CN201001656Y

CN201001656Y - Safety protecting device for food mixing machine

Info

Publication number: CN201001656Y
Application number: CNU2006201414931U
Authority: CN
Inventors: 孙善庆
Original assignee: Individual
Current assignee: Individual
Priority date: 2006-12-26
Filing date: 2006-12-26
Publication date: 2008-01-09
Anticipated expiration: 2016-12-26

Abstract

The utility model discloses a safe protection device for the food mixer which comprises a base, a mixing cup, a circuit, a trimming switch, a fixation base and a base for the lower part of the mixing cup to get screwed therein, wherein the fixation base is fixed on the upper part of the base; the sidewall of the fixation base is provided with a hole communicated with the base; the hole is articulated with a handspike; the outer end of the handspike and the inner wall of the base are provided with an elastic part; the base can be contained and limited in the fixation base; the base sidewall is provided with a dent; the upper end of the movable inserted plate is rotationally connected to the upper part of the dent; the outside of the movable inserted plate contacts the handspike and the inside matches the lower end of the mixing cup; the base is provided with a transmission lever thereby; the mid part of the transmission is rotationally connected into the base; the upper end of the transmission lever contacts the upper end of the handspike; and the lower end of the transmission handspike and the trimming switch contact point directly or indirectly contact. By using the device, when the mixing cup is positioned on the base and fails to be in place, even the switch is on the mixer will not work, so the use is safe and stable.

Description

The safety guard of agitator for food-making

Technical field

The utility model relates to a kind of safety guard, relates in particular to a kind of safety guard that is used on the agitator for food-making.

Background technology

It generally is made up of existing agitator for food-making jar, pedestal, be provided with the circuit of transmission mechanism, the work of control transmission mechanism in the pedestal, the power transmission shaft that is provided with blade in the jar and can links to each other with transmission mechanism in the pedestal, generally also be covered with lid at stirring rim of a cup place, blade is arranged on the power transmission shaft, and can rotate with power transmission shaft.During work, food is put into jar, and jar is placed on the pedestal, at this moment, the power transmission shaft in the jar links to each other with transmission mechanism, and then cover lid is opened switch, and transmission mechanism just drives power transmission shaft and blade rotation, stirs.

Improvement as general agitator for food-making, make its use safer, it is that the Chinese utility model patent " glass fruit juice mixer " of ZL03238253.7 (notification number is CN2662803Y) has disclosed a kind of glass fruit juice mixer that one patent No. is arranged, comprise glass and bowl cover on base, this base, the handle root of described glass is with annular drive link, the terminal adjacent return spring and the microswitch that is fixed on the described base of this drive link; Described drive link is with the drive link shell outward; Described bowl cover edge is extended with bead downwards, covers bowl cover and described bead is contacted the bowl cover turn with described drive link, and bead is to pressing down drive link, and the end of this drive link contacts microswitch, this microswitch closing of contact, and the fruit juice mixer can be worked; The turn bowl cover, its bead breaks away from drive link, and return spring is with the drive link pushed home, and the microswitch contact disconnects, and the fruit juice mixer can not be worked then.This mixer is only covering bowl cover and described bead is being contacted the bowl cover turn with described drive link, and promptly bowl cover is built, and opens switch, and mixer is just started working, if bowl cover is not built, also can not work even open the switch mixer.

No matter be existing common food mixer, or above-mentioned improved mixer, all there is following shortcoming in it, being about to jar is placed on the pedestal, as long as power transmission shaft links to each other with transmission mechanism, open switch, mixer just can carry out stirring work, and in actual the use, it is not in place to exist jar to be placed on the pedestal, and as slightly inclination, it also can carry out work, if jar very stably is not placed on the pedestal, mixer is when work, and jar will produce shake, and the food in the jar just easily spills, even jar also might topple over, and the accident of hurting sb.'s feelings.Even if mixer can be worked reluctantly, because jar tilts or shake, the blade in the jar is not just worked under normal condition, easily makes blade impaired yet.

In sum, existing agitator for food-making also can improve further.

Summary of the invention

Technical problem to be solved in the utility model is the safety guard that provides at above-mentioned prior art present situation on a kind of agitator for food-making; this device can make when jar and be placed under the state that does not put in place on the pedestal; also can not work even open the switch mixer, it has stable advantage safe in utilization.

