阅读说明：本技术 液位开关安装结构、液位开关及电器设备 (Liquid level switch mounting structure, liquid level switch and electrical equipment ) 是由 付道明 蔡伟达 柏长升 黄才笋 苏俊宁 李冬阳 于 2021-08-10 设计创作，主要内容包括：本发明提供了一种液位开关安装结构、液位开关及电器设备,涉及液位检测技术领域,解决了现有技术中存在的现有的液位开关存在安装不方便的技术问题。液位开关安装结构包括卡接固定结构和设置在液位开关上的连接部,其中,卡接固定结构包括卡接部和配合部,卡接部和配合部两者其中之一设置在连接部上、另一设置在电器设备的支架板上,向靠近支架板的方向竖直移动连接部且移动到位后,通过卡接部与配合部相配合能实现连接部卡接在支架板上。本发明用于实现液位开关与支架板的快速安装。(The invention provides a liquid level switch mounting structure, a liquid level switch and electrical equipment, relates to the technical field of liquid level detection, and solves the technical problem that the conventional liquid level switch in the prior art is inconvenient to mount. The liquid level switch mounting structure includes joint fixed knot structure and the connecting portion of setting on liquid level switch, and wherein, joint fixed knot structure includes joint portion and cooperation portion, and joint portion and cooperation portion one of them setting are on connecting portion, another setting are on electrical equipment's mounting panel, to the vertical removal connecting portion of the direction that is close to the mounting panel and remove the back that targets in place, cooperate mutually through joint portion and cooperation and can realize connecting portion joint on the mounting panel. The invention is used for realizing the quick installation of the liquid level switch and the bracket plate.)

1. A liquid level switch mounting structure is characterized by comprising a clamping fixing structure and a connecting part arranged on a liquid level switch, wherein,

the joint fixed knot constructs including joint portion and cooperation portion, joint portion with one of them sets up of cooperation portion connecting portion are last, another sets up on electrical equipment's mounting panel (1), to being close to the vertical removal of direction of mounting panel (1) connecting portion just remove the back that targets in place, through joint portion with cooperation portion mutually supports and can realize the connecting portion joint is in on mounting panel (1).

2. The liquid level switch mounting structure of claim 1, wherein the number of the clamping fixing structures is one; or the connecting part and the support plate (1) are connected through more than two clamping fixing structures.

3. The liquid level switch mounting structure according to claim 1 or 2, wherein the connecting portion comprises a fixing plate (4), the fixing plate (4) is connected with a main rod (6) of the liquid level switch, and a clamping portion or a matching portion of the clamping fixing structure is arranged on the fixing plate (4).

4. The liquid level switch mounting structure according to claim 3, wherein the clamping fixing structure is an elastic clamping structure, the matching part of the clamping fixing structure is a clamping hole (2), and the clamping part of the clamping fixing structure is an elastic clamping buckle (3).

5. The liquid level switch mounting structure according to claim 4, wherein there is a portion protruding upward on the fixing plate (4), a buckle receiving cavity (5) is formed inside the protruding portion, the elastic buckle (3) is located in the buckle receiving cavity (5) and the bottom of the elastic buckle (3) protrudes out of the buckle receiving cavity (5), and when the fixing plate (4) is clamped on the bracket plate (1), the fixing plate (4) is in contact with the bracket plate (1).

6. The liquid level switch mounting structure according to claim 4, wherein the elastic buckle (3) comprises a first elastic column (301) and a second elastic column (302), the first elastic column (301) and the second elastic column (302) are arranged oppositely and have a distance therebetween, a hook (303) is arranged at a free end of the first elastic column (301) and a free end of the second elastic column (302), and the support plate (1) can be clamped between the hook (303) and the fixing plate (4).

7. The liquid level switch mounting structure according to claim 3, wherein a left side plate (7) and a right side plate (8) are arranged on the fixing plate (4), the left side plate (7) and the right side plate (8) are arranged on two sides of the main rod (6), and the inner side surface of the left side plate (7) and the inner side surface of the right side plate (8) are respectively matched with the left side surface and the right side surface of the support plate (1).

8. The liquid level switch mounting structure according to claim 7, wherein a limiting protrusion (9) is arranged on the inner side surface of the left side plate (7) and/or the right side plate (8), and the bracket plate (1) is contacted with the limiting protrusion (9) to limit the fixing plate (4) to continuously move vertically in the direction of the bracket plate (1).

