CN210019070U

CN210019070U - Egg beater

Info

Publication number: CN210019070U
Application number: CN201920361119.XU
Authority: CN
Inventors: 李一峰; 刘运升; 曾啟锋
Original assignee: Bear Electrical Appliance Co Ltd
Current assignee: Bear Electrical Appliance Co Ltd
Priority date: 2019-03-20
Filing date: 2019-03-20
Publication date: 2020-02-07
Anticipated expiration: 2029-03-20

Abstract

The utility model provides an egg beater, which comprises a shell, a motor and a key switch structure, wherein the key switch structure is used for controlling the motor to rotate and comprises a slide rheostat, a circuit board and a slide block; a toothed groove with a sawtooth-shaped side wall is formed on the shell; 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 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, so that the size of the resistor is changed, and the adjustment of the gears is realized. Compared with the prior art, the utility model discloses a slide rheostat has solved the too big problem of instantaneous impulse current, can avoid damaging easily of circuit board, realizes many grades of controls through the cooperation of flute profile and dogtooth simultaneously for obtain the feedback through promoting the push rod when the user adjusts, feel well, and adjust accurate, reinforcing product quality.

Description

Egg beater

Technical Field

The utility model relates to a kitchen appliances technical field mainly relates to an egg beater.

Background

The buttons of the egg beater in the market are various, and have an upper-gear structure, a lower-gear structure or a left-gear structure and a right-gear structure, and also have a multi-gear structure, and are controlled by a microcomputer, but the single-gear structure, the two-gear structure, the multi-gear structure and the microcomputer are generally started instantly, the rotating speed of a control motor is directly from 0 to a working state, namely the control motor starts the gear change and the instant impact current is very large when the gear is started, and the PCBA is easily damaged.

Therefore, a stepless-adjustment handheld eggbeater appears in the market, the stepless adjustment is realized by adopting the sliding rheostat, the resistance value of the handheld eggbeater is continuously changed, the instantaneous impact current is relatively small, the problem of overlarge instantaneous impact current is avoided, and the circuit board can be prevented from being damaged easily.

SUMMERY OF THE UTILITY MODEL

The utility model aims to overcome the defects of the prior art, and provides an egg beater which not only can satisfy the good hand feeling, but also solves the problem of large instantaneous impact current.

In order to solve the technical problem, the utility model discloses a following technical scheme:

an egg beater comprises a shell, a motor and a key switch structure, wherein the key switch structure is used for controlling the motor to rotate and comprises 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, so that the size of the resistor is changed, and the adjustment of the gears is realized.

Compared with the prior art, the utility model provides an egg beater, it has solved the too big problem of instantaneous impulse current through the slip rheostat, can avoid damaging easily of circuit board, realize many grades of control through the cooperation of flute profile and dogtooth simultaneously, make through promoting the push rod during the user adjustment, the dogtooth of both sides meshes with each groove in the flute profile one by one respectively, be difficult for promptly because the regulating force that the user applyed is too big and slide the push rod too far and lead to adjusting inaccurate problem, can obtain the feedback of push rod reaction force when having guaranteed user's operation, good handle, and adjust accurately, strengthen product quality.

Preferably, in order to facilitate the user to select the gear, the egg beater further comprises a key, the key is slidably arranged on the outer side of the shell, and the key is connected with the push rod of the sliding rheostat. Namely, the user can drive the push rod to slide left and right by operating the key, and the operating surface of the key is larger than that of the push rod, so that the push of the user is facilitated; preferably, the keys can be made of insulating materials, so that the operation safety of a user is guaranteed.

Preferably, the sliding block comprises a fixing portion and elastic arms arranged on two sides of the fixing portion, the fixing portion is connected with the push rod, one end of each elastic arm is fixedly connected with the fixing portion, the other end of each elastic arm is provided with the convex teeth, the elastic arms generate slight resistance between every two teeth, the elastic arms are good in hand feeling and convenient for a user to select gears, and the elastic arms can emit slight sound when being matched with the tooth openings to help the user to confirm the gears. And the elastic arm is of a cantilever type structure, and the convex teeth are arranged at the tail end (namely the free end) of the cantilever, so that the convex teeth can conveniently slide in the tooth-shaped grooves due to certain elasticity of the cantilever type structure.

Preferably, the casing is provided with a key notch, the tooth-shaped groove is positioned below the key notch, the outer end of the key penetrates out of the casing through the key notch, and the inner end of the key is fixedly connected with the push rod of the slide rheostat sequentially through the key notch and the tooth-shaped groove. The tooth-shaped groove can be hidden in the shell, and potential safety hazards caused by direct contact of a user with the tooth-shaped groove are avoided.

