CN2179876Y

CN2179876Y - Improved structure of pedal of sewing machine

Info

Publication number: CN2179876Y
Application number: CN 93235689
Authority: CN
Inventors: 毛三龙
Original assignee: Individual
Current assignee: Individual
Priority date: 1993-12-29
Filing date: 1993-12-29
Publication date: 1994-10-19
Anticipated expiration: 2003-12-29

Abstract

The utility model relates to an improved structure of pedal of sewing machine. A connecting block which can be connected with the connecting rod of a machine body is positioned at front of a pedal. Circular shaft holes on both sides of the pedal is jogged with shaft sleeve holes on the vertical face of an L-shaped fixed frame. The bottom of the horizontal face of the fixing bracket is extended with a positioning block which is provided with a through hole that is provided with a screw nut inside and the screw nut is firmly fixed in a sliver hole on a bottom cross plate. One side of a supporting frame is provided with a convex lug with through holes for storing tools. The lower part of the supporting frame is provided with a U-shaped frame and rolling wheels. The bottom and the rear side of the supporting frame are provided with positioning slots which are provided with screw nuts inside and are fixed on a bottom cross plate and a rear cross plate by screws.

Description

Improved structure of pedal of sewing machine

The utility model relates to a kind of structure-improved of sewing machine pedal, belongs to the technical field of sewing machine pedal annex.

Sewing machine pedal structure commonly used is (referring to Fig. 1; 2); mainly be to be provided with shrinkage pool 11 at pedal 1 left and right sides "; and a L shaped template 3 ' is arranged in its place ahead; the screwed hole 12 ' position that L template 3 ' is gone up corresponding to pedal 1 '; be provided with open-work 31 '; be fixed in the place ahead of pedal 1 ' by screw 33 '; the left vertical of L template 3 ' partly is provided with open-work 32 '; penetrate and pass the open-work 41 ' of connecting rod 4 ' by screw 34 '; be fixed into one with nut 35 '; the sewing machine that this structure only is fit to the fixed single machine uses; if run into the different sewing machine body of type; because operating personnel are customary inequality; and control the running of motor with a left side or right crus of diaphragm pushes pedals 1 '; therefore usually cause people to yield to machine; operational the habit usually can be taken place passes through; cause injury danger out of control accidentally; often there is a little pedal (not shown) on the pedal 1 ' side of sewing machine in addition; this little pedal is mainly used in the pressing plate action cramping cloth on the sewing machine; just as recited above; be subjected to the restriction of user's use habit; usually can move on the bottom cross plate 5 ' of the solid side in a left side that is fixed on pedal 1 ' left or rightly; normally will be locked in the open-work 32 ' of L template 3 ' and the screw 34 ' on connecting rod 4 ' the end open-work 41 '; nut 35 ' is loosened; equally also with screw 33 '; by mode represented among the 3rd figure pedal 1 ' is moved on to the left side by unscrewing in L type 3 ' and pedal 1 ' last open-work 31 ' and the screw 12 ' again; and behind the L template 3 ' counter steer; just can utilize screw 34 '; 33 ' nut 35 ' passes the open-work 32 ' on L template 3 ' and the connecting rod 4 '; 41 '; 31 lockings, the assembling demolition process of the L template 3 before the pedal 1 therefore commonly used is all very loaded down with trivial details.

In addition, referring to Fig. 4, the L type fixed mount 2 ' of the circular shaft hole 11 ' of pedal 1 ' left and right sides on the strip hole 51 ' of end template 5 ' utilizes it vertically partly to agree round-meshed axial region 22 ', wears in the circular shaft hole 11 ' that is embedded in pedal 1 ', make pedal 1 ' can before and after movable, and the open-work 23 ' afterbody of L type fixed mount 2 ' is established the location-plate 21 ' of a square sheet in addition, can insert in the strip hole 51 ' of bottom cross plate 5 ', uses screw 24 ' again, pad 25 ', 26 ', nut 27 ' is fixing.But the contact area of the strip hole 51 ' total length on location-plate 21 ' and the bottom cross plate 5 ', the thickness (" A " is represented among Fig. 4) that has only location-plate 21 ' itself, therefore deflection before and after taking place easily, cause the vertical place axial region 22 ' of L type fixed mount 2 ' that the deflection that axle closes angle also takes place, thereby fasten the circular shaft hole 11 ' of pedal 1 ' left and right sides, make pedal 1 ' stuck or to trample operation dumb, even the damage dress material that takes place to stop, and generation personal injury accident, long-term unresolved this problem is demanded urgently improving.