9. The liquid level switch mounting structure according to claim 7, wherein the clamping fixing structure is a hook fixing structure, the clamping portions of the hook fixing structure are elastic clamping hooks (10), the clamping portions of the hook fixing structure are two opposite ends of the support plate (1), the elastic clamping hooks (10) are arranged on the left side plate (7) and the right side plate (8), and the support plate (1) can be limited between the elastic clamping hooks (10) and the fixing plate (4).

10. The liquid level switch mounting structure according to claim 9, wherein the fixing plate (4) is provided with a positioning column (18), the support plate (1) is provided with a positioning hole, and the positioning column (18) is inserted into the positioning hole.

11. The liquid level switch mounting structure according to claim 3, wherein a limiting column (11) is arranged on the lower plate surface of the fixing plate (4) or the upper plate surface of the support plate (1), and the support plate (1) is in contact with the limiting column (11) to limit the fixing plate (4) to continuously move vertically in the direction of the support plate (1).

12. The liquid level switch mounting structure according to claim 3, wherein a rear side plate (12) is disposed on the fixing plate (4), a main rod avoiding notch (13) is disposed on the supporting plate (1), and the rear side plate (12) is matched with a corresponding side surface of the supporting plate (1).

13. A liquid level switch, characterized in that the liquid level switch is fixed on a bracket plate (1) of the electrical equipment through a liquid level switch mounting structure of any one of claims 1-12, and a connecting part of the liquid level switch mounting structure is arranged on the liquid level switch.

14. The liquid level switch according to claim 13, characterized in that it comprises a magnetic float (14), an upper limit plate (15) and a lower limit plate (16), said upper limit plate (15) and said lower limit plate (16) being arranged above and below said magnetic float (14), respectively;

one side of the upper limiting plate (15) facing the magnetic floater (14) is provided with a convex structure (17) for reducing the contact area of the magnetic floater (14) and the upper limiting plate (15) and/or one side of the lower limiting plate (16) facing the magnetic floater (14) is provided with a convex structure (17) for reducing the contact area of the magnetic floater (14) and the lower limiting plate (16).

15. An electrical appliance comprising the level switch mounting structure of any one of claims 1-12.

Technical Field

The invention relates to the technical field of liquid level detection, in particular to a liquid level switch mounting structure, a liquid level switch and electrical equipment.

Background

The liquid level switch is a conventional part of the household appliance, is arranged in a water storage part of the appliance and is used for sensing the water level of the water storage part in real time, converting the water level into an electric signal and feeding the electric signal back to the main control module, and then the main control module controls the drainage pump to be started/closed to drain away water in the water storage part.

In the use process, the liquid level switch needs to be connected with a support plate on the household appliance to support and fix. The existing liquid level switch, for example, patent with publication number CN102915873A, discloses that liquid level switch is last to set up the draw-in groove, and the mounting panel passes through the screw fixation after inserting the draw-in groove, and this kind of mounting means needs additionally to increase the screw, and the installation effectiveness is low.

In addition, the magnetic floater on the liquid level switch is positioned between the upper limiting plate and the lower limiting plate, and the upper and lower moving ranges of the magnetic floater are limited through the upper limiting plate and the lower limiting plate.

Disclosure of Invention

The invention aims to provide a liquid level switch mounting structure, a liquid level switch and electrical equipment, and solves the technical problem that the existing liquid level switch in the prior art is inconvenient to mount. The technical effects that can be produced by the preferred technical scheme in the technical schemes provided by the invention are described in detail in the following.

In order to achieve the purpose, the invention provides the following technical scheme:

the invention provides a liquid level switch mounting structure which comprises a clamping fixing structure and a connecting part arranged on a liquid level switch, wherein the clamping fixing structure comprises a clamping part and a matching part, one of the clamping part and the matching part is arranged on the connecting part, the other of the clamping part and the matching part is arranged on a support plate of electrical equipment, and after the connecting part is vertically moved towards the direction close to the support plate and is moved in place, the connecting part can be clamped on the support plate through the matching of the clamping part and the matching part.

Furthermore, the number of the clamping and fixing structures is one; or the connecting part and the support plate are connected through more than two clamping fixing structures.

Further, connecting portion include the fixed plate, the fixed plate with liquid level switch's mobile jib is connected, set up on the fixed plate joint portion or cooperation portion of joint fixed knot structure.

