CN214631805U

CN214631805U - Gear shifting switch of eggbeater

Info

Publication number: CN214631805U
Application number: CN202120256356.7U
Authority: CN
Inventors: 邱庆明; 卢兵; 吴军
Original assignee: Changsha Xialangduo Electrical Technology Co ltd
Current assignee: Changsha Xialangduo Electrical Technology Co ltd
Priority date: 2021-01-29
Filing date: 2021-01-29
Publication date: 2021-11-09
Anticipated expiration: 2031-01-29

Abstract

The utility model discloses an egg beater stepping switch, including the driving lever, set up in damping mechanism in the driving lever, pass driving lever central point puts the pivot of department, is located the pivot below and supports pivot pivoted mount pad, peg graft in the PCB board of mount pad below, be provided with potentiometre, pulse gear shell fragment and power shell fragment on the PCB board side by side, set gradually in the pivot with the pulse gear shell fragment with power shell fragment complex first cam, second cam, just the one end of pivot with the potentiometre cooperation is connected. In this way, the utility model relates to a rationally, simple structure, the pivot through being provided with first cam and second cam on it rotates for on first cam and the second cam act on pulse gear shell fragment and the power shell fragment, according to the two and the contact condition adjustment gear and the control switch of PCB board.

Description

Gear shifting switch of eggbeater

Technical Field

The utility model relates to a household electrical appliances field especially relates to an egg beater stepping switch.

Background

Along with the continuous improvement of people's standard of living, the demand to various household electrical appliances commonly used is continuous to be improved, and wherein, the egg beater can realize different functions as the indispensable equipment of life at home, for example stirring yolk, egg white, milk shake, dough etc. and is liked by family user deeply, but to different edible material, the requirement to the stirring speed of egg beater is also different, therefore the agitator is provided with multiple gear and selects.

The prior art provides an egg beater, which includes a housing, a motor, and a key switch structure, wherein the key switch structure is used for controlling the motor to rotate, and includes a slide rheostat, a circuit board, and a slide block; the shell is provided with a toothed groove with a sawtooth-shaped side wall; the slide rheostat is connected with the circuit board; a push rod of the slide rheostat extends out of the shell from the tooth-shaped groove, and the push rod is connected with the sliding block; convex teeth are arranged on two sides of the sliding block and are matched with the tooth-shaped grooves; when the push rod is pushed, the push rod drives the sliding block to slide in the tooth-shaped groove.

Although the technology is provided with multi-gear conversion of the stirring speed, the stirring speed of the eggbeater can be adjusted according to actual use, the sliding variable resistance switch is adopted for realizing the variable speed gear switch, so that the eggbeater is complex to assemble, high in labor cost and poor in user experience.

Therefore, it is necessary to design a stepping switch of the egg beater, which has the advantages of simple structure, quick assembly, convenient use and good user experience.

SUMMERY OF THE UTILITY MODEL

In order to overcome the current egg beater structure too complicated, the equipment is loaded down with trivial details, the human cost is high, user experience feels poor problem, the utility model provides an egg beater stepping switch stirs the driving lever through controlling, controls the pivot that is provided with first cam and second cam on it and rotates for first cam and second cam act on pulse gear shell fragment and power shell fragment, according to the two and the contact condition regulation gear and the control switch of PCB board.

In order to achieve the above object, the utility model adopts the following technical scheme:

the utility model provides an egg beater stepping switch, includes the driving lever, set up in damping mechanism in the driving lever, pass driving lever central point puts the pivot of department, is located the pivot below just supports pivot pivoted mount pad, peg graft in the PCB board of mount pad below, be provided with potentiometre, pulse gear shell fragment and power shell fragment on the PCB board side by side, set gradually in the pivot with the pulse gear shell fragment with first cam of power shell fragment complex, second cam, just the one end of pivot with the potentiometre cooperation is connected.

Furthermore, the pulse gear elastic sheet is of a U-shaped structure with one side welded on the PCB and the other side parallel to the PCB, and one side parallel to the PCB is of a sawtooth structure.

Furthermore, the power supply elastic sheet is of a U-shaped structure with one side welded on the PCB and the other side parallel to the PCB, and one side parallel to the PCB is of an upwards-bent sawtooth-shaped structure.

Furthermore, the first cam is arranged on the side wall of the rotating shaft and above the pulse gear elastic sheet, the lower end of the first cam is of a sawtooth-shaped strip-shaped structure, and the central line of the first cam is flush with the axis of the rotating shaft.

