CN111821483A

CN111821483A - Uncovering power-off structure and electric heating appliance

Info

Publication number: CN111821483A
Application number: CN202010805932.9A
Authority: CN
Inventors: 陈亮; 林莉; 吴学鹏; 李磊; 王宇金; 陈俊祺
Original assignee: Gree Electric Appliances Inc of Zhuhai
Current assignee: Gree Electric Appliances Inc of Zhuhai
Priority date: 2020-08-11
Filing date: 2020-08-11
Publication date: 2020-10-27
Anticipated expiration: 2040-08-11
Also published as: CN111821483B

Abstract

The invention relates to the technical field of household appliances, in particular to a cover opening power-off structure and an electric heating appliance. The utility model provides an including lid, switch in the structure of cutting off the power supply of uncapping, still includes: the accommodating cavity is arranged below the cover body and is suitable for being separated from the storage cavity, and an opening is formed in the end face, facing the cover body, of the accommodating cavity; and one end of the ejector rod is arranged on the trigger part of the switch, the other end of the ejector rod is arranged in the opening, and when the cover body is closed, the ejector rod is abutted against the cover body so as to drive the trigger part. According to the invention, the switch is arranged in the accommodating cavity, and the accommodating cavity and the storage cavity are arranged in a separated manner, so that water in the outside cannot directly enter the accommodating cavity, and the waterproof protection of the switch is realized.

Description

Uncovering power-off structure and electric heating appliance

Technical Field

The invention relates to the technical field of household appliances, in particular to a cover opening power-off structure and an electric heating appliance.

Background

With the improvement of living standard of people, the clothes sterilization is more and more paid more attention by people. The existing clothes sterilization equipment mostly passes through the circulation of ultraviolet irradiation and ozone, penetrates through cell membranes of microorganisms, destroys DNA structures of various germs, bacteria, parasites and other pathogenic bodies, destroys nucleic acid molecular bonds of the germs, and leads the bacteria to die immediately or not to reproduce offspring, thereby achieving the effects of disinfection and sterilization.

In order to prevent the ultraviolet sterilization process from opening the end cover of the clothes sterilization equipment by a user, the ultraviolet leakage is caused to hurt the human body, and the cover opening and power off functions of the clothes sterilization equipment are required to be designed.

One of the existing modes of uncovering and power off is to use a magnet and a Hall element in a matched mode, but the realization cost is relatively high, the magnet assembly can be exposed or fall off, and the consistency of the induction effect is poor. In order to reduce the cost, a mechanical microswitch is adopted in the prior art. The mechanical microswitch is triggered by the opening and closing of the end cover, normally works as a compression conduction state, and is in a power-off state after being opened. However, when the mechanical microswitch structure is used, the mechanical microswitch is easily corroded by washing water or external water vapor to lose efficacy in the working process of the clothes sterilization equipment, and the service life of the mechanical microswitch is seriously influenced.

Disclosure of Invention

Therefore, the invention aims to overcome the defect that the uncovering power-off switch in the clothes sterilization machine in the prior art is easy to corrode by washing water or external water vapor to cause failure, and provides an uncovering power-off structure and an electric heating appliance.

In order to solve the above problems, the present invention provides a cover opening power-off structure, which comprises a cover body and a switch, and further comprises: the switch is arranged in the accommodating cavity, and an opening is formed in the end face, facing the cover body, of the accommodating cavity; and one end of the ejector rod is arranged on the trigger part of the switch, the other end of the ejector rod is arranged in the opening, and when the cover body is closed, the ejector rod is abutted against the cover body so as to drive the trigger part.

Further, the triggering portion is an elastic triggering arm and comprises a pressing arm arranged below the opening and a triggering arm connected to the switch, and the ejector rod is arranged on the pressing arm.

Furthermore, a clamping groove is formed in the pressing arm, and a clamping head matched with the clamping groove is arranged on the ejector rod.

Furthermore, when the clamping head is in clamping fit with the clamping groove, a fit clearance exists between the clamping head and the clamping groove.

Furthermore, the groove type of draw-in groove is the ellipse shape, the joint part of dop is cylindricly.

Furthermore, an assembly groove is further formed in the pressing arm and communicated with the clamping groove.

The cover opening power-off structure further comprises a limiting rib arranged on the inner side wall of the accommodating cavity, the limiting rib is arranged below the pressing arm, and the pressing arm abuts against the limiting rib when the cover body is closed.

The cover opening power-off structure further comprises a sealing element arranged between the pressing arm and the lower end face of the opening, and the sealing element is compressed when the cover body is closed.

Further, the sealing member is integrally formed on the circumferential surface of the carrier rod.

The invention also provides an electric heating appliance which comprises the uncovering power-off structure.

