CN210975094U - Presser foot structure of button sewing machine - Google Patents

Abstract

The utility model discloses a button sewing machine presser foot structure, including presser foot, lower carriage and the upper bracket that is located the lower carriage top, the draw-in groove has been seted up on the right side on presser foot top, and the inside of draw-in groove is provided with the lower carriage, and the rectangular channel has all been seted up to the positive both sides with the back of presser foot, and the quantity of rectangular channel is four, and the inside of four rectangular channels all is provided with same fixed establishment, and fixed establishment comprises four bolts, four extension spring and two fly leafs, and the circular slot has been seted up at the middle part on lower carriage top. This kind of button sewing machine presser foot structure uses through the cooperation of bolt, extension spring and fly leaf, makes people can make four bolts and the separation of lower carriage or four bolts and the both sides joint of lower carriage under the effect of four extension spring restoring force through two fly leaves of pulling, and then the inside of draw-in groove can be taken out or installed from the draw-in groove to light messenger lower carriage to the change of presser foot has been made things convenient for.

Description

Presser foot structure of button sewing machine

Technical Field

The utility model relates to a presser foot structure specifically is a button sewing machine presser foot structure.

Background

The button sewing machine is a special automatic sewing machine type, completes the sewing of regular-shaped buttons and the operation of sewing processes with nails and drops, such as sewing trademarks, labels, caps and the like, is the most commonly used sewing of disk-shaped buttons with two holes or four holes, and through the replacement of accessories of various special button sewing machines, one button sewing machine can be used for sewing various buttons such as buttons with handles, metal buttons, snap buttons, foot-winding buttons, air-blowing buttons and the like, and a user can ask a device supplier to provide the special accessories of the button sewing machine according to needs.

At present, most button sewing machines all need adjust the height of presser foot when processing the dress of different thickness, but traditional regulative mode is loaded down with trivial details, is not convenient for adjust to the mounting structure is complicated inconvenient in all changing the presser foot. Therefore, the improvement is made, and the presser foot structure of the button sewing machine is provided.

Disclosure of Invention

In order to solve the technical problem, the utility model provides a following technical scheme:

the utility model relates to a presser foot structure of a button sewing machine, which comprises a presser foot, a lower bracket and an upper bracket positioned at the top of the lower bracket, a clamping groove is formed in the right side of the top end of the presser foot, a lower support is arranged in the clamping groove, rectangular grooves are formed in the front side and the back side of the presser foot, the number of the rectangular grooves is four, the same fixing mechanism is arranged inside each of the four rectangular grooves, the fixing mechanism consists of four bolts, four extension springs and two movable plates, a circular groove is arranged in the middle of the top end of the lower bracket, both sides of the top end of the lower bracket are provided with limit grooves, an adjusting mechanism is arranged between the lower bracket and the upper bracket, the adjusting mechanism consists of a rotary drum, a threaded rod, two limiting rods and two limiting blocks, the top of threaded rod and the middle part fixed connection of upper bracket bottom, two screw holes are seted up at the top of upper bracket.

As a preferred technical scheme of the utility model, four the bolt sets up respectively in the inside of four rectangular channels, four the one end of bolt respectively with the both sides joint of lower carriage, four the other end of bolt respectively with the both sides fixed connection of two fly leaf opposite faces.

As an optimal technical scheme of the utility model, four extension spring sets up the outside at four bolts respectively, extension spring's both ends respectively with the one end of bolt and the outside fixed connection of presser foot.

As a preferred technical scheme of the utility model, the bottom of rotary drum is passed through the bearing and is connected with the top of circular slot inner chamber, the outside threaded connection of internal thread and threaded rod is passed through to the inside of rotary drum.

As a preferred technical scheme of the utility model, two the gag lever post be respectively with the inside of two spacing grooves, two the top of gag lever post respectively with the both sides fixed connection of upper bracket bottom.

As a preferred technical scheme of the utility model, two the stopper is located the inside of two spacing grooves respectively, and the outside of two stoppers respectively with the inside sliding connection of two spacing grooves, two the top of stopper respectively with the bottom fixed connection of two gag lever posts.

The utility model has the advantages that:

1. this kind of button sewing machine presser foot structure uses through the cooperation of bolt, extension spring and fly leaf, makes people can make four bolts and the separation of lower carriage or four bolts and the both sides joint of lower carriage under the effect of four extension spring restoring force through two fly leaves of pulling, and then the inside of draw-in groove can be taken out or installed from the draw-in groove to light messenger lower carriage to the change of presser foot has been made things convenient for.

