CN219557197U

CN219557197U - Turbidity sensor and dish washer

Info

Publication number: CN219557197U
Application number: CN202320292075.6U
Authority: CN
Inventors: 毕春科; 王科; 邵明岩
Original assignee: Qingdao Haier Dishwasher Co Ltd; Haier Smart Home Co Ltd
Current assignee: Qingdao Haier Dishwasher Co Ltd; Haier Smart Home Co Ltd
Priority date: 2023-02-22
Filing date: 2023-02-22
Publication date: 2023-08-22
Anticipated expiration: 2033-02-22

Abstract

The utility model relates to the technical field of household appliances, in particular to a turbidity sensor and a dish washer, and aims to solve the problems that the turbidity sensor is complex to install and unstable in the prior art. For this purpose, the turbidity sensor of the present utility model comprises a sensor body, a circumferential fixing mechanism and an axial fixing mechanism. The sensor main body comprises a shell, a detection part extending downwards along the shell and a sealing cover covered on the shell, wherein a circumferential fixing mechanism is arranged on the sealing cover and used for limiting circumferential rotation of the sensor main body, and an axial fixing mechanism is arranged on the detection part and used for limiting axial movement of the sensor main body. The turbidity sensor is firmly fixedly connected to the dish washer through the circumferential fixing mechanism and the circumferential fixing mechanism, and has the advantages of simple structure, convenience in installation and firm fixation.

Description

Turbidity sensor and dish washer

Technical Field

The utility model relates to the technical field of household appliances, and particularly provides a turbidity sensor and a dish washer.

Background

At present, various home appliances enter home with the improvement of living standard of people. With the development of the dishwasher market, more and more users of the dishwasher use. In order to detect the dirt level in the washing process, turbidity sensors are widely used in the current dish washing machines, so that the occurrence of over-washing and under-washing can be reduced by detecting the dirt level in the washing process, the cleanliness of washing is ensured, and the resource waste is reduced.

At present, the turbidity sensor is installed in a screw fixing mode, and the problems of complex installation, more assembly parts, infirm assembly, complex maintenance and the like exist.

Accordingly, there is an urgent need in the art for a new turbidity sensor that solves the above-described problems of installation.

Disclosure of Invention

The utility model aims to solve the technical problems, namely the problems of complex and weak installation of the turbidity sensor in the prior art.

In a first aspect, the present utility model provides a turbidity sensor comprising a sensor body, a circumferential fixing mechanism and an axial fixing mechanism, the sensor body comprising a housing, a detection portion extending downward along the housing, and a cover provided over the housing; the circumferential fixing mechanism is arranged on the sealing cover and used for limiting circumferential rotation of the sensor main body; the axial fixing mechanism is arranged on the detection part and used for limiting the movement of the sensor main body along the axial direction of the sensor main body.

In a preferred embodiment of the turbidity sensor, the circumferential fixing means are uniformly arranged on the cover when a plurality of the circumferential fixing means are provided.

In the preferable technical scheme of the turbidity sensor, the circumferential fixing mechanism is a clamping hook, the clamping hook comprises a first clamping arm, a second clamping arm and a barb, one end of the first clamping arm is connected with one end of the sealing cover, the other end of the sealing cover is connected with one end of the second clamping arm, and the other end of the second clamping arm is connected with the barb.

In the preferable technical scheme of the turbidity sensor, the second clamping arm is an elastic arm.

In the preferable technical scheme of the turbidity sensor, the sensor main body comprises two detection parts, and each detection part is provided with an axial fixing mechanism.

In the above-mentioned turbidity sensor's preferred technical scheme, the axial fixing mechanism is the fixed block, the fixed block includes a piece body, spring and lug, wherein, the inside of a piece body has the cavity, the one end of spring install in the cavity bottom of a piece body, the lug is connected to the other end, the lug is at least partly located in the cavity and towards the closing cap sets up.

In a second aspect, the present utility model provides a dishwasher comprising a base and the turbidity sensor as described above, the turbidity sensor being mounted on the base.

In a preferred technical scheme of the dish washer, the base comprises a supporting plate, the supporting plate extends outwards to form an opening, and a flange is arranged on the outer wall of the opening; when the turbidity sensor is inserted into the opening, the clamping hook is hooked to the flange and the fixing block is clamped to the supporting plate.

In the preferable technical scheme of the dish washer, the dish washer further comprises a sealing ring, a circumferential groove is formed at the joint of the shell and the detection part, and the sealing ring is extruded between the circumferential groove and the inner wall of the opening part when the turbidity sensor is inserted into the opening part.

In the preferable technical scheme of the dish washer, a notch is formed in the inner wall of the opening, the fixing block is inserted into the opening opposite to the notch, and the fixing block is screwed off the notch to press against the supporting plate and clamp the sealing ring when the fixing block passes through the notch.