The technical scheme of the invention has the following advantages:

1. the uncovering power-off structure comprises a cover body and a switch, and further comprises: the accommodating cavity is arranged below the cover body and is suitable for being separated from the storage cavity, and an opening is formed in the end face, facing the cover body, of the accommodating cavity; and one end of the ejector rod is arranged on the trigger part of the switch, the other end of the ejector rod is arranged in the opening, and when the cover body is closed, the ejector rod is abutted against the cover body so as to drive the trigger part.

According to the invention, the switch is arranged in the accommodating cavity, and the accommodating cavity and the storage cavity are separated, so that the moisture on clothes in the storage cavity can not directly enter the accommodating cavity, and the waterproof protection of the switch is realized. Furthermore, in order to realize the function of power off when the cover is opened, the opening is formed in the end face, facing the cover body, of the accommodating cavity, and the triggering part of the switch penetrates through the opening through the ejector rod and is triggered by the cover body, so that the switch is controlled, the power supply is switched on and off.

2. The triggering part in the uncovering power-off structure is an elastic triggering arm so as to ensure that the triggering part realizes the power-off function under the self elastic reset action when the cover body is opened.

3. In the uncovering power-off structure, the ejector rod is arranged on the pressing arm on the trigger part, and the ejector rod and the pressing arm are connected in a mode that the chuck is matched with the clamping groove. Due to the influences of factors such as vibration of the elastic trigger arm, structural strength and the like, the ejector rod arranged on the elastic trigger arm is easy to block and the like at the opening position due to the deviation of the stroke position, so that a matching gap exists between the clamping head and the clamping groove when the clamping head and the clamping groove are matched, the ejector rod is convenient to have a proper adjusting allowance in the butt joint process of the ejector rod and the opening position, and the ejector rod blocking problem is avoided.

4. The clamping groove in the uncovering power-off structure is elliptical, the clamping part of the clamping head is cylindrical, and the clamping head and the clamping groove are matched to realize clamping and ensure that the clamping head has moving allowance in the clamping groove so as to prevent the ejector rod from being clamped.

5. The pressing arm in the uncovering power-off structure is also provided with the assembling groove, and the clamping part of the clamping head can be directly embedded into the clamping groove through the assembling groove, so that the clamping installation difficulty is simplified, and the production efficiency is improved.

6. The cover opening power-off structure further comprises a limiting rib arranged on the inner side wall of the accommodating cavity, the limiting rib is arranged below the pressing arm, and the pressing arm abuts against the limiting rib when the cover body is closed. Spacing muscle plays and carries out spacing effect to the stroke of trigger arm, under the prerequisite that satisfies the trigger stroke of trigger arm, prevents that the trigger arm from pushing down excessively under the influence of other factors, leads to the unable problem of normally kick-backing of trigger arm.

7. The cover opening power-off structure further comprises a sealing element arranged between the pressing arm and the lower end face of the opening, and the sealing element is compressed when the cover body is closed. The sealing element directly seals the opening position, further prevents the possibility of water entering from the opening position and strengthens the protection of the switch.

8. The sealing element in the uncovering power-off structure is integrally formed on the peripheral surface of the ejector rod, and when the ejector rod is pressed down by the cover body, the sealing element on the peripheral surface of the ejector rod is extruded at the opening position, so that the sealing effect on the opening position is realized. Similarly, because the sealing element is integrally formed on the ejector rod, no assembly gap exists between the sealing element and the ejector rod, and the sealing effect is better.

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, and it is obvious that the drawings in the following description are some embodiments of the present invention, and other drawings can be obtained by those skilled in the art without creative efforts.

Fig. 1 is an exploded view of an open-cover power-off structure in embodiment 1 provided by the present invention;

fig. 2 is a schematic structural diagram of an open state of a cover in an uncovering power-off structure in embodiment 1 according to the present invention;

fig. 3 is a schematic structural diagram of a cover power-off structure in embodiment 1 according to the present invention, showing a closed state of a cover;

FIG. 4 is a schematic structural view of an embodiment of the present invention in which a sealing member and a carrier rod are integrally formed in example 1;

FIG. 5 is a cross-sectional view of an embodiment of the present invention in which a seal and a carrier rod are integrally formed, according to example 1;

fig. 6 is a schematic structural diagram of a switch in embodiment 1 of the present invention;

fig. 7 is a sectional view of a push rod and switch fitting structure in embodiment 1 of the present invention.

Description of reference numerals:

1-an accommodating cavity; 11-opening; 12-a limiting rib;

2-a switch; 21-a trigger part; 22-a card slot; 23-an assembly groove; 211-pressing arm; 212-a trigger arm;

3-a storage chamber;

4-a top rod; 41-clamping head;

5-cover body;

6-sealing element.

