CN215077633U

CN215077633U - Liquid level sensor for electric cooker

Info

Publication number: CN215077633U
Application number: CN202120529284.9U
Authority: CN
Inventors: 林国澍; 颜天宝
Original assignee: Chuandong Magnetic Electronic Co Ltd
Current assignee: Chuandong Magnetic Electronic Co Ltd; Foshan Chuandong Magnetoelectricity Co Ltd
Priority date: 2021-03-12
Filing date: 2021-03-12
Publication date: 2021-12-10
Anticipated expiration: 2031-03-12

Abstract

The utility model provides a liquid level sensor for an electric cooker, which comprises a sensor body and a stabilizing component connected to the periphery of the sensor body, wherein the stabilizing component comprises a support frame, a plurality of first vibration reduction components and a plurality of second vibration reduction components; a cavity is formed in the mounting seat to form a mounting cavity, the second vibration damping assembly is connected to the mounting cavity, and the first vibration damping assembly is connected to the bottom of the mounting seat. This application is used through setting up the cooperation of stabilizing subassembly and sensor body, and the power and the vibration that the sensor body received when can opening and close a kind of deep pot lid reduce to the reduction makes the sensor body more stable and firm, has improved level sensor's life, has fine practicality.

Description

Liquid level sensor for electric cooker

Technical Field

The utility model relates to a household electrical appliances accessory field particularly, relates to a level sensor that electric rice cooker used.

Background

For household appliances for cooking such as an electric cooker and an electric pressure cooker, a user generally needs to set the rice-water ratio by the experience or the feeling of the user when using the electric pressure cooker, or the user correspondingly places rice and water by depending on a measuring cup and a water line printed on an inner pot provided by a manufacturer, the operation is very troublesome, and the taste of rice is often not good because the rice-water ratio is improperly set.

In order to solve the above problems, some technical solutions are proposed in the related art, for example, a liquid level sensor is disposed on a pot cover of an electric cooker, but the prior art only fixedly connects the liquid level sensor to the pot cover, and does not consider the problem that the liquid level sensor may appear in the long-time use process, for example, the liquid level sensor is displaced after the pot cover is opened and closed for many times, so that the collected data has a deviation, and the problem is not easily solved by a user, and is difficult to pay if the pot cover is returned to a factory for maintenance.

SUMMERY OF THE UTILITY MODEL

Based on this, in order to solve the current not durable problem inadequately of a level sensor who is used for electric rice cooker, the utility model provides a level sensor that electric rice cooker used, its specific technical scheme as follows:

a liquid level sensor for an electric cooker comprises a sensor body and a stabilizing assembly connected to the periphery of the sensor body, wherein the stabilizing assembly comprises a supporting frame, a plurality of first vibration reduction assemblies and a plurality of second vibration reduction assemblies; a cavity is formed in the mounting seat to form a mounting cavity, the second vibration damping assembly is connected to the mounting cavity, and the first vibration damping assembly is connected to the bottom of the mounting seat.

Foretell level sensor that electricity rice cooker was used, through setting up stabilizing assembly and sensor body cooperation use, can cut down the power and the vibration that the sensor body received when opening and close a kind of deep pot lid to the reduction makes the sensor body more stable and firm, has improved level sensor's life, has fine practicality.

Further, the first vibration reduction assembly comprises a top cover, a shell, an elastic component, a base, a rubber sleeve and a fixing bolt, wherein the top of the top cover is abutted to the bottom of the mounting seat, and the top cover, the shell and the base are connected in a surrounding and shielding manner to form a first placing cavity;

the rubber sleeve is sleeved on the periphery of the fixing bolt, and the fixing bolt sequentially penetrates through the first placing cavity, the bottom of the mounting seat, the second vibration damping assembly and the top of the mounting seat from bottom to top;

the elastic component is arranged in the first placing cavity and sleeved outside the rubber sleeve.

Further, the upper half part of the shell is of a compressible laminated circular tube structure, and the lower half part of the shell is of a hollow cylindrical structure.

Further, the second damping subassembly includes outer tube, first inner tube and second inner tube, first inner tube connect in the top surface of installation cavity, the second inner tube connect in the bottom surface of installation cavity, the outer tube is including the upper segment, middle section and the hypomere that connect gradually, be provided with the baffle on the inner wall of middle section, the upper segment of outer tube connect in the periphery of first inner tube, the hypomere of outer tube connect in the periphery of second inner tube, the baffle with be connected with first extension spring between the first inner tube, the baffle with be connected with first compression spring between the second inner tube.