Furthermore, the second cam is arranged on the side wall of the rotating shaft and above the power spring piece, the second cam is of a fan-shaped structure which deflects leftwards relative to the rotating shaft, and the lower end face of the second cam is in contact with the upper end face of the power spring piece.

Furthermore, the damping mechanism comprises a spring and an ejector pin, wherein the spring is vertically arranged in a hollow cylindrical structure in the center of the shifting rod, and the ejector pin is connected to the bottom end of the spring.

Furthermore, the mounting seat is mounted on the PCB, a first boss structure and a second boss structure which are hollow inside are arranged on the mounting seat side by side, and the shift lever is arranged between the first boss structure and the second boss structure.

Further, first boss structure with the outside of second boss structure all is provided with semi-circular structure's first opening, just the both ends of pivot rotate respectively set up in on the first opening, first boss structure with all the cooperation be connected with on the up end of second boss structure with the fixed mounting of pivot, the bottom of the lateral surface of mounting be provided with first opening complex second opening, just the pivot is passed first opening with the through-hole department that the second opening formed all is provided with spacing piece.

Further, the first cam is located within the first boss structure and the second cam is located within the second boss structure.

Furthermore, the front end of the rotating shaft is of a flat key structure and is matched and connected with a key groove formed in the potentiometer to drive the potentiometer to rotate.

Compared with the prior art, the beneficial effects of the utility model are that:

1. the utility model discloses a set up the driving lever and control it and stir to the pivot that is provided with first cam and second cam on it is controlled and rotates, makes first cam and second cam act on pulse gear shell fragment and power shell fragment, and makes the two contact or separate with the shell fragment that corresponds separately at the swing in-process because of its own unique shape, and then can open or be closed according to the contact condition regulation gear of the two and PCB board and control switch.

2. The utility model discloses an adopt the pivot that has two cams on it as gear adjustment mechanism, compare the slip varistor switch that adopts on the market mostly, its simple structure, equipment are convenient, practiced thrift mould, material and the human cost of processing greatly, have fine market spreading value.

3. The utility model discloses a be provided with the spring in the inside of driving lever to be connected with the thimble in the bottom of spring, using the driving lever to adjust the in-process of gear, the spring is applyed appropriate power all the time to the thimble and is felt in order to obtain corresponding damping, thereby has strengthened the body of user's use and has felt.

Drawings

FIG. 1 is a schematic view of an axial measurement structure of the present invention;

fig. 2 is a schematic top view of the present invention;

FIG. 3 is a schematic cross-sectional view taken along direction A in FIG. 2;

fig. 4 is a schematic diagram of the explosion structure of the present invention;

FIG. 5 is a left side view of the driving mechanism of the present invention;

FIG. 6 is a schematic view of the right side structure of the pick mechanism of the present invention;

FIG. 7 is a front view of the structure of the present invention;

the parts in the drawings are numbered as follows: 1. a PCB board; 11. a pulse gear elastic sheet; 12. a power supply spring plate; 2. a potentiometer; 3. a rotating shaft; 31. a first cam; 32. a second cam; 33. a limiting sheet; 4. a deflector rod; 41. a spring; 42. a thimble; 5. a fixing member; 6. a mounting seat; 61. a first boss structure; 62. a second boss structure.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention clearer, the present invention will be described in detail with reference to the accompanying drawings and specific embodiments.

It should be noted that, in order to avoid obscuring the present invention with unnecessary details, only the structures and/or processing steps closely related to the aspects of the present invention are shown in the drawings, and other details not relevant to the present invention are omitted.

In addition, it is also to be noted that the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

Examples

As shown in fig. 1, a shifting switch of an egg beater comprises a shifting lever 4, a damping mechanism arranged in the shifting lever 4, a rotating shaft 3 penetrating through the center of the shifting lever 4, a mounting seat 6 located below the rotating shaft 3 and supporting the rotating shaft 3 to rotate, and a PCB board 1 inserted below the mounting seat 6, wherein a potentiometer 2, a pulse gear elastic sheet 11 and a power elastic sheet 12 are arranged on the PCB board 1 side by side, a first cam 31 and a second cam 32 matched with the pulse gear elastic sheet 11 and the power elastic sheet 12 are sequentially arranged on the rotating shaft 3, and one end of the rotating shaft 3 is matched and connected with the potentiometer 2; the poking rod 4 is poked left and right, so that the rotating shaft 3 provided with the first cam 31 and the second cam 32 is controlled to rotate, the first cam 31 and the second cam 32 act on the pulse gear elastic sheet 11 and the power supply elastic sheet 12, the first cam 31 and the second cam 32 are in contact with or separated from the corresponding elastic sheets in the swinging process due to the unique shapes of the first cam 31 and the second cam 32, and the gear can be adjusted according to the contact condition of the first cam and the second cam with the PCB 1 and the switch can be controlled to be switched on or switched off.