Further, there are the joint fixed knot constructs for the elasticity buckle structure, buckle fixed knot constructs the cooperation portion and is the joint hole, buckle fixed knot constructs the joint portion and is the elasticity buckle.

Furthermore, there is the position of upwards protruding on the fixed plate, the inboard formation buckle at protruding position holds the chamber, elasticity buckle is located the buckle holds the intracavity and the bottom of elasticity buckle is outstanding the buckle holds the chamber, works as the fixed plate card is in when on the mounting panel, the fixed plate with the mounting panel contacts.

Further, the elastic buckle comprises a first elastic column and a second elastic column, the first elastic column and the second elastic column are arranged oppositely, and are spaced, a clamping hook is arranged at the free end of the first elastic column and the free end of the second elastic column, and the support plate can be clamped between the clamping hook and the fixing plate.

Further, be provided with left side board and right side board on the fixed plate, the left side board with the right side board is established the both sides of mobile jib, the medial surface of left side board and the medial surface of right side board respectively with the left surface and the right flank of mounting panel cooperate.

Furthermore, the inner side surface of the left side plate and/or the right side plate is provided with a limiting protrusion, and the support plate is contacted with the limiting protrusion to limit the fixing plate to continuously vertically move towards the support plate.

Further, the clamping fixing structure is a clamping hook fixing structure, the clamping portion of the clamping hook fixing structure is an elastic clamping hook, the clamping portion of the clamping hook fixing structure is provided with two opposite end portions of the support plate, the elastic clamping hook is arranged on the left side plate and the right side plate, and the support plate can pass through the elastic clamping hook and the fixed plate.

Furthermore, a positioning column is arranged on the fixing plate, a positioning hole is formed in the support plate, and the positioning column is inserted into the positioning hole.

Furthermore, the lower plate surface of the fixing plate or the upper plate surface of the support plate is provided with a limiting column, and the support plate is in contact with the limiting column to limit the fixing plate to continue to vertically move towards the support plate.

Further, be provided with the posterior lateral plate on the fixed plate, set up the mobile jib on the mounting panel and dodge the breach, the posterior lateral plate with the corresponding side of mounting panel cooperatees.

The liquid level switch is fixed on a support plate of electrical equipment through the liquid level switch mounting structure, and the liquid level switch is provided with a connecting part of the liquid level switch mounting structure.

Further, the liquid level switch comprises a magnetic floater, an upper limiting plate and a lower limiting plate, wherein the upper limiting plate and the lower limiting plate are respectively arranged above and below the magnetic floater; one side of the upper limiting plate, which faces the magnetic floater, is provided with a protruding structure for reducing the contact area of the magnetic floater and the upper limiting plate, and/or one side of the lower limiting plate, which faces the magnetic floater, is provided with a protruding structure for reducing the contact area of the magnetic floater and the lower limiting plate.

The electrical equipment comprises the liquid level switch mounting structure.

The invention provides a liquid level switch mounting structure which comprises a connecting part and a clamping fixing structure, wherein the connecting part and the clamping fixing structure are arranged on a liquid level switch, the clamping fixing structure comprises a clamping part and a matching part, one of the clamping part and the matching part is arranged on the connecting part, the other clamping part is arranged on a support plate of electrical equipment, the connecting part is vertically moved towards the direction close to the support plate so that when the clamping part is connected with the matching part, the connecting part can be connected onto the support plate, and the liquid level switch and the support plate can be rapidly mounted.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.

FIG. 1 is a schematic front view of a level switch provided by an embodiment of the present invention;

FIG. 2 is a schematic bottom view of the connection portion of FIG. 1;

FIG. 3 is a schematic front view of a mounting plate associated with the level switch of FIG. 1;

FIG. 4 is a schematic front view of a level switch provided by an embodiment of the present invention;

FIG. 5 is a bottom schematic view of the connection portion of FIG. 4;

FIG. 6 is an enlarged view of a portion of FIG. 1 at A;

FIG. 7 is a schematic view of the engagement between the engaging hole and the elastic buckle according to the embodiment of the present invention;

fig. 8 is a schematic view of the bracket plate and the connecting portion provided in the embodiment of the present invention.

