CN201113674Y - Driving and air suction shared motor structure of sewing machine - Google Patents

Abstract

The utility model discloses a sewing machine driving and suction common motor structure, in particular, a sewing machine motor structure with simplified structure, reduced occupied space, and more effectively reduced cost. A suction device consisting of two opposite suction housing seats, a suction housing cover and an internal impeller thereof is provided on the other opposite side of the sewing machine motor driving side, so that a single motor body can be used as a power source for driving the sewing machine and a thread end and cloth scrap suction and collection device at the same time.

Description

Sewing machine drive and suction common motor structure

technical field

The utility model relates to a sewing machine drive and air suction common motor structure, in particular to a sewing machine motor structure which simplifies the structure, reduces the occupied space, and can effectively reduce the cost. Suction power source.

Background technique

During the operation of equipment such as sewing machines or cockers, most of the thread waste will be generated. In order to prevent it from floating around in the workplace, an automatic thread waste guide and collection device controlled by an air source is generally preset.

In the known sewing machine and its related motor structure shown in FIG. 1 , the sewing machine 90 is arranged on the surface of a working platform 91 to access the suture thread of the preset thread cylinder 95, and the driving motor 92 under the table cooperates with the relevant clutch 94, Belt pulley 93 and relevant belt drive sewing machine 90 actions.

Above-mentioned sewing machine 90 is provided with a suction collection device 98 for collecting thread scraps under one side of work platform 91, and this suction collection device 98 is then connected with suction motor 96 with a suction hose 97, in order to aim at the workplace without compressed air. source and related equipment, but can only connect the above-mentioned suction hose 97 with this suction motor 96 as the suction power source.

However, in this type of known sewing machine 90 and related structures thereof, individual drive motors 92 and suction motors 96 must be used, which not only complicates the structure, but also occupies a large space as a whole, and relatively increases the cost and maintenance costs. Not ideal.

Utility model content

The main purpose of this utility model is to provide a sewing machine drive and air suction shared motor structure, which can use a single motor body as the power source for driving the sewing machine and the thread waste suction and collection device at the same time, so that the structure is simplified and the occupied space is reduced. space, which can effectively reduce related costs.

In order to achieve the above purpose, the utility model includes a motor main body, on one side of the above-mentioned motor main body, a rotating shaft and a pulley are provided, and the power is transmitted to the sewing machine; Air suction device, the above-mentioned air suction device is composed of two opposite air suction shell seats, the air suction shell cover and the impeller inside; Locked on the other end surface of the motor body, so that the other side of the shaft is exposed through the central hole to assemble the impeller; The air chamber space is formed at both ends of the wind ditch; the above-mentioned air suction shell cover is set to match the relative shape of the above-mentioned air suction shell seat, and it is provided with a relative air suction port and an air exhaust port at a position opposite to the above air chamber space, and is connected with the above-mentioned air guide. The air guide groove opposite to the air groove; the back side of the above-mentioned air suction shell cover and the front surface of the air suction shell seat are merged and assembled.

In a preferred embodiment, the above-mentioned air suction shell base and the air suction shell cover are provided with opposite upper extensions for relatively setting the above-mentioned air chamber space, air suction port and air exhaust port.

The air suction shell cover is locked with an air guide shell cover at a position opposite to the front end surface, and the air guide shell cover is respectively provided with a suction pipe and an air discharge pipe on the front end surface opposite to the above air suction port and the air discharge port.

The utility model thus forms a common motor structure for sewing machine driving and air suction, which can be used as a power source for driving the sewing machine and the thread scrap suction and collection device under a single motor body, which not only simplifies the structure, Reducing the space it occupies can more effectively reduce related costs, and is indeed practical and of industrial use value.