The purpose of this utility model is the structure-improved that a kind of sewing machine pedal will be provided, it can overcome above-mentioned shortcoming, pedal can be done the connection of left and right sidesing shifting with sewing machine connecting rod change in location, can be suitable for the operating personnel that use left and right sides pin to trample, the structure that changes fixed mount increases its steadiness, can prevent the stuck situation of fixed mount generation deflection or pedal.

Fig. 1 is the three-dimensional partial exploded view of sewing machine pedal structure commonly used.

Fig. 2 is the three-dimensional combination figure of sewing machine pedal structure commonly used.

Fig. 3 A is that connecting rod is connected the conversion schematic diagram with pedal.

Fig. 3 B is that connecting rod is connected the conversion schematic diagram with pedal.

Fig. 4 is compound section figure between sewing machine pedal commonly used and L type fixed block and transverse slat.

Fig. 5 is the structure improved exploded enlarged drawing of sewing machine pedal.

Fig. 6 is the structure improved three-dimensional combination figure of sewing machine pedal.

Fig. 7 is the structure improved support cutaway view of sewing machine pedal.

Fig. 8 is the schematic diagram that pedal is connected with connecting rod.

The schematic diagram of Fig. 9 for concerning between pedal and fixed block and transverse slat.

Now in conjunction with the accompanying drawings the structure-improved of sewing machine pedal is described in detail.

By Fig. 5,6, there is a body containing hole 61 in sewing machine platform 6 central authorities, body 11 can be placed on it, there is a support 62 sewing machine platform 6 belows, below support 62, reach rear side and be provided with bottom cross plate 5 and back transverse slat 10, bottom cross plate central authorities are provided with a plurality of strip holes 51, are used for fixing pedal 8 and L type fixed mount 9, and the two ends of bottom cross plate 5 have open-work 52 usefulness screws 53 to be fixed in support 62 bottoms to bottom cross plate 5; Then transverse slat 10 is smooth shapes, and all there is locating slot 101 at back transverse slat 10 two ends, bottom land porose 102, also there is corresponding locating slot 10 lower end, support 62 rear portion, and being embedded with nut 101, or screwed hole, can be fixed on the support 62 with the hole 102 and the nut 101 of screw 702 by back transverse slat 10.

Pedal 8 is contained in to tramp with one's feet on the bottom cross plate 5 and steps on it and can control motor rotations in the body 11, pedal 8 surfaces are provided with the outstanding bar 81 of on-slip, pedal 8 the place aheads are a plurality of, integrally formed contiguous block 83, and in the place of contiguous block 83 near the end, be provided with the screw 84 that laterally runs through, nut 43 passes connecting rod 4 ends that are connected on the body 11, and with the locking that is coupling, pedal 8 addendum cone both sides are provided with circular shaft hole 82, having axle sleeve hole 92 on the perpendicular end surface of L type fixed mount 9 can wear and be embedded in the hole 82, the locating piece 91 of a rectangular bars iron is extended at the place, below of the horizontal end face of L type fixed mount 9 by the direction of lateral perpendicular end surface, and the horizontal end face of these locating piece 9 sides is provided with an open-work 93, nut 27 is embedded in the open-work 93, utilize screw 24 pads 25 can be fixed on the strip hole 51 of bottom cross plate 5, at this moment in the also simultaneously chimeric strip hole 51 that is embedded in bottom cross plate of locating piece 92.