Under the condition that the technical scheme is adopted, the circumferential fixing mechanism can be arranged on the sealing cover of the turbidity sensor, the axial fixing mechanism is arranged on the detection part, the axial direction of the sensor main body is the extending direction of the rotating shaft which rotates circumferentially of the sensor main body, the circumferential rotating motion of the sensor main body of the turbidity sensor is limited by the circumferential fixing mechanism, and the axial up-and-down motion of the sensor main body is limited by the axial fixing mechanism, so that the motion of the turbidity sensor after installation is limited by the combination of the circumferential fixing mechanism and the axial fixing mechanism, and the turbidity sensor is firmly fixed.

The circumferential fixing mechanism adopts a clamping hook structure, so that the circumferential fixing mechanism is simple in structure, and is fixed on a flange of the dish washer directly through barb hooking when the turbidity sensor is installed on the dish washer, and convenient to install.

The axial fixing mechanism adopts a fixing block structure, the fixing block is inserted into the lower part of the supporting plate through a notch of an opening part on the base of the dish washer, and the turbidity sensor is prevented from falling off and clamping the sealing ring simultaneously by rotating to leave the notch side and prop against the supporting plate. In addition, the fixed block adopts the elastic structure to play a better role in buffering.

Drawings

Preferred embodiments of the present utility model are described below with reference to the accompanying drawings, in which:

FIG. 1 is a schematic diagram of an embodiment of a turbidity sensor of the present utility model;

FIG. 2 is a top view of an embodiment of the turbidity sensor of the present utility model;

FIG. 3 is a schematic view of an embodiment of a fixed block of the present utility model;

FIG. 4 is a schematic view of an embodiment of the turbidity sensor of the present utility model mounted to a base of a dishwasher;

FIG. 5 is another schematic view of an embodiment of the turbidity sensor of the present utility model mounted to a base of a dishwasher.

Reference numerals:

1. a housing;

2. a detection unit;

3. a cover;

4. a hook; 41. the first clamping arm; 42. the second clamping arm; 43. a barb;

5. a fixed block; 51. a block body; 52. a spring; 53. a bump;

6. a base; 61. a support plate; 62. an opening portion; 621. a notch; 63. a flange;

7. and (3) sealing rings.

Detailed Description

Some embodiments of the utility model are described below with reference to the accompanying drawings. It should be understood by those skilled in the art that these embodiments are merely for explaining the technical principles of the present utility model, and are not intended to limit the scope of the present utility model.

Referring to fig. 1 and 2, fig. 1 is a schematic diagram of an embodiment of the turbidity sensor of the present utility model. FIG. 2 is a top view of an embodiment of the turbidity sensor of the present utility model.

As shown in fig. 1 and 2, the turbidity sensor of the present embodiment includes a sensor body including a housing 1, a detecting portion 2 extending downward along the housing 1, and a cover 3 provided on the housing 1, a circumferential fixing mechanism provided on the cover 3 for restricting circumferential rotation of the sensor body, and an axial fixing mechanism provided on the detecting portion 2 for restricting movement of the sensor body in the axial direction thereof.

Specifically, the axial direction of the sensor body itself is the extending direction of the rotation shaft that rotates circumferentially of the sensor body. The sensor main body is generally in a cylinder structure, and the detecting part 2 can be in a strip-shaped structure with different lengths, and can extend into a part to be detected of the dish-washing machine for detection during installation. The circumferential securing mechanism limits the circumferential rotational movement of the turbidity sensor along the rotational axis, which may generally be the central axis of the cylinder, after it is mounted in place. The number of the circumferential fixing mechanisms is at least one. The axial fixing mechanism can limit the up-and-down motion of the turbidity sensor along the axial direction after the turbidity sensor is installed in place.

In a preferred embodiment of the utility model, the circumferential fixing means are arranged uniformly on the cover 3 when there are a plurality of circumferential fixing means.

Specifically, the sealing cover 3 is a circular sealing cover, and a plurality of circumferential fixing mechanisms can be uniformly distributed in the circumferential direction of the sealing cover, so that the acting force born by a single circumferential fixing mechanism can be reduced, and the function of limiting circumferential rotation can be better achieved.

As shown in fig. 1 and fig. 2, in a preferred embodiment of the present utility model, the circumferential fixing mechanism is a hook 4, where the hook 4 includes a first clamping arm 41, a second clamping arm 42, and a barb 43, one end of the first clamping arm 41 is connected to one end of the cover 3, the other end of the first clamping arm is connected to one end of the second clamping arm 42, and the other end of the second clamping arm 42 is connected to the barb 43.

Preferably, the second clamping arm 42 is a resilient arm.

