Device on backstitch wrench of sewing machine

Abstract

The device comprises a main body and a sealing cover, a containing cavity is formed in the main body, a clamping groove is formed in the top of the containing cavity, the sealing cover is arranged at the top of the containing cavity, a connecting piece is arranged on the sealing cover, the sealing cover is fixedly connected with the clamping groove through the connecting piece, the main body is further provided with containing holes which are symmetrically formed, and the containing holes are communicated with the clamping groove. One side of the main body is provided with a connecting rod and is connected with a backstitch wrench of a sewing machine through the connecting rod. The containing hole is formed in the main body so that columnar objects can be conveniently contained, the containing cavity is formed so that small-size objects can be conveniently stored, the containing cavity is sealed through the sealing cover so that loss can be avoided, the rectangular block-shaped structure is adopted as the handheld part, the force exerting area is increased, the use comfort is improved, and the practicability is high. And meanwhile, the overall functionality is improved.

Description

Technical Field

[0001] The invention belongs to the technical field of sewing machine accessories, and in particular relates to a backstitching plate hand device for a sewing machine. Background Art

[0002] The reverse stitch handle mechanism of a traditional sewing machine includes a screw, a flat washer, a reverse stitch handle connecting rod, a hexagonal nut, a screw, a set screw, a fixed ring, an O-ring, a reverse stitch handle seat, a screw, a reverse stitch handle shaft, a momentary switch assembly, a screw, an electronic control assembly, a set screw, a spring, a set screw, a screw, a hexagonal nut, a switch pressure plate, a limit column, a screw, a fixing pin, a handle upper cover, a flat washer, a hexagonal nut, a steel ball, a spring, a handle lower assembly, a set screw, and a retaining ring; the mechanism controls the forward or reverse stitching action of the roller machine by rotating the reverse stitch handle connecting rod around the handle shaft at an angle, so that the switch pressure plate moves away from or contacts the switch on the momentary switch assembly, and transmits the disconnection or connection signal to the electronic control assembly, but the traditional reverse stitch wrench hand-held rod usually adopts an L-shaped rod structure, which can only play a pulling effect and has poor functionality. Summary of the invention

[0003] The invention aims to provide a sewing machine reverse-sewing wrench hand device to solve the technical problem that the hand-held rod of a conventional reverse-sewing wrench has a single functionality.

[0004] In order to solve the above technical problems, the specific technical solutions of the present invention are as follows:

[0005] In some embodiments of the present application, a device for a reverse stitch wrench on a sewing machine is provided, comprising: a main body and a cover, wherein the main body is provided with a accommodating cavity and a locking groove at the top of the accommodating cavity, the cover is arranged at the top of the accommodating cavity, a connecting piece is provided on the cover, and the cover is fixedly connected to the locking groove through the connecting piece, the main body is also provided with symmetrically arranged accommodating holes, a connecting rod is provided on one side of the main body, and the cover is connected to the reverse stitch wrench of the sewing machine through the connecting rod.

[0006] In some embodiments of the present application, the cover is made of a transparent material.

[0007] In some embodiments of the present application, the accommodating cavity is divided into two parts: an accommodating groove and a fixing groove, wherein the fixing groove is arranged at the top of the accommodating groove, and the fixing groove is connected to the sealing cover.

[0008] In some embodiments of the present application, the area of ​​the accommodating cavity is smaller than the area of ​​the fixing groove.

[0009] Compared with the prior art, the beneficial effects of the present invention are that a receiving hole is provided on the main body, so that tube-containing objects such as screwdrivers can be inserted, and a receiving cavity is provided to facilitate the storage of small-volume items, and the receiving cavity is closed by a cover to avoid loss, and a rectangular block structure is used as the hand-held part to increase the force area, which not only improves the comfort of use, but also improves the overall functionality. BRIEF DESCRIPTION OF THE DRAWINGS

[0010] Various other advantages and benefits will become apparent to those of ordinary skill in the art by reading the detailed description of the preferred embodiments below. The accompanying drawings are only for the purpose of illustrating the preferred embodiments and are not to be considered as limiting the present invention. Moreover, the same reference symbols are used throughout the accompanying drawings to represent the same components. In the accompanying drawings:

[0011] Figure 1 A schematic diagram of the overall structure provided by an embodiment of the present invention;

[0012] Figure 2 A schematic diagram of the internal structure of the main body provided in an embodiment of the present invention. DETAILED DESCRIPTION

[0013] The specific implementation of the present invention is further described in detail below in conjunction with the accompanying drawings and examples. The following examples are used to illustrate the present invention, but are not intended to limit the scope of the present invention.

