CN206570516U - A kind of stable tension disk on sewing machine - Google Patents

Abstract

The utility model discloses a kind of stable tension disk on sewing machine, and it is combined by clamp adjustment seat, tension releasing pin, clamp screw, front and rear clamp, thread tension releasing disc, clamp spring, check plate and tension regulating thumb nut.The purpose of this utility model is to provide a kind of stable tension disk on sewing machine, and simple in construction, stability is good, it is adaptable to a variety of springs.

Description

A kind of stable tension disk on sewing machine

Technical field

The utility model belongs to sewing machine accessory field, specially a kind of stable tension disk on sewing machine.

Background technology

Sewing machine belongs to conventional sewing process equipment, and the operation principle of sewing machine is to drive crochet hook to move by shuttle, So as to which the upper thread of upside and the bottom line of downside are combined so that object sewing be got up；Due to different objects and used line Material, size is inconsistent, so as to cause the coefficient of friction of thing, line to produce change, while the tension force of upper thread and bottom line can also be produced Change, can produce stitching defect or can not sew；Now need to adjust by the tension disk on sewing machine upper thread tension force and Elasticity, makes sewing function normal work.

The front and rear clamp of existing tension disk is separate part, both plane contacts, clamp before and after easily occurring Loosen, stability is slightly worse；And the spring inside tension disk is difficult to exchange, suitability is poor.

Utility model content

The purpose of this utility model is that there is provided a kind of stable tension disk on sewing machine, structure for problem above Simply, stability is good, it is adaptable to a variety of springs.

To realize object above, the technical solution adopted in the utility model is：It includes clamp adjustment seat（1）, the folder Line adjustment seat（1）Central axis, which is provided with through hole, through hole, is provided with cylindrical tension releasing pin（2）；The clamp adjustment seat（1）On It is provided with thread take-up spring（101）And clamp adjustment seat screw（102）；The clamp adjustment seat（1）Rear end is provided with preceding clamp （3）, clamp screw（4）；The clamp screw（4）By left and right, semicircle is combined, and the left and right semicircle spacing is oppositely arranged；Institute State preceding clamp（3）It is placed on clamp screw（4）On；The preceding clamp（3）Rear end is provided with boss（301）；The boss （301）Rear clamp is cased with outside（5）；The rear clamp（5）Rear end is placed with thread tension releasing disc（6）, the thread tension releasing disc（6）For spill Structure, the thread tension releasing disc（6）Multiple necks are equidistantly offered on the wall of side（601）, the thread tension releasing disc（6）Rear end is provided with taper Platform（602）；The clamp screw（4）It is cased with clamp spring outside（7）, the clamp spring（7）With thread tension releasing disc（6）Contact；It is described Clamp spring（7）Rear end is provided with check plate（8）；The check plate（8）Rear end is provided with tension regulating thumb nut（9）, the clamp spiral shell It is female（9）Front center position is provided with cone tank, and the cone tank center, which is provided with, to be used for and clamp screw（4）The screw thread being spirally connected Through hole 901.

Further, preceding clamp（3）Side wall rear end, rear clamp（5）Side wall front end is arc surface.

Further, tension releasing pin（2）Rear end is provided with rectangle bearing.

Further, the clamp screw（4）Leading portion is smooth section, and back segment is thread segment.

Further, tension regulating thumb nut（9）Rear end is provided with the elastic mark of rotation.

The beneficial effects of the utility model：The utility model provides a kind of stable tension disk on sewing machine, knot Structure is simple, and stability is good, it is adaptable to a variety of springs.

1：Before clamp is placed on afterwards on clamp, it is difficult to rock and shifts.

2：Neck is provided with thread tension releasing disc, can be used in blocking the clamp spring that diameter is more than thread tension releasing disc.

3：Cone tank is provided with tension regulating thumb nut, it is convenient to be aligned with clamp screw.

Brief description of the drawings

Fig. 1 is dimensional structure diagram of the present utility model.

Fig. 2 is the utility model side view.

Fig. 3 is the utility model sectional view.

Fig. 4 is preceding clamp dimensional structure diagram.

Fig. 5 is thread tension releasing disc rear perspective structural representation.

Label character is expressed as described in figure：1st, clamp adjustment seat；2nd, tension releasing pin；101st, thread take-up spring；102nd, clamp is adjusted Save seat screw；3rd, preceding clamp；4th, clamp screw；301st, boss；5th, rear clamp；6th, thread tension releasing disc；601st, neck；602nd, taper Platform；7th, clamp spring；8th, check plate；9th, tension regulating thumb nut；901st, tapped through hole.

Embodiment

In order that those skilled in the art more fully understand the technical solution of the utility model, below in conjunction with the accompanying drawings to this reality Be described in detail with new, the description of this part be only it is exemplary and explanatory, should not be to protection domain of the present utility model There is any restriction effect.

