TWI716132B - Saddle structure of sewing machine - Google Patents

Abstract

A saddle structure of a sewing machine includes a saddle body, an adjusting knob, a rotary axis, a first bevel gear, a screw rod, a second bevel gear, a thread hole base, and a slider. The adjusting knob is disposed outside of the saddle body. The rotary axis is connected to the adjusting knob. The first bevel gear is disposed on the rotary axis. The second bevel gear is disposed on the screw rod. The first bevel gear and the second bevel gear are meshingly engaged with each other. The thread hole base is threadedly engaged with the screw rod, and the slider is connected to the thread hole base. When the adjusting knob rotates, the first bevel gear and the second bevel gear sequentially drive the screw rod to rotate so that the thread hole base moves on the screw rod, further driving the slider and a cam structure to move and adjust. Therefore, the slider is not stuck due to rust, cotton, or contamination issues, the slider can implement adjustment (or slight adjustment) with high precision and has a larger movement.

Description

Knitting machine saddle structure

The invention relates to a knitting machine saddle structure, in particular to a knitting machine saddle structure which is arranged on a knitting machine and can be used to lock mountain corners and can be adjusted.

The saddle of the existing knitting machine includes a saddle body and a sliding block. The sliding block is movably arranged on the saddle body. The sliding block can be used to lock the corner of the mountain so as to guide the motion of the knitting needle by the corner of the mountain. The saddle of the knitting machine is additionally provided with an adjustment button, which can adjust the position of the slider through a linkage mechanism, so as to adjust the height position of the mountain corner and the knitting counter.

The existing linkage mechanism includes a screw connected to the adjusting button and an inclined surface connected to the slider. When the adjusting button rotates, the screw can be driven to move to push the inclined surface and adjust the position of the slider. However, this linkage mechanism is prone to accidents. Rust, cotton wool or dirt and other factors are stuck, especially when the elastic element pushed on the slider produces elastic fatigue, the slider is difficult to reset, and the knitting machine saddle cannot be adjusted.

Another existing linkage mechanism includes a spiral groove connected to the adjusting button and a pin connected to the slider. When the adjusting button rotates, the spiral groove can be driven to rotate to push the pin to adjust the position of the slider. The linkage mechanism has a small stroke, only about 3mm, and the adjustment range is limited, and its error is large, and it is impossible to fine-tune.

The technical problem to be solved by the present invention is to provide a knitting machine saddle structure in view of the deficiencies of the prior art, the slider will not be stuck due to factors such as rust, cotton wool or dirt, and can be adjusted with high precision (fine adjustment). And has a larger stroke.

In order to solve the above technical problems, one of the technical solutions adopted by the present invention is to provide a knitting machine saddle structure, including: a saddle body with an accommodating space and a chute; and an adjustment Button, the adjusting button is arranged outside the saddle body; a rotating shaft, the rotating shaft is arranged in the saddle body, the rotating shaft is arranged in a first direction; a first bevel gear, the first bevel gear Is arranged on the rotating shaft, the rotating shaft is connected between the adjusting button and the first bevel gear; a screw, the screw is arranged in the accommodating space of the saddle body, the screw is arranged in a second direction , The second direction is perpendicular to the first direction, so that the rotation axis and the screw are perpendicular to each other; a second bevel gear, the second bevel gear is arranged on the screw, the first bevel gear and the second bevel gear Mutually meshing; a screw hole seat, the screw hole seat is arranged in the accommodating space of the saddle body, the screw hole seat is screwed on the screw; and a slider, the slider is slidably arranged on the saddle In the sliding groove of the main body, the sliding groove extends along the second direction, and the sliding block is connected to the screw hole seat; wherein when the adjusting button rotates, it can pass through the rotating shaft, the first bevel gear and the The second bevel gear drives the screw to rotate, so that the screw hole seat moves on the screw to drive the slider to move and adjust along the second direction.

Preferably, the sliding groove is located on one side of the accommodating space, the sliding groove is communicated with the accommodating space, and the sliding groove extends along the second direction.

Preferably, the center of the adjustment button has a rotating part, a dial is sleeved between the adjustment button and the rotating shaft, the adjustment button is located outside the saddle body, the surface of the dial has graduations, and the saddle A pointer piece is arranged outside the body corresponding to the position of the dial.