Furthermore, a second compression spring is connected between the partition plate and the first inner tube, and a second extension spring is connected between the partition plate and the second inner tube.

Further, in a non-working state, the force generated by the second compression spring is smaller than the force generated by the first extension spring, and the force generated by the second extension spring is smaller than the force generated by the first compression spring.

Further, stabilize the subassembly and still include the rubber ring, the rubber ring with the coaxial setting of support frame forms joint portion, joint portion with sensor body fixed connection.

Further, each first vibration damping assembly and each second vibration damping assembly are coaxially arranged.

Further, the periphery of the outer pipe is provided with a plurality of lightening holes.

Further, the distance from the top of the partition plate to the bottom of the first inner pipe is smaller than the distance from the top of the upper section to the top surface of the installation cavity, and the distance from the bottom of the partition plate to the top of the second inner pipe is smaller than the distance from the bottom of the lower section to the bottom surface of the installation cavity.

Drawings

The invention will be further understood from the following description in conjunction with the accompanying drawings. The components in the figures are not necessarily to scale, emphasis instead being placed upon illustrating the principles of the embodiments. Like reference numerals designate corresponding parts throughout the different views.

FIG. 1 is a schematic structural view of a liquid level sensor for an electric rice cooker according to an embodiment of the present invention;

FIG. 2 is a schematic structural view of a support frame of a liquid level sensor for an electric rice cooker according to an embodiment of the present invention;

FIG. 3 is a schematic view of a second damping assembly of a liquid level sensor for an electric rice cooker according to an embodiment of the present invention;

FIG. 4 is a schematic structural view of a second damping assembly of a liquid level sensor for an electric rice cooker according to an embodiment of the present invention;

FIG. 5 is a schematic structural view of a first damping assembly of a liquid level sensor for an electric rice cooker according to an embodiment of the present invention

Description of reference numerals:

1. a sensor body; 2. a support frame; 21. a mounting seat; 3. a rubber ring; 4. a first vibration reduction assembly; 41. a top cover; 42. a housing; 43. an elastic member; 44. a base; 45. a rubber sleeve; 46. fixing the bolt; 5. a second vibration reduction assembly; 51. an outer tube; 52. a first inner tube; 53. a second inner tube; 54. A first compression spring; 55. a first extension spring; 56. a second compression spring; 57. a second extension spring; 58. a separator.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention will be further described in detail with reference to the following embodiments. It should be understood that the detailed description and specific examples, while indicating the scope of the invention, are intended for purposes of illustration only and are not intended to limit the scope of the invention.

It will be understood that when an element is referred to as being "secured to" another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present. The terms "vertical," "horizontal," "left," "right," and the like as used herein are for illustrative purposes only and do not represent the only embodiments.

Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. The terminology used herein in the description of the invention is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention. As used herein, the term "and/or" includes any and all combinations of one or more of the associated listed items.

In the present invention, the terms "first" and "second" do not denote any particular quantity or order, but are merely used to distinguish names.

As shown in fig. 1-5, an embodiment of the present invention provides a liquid level sensor for an electric rice cooker, including a sensor body 1 and a stabilizing component connected to the periphery of the sensor body 1, wherein the stabilizing component includes a supporting frame 2, a plurality of first vibration damping components 4 and a plurality of second vibration damping components 5, the periphery of the supporting frame 2 is connected with a plurality of mounting seats 21 at equal intervals, and the first vibration damping components 4, the second vibration damping components 5 and the mounting seats 21 are in one-to-one correspondence; a cavity is formed in the mounting seat 21 to form a mounting cavity, the second vibration damping assembly 5 is connected to the mounting cavity, and the first vibration damping assembly 4 is connected to the bottom of the mounting seat 21.

Foretell level sensor that electricity rice cooker was used uses through setting up the cooperation of stabilizing the subassembly and sensor body 1, can cut down the power and the vibration that sensor body 1 received when opening and close a kind of deep pot lid to the reduction makes sensor body 1 more stable and firm, has improved level sensor's life, has fine practicality.

