CN201151808Y

CN201151808Y - Clutch type manual drive apparatus for sewing machines

Info

Publication number: CN201151808Y
Application number: CNU200720309361XU
Authority: CN
Inventors: 李�和
Original assignee: JINGJI MACHINERY FACTORY CO Ltd
Current assignee: JINGJI MACHINERY FACTORY CO Ltd
Priority date: 2007-12-24
Filing date: 2007-12-24
Publication date: 2008-11-19
Anticipated expiration: 2017-12-24

Abstract

The utility model relates to a clutch type manual driving device of a sewing machine, which is characterized by comprising a first clutching component, a second clutching component and a spring component; wherein, the first clutching component is nested on the rotary shaft of the driving motor of the sewing machine in order to be driven by the rotation of the rotary shaft of the driving motor; the second clutching component includes a shaft rod which is slidingly nested in a shaft hole, the first end of the shaft rod is connected with an engaging disk in order to be correspondingly engaged with the first clutching component, and the second end of the shaft rod is connected with a handle; the spring component usually pushes the engaging disk of the second clutching component to be separated from the first clutching component, so that the first clutching component and the second clutching component are not linked with each other. The clutch type manual driving device can avoid injury and reduce the load of the driving motor, so that the product can save more electricity.

Description

The clutch type manual driving device of Sewing machines

Technical field

The utility model relates to a kind of Sewing machines, relates in particular to a kind ofly avoiding producing injury, and can reduce the load of CD-ROM drive motor, makes the more clutch type manual driving device of the Sewing machines of power saving of product.

Background technology

The Sewing machines that is disclosed at present; after normally driving a driving shaft by a CD-ROM drive motor; with the following pin of interlock suture needle, the mechanisms such as tension of going up pin and other suture, because in the process of sewing, often because of high-speed motion; cause suture to be torn or the suture needle fracture; at this moment, just must be under the state of shutting down, by the rotating shaft of manual rotation drive motor; adjust position, carry out work such as threading for the operator as suture needle.

As Fig. 5 and shown in Figure 6,, be to contain a housing 61 at present in order to rotating shaft 21 devices of the CD-ROM drive motor 20 of manual adjustment Sewing machines, be locked in a side of this CD-ROM drive motor 20, on this housing 61, be equipped with an axis hole 611; One is connected axle 62, is placed through in the axis hole 611 of this housing 61, and first end 621 of this linking axle 62 is the rotating shafts 21 that are connected in this CD-ROM drive motor 20, and its second end 622 is to connect leader portion 623; Just can reach the purpose of the rotating shaft 21 of manual rotation drive motor 20 by this handle portion 623 of rotation.Yet, in the above-mentioned existing structure, this linking axle 62 is to be engaged at ordinary times in the rotating shaft 21 of CD-ROM drive motor 20, therefore when the Sewing machines proper motion, the rotating shaft 21 of CD-ROM drive motor 20 still can drive and be connected axle 62 rotations, even the handle portion 623 that also exposes housing 61 outside also rotates at a high speed in the lump, except easy generation twisted wire or cause the problems such as the operator is injured, load when also increasing CD-ROM drive motor 20 actions has improved necessity and show.

The utility model content

Technical problem underlying to be solved in the utility model is, overcomes the above-mentioned defective that prior art exists, and a kind of clutch type manual driving device of Sewing machines is provided, and injures to avoid producing, and can reduce the load of CD-ROM drive motor, makes more power saving of product.

The technical scheme that its technical problem that solves the utility model adopts is:

A kind of clutch type manual driving device of Sewing machines is characterized in that comprising: first clutch component is socketed on the rotating shaft of the CD-ROM drive motor of Sewing machines, with the rotating shaft rotation of linkage driving motor; Second clutch component contains an axostylus axostyle, and sliding sleeve is in an axis hole, and first end in this axostylus axostyle is provided with mesh plate, meshing this first clutch component accordingly, and connects leader portion in second end of this axostylus axostyle; Spring member, the mesh plate that makes this second clutch component at ordinary times be away from this first clutch component pushing tow, and make both interlocks mutually.

The clutch type manual driving device of aforementioned Sewing machines, wherein further contain a housing, be locked in an end of the CD-ROM drive motor of Sewing machines, and in the mesh plate of first clutch component and second clutch component is surrounded on, and on this housing, be equipped with axis hole for the axostylus axostyle sliding sleeve of second clutch component.