FIG. 1-mounting plate; 2-a clamping hole; 3, elastic buckle; 301-a first resilient post; 302-a second bullet column; 303-hook; 4, fixing a plate; 5-a buckle accommodating cavity; 6-main rod; 7-left side plate; 8-right side plate; 9-limiting bulges; 10-elastic hook; 11-a limiting column; 12-rear side plate; 13-main rod avoiding gap; 14-a magnetic float; 15-upper limiting plate; 16-a lower retainer plate; 17-raised structures; 18-positioning columns.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more apparent, the technical solutions of the present invention will be described in detail below. It is to be understood that the described embodiments are merely exemplary of the invention, and not restrictive of the full scope of the invention. All other embodiments, which can be derived by a person skilled in the art from the examples given herein without any inventive step, are within the scope of the present invention.

The invention provides a liquid level switch mounting structure which comprises a clamping fixing structure and a connecting part arranged on a liquid level switch, wherein the clamping fixing structure comprises a clamping part and a matching part, one of the clamping part and the matching part is arranged on the connecting part, the other one of the clamping part and the matching part is arranged on a support plate 1 of electrical equipment, and after the connecting part is vertically moved in a direction close to the support plate 1 and is moved in place, the connecting part can be clamped on the support plate 1 through the matching of the clamping part and the matching part. Realize the quick installation of liquid level switch and mounting panel 1. As an optional implementation mode, the number of the clamping fixing structures is one; or the connecting part is connected with the bracket plate 1 through more than two clamping fixing structures. The clamping and fixing structures with proper quantity can be arranged according to the working condition of the liquid level switch.

Example 1:

the invention provides a liquid level switch mounting structure which comprises a connecting part and a clamping and fixing structure which are arranged on a liquid level switch, wherein the clamping and fixing structure comprises a clamping part and a matching part, one of the clamping part and the matching part is arranged on the connecting part, the other clamping part is arranged on a support plate 1 of electrical equipment, after the connecting part is vertically moved towards the direction close to the support plate 1 and is moved in place, the connecting part can be clamped on the support plate 1 through the matching of the clamping part and the matching part, and the liquid level switch and the support plate 1 can be rapidly mounted.

The clamping fixing structure is an elastic clamping buckle structure, the matching part of the clamping fixing structure is a clamping hole 2, and the clamping part of the clamping fixing structure is an elastic clamping buckle 3. Referring to fig. 3, it is shown that the bracket plate 1 is provided with the clamping hole 2, and referring to fig. 7, it is shown that the clamping hole 2 is matched with the elastic buckle 3. With connecting portion setting in the top of mounting panel 1, then vertical removal connecting portion so that the elasticity buckle 3 on the connecting portion inserts buckle hole 2, realize being connected between liquid level switch and the mounting panel 1. Of course, the elastic clip 3 may be provided on the holder plate 1, and the clip hole 2 may be provided on the mounting portion.

Regarding the specific structure of elastic buckle 3, see fig. 6, elastic buckle 3 includes first elastic column 301 and second bullet post 302, first elastic column 301 and second bullet post 302 set up relatively and there is the interval between them, connecting portion include fixed plate 4, fixed plate 4 is connected with level switch's mobile jib 6, the one end of first elastic column 301 and second bullet post 302 all is connected with fixed plate 4 of connecting portion, set up trip 303 on first elastic column 301 and the second bullet post 302, mounting panel 1 can be pressed from both sides between trip 303 and fixed plate 4. Set up first elasticity post 301 and second bullet post 302 on the lower face of fixed plate 4, when inserting the joint hole 2 on the mounting panel 1 with elasticity post 301 and second bullet post 302, first elasticity post 301 and second bullet post 302 take place elastic deformation to the direction that is close to the other side and make first elasticity post 301 and second bullet post 302 insert joint hole 2, when trip 303 passes joint hole 2, first elasticity post 301 and second bullet post 302 reset, final mounting panel 1 presss from both sides between trip 303 and fixed plate 4, see fig. 7. In addition, referring to fig. 1, the elastic buckle 3 may also be disposed on the upper plate surface of the fixing plate 4, and when mounting, the fixing plate 4 is disposed below the bracket plate 1, and the fixing plate 4 is moved vertically upward so that the elastic buckle 3 is inserted into the buckle hole 2.

Be provided with left side board 7 and right side board 8 on fixed plate 4, left side board 7 and right side board 8 are established in the both sides of mobile jib 6, and the medial surface of left side board 7 and the medial surface of right side board 8 cooperate so that the vertical push of guide fixed plate 4 to mounting panel 1 with the left surface and the right flank of mounting panel 1 respectively. Left side board 7 and right side board 8 all play spacing effect, and preferred left side board 7 and right side board 8 all are perpendicular to fixed plate 4.

