CN218969528U

CN218969528U - Upper sleeve bending cylinder of sewing machine with good stability

Info

Publication number: CN218969528U
Application number: CN202222579050.2U
Authority: CN
Inventors: 吴光粤
Original assignee: Individual
Current assignee: Individual
Priority date: 2022-09-28
Filing date: 2022-09-28
Publication date: 2023-05-05
Anticipated expiration: 2032-09-28

Abstract

The utility model discloses an upper sleeve bending cylinder of a sewing machine with good stability, which relates to the technical field of upper sleeve bending cylinders. When the curved section of thick bamboo of last sleeve of this sewing machine that stability is good needs to install on sewing machine, rotates knob one and drives bevel gear through pivot and gear and rotate, and bevel gear passes through drive belt one and drives threaded rod one simultaneously and rotate, go up the cardboard and move down until laminating with the sewing machine mounting surface along with threaded rod one's rotation this moment, the extrusion stem can extrude the side recess of barrel with the stopper this moment, and spring two no longer is in compressed state this moment, receives spring telescopic link drive down the cardboard upward effort and cooperates the cardboard to reach and be the effect that presss from both sides all the time.

Description

Upper sleeve bending cylinder of sewing machine with good stability

Technical Field

The utility model relates to the technical field of upper sleeve bending barrels, in particular to an upper sleeve bending barrel of a sewing machine with good stability.

Background

The sewing machine integrates the functions of linear sewing, bending sewing, buttonholing and the like, has the function of automatically adjusting the tension of a thread, can realize the functions of automatic backstitch, automatic thread cutting and the like by lightly pressing a key, can be easily used by anyone, can realize the function of professional embroidery by computer control, and the upper sleeve bending cylinder of the sewing machine is a key accessory for the hemming sewing work of an industrial sewing machine, realizes a mechanism of the attractive and rapid sewing function of the hemming of a sewing material, and can have the function of preventing winding.

In the prior art, when the upper sleeve is arranged on the sewing machine, the upper sleeve is simply clamped or only the upper clamping plate can be adjusted, matched and clamped, and the upper sleeve can be suitable for sewing machines with different thicknesses at the installation positions, but the upper sleeve cannot be ensured to be in a clamping state all the time, the risk of loose is still caused, and the working efficiency of the sewing machine is reduced to slow down the working progress if the upper sleeve is reinstalled in a loose mode.

Disclosure of Invention

(one) solving the technical problems

Aiming at the defects of the prior art, the utility model provides the upper sleeve bending cylinder of the sewing machine with good stability, and solves the problems mentioned in the background art.

(II) technical scheme

In order to achieve the above purpose, the utility model is realized by the following technical scheme: the utility model provides a curved section of thick bamboo of upper sleeve of sewing machine that stability is good includes the barrel, the side rotation of barrel is connected with knob one, knob one is connected with the pivot towards the fixed surface of barrel, the pivot rotates to be connected with and runs through the barrel, the pivot is at the inside one end fixedly connected with gear of barrel, the inner wall of barrel rotates to be connected with bevel gear, the surface transmission of the rotation end of bevel gear is connected with drive belt one, barrel inner wall rotates to be connected with threaded rod one, threaded rod one's surface threaded connection has an upper clamping plate, upper clamping plate sliding connection just runs through the side of barrel, the fixed surface of upper clamping plate is connected with the guide arm, the one end of the peripheral fixedly connected with spring one of upper surface guide arm of upper clamping plate, the other end fixedly connected with fixed plate of spring one, fixed plate fixedly connected with is in the side of barrel, the inside of upper clamping plate is provided with thickness adjustment mechanism, thickness adjustment mechanism includes:

the second knob is fixedly connected with a rotating rod on the lower surface of the second knob, and the rotating rod is rotationally connected with and penetrates through the upper clamping plate;

the second threaded rod is rotationally connected to the inner wall of the upper clamping plate, the second threaded rod is connected with an extrusion rod in a threaded manner, the extrusion rod is connected with the upper clamping plate in a hanging sliding manner and penetrates through the upper clamping plate, the extrusion rod is fixedly connected with a fixed sleeve on the inner side surface of the upper clamping plate, the guide rod is fixedly connected with the inner wall of the upper clamping plate, and the guide rod penetrates through the fixed sleeve.

