CN2599728Y

CN2599728Y - Rotary switch

Info

Publication number: CN2599728Y
Application number: CNU032036418U
Authority: CN
Inventors: 杨鸿仁
Original assignee: QILI PRECISE INDUSTRY Co Ltd
Current assignee: QILI PRECISE INDUSTRY Co Ltd
Priority date: 2003-02-08
Filing date: 2003-02-08
Publication date: 2004-01-14
Anticipated expiration: 2013-02-08

Abstract

A rotary switch is used on various vital diets concocting machine. Two ends of the spring coil are bended and extended slightly to form an inner protruded point and an outer protruded point. The outer protruded point embeds in the notch of circular groove on the concave shell and the inner protruded point is pressed by the fan under the rotary switch. Four holes for inserting four wiring plates are arranged on the circumference of the concave shell. Four wiring plates are connected with four elastic conducting strips. Through holes for power cords are arranged on the lower part of four wiring plates. The utility model eliminates the shortcoming of easy-to-break on two end of the present spring coil, which is convenient to operate the rotary switch. The utility model eliminates the danger of accidental fire on power cords, which can meet the requirements in many countries and regions without reducing the security and the practicability.

Description

Rotary switch

Technical field

The utility model relates to rotary switch, refers to a kind of rotary switch that is applied on the various life dietetic regulation machines especially, to strengthen the fail safe and the practicality of rotary switch, promotes economic benefit.

Background technology

Referring to Fig. 1-3, known rotary switch, be applied on the various life dietetic regulation machines, be that a ring guide card 2 and a lid 1 are set on a knob 3 tops in regular turn, in sheathed spring coil 4 in these knob 3 bottoms and the recessed housing 5 middle set circular grooves 51, the end points 41 that makes spring coil 4 two side direction bend extension outward props up the other set fan body 52 in circular groove 51 centers, so that knob 3 can be done to open or closing motion; Four jiaos of places of this recessed housing 5 respectively are provided with elasticity guide card 6, and are provided with corresponding breach 53 near recessed housing 5 peripheries of elasticity guide card 6 one sides, so that power lead 7 is directly planted, (as shown in Figure 3) is so that rotary switch can open and cut out.

Referring to Fig. 4,5, during use, knob 3 counterclockwise to rotate 45 °, can be made the moment acceleration of life dietetic regulation machine, in the time will closing life dietetic regulation machine, then knob 3 is rotated 45 ° in a clockwise direction and get final product.

In sum, though known rotary switch can make the normal operation of life dietetic regulation machine, still have following shortcoming:

1, the design of its spring coil 4, the end points 41 that bends extension because of its two side direction outward is long, the strong point that makes end points 41 prop up fan body 52 too concentrates on the bending place of end points 41, rotate when excessive when knob 3 application of forces, end points 41 is fractureed, and cause knob 3 to open or to close.

2, the design of known recessed housing 5 because of its power lead 7 is directly planted from breach 53 of recessed housing 5, and connects with elasticity guide card 6 electricity, when moving because of rotary switch, easily produces spark and the anxiety that causes electric wire to cock off, influences the fail safe of rotary switch; Moreover power lead 7 connects with elasticity guide card 6 direct electricity, the regulation of inapplicable many countries, and influence the practicality of rotary switch, consequently reduce its economic benefit.

I actively study and repetition test because the shortcoming of known rotary switch is utilized scientific principle knowledge of self and practical experience for many years then, develop a kind of rotary switch that can overcome known rotary switch shortcoming finally.

Summary of the invention

Main purpose of the present utility model, be to provide a kind of rotary switch, be that the long end points improvement that spring coil two side direction bend extension outward is little curved inside and outside projection point that extends into, the projection point props up the fan body of knob bottom in making, power is dispersed on the spring coil, so that the knob application of force is rotated when excessive, also projection point in the frangibility not, and influence the unlatching of knob and the action of closing.

Secondary objective of the present utility model, be to provide a kind of rotary switch, it directly inserts the design that electricity is connected to the elasticity guide card from the breach of recessed housing with known power lead, improvement is passed through by pin sheet and is inserted in the recessed housing periphery along in the hole of bottom, and electricity is connected to and connects the elasticity guide card, perforation by the pin sheet bottom is connected with power lead, to improve the shortcoming that known power lead and elasticity guide card electricity connect.

The technical solution of the utility model: a kind of rotary switch, be applied on the various life dietetic regulation machines, it mainly is seated in a spring coil in the circular groove of locating in the middle of the one recessed housing, and four elasticity guide card branches are located at recessed housing four edges, and knob bottom cover supports in the circular groove of spring coil one end and recessed housing, knob top then wears a ring guide card and a lid in regular turn, it is characterized in that:

The little curved inside and outside projection point that extends in these spring coil two ends, wherein outer projection point embeds the breach at the circular groove edge of recessed housing, and interior projection point just presses on the set fan body in knob bottom that can make knob do unlatching and close, be provided with corresponding four holes in this recessed housing periphery along the bottom, four pin sheets of planting respectively, this four pin sheet electricity respectively is connected to four elasticity guide cards, and this four pin sheets bottom is provided with the perforation that electricity is connected to the power lead of machine intimate.Wherein:

Described pin sheet top appropriate location is provided with the recessed button in order to buckle elasticity guide card one side button hole.

Described pin sheet top also can be directly welded in elasticity guide card one side.

Described four pin sheet bottoms also can be directly welded in power lead.