Preferably, the tooth-shaped groove comprises two tooth-shaped strips which are oppositely arranged, and the two tooth-shaped strips are symmetrically and respectively fixed on the inner wall of the shell, wherein the shell comprises a left shell and a right shell, and the two tooth-shaped strips are symmetrically and respectively fixed on the left shell and the right shell; the tooth-shaped strip is provided with at least three tooth openings, so that multi-gear control and adjustment are realized.

Furthermore, two profile of tooth strips are as an organic whole structure with left shell and right shell respectively.

Preferably, the middle of the key extends downwards to form a buckling part, a buckling groove is formed in the middle of the buckling part, the size of the buckling groove is matched with that of the push rod, and the key is connected with the slide rheostat through the buckling groove.

Further, the lower extreme of buckling parts is equipped with the clip, the fixed part middle part of sliding block is equipped with the through-hole, the border of through-hole extends to the fixed part center and forms step portion, slide rheostat's push rod pass the through-hole with the button is connected, and realizes being connected of button and sliding block through the cooperation of clip and step portion.

Drawings

FIG. 1 is a first cross-sectional view of the egg beater of the present invention;

FIG. 2 is an enlarged view of a portion of the area in FIG. 1;

FIG. 3 is a second cross-sectional view of the egg beater of the present invention;

FIG. 4 is an enlarged view of area A of FIG. 3;

fig. 5 is a cross-sectional view of the key of the present invention;

FIG. 6 is a schematic view of the sliding block of the present invention

Fig. 7 is a schematic view of the left shell of the present invention;

fig. 8 is a simple schematic diagram of the key switch structure of the present invention.

Detailed Description

A preferred embodiment of the present invention will be described below with reference to the accompanying drawings.

Referring to fig. 1 to 8, an egg beater comprises a housing 1, a motor (not shown in the figures) and a key switch structure, wherein the key switch structure is used for controlling the motor to rotate, and comprises a slide rheostat 2, a circuit board 3 and a slide block 4; a toothed groove 101 with a sawtooth-shaped side wall is formed in the shell 1; the slide rheostat 2 is connected with the circuit board 3; the push rod 21 of the slide rheostat 2 extends out of the shell 1 from the tooth-shaped groove 101, and the push rod 21 is connected with the sliding block 4; convex teeth 41 are arranged on two sides of the sliding block 4, and the convex teeth 41 are matched with the tooth-shaped grooves 101; when the push rod 21 is pushed, the push rod 21 drives the sliding block 4 to slide in the tooth-shaped groove 101, so that the size of the resistor is changed, and the adjustment of the gear is realized.

Compared with the prior art, the utility model provides an egg beater, it has solved the too big problem of instantaneous impulse current through slip rheostat 2, can avoid damaging easily of circuit board, realize many grades of control through the cooperation of flute profile 101 with dogtooth 41 simultaneously, make during the user's regulation through the dogtooth 41 that promotes push rod 21 both sides mesh with each groove in flute profile 101 one by one respectively, be difficult for promptly because the regulating force that the user applyed is too big and slide push rod 21 too far and lead to adjusting inaccurate problem, can obtain the feedback of push rod 21 reaction force when having guaranteed user's operation, good feeling, and adjust the accuracy, reinforcing product quality.

Referring to fig. 1, 2 and 7, as a preferred scheme, in order to facilitate the user to select gears, the eggbeater further comprises a key 5, wherein the key 5 is slidably arranged outside the shell 1, and the key 5 is connected with a push rod 21 of the slide rheostat 2.

Referring to fig. 2, 3 and 6, preferably, the sliding block 4 includes a fixed portion 42 and elastic arms 43 disposed at both sides of the fixed portion 42, the fixed portion 42 is connected to the push rod 21, one end of each elastic arm 43 is fixedly connected to the fixed portion 42, the other end of each elastic arm 43 is provided with the protruding teeth 41, the elastic arms 43 generate slight resistance between each tooth, the feel is good, the user can select a gear position conveniently, and the elastic arms 43 generate slight sound when being matched with the tooth mouths to help the user to confirm the gear position. And the elastic arm 43 is a cantilever structure, and the convex tooth 41 is arranged at the tail end (i.e. the free end) of the cantilever, because the cantilever structure has certain elasticity, the convex tooth 41 can be conveniently slid in the tooth-shaped groove 101.

