CN219557197U - Turbidity sensor and dish washer - Google Patents

Abstract

The utility model relates to the technical field of household appliances, specifically provides a turbidity sensor and a dishwasher, aiming at solving the problem of complicated and unstable installation of the turbidity sensor in the prior art. For this purpose, the turbidity sensor of the present invention includes a sensor body, a circumferential fixing mechanism and an axial fixing mechanism. The sensor main body includes a housing, a detection portion extending downward along the housing, and a cover set on the housing. The circumferential fixing mechanism is arranged on the cover to limit the circumferential rotation of the sensor main body and fix it axially. The mechanism is arranged on the detection part, and is used to limit the movement of the sensor body along its own axial direction. The turbidity sensor is firmly fixed to the dishwasher through the circumferential fixing mechanism and the circumferential fixing mechanism, and has a simple structure, convenient installation and firm fixing.

Description

Turbidity sensor and dishwasher

technical field

The utility model relates to the technical field of household appliances, and specifically provides a turbidity sensor and a dishwasher.

Background technique

At present, with the improvement of people's living standards, various home appliances have entered the family. With the development of the dishwasher market, more and more users use dishwashers. In order to detect the degree of dirt during the washing process, turbidity sensors are widely used in current dishwashers to reduce the occurrence of over-washing and under-washing by detecting the degree of dirt during the washing process, ensuring clean washing while reducing resources waste.

At present, turbidity sensors are mostly installed by screw fixing, which has problems such as complicated installation, many assembly parts, not firm, and cumbersome maintenance.

Therefore, a new turbidity sensor is urgently needed in this field to solve the above-mentioned problems in installation.

Utility model content

The utility model aims to solve the above-mentioned technical problems, that is, solve the problem that the installation of the turbidity sensor is complicated and not firm in the prior art.

In the first aspect, the utility model provides a turbidity sensor, the turbidity sensor includes a sensor body, a circumferential fixing mechanism and an axial fixing mechanism, the sensor body includes a housing, The extended detection part and the cover provided on the housing; the circumferential fixing mechanism is arranged on the cover to limit the circumferential rotation of the sensor main body; the axial fixing mechanism is provided On the detection part, it is used to limit the movement of the sensor body along its own axis.

In a preferred technical solution of the above turbidity sensor, when there are multiple circumferential fixing mechanisms, they are evenly arranged on the cover.

In the preferred technical solution of the above-mentioned turbidity sensor, the circumferential fixing mechanism is a hook, and the hook includes a first snap arm, a second snap arm and a barb, and one end of the first snap arm The other end of the cover is connected to one end of the second clamping arm, and the other end of the second clamping arm is connected to a barb.

In a preferred technical solution of the above-mentioned turbidity sensor, the second clamping arm is an elastic arm.

In a preferred technical solution of the above-mentioned turbidity sensor, the sensor body includes two detection parts, each of which is provided with an axial fixing mechanism.

In the preferred technical solution of the above-mentioned turbidity sensor, the axial fixing mechanism is a fixed block, and the fixed block includes a block body, a spring and a protrusion, wherein, the inside of the block body has a cavity, and the inside of the spring One end is installed at the bottom of the cavity of the block body, and the other end is connected to a protrusion, and the protrusion is at least partly located in the cavity and disposed toward the cover.

In a second aspect, the present invention provides a dishwasher, which includes a base and the aforementioned turbidity sensor, and the turbidity sensor is installed on the base.

In a preferred technical solution of the above dishwasher, the base includes a support plate, the support plate extends outward to form an opening, and a flange is provided on the outer wall of the opening; the turbidity sensor is inserted into the When opening, the hook is hooked to the flange and the fixing block is fastened to the support plate.

In a preferred technical solution of the above-mentioned dishwasher, the dishwasher further includes a sealing ring, and a circumferential groove is formed at the connection between the housing and the detection part, and the sealing ring squeezes when the turbidity sensor is inserted into the opening. Pressed between the circumferential groove and the inner wall of the opening.

