CN217306806U - Power plug and cooking utensil - Google Patents

Abstract

The utility model discloses a power plug and a cooking utensil, wherein the power plug comprises a first protection piece, a second protection piece, a terminal, an inner protection sleeve and an outer protection sleeve; the first protective piece is provided with an accommodating groove; the second protector is connected to the first protector, and the second protector has an opening; the terminal is at least partially arranged in the accommodating groove and corresponds to the position of the opening; the inner protection sleeve is made of metal materials, is sleeved outside the first protection piece and the second protection piece and is exposed out of the opening; the outer protective sleeve is at least coated outside the inner protective sleeve through secondary injection molding, and the opening is exposed. According to the utility model discloses a power plug even power plug appears continuously striking sparks and makes first protection piece and second protection piece melt and also can not make outer protective sheath melt, can reduce the possibility that the conflagration hidden danger takes place to not hard up possibility appears in power plug's structure after reducing long-term plug.

Description

Power plug and cooking utensil

Technical Field

The utility model relates to a kitchen utensil technical field particularly relates to a power plug and cooking utensil.

Background

Known cooking appliances such as rice cookers generally have an electric outlet and an electric plug that mates with the electric outlet. The internal terminal of the existing power plug is fixed by two flame-retardant plastic (flame-retardant PE/PA/PP and the like), and the structure of the power plug can be loosened after long-time plugging and unplugging. In addition, when power plug takes place to strike sparks, fire-retardant working of plastics can have the risk of melting burning under the condition of continuously striking sparks, consequently has the fire hazard.

To this end, the present invention provides a power plug and a cooking appliance to at least partially solve the problems in the prior art.

SUMMERY OF THE UTILITY MODEL

In the summary section a series of concepts in a simplified form is introduced, which will be described in further detail in the detailed description section. The inventive content does not imply any attempt to define the essential features and essential features of the claimed solution, nor is it implied to be intended to define the scope of the claimed solution.

In order to solve the above problem at least partially, according to a first aspect of the present invention, a power plug for a cooking appliance is disclosed, the power plug comprising:

a first protective piece having a receiving groove;

a second protector connected to the first protector and having an opening;

a terminal at least partially disposed in the receiving groove and corresponding to a position of the opening;

an inner protective sheath made of a metal material, the inner protective sheath being fitted over the first protector and the second protector and exposing the opening; and

the outer protective sheath, the outer protective sheath passes through secondary injection moulding cladding at least in the outside of interior protective sheath, and expose the opening.

According to the utility model discloses a power plug, through setting up the interior protective sheath of making by metal material, interior protective sheath establishes in the outside of first protection piece and second protection piece, and the outside of protective sheath including the at least cladding of outer protective sheath owing to the interior protective sheath of making by metal material can not take place to burn, even consequently power plug appears continuously striking sparks and makes first protection piece and second protection piece melt and also can not make outer protective sheath melt, can reduce the possibility that the conflagration hidden danger takes place. Through setting up outer protective sheath for outer protective sheath is through the outside of secondary injection moulding technology cladding protective sheath including tightly at least, can make the connection between outer protective sheath and the interior protective sheath comparatively firm, has consequently reduced the not hard up possibility of appearing in long-term plug back power plug's structure.

Optionally, the second protector is provided with a limiting portion capable of abutting against the inner protective sleeve to block the inner protective sleeve from moving relative to the second protector.

According to this scheme, through setting up spacing portion, interior protective sheath can be blockked for the removal of second protection piece in spacing portion, has further reduced the not hard up possibility of structure appearance of long-term plug back power plug.

Optionally, the limiting portion includes a first limiting portion and a second limiting portion spaced apart from the first limiting portion, the first limiting portion can block the inner protection sleeve from moving in a first direction relative to the second protection member, and the second limiting portion can block the inner protection sleeve from moving in a second direction opposite to the first direction relative to the second protection member.

According to the scheme, the possibility of looseness of the structure of the power plug after long-term plugging is further reduced by arranging the first limiting part and the second limiting part.

Alternatively, the second protector may include a protector main body portion, and the first stopper portion and the second stopper portion may be provided oppositely at both ends of the protector main body portion, and each may be configured as a protrusion protruding outward from the protector main body portion.

According to this scheme, the simple structure of second protection piece, the manufacturing of being convenient for can reduction in production cost.

Optionally, the inner protective sleeve is provided with a fitting portion, and the fitting portion can abut against or be clamped to one of the first limiting portion and the second limiting portion.

According to this scheme, through setting up cooperation portion to with cooperation portion and the cooperation of first spacing portion and at least one in the second spacing portion, can block that interior protective sheath removes for second protection piece, further reduced the not hard up possibility of structure appearance of long-term plug back power plug.

Optionally, the mating portion is disposed between the first limiting portion and the second limiting portion along the first direction.