[0014] In order to better understand the purpose, structure and function of the present invention, the present invention is further described in detail below in conjunction with the accompanying drawings.

[0015] See attached Figure 1-2 As shown, according to some embodiments of the present application, it includes: a main body 1 is a block structure, and a cover 2 is a plate structure, wherein a accommodating cavity 101 is provided on the main body 1, and a positioning groove 102 is provided at the top of the accommodating cavity 101, the cover 2 is arranged at the top of the accommodating cavity 101, a connecting piece is provided on it, and it is fixedly connected to the positioning groove 102 through the connecting piece, and the main body 1 is also provided with symmetrically arranged accommodation holes 103, a connecting rod 3 is provided on one side of the main body 1, and it is connected to the sewing machine backstitch wrench through the connecting rod 3.

[0016] In other words, the cover 2 is fixedly connected to the main body 1 by snapping, thereby closing the accommodating cavity 101 .

[0017] In some embodiments of the present application, the cover 2 is made of a transparent material, and the material of the main body 1 is selected according to actual conditions.

[0018] In some embodiments of the present application, the accommodating cavity 101 is divided into two parts, namely a accommodating groove 1011 and a fixing groove 1012, wherein the fixing groove 1012 is arranged at the top of the accommodating groove 1011, and the fixing groove 1012 is connected to the cover 2, and adopts a stepped cavity structure, which not only effectively increases the accommodating space, but also facilitates the improvement of the sealing effect of the cover 2 on the accommodating cavity 101.

[0019] In some embodiments of the present application, the area of ​​the accommodating cavity 101 is smaller than the area of ​​the fixing groove 1012 , so that the cover 2 can better seal the accommodating cavity 101 .

[0020] When in use, the connecting rod 3 on the main body 1 is connected to the reverse stitching mechanism of the sewing machine for eating. The main body 1 is provided with a receiving hole 103 to facilitate the accommodation of columnar objects, and the receiving cavity 101 is provided to facilitate the storage of small-volume objects, and the receiving cavity 101 is closed by the cover 2 to avoid loss. The rectangular block structure is used as the hand-held part to increase the force area, which not only improves the comfort of use, but also improves the overall functionality.

[0021] In the description of the present application, it should be understood that the terms "center", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside", etc., indicating orientations or positional relationships, are based on the orientations or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present application and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be understood as a limitation on the present application.

[0022] The terms "first" and "second" are used for descriptive purposes only and should not be understood as indicating or implying relative importance or implicitly indicating the number of the indicated technical features. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of the features. In the description of this application, unless otherwise specified, "plurality" means two or more.

[0023] In the description of this application, it should be noted that, unless otherwise clearly specified and limited, the terms "installed", "connected", and "connected" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection, or it can be indirectly connected through an intermediate medium, or it can be the internal communication of two components. For ordinary technicians in this field, the specific meanings of the above terms in this application can be understood according to specific circumstances.

[0024] In this specification, each embodiment is described in a progressive manner, and each embodiment focuses on the differences from other embodiments. The same or similar parts between the embodiments can be referred to each other. For the device disclosed in the embodiment, since it corresponds to the method disclosed in the embodiment, the description is relatively simple, and the relevant parts can be referred to the method part.

[0025] The above description of the disclosed embodiments enables one skilled in the art to implement or use the present invention. Various modifications to these embodiments will be apparent to one skilled in the art, and the general principles defined herein may be implemented in other embodiments without departing from the spirit or scope of the present invention. Therefore, the present invention will not be limited to the embodiments shown herein, but rather to the widest scope consistent with the principles and novel features disclosed herein.

Claims

1. A sewing machine backstitch plate upper device, characterized in that: include: A main body and a cover, wherein the main body is provided with a accommodating cavity and a positioning groove at the top of the accommodating cavity, the cover is arranged at the top of the accommodating cavity, a connecting piece is provided on it, and it is fixedly connected to the positioning groove through the connecting piece, and the main body is also provided with symmetrically arranged accommodating holes, a connecting rod is provided on one side of the main body, and is connected to the sewing machine backstitch wrench through the connecting rod.

2. A sewing machine backstitch plate upper device according to claim 1, characterized in that: The sealing cover is made of transparent material.

3. The device for sewing machine backstitching plate according to claim 1, characterized in that: The accommodating cavity is divided into two parts: an accommodating groove and a fixing groove, wherein the fixing groove is arranged at the top of the accommodating groove, and the fixing groove is connected to the sealing cover.

4. The device for sewing machine backstitching plate according to claim 1, characterized in that: The area of ​​the accommodating cavity is smaller than the area of ​​the fixing groove.

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