CN213013339U

CN213013339U - Cloth feeding shaft sleeve of sewing machine

Info

Publication number: CN213013339U
Application number: CN202021773385.2U
Authority: CN
Inventors: 张友富; 胡志军; 阮建军
Original assignee: Taizhou Oufeng Machinery Co Ltd
Current assignee: Taizhou Oufeng Machinery Co Ltd
Priority date: 2020-08-21
Filing date: 2020-08-21
Publication date: 2021-04-20
Anticipated expiration: 2030-08-21

Abstract

The utility model relates to a sewing machine accessory technical field just discloses a sewing machine work feed axle sleeve. A cloth feeding shaft sleeve of a sewing machine comprises a wear-resistant layer, wherein a convex block is arranged on the surface of the wear-resistant layer, an intermediate metal layer is sleeved on the surface of the wear-resistant layer, a clamping groove is formed in the surface of an inner cavity of the intermediate metal layer, one end of the intermediate metal layer is fixedly connected with a limiting block, the utility model discloses a convex block is arranged on the surface of the wear-resistant layer, and a clamping groove corresponding to the convex block is arranged on the surface of the inner cavity of the intermediate metal layer, so that the wear-resistant layer and an intermediate layer are clamped, and the wear-resistant layer and the intermediate metal layer cannot rotate relatively through the clamping of the convex block; the middle metal layer is connected with the outer layer through threads, so that the shaft sleeve is convenient to disassemble and the wear-resistant layer is convenient to replace; the outer layer and the middle metal layer can be repeatedly utilized, so that the effects of environmental protection, energy conservation and emission reduction are achieved, and meanwhile, the production cost is reduced.

Description

Cloth feeding shaft sleeve of sewing machine

Technical Field

The utility model relates to a sewing machine accessory technical field specifically is a sewing machine work feed axle sleeve.

Background

A sewing machine is a machine that uses one or more sewing threads to form one or more stitches in a material to be sewn, thereby interweaving or stitching one or more layers of material. The sewing machine can sew fabrics such as cotton, hemp, silk, wool, artificial fiber and the like and products such as leather, plastic, paper and the like, and the sewed stitches are neat, beautiful, flat and firm, the sewing speed is high, and the use is simple and convenient; the cloth feeding mechanism of the sewing machine is an important component of the components of the sewing machine, and is a structure which is used frequently in the using process of the sewing machine, the shaft sleeve of the shaft of the cloth feeding machine is seriously abraded due to long-term high-speed use, the cloth feeding mechanism needs to be replaced regularly, the general shaft sleeve is provided with a metal layer and a wear-resistant layer, the abraded general wear-resistant layer is low in abrasion degree of the metal layer, the whole shaft sleeve needs to be replaced together when the cloth feeding mechanism is replaced, and great waste is caused to resources.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a sewing machine work feed axle sleeve reaches the removable purpose of wearing layer of sewing machine work feed axle sleeve.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a sewing machine work feed axle sleeve, includes the wearing layer, the surface of wearing layer is provided with the lug, the metal level in the middle of has been cup jointed on the surface of wearing layer, the inner chamber surface of middle metal level is provided with the draw-in groove, the one end and the stopper fixed connection of middle metal level, middle metal level cup joints in outer inside, the outer one end and the baffle fixed connection of keeping away from the stopper.

Preferably, the bumps are distributed on the surface of the wear-resistant layer in an annular array, and the length of the bumps is consistent with that of the wear-resistant layer.

Preferably, the position of the slot corresponds to the position of the bump, and the size of the slot is matched with the size of the bump.

Preferably, the middle metal layer and the outer layer are fixedly connected through threads.

Preferably, the limiting blocks are arranged in a circular ring shape, the inner diameters of the limiting blocks are matched with the inner diameter of the wear-resistant layer, and the outer diameters of the limiting blocks are consistent with the outer diameter of the wear-resistant layer.

Preferably, the baffle is in a circular plate shape, the inner diameter of the baffle is consistent with that of the wear-resistant layer, and the outer diameter of the baffle is consistent with that of the outer layer.

The utility model provides a sewing machine work feed axle sleeve. The method has the following beneficial effects:

the utility model discloses a set up the lug on the surface of wearing layer, set up the draw-in groove corresponding with the lug on the inner chamber surface of middle metal level simultaneously for wearing layer and intermediate level carry out the joint, and make wearing layer and middle metal level can not appear the condition of relative rotation through lug and draw-in groove joint, the stability of the axle sleeve of assurance; the middle metal layer is connected with the outer layer through threads, so that the shaft sleeve is convenient to disassemble and the wear-resistant layer is convenient to replace; the position of the outer layer is limited by the limiting block, so that the outer layer is prevented from excessively rotating, and meanwhile, the position of the wear-resistant layer is fixed by matching with the baffle plate, so that the wear-resistant layer is prevented from axially displacing; the outer layer and the middle metal layer can be repeatedly utilized, so that the effects of environmental protection, energy conservation and emission reduction are achieved, and meanwhile, the production cost is reduced.

Drawings

Fig. 1 is a schematic view of the front cross-sectional structure of the present invention;

FIG. 2 is a schematic view of the structure of the outer layer of the present invention connected to a baffle;

fig. 3 is a schematic side view of the cross-sectional structure of the present invention.

In the figure: 1 wear-resisting layer, 2 lugs, 3 middle metal layers, 4 clamping grooves, 5 limiting blocks, 6 outer layers and 7 baffle plates.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments.

Examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are exemplary and intended to be used for explaining the present invention, and should not be construed as limiting the present invention.