Description of drawings

Fig. 1 is known sewing machine and relevant motor structural diagram thereof;

Fig. 2 is a perspective view of a preferred embodiment of the utility model;

Fig. 3 is a three-dimensional sectional view of the air suction device in Fig. 2;

Fig. 4 is an exploded view of the suction shell cover in Fig. 2;

Fig. 5 is an exploded view of the air suction shell cover and the air guide shell cover of Fig. 4;

Fig. 6 is a three-dimensional exploded view of the impeller and the suction shell seat of the present invention; and

Fig. 7 is a three-dimensional exploded view showing the air suction shell seat and the motor main body of the present invention.

Description of main component symbols

(10) Motor (11) Motor body (12) Fixing seat

(13) Shaft (14) Pulley (15) Clutch

(16) Operating handle (17) Screw hole (18) Central screw hole

(19) cooling holes

(20) Suction shell seat (21) Upper extension (22) Air chamber space

(23) Air chamber space (24) Air guide ditch (25) Central hole

(26) Screw hole (27) Through hole (28) Bolt

(29) alcove

(30) Suction shell cover (31) Upper extension (32) Suction port

(33) Exhaust outlet (34) Air guide groove (35) Screw hole

(36) Through hole (37) Bolt

(40)Impeller (41)Blade (42)Central hole

(43) Bolt (44) Washer

(50) Air guide shell cover (51) Rear end face (52) Suction pipe

(53) Exhaust pipe (54) Gasket (55) Through hole

(56) Through hole (57) Bolt

Detailed ways

The novelty and other characteristics of the utility model will become clearer with the detailed description of the preferred embodiments of the accompanying drawings below.

First please refer to FIG. 2 , in the preferred embodiment shown in the figure, the motor 10 of the present invention includes a motor body 11 , and a fixing seat 12 is provided at the bottom of the motor body 11 . One side of the motor main body 11 is provided with a rotating shaft 13 and a pulley 14, and the transmission mechanism of the pulley 14 cooperates with a clutch 15 containing an operating handle 16 to transmit power to the sewing machine. The other side of the motor main body 11 is provided with a suction device driven by the other side of the rotating shaft 13 .

Referring now to FIGS. 2 to 7 , the air suction device disposed on the other side of the motor body 11 is composed of two opposite suction shell seats 20 , a suction shell cover 30 and an impeller 40 inside. The other side of the motor main body 11 is provided with a rotating shaft 13 extending outwards with a set length, and a screw hole 17 and a heat dissipation hole 19 are preset on the other end surface of the motor main body 11, and a central screw hole 18 is provided at the end of the rotating shaft 13 . The above-mentioned air suction shell seat 20 is roughly set as an annular shape matching the impeller 40, contains a central hole 25, and is provided with an upper extension portion 21, as shown in FIG. The through hole 27 is preset, and the bolt 28 can be locked into the screw hole 17 through the through hole 27, and the back side of the air suction shell seat 20 is locked against the other side end surface of the motor main body 11, and the above rotating shaft 13 A part of the length of the impeller 40 is exposed through its central hole 25 and ready to be assembled. At the same time, the air suction housing base 20 is provided with an alcove 29 at a position opposite to the heat dissipation hole 19 to prevent the heat dissipation hole 19 from being covered.

As shown in Figure 6, the above-mentioned impeller 40 is provided with a plurality of blades 41 arranged in a set direction and a central hole 42 on the outer periphery, and the front of the above-mentioned air suction housing seat 20 is provided with a plurality of protrusions containing screw holes 26 on the outer periphery. Ears, and a wind guide ditch 24 is provided at the position where the above-mentioned blades 41 are matched, and air chamber spaces 22 and 23 are formed at both ends of the wind guide ditch 24 . Simultaneously, the whole impeller 40 can be locked to the central screw hole 18 at the extension end of the above-mentioned rotating shaft 13 through the central hole 25 through the central hole 25 with the bolt 43 and the washer 44, so that it can rotate with the motor rotating shaft 13 to generate the required wind force.