Wherein, the mobilizable scope of driving lever 4 is 90 to divide into seven gears with the gear, from left to right be in proper order: pulse gear, 0 gear, 1 gear, 2 gear, 3 gear, 4 gear and 5 gear.

As shown in fig. 2 to 3, in this embodiment, the pulse position elastic piece 11 is a U-shaped structure with one side welded to the PCB 1 and the other side parallel to the PCB 1, and one side parallel to the PCB 1 is a saw-toothed structure, so that when the first cam 31 moves along with the rotating shaft 3, it can act on the pulse position elastic piece 11.

As shown in fig. 4 to 6, in this embodiment, the power spring 12 is a U-shaped structure with one side welded to the PCB 1 and the other side parallel to the PCB 1, and one side parallel to the PCB 1 is an upwardly bent saw-toothed structure, when the second cam 32 moves along with the rotating shaft 3, it can act on the power spring 12, and the special bent structure thereof enables the shift lever 4 to shift left or right, and the second cam 32 presses the power spring 12 downward to make it contact with the copper foil on the PCB 1.

In this embodiment, the first cam 31 is disposed on the sidewall of the rotating shaft 3 and above the pulse position spring 11, the first cam 31 has a saw-toothed bar-shaped lower end, and the central line thereof is flush with the axis of the rotating shaft 3, so that the first cam intermittently acts on the pulse position spring 11 when the shift lever 4 is shifted leftward, and does not contact the pulse position spring 11 when the shift lever 4 is shifted rightward.

In this embodiment, the second cam 32 is disposed on the side wall of the rotating shaft 3 and above the power spring 12, the second cam 32 is a sector structure that deflects leftward relative to the rotating shaft 3, and a lower end surface of the second cam contacts with an upper end surface of the power spring 12.

In the embodiment, the damping mechanism comprises a spring 41 which is positioned in a hollow cylindrical structure vertically arranged at the center of the shift lever 4 and an ejector pin 42 connected to the bottom end of the spring 41, and applies a corresponding damping feeling to a user when the shift lever is adjusted, and the spring 41 always applies a proper force to the ejector pin 42 to obtain the corresponding damping feeling when the shift lever 4 is used for adjusting the shift lever.

As shown in fig. 7, in this embodiment, the mounting base 6 is specifically a square structure, and is mounted on the PCB 1 by a buckle, so as to be convenient for dismounting and mounting, and the structure is simple, a first boss structure 61 and a second boss structure 62 with hollow interiors are arranged side by side on the mounting base 6, and the shift lever 4 is disposed between the first boss structure 61 and the second boss structure 62 in a matching manner, so that the shift lever 4 moves left and right between the first boss structure 61 and the second boss structure 62.

In this embodiment, first boss structure 61 with the outside of second boss structure 62 all is provided with semi-circular structure's first opening, just the both ends of pivot 3 rotate respectively set up in on the first opening, first boss structure 61 with all the cooperation be connected with on the up end of second boss structure 62 with fixed mounting 5 of pivot 3, the bottom of the lateral surface of mounting 5 be provided with first opening complex second opening, just pivot 3 passes first opening with the through-hole department that the second opening formed all is provided with spacing piece 33.

In this embodiment, the first cam 31 is located in the first boss structure 61, and the second cam 32 is located in the second boss structure 62, so that the first cam 31 and the second cam 32 swing with the rotating shaft 3 in the respective cavities.

In this embodiment, the front end of the rotating shaft 3 is of a flat key structure, and is matched and connected with a key groove arranged on the potentiometer 2 to drive the potentiometer 2 to rotate, and the rotating shaft 3 can drive the potentiometer 2 to rotate when rotating, so that corresponding voltage is obtained, and the change of the speed of the potentiometer is realized.