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential", and the like, indicate the orientation or positional relationship indicated based on the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.

In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "connected," and "fixed" are to be construed broadly and may, for example, be fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.

As shown in fig. 1-3, the utility model provides a technical solution: a cloth feeding shaft sleeve of a sewing machine comprises a wear-resistant layer 1, wherein the surface of the wear-resistant layer 1 is provided with convex blocks 2, the convex blocks 2 are distributed on the surface of the wear-resistant layer 1 in an annular array, the length of each convex block 2 is consistent with that of the wear-resistant layer 1, the surface of the wear-resistant layer 1 is sleeved with an intermediate metal layer 3, the surface of an inner cavity of the intermediate metal layer 3 is provided with a clamping groove 4, the position of each clamping groove 4 is arranged corresponding to the position of each convex block 2, the size of each clamping groove 4 is matched with that of each convex block 2, the convex blocks 2 are arranged on the surface of the wear-resistant layer 1, the clamping grooves 4 corresponding to the convex blocks 2 are arranged on the surface of the inner cavity of the intermediate metal layer 3, the wear-resistant layer 1 and the intermediate metal layer 3 are clamped, the wear-resistant layer 1 and the intermediate metal layer 3 cannot rotate relatively through the, the limiting block 5 is arranged in a circular ring shape, the inner diameter of the limiting block 5 is matched with the inner diameter of the wear-resistant layer 1, the outer diameter of the limiting block 5 is consistent with the outer diameter of the outer layer 6, the middle metal layer 3 is sleeved inside the outer layer 6, the middle metal layer 3 is fixedly connected with the outer layer 6 through threads, and the middle metal layer 3 is connected with the outer layer 6 through threads, so that the shaft sleeve is convenient to disassemble and the wear-resistant layer 1 is convenient to replace; one end, far away from the limiting block 5, of the outer layer 6 is fixedly connected with a baffle 7, the baffle 7 is arranged in a circular plate shape, the inner diameter of the baffle 7 is consistent with the inner diameter of the wear-resistant layer 1, the outer diameter of the baffle 7 is consistent with the inner diameter of the outer layer 6, the position of the outer layer 6 is limited through the limiting block 5, the outer layer 6 is ensured not to rotate excessively, and meanwhile, the baffle 7 is matched to fix the position of the wear-resistant layer 1, so that the wear-resistant layer 1 is ensured not to have axial displacement; the outer layer 6 and the middle metal layer 3 can be repeatedly utilized, so that the effects of environmental protection, energy conservation and emission reduction are achieved, and meanwhile, the production cost is reduced.

The working principle is as follows: the wear-resistant layer 1 is matched with the middle metal layer 3 through the convex block 2 and the clamping groove 4 to be clamped, the wear-resistant layer 1 and the middle metal layer 3 are clamped through the convex block 2 and the clamping groove 4, the mounting stability of the wear-resistant layer 1 is guaranteed, and the wear-resistant layer 1 and the middle metal layer 3 are prevented from generating relative displacement in the using process; the middle metal layer 3 and the outer layer 6 are connected through threads, so that the shaft sleeve is more convenient to assemble and disassemble, and the wear-resistant layer 1 can be replaced and installed more quickly; restrict outer 6 position through stopper 5, ensure that outer 6 can not excessively rotate, cooperate baffle 7 to fix wearing layer 1's position simultaneously, ensure that axial displacement can not appear in wearing layer 1.

In conclusion, the wear-resistant sleeve 1 is clamped with the middle metal layer 3 through the matching of the convex block 2 and the clamping groove 4, the middle metal layer 3 is connected with the outer layer 6 through threads, the wear-resistant layer 1 can be replaced, the middle metal layer 3 and the outer layer 6 can be repeatedly utilized, the effects of environmental protection, energy conservation and emission reduction are achieved, and meanwhile the production cost is reduced.

The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims

1. The utility model provides a sewing machine work feed axle sleeve, includes wearing layer (1), its characterized in that: the surface of wearing layer (1) is provided with lug (2), middle metal level (3) have been cup jointed on the surface of wearing layer (1), the inner chamber surface of middle metal level (3) is provided with draw-in groove (4), the one end and stopper (5) fixed connection of middle metal level (3), middle metal level (3) cup joint in the inside of outer (6), the one end and baffle (7) fixed connection of stopper (5) are kept away from in outer (6).

2. A sewing machine feed sleeve as claimed in claim 1, wherein: the lugs (2) are distributed on the surface of the wear-resistant layer (1) in an annular array, and the length of the lugs (2) is consistent with that of the wear-resistant layer (1).

3. A sewing machine feed sleeve as claimed in claim 1, wherein: the position of the clamping groove (4) is arranged corresponding to the position of the lug (2), and the size of the clamping groove (4) is matched with that of the lug (2).

4. A sewing machine feed sleeve as claimed in claim 1, wherein: the middle metal layer (3) and the outer layer (6) are fixedly connected through threads.

5. A sewing machine feed sleeve as claimed in claim 1, wherein: the limiting block (5) is arranged in a circular ring shape, the inner diameter of the limiting block (5) is matched with the inner diameter of the wear-resistant layer (1), and the outer diameter of the limiting block (5) is consistent with that of the outer layer (6).

6. A sewing machine feed sleeve as claimed in claim 1, wherein: the baffle (7) is in a circular plate shape, the inner diameter of the baffle (7) is consistent with that of the wear-resistant layer (1), and the outer diameter of the baffle (7) is consistent with that of the outer layer (6).