As an optional embodiment, a limiting protrusion 9 is disposed on an inner side surface of the left side plate 7 and/or the right side plate 8, and the bracket plate 1 is in contact with the limiting protrusion 9 to limit the fixing plate 4 to continue to move vertically in the direction of the bracket plate 1. Referring to fig. 6, the limiting protrusion 9 is shown, and the limiting protrusion 9 limits the fixing plate 4 to continue to move vertically towards the supporting plate 1. Alternatively, the following may be used: referring to fig. 7, there is an upward convex portion on the fixing plate 4, a buckle accommodating cavity 5 is formed on the inner side of the convex portion, the elastic buckle 3 is located in the buckle accommodating cavity 5, and the bottom of the elastic buckle 3 protrudes out of the buckle accommodating cavity 5, when the fixing plate 4 is clamped on the support plate 1, the fixing plate 4 contacts with the support plate 1, and contacts with the support plate 1 through the fixing plate 4 to limit the fixing plate 4 to continue to move vertically in the direction of the support plate 1. Or, referring to fig. 8, the lower plate surface of the fixing plate 4 or the upper plate surface of the supporting plate 1 is provided with a limiting post 11, and the supporting plate 1 contacts with the limiting post 11 to limit the fixing plate 4 to continue to move vertically in the direction of the supporting plate 1.

As an optional embodiment, a rear side plate 12 is disposed on the fixing plate 4, a main rod avoiding notch 13 is disposed on the supporting plate 1, when the fixing plate 4 is located above the supporting plate 4, the main rod 6 is inserted into the main rod avoiding notch 13, and the rear side plate 12 is matched with a corresponding side surface of the supporting plate 1. Referring to fig. 3, the rear side plate 12 is matched with the side surface of the support plate 1 provided with the main rod avoiding notch 13. The rear side plate 12 may be a single continuous elongated plate, or the rear side plate 12 may be two or more and disposed at the rear side of the main lever 3. Referring to fig. 2, two rear side panels 12 are illustrated.

Example 2:

different from embodiment 1, referring to fig. 4, there is a snap fixing structure (i.e. the connecting portion is connected to the supporting board 1 through two snap fixing structures), the snap portion of the snap fixing structure is an elastic snap 10, the snap portion of the snap fixing structure is two opposite ends of the supporting board 1, the lower end surfaces of the left side board 7 and the right side board 8 are provided with elastic snaps 10, and the elastic snap 10 is made of elastic material. Referring to fig. 6, move fixed plate 4 to the top of mounting panel 1, then vertical downstream fixed plate 4, at the in-process that removes fixed plate 4, elastic deformation takes place for elastic clamping hook 10 (at this moment, elastic clamping buckle 3 also can insert joint hole 2), and the back is put in place in the fixed plate 4 removal, and the both ends support respectively on elastic clamping hook 10 about mounting panel 1, and simultaneously, mounting panel 1 presss from both sides between trip 303 and fixed plate 4.

In addition, when the elastic buckle 3 is disposed on the upper surface of the fixing plate 4, the left side plate 7 and the right side plate 8 are required to protrude out of the upper surface of the fixing plate 4, and the upper end surfaces of the left side plate 7 and the right side plate 8 are provided with the elastic hook 10, that is, the elastic hook 10 is disposed above the fixing plate 4.

Example 3:

the invention provides a liquid level switch mounting structure which comprises a connecting part and a clamping and fixing structure which are arranged on a liquid level switch, wherein the clamping and fixing structure comprises a clamping part and a matching part, one of the clamping part and the matching part is arranged on the connecting part, the other clamping part is arranged on a support plate 1 of electrical equipment, after the connecting part is vertically moved towards the direction close to the support plate 1 and is moved in place, the connecting part can be clamped on the support plate 1 through the matching of the clamping part and the matching part, and the liquid level switch and the support plate 1 can be rapidly mounted.

Connecting portion include fixed plate 4, and fixed plate 4 is connected with liquid level switch's mobile jib 6, sets up joint fixed knot structure's joint portion or cooperation portion on fixed plate 4. Be provided with left side board 7 and right side board 8 on fixed plate 4, left side board 7 and right side board 8 establish the both sides at mobile jib 6, and the medial surface of left side board 7 and the medial surface of right side board 8 cooperate with the left surface and the right flank of mounting panel 1 respectively.

