CN218175314U

CN218175314U - Mechanism capable of adjusting stroke of needle bar of sewing machine

Info

Publication number: CN218175314U
Application number: CN202222645748.XU
Authority: CN
Inventors: 甘李海; 朱翰生; 甘立文
Original assignee: Anhui Jiatuo Tourism Products Co ltd
Current assignee: Anhui Jiatuo Tourism Products Co ltd
Priority date: 2022-10-09
Filing date: 2022-10-09
Publication date: 2022-12-30
Anticipated expiration: 2032-10-09

Abstract

The utility model belongs to the technical field of the sewing machine needle bar, especially, be a mechanism of adjustable sewing machine needle bar stroke, including the sewing machine shell, the inboard block of sewing machine shell is equipped with actuating mechanism, actuating mechanism's one end block is equipped with the needle bar, actuating mechanism includes the axostylus axostyle, the one end fixed connection of axostylus axostyle is on external drive equipment, the fixed carousel that is equipped with of the other end of axostylus axostyle, the block is equipped with drive assembly on the carousel, drive assembly's one end block is on the needle bar. The utility model discloses when the stroke of needle bar needs to be changed, the accessible operation mouth is taken the rectangular bar out from a rectangular hole, no. two rectangular holes, take out the back and unscrew clamping screw, adjust the position of No. two transfer lines in a transfer line, until adjust to the length back that needs, screw up clamping screw again, and with the rectangular bar insert No. two rectangular holes again with the corresponding rectangular hole in can, need not to dismantle whole drive assembly and can change the needle bar stroke, improve operating efficiency.

Description

Mechanism capable of adjusting stroke of needle bar of sewing machine

Technical Field

The utility model relates to a sewing machine needle bar technical field, concretely relates to mechanism of adjustable sewing machine needle bar stroke.

Background

The path of the needle bar of the sewing machine moving up and down in the using process is called the stroke, the stroke of the needle bar is determined by a crank adjuster connected to a driving shaft, different crank adjusters correspond to different needle bar strokes, generally, when the needle bar stroke is adjusted according to different processing requirements during the operation of the sewing machine, the crank adjusters need to be disassembled and replaced, but the operation is more troublesome, the working efficiency is reduced, and therefore, a mechanism capable of conveniently adjusting the stroke of the needle bar of the sewing machine is needed.

SUMMERY OF THE UTILITY MODEL

In order to solve the problems in the prior art, the utility model provides a mechanism capable of adjusting the stroke of a needle bar of a sewing machine, which is characterized by convenient adjustment and easy disassembly.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a mechanism of adjustable sewing machine needle bar stroke, includes the sewing machine casing, the inboard block of sewing machine casing is equipped with actuating mechanism, actuating mechanism's one end block is equipped with the needle bar, actuating mechanism includes the axostylus axostyle, the one end fixed connection of axostylus axostyle is on external drive equipment, the fixed carousel that is equipped with in the other end of axostylus axostyle, the block is equipped with transmission assembly on the carousel, transmission assembly's one end block is on the needle bar, transmission assembly includes a transfer line and No. two transfer lines, the lower extreme block of a transfer line is on the needle bar, the inboard block in upper end of a transfer line is equipped with No. two transfer lines, the upper end block of No. two transfer lines is equipped with the rectangle pole, the one end block of rectangle pole is on the carousel.

As the utility model discloses a preferred technical scheme of mechanism of adjustable sewing machine needle bar stroke, the operation mouth has been seted up on one side lateral wall of sewing machine casing, the operation mouth is located one side of actuating mechanism, the fixed needle file that is equipped with in inboard bottom surface of sewing machine casing, the needle bar block is in the inboard of needle file.

As the utility model discloses a preferred technical scheme of mechanism of adjustable sewing machine needle bar stroke, the spread groove has been seted up on the lateral wall of carousel, the rotation groove has been seted up to the inboard of spread groove, the inboard block that rotates the groove is equipped with the swivel becket, the rectangular hole has been seted up on the swivel becket, the one end block of rectangular rod is in the inboard of rectangular hole.