As shown in FIGS. 2 to 6 , the above-mentioned air suction housing cover 30 is set to match the relative shape of the above-mentioned air suction housing base 20 , and it is provided with an opposite upper extension portion 31 at a position opposite to the upper extension portion 21 of the above-mentioned air suction housing base 20 , and at the position opposite to the above-mentioned air chamber space 22, 23, a relative air suction port 32 and an air discharge port 33, and an air guide groove 34 opposite to the air guide groove 24 are provided; There are a plurality of opposite lugs with through holes 36, so that after the air suction housing cover 30 and the air suction housing base 20 are merged, a plurality of bolts 37 can be locked into the screw holes 26 through the through holes 36 to integrate the two together.

In the preferred embodiment shown in the figure, the utility model further locks an air guide shell cover 50 on the front end surface of the upper extension part 31 of the above-mentioned air suction shell cover 30, and the air guide shell cover 50 is connected to the above air suction port 32 A suction pipe 52 and an air discharge pipe 53 are respectively provided on the front end surface opposite to the air outlet 33 . In this embodiment, the rear end surface 51 of the air guide shell cover 50 is attached to the front end surface of the upper extension part 31, and bolts 57 pass through the through hole 55 and the through hole 56 of a matching washer 54 to lock. The screw hole 35 on the front end surface of the upper extension part 31 is positioned and combined.

The above-mentioned suction pipe 52 can therefore be connected to the suction hose 97 and the suction collection device 98 in the sewing machine structure shown in FIG. 1 in the assembled state of the integral components.

The above-mentioned structure is that after the impeller 40 and its plurality of blades 41 are assembled in a specific direction, the suction duct 52 and the exhaust duct 53 as described above are formed with the rotation of the motor shaft 13; When rotating in the opposite direction, it becomes the exhaust pipe and suction pipe in the opposite direction.

The utility model thus forms a common motor structure for sewing machine driving and air suction, which can be used as a power source for driving the sewing machine and the thread scrap suction and collection device under a single motor body, which not only simplifies the structure, Reducing the space it occupies can more effectively reduce related costs, and is indeed practical and of industrial use value.

The above-mentioned embodiments are only used to illustrate the utility model for convenience, rather than to limit it. Without departing from the spirit of the utility model, various simple changes and modifications that can be made by those skilled in the art should still be included in the rights. within the scope of the request.

Claims (3)

1. a sewing machine drives and air draught common type motor configuration, it is characterized in that, contains a motor body, is provided with rotating shaft and belt pulley in said motor main body one side, is sent to sewing machine for power; Be provided with the air intake device that is driven by above-mentioned rotating shaft opposite side in said motor main body opposite side, above-mentioned air intake device comprises that the impeller by two relative air draught shell blocks, air draught cap and inside thereof is constituted; Above-mentioned air draught shell block is made as the ring-type that cooperates above-mentioned impeller, contains a medium pore, and its back side is locked in said motor main body opposite side end face, makes above-mentioned rotating shaft opposite side expose the winding impeller by above-mentioned medium pore; Above-mentioned air draught shell block is provided with a wind-guiding ditch in a plurality of blades position that cooperates above-mentioned impeller, and forms the air compartment space respectively in these wind-guiding ditch two ends; Above-mentioned air draught cap is made as the relative shape that cooperates above-mentioned air draught shell block, and it is being provided with relative inlet scoop and exhaust outlet with above-mentioned air compartment relative space position, and with the relative wind guide tank of above-mentioned wind-guiding ditch; The above-mentioned air draught cap back side and air draught shell block front end face and setting up jointly connects.

2. sewing machine according to claim 1 drives and air draught common type motor configuration, and it is characterized in that: above-mentioned air draught shell block and air draught cap are provided with goes up extension relatively, for being oppositely arranged above-mentioned air compartment space, inlet scoop and exhaust outlet.

3. sewing machine according to claim 1 and 2 drives and air draught common type motor configuration, it is characterized in that: above-mentioned air draught cap is in front end face relative position interlocking one wind-guiding cap, and the front end face that this ventilation case is placed on above-mentioned inlet scoop and exhaust outlet relative position is respectively equipped with an aspiration channel and an exhaust duct.

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