The utility model solves the problems of the technologies described above the technical scheme that is adopted: a kind of safety guard of agitator for food-making, include pedestal, jar, be equipped with the circuit of control mixer work in the pedestal, the power supply of circuit is connected mutually with microswitch; It is characterized in that also comprising holder, can screw in its interior base for the jar lower end; Wherein holder is fixed on pedestal top, have one and the hole that communicates of pedestal on the holder sidewall, activity is equipped with a push rod in this hole, be positioned on the push rod of holder sidewall outside and have the gear structure that anti-throw-out lever enters into holder fully, and between push rod outer end and base internal wall, be provided with the elastic component that push rod is remained stretch into trend in the holder; Base can be ccontaining and spacing in holder, have breach on the base side wall, do not have movable inserted sheet in breach, the upper end of movable inserted sheet is rotatably connected on breach top, the lateral surface and the push rod of movable inserted sheet are inconsistent, and the medial surface of movable inserted sheet and jar lower end match; In pedestal, be provided with the drive link of a contact push rod and microswitch, in the pedestal that is rotatably connected in the middle part of the drive link, end in contact on the upper end of drive link and the push rod, the lower end of drive link directly or indirectly contacts with the microswitch contact.

Improve further, for making to have only jar is tightened under the state on the base fully, just conducting of circuit also comprises a microswitch in the above-mentioned circuit, and this microswitch is connected mutually with above-mentioned microswitch; And also symmetry has one and the hole that communicates of pedestal on the holder sidewall, activity is equipped with a push rod in this hole, be positioned on the push rod of holder sidewall outside and have the gear structure that anti-throw-out lever enters into holder fully, and between push rod outer end and base internal wall, be provided with the elastic component that push rod is remained stretch into trend in the holder; Symmetry has breach on base side wall, is provided with movable inserted sheet in breach, and the upper end of movable inserted sheet is rotatably connected on breach top, and the lateral surface and the push rod of movable inserted sheet are inconsistent, and the medial surface of movable inserted sheet and jar lower end match; In pedestal, also be provided with the drive link of a described push rod of contact and microswitch, in the pedestal that is rotatably connected in the middle part of the drive link, end in contact on the upper end of drive link and the push rod, the lower end of drive link directly or indirectly contacts with the microswitch contact.So only at two microswitches simultaneously under the conducting states, just conducting of circuit, power supply is just given power on circuitry, so use has more security.

Further improve, be provided with and extend into the corresponding safe retaining wall of push rod in the holder in the above-mentioned holder, the push rod that extend in the holder is positioned at the cavity that safe retaining wall surrounds.Because safe retaining wall encases the push rod side face, and the width of push rod and diameter and cavity is less, and finger can not stretch in the cavity that safe retaining wall surrounds, and plays the finger that prevents the user and is not intended to run into push rod, the maloperation mixer makes it meet the security regulations of the relevant electrical equipment of European Union.

Useful is, the lower end of above-mentioned movable inserted sheet have two parallel interval settings and and the corresponding slot of safe retaining wall, under the state in base is contained in holder, described safe retaining wall is plugged in the slot, and the movable inserted sheet between two slots is inserted in the cavity that safe retaining wall surrounds and push rod is inconsistent.The cooperation of slot and safe retaining wall can also be played the purpose of assist location, guarantees that base is installed in the accuracy on the holder.

Promote drive link for guaranteeing that push rod can be stablized, above-mentioned drive link upper end has the storage tank that can supply push rod laterally to wear, the storage tank side walls is provided with the breach that opening makes progress, the both sides of described push rod respectively have one stretch out and and the pushing part that matches of breach, this pushing part is erected in the breach and rotates to promote drive link.

Be ease of assembly, also be fixed with a support body in the above-mentioned pedestal, described microswitch is fixed on this support body, and described drive link is rotatable to be arranged on this support body.Earlier microswitch, drive link are arranged on the support body during assembling, and then support body is fixed in the pedestal.

Above-mentioned support body with the corresponding position of drive link outside be provided with two walls that are provided with at interval, respectively be provided with a draw-in groove that is mutually symmetrical on two walls, the both sides, middle part of drive link respectively have one stretch out and and the rotation section that matches of draw-in groove, described rotation section is fastened in the draw-in groove rotationally.The more convenient assembling of this kind connected mode also can adopt existing other mode that is rotationally connected to be arranged on the support body certainly, connects as pivot pin.