As the utility model discloses a preferred technical scheme of mechanism of adjustable sewing machine needle bar stroke, the shifting chute has been seted up to the upper end of transfer line, threaded connection is equipped with clamping screw on the lateral wall of shifting chute, the lower extreme block of No. two transfer lines is in the inboard of shifting chute, the gag lever post has been seted up on the lower extreme outer wall of a transfer line, the gag lever post block is on the needle bar.

As the utility model discloses a preferred technical scheme of mechanism of adjustable sewing machine needle bar stroke, no. two rectangular holes have been seted up to the upper end of No. two transfer lines, the rectangle pole block is in the inboard of No. two rectangular holes, the fixed limiting plate that is equipped with of lower extreme of No. two transfer lines, the limiting plate block is in the inboard of shifting chute.

As the utility model discloses a preferred technical scheme of mechanism of adjustable sewing machine needle bar stroke, spacing hole has been seted up to the upper end of needle bar, the gag lever post block is in the inboard in spacing hole.

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

the utility model discloses when installation sewing machine's needle bar, through seting up the operation mouth on sewing machine shell, can be with the needle bar block in the needle file after opening the operation mouth, pass through the gag lever post block with the one end of a transfer line on the needle bar, the inboard block in upper end of a transfer line is equipped with No. two transfer lines, the needle bar stroke as required stimulates No. two transfer lines in a transfer line, thereby adjust the length of No. two transfer lines, fix the position of No. two transfer lines in a transfer line through screwing up clamping screw after the adjustment, align the upper end of No. two transfer lines with the spread groove on actuating mechanism's the carousel afterwards, pass No. two rectangular holes with the rectangular rod afterwards, no. one rectangular hole, thereby make to be connected the block through the upper end of rectangular rod with the swivel becket on the carousel of No. two transfer lines through screwing up, thereby when making external drive equipment drive the axostylus axostyle rotation, can drive the needle bar through drive assembly and reciprocate and carry out sewing work, when the stroke that needs to change the rectangular rod, accessible operation mouth is with the rectangular rod from No. one rectangular hole from No. one, adjust No. two transfer lines in the position of adjusting screw up to the rectangular rod, the length of a transfer line can be convenient change again, and the operation pole again, and the length of the rectangular rod can be improved the whole rectangular rod again, just need not change in the rectangular hole.

Drawings

The accompanying drawings are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention, and together with the description serve to explain the invention and not to limit the invention. In the drawings:

fig. 1 is a schematic view of the overall structure of the present invention;

fig. 2 is a partial cross-sectional view of the present invention;

FIG. 3 is an enlarged schematic view at A in FIG. 2;

FIG. 4 is an enlarged schematic view at B of FIG. 2;

fig. 5 is an enlarged schematic view at C in fig. 2.

In the figure: 1. a sewing machine shell; 11. an operation port; 12. a needle seat; 2. a drive mechanism; 21. a shaft lever; 22. a turntable; 221. connecting grooves; 222. a rotating groove; 223. a rotating ring; 224. a first rectangular hole; 23. a transmission assembly; 231. a first transmission rod; 2311. a moving groove; 2312. a clamping screw; 2313. a limiting rod; 232. a second transmission rod; 2321. a second rectangular hole; 2322. a limiting plate; 233. a rectangular bar; 3. a needle bar; 31. and a limiting 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.

Examples

Referring to fig. 1-5, the utility model provides the following technical scheme: the utility model provides a mechanism of adjustable sewing machine needle bar stroke, including sewing machine shell 1, the inboard block of sewing machine shell 1 is equipped with actuating mechanism 2, actuating mechanism 2's one end block is equipped with needle bar 3, actuating mechanism 2 includes axostylus axostyle 21, the one end fixed connection of axostylus axostyle 21 is on external drive equipment, the fixed carousel 22 that is equipped with of the other end of axostylus axostyle 21, the block is equipped with drive assembly 23 on the carousel 22, the one end block of drive assembly 23 is on needle bar 3, drive assembly 23 includes transfer line 231 and No. two transfer lines 232, the lower extreme block of a transfer line 231 is on needle bar 3, the inboard block in upper end of a transfer line 231 is equipped with No. two transfer lines 232, the upper end block of No. two transfer lines 232 is equipped with rectangle pole 233, the one end block of rectangle pole 233 is on carousel 22.