Referring to fig. 7, as a preferred scheme, a key notch 102 is formed in the housing 1, the tooth-shaped groove 101 is located below the key notch 102, the outer end of the key 5 penetrates through the outer side of the housing 1 through the key notch 102, and the inner end of the key 5 is fixedly connected with the push rod 21 of the slide rheostat 2 through the key notch 102 and the tooth-shaped groove 101 in sequence; can make tooth-shaped groove 101 hide in the inside of casing 1, avoid the user direct contact to tooth-shaped groove 101 and appear the potential safety hazard.

Preferably, the tooth-shaped groove 101 includes two oppositely disposed tooth-shaped strips 11, the two tooth-shaped strips 11 are symmetrically fixed on the inner wall of the housing 1, respectively, wherein the housing 1 includes a left shell 12 and a right shell 13, and the two tooth-shaped strips 11 are symmetrically fixed on the left shell 12 and the right shell 13, respectively; at least three tooth openings 111 are formed in the toothed strips 11 to achieve multi-gear control and adjustment, and preferably, the two toothed strips 11 are respectively integrated with the left shell 12 and the right shell 13.

Referring to fig. 2 to 6 and 8 as a preferred embodiment, the middle of the key 5 extends downward to form a fastening portion (not shown in the drawings), the fastening groove 51 is formed in the fastening portion, the size of the fastening groove 51 is matched with the size of the push rod 21, the hook 52 is arranged at the lower end of the fastening portion, the through hole 421 is formed in the middle of the fixing portion 42 of the sliding block 4, the edge of the through hole 421 extends toward the center of the fixing portion 42 to form a step portion 422, when the push rod is installed, the sliding block 4 firstly passes through the push rod 21 through the through hole 421, then the key 5 is sleeved on the push rod 21 through the matching between the fastening groove 51 of the key 5 and the push rod 21, and meanwhile, the hook 52 at the lower end of the key 5 is pressed into the step portion 422 to be fastened, so as to fixedly connect the key.

Variations and modifications to the above-described embodiments may occur to those skilled in the art, in light of the above teachings and teachings. Therefore, the present invention is not limited to the specific embodiments disclosed and described above, and some modifications and changes to the present invention should fall within the protection scope of the claims of the present invention. Furthermore, although specific terms are employed herein, they are used in a generic and descriptive sense only and not for purposes of limitation.

Claims

1. The utility model provides an egg beater, its includes casing, motor and key switch structure, the key switch structure is used for controlling the motor rotates its characterized in that: the key switch structure comprises 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.

2. The eggbeater of claim 1, wherein: the sliding rheostat is characterized by further comprising a key, wherein the key is slidably arranged on the outer side of the shell and is connected with a push rod of the sliding rheostat.

3. The eggbeater of claim 2, wherein: the sliding block comprises a fixing part and elastic arms arranged on two sides of the fixing part, the fixing part is connected with the push rod, one end of each elastic arm is fixedly connected with the fixing part, and the other end of each elastic arm is provided with the convex teeth.

4. The eggbeater of claim 3, wherein: the casing is provided with a key notch, the tooth-shaped groove is positioned below the key notch, the outer end of the key penetrates out of the outer side of the casing through the key notch, and the inner end of the key is fixedly connected with the push rod of the slide rheostat through the key notch and the tooth-shaped groove in sequence.

5. The eggbeater of claim 1, wherein: the tooth-shaped groove comprises two tooth-shaped strips which are oppositely arranged, and the two tooth-shaped strips are symmetrically and respectively fixed on the inner wall of the shell.

6. The eggbeater of claim 5, wherein: the shell comprises a left shell and a right shell, and the two toothed strips are symmetrically and respectively fixed on the left shell and the right shell.

7. The eggbeater of claim 6, wherein: the two tooth-shaped strips are respectively integrated with the left shell and the right shell.

8. The eggbeater of claim 3, wherein: the middle part of the key extends downwards to form a buckling part, the middle part of the buckling part is provided with a buckling groove, the size of the buckling groove is matched with that of the push rod, and the key is connected with the sliding rheostat through the buckling groove.

9. The eggbeater of claim 8, wherein: the lower extreme of buckling part is equipped with the clip, the fixed part middle part of sliding block is equipped with the through-hole, the border of through-hole extends to the fixed part center and forms step portion, the push rod of slide rheostat pass the through-hole with the button is connected, and realizes being connected of button and sliding block through the cooperation of clip and step portion.

10. The eggbeater of claim 1, wherein: at least three tooth openings are formed in the two tooth-shaped strips.