Double-needle synchronous machine structure for sewing automobile seat cover

Abstract

The utility model relates to a double-needle synchronous machine structure for sewing an automobile seat cover, which belongs to the technical field of sewing machines and comprises a needle seat and a needle rod, two machine needles are arranged at the bottom of the needle seat, and mounting components are arranged on the outer sides of the two machine needles. The mounting assembly comprises an adjusting block, a fixing plate and a connecting piece, the adjusting block is arranged on the side wall of the needle base, the fixing plate is fixedly connected to the side wall of the bottom of the adjusting block and is in sliding connection with the bottom of the needle base, the machine needle is fixedly mounted at the bottom of the fixing plate, the connecting piece is fixedly connected to the side wall of the needle base, and the connecting piece is fixedly connected to the side wall of the needle base. The connecting piece penetrates through the inner side of the adjusting block, an installation piece is fixedly connected to the outer wall of the adjusting block, and a positioning screw is arranged between the installation piece and the connecting piece. According to the double-needle synchronous machine structure for sewing the automobile seat cover, the distance between the two needles can be conveniently adjusted, the sewing requirements of different distances are met, the use convenience is improved, and the practicability is high.

Description

TECHNICAL FIELD

[0001] The utility model relates to sewing machine technical field, concretely is a kind of double needle synchronous machine structure for sewing of car seat cover. BACKGROUND

[0002] Car seat is an indispensable part of car, it is related to the safety, comfort and beauty of the rider, car seat cover and car seat are closely related to the three requirements, sewing machine is needed in the process of processing car seat cover, sewing machine is the machine that one or more sewing thread is used to form one or more stitches on the material, so that one or more layers of material are interlaced or sewn together, at present, in order to improve the sewing efficiency or sew two equidistant seams, double needle sewing machine is generally used for sewing.

[0003] The prior art with publication number CN217839358U discloses a double needle synchronous device of sewing machine, which comprises a needle rod connecting seat connected with a needle rod, a plurality of machine needles are arranged side by side on the needle rod connecting seat, a machine needle mounting groove is arranged on the end face of the needle rod connecting seat away from the needle rod, the machine needles are arranged in the machine needle mounting groove, a moving groove is arranged in the needle rod connecting seat and perpendicular to the machine needle mounting groove, a moving tube is slidably arranged in the moving groove, a locking block is arranged on the outer wall of the moving tube and slidably penetrates into the machine needle mounting groove, the locking block can lock the machine needle by moving, and a threaded rod is threadedly connected with the moving tube and rotatably arranged in the moving groove.

[0004] However, the device cannot adjust the distance between the two needles during use, resulting in a single sewing function that cannot meet the sewing needs of different distances, causing inconvenience in production, so a double needle synchronous machine structure for sewing of car seat cover is proposed to solve the above problems. UTILITY MODEL CONTENTS

[0005] In view of the deficiencies of the prior art, the utility model provides a double needle synchronous machine structure for sewing of car seat cover, which has the advantages of easy adjustment of the distance between the two needles, solves the problem that the distance between the two needles cannot be adjusted during use, resulting in a single sewing function that cannot meet the sewing needs of different distances, causing inconvenience in production.

[0006] To achieve the above purpose, the utility model provides the following technical scheme: a double needle synchronous machine structure for sewing of car seat cover, comprising a needle holder and a needle rod, the needle holder is provided with a machine needle at the bottom, the number of machine needles is two, and the outer side of the two machine needles is provided with a mounting assembly;

[0007] The mounting assembly comprises an adjusting block, a fixing plate and a connecting piece, the adjusting block is arranged on the side wall of the needle seat, the fixing plate is fixedly connected on the bottom side wall of the adjusting block, and the fixing plate is in sliding connection with the bottom of the needle seat, the machine needle is fixedly installed on the bottom of the fixing plate, the connecting piece is fixedly connected on the side wall of the needle seat, the connecting piece penetrates the inner side of the adjusting block, the outer wall of the adjusting block is fixedly connected with a mounting piece, a positioning screw is arranged between the mounting piece and the connecting piece, and a plurality of through holes are equidistantly arranged on the connecting piece.

[0008] Further, the top of the fixing plate is fixedly connected with a sliding strip, the cross section of the sliding strip is T-shaped, and the number of the sliding strips on each fixing plate is two.

[0009] Further, the bottom of the needle seat is provided with a sliding groove corresponding to the sliding strip, the sliding groove is a T-shaped sliding groove, and the sliding strip is matched with the inner side of the sliding groove.

[0010] Further, the inner side of the adjusting block is provided with a socket, the connecting piece is matched with the inner side of the socket, and the mounting piece is located on the lower side of the socket.