Preferably, the first direction is a horizontal direction or a vertical direction, and the second direction is a vertical direction or a horizontal direction.

The beneficial effect of the present invention is that the saddle structure of the knitting machine of the present invention includes a saddle body, an adjusting button, a rotating shaft, a first bevel gear, a screw, a second bevel gear, a screw hole seat and a slider. The adjustment button can be connected to the slider through the first bevel gear, the second bevel gear, the screw rod and the screw hole seat. When the adjustment button is rotated, the slider can be reliably controlled to move without rust, lint, or dirt. It is stuck, and the coordination of the first bevel gear and the second bevel gear, as well as the coordination of the screw and the screw hole seat, has high precision, can be adjusted with high precision (fine adjustment), and has a large stroke and adjustment The magnitude is larger.

In order to further understand the features and technical content of the present invention, please refer to the following detailed description and drawings about the present invention. However, the provided drawings are only for reference and description, and are not used to limit the present invention.

The following are specific examples to illustrate the disclosed embodiments of the present invention. Those skilled in the art can understand the advantages and effects of the present invention from the content disclosed in this specification. The present invention can be implemented or applied through other different specific embodiments, and various details in this specification can also be modified and changed based on different viewpoints and applications without departing from the concept of the present invention. In addition, the drawings of the present invention are merely schematic illustrations, and are not drawn according to actual dimensions, and are stated in advance. The following embodiments will further describe the related technical content of the present invention in detail, but the disclosed content is not intended to limit the protection scope of the present invention.

[Example]

1 to 5, the present invention provides a knitting machine saddle structure, including a saddle body 1, an adjustment button 2, a rotating shaft 3, a first bevel gear 4, a screw 5, a second umbrella Gear 6, a screw hole seat 7 and a slider 8.

The saddle body 1 is a hollow seat body. The saddle body 1 has an accommodating space 11 therein, and one end (upper end) of the accommodating space 11 is open. The accommodating space 11 can be used to accommodate components such as the first bevel gear 4, the screw 5, the second bevel gear 6, and the screw hole seat 7. The saddle body 1 further has a sliding groove 12 inside, and the sliding groove 12 can be located on one side of the accommodating space 11, and the sliding groove 12 can be communicated with the accommodating space 11.

The adjusting button 2 is arranged outside the saddle body 1, and the center of the adjusting button 2 may have a rotating part 21, and the rotating part 21 may have a structure such as a polygonal hole, so that the adjusting button 2 can be rotated by a tool.

The rotating shaft 3 is disposed in the saddle body 1, and the rotating shaft 3 can be arranged in a first direction A. The first direction A can be a horizontal direction or a vertical direction. In this embodiment, the first direction A For the horizontal direction. The saddle body 1 may have a pivot hole 13 extending along the first direction A. The rotation shaft 3 is pivoted in the pivot hole 13 so that the rotation shaft 3 is pivoted on the saddle body 1 Inside and can rotate freely.

The first bevel gear (bevel gear) 4 is disposed in the accommodating space 11 of the saddle body 1, and the rotating shaft 3 is connected between the adjustment button 2 and the first bevel gear 4. Specifically, the adjustment button 1 Connected to one end of the rotating shaft 3, the first bevel gear 4 is disposed on the other end of the rotating shaft 3, so that the first bevel gear 4 is disposed on the rotating shaft 3, and the first bevel gear 4 is fixed on the rotating shaft 3, so that the adjustment button 2. The rotating shaft 3 and the first bevel gear 4 can rotate synchronously.

A dial 60 can be sleeved between the adjusting button 2 and the rotating shaft 3. The dial 60 is located outside the saddle body 1. The dial 60 is a circular disk, and the surface of the dial 60 has a scale 61, which can Used to display the angle of rotation. A pointer 9 can also be provided outside the saddle body 1 at a position corresponding to the dial 60, so that the adjustment knob 2 and the dial 60 can display the angle of rotation when they rotate. The dial 60 can also be fixed on the rotating shaft 3 by screw locking, etc., so that the dial 60 can rotate together with the adjustment knob 2 and the rotating shaft 3.