Specifically, the sensor body 1 is used for detecting the water level height of water in the electric rice cooker, and the electric rice cooker comprises a cooker cover, a cooker body and an inner container which is arranged in the cooker body and used for containing rice water. The liquid level sensor is arranged in a cooker cover of the electric cooker, and the water level height of the water in the inner container is related to the amount of rice water. Sensor body 1 is distance measuring sensor, and is concrete, can be ultrasonic ranging sensor, infrared ranging sensor or photoelectric type distance measuring sensor, and its concrete structure and principle are prior art or can obtain through prior art, and the key of this application, so no longer give unnecessary details here.

In one embodiment, the first vibration damping module 4 includes a top cover 41, a housing 42, an elastic member 43, a base 44, a rubber sleeve 45 and a fixing bolt 46, wherein the top of the top cover 41 abuts against the bottom of the mounting seat 21, and the top cover 41, the housing 42 and the base 44 are connected in a shielding manner to form a first placing cavity;

the rubber sleeve 45 is sleeved on the periphery of the fixing bolt 46, and the fixing bolt 46 sequentially penetrates through the first placing cavity, the bottom of the mounting seat 21, the second vibration damping assembly 5 and the top of the mounting seat 21 from bottom to top;

the elastic member 43 is disposed in the first placing cavity and sleeved outside the rubber sleeve 45.

In one embodiment, the elastic member 43 is a disc spring and a plurality of elastic members are sleeved on the periphery of the rubber sleeve 45.

In one embodiment, the elastic member 43 is a compression spring.

In one embodiment, the top cover 41 is made of rubber, and the base 44 is fixedly connected with one side of the cooker cover facing the inner container.

In one embodiment, the upper half of the housing 42 is a compressible laminated circular tube structure, and the lower half of the housing 42 is a hollow cylindrical structure.

In one embodiment, the second vibration damping assembly 5 includes an outer tube 51, a first inner tube 52, and a second inner tube 53, the first inner tube 52 is connected to the top surface of the installation cavity, the second inner tube 53 is connected to the bottom surface of the installation cavity, the outer tube 51 includes an upper section, a middle section, and a lower section that are connected in sequence, a partition plate 58 is disposed on the inner wall of the middle section, the upper section of the outer tube 51 is connected to the periphery of the first inner tube 52, the lower section of the outer tube 51 is connected to the periphery of the second inner tube 53, a first extension spring 55 is connected between the partition plate 58 and the first inner tube 52, and a first compression spring 54 is connected between the partition plate 58 and the second inner tube 53.

Specifically, after passing through the bottom of the mounting seat 21, the fixing bolt 46 passes through the partition plate 58 from bottom to top and then passes through the top of the mounting seat 21; each spring is connected to the end face of each inner tube, and each inner tube is made of rubber. Through dragging between each spring, thereby make the outer tube can form the power consumption structure between two sections inner tubes round trip movement, can effectively reduce the influence of impact force to the support frame, absorb remaining impact force through the inner tube of rubber material simultaneously to avoid producing the influence to the sensor body.

In one embodiment, a second compression spring 56 is connected between the partition plate 58 and the first inner tube 52, and a second extension spring 57 is connected between the partition plate 58 and the second inner tube 53.

Specifically, each compression spring and each extension spring are arranged at intervals, the first extension spring 55 and the first compression spring 54 are arranged in an up-down corresponding manner, and the second extension spring 57 and the second compression spring 56 are arranged in an up-down corresponding manner.

In one embodiment, in the inactive state, the force generated by the second compression spring 56 is less than the force generated by the first extension spring 55, and the force generated by the second extension spring 57 is less than the force generated by the first compression spring 54. Specifically, the non-working state is a state in which a pot cover of the electric cooker is in closed connection with a pot body and is stationary, and the pot cover and the pot body are not in a stationary state or are in a working state when the pot cover is completely opened.

In one embodiment, each of the first vibration damping assemblies 4 and each of the second vibration damping assemblies 5 are coaxially disposed.

In one embodiment, the outer tube 51 is provided with a plurality of lightening holes on the outer circumference. The friction force between the partition plate 58 and the fixing bolt 46 is increased by the rubber sleeve 45, so that the external force applied to the partition plate is consumed by friction and converted into heat, and the heat is transmitted to the outside through the lightening hole.