In the preferred technical solution of the above-mentioned dishwasher, a notch is opened on the inner wall of the opening, the fixing block is inserted into the opening facing the notch, and when passing through the notch, the fixed block A block is rotated out of the notch to press against the support plate and grip the sealing ring.

In the case of adopting the above-mentioned technical solution, the utility model can set a circumferential fixing mechanism on the cover of the turbidity sensor, and an axial fixing mechanism on the detection part, and the axial direction of the sensor body is the circumferential rotation of the sensor body. The extension direction of the rotating shaft of the turbidity sensor limits the circumferential rotational movement of the sensor body of the turbidity sensor through the circumferential fixing mechanism, and limits the axial up and down movement of the sensor body through the axial fixing mechanism, so that the The combination of mechanisms limits the movement of the turbidity sensor after installation and is firmly fixed.

The circumferential fixing mechanism adopts a hook structure, which makes the structure of the circumferential fixing mechanism simple. When the turbidity sensor is installed in the dishwasher, it is directly fixed by hooking the barb on the flange of the dishwasher, which is convenient for installation.

The axial fixing mechanism adopts a fixed block structure. The fixed block is inserted into the lower part of the support plate through the gap in the opening above the base of the dishwasher, and rotates away from the gap side and withstands the support plate to prevent the turbidity sensor from falling off and clamp the sealing ring. . In addition, the elastic structure of the fixed block can better play a buffering role.

Description of drawings

Describe preferred embodiment of the present utility model below in conjunction with accompanying drawing, in accompanying drawing:

Fig. 1 is the schematic diagram of the embodiment of the turbidity sensor of the present utility model;

Fig. 2 is the top view of the embodiment of the turbidity sensor of the present utility model;

Fig. 3 is the schematic diagram of the embodiment of the fixed block of the present utility model;

Fig. 4 is a schematic diagram of an embodiment in which the turbidity sensor of the present invention is installed on the base of the dishwasher;

Fig. 5 is another schematic diagram of an embodiment of the turbidity sensor of the present invention installed on the base of the dishwasher.

Reference signs:

1. Shell;

2. Testing department;

3. Cover;

4. Snap hook; 41. First snap arm; 42. Second snap arm; 43. Barb;

5, fixed block; 51, block body; 52, spring; 53, bump;

6. Base; 61. Support plate; 62. Opening; 621. Notch; 63. Flange;

7. Sealing ring.

Detailed ways

Some embodiments of the present utility model are described below with reference to the accompanying drawings. Those skilled in the art should understand that these embodiments are only used to explain the technical principle of the utility model, and are not intended to limit the protection scope of the utility model.

Referring to Fig. 1 and Fig. 2, Fig. 1 is a schematic diagram of an embodiment of the turbidity sensor of the present invention. Fig. 2 is a top view of an embodiment of the turbidity sensor of the present invention.

As shown in Figure 1 and Figure 2, the turbidity sensor of this embodiment includes a sensor body, a circumferential fixing mechanism and an axial fixing mechanism, the sensor body includes a housing 1, a detection part 2 extending downward along the housing 1 and Covering the cover 3 on the housing 1, the circumferential fixing mechanism is set on the cover 3 to limit the circumferential rotation of the sensor body, and the axial fixing mechanism is set on the detection part 2 to limit the sensor body along the own axial movement.

Specifically, the axial direction of the sensor body itself is the extension direction of the rotation axis of the sensor body that rotates in the circumferential direction. The main body of the sensor is generally in a cylindrical structure, and the detection part 2 can be a strip-shaped structure with different lengths, which can be inserted into the detection part of the dishwasher for detection during installation. After the turbidity sensor is installed in place, the circumferential fixing mechanism restricts its circumferential rotational movement along the rotational axis, and the rotational axis can generally be the central axis of the cylinder. The quantity of the circumferential fixing mechanism is at least one. The axial fixing mechanism can limit the up and down movement of the turbidity sensor along its own axis after it is installed in place.