By the mode, when the shifting lever is positioned in the middle position in use, the shifting lever is positioned in the 0 gear, the first cam and the second cam are both in the initial state at the moment, and are not in contact with the pulse gear elastic sheet and the power supply elastic sheet which are in the initial state, and the power supply is in the disconnected state; when the shifting lever is shifted leftwards, the rotating shaft rotates to drive the first cam and the second cam on the rotating shaft to respectively press the pulse gear elastic sheet and the power supply elastic sheet downwards so that the pulse gear elastic sheet and the power supply elastic sheet are in contact with the copper foil on the PCB, the rotating shaft drives the potentiometer to rotate to obtain corresponding voltage, and the first cam acts on the pulse gear elastic sheet intermittently so that the voltage is pulse voltage at the moment and the gear is pulse gear; when the driving lever is shifted rightwards, the rotating shaft rotates, only the second cam presses the power supply elastic sheet downwards to enable the power supply elastic sheet to be in contact with copper foil on the PCB, meanwhile, due to the special structures of the second cam and the power supply elastic sheet, the voltage of the rotating shaft when the driving potentiometer changes is changed, and the rotating shaft is divided into five gears of 1 gear, 2 gears, 3 gears, 4 gears and 5 gears according to the contact condition of the second cam and the power supply elastic sheet.

The above description is only intended to illustrate the technical solution of the present invention, and not to limit it; although the present invention has been described in detail with reference to the foregoing embodiments, it should be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; all the equivalent structures or equivalent flow changes made by the contents of the specification and the drawings of the utility model, or the direct or indirect application in other related technical fields, are included in the patent protection scope of the utility model.

Claims

1. The utility model provides an egg beater stepping switch, its characterized in that, including driving lever (4), set up in damping mechanism in driving lever (4), pass driving lever (4) central point puts pivot (3) of department, is located pivot (3) below just supports pivot (3) pivoted mount pad (6), peg graft in PCB board (1) of mount pad (6) below, be provided with potentiometre (2), pulse gear shell fragment (11) and power shell fragment (12) side by side on PCB board (1), set gradually on pivot (3) with pulse gear shell fragment (11) with power shell fragment (12) complex first cam (31), second cam (32), just the one end of pivot (3) with potentiometre (2) cooperation is connected.

2. The egg beater shift switch according to claim 1, wherein the pulse shift position elastic piece (11) is a U-shaped structure with one side welded to the PCB (1) and the other side parallel to the PCB (1), and the side parallel to the PCB (1) is a saw-toothed structure.

3. The egg beater stepping switch according to claim 1, wherein the power spring (12) is a U-shaped structure with one side welded to the PCB (1) and the other side parallel to the PCB (1), and the side parallel to the PCB (1) is an upwardly bent saw-toothed structure.

4. The egg beater shift switch according to claim 1, wherein the first cam (31) is disposed on a side wall of the rotating shaft (3) and above the pulse shift spring (11), the first cam (31) has a saw-toothed bar structure at a lower end thereof, and a center line thereof is aligned with an axis of the rotating shaft (3).

5. The shifting switch of egg beater according to claim 1, wherein the second cam (32) is disposed on the side wall of the rotating shaft (3) and above the power spring (12), the second cam (32) is a sector structure that deflects leftwards relative to the rotating shaft (3), and the lower end surface of the second cam is in contact with the upper end surface of the power spring (12).

6. A eggbeater shift switch according to claim 1, wherein the damping mechanism comprises a spring (41) located within a hollow cylindrical structure vertically disposed at a center of the shift lever (4) and a thimble (42) connected to a bottom end of the spring (41).

7. The eggbeater stepping switch according to claim 1, wherein the mounting seat (6) is mounted on the PCB (1), a first boss structure (61) and a second boss structure (62) which are hollow inside are arranged on the mounting seat (6) side by side, and the driving lever (4) is arranged between the first boss structure (61) and the second boss structure (62).

8. The egg beater shift switch according to claim 7, wherein the outer sides of the first boss structure (61) and the second boss structure (62) are provided with first openings of semicircular structures, two ends of the rotating shaft (3) are respectively rotatably arranged on the first openings, the upper end surfaces of the first boss structure (61) and the second boss structure (62) are respectively and cooperatively connected with a fixing member (5) for fixing the rotating shaft (3), the bottom end of the outer side surface of the fixing member (5) is provided with a second opening matched with the first opening, and a limiting piece (33) is arranged at a through hole formed by the rotating shaft (3) passing through the first opening and the second opening.

9. An eggbeater shift switch according to claim 8, wherein the first cam (31) is positioned within the first boss (61) and the second cam (32) is positioned within the second boss (62).

10. The egg beater shift switch according to claim 9, wherein the front end of the rotating shaft (3) is of a flat key structure and is connected with a key groove arranged on the potentiometer (2) in a matching manner so as to drive the potentiometer (2) to rotate.