Preferably, one end of the first driving belt is in driving connection with the surface of the rotating end of the bevel gear, and the other end of the first driving belt is in driving connection with the surface of the first threaded rod.

Preferably, the second rotating rod is in transmission connection with one end of a second driving belt on the surface of the inner part of the upper clamping plate, and the other end of the second driving belt is in transmission connection with the surface of the second threaded rod.

Preferably, the side fixedly connected with backup pad of barrel, the upper surface fixedly connected with telescopic link of backup pad, the surface fixedly connected with spring two of telescopic link.

Preferably, the upper surface of telescopic link fixedly connected with lower cardboard, the inside of lower cardboard is provided with stop gear.

Preferably, the limiting mechanism includes: and the third spring is fixedly connected with the inner wall of the lower clamping plate at one end, the limiting block is fixedly connected with the other end of the third spring, and the limiting block is in sliding connection and penetrates through the lower clamping plate.

(III) beneficial effects

The utility model provides an upper sleeve bending cylinder of a sewing machine with good stability. The beneficial effects are as follows:

(1) The curved section of thick bamboo of last sleeve of this sewing machine that stability is good, when needs install on sewing machine, rotate knob one and drive bevel gear through pivot and gear and rotate, bevel gear passes through drive belt one and rotates threaded rod simultaneously, go up the cardboard and move down until laminating with sewing machine mounting surface along with threaded rod one's rotation this moment, the extrusion stem can extrude the side recess of barrel with the stopper this moment, spring two no longer is in compressed state this moment, receives spring two's elasticity telescopic link to drive down the cardboard upward effort cooperation cardboard and reaches the effect of pressing from both sides tight all the time.

(2) The upper sleeve bending cylinder of the sewing machine with good stability is capable of rotating the second knob when the sewing machine with different thickness installation positions is needed, the second threaded rod is driven to rotate through the second rotary rod and the second driving belt, and the extruding rod can move up and down along with the rotation of the second threaded rod to achieve the effect that the extruding rod can be always clamped and simultaneously can still adapt to different thicknesses.

Drawings

FIG. 1 is a schematic view of the overall apparatus of the present utility model;

FIG. 2 is a schematic cross-sectional view of the present utility model;

FIG. 3 is a schematic view of a thickness adjusting mechanism according to the present utility model;

fig. 4 is a schematic structural view of the lower clamping plate inner limiting mechanism of the utility model.

In the figure: 1. a cylinder; 2. a first knob; 3. a rotating shaft; 4. bevel gears; 5. a gear; 6. a first transmission belt; 7. a first threaded rod; 8. a thickness adjusting mechanism; 9. a limiting mechanism; 10. a lower clamping plate; 11. a support plate; 12. a fixing plate; 13. a first spring; 14. a guide rod; 15. an upper clamping plate; 16. a telescopic rod; 17. a second spring; 81. a second knob; 82. a rotating rod; 83. a second transmission belt; 84. a second threaded rod; 85. a fixed sleeve; 86. a guide rod; 87. an extrusion rod; 91. a limiting block; 92. and a third spring.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

It should be noted that all directional indicators (such as up, down, left, right, front, and rear … …) in the embodiments of the present utility model are merely used to explain the relative positional relationship, movement, etc. between the components in a particular posture (as shown in the drawings), and if the particular posture is changed, the directional indicator is changed accordingly.