Advantage of the present utility model is: because the little curved inside and outside projection point that extends in spring coil two ends, the breach at the circular groove edge of the recessed housing of its outer projection point embedding, and interior projection point just presses on the fan body of knob bottom is so that the unlatching of knob and closing; Along being provided with four holes, four pin sheets of planting respectively, this four pin sheet electricity respectively are connected to four elasticity guide cards, and are connected to the power lead of machine intimate by the perforation electricity of four pin sheet bottoms in this recessed housing periphery; Can eliminate the shortcoming of known spring coil two-end-point frangibility, be convenient to the running of rotary switch, eliminate the anxiety that electric wire cocks off,, can not reduce its fail safe, practicality and economic benefit thereof applicable to the regulation of many countries.

Description of drawings

Fig. 1 is for commonly using the stereogram of rotary switch.

Fig. 2 is for commonly using the three-dimensional exploded view of rotary switch.

Fig. 3 is for commonly using the schematic top plan view of rotary switch.

Fig. 4 is for commonly using the closed condition schematic diagram of rotary switch.

Fig. 5 is for commonly using the opening schematic diagram of rotary switch.

Fig. 6 is stereogram of the present utility model.

Fig. 7 is three-dimensional exploded view of the present utility model.

Fig. 8 is moment of the present utility model accelerated motion schematic diagram.

Fig. 9 is playback action schematic diagram of the present utility model.

Figure 10 is the schematic diagram that moves at a slow speed of the present utility model.

Figure 11 is quick acting schematic diagram of the present utility model.

Figure 12 is closed condition schematic diagram of the present utility model.

Embodiment

For to the purpose of this utility model, technical characterictic and effect thereof, can have and further understand and be familiar with, lift a preferred embodiment now, and conjunction with figs. is described in detail as follows:

Referring to Fig. 6,7, a kind of rotary switch that is applied on the various life dietetic regulation machines, mainly a spring coil 11 is seated in the circular groove of establishing in a recessed housing 14 middle places 141, and four elasticity guide cards were located at recessed housing 14 4 edges in 12 minutes, and a knob 10 bottoms cover is supported in the circular groove 141 of spring coil 11 1 ends and recessed housing 14, knob 10 tops then are coated with a ring guide card 9 and a lid 8 in regular turn, wherein:

The little curved inside and outside projection point 111,112 that extends in these spring coil 11 two ends, its outer projection point 112 embeds the breach 142 at circular groove 141 edges of recessed housing 14, and interior projection point 111 just presses on the fan body 101 of knob 10 bottoms, so that knob 10 is opened and closed; These recessed housing 14 peripheral interior corresponding four holes 143 that are provided with along the bottom, four pin sheets 13 of planting respectively, this four pin sheet 13 electricity respectively is connected to four elasticity guide cards 12, and be connected to the power lead (not shown) of machine intimate by perforation 131 electricity of four pin sheets, 13 bottoms, so that the running of rotary switch, eliminate the anxiety that electric wire cocks off,, can not reduce its practicality and economic benefit thereof applicable to the regulation of many countries.

These pin sheet 13 top appropriate locations are provided with recessed button 132, in order to the set button hole 121 of buckle elasticity guide card 12 1 side appropriate locations, also pin sheet 13 tops can be directly welded in elasticity guide card 12 1 sides, these pin sheet 13 bottoms can be directly welded in the power lead (not shown).

Referring to Fig. 8,9, this rotary switch is divided into four sections: 0 ° is OFF,-45 ° are the moment acceleration, 45 ° at a slow speed, 90 ° is quick, when rotary switch operates, the user can make the moment acceleration of life dietetic regulation machine with knob 10 counterclockwise to rotate 45 °, this moment, the fan body 101 of knob 10 bottoms changeed the interior projection point 111 that is butted on spring coil 11, press on the strong point of fan body 101 because of projection point in it 111, to be dispersed on the spring coil 11, so can not rotate excessive fractureing because of knob 10 application of forces; When the user decontrols knob 10, this moment, the power that compresses of interior projection point 111 of spring coil 11 disappeared, and made interior projection point 111 spring back to original position, and knob 10 is playbacked in original 0 ° of position.

Referring to Figure 10, when the user with knob 10 when original 0 ° of position clockwise direction rotates 45 °, then life dietetic regulation machine is with slow running.

Referring to Figure 11, as the user with knob 10 from original 0 ° of position, when clockwise direction rotated 90 °, life dietetic regulation machine was then with quick operation.

Referring to Figure 12, when the user will turn off life dietetic regulation machine, then knob 10 is counterclockwise turned to 0 ° of position.

The above; it only is the utility model one preferred embodiment; be not to limit scope of the present utility model with this; all according to design spirit of the present utility model and scope; various different change and the decoration done all should be covered by within the patent protection category that the utility model claims are defined.

Claims

1, a kind of rotary switch, be applied on the various life dietetic regulation machines, it mainly is seated in a spring coil in the circular groove of locating in the middle of the one recessed housing, and four elasticity guide card branches are located at recessed housing four edges, and knob bottom cover supports in the circular groove of spring coil one end and recessed housing, knob top then wears a ring guide card and a lid in regular turn, it is characterized in that:

The little curved inside and outside projection point that extends in these spring coil two ends, wherein outer projection point embeds the breach at the circular groove edge of recessed housing, and interior projection point just presses on the set fan body in knob bottom that can make knob do unlatching and close, be provided with corresponding four holes in this recessed housing periphery along the bottom, four pin sheets of planting respectively, this four pin sheet electricity respectively is connected to four elasticity guide cards, and this four pin sheets bottom is provided with the perforation that electricity is connected to the power lead of machine intimate.

2, rotary switch according to claim 1 is characterized in that: described pin sheet top appropriate location is provided with the recessed button in order to buckle elasticity guide card one side button hole.

3, rotary switch according to claim 1 is characterized in that: described pin sheet top also can be directly welded in elasticity guide card one side.

4, rotary switch according to claim 1 is characterized in that: described four pin sheet bottoms also can be directly welded in power lead.