The above-mentioned upper surface that extend into the push rod in the holder is an ecto-entad and inclined downward.Be convenient to so the movable inserted sheet on the base is inserted the front end that push rod and safe retaining wall surround cavity.

Above-mentioned microswitch comprises a flexure strip, and an end of flexure strip is fixed on microswitch one side, and the other end of flexure strip extends to the front end face of drive link always and in the front end face contact, the contact on the microswitch then contacts with the middle part of flexure strip inner face.Because flexure strip is longer, convenient like this drive link contacts with flexure strip, and promotes the contact with control circuit by flexure strip.

Compared with prior art, advantage of the present utility model is: this safety guard must be tightened on the base at jar fully, like this periphery of jar bottom just can promotion activity inserted sheet to extrinsic deflection, because movable inserted sheet is to extrinsic deflection, so overcoming spring force, outwards moves the push rod that promotes to contact with its outer face, and then drive links to each other the drive link upper end to post deflection with push rod, the drive link lower end forward deflection to touch microswitch, the conducting of circuit ability, mixer just can be worked under the state of energising; If jar is not tightened on the base, then movable inserted sheet, push rod, drive link can not touch microswitch, and circuit can not conducting, and whether mixer is switched on and all can not be worked like this.Only be tightened on the base at jar, the work of whole mixer is just more stable, improved the security that mixer uses, and compact conformation is reasonable, volume is little.

Description of drawings

Fig. 1 is the structure cutaway view (under the state that jar and base are not tightened) of the utility model embodiment;

Fig. 2 is the structure cutaway view (under the state that jar and base are tightened) of the utility model embodiment;

Fig. 3 is the three-dimensional broken away view (under the state that jar and base are tightened) of the utility model embodiment;

Fig. 4 is the utility model embodiment operation principle schematic perspective view (jar and base are not tightened and omitted under the state of jar);

Fig. 5 is the utility model embodiment operation principle schematic perspective view (jar and base are tightened and omitted under the state of jar);

The specific embodiment

Embodiment describes in further detail the utility model below in conjunction with accompanying drawing.

Shown in Fig. 1～5, a kind of safety guard of agitator for food-making, include pedestal 1, jar 2, be equipped with the circuit of transmission mechanism, the work of control mixer in the pedestal 1, the microswitch 3 that has two control circuit break-makes in the circuit, and these two microswitches 3 are series connection, the power supply of circuit is connected with above-mentioned two microswitches 3, circuit also has little process chip, this chip has functions such as control motor break-make and speed governing, this chip can buy on market, is a kind of conventional chip; The power transmission shaft that is provided with blade in the jar 2 and can links to each other with transmission mechanism in the pedestal 1, generally also on jar 2, be covered with lid 21, blade is arranged on the power transmission shaft, and can rotate with power transmission shaft, transmission mechanism has generally comprised motor 14, output shaft etc., above-mentioned these structures are structure common in the general agitator for food-making, so power transmission shaft, blade, circuit, transmission mechanism do not show in the drawings in detail;

Also be fixed with a support body 11 in the pedestal 1, described microswitch 3 is fixed on this support body 11;

This safety guard also comprises holder 5, can screw in its interior base 6 for jar 2 lower ends, has a circular-shaped, concave cavity on the holder 5, one through hole that communicates with base interior is arranged at the bottom of cavity, the profile of described base 6 and above-mentioned cavity match, for placing base 6, be provided with internal thread 61 on the inwall of base 6, the bottom of jar 2 is provided with the external screw thread that matches with above-mentioned internal thread, so that jar 2 lower ends screw in base 6 inside;

Described holder 5 is fixed on pedestal 1 top, on holder 5 sidewalls, have two holes 51 that communicate with pedestal 1, these two holes 51 are symmetrically distributed, activity is equipped with a push rod 7 respectively in above-mentioned each hole 51, the upper surface that extend into the push rod 7 in the holder 5 is an ecto-entad and inclined downward 72, be positioned on the push rod 5 of holder 5 sidewall outsides and have the gear structure that anti-throw-out lever 5 enters into holder 5 fully, this gear structure is for having a step surface 71 on push rod 7, the cross section of step surface 71 is greater than the internal diameter in hole 51, so under the normality, step surface 7 contacts with gear with holder 5 outer walls, and between push rod 7 outer ends and pedestal 1 inwall, be provided with the elastic component 8 that push rod 7 is remained stretch into trend in the holder 5, this elastic component 8 is a spring, also various certainly shell fragments;