The clutch type manual driving device of aforementioned Sewing machines, wherein further contain a housing, be locked on the body of Sewing machines, and the mesh plate of first clutch component and second clutch component is surrounded, on this housing, be equipped with axis hole for the axostylus axostyle sliding sleeve of second clutch component.

The clutch type manual driving device of aforementioned Sewing machines, first clutch component wherein, be to contain a plurality of engaging grooves, and on the mesh plate of this second clutch component, be equipped with a plurality of prominent pins, make this second clutch component behind this first clutch component convergence, this each prominent pin is inserted in the engaging groove of first clutch component respectively accordingly, makes this first clutch component rotation that can link of this second clutch component.

Move this second clutch component when pressure, make its mesh plate mesh this first clutch component after, just can be and the rotating shaft of the CD-ROM drive motor of this Sewing machines that links rotation by rotating handles portion.

The clutch type manual driving device of Sewing machines of the present utility model, wherein in order to first and second clutch component of the rotating shaft of the CD-ROM drive motor that turns Sewing machines, be subjected to the effect of spring member at ordinary times and separate, promptly do not link mutually each other, therefore when the CD-ROM drive motor of Sewing machines starts rotation, can't drive this second clutch component and be exposed at the outer handle portion rotation of housing, to avoid producing injury, and can reduce the load of CD-ROM drive motor, make more power saving of product.

Description of drawings

Below in conjunction with drawings and Examples the utility model is further specified.

Fig. 1 is the perspective exploded view of the utility model and CD-ROM drive motor.

Fig. 2 is the schematic perspective view after the utility model is assembled in CD-ROM drive motor.

Fig. 3 is the part sectioned view at 3-3 shown in Figure 2 position.

Fig. 4 is that the utility model makes the intermeshing view of first and second clutch component.

Fig. 5 is the existing schematic perspective view of manually adjusting the CD-ROM drive motor device.

Fig. 6 is the part sectioned view at 6-6 shown in Figure 5 position.

The number in the figure explanation:

10 first clutch components, 11 engaging grooves, 20 CD-ROM drive motors

21 rotating shafts, 30 second clutch components, 31 axostylus axostyles

32 mesh plates, 321 prominent pin 33 handle portions

40 spring members, 41 spring ends, 42 spring ends

50 housings, 51 axis holes, 61 housings

611 axis holes 62 are connected axle 621 first ends

622 second ends, 623 handle portions

The specific embodiment

See also Fig. 1 to shown in Figure 4, the utility model comprises relevant for a kind of clutch type manual driving device of Sewing machines: first clutch component 10 is socketed on the rotating shaft 21 of the CD-ROM drive motor 20 of Sewing machines, with rotating shaft 21 rotations of linkage driving motor 20; Second clutch component 30 contains an axostylus axostyle 31, and sliding sleeve is in an axis hole 51, and first end in this axostylus axostyle 31 is provided with mesh plate 32, meshing this first clutch component 10 accordingly, and connects leader portion 33 in second end of this axostylus axostyle 31; Spring member 40, the mesh plate 32 that makes this second clutch component 30 at ordinary times be away from this first clutch component 10 pushing tow, and make both interlocks mutually; When passing this second clutch component 30, make its mesh plate 32 these first clutch components 10 of engagement after, just can be by rotating shaft 21 rotations of the CD-ROM drive motor 20 of rotating handles portion 33 these Sewing machiness of interlock.

The clutch type manual driving device of the utility model Sewing machines, further contain a housing 50, be locked in an end of the CD-ROM drive motor 20 of Sewing machines, and the mesh plate 32 of first clutch component 10 and second clutch component 30 surrounded, and on this housing 50, be equipped with axis hole 51 for axostylus axostyle 31 sliding sleeves of second clutch component 30.Above-mentioned housing 50 also can be locked on the body of Sewing machines with modifying.