In a preferred technical solution of the present utility model, when there are multiple circumferential fixing mechanisms, they are evenly arranged on the cover 3 .

Specifically, the cover 3 is a circular cover, and a plurality of circumferential fixing mechanisms can be evenly distributed in its circumferential direction, which can reduce the force received by a single circumferential fixing mechanism and better limit the circumferential rotation movement. role.

As shown in Figure 1 and Figure 2, in the preferred technical solution of the utility model, the circumferential fixing mechanism is a hook 4, and the hook 4 includes a first snapping arm 41, a second snapping arm 42 and a barb 43, One end of the first locking arm 41 is connected to the cover 3 and the other end is connected to one end of the second locking arm 42 , and the other end of the second locking arm 42 is connected to the barb 43 .

Preferably, the second engaging arm 42 is an elastic arm.

Specifically, the overall shape of the hook 4 is similar to the shape of the horizontal folding hook after the word "knife" is removed. The first clamping arm 41 is preferably a straight arm to facilitate fixing to the cover 3, and the second clamping arm 42 is preferably an arm with a certain arc and is preferably elastic, so that the second clamping arm 42 is hooked on the hook 4 When connected, it can be bent and elastically deformed, so that the barb 43 is hooked and fixed more firmly, effectively preventing the overall rotation of the turbidity sensor.

As shown in FIG. 1 , in a preferred technical solution of the present invention, the sensor body includes two detection parts 2 , and each detection part 2 is provided with an axial fixing mechanism.

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

In addition, the number of axial fixing mechanisms can be more than or less than the number of detection parts 2 , but the number of axial fixing mechanisms is at least one.

Referring to FIG. 3 , FIG. 3 is a schematic diagram of an embodiment of the fixing block 5 of the present invention.

As shown in Figures 1 to 3, in the preferred technical solution of the present utility model, the axial fixing mechanism is a fixed block 5, and the fixed block 5 includes a block body 51, a spring 52 and a protrusion 53, wherein the inside of the block body 51 There is a cavity, one end of the spring 52 is installed at the bottom of the cavity of the block body 51 , and the other end is connected to the protrusion 53 , the protrusion 53 is arranged towards the cover 3 and at least partly located in the cavity.

Specifically, the fixing block 5 can be a rectangular parallelepiped, a cube, etc., and its interior is hollow. The block body 51 has a cavity inside, 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 protrusion 53 . The protrusion 53 of the fixing block 5 faces the direction of the cover 3 and can move up and down in the cavity. When the protrusion 53 moves to the top of the block body 51 until its top is flush with the top of the block body 51 , it does not move inward, and the spring 52 is in a fully compressed state at this moment.

Referring to FIG. 4 to FIG. 5 , FIG. 4 is a schematic diagram of an embodiment in which the turbidity sensor of the present invention is installed on the base 6 of the dishwasher. Fig. 5 is another schematic diagram of an embodiment in which the turbidity sensor of the present invention is installed on the base 6 of the dishwasher.

As shown in FIGS. 4 to 5 , the dishwasher in this embodiment includes a base 6 and the aforementioned turbidity sensor, and the turbidity sensor is installed on the base 6 .

Specifically, for the specific limitations of the turbidity sensor in the dishwasher, reference may be made to the above-mentioned definition of the turbidity sensor, which will not be repeated here.

As shown in Figures 4 to 5, in the preferred technical solution of the present utility model, the base 6 includes a support plate 61, the support plate 61 extends outward to form an opening 62, and a flange 63 is provided on the 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 fastened to the support plate 61 .

Specifically, the base 6 is used for placing cleaning objects. The support plate 61 may be located on the upper portion of the base 6 . The opening 62 is preferably a cylindrical opening, located in the middle of the support plate 61 , and communicated with the inner cleaning space of the base 6 . The detection part 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 a circumferential direction. The fixing block 5 enters together with the detection part 2 , and presses against the support plate 61 to clamp the support plate 61 .