The screw 5 is arranged in the accommodating space 11 of the saddle body 1. The screw 5 can be arranged in a second direction B, the second direction B is perpendicular to the first direction A, and the second direction B can be a vertical horizontal direction Or the horizontal direction. In this embodiment, the second direction B is a vertical direction, so that the rotating shaft 3 and the screw 5 are perpendicular to each other. The screw 5 can be single-threaded or multi-threaded, for example, can be double-threaded, three-threaded, or four-threaded, etc. Preferably, the screw 5 is a multi-threaded thread, which can increase the adjustment range and have greater Movement.

The second bevel gear (bevel gear) 6 is arranged in the accommodating space 11 of the saddle body 1, the second bevel gear 6 is arranged on the screw 5, and the second bevel gear 6 is fixed on the screw 5 so that the screw 5 And the second bevel gear 6 can rotate synchronously. The first bevel gear 4 and the second bevel gear 6 mesh with each other.

The screw hole seat 7 is arranged in the accommodating space 11 of the saddle body 1, and the screw hole seat 7 is screwed to the screw 5, that is, the screw hole seat 7 may have a seat 71, and the seat body 71 is provided with a The screw hole 72 extends along the second direction B. The screw hole 72 corresponds to the screw 5, and the screw hole 72 is screwed on the screw 5.

The sliding block 8 is slidably disposed in the sliding groove 12 of the saddle body 1, and the sliding groove 12 extends along the second direction B, so that the sliding block 8 can move along the second sliding groove 12 in the saddle body 1 Moving in the direction B, the slider 8 is connected to the screw hole base 7, so that the screw hole base 7 and the slider 8 can move synchronously. The slider 8 can be used to lock the corner of the mountain (the figure is omitted), so that the corner of the mountain can be used to guide the movement of the knitting needle (the figure is omitted). An elastic element 10 can also be arranged between one end (lower end) of the slider 8 and the saddle body 1. The elastic element 10 abuts against one end of the slider 8 to provide the pre-compression force of the slider 8 to eliminate the screw 5 and the backlash (clearance) between the screw hole seat 7.

In addition, a shaft sleeve 20 may be further provided in the accommodating space 11 of the saddle body 1, the screw 5 is partially inserted into the shaft sleeve 20, and at least one positioning member 30 is provided between the screw 5 and the shaft sleeve 20 The positioning member 30 can be a bearing or an O-ring. The positioning member 30 can be used to position the screw 5 to prevent the screw 5 from shaking, so that the screw 5 can rotate stably.

The saddle body 1 can be further provided with a cover 40 at one end (upper end) of the accommodating space 11. The cover 40 can be fixed to the saddle body 1 with screws 50, etc. The cover 40 can be used To close one end of the accommodating space 11, the screw 5, the second bevel gear 6, the screw hole seat 7, the sleeve 20, and the positioning member 30 are stably arranged in the accommodating space 11 of the saddle body 1, And after the cover 40 is opened, it is convenient for maintenance.

When the adjusting button 2 rotates, the screw 5 can be driven to rotate through the rotating shaft 3, the first bevel gear 4, and the second bevel gear 6, so that the screw hole seat 7 can move on the screw 5, so as to drive the slider 8 and the mountain The angle movement (lifting) adjustment allows the slider 8 and the mountain corner to move and adjust along the second direction B, thereby adjusting the position of the mountain corner.

[Beneficial effects of the embodiment]

The beneficial effect of the present invention is that the saddle structure of the knitting machine of the present invention includes a saddle body, an adjusting button, a rotating shaft, a first bevel gear, a screw, a second bevel gear, a screw hole seat and a slider. The adjustment button can be connected to the slider through the first bevel gear, the second bevel gear, the screw rod and the screw hole seat. When the adjustment button is rotated, the slider can be reliably controlled to move without rust, lint, or dirt. It is stuck, and the coordination of the first bevel gear and the second bevel gear, as well as the coordination of the screw and the screw hole seat, has high precision, can be adjusted with high precision (fine adjustment), and has a large stroke. In the embodiment, the stroke is at least 4mm and the adjustment range is relatively large. Furthermore, the structure of the present invention is relatively simple, and assembly and maintenance are simple and convenient.

The content disclosed above is only a preferred and feasible embodiment of the present invention, and does not limit the scope of the patent application of the present invention. Therefore, all equivalent technical changes made using the description and schematic content of the present invention are included in the application of the present invention. Within the scope of the patent.