In the embodiment of the present scheme, referring to fig. 3, 4 and 5, specifically, an operation opening 11 is formed on a side wall of one side of the sewing machine case 1, the operation opening 11 is located on one side of the driving mechanism 2, a needle seat 12 is fixedly arranged on the bottom surface of the inner side of the sewing machine case 1, and the needle rod 3 is clamped on the inner side of the needle seat 12; a connecting groove 221 is formed in the side wall of the rotary table 22, a rotating groove 222 is formed in the inner side of the connecting groove 221, a rotating ring 223 is clamped in the inner side of the rotating groove 222, a first rectangular hole 224 is formed in the rotating ring 223, and one end of a rectangular rod 233 is clamped in the inner side of the first rectangular hole 224; the upper end of the first transmission rod 231 is provided with a moving groove 2311, the side wall of the moving groove 2311 is provided with a clamping screw 2312 in a threaded connection mode, the lower end of the second transmission rod 232 is clamped on the inner side of the moving groove 2311, the outer wall of the lower end of the first transmission rod 231 is provided with a limiting rod 2313, and the limiting rod 2313 is clamped on the needle rod 3; a second rectangular hole 2321 is formed in the upper end of the second transmission rod 232, the rectangular rod 233 is clamped inside the second rectangular hole 2321, a limiting plate 2322 is fixedly arranged at the lower end of the second transmission rod 232, and the limiting plate 2322 is clamped inside the moving groove 2311; the upper end of the needle bar 3 is provided with a limit hole 31, and the limit rod 2313 is clamped at the inner side of the limit hole 31.

In this embodiment, when the stroke of the needle bar 3 needs to be changed, the rectangular rod 233 can be pulled out from the first rectangular hole 224 and the second rectangular hole 2321 through the operation port 11, the clamping screw 2312 is loosened after the rectangular rod 233 is pulled out, the position of the second transmission rod 232 in the first transmission rod 231 is adjusted until the required length is reached, the clamping screw 2312 is screwed again, and the rectangular rod 233 is inserted into the second rectangular hole 2321 and the corresponding first rectangular hole 224 again, so that the operation is convenient, the stroke of the needle bar 3 can be changed without disassembling the whole transmission assembly 23, and the operation efficiency is improved.

The utility model discloses an use flow and theory of operation: the utility model discloses when installing sewing machine's needle bar 3, through seting up operation mouth 11 on sewing machine shell 1, can be with needle bar 3 block in needle file 12 after opening operation mouth 11, pass through gag lever post 2313 block on needle bar 3 with the one end of a transfer line 231, the inboard block in upper end of a transfer line 231 is equipped with No. two transfer lines 232, the transfer line 232 of No. two is the pulling in a transfer line 231 according to the 3 stroke of needle bar that needs, thereby adjust the length of No. two transfer lines 232, fix No. two transfer lines 232 position in a transfer line 231 through screwing up clamping screw 2312 after the adjustment, align No. two transfer lines 232's upper end with the spread groove 221 on actuating mechanism 2's carousel 22 afterwards, pass No. two rectangular hole 2321 with rectangular rod 233 afterwards, no. one rectangular hole 224, thereby make the upper end of No. two transfer lines 232 with the rotating ring 223 on carousel 22 through rectangular rod 233 connect the transfer line, thereby when making external drive equipment drive needle bar 21 rotate, can drive the work of sewing through transmission subassembly 23, when the adjustment needs to change the adjustment needle bar 2313, the operation handle the change the length of No. two transfer lines 232 and can be taken out again from the rectangular hole 2312, the corresponding rectangular bar 2313 that need be screwed up and the operating handle bar 2312, the change the length of a transfer line that the rectangular rod that the operating handle bar 2312 is once again, the rectangular rod that needs again, and the operating handle bar 2312 is convenient, the change, the operating handle bar that the operating handle bar 2313 that need not, the length change, the rectangular rod that the length of No. two is once, the rectangular rod that the rectangular rod 2312 that need be screwed up and the rectangular rod that the length change, the operating bar that the rectangular hole 2312 is once again, the length need be screwed up and the rectangular hole 2312 is not, the whole change, the handle bar that need be screwed up and the change, the handle bar that need be tight again, the change, the handle bar that the length change, the rectangular rod that the handle bar that need be convenient.