As shown in Figure 1, in the preferred technical solution of the present utility model, the dishwasher also includes a sealing ring 7, the connection between the housing 1 and the detection part 2 has a circumferential groove, and the sealing ring 7 is inserted into the opening 62 of the turbidity sensor. When squeezed between the circumferential groove and the inner wall of the opening 62 .

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

As shown in Figure 5, in the preferred technical solution of the present utility model, a notch 621 is provided on the inner wall of the opening 62, and the fixing block 5 is inserted into the opening 62 facing the notch 621, and when passing through the notch 621, the fixing block 5 Rotate away from the notch 621 to press against the support plate 61 and tighten the sealing ring 7.

Specifically, the number of notches 621 on the inner wall of the opening portion 62 corresponds to the number of the fixing blocks 5 . The fixing block 5 plays a role in preventing the turbidity sensor from falling off, and at the same time, can clamp the sealing ring to increase the sealing performance.

The utility model can be provided with a circumferential fixing mechanism on the cover 3 of the turbidity sensor, and an axial fixing mechanism can be arranged on the detection part 2. The axial direction of the sensor main body is the extension direction of the rotational axis of the sensor main body. The circumferential rotational movement of the sensor body of the turbidity sensor is limited by the circumferential fixing mechanism, and the axial up and down movement of the sensor body is limited by the axial fixing mechanism, so that the turbidity is limited by the combination of the circumferential fixing mechanism and the axial fixing mechanism Movement after the sensor is installed, securely fixed.

The circumferential fixing mechanism adopts the structure of the hook 4, which makes the structure of the circumferential fixing mechanism simple. When the turbidity sensor is installed in the dishwasher, it is directly hooked to the flange 63 of the dishwasher through the barb 43 to achieve fixation. Easy to install.

The axial fixing mechanism adopts the structure of the fixed block 5. The fixed block 5 is inserted into the lower part of the support plate 61 through the gap 621 of the opening 62 on the base 6 of the dishwasher, and rotates away from the side of the gap 621 and withstands the support plate 61 to prevent The turbidity sensor comes off and clamps the sealing ring 7 at the same time. Moreover, the elastic structure of the fixed block 5 can better play a buffering role.

In the embodiments of the present utility model, the term "plurality" means two or more, unless otherwise clearly defined. Terms such as "installation", "connection" and "fixation" should be interpreted broadly, for example, "connection" can be a fixed connection, a detachable connection, or an integral connection. Those of ordinary skill in the art can understand the specific meanings of the above terms in the embodiments of the present utility model according to specific situations.

In the description of the embodiments of the present utility model, it should be understood that the orientation or positional relationship indicated by the terms "upper", "lower", etc. is based on the orientation or positional relationship shown in the drawings, and is only for the convenience of describing the implementation of the utility model. Examples and simplified descriptions do not indicate or imply that the device or unit referred to must have a specific direction, be constructed and operated in a specific orientation, and therefore, should not be construed as limiting the embodiments of the present invention.

In the description of this specification, the description of the terms "one embodiment", "one preferred embodiment" and the like mean that the specific features, structures, materials or characteristics described in conjunction with this embodiment or example are included in at least one embodiment of the present invention In an embodiment or example. In this specification, schematic representations of the above terms do not necessarily refer to the same embodiment or example. Furthermore, the specific features, structures, materials or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

So far, the technical solution of the utility model has been described in conjunction with the preferred implementations shown in the accompanying drawings, however, those skilled in the art can easily understand that the protection scope of the utility model is obviously not limited to these specific implementations. On the premise of not departing from the principle of the utility model, those skilled in the art can make equivalent changes or substitutions to relevant technical features, and the technical solutions after these changes or substitutions will all fall within the protection scope of the utility model.

Claims (10)

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.