1: Saddle body 11: Housing space 12: Chute 13: pivot hole 2: adjustment button 21: Rotating part 3: Rotating shaft 4: The first bevel gear 5: Screw 6: The second bevel gear 7: Screw hole seat 71: Seat 72: screw hole 8: Slider 9: Pointer 10: Elastic element 20: Bushing 30: positioning parts 40: Lid 50: screw 60: Dial 61: scale A: First direction B: second direction

Figure 1 is a perspective view of the saddle structure of the knitting machine of the present invention.

Figure 2 is a front view of the saddle structure of the knitting machine of the present invention.

Figure 3 is a side view of the saddle structure of the knitting machine of the present invention.

Figure 4 is a perspective exploded view of the internal components of the saddle structure of the knitting machine of the present invention.

Figure 5 is a side view of the internal components of the saddle structure of the knitting machine of the present invention.

2: adjustment button

21: Rotating part

3: Rotating shaft

4: The first bevel gear

5: Screw

6: The second bevel gear

7: Screw hole seat

71: Seat

8: Slider

9: Pointer

10: Elastic element

20: Bushing

40: Lid

60: Dial

61: scale

A: First direction

B: second direction

Claims (9)

A saddle structure for a knitting machine, including: A saddle body with an accommodating space and a sliding groove in the saddle body; An adjusting button, which is arranged outside the saddle body; A rotating shaft, the rotating shaft is arranged in the saddle body, and the rotating shaft is arranged in a first direction; A first bevel gear, the first bevel gear is arranged on the rotation shaft, and the rotation shaft is connected between the adjustment button and the first bevel gear; A screw, the screw is disposed in the accommodating space of the saddle body, the screw is arranged in a second direction, the second direction is perpendicular to the first direction, so that the rotation axis and the screw are perpendicular to each other; A second bevel gear, the second bevel gear is arranged on the screw, the first bevel gear and the second bevel gear mesh with each other; A threaded hole seat, the threaded hole seat is arranged in the accommodating space of the saddle body, the threaded hole seat is screwed on the screw; and A sliding block, the sliding block is slidably disposed in a sliding groove of the saddle body, the sliding groove extends along the second direction, and the sliding block is connected to the screw hole seat; When the adjusting button rotates, the screw can be driven to rotate by the rotating shaft, the first bevel gear and the second bevel gear in sequence, so that the screw hole seat is moved on the screw to drive the slider along The second direction movement adjustment. According to the knitting machine saddle structure described in claim 1, wherein the sliding groove is located on one side of the accommodating space, the sliding groove is communicated with the accommodating space, and the sliding groove extends along the second direction . For the knitting machine saddle structure described in item 1 of the scope of patent application, wherein the center of the adjusting button has a rotating part, a dial is sleeved between the adjusting button and the rotating shaft, and the dial is located in the saddle. Outside the body, the surface of the dial is provided with scales, and the saddle body is provided with a pointer member corresponding to the position of the dial. According to the knitting machine saddle structure described in item 1 of the scope of patent application, the first direction is a horizontal direction or a vertical direction, and the second direction is a vertical direction or a horizontal direction. According to the knitting machine saddle structure described in claim 1, wherein the saddle body has a pivot hole, the pivot hole extends along the first direction, and the rotation axis is pivoted on the pivot hole . In the knitting machine saddle structure described in item 1 of the scope of patent application, the screw is a single thread or a multi-thread thread. According to the knitting machine saddle structure described in item 1 of the scope of patent application, the screw hole seat has a seat body, the seat body is provided with a screw hole, the screw hole extends along the second direction, and the screw hole is screwed On the screw. According to the knitting machine saddle structure described in the first item of the patent application, an elastic element is arranged between one end of the slider and the saddle body, and the elastic element abuts against one end of the slider to provide the sliding The power of the block preload. According to the knitting machine saddle structure described in item 1 of the scope of patent application, a shaft sleeve is arranged in the accommodating space of the saddle body, the screw part is inserted into the shaft sleeve, and between the screw and the shaft sleeve At least one positioning element is provided, one end of the accommodating space is open, the saddle body is provided with a cover at one end of the accommodating space, and the cover is fixed to the saddle body with screws.

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