Specifically, the overall shape of the hook 4 is similar to that of a cross-folded hook with a knife word removed. The first clamping arm 41 is preferably a straight arm so as to be conveniently fixed to the sealing cover 3, the second clamping arm 42 is preferably an arm with a certain radian and is preferably elastic, so that the second clamping arm 42 can be bent and elastically deformed when the clamping hook 4 is hooked, and the barb 43 is fixedly hooked more firmly, so that the turbidity sensor is effectively prevented from rotating integrally.

As shown in fig. 1, in a preferred embodiment of the present utility model, the sensor body includes two detecting portions 2, and an axial fixing mechanism is provided on each detecting portion 2.

The number of detection parts 2 of the sensor body corresponds to the number of axial fixing mechanisms.

Furthermore, the number of axial fixing mechanisms may be greater than the number of detecting portions 2 or less than the number of detecting portions 2, but the number of axial fixing mechanisms is at least 1.

Referring to fig. 3, fig. 3 is a schematic view of an embodiment of the fixed block 5 of the present utility model.

As shown in fig. 1 to 3, in a preferred embodiment of the present utility model, the axial fixing mechanism is a fixing block 5, and the fixing block 5 includes a block body 51, a spring 52 and a bump 53, wherein a cavity is formed in the block body 51, one end of the spring 52 is installed at the bottom of the cavity of the block body 51, the other end is connected to the bump 53, and the bump 53 is disposed towards the cover 3 and at least partially located in the cavity.

Specifically, the fixing block 5 may have a rectangular parallelepiped, square or other structure, and the inside thereof is hollow. The block body 51 has a cavity therein, and one side thereof is opened. One end of the spring 52 is fixed to the wall of the bottom of the cavity of the block body 51, and the other end is connected to the bump 53. The projection 53 of the fixed block 5 is directed towards the cover 3, which can be moved up and down in the cavity. When the bump 53 is moved to a position where its top is flush with the top of the block body 51, it is not moved inward, and the spring 52 is in a fully compressed state.

Referring to fig. 4 to 5, fig. 4 is a schematic view showing an embodiment in which the turbidity sensor of the present utility model is mounted on the base 6 of the dish washer. Fig. 5 is another schematic view of an embodiment of the turbidity sensor of the present utility model mounted on a base 6 of a dishwasher.

As shown in fig. 4 to 5, the dishwasher of the present embodiment includes a base 6 and the aforementioned turbidity sensor mounted on the base 6.

In particular, reference may be made to the definition of turbidity sensor in a dishwasher above, and no further description is given here.

As shown in fig. 4 to 5, in a preferred embodiment of the present utility model, the base 6 includes a support plate 61, the support plate 61 extending outward to form an opening 62, and a flange 63 is provided on an outer wall of the opening 62; when the turbidity sensor is inserted into the opening 62, the hook 4 is hooked to the flange 63 and the fixing block 5 is clamped to the support plate 61.

Specifically, the base 6 is used for placing a portion of the cleaning article. The support plate 61 may be located at an upper portion of the base 6. The opening 62 is preferably a cylindrical opening and is located in the middle of the support plate 61 and communicates with the internal cleaning space of the base 6. The detecting portion 2 of the turbidity sensor is inserted into the cleaning space, and the hook 4 on the cover 3 is exposed outside the opening 62 and hooked to the flange 63, thereby preventing the turbidity sensor from rotating in the circumferential direction. The fixed block 5 enters together with the detecting portion 2 and is pressed against the support plate 61 to clamp the support plate 61.

As shown in fig. 1, in a preferred embodiment of the present utility model, the dishwasher further includes a gasket 7, a circumferential groove is provided at a junction of the housing 1 and the sensing portion 2, and the gasket 7 is pressed between the circumferential groove and an inner wall of the opening portion 62 when the turbidity sensor is inserted into the opening portion 62.

Specifically, the seal ring 7 functions as a seal between the turbidity sensor and the opening 62. The sealing ring 7 is preferably a circular rubber ring. The seal ring 7 extends into the circumferential groove and is clamped to the inner wall of the opening 62.

As shown in fig. 5, in the preferred embodiment of the present utility model, a notch 621 is formed on the inner wall of the opening 62, and the fixing block 5 is inserted into the opening 62 opposite to the notch 621, and when passing through the notch 621, the fixing block 5 is rotated away from the notch 621 to press against the support plate 61 and clamp the seal ring 7.

Specifically, the number of the notches 621 on the inner wall of the opening portion 62 corresponds to the number of the fixing blocks 5. The fixed block 5 plays a role in preventing the turbidity sensor from falling off, and can also clamp the sealing ring, so that the tightness is improved.