By Fig. 7, one side of support 62 has lug 69, these lug 69 central authorities also are provided with an open-work 691, be used to place and repair the adjustment instrument and on one's body the frame of support 62 belows and rear side, be respectively equipped with locating slot 70 Embeded nut 701 in groove, making bottom cross plate 5 rear pattern plates 10 can aim at these locating slot 70 interior cover-use screws of embedding apace fixes, four jiaos of support 62 belows are respectively equipped with is equipped with roller 64 in 63 on the U type frame and makes the whole conveniently moving of sewing machine, (promptly a side is provided with the place ahead of the U type frame 63 of roller 64) is provided with open-work 65 in addition and pass in support 62 the place aheads, it is fixing with nut 68 and support filament 69 again that the hole is built-in with nut 66 outsides, is mainly used to the location and adjusts height.

By Fig. 8, when running into the operator because of use left foot or right crus of diaphragm pushes pedals, just must left and rightly move its pedal 8, at this moment can unclamp screw and the nut 43 of removing connecting rod 4 lower ends, by the position of representing among the figure pedal 8 is moved to the left again, choose suitable contiguous block 83 again, make screw that its end screw 84 aligns connecting rod 4 lower ends again screw and nut 43 lockings, pedal 8 the place aheads are provided with several contiguous blocks 83, just can make things convenient for the mobile levelling of pedal about 8, at this moment also L type template 3 should be turned to displacement (shown in Fig. 3 A, B), just can reach requirement.

By Fig. 9, all there is circular shaft hole 82 pedal 8 both sides, so when L type fixed block 9 is fixed in bottom cross plate 5, the axle sleeve hole 92 of its vertical plane setting can be embedded in the circular shaft hole 82, and the strip fixed block 91 of fixed mount 9 and L type fixed mount 9 horizontal planes below drawdown is embedded in the strip hole 51 of bottom cross plate 5, utilize screw 24, pad 25, the nut 27 that is embedded in the open-work 93 can be fixed in fixed mount 9 on the strip hole 51, because locating piece 91 is chimeric when being contained in strip hole 51, the fixedly contact area (shown in the arrow B) of itself and rectangular sub 51 total lengths increases, thereby relatively increased the steadiness of L type fixed mount 9, thereby also can not make the also unlikely generation pedal of other end generation deflection situation of axle sleeve hole 92 can not flexible operating, even stuck situation.

Compared with prior art, the structure-improved of this sewing machine pedal has following advantage.

1, can change connecting rod and pedal position by the custom of operating personnel with left foot or right crus of diaphragm pushes pedals.

2, pedal can not take place can not flexible operating, perhaps stuck phenomenon.

3, the fixedly contact area of L type fixed mount and bottom cross plate strip hole total length increases, and relatively increases the steadiness of fixed mount.

4, support one side lug, and open-work is arranged, be used for placing the adjustment instrument of repairing.

5, there are U type frame and roller, conveniently moving in the support below for four jiaos.

6, there is open-work in support the place ahead, and nut is arranged in the hole, and height is adjusted in available support screw location.

Claims

1, a kind of structure-improved of sewing machine pedal, it is characterized in that sewing machine platform (1), central authorities' organism containing hole (61), body (11) can be placed on it, tiltedly there is support (62) the ride below, pedal (8) the place ahead has integrated contiguous block (83), and be provided with screw (84) near the place, end, pass connecting rod (4) end that is connected on the body (11) by nut (43), there is circular shaft hole (82) pedal (8) the addendum cone both sides that locked, there is axle sleeve hole (92) can be embedded in the hole (82) on L type fixed mount (9) perpendicular end surface, there is locating piece the horizontal end face of L type fixed mount (9) below, and open-work (93) is arranged on the horizontal end face of its side, buries in the hole with nut (27), can be fixed in screw (24) pad (25) on the surplus hole of length (51) of bottom cross plate (8), locating piece also is embedded in the strip hole (51).

2, structure-improved according to claim 1, it is characterized in that support (62) one sides have lug (69), its central part also has the frame of open-work (691) support (62) below and rear side that locating slot (70) is all arranged on one's body, be embedded with nut (701) in the groove, with screw fixedly bottom cross plate (5) and the back transverse slat (10).

3, according to claim 1,2 described structure-improveds is characterized in that support (62) below all has in U type frame (63) frame for four jiaos roller (64) is housed, support (62) the place ahead has open-work (65) in addition, nut (66) is arranged in the hole, and there is nut (68) outside, and is fixing with screw (69).