This first clutch component 10, contain a plurality of engaging grooves 11, and on the mesh plate 32 of this second clutch component 30, be to be equipped with a plurality of prominent pins 321, make this second clutch component 30 behind these first clutch component, 10 convergences, each prominent pin 321 is inserted in respectively in the engaging groove 11 of first clutch component 10 accordingly, makes the operator when manually rotating this second clutch component 30, can these first clutch component, 10 rotations of synchronous interaction.Certainly the utility model can also be provided with a plurality of prominent pins in this first clutch component 10 with modifying, and a plurality of engaging grooves are set on the mesh plate 32 of this second clutch component 30, the utility model does not limit the counter structure of this first and

second clutch component

10,30 in order to engagement.

As shown in Figures 2 and 3, this spring member 40, its both sides spring end the 41, the 42nd relies on 33 of the handle portions of this housing 50 and second clutch component 30, and second clutch component 30 is passed towards the direction away from first clutch component 10, and first and

second clutch component

10,30 is not meshing with each other.

First and

second clutch component

10,30 in order to the rotating shaft 21 of the CD-ROM drive motor 20 that turns Sewing machines, owing to the effect that is subjected to spring member 40 at ordinary times separates, promptly do not mesh each other, link, therefore when the CD-ROM drive motor 20 of Sewing machines starts rotation, 10 rotations of first clutch component only can link, can't drive this second clutch component 30 and be emerging in housing 50 handle portions 33 rotations outward, remove and avoid strand to go into suture, cloth or generation injury, and can reduce the load of CD-ROM drive motor 20, make more power saving of product.

When using the utility model; when the user need carry out the correction of Sewing machines or thread a needle work; can be under stopped status; by towards convergence first clutch component 10 directions; pass this second clutch component 30; as shown in Figure 4; make first; two clutch components 10; 30 be engaged with each other after; the handle portion 33 of just rotatable this second clutch component 30; rotate the rotating shaft 21 of the CD-ROM drive motor 20 that is connected by first clutch component 10 with interlock, and then Sewing machines is slowly moved, to carry out work as threading; after finishing; as long as the user unclamps this handle portion 33, just can make this second clutch component 30 towards direction slippage by the elasticity involution of spring member 40 away from first clutch component 10; as shown in Figure 3; make first; two clutch components 10; 30 separate, and no longer are engaged with each other, in the aforesaid operations process; the operator does not need numerous and diverse operating procedure, so the utility model is also very convenient in operation.

The above, it only is preferred embodiment of the present utility model, be not that the utility model is done any pro forma restriction, every foundation technical spirit of the present utility model all still belongs in the scope of technical solutions of the utility model any simple modification, equivalent variations and modification that above embodiment did.

In sum, the utility model is on structural design, use practicality and cost benefit, it is required to meet industry development fully, and the structure that is disclosed also is to have unprecedented innovation structure, have novelty, creativeness, practicality, the regulation that meets relevant novel patent requirement is so mention application in accordance with the law.

Claims

1. the clutch type manual driving device of a Sewing machines is characterized in that comprising:

First clutch component is socketed on the rotating shaft of the CD-ROM drive motor of Sewing machines, with the rotating shaft rotation of linkage driving motor;

Second clutch component contains an axostylus axostyle, and sliding sleeve is in an axis hole, and first end in this axostylus axostyle is provided with mesh plate, meshing this first clutch component accordingly, and connects leader portion in second end of this axostylus axostyle;

Spring member, the mesh plate that makes this second clutch component at ordinary times be away from this first clutch component pushing tow, and make both interlocks mutually.

2. according to the clutch type manual driving device of the described Sewing machines of claim 1, it is characterized in that: further contain a housing, be locked in an end of the CD-ROM drive motor of Sewing machines, and in the mesh plate of first clutch component and second clutch component is surrounded on, and on this housing, be equipped with axis hole for the axostylus axostyle sliding sleeve of second clutch component.

3. according to the clutch type manual driving device of the described Sewing machines of claim 1, it is characterized in that: further contain a housing, be locked on the body of Sewing machines, and the mesh plate of first clutch component and second clutch component surrounded, on this housing, be equipped with axis hole for the axostylus axostyle sliding sleeve of second clutch component.

4. according to the clutch type manual driving device of the described Sewing machines of claim 1, it is characterized in that: described first clutch component, be to contain a plurality of engaging grooves, and on the mesh plate of this second clutch component, be equipped with a plurality of prominent pins, make this second clutch component behind this first clutch component convergence, this each prominent pin is inserted in the engaging groove of first clutch component respectively accordingly.