CN213086300U

CN213086300U - Sewing machine's gauge needle adjusts crank

Info

Publication number: CN213086300U
Application number: CN202020823632.9U
Authority: CN
Inventors: 季建峰; 孙和喜
Original assignee: Wujiang Hexi Machinery Co ltd
Current assignee: Wujiang Hexi Machinery Co ltd
Priority date: 2020-05-18
Filing date: 2020-05-18
Publication date: 2021-04-30
Anticipated expiration: 2030-05-18

Abstract

The utility model discloses a sewing machine's gauge needle adjustment crank, including the crank body, the crank body includes base member layer, anticorrosive coating and wearing layer, the anticorrosive coating includes organic anticorrosive coating of nanometer titanium and epoxy coal pitch anticorrosive coating, the wearing layer includes high performance ceramic coating and aramid fiber layer. The utility model discloses an effect of wearing layer, under the cooperation on high performance ceramic coating and aramid fiber layer, make this adjustment crank possess double-deck wear-resisting effect, thereby reach the purpose that wear-resisting effect is good, effect through the anticorrosive coating, under the cooperation of nanometer titanium organic anticorrosive coating and epoxy coal pitch anticorrosive coating, make this adjustment crank possess double-deck anticorrosive effect, thereby reached the purpose that anticorrosive effect is good, through above structure complex effect, it has the wear resistance poor to have solved current gauge needle adjustment crank, and corrosion-resistant effect is unsatisfactory, the problem of its life has been reduced.

Description

Sewing machine's gauge needle adjusts crank

Technical Field

The utility model relates to a sewing machine technical field specifically is a sewing machine's gauge needle adjustment crank.

Background

The sewing machine is a machine which uses one or more sewing threads to form one or more stitches on a sewing material to enable one or more layers of sewing materials to be interwoven or sewn, the sewing machine can sew fabrics such as cotton, hemp, silk, wool, artificial fiber and the like, and products such as leather, plastics, paper and the like, the sewn stitches are neat, beautiful, flat and firm, the sewing speed is high, the use is simple and convenient, and a needle pitch adjusting crank is required in the using process of the sewing machine.

The applicant finds that at least the following technical problems exist in the prior art: the existing needle pitch adjusting crank is poor in wear resistance and corrosion resistance, service life of the existing needle pitch adjusting crank is shortened, and therefore the needle pitch adjusting crank of the sewing machine is provided.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a sewing machine's gauge needle adjustment crank to solve the problem that proposes among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a sewing machine's gauge needle adjusts crank, includes the crank body, the crank body includes base member layer, anticorrosive coating and wearing layer, the anticorrosive coating includes organic anticorrosive coating of nanometer titanium and epoxy coal pitch anticorrosive coating, the wearing layer includes high performance ceramic coating and aramid fiber layer.

Preferably, the inner surface of the crank body is provided with a plurality of through holes.

Preferably, the base layer comprises manganese steel, and the thickness of the base layer is between seven times and nine times the thickness of the crank body.

Preferably, the inner side of the epoxy coal tar pitch anticorrosive coating is coated on the outer side of the substrate layer, and the inner side of the nano titanium organic anticorrosive coating is coated on the outer side of the epoxy coal tar pitch anticorrosive coating.

Preferably, the inner side of the aramid fiber layer is bonded to the outer side of the anticorrosive layer through polyurethane glue, and the inner side of the high-performance ceramic coating is coated on the outer side of the aramid fiber layer.

Compared with the prior art, the beneficial effects of the utility model are as follows:

the utility model discloses an effect of wearing layer, under the cooperation on high performance ceramic coating and aramid fiber layer, make this adjustment crank possess double-deck wear-resisting effect, thereby reach the purpose that wear-resisting effect is good, effect through the anticorrosive coating, under the cooperation of nanometer titanium organic anticorrosive coating and epoxy coal pitch anticorrosive coating, make this adjustment crank possess double-deck anticorrosive effect, thereby reached the purpose that anticorrosive effect is good, through above structure complex effect, it has the wear resistance poor to have solved current gauge needle adjustment crank, and corrosion-resistant effect is unsatisfactory, the problem of its life has been reduced.

Drawings

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is a schematic view of the structure of the coating layer of the present invention;

FIG. 3 is a schematic view of the structure of the anticorrosive coating of the present invention;

fig. 4 is a schematic view of the structure of the wear-resistant layer of the present invention.

In the figure: 1. a crank body; 11. a substrate layer; 12. an anticorrosive layer; 121. nano titanium organic anticorrosive coating; 122. epoxy coal tar pitch anticorrosive coatings; 13. a wear layer; 131. a high performance ceramic coating; 132. an aramid fiber layer; 2. and a through hole.