2. This kind of button sewing machine presser foot structure uses through the cooperation of rotary drum, threaded rod and gag lever post, makes people can make the threaded rod rise or descend through rotating the rotary drum, and then adjusts the interval between upper bracket and the lower carriage, and then makes people can be according to the height value of the adjustable presser foot of thickness of dress.

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 structural view of a presser foot structure of a button sewing machine of the present invention;

FIG. 2 is a schematic view of a cross-sectional top view of a presser foot structure of a button sewing machine according to the present invention;

fig. 3 is a schematic view of a sectional structure of a bracket of a presser foot structure of a button sewing machine of the present invention.

In the figure: 1. a presser foot; 2. a card slot; 3. a lower bracket; 4. a threaded hole; 5. a circular groove; 6. a limiting groove; 7. a rotating drum; 8. a threaded rod; 9. an upper bracket; 10. a limiting rod; 11. a limiting block; 12. a rectangular groove; 13. a bolt; 14. an extension spring; 15. a movable plate.

Detailed Description

The preferred embodiments of the present invention will be described in conjunction with the accompanying drawings, and it will be understood that they are presented herein only to illustrate and explain the present invention, and not to limit the present invention.

Example (b): as shown in fig. 1, fig. 2 and fig. 3, the presser foot structure of the button sewing machine of the present invention comprises a presser foot 1, a lower bracket 3 and an upper bracket 9 located at the top of the lower bracket 3, wherein the right side of the top end of the presser foot 1 is provided with a clamping groove 2, the lower bracket 3 is arranged inside the clamping groove 2, both sides of the front and the back of the presser foot 1 are provided with rectangular grooves 12, the number of the rectangular grooves 12 is four, the inside of the four rectangular grooves 12 is provided with the same fixing mechanism, the fixing mechanism is composed of four bolts 13, four stretching springs 14 and two movable plates 15, the middle part of the top end of the lower bracket 3 is provided with a circular groove 5, both sides of the top end of the lower bracket 3 are provided with limiting grooves 6, an adjusting mechanism is arranged between the lower bracket 3 and the upper bracket 9, the adjusting mechanism is composed of a rotary drum 7, a threaded rod 8, two limiting rods 10 and two limiting, the top of the upper bracket 9 is provided with two threaded holes 4.

Wherein, four bolts 13 set up the inside at four rectangular channel 12 respectively, the one end of four bolts 13 respectively with the both sides joint of lower carriage 3, the other end of four bolts 13 respectively with the both sides fixed connection of two fly leaf 15 opposite faces, through bolt 13, extension spring 14 and fly leaf 15's cooperation is used, make people can be through two fly leaf 15 of pulling, make four bolts 13 and lower carriage 3 separation or four bolts 13 with the both sides joint of lower carriage 3 under the effect of four extension spring 14 restoring force, and then the inside of draw-in groove 2 can be taken out or installed to light messenger lower carriage 3 from draw-in groove 2, thereby made things convenient for presser foot 1's change.

Wherein, four extension springs 14 set up respectively in the outside of four bolts 13, and extension springs 14's both ends respectively with the outside fixed connection of the one end of bolt 13 and presser foot 1, through extension springs 14's restoring force, make bolt 13 under the condition of not having artificial pulling, bolt 13 is difficult from separating with lower carriage 3, and then makes the inside at draw-in groove 2 of fixing that lower carriage 3 can be very firm.

Wherein, the bottom of rotary drum 7 is passed through the bearing and is connected with the top of 5 inner chambers of circular slot, and the outside threaded connection of internal thread and threaded rod 8 is passed through to the inside of rotary drum 7, uses through the cooperation of rotary drum 7, threaded rod 8 and gag lever post 10, makes people can make threaded rod 8 rise or descend through rotating rotary drum 7, and then adjusts the interval between upper bracket 9 and the lower carriage 3, and then makes people can be according to the height value of the adjustable presser foot 1 of thickness of dress.

Wherein, two gag lever posts 10 respectively be with two spacing grooves 6's inside, the top of two gag lever posts 10 respectively with the both sides fixed connection of upper bracket 9 bottom, use through the cooperation of two gag lever posts 10 and stopper 11, when making rotary drum 7 rotate, upper bracket 9 and threaded rod 8 can only reciprocate and can not rotate along with rotary drum 7, have promoted the practicality.

