.

6. A sewing machine thread guide according to claim 5, wherein, The side of the mounting sleeve (4) is provided with a driving frame (68), the end of the connecting rod is fixedly connected with the driving frame (68), the outer part of the connecting rod is sleeved with a spring (67), one end of the spring (67) is fixedly connected with the locking plate (66), and the other end of the spring (67) is fixedly connected with the supporting ring.

Images