According to the utility model, the circumferential fixing mechanism can be arranged on the sealing cover 3 of the turbidity sensor, the axial fixing mechanism is arranged on the detection part 2, the axial direction of the sensor main body is the extending direction of the rotating shaft which rotates circumferentially of the sensor main body, the circumferential rotating motion of the sensor main body of the turbidity sensor is limited by the circumferential fixing mechanism, and the axial up-and-down motion of the sensor main body is limited by the axial fixing mechanism, so that the motion of the turbidity sensor after being installed is limited by the combination of the circumferential fixing mechanism and the axial fixing mechanism, and the turbidity sensor is firmly fixed.

The structure of trip 4 is adopted to circumference fixed establishment for circumference fixed establishment's simple structure, when turbidity sensor installs dish washer, directly realizes fixed on dish washer's flange 63 through barb 43 hook joint, simple to operate.

The axial fixing mechanism adopts the structure of the fixing block 5, the fixing block 5 is inserted into the lower part of the supporting plate 61 through a notch 621 of the opening part 62 on the base 6 of the dish washer, and the turbidity sensor is prevented from falling off and simultaneously the sealing ring 7 is clamped by rotating to leave the notch 621 side and prop against the supporting plate 61. And the fixed block 5 adopts an elastic structure to better play a role in buffering.

In embodiments of the present utility model, the term "plurality" refers to two or more, unless explicitly defined otherwise. The terms "mounted," "connected," "secured," and the like are to be construed broadly, and may be, for example, fixedly attached, detachably attached, or integrally attached. The specific meaning of the above terms in the embodiments of the present utility model will be understood by those of ordinary skill in the art according to specific circumstances.

In the description of the embodiments of the present utility model, it should be understood that the directions or positional relationships indicated by the terms "upper", "lower", etc. are based on the directions or positional relationships shown in the drawings, are merely for convenience in describing the embodiments of the present utility model and to simplify the description, and do not indicate or imply that the devices or units referred to must have a specific direction, be configured and operated in a specific direction, and thus should not be construed as limiting the embodiments of the present utility model.

In the description of the present specification, the terms "one embodiment," "a preferred embodiment," and the like, mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the embodiments of the present utility model. In this specification, schematic representations of the above terms do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

Thus far, the technical solution of the present utility model has been described in connection with the preferred embodiments shown in the drawings, but it is easily understood by those skilled in the art that the scope of protection of the present utility model is not limited to these specific embodiments. Equivalent modifications and substitutions for related technical features may be made by those skilled in the art without departing from the principles of the present utility model, and such modifications and substitutions will fall within the scope of the present utility model.

Claims

1. A turbidity sensor, comprising:

a sensor body including a housing, a detection portion extending downward along the housing, and a cover provided on the housing;

a circumferential fixing mechanism provided on the cover for restricting circumferential rotation of the sensor body;

and the axial fixing mechanism is arranged on the detection part and is used for limiting the movement of the sensor main body along the axial direction of the sensor main body.

2. The turbidity sensor of claim 1, wherein said circumferential securing mechanism is evenly disposed on said cover when it is a plurality.

3. The turbidity sensor of claim 1, wherein the circumferential securing mechanism is a hook, the hook comprising a first clamping arm, a second clamping arm, and a barb, one end of the first clamping arm being connected to one end of the cover, the other end of the cover being connected to one end of the second clamping arm, the other end of the second clamping arm being connected to the barb.

4. A turbidity sensor according to claim 3, wherein said second snap arm is a resilient arm.

5. The turbidity sensor of claim 1, wherein said sensor body comprises two sensing portions, each sensing portion having an axial securing mechanism disposed thereon.

6. The turbidity sensor of claim 5, wherein said axial securing mechanism is a securing block comprising a block body, a spring and a tab, wherein said block body has a cavity therein, one end of said spring is mounted to the bottom of said block body cavity and the other end is connected to said tab, said tab being disposed toward said cover and at least partially within said cavity.

7. A dishwasher, comprising:

a base;

the turbidity sensor of any one of claims 1 to 6;

wherein, turbidity sensor installs on the base.

8. The dishwasher of claim 7, wherein the base comprises a support plate extending outwardly to form an opening portion, an outer wall of the opening portion being provided with a flange;

when the turbidity sensor is inserted into the opening, the clamping hook is hooked to the flange and the fixing block is clamped to the supporting plate.

9. The dishwasher of claim 8 further comprising a gasket, the junction of the housing and the sensing portion having a circumferential groove, the gasket being compressed between the circumferential groove and an inner wall of the opening when the turbidity sensor is inserted into the opening.

10. The dishwasher of claim 9, wherein the opening has a notch formed in an inner wall thereof, the fixing block being inserted into the opening opposite to the notch, and the sealing ring being clamped by screwing the fixing block away from the notch to press against the support plate while passing through the notch.