Referring to fig. 1-4, the present utility model provides a technical solution: an upper sleeve bending cylinder of a sewing machine with good stability comprises a cylinder body 1, a knob I2 is rotationally connected to the side surface of the cylinder body 1, a rotating shaft 3 is fixedly connected to the surface of the knob I2 facing the cylinder body 1, the rotating shaft 3 is rotationally connected with and penetrates through the cylinder body 1, one end of the rotating shaft 3 in the cylinder body 1 is fixedly connected with a gear 5, the inner wall of the cylinder body 1 is rotationally connected with a bevel gear 4, the bevel gear 4 is meshed with the gear 5 to ensure that the bevel gears can mutually drive, the surface of the rotating end of the bevel gear 4 is in transmission connection with a driving belt I6, one end of the driving belt I6 is in transmission connection with the surface of the rotating end of the bevel gear 4, the other end of the driving belt I6 is in transmission connection with the surface of a threaded rod I7, the threaded rod I7 can be driven to rotate while the bevel gear 4 can be driven by the gear 5 to rotate when the knob I2 is rotated, the inner wall of the cylinder body 1 is rotationally connected with a first threaded rod 7, an upper clamping plate 15 is in threaded connection with the surface of the first threaded rod 7, a supporting plate 11 is fixedly connected to the side surface of the cylinder body 1 and used for fixedly supporting a telescopic rod 16 and a second spring 17, the telescopic rod 16 is fixedly connected to the upper surface of the supporting plate 11, the second spring 17 is fixedly connected to the surface of the telescopic rod 16, a lower clamping plate 10 is fixedly connected to the upper surface of the telescopic rod 16, when the telescopic rod is required to be installed on a sewing machine, the first rotating knob 2 drives the bevel gear 4 to rotate through a rotating shaft 3 and a gear 5, meanwhile, the bevel gear 4 drives the first threaded rod 7 to rotate through a first driving belt 6, at the moment, the upper clamping plate 15 moves downwards along with the rotation of the first threaded rod 7 until being attached to the installation surface of the sewing machine, at the moment, the extruding rod 87 extrudes a limiting block 91 out of a side surface groove of the cylinder body 1, at the moment, the second spring 17 is no longer in a compressed state, the elastic telescopic rod 16 of the second spring 17 drives the lower clamping plate 10 to be matched with the upper clamping plate 15 under the upward acting force, so that the effect of always clamping is achieved.

In this embodiment, the inside of lower cardboard 10 is provided with stop gear 9, stop gear 9 includes spring three 92, the one end fixedly connected with of spring three 92 is at the inner wall of lower cardboard 10, the other end fixedly connected with stopper 91 of spring three 92, stopper 91 sliding connection just runs through lower cardboard 10, go up cardboard 15 sliding connection and run through the side of barrel 1, go up cardboard 15's fixed surface and be connected with guide arm 14, go up cardboard 15's upper surface guide arm 14's peripheral fixedly connected with spring one 13's one end, spring one 13's the other end fixedly connected with fixed plate 12, fixed plate 12 fixed connection is in the side of barrel 1, go up cardboard 15's inside is provided with thickness adjustment mechanism 8.

Further, above-mentioned thickness adjustment mechanism 8 includes knob two 81, the rotation of knob two 81 is connected at the upper surface of last cardboard 15, the lower surface fixedly connected with bull stick 82 of knob two 81, bull stick 82 rotates to be connected and runs through last cardboard 15, the bull stick 82 is connected with the one end of drive belt two 83 at the inside surface transmission of last cardboard 15, the other end transmission of drive belt two 83 is connected on the surface of threaded rod two 84 and guarantees through drive belt two 83 drive threaded rod two 84 synchronous rotation when rotating bull stick 82 through knob two 81, the inner wall rotation of last cardboard 15 is connected with threaded rod two 84, the surface threaded connection of threaded rod two 84 has extrusion rod 87, extrusion rod 87 sliding connection and run through last cardboard 15, extrusion rod 87 is fixed with fixed sleeve 85 at the side of last cardboard 15 inside, the inner wall fixedly connected with guide bar 86 of last cardboard 15, guide bar 86 runs through fixed sleeve 85, guarantee that threaded rod two 84 can not rotate thereupon or skew only can translate from top to bottom when the sewing machine of different thickness installations this moment, rotate knob two 84, it can not be satisfied with the rotation of threaded rod 84 simultaneously to press from top to bottom the screw rod 84.