[0011] Further, the inner side of the mounting piece is provided with a threaded hole, and the positioning screw is in screw thread cooperation with the inner side of the threaded hole.

[0012] Further, the combination of the adjusting block and the fixing plate is L-shaped, and the needle rod is fixedly installed on the top of the needle seat.

[0013] Further, the plurality of through holes on the connecting piece are matched with the positioning screw.

[0014] Compared with the prior art, the automobile seat cover sewing double-needle synchronous machine structure has the following beneficial effects:

[0015] The automobile seat cover sewing double-needle synchronous machine structure is separated from the connecting piece by rotating the positioning screw, the adjusting block is moved along the outer side of the connecting piece, the fixing plate is synchronously moved, the sliding strip is slid along the inner side of the sliding groove, the position of the machine needle is adjusted, the distance between the two machine needles is adjusted, the machine needle is adjusted to the appropriate position, the positioning screw is tightened to cooperate with the current corresponding through hole, and the fixing is completed. Through the above setting, the distance between the double needles is adjusted, the sewing requirements of different distances are met, the convenience of use is improved, and the practicability is high. BRIEF DESCRIPTION OF DRAWINGS

[0016] Figure 1 It is a sectional view of the utility model structure;

[0017] Figure 2 It is an exploded view of the utility model structure;

[0018] Figure 3 It is the structure schematic view of the slide bar of the utility model;

[0019] Figure 4 It is the structure schematic view of the utility model Figure 1 The enlarged structure schematic view of A is shown.

[0020] In the figure: 1, needle holder; 2, needle bar; 3, machine needle; 4, adjusting block; 5, fixed plate; 6, slide bar; 7, sliding groove; 8, connecting piece; 9, socket; 10, mounting piece; 11, positioning screw; 12, threaded hole; 13, through hole. Specific implementation

[0021] The technical scheme 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, not 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 the utility model.

[0022] Please refer to Figures 1 to 4 The double-needle synchronous machine structure for sewing an automobile seat cover in the embodiment includes a needle holder 1 and a needle bar 2. The needle bar 2 is fixedly installed at the top of the needle holder 1. The needle holder 1 is provided with two machine needles 3 at the bottom.

[0023] In the embodiment, the outer side of each of the two machine needles 3 is provided with a mounting assembly. The mounting assembly includes an adjusting block 4, a fixed plate 5 and a connecting piece 8. The adjusting block 4 is arranged on the side wall of the needle holder 1. The fixed plate 5 is fixedly connected to the bottom side wall of the adjusting block 4. The combination of the adjusting block 4 and the fixed plate 5 has an L-shaped appearance. The fixed plate 5 is slidably connected to the bottom of the needle holder 1. The machine needle 3 is fixedly installed at the bottom of the fixed plate 5. The connecting piece 8 is fixedly connected to the side wall of the needle holder 1. The connecting piece 8 penetrates the inner side of the adjusting block 4. The outer wall of the adjusting block 4 is fixedly connected with a mounting piece 10. The mounting piece 10 and the connecting piece 8 are provided with a positioning screw 11.

[0024] The top of the fixed plate 5 is fixedly connected with a slide bar 6. The cross section of the slide bar 6 has a T shape. The number of the slide bars 6 on each fixed plate 5 is two. The bottom of the needle holder 1 is provided with a sliding groove 7 corresponding to the slide bar 6. The sliding groove 7 is a T-shaped sliding groove. The slide bar 6 is matched with the inner side of the sliding groove 7. The cooperation of the slide bar 6 and the sliding groove 7 can guide the fixed plate 5, so that the fixed plate 5 keeps a stable movement track, improves the stability of the structure and ensures that the two machine needles 3 can be aligned stably.

[0025] It should be noted that the inner side of the adjusting block 4 is provided with a socket 9, the connecting piece 8 is matched with the inner side of the socket 9, the mounting piece 10 is located at the lower side of the socket 9, the connecting piece 8 can be butt jointed with the adjusting block 4 through the socket 9, and under the guidance of the slide bar 6 and the slide groove 7, the adjusting block 4 keeps a stable moving track with the fixed plate 5, so that the quick butt joint of the adjusting block 4 and the connecting piece 8 is ensured, and the installation is facilitated.