In one embodiment, the distance from the top of the partition plate 58 to the bottom of the first inner tube 52 is less than the distance from the top of the upper section to the top surface of the installation cavity, and the distance from the bottom of the partition plate 58 to the top of the second inner tube 53 is less than the distance from the bottom of the lower section to the bottom surface of the installation cavity.

With this design, the outer tube 51 is moved between the two inner tubes to damp vibrations.

In one of them embodiment, the stabilizing component still includes the rubber ring, the rubber ring with the coaxial setting of support frame 2 forms joint portion, joint portion with sensor body 1 fixed connection.

In one embodiment, the rubber ring is a wavy structure which is arranged along the periphery of the rubber ring in an undulating mode, and the undulating amplitude of the rubber ring is reduced from top to bottom in sequence.

Through this design, can strengthen the rubber ring with the joint strength of sensor body 1 can be easy to assemble moreover.

The technical features of the embodiments described above may be arbitrarily combined, and for the sake of brevity, all possible combinations of the technical features in the embodiments described above are not described, but should be considered as being within the scope of the present specification as long as there is no contradiction between the combinations of the technical features.

The above-mentioned embodiments only represent some embodiments of the present invention, and the description thereof is specific and detailed, but not to be construed as limiting the scope of the present invention. It should be noted that, for those skilled in the art, without departing from the spirit of the present invention, several variations and modifications can be made, which are within the scope of the present invention. Therefore, the protection scope of the present invention should be subject to the appended claims.

Claims

1. A liquid level sensor for an electric cooker is characterized by comprising a sensor body and a stabilizing assembly connected to the periphery of the sensor body, wherein the stabilizing assembly comprises a supporting frame, a plurality of first vibration reduction assemblies and a plurality of second vibration reduction assemblies; a cavity is formed in the mounting seat to form a mounting cavity, the second vibration damping assembly is connected to the mounting cavity, and the first vibration damping assembly is connected to the bottom of the mounting seat.

2. The liquid level sensor for the electric cooker as claimed in claim 1, wherein the first vibration reduction assembly comprises a top cover, a shell, an elastic member, a base, a rubber sleeve and a fixing bolt, wherein the top of the top cover is abutted with the bottom of the mounting seat, and the top cover, the shell and the base are connected in a surrounding manner to form a first placing cavity;

3. The liquid level sensor for electric rice cooker as claimed in claim 2, wherein the upper half of the housing is a compressible laminated circular tube structure, and the lower half of the housing is a hollow cylindrical structure.

4. The liquid level sensor for the electric cooker as claimed in claim 1, wherein the second vibration damping assembly comprises an outer tube, a first inner tube and a second inner tube, the first inner tube is connected to the top surface of the mounting cavity, the second inner tube is connected to the bottom surface of the mounting cavity, the outer tube comprises an upper section, a middle section and a lower section which are sequentially connected, a partition plate is arranged on the inner wall of the middle section, the upper section of the outer tube is connected to the periphery of the first inner tube, the lower section of the outer tube is connected to the periphery of the second inner tube, a first tension spring is connected between the partition plate and the first inner tube, and a first compression spring is connected between the partition plate and the second inner tube.

5. The liquid level sensor for electric rice cooker as claimed in claim 4, wherein a second compression spring is further connected between said partition plate and said first inner tube, and a second extension spring is further connected between said partition plate and said second inner tube.

6. The liquid level sensor as claimed in claim 5, wherein in the non-operating state, the force generated by the second compression spring is smaller than the force generated by the first extension spring, and the force generated by the second extension spring is smaller than the force generated by the first compression spring.

7. The liquid level sensor for the electric cooker as claimed in claim 1, wherein the stabilizing assembly further comprises a rubber ring, the rubber ring and the supporting frame are coaxially arranged to form a clamping portion, and the clamping portion is fixedly connected with the sensor body.

8. The liquid level sensor for electric rice cooker as claimed in claim 1, wherein each of said first vibration damping member and each of said second vibration damping member are coaxially disposed.

9. The liquid level sensor for electric rice cooker as claimed in claim 4, wherein the outer tube is provided with a plurality of lightening holes on its outer circumference.

10. The liquid level sensor as claimed in claim 4, wherein the distance from the top of the partition to the bottom of the first inner tube is less than the distance from the top of the upper section to the top surface of the mounting cavity, and the distance from the bottom of the partition to the top of the second inner tube is less than the distance from the bottom of the lower section to the bottom surface of the mounting cavity.