There is joint fixed knot to construct for the trip fixed knot (connecting portion are connected through a joint fixed knot with mounting panel 1), and the joint portion of trip fixed knot constructs is elasticity trip 10, and the joint portion of trip fixed knot constructs for mounting panel 1 relative both ends, and the lower terminal surface of left side board 7 and right side board 8 sets up elasticity trip 10, and elasticity trip 10 is the elasticity material. Referring to fig. 6, move fixed plate 4 to the top of mounting panel 1, then vertical downstream fixed plate 4, at the in-process that removes fixed plate 4, elastic clamping hook 10 takes place elastic deformation (at this moment, elastic clamping buckle 3 also can insert joint hole 2), and the back is put in place in the fixed plate 4 removal, and the both ends support respectively on elastic clamping hook 10 about mounting panel 1, and mounting panel 1 is spacing between elastic clamping hook 10 and fixed plate 4.

Preferably, the fixing plate 4 is provided with a positioning column 18, the support plate 1 is provided with a positioning hole, and the positioning column 18 is inserted into the positioning hole. Referring to fig. 8, it is shown that the positioning posts 18 are inserted into positioning holes on the supporting plate 1, and the positioning holes may be the clamping holes 2. When the support plate 1 is limited between the elastic hook 10 and the fixing plate 4, the connecting part is limited to move along the horizontal direction by the matching of the positioning column 18 and the positioning hole.

Example 4:

a liquid level switch is fixed on a support plate 1 of electrical equipment through a liquid level switch mounting structure described in embodiment 1 or embodiment 2 or embodiment 3, a connecting portion of the liquid level switch mounting structure is arranged on the liquid level switch, referring to fig. 1, the liquid level switch provided with the connecting portion is shown, and a clamping portion or a matching portion of a clamping fixing structure is arranged on the connecting portion.

As an alternative embodiment, the liquid level switch comprises a magnetic float 14, an upper limit plate 15 and a lower limit plate 16, the upper limit plate 15 and the lower limit plate 16 are respectively arranged above and below the magnetic float 14; the side of the upper limiting plate 15 facing the magnetic float 14 is provided with a raised structure 17 for reducing the contact area of the magnetic float 14 with the upper limiting plate 15 and/or the side of the lower limiting plate 16 facing the magnetic float 14 is provided with a raised structure 17 for reducing the contact area of the magnetic float 14 with the lower limiting plate 16. When the liquid level switch is used, the magnetic floater is attached to the upper limit plate or the lower limit plate due to the fact that the liquid level switch is used in soaking water, and the liquid level switch is caused to lose efficacy. In order to avoid the magnetic float from adhering to the upper limit plate 15 as much as possible, a convex structure 17 is provided on the upper limit plate 15 on the side facing the magnetic float 14, so that the upper limit plate 15 and the magnetic float 14 are changed from the previous surface contact into point contact, and the contact area between the upper limit plate 15 and the magnetic float 14 is reduced. In order to avoid the magnetic float from adhering to the lower limit plate 16 as much as possible, a convex structure 17 is provided on the side of the lower limit plate 16 facing the magnetic float 14, so that the lower limit plate 16 and the magnetic float 14 are changed from the previous surface contact into point contact, and the contact area between the lower limit plate 16 and the magnetic float 14 is reduced. Regarding the convex structure 17, the specific shape is not limited. Usually, the lower limit plate 16 is detachably connected to the main rod 6, and the magnetic float 14 can be attached/detached after the lower limit plate 16 is removed; the upper limiting plate 15 may be integrally formed with the main lever 6.

Example 5:

an electric appliance comprising the level switch mounting structure described in embodiment 1 or embodiment 2 or embodiment 3. Liquid level switch mounting structure is including setting up connecting portion and the joint fixed knot on liquid level switch constructs, wherein, the joint fixed knot constructs including joint portion and cooperation portion, joint portion and cooperation portion one of them setting on connecting portion, another setting is on electrical equipment's mounting panel 1, to the vertical removal connecting portion of orientation that are close to mounting panel 1 and remove the back that targets in place, can realize connecting portion joint on mounting panel 1 through joint portion and cooperation portion cooperation mutually, realize the quick installation of liquid level switch and mounting panel.

The above description is only for the specific embodiments of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art can easily conceive of the changes or substitutions within the technical scope of the present invention, and all the changes or substitutions should be covered within the scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the appended claims.