According to this scheme, through with cooperation portion along first direction setting between first spacing portion and the spacing portion of second to the realization blocks that interior protective sheath removes for second protection piece.

Optionally, the inner protective sleeve comprises a protective sleeve main body portion, the protective sleeve main body portion is provided with an avoiding hole, the matching portion is arranged at the avoiding hole, and only one side of the matching portion is connected to the protective sleeve main body portion.

According to this scheme, the simple structure of interior protective sheath is convenient for make, can reduction in production cost.

Alternatively, the first protector and the second protector form a mounting space around the housing groove, and the terminal is disposed in the mounting space.

According to this scheme, the installation space that first protection piece and second protection piece assembly back formed is fire-retardant space, even the terminal is in the phenomenon of constantly striking sparks, also can reduce power plug and appear melting the possibility of burning.

Optionally, one of the first protector and the second protector is provided with a dowel and the other of the first protector and the second protector is provided with a slot, the first protector being connected to the second protector via the dowel being plugged into the slot.

According to this scheme, through the cooperation of dowel and slot, can make the connection of first protection piece and second protection piece more reliable to can carry on spacingly and fixed to the terminal, guarantee power plug job stabilization nature.

According to a second aspect of the present invention, a cooking appliance is disclosed, comprising: a power plug according to any one of the above first aspects.

According to the utility model discloses a cooking utensil, through setting up the interior protective sheath of making by metal material, interior protective sheath establishes in the outside of first protection piece and second protection piece, and the outside of protective sheath including the at least cladding of outer protective sheath owing to the interior protective sheath of making by metal material can not take place to burn, even consequently power plug appears continuously striking sparks and makes first protection piece and second protection piece melt and also can not make outer protective sheath melt, can reduce the possibility that the conflagration hidden danger takes place. Through setting up outer protective sheath for outer protective sheath is through the outside of secondary injection moulding technology cladding protective sheath including tightly at least, can make the connection between outer protective sheath and the interior protective sheath comparatively firm, has consequently reduced the not hard up possibility of appearing in long-term plug back power plug's structure.

Drawings

The following drawings of the present invention are used herein as part of the present invention for understanding the present invention. There are shown in the drawings, embodiments and descriptions of the invention, which are used to explain the principles of the invention.

In the drawings:

fig. 1 is an exploded perspective view of a power plug of a cooking appliance according to a preferred embodiment of the present invention;

FIG. 2 is a cross-sectional schematic view of the power plug of FIG. 1;

FIG. 3 is an enlarged view of a portion of FIG. 2 at A;

FIG. 4 is a perspective view of a portion of the power plug of FIG. 1 showing the first protector, the second protector and the outer protective sheath;

FIG. 5 is a schematic cross-sectional view of a portion of the power plug of FIG. 1 showing the first protector, the second protector, the terminal and the outer protective sheath;

FIG. 6 is a perspective view of the outer protective sheath of the power plug of FIG. 1;

FIG. 7 is a perspective view of a second protector of the power plug of FIG. 1;

figure 8 is a schematic perspective view of a variant embodiment of the inner protective sheath of a power plug according to the invention.

Description of reference numerals:

100: power supply plug

110: first protective member

111: accommodating tank

112: dowel bar

120: second protective member

121: protector body

122: limiting part

123: opening of the container

124: a first limit part

125: second limit part

130: terminal with a terminal body

140: inner protective sleeve

141: protective sleeve main body part

142: mating part

143: avoiding hole

144: clamping groove

150: outer protective sleeve

160: conducting wire

170: wire protective sleeve

180: installation space

Detailed Description

In the following description, numerous specific details are set forth in order to provide a more thorough understanding of the present invention. It will be apparent, however, to one skilled in the art, that embodiments of the present invention may be practiced without one or more of these specific details. In other instances, well-known features have not been described in order to avoid obscuring embodiments of the present invention.

In the following description, a detailed structure will be presented for a thorough understanding of embodiments of the invention. It is apparent that the implementation of the embodiments of the invention is not limited to the specific details known to a person skilled in the art. It should be noted that ordinal numbers such as "first" and "second" are used in the present application for identification only, and do not have any other meanings, such as a specific order. Also, for example, the term "first component" does not itself imply the presence of "second component", and the term "second component" does not itself imply the presence of "first component". The terms "upper", "lower", "front", "rear", "left", "right" and the like as used herein are for illustrative purposes only and are not limiting.

The utility model provides a power plug 100 and cooking utensil that has it. According to the utility model discloses a cooking utensil can be for electric rice cooker, electric pressure cooker or other cooking utensil, and cooking utensil except having the function of cooking rice, can also have various functions such as cooking congee, a kind of deep pot hot water.