Wherein, two stopper 11 are located the inside of two spacing grooves 6 respectively, and the outside of two stopper 11 respectively with the inside sliding connection of two spacing grooves 6, the top of two stopper 11 respectively with the bottom fixed connection of two gag lever posts 10, through two stopper 11, make gag lever post 10 can't break away from the inside of spacing groove 6, and then make threaded rod 8 can't break away from the inside of rotary drum 7 and circular slot 5, promoted the practicality.

When the device works, firstly, the two movable plates 15 are pulled outwards, the lower support 3 is placed in the clamping groove 2, the two movable plates 15 are loosened, the two movable plates 15 drive the four bolts 13 to move towards the inside of the clamping groove 2 under the action of restoring force of the four tension springs 14 and are clamped with two sides of the lower support 3, the lower support 3 is fixed in the clamping groove 2, the upper support 9 is fixed on the button sewing machine through the bolts and the threaded holes 4, when the height of the presser foot 1 needs to be adjusted, the rotary drum 7 is rotated forwards or reversely, due to the limitation of the two limiting rods 10 and the limiting blocks 11 on the position of the upper support 9, when the rotary drum 7 rotates, the threaded rod 8 and the lower support 3 move upwards or downwards, the distance between the upper support 9 and the lower support 3 is adjusted, further, the height value of the presser foot 1 is adjusted, the rotary drum 7 stops rotating, when the presser foot 1 needs to be separated from the, and (3) pulling the two movable plates 15 outwards to enable the four pins 13 to move outwards to be separated from two sides of the lower support 3, and taking down the presser foot 1.

Finally, it should be noted that: in the description of the present invention, it should be noted that the terms "vertical", "upper", "lower", "horizontal", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed in a specific orientation, and be operated, and thus should not be construed as limiting the present invention.

In the description of the present invention, it should also be noted that, unless otherwise explicitly specified or limited, the terms "disposed," "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; 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 invention can be understood according to specific situations by those skilled in the art.

Although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described in the foregoing embodiments, or equivalents may be substituted for elements thereof. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims (6)

1. A presser foot structure of a button sewing machine comprises a presser foot (1), a lower support (3) and an upper support (9) positioned at the top of the lower support (3), and is characterized in that the right side of the top end of the presser foot (1) is provided with a clamping groove (2), the lower support (3) is arranged inside the clamping groove (2), rectangular grooves (12) are respectively arranged on the two sides of the front surface and the back surface of the presser foot (1), the number of the rectangular grooves (12) is four, the same fixing mechanism is arranged inside the four rectangular grooves (12), the fixing mechanism consists of four bolts (13), four stretching springs (14) and two movable plates (15), a circular groove (5) is arranged in the middle of the top end of the lower support (3), limiting grooves (6) are respectively arranged on the two sides of the top end of the lower support (3), and an adjusting mechanism is arranged between the lower support (3) and the upper support (9), the adjusting mechanism is composed of a rotary drum (7), a threaded rod (8), two limiting rods (10) and two limiting blocks (11), the top end of the threaded rod (8) is fixedly connected with the middle of the bottom end of the upper support (9), and two threaded holes (4) are formed in the top of the upper support (9).

2. The presser foot structure of the button sewing machine according to claim 1, wherein four of the pins (13) are respectively disposed inside four rectangular grooves (12), one ends of the four pins (13) are respectively clamped with two sides of the lower bracket (3), and the other ends of the four pins (13) are respectively fixedly connected with two sides of the opposite surfaces of the two movable plates (15).

3. A presser foot arrangement for a button sewing machine according to claim 1, characterized in that four said extension springs (14) are arranged outside of four pins (13), respectively, and both ends of said extension springs (14) are fixedly connected to one end of the pins (13) and the outside of the presser foot (1), respectively.

4. A presser foot arrangement for a button sewing machine according to claim 1, characterized in that the bottom of the drum (7) is connected to the top of the cavity of the circular groove (5) by means of a bearing, and the inside of the drum (7) is threadedly connected to the outside of the threaded rod (8) by means of an internal thread.

5. The presser foot structure of a button sewing machine according to claim 1, wherein two of said limiting rods (10) are respectively connected with the inside of two limiting grooves (6), and the top ends of two of said limiting rods (10) are respectively fixedly connected with two sides of the bottom end of the upper bracket (9).

6. The presser foot structure of the button sewing machine according to claim 1, wherein the two limiting blocks (11) are respectively located inside the two limiting grooves (6), the outer portions of the two limiting blocks (11) are respectively connected with the inner portions of the two limiting grooves (6) in a sliding manner, and the top ends of the two limiting blocks (11) are respectively fixedly connected with the bottom ends of the two limiting rods (10).

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