Working principle: this curved section of thick bamboo of upper sleeve of sewing machine that stability is good, when needing to install on sewing machine, rotate knob one 2 and drive bevel gear 4 through pivot 3 and gear 5 and rotate, simultaneously bevel gear 4 drives threaded rod one 7 through drive belt one 6 and rotates, go up cardboard 15 can move down along with threaded rod one 7's rotation this moment, until laminating with sewing machine mounting surface, the extrusion rod 87 can extrude the side recess of barrel 1 with stopper 91 this moment, spring two 17 is no longer in compressed state this moment, receive the elasticity telescopic link 16 of spring two 17 to drive down cardboard 10 upward effort laminating sewing machine installation department upper surface, reach the effect of laminating clamp sewing machine installation department all the time through the elasticity cooperation of spring two 17, when need to the sewing machine of different thickness installations, rotate knob two 81, drive threaded rod two 84 rotation through bull stick 82 and drive belt two 83, extrusion rod 87 can still adapt to the effect of different thickness when reaching can press from top to bottom along with the rotation of two 84.

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

Claims

1. The utility model provides a curved section of thick bamboo of upper sleeve of sewing machine that stability is good, includes barrel (1), its characterized in that: the side rotation of barrel (1) is connected with knob one (2), the fixed surface of knob one (2) orientation barrel (1) is connected with pivot (3), pivot (3) rotate and are connected and run through barrel (1), pivot (3) are at the inside one end fixedly connected with gear (5) of barrel (1), the inner wall of barrel (1) rotates and is connected with bevel gear (4), the surface transmission of the end of turning of bevel gear (4) is connected with drive belt one (6), barrel (1) inner wall rotation is connected with threaded rod one (7), the surface threaded connection of threaded rod one (7) has cardboard (15), go up cardboard (15) sliding connection and run through the side of barrel (1), go up cardboard (15) surface fixedly connected with guide arm (14), the upper surface of going up cardboard (15) and the one end of guide arm (14) fixedly connected with spring one (13), the other end fixedly connected with fixed plate (12), fixed plate (12) fixedly connected with is in the side of barrel (1), thickness adjustment mechanism (8) are included in the inside cardboard (8) of barrel (8).

The second knob (81), the lower surface of the second knob (81) is fixedly connected with a rotating rod (82), and the rotating rod (82) is rotationally connected and penetrates through the upper clamping plate (15);

threaded rod two (84), threaded rod two (84) rotate the inner wall of connecting last cardboard (15), the surface threaded connection of threaded rod two (84) has extrusion pole (87), extrusion pole (87) sliding connection just runs through last cardboard (15), the fixed cover (85) of side fixedly connected with in last cardboard (15) of extrusion pole (87), the inner wall fixedly connected with guide bar (86) of going up cardboard (15), guide bar (86) run through fixed cover (85).

2. An upper sleeve bending cylinder of a sewing machine with good stability according to claim 1, wherein: one end of the first driving belt (6) is in driving connection with the surface of the rotating end of the bevel gear (4), and the other end of the first driving belt (6) is in driving connection with the surface of the first threaded rod (7).

3. An upper sleeve bending cylinder of a sewing machine with good stability according to claim 1, wherein: the rotating rod (82) is in transmission connection with one end of a second transmission belt (83) on the surface of the inner part of the upper clamping plate (15), and the other end of the second transmission belt (83) is in transmission connection with the surface of a second threaded rod (84).

4. An upper sleeve bending cylinder of a sewing machine with good stability according to claim 1, wherein: the side of barrel (1) fixedly connected with backup pad (11), the upper surface fixedly connected with telescopic link (16) of backup pad (11), the surface fixedly connected with spring two (17) of telescopic link (16).

5. The upper sleeve bending cylinder of the sewing machine with good stability according to claim 4, wherein: the upper surface of telescopic link (16) fixedly connected with lower cardboard (10), the inside of lower cardboard (10) is provided with stop gear (9).

6. The upper sleeve bending cylinder of the sewing machine with good stability according to claim 5, wherein: the limiting mechanism (9) comprises a third spring (92), one end of the third spring (92) is fixedly connected with the inner wall of the lower clamping plate (10), the other end of the third spring (92) is fixedly connected with a limiting block (91), and the limiting block (91) is in sliding connection and penetrates through the lower clamping plate (10).