Detailed Description

The technical solutions of the present invention will be described clearly and completely with reference to the accompanying drawings, and it should be understood that the described embodiments are some, but not all embodiments of the present invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc., indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.

In addition, the technical features involved in the different embodiments of the present invention described below may be combined with each other as long as they do not conflict with each other.

Example 1

As shown in fig. 1 to 7, the uncovering power-off structure provided for this embodiment includes a cover 5 and a switch 2, and further includes: the accommodating cavity 1 is arranged below the cover body 5 and is suitable for being separated from the storage cavity 3, the switch 2 is arranged in the accommodating cavity 1, and an opening 11 is formed in the end face, facing the cover body 5, of the accommodating cavity 1; the push rod 4 has one end provided to the trigger portion 21 of the switch 2 and one end provided to the opening 11, and when the lid 5 is closed, the push rod 4 abuts on the lid 5 to drive the trigger portion 21.

The uncovering power-off structure in the embodiment is used on the clothes sterilization machine, and can be used on other electrical equipment such as a washing machine, a cooking utensil and the like.

Install switch 2 in holding chamber 1 in this embodiment, install the electrical apparatus mounting panel in holding chamber 1, switch 2 installs on the electrical apparatus mounting panel. Further, the setting is separated with storing chamber 3 in holding chamber 1, and lid 5 covers simultaneously on holding chamber 1 and storing chamber 3, and rotation center puts holding chamber 1 department, has tentatively guaranteed that the water on the clothing can not directly enter into holding chamber 1 in the storing chamber 3, has realized the water proof to switch 2. Further, in order to realize the function of opening the cover and cutting off the power supply, in this embodiment, the opening 11 is formed on the end surface of the accommodating cavity 1 facing the cover 5, and the opening 11 in this embodiment is a circular hole structure, but in other embodiments, the shape of the opening 11 may also be a square hole, a triangular hole, or the like, and is actually selected according to design requirements. The trigger part 21 of the switch 2 passes through the opening position through the ejector rod 4 and is triggered by the cover body 5, so that the switch 2 is controlled, the power supply is switched on and off, the ejector rod 4 always abuts against the cover body 5 when the cover body 5 is closed, and external liquid can be prevented from entering the accommodating cavity 1 through the opening 11 to a certain extent in a splashing mode and the like. Therefore, the switch 2 is protected, and the problem that the service life of the switch 2 is reduced due to the influence of water vapor and the like is solved.

The switch in this embodiment is a mechanical microswitch, and the trigger portion 21 of the mechanical microswitch is an elastic trigger arm, so as to ensure that the trigger portion realizes the power-off function under the elastic reset action of the trigger portion when the cover body is opened. As shown in fig. 6, the trigger part 21 includes a pressing arm 211 disposed below the opening 11 and a trigger arm 212 connected to the switch 2, the push rod 4 is mounted on the pressing arm 211, in order to mount the push rod 4 on the pressing arm 211, a locking slot 22 is formed on the pressing arm 211 in the present embodiment, and a locking head 41 matched with the locking slot 22 is formed on the push rod 4, and the locking head and the locking slot are matched to realize connection. Specifically, the groove type of the clamping groove 22 is an elliptical shape, the clamping portion of the clamping head 41 is cylindrical, and the clamping head and the clamping groove are matched to ensure that the clamping head has a moving allowance in the clamping groove at the same time so as to prevent the ejector rod from being locked. Because of the influence of factors such as the vibration of elastic trigger arm and structural strength, ejector pin 4 that sets up on it leads to the emergence of card dead scheduling problem easily because of the skew of stroke position at the opening position, consequently dop 41 and draw-in groove 22 in this embodiment have the fit clearance when the cooperation to the butt joint in-process of ejector pin 4 and opening 11 position department of being convenient for has suitable adjustment allowance, avoids the emergence of the dead problem of above-mentioned ejector pin 4 card.

For the convenience of clamping between the clamping head 41 and the clamping groove 22, in this embodiment, the assembling groove 23 is further processed on the pressing arm 211, the assembling groove 23 is communicated with the clamping groove 22, when the clamping head is installed, the clamping part of the clamping head 41 penetrates through the assembling groove 23 in a pressing mode to enter the clamping groove 22, so that the clamping process can be completed, the difficulty of buckle installation is simplified, and the production efficiency is improved.

In other embodiments, the above-mentioned assembly groove 23 may not be designed, and the clip 41 may be directly pressed by external force, for example, into the clip groove 22, to achieve the clip-on.

As shown in fig. 3, the present embodiment further includes a limiting rib 12 directly formed on the inner sidewall of the accommodating cavity 1, the limiting rib 12 is disposed below the pressing arm 211, and when the cover 5 is closed, the pressing arm 211 abuts against the limiting rib 12. The limiting rib 12 has the function of limiting the stroke of the trigger arm 212, and on the premise that the trigger stroke of the trigger arm 212 is met, the trigger arm 212 is prevented from being pressed down excessively under the influence of other factors, so that the problem that the trigger arm 212 cannot rebound normally is solved.