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. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

In the description of the application, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "disposed," "connected," and the like are to be construed broadly, such as "connected," which may be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present application can be understood in a specific case by those of ordinary skill in the art.

The utility model discloses a crank body 1, base member layer 11, anticorrosive coating 12, the organic anticorrosive coating 121 of nanometer titanium, epoxy coal pitch anticorrosive coating 122, wearing layer 13, high performance ceramic coating 131,

aramid fiber layer

132 and 2 parts of through-hole are the parts that general standard or technical staff in the field know, and its structure and principle all are this technical staff's accessible technical manual learn or learn through conventional experimental method.

Referring to fig. 1-4, a needle pitch adjusting crank of a sewing machine comprises a crank body 1, a plurality of through holes 2 are formed in the inner surface of the crank body 1, the crank body 1 comprises a base layer 11, an anti-corrosion layer 12 and a wear-resistant layer 13, the base layer 11 comprises manganese steel, the thickness of the base layer 11 is seven times to nine times of the thickness of the crank body 1, the anti-corrosion layer 12 comprises a nano titanium organic anti-corrosion coating 121 and an epoxy coal tar pitch anti-corrosion coating 122, the inner side of the epoxy coal tar pitch anti-corrosion coating 122 is coated on the outer side of the base layer 11, the inner side of the nano titanium organic anti-corrosion coating 121 is coated on the outer side of the epoxy coal tar pitch anti-corrosion coating 122, and under the cooperation of the nano titanium organic anti-corrosion coating 121 and the epoxy coal tar pitch anti-corrosion coating 122, the adjusting crank has a double-corrosion effect by the action of the anti-corrosion coating 12, thereby achieving the purpose of good anti-corrosion effect, wearing layer 13 includes high performance ceramic coating 131 and aramid fiber layer 132, the inboard of aramid fiber layer 132 bonds in the outside of anticorrosive coating 12 through the polyurethane glue, the outside of aramid fiber layer 132 is located in coating of high performance ceramic coating 131's inboard, through wearing layer 13's effect, under high performance ceramic coating 131 and aramid fiber layer 132's cooperation, make this regulation crank possess double-deck wear-resisting effect, thereby reach the purpose that wear-resisting effect is good.

During the use, effect through wearing layer 13, under the cooperation of high performance ceramic coating 131 and aramid fiber layer 132, make this adjusting crank possess double-deck wear-resisting effect, thereby reach the good purpose of wear-resisting effect, effect through anticorrosive coating 12, under the cooperation of nanometer titanium organic anticorrosive coating 121 and epoxy coal pitch anticorrosive coating 122, make this adjusting crank possess double-deck anticorrosive effect, thereby reached the good purpose of anticorrosive effect, through above structure complex effect, it has the wear resistance poor to have solved current gauge needle adjusting crank, and corrosion-resistant effect is unsatisfactory, the problem of its life has been reduced.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a sewing machine's gauge needle adjusts crank, includes crank body (1), its characterized in that: the crank body (1) comprises a base body layer (11), an anticorrosive layer (12) and a wear-resistant layer (13), wherein the anticorrosive layer (12) comprises a nano titanium organic anticorrosive coating (121) and an epoxy coal tar pitch anticorrosive coating (122), and the wear-resistant layer (13) comprises a high-performance ceramic coating (131) and an aramid fiber layer (132).

2. The needle pitch adjusting crank of a sewing machine according to claim 1, characterized in that: through-hole (2) have been seted up to the internal surface of crank body (1), and the quantity of through-hole (2) is a plurality of.

3. The needle pitch adjusting crank of a sewing machine according to claim 1, characterized in that: the base layer (11) comprises manganese steel, and the thickness of the base layer (11) is seven times to nine times of the thickness of the crank body (1).

4. The needle pitch adjusting crank of a sewing machine according to claim 1, characterized in that: the inner side of the epoxy coal tar pitch anticorrosive coating (122) is coated on the outer side of the substrate layer (11), and the inner side of the nano titanium organic anticorrosive coating (121) is coated on the outer side of the epoxy coal tar pitch anticorrosive coating (122).

5. The needle pitch adjusting crank of a sewing machine according to claim 1, characterized in that: the inner side of the aramid fiber layer (132) is bonded to the outer side of the anti-corrosion layer (12) through polyurethane glue, and the inner side of the high-performance ceramic coating (131) is coated on the outer side of the aramid fiber layer (132).