Be provided with and extend into the push rod 7 corresponding safe retaining walls 52 in the holder 5 in the holder 5, safe retaining wall 52 surrounds a cavity, and the push rod 7 that extend in the holder 5 is positioned at the cavity that safe retaining wall 52 surrounds;

Base 6 can be ccontaining and spacing in holder 5, and limit method can be the retaining footpath 63 that evagination is set on base 6 outer peripheral faces, and be provided with on the inner peripheral surface of holder 5 and the retaining footpath 63 gear retaining directly 53 that cooperates evagination mutually;

Base 6 side wall lower ends have breach 62, in breach 62, be provided with movable inserted sheet 9, the upper end of movable inserted sheet 9 is rotatably connected on breach 62 tops, the lower end of movable inserted sheet 9 have two parallel interval and vertically be provided with and and safe retaining wall 52 corresponding slots 91, the lateral surface and the push rod 7 of movable inserted sheet 9 are inconsistent, the lateral surface and jar 2 lower ends of movable inserted sheet 9 match, so that jar 2 is tightened in movable inserted sheet 9 outer opening under the interior state of base, under the state in base 6 is contained in holder 5, described safe retaining wall 52 is plugged in the slot 91, and the movable inserted sheet 9 between two slots 91 is inserted in the cavity that safe retaining wall 52 surrounds with inconsistent with push rod 7;

In pedestal 1, be provided with the drive link 4 of a contact push rod 7 and microswitch 3, drive link 4 middle parts are rotatably connected on the support body 11, the structure that drive link 4 is connected on the support body 11 is: go out to be provided with two walls 12 that are provided with at interval with drive link 4 corresponding positions on support body 11, respectively be provided with a draw-in groove that is mutually symmetrical 13 on two walls 12, the both sides, middle part of drive link 4 respectively have one stretch out and and the rotation section 41 that matches of draw-in groove 13, described rotation section 41 is fastened in the draw-in groove 13 rotationally; Drive link 4 upper ends have the storage tank 42 that can supply push rod 7 laterally to wear, storage tank 42 side walls are provided with the breach 43 that opening makes progress, the both sides of described push rod 7 respectively have one stretch out and and the pushing part 73 that matches of breach 62, this pushing part 73 is erected in the breach 43 and rotates to promote drive link 4; The lower end of drive link 4 and microswitch 3 contacts, 31 mediate contacts, comprise a flexure strip 32 at microswitch 3, one end of flexure strip 32 is fixed on microswitch 3 one sides, the other end of flexure strip 32 extends to the front end face of drive link 4 always and in the front end face contact, the contact 31 on the microswitch 3 then contacts with the middle part of flexure strip 32 inner faces.

The operation principle of present embodiment and process are such:

As Fig. 2,3, shown in 5, when jar 2 is tightened on the base 6 fully, the periphery of jar 2 closely contacts with movable inserted sheet 9 like this, and the medial surface of movable inserted sheet 9 is protruding in base 6 sidewalls, like this jar 2 just can promotion activity inserted sheet 9 to extrinsic deflection, the lateral surface of movable inserted sheet 9 then contacts with push rod 7, so when movable inserted sheet 9 to extrinsic deflection, just the push rod 7 that promotes to contact with its outer face overcomes spring 8 elastic force and outwards moves, and then drive links to each other drive link 4 upper ends to extrinsic deflection with push rod 7, drive link 4 lower end deflect inward are to promote flexure strip 32 simultaneously, flexure strip 32 is around bearing's deflect inward of itself and microswitch 3, and to touch microswitch 3 upper contacts 31, circuit forms the loop, circuit just has working power, and this moment, mixer just can be worked under the state of energising;

Shown in Fig. 1,4, if jar 2 is not tightened on the base 6, then jar 2 can not promotion activity inserted sheet 9, push rod 7, drive link 4 actions, the contact 31 that also just can not touch microswitch 3, circuit can not conducting, and whether mixer is switched on and all can not be worked like this.