The present embodiment further includes a sealing member 6 installed between the pressing arm 211 and the lower end surface of the opening 11, and the sealing member 6 is compressed when the cover 5 is closed. The sealing member 6 directly seals the position of the opening 11, further preventing the possibility of water entering from the opening position, and enhancing the protection of the switch, and further, the sealing member 6 in the embodiment is integrally formed on the peripheral surface of the push rod 4. Because the sealing member 6 is integrated into one piece on the ejector pin 4, there is not assembly clearance between the two, and sealed effect is better.

Further, as shown in fig. 4, the sealing member 6 in this embodiment is of a bellows-like structure, and the multi-layer corrugated design can form multi-layer blocking to the water flow, thereby improving the waterproof sealing effect.

In the uncovering power-off structure in the embodiment, when the cover body 5 is opened, the trigger arm 212 is reset under the action of the elastic reset force, the switch 2 is opened, and the equipment is powered off; when lid 5 closed, ejector pin 4 with lid 5 butt is pushed down, and ejector pin 4 pushes down and presses arm 211, drives trigger arm 212 and rotates downwards, and switch 2 is closed, and equipment circular telegram sets up sealing member 6 butt on ejector pin 4 in opening 11 department simultaneously, realizes the sealed to opening 11 department, prevents to get into moisture in the holding chamber 1, realizes the protection to electrical components such as switch.

Example 2

The embodiment provides an electric heating appliance which comprises the uncovering power-off structure explained in the embodiment 1, and has all technical advantages, and the details are not repeated.

It should be noted that the electric heating device in this embodiment is a clothes sterilization machine, the clothes sterilization machine includes a body, the accommodating cavity 1 and the storage cavity 3 are formed on the body, meanwhile, the cover body 5 is rotatably mounted on the body, and the cover body 5 in this embodiment forms a rotation center near the outer edge of the accommodating cavity 1.

It should be understood that the above examples are only for clarity of illustration and are not intended to limit the embodiments. Other variations and modifications will be apparent to persons skilled in the art in light of the above description. And are neither required nor exhaustive of all embodiments. And obvious variations or modifications therefrom are within the scope of the invention.

Claims

1. The utility model provides a structure cuts off power supply uncaps, includes lid (5), switch (2), its characterized in that still includes:

the accommodating cavity (1) is arranged below the cover body (5) and is suitable for being separated from the storage cavity (3), the switch (2) is arranged in the accommodating cavity (1), and an opening (11) is formed in the end face, facing the cover body (5), of the accommodating cavity (1);

and the ejector rod (4) has one end arranged on the trigger part (21) of the switch (2) and one end arranged in the opening (11), and when the cover body (5) is closed, the ejector rod (4) is abutted against the cover body (5) so as to drive the trigger part (21).

2. A door opening de-energizing structure according to claim 1, wherein the trigger part (21) is a resilient trigger arm including a pressing arm (211) provided below the opening (11) and a trigger arm (212) connected to the switch (2), the push rod (4) being provided on the pressing arm (211).

3. A cover opening power-off structure as claimed in claim 2, wherein the pressing arm (211) is provided with a clamping groove (22), and the top bar (4) is provided with a clamping head (41) matched with the clamping groove (22).

4. A cover opening power-off structure according to claim 3, wherein a fitting clearance is provided between the chuck (41) and the engaging groove (22) when the chuck is engaged with the engaging groove.

5. The structure of claim 4, wherein the groove of the engaging groove (22) is elliptical, and the engaging portion of the engaging head (41) is cylindrical.

6. A cover opening power-off structure as claimed in any one of claims 3 to 5, wherein the pressing arm (211) is further provided with an assembling groove (23), and the assembling groove (23) is communicated with the clamping groove (22).

7. The cover opening power-off structure according to claim 6, further comprising a limiting rib (12) arranged on the inner side wall of the accommodating cavity (1), wherein the limiting rib (12) is arranged below the pressing arm (211), and when the cover body (5) is closed, the pressing arm (211) abuts against the limiting rib (12).

8. A structure for de-energizing a door as claimed in claim 7, further comprising a sealing member (6) provided between said pressing arm (211) and a lower end surface of said opening (11), said sealing member (6) being compressed when said lid body (5) is closed.

9. A cover opening de-energizing structure according to claim 8, wherein the sealing member (6) is integrally formed on the peripheral surface of the jack (4).

10. An electric heating appliance, comprising:

the structure of opening cap power-off as claimed in any one of claims 1 to 9.