The embodiment of this specific implementation mode is the preferred embodiment of the present invention, not limit according to this the utility model discloses a protection scope, so: all equivalent changes made according to the structure, shape and principle of the utility model are covered within the protection scope of the utility model.

Claims

1. The utility model provides a mechanism of adjustable sewing machine needle bar stroke, includes sewing machine shell (1), its characterized in that: the sewing machine is characterized in that a driving mechanism (2) is clamped on the inner side of the sewing machine shell (1), a needle rod (3) is clamped at one end of the driving mechanism (2), the driving mechanism (2) comprises a shaft rod (21), one end of the shaft rod (21) is fixedly connected onto external driving equipment, a turntable (22) is fixedly arranged at the other end of the shaft rod (21), a transmission assembly (23) is clamped on the turntable (22), one end of the transmission assembly (23) is clamped on the needle rod (3), the transmission assembly (23) comprises a first transmission rod (231) and a second transmission rod (232), the lower end of the first transmission rod (231) is clamped on the needle rod (3), the inner side of the upper end of the first transmission rod (231) is clamped with the second transmission rod (232), the upper end of the second transmission rod (232) is clamped with a rectangular rod (233), and one end of the rectangular rod (233) is clamped on the turntable (22).

2. The mechanism for adjusting the stroke of the needle bar of the sewing machine according to claim 1, characterized in that: the sewing machine is characterized in that an operation opening (11) is formed in the side wall of one side of the sewing machine shell (1), the operation opening (11) is located on one side of the driving mechanism (2), a needle seat (12) is fixedly arranged on the bottom surface of the inner side of the sewing machine shell (1), and the needle rod (3) is clamped on the inner side of the needle seat (12).

3. The mechanism for adjusting the stroke of the needle bar of the sewing machine as claimed in claim 2, wherein: the side wall of the rotary disc (22) is provided with a connecting groove (221), the inner side of the connecting groove (221) is provided with a rotating groove (222), the inner side of the rotating groove (222) is clamped with a rotating ring (223), the rotating ring (223) is provided with a rectangular hole (224), and one end of the rectangular rod (233) is clamped on the inner side of the rectangular hole (224).

4. The mechanism for adjusting the stroke of the needle bar of the sewing machine as claimed in claim 3, wherein: a shifting chute (2311) has been seted up to the upper end of a transfer line (231), threaded connection is equipped with clamping screw (2312) on the lateral wall of shifting chute (2311), the lower extreme block of No. two transfer lines (232) is in the inboard of shifting chute (2311), gag lever post (2313) have been seted up on the lower extreme outer wall of a transfer line (231), gag lever post (2313) block is on needle bar (3).

5. The mechanism for adjusting the stroke of the needle bar of the sewing machine as claimed in claim 4, wherein: the upper end of the second transmission rod (232) is provided with a second rectangular hole (2321), the rectangular rod (233) is clamped on the inner side of the second rectangular hole (2321), the lower end of the second transmission rod (232) is fixedly provided with a limiting plate (2322), and the limiting plate (2322) is clamped on the inner side of the moving groove (2311).

6. The mechanism for adjusting the stroke of the needle bar of the sewing machine as claimed in claim 5, wherein: the upper end of the needle rod (3) is provided with a limiting hole (31), and the limiting rod (2313) is clamped on the inner side of the limiting hole (31).