As Figure 1-Figure 5, concrete structure of the present utility model is：It includes clamp adjustment seat 1, the clamp adjustment seat 1 central axis, which is provided with through hole, through hole, is provided with cylindrical tension releasing pin 2；Thread take-up spring is provided with the clamp adjustment seat 1 101 and clamp adjustment seat screw 102；The rear end of clamp adjustment seat 1 is provided with preceding clamp 3, clamp screw 4；The clamp Screw 4 is combined by left and right semicircle, and the left and right semicircle spacing is oppositely arranged；The preceding clamp 3 is placed on clamp screw 4 On；The rear end of preceding clamp 3 is provided with boss 301；Rear clamp 5 is cased with outside the boss 301；After the rear clamp 5 End is placed with thread tension releasing disc 6, and the thread tension releasing disc 6 is equidistantly to offer multiple necks on concave structure, the side wall of thread tension releasing disc 6 601, the rear end of thread tension releasing disc 6 is provided with taper platform 602；Clamp spring 7, the clamp spring 7 are cased with outside the clamp screw 4 Contacted with thread tension releasing disc 6；The rear end of clamp spring 7 is provided with check plate 8；The rear end of check plate 8 is provided with tension regulating thumb nut 9, The front center position of tension regulating thumb nut 9 is provided with cone tank, and the cone tank center is provided with for being spirally connected with clamp screw 4 Tapped through hole 901.

It is preferred that, the preceding side wall rear end of clamp 3, the rear side wall front end of clamp 5 is arc surface.

It is preferred that, the rear end of tension releasing pin 2 is provided with rectangle bearing.

It is preferred that, the leading portion of clamp screw 4 is smooth section, and back segment is thread segment.

It is preferred that, the rear end of tension regulating thumb nut 9 is provided with the elastic mark of rotation.

The utility model provides a kind of stable tension disk on sewing machine, by rotating tension regulating thumb nut 9, adjustment folder The degree of compression of wire spring 7, so that the pressure that clamp 5 is fitted with preceding clamp 3 after controlling；Tension disk reaches of adjustment upper thread The application target of power and elasticity.

It should be noted that herein, term " comprising ", "comprising" or its any other variant are intended to non-row His property is included, so that process, method, article or equipment including a series of key elements not only include those key elements, and And also including other key elements being not expressly set out, or also include for this process, method, article or equipment institute inherently Key element.

Specific case used herein is set forth to principle of the present utility model and embodiment, above example Illustrate that being only intended to help understands method of the present utility model and its core concept.Described above is only of the present utility model preferred Embodiment, it is noted that due to the finiteness of literal expression, and objectively there is unlimited concrete structure, for this technology For the those of ordinary skill in field, on the premise of the utility model principle is not departed from, some improvement, retouching can also be made Or change, above-mentioned technical characteristic can also be by rights combined；These improve retouching, change or combined, or not It is improved that the design of utility model and technical scheme are directly applied into other occasions, it is regarded as protection of the present utility model Scope.

Claims (4)

1. a kind of stable tension disk on sewing machine, it includes clamp adjustment seat（1）, it is characterised in that the clamp is adjusted Save seat（1）Central axis, which is provided with through hole, through hole, is provided with cylindrical tension releasing pin（2）；The clamp adjustment seat（1）It is upper to set There is thread take-up spring（101）And clamp adjustment seat screw（102）；The clamp adjustment seat（1）Rear end is provided with preceding clamp（3）、 Clamp screw（4）；The clamp screw（4）By left and right, semicircle is combined, and the left and right semicircle spacing is oppositely arranged；Before described Clamp（3）It is placed on clamp screw（4）On；The preceding clamp（3）Rear end is provided with boss（301）；The boss（301）Outside It is cased with rear clamp（5）；The rear clamp（5）Rear end is placed with thread tension releasing disc（6）, the thread tension releasing disc（6）For concave structure, institute State thread tension releasing disc（6）Multiple necks are equidistantly offered on the wall of side（601）, the thread tension releasing disc（6）Rear end is provided with taper platform （602）；The clamp screw（4）It is cased with clamp spring outside（7）, the clamp spring（7）With thread tension releasing disc（6）Contact；The folder Wire spring（7）Rear end is provided with check plate（8）；The check plate（8）Rear end is provided with tension regulating thumb nut（9）, the tension regulating thumb nut （9）Front center position is provided with cone tank, and the cone tank center, which is provided with, to be used for and clamp screw（4）The screw thread being spirally connected leads to Hole 901.

2. a kind of stable tension disk on sewing machine according to claim 1, it is characterised in that preceding clamp（3） Side wall rear end, rear clamp（5）Side wall front end is arc surface.

3. a kind of stable tension disk on sewing machine according to claim 1, it is characterised in that tension releasing pin（2）Afterwards End is provided with rectangle bearing.

4. a kind of stable tension disk on sewing machine according to claim 1, it is characterised in that the clamp screw （4）Leading portion is smooth section, and back segment is thread segment.