Claims

1, a kind of safety guard of agitator for food-making includes pedestal, jar, is equipped with the circuit of control mixer work in the pedestal, and the power supply of circuit is connected mutually with microswitch;

It is characterized in that also comprising holder, can screw in its interior base for the jar lower end;

Wherein holder is fixed on pedestal top, have one and the hole that communicates of pedestal on the holder sidewall, activity is equipped with a push rod in this hole, be positioned on the push rod of holder sidewall outside and have the gear structure that anti-throw-out lever enters into holder fully, and between push rod outer end and base internal wall, be provided with the elastic component that push rod is remained stretch into trend in the holder;

Base can be ccontaining and spacing in holder, have breach on the base side wall, be provided with movable inserted sheet in breach, the upper end of movable inserted sheet is rotatably connected on breach top, the lateral surface and the push rod of movable inserted sheet are inconsistent, and the medial surface of movable inserted sheet and jar lower end match;

In pedestal, be provided with the drive link of a contact push rod and microswitch, in the pedestal that is rotatably connected in the middle part of the drive link, end in contact on the upper end of drive link and the push rod, the lower end of drive link directly or indirectly contacts with the microswitch contact.

2, the safety guard of agitator for food-making according to claim 1 is characterized in that also comprising in the described circuit microswitch, and this microswitch is connected mutually with above-mentioned microswitch;

And also symmetry has one and the hole that communicates of pedestal on the holder sidewall, activity is equipped with a push rod in this hole, be positioned on the push rod of holder sidewall outside and have the gear structure that anti-throw-out lever enters into holder fully, and between push rod outer end and base internal wall, be provided with the elastic component that push rod is remained stretch into trend in the holder;

Symmetry has breach on base side wall, is provided with movable inserted sheet in breach, and the upper end of movable inserted sheet is rotatably connected on breach top, and the lateral surface and the push rod of movable inserted sheet are inconsistent, and the medial surface of movable inserted sheet and jar lower end match;

In pedestal, also be provided with the drive link of a described push rod of contact and microswitch, in the pedestal that is rotatably connected in the middle part of the drive link, end in contact on the upper end of drive link and the push rod, the lower end of drive link directly or indirectly contacts with the microswitch contact.

3, the safety guard of agitator for food-making according to claim 1 and 2; it is characterized in that being provided with and extending in the described holder the interior corresponding safe retaining wall of push rod of holder, the push rod that extend in the holder is positioned at the cavity that safe retaining wall surrounds.

4, the safety guard of agitator for food-making according to claim 3; the lower end that it is characterized in that described movable inserted sheet have two parallel interval settings and and the corresponding slot of safe retaining wall; under the state in base is contained in holder; described safe retaining wall is plugged in the slot, and the movable inserted sheet between two slots is inserted in the cavity that safe retaining wall surrounds and push rod is inconsistent.

5, the safety guard of agitator for food-making according to claim 1 and 2; it is characterized in that described drive link upper end has the storage tank that can supply push rod laterally to wear; the storage tank side walls is provided with the breach that opening makes progress; the both sides of described push rod respectively have one stretch out and and the pushing part that matches of breach, this pushing part is erected in the breach and rotates to promote drive link.

6, the safety guard of agitator for food-making according to claim 1 and 2 is characterized in that also being fixed with a support body in the described pedestal (1), and described microswitch is fixed on this support body, and described drive link is rotatable to be arranged on this support body.

7, the safety guard of agitator for food-making according to claim 6; it is characterized in that described support body with the corresponding position of drive link outside be provided with two walls that are provided with at interval; respectively be provided with a draw-in groove that is mutually symmetrical on two walls; the both sides, middle part of drive link respectively have one stretch out and and the rotation section that matches of draw-in groove, described rotation section is fastened in the draw-in groove rotationally.

8, the safety guard of agitator for food-making according to claim 6 is characterized in that the described upper surface that extend into the push rod in the holder is an ecto-entad and inclined downward.

9, the safety guard of agitator for food-making according to claim 1 and 2; it is characterized in that described microswitch comprises a flexure strip; one end of flexure strip is fixed on microswitch one side; the other end of flexure strip extends to the front end face of drive link always and in the front end face contact, the contact on the microswitch then contacts with the middle part of flexure strip inner face.