[0026] It should be noted that the inner side of the mounting piece 10 is provided with a threaded hole 12, the positioning screw 11 is threadedly matched with the inner side of the threaded hole 12, meanwhile, a plurality of through holes 13 are equidistantly arranged on the connecting piece 8, the plurality of through holes 13 on the connecting piece 8 are matched with the positioning screw 11, when the connecting piece 8 is butt jointed with the adjusting block 4, one of the through holes 13 on the connecting piece 8 can correspond to the threaded hole 12, the positioning screw 11 can be matched with the current corresponding through hole 13 by being installed into the threaded hole 12, so that the fixing of the connecting piece 8 and the adjusting block 4 is realized, and then the position fixing of the needle 3 is realized, the plurality of through holes 13 are arranged, so that the positioning screw 11 can be connected with different positions of the connecting piece 8, and then the position of the needle 3 is adjusted.

[0027] The working principle of the above embodiment is as follows:

[0028] In use, the positioning screw 11 is separated from the connecting piece 8 by rotating, the adjusting block 4 is moved along the outer side of the connecting piece 8, the fixed plate 5 is synchronously moved, the slide bar 6 is synchronously moved along the inner side of the slide groove 7, the position of the needle 3 is adjusted, and then the distance between the two needles 3 is adjusted, after the needle 3 is adjusted to the appropriate position, the positioning screw 11 is tightened to be matched with the current corresponding through hole 13, and the fixing is completed.

[0029] The mounting mode, the connecting mode or the arrangement mode disclosed in the embodiment are common mechanical connecting modes, as long as the beneficial effects can be achieved. It should be noted that in this paper, the indicated orientation or position relationship is based on the orientation or position relationship shown in the drawings, which is only for the convenience of describing the application and simplifying the description, and does not indicate or imply that the indicated device or element must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation on the application.

[0030] It is to be understood that the terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting; it is not intended to exclude myriad other embodiments of the present application that other inventors can develop based on the same general inventive concepts embodied by the described embodiments. That is, although the present application is described in terms of particular embodiments and implementations, it is to be understood that the terminology used is for the purpose of descriptive clarity and that it is intended to be limited only by the words recited in the appended claims. The scope of the present application shall be limited only by the claims.

[0031] While the embodiments of the present application have been shown and described with respect to particular embodiments thereof, it will be understood by those skilled in the art that various changes in form and details can be made therein without departing from the spirit and scope of the application. Therefore, the scope of the application should not be limited by the embodiments, but should be defined only in accordance with the following claims and their equivalents.

Claims

1. A double-needle synchronous sewing machine structure for sewing car seat covers, comprising a needle holder (1) and a needle bar (2), wherein the bottom of the needle holder (1) is provided with two machine needles (3), the number of which is two, characterized in that: Mounting components are provided on the outer sides of both needles (3); The mounting assembly includes an adjusting block (4), a fixing plate (5), and a connecting piece (8). The adjusting block (4) is located on the side wall of the needle holder (1). The fixing plate (5) is fixedly connected to the bottom side wall of the adjusting block (4) and is slidably connected to the bottom of the needle holder (1). The needle (3) is fixedly installed on the bottom of the fixing plate (5). The connecting piece (8) is fixedly connected to the side wall of the needle holder (1) and extends through the inner side of the adjusting block (4). An mounting piece (10) is fixedly connected to the outer wall of the adjusting block (4). A positioning screw (11) is provided between the mounting piece (10) and the connecting piece (8). Multiple through holes (13) are equidistantly provided on the connecting piece (8).

2. The structure of a double-needle synchronous sewing machine for automobile seat cover according to claim 1, characterized in that: The top of the fixed plate (5) is fixedly connected with a slide bar (6), the cross-section of the slide bar (6) is T-shaped, and there are two slide bars (6) on each fixed plate (5).

3. The structure of a double-needle synchronous sewing machine for automobile seat cover according to claim 1, characterized in that: The bottom of the needle holder (1) is provided with a groove (7) corresponding to the slide bar (6). The groove (7) is a T-shaped groove, and the slide bar (6) is adapted to the inner side of the groove (7).

4. The structure of a double-needle synchronous sewing machine for automobile seat cover according to claim 1, characterized in that: The adjusting block (4) has an inlet (9) on its inner side, the connecting piece (8) is adapted to the inner side of the inlet (9), and the mounting piece (10) is located on the lower side of the inlet (9).

5. The structure of a double-needle synchronous sewing machine for automobile seat cover according to claim 1, characterized in that: The mounting plate (10) has a threaded hole (12) on its inner side, and the positioning screw (11) is threaded into the inner side of the threaded hole (12).

6. The structure of a double-needle synchronous sewing machine for automobile seat cover according to claim 1, characterized in that: The combination of the adjusting block (4) and the fixing plate (5) is L-shaped, and the needle bar (2) is fixedly installed on the top of the needle seat (1).

7. The structure of a double-needle synchronous sewing machine for automobile seat cover according to claim 1, characterized in that: The multiple through holes (13) on the connecting piece (8) are all adapted to the positioning screws (11).

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