The cooking appliance mainly includes a pot body (not shown) and a lid body (not shown) openably provided above the pot body. An inner pot is arranged in the cooker body, and when the cover body covers the cooker body, a cooking space can be formed between the cover body and the inner pot. The pot body is substantially in the shape of a rounded rectangular parallelepiped and has a cylindrical-shaped receiving portion. The inner pot may be configured to be freely put into or taken out of the receiving part to facilitate cleaning of the inner pot, or may be configured to be fixed in the pot body so as not to be taken out of the pot body. The inner pot is generally made of a metal material for containing a material to be heated, such as rice, soup, etc. In addition, a heating device and a control device are further arranged in the cooker body, the heating device can be located below the inner pot to heat food in the inner pot, and a user can control the cooking operation of the cooking appliance through the control device.

The cooking appliance further includes a power socket (not shown) and a power plug 100 mated with the power socket. The power socket is generally provided at the bottom of the pot body so as to facilitate the insertion of the power plug 100 to the power socket. It will be appreciated that the power socket may also be provided at any other suitable location of the pot body, or may be provided on the lid, as desired.

As shown in fig. 1 to 5, the power plug 100 mainly includes a first protector 110, a second protector 120, a terminal 130, an inner protective case 140, and an outer protective case 150.

The first protector 110 has a receiving groove 111. The receiving groove 111 is configured as a U-shaped groove depressed downward from one side surface of the first protector 110. The second protector 120 is coupled to the first protector 110, and the second protector 120 has an opening 123. The position of the opening 123 corresponds to the position of the receiving groove 111. Preferably, the first protector 110 and the second protector 120 are made of a flame retardant material to reduce the possibility of the first protector 110 and the second protector 120 burning.

Specifically, one of the first and second protectors 110 and 120 may be provided with the dowel 112, and the other of the first and second protectors 110 and 120 may be provided with the slot. As shown in fig. 1, in the present embodiment, the first protector 110 has a dowel 112, the second protector 120 is provided with a slot (not shown), and the first protector 110 is connected to the second protector 120 by inserting the dowel 112 into the slot.

The terminals 130 are at least partially disposed in the accommodation grooves 111, and the terminals 130 correspond to the positions of the openings 121 such that the end surfaces of the terminals 130 can be exposed from the accommodation grooves 111. Specifically, as shown in fig. 2 and 3, the first protector 110 and the second protector 120 form a mounting space 180 around them, the mounting space 180 includes the receiving groove 111, and the terminal 130 is disposed in the mounting space 180.

As shown in fig. 2 to 5, the inner protection sleeve 140 is made of a metal material, and the inner protection sleeve 140 is sleeved outside the first protection member 110 and the second protection member 120 and exposes the opening 123. Since the inner protective sheath 140 made of a metal material does not burn, the outer protective sheath 150 does not melt even if the first and second protection members 110 and 120 melt due to the continuous sparking of the power plug 100, and the possibility of fire hazard can be reduced.

In this embodiment, the outer protection sleeve 150 is at least coated outside the inner protection sleeve 140 through the secondary injection molding, and the opening 123 is exposed, so that the connection between the outer protection sleeve 150 and the inner protection sleeve 140 is relatively firm, and the possibility of loosening the structure of the power plug 100 after long-term plugging is reduced.

As shown in fig. 1 and 7, the second protection member 120 is provided with a limiting portion 122, and the limiting portion 122 can abut against the inner protection sleeve 140 to block the inner protection sleeve 140 from moving relative to the second protection member 120. Specifically, as shown in fig. 4 to 5 and 7, the limiting portion 122 includes a first limiting portion 124 and a second limiting portion 125 spaced apart from the first limiting portion 124, the first limiting portion 124 can block the inner protective sheath 140 from moving relative to the second protection member 120 along a first direction D1, and the second limiting portion 125 can block the inner protective sheath 140 from moving relative to the second protection member 120 along a second direction D2 opposite to the first direction D1.

More specifically, the second protector 120 includes a protector main body portion 121, and the first stopper portion 124 and the second stopper portion 125 are oppositely disposed at both ends of the protector main body portion 121, and are each configured as a protrusion protruding outward from the protector main body portion 121. In the present embodiment, the first stopper portion 124 and the second stopper portion 125 are disposed at a distance from each other in the first direction D1.

One first stopper portion 124 and two second stopper portions 125 are schematically shown in fig. 1, 4 and 7, and the two second stopper portions 125 are disposed at a distance in a direction perpendicular to the first direction D1. Those skilled in the art will understand that the number of the first position-limiting portions 124 and the second position-limiting portions 125 is not limited to the embodiment, and the number of the first position-limiting portions 124 may be two or more, and the number of the second position-limiting portions 125 may be one or more, as required.

As shown in fig. 1 and 4-7, the inner protective sheath 140 is provided with a mating portion 142. The fitting portion 142 is disposed between the first stopper portion 124 and the second stopper portion 125 along the first direction D1, and is capable of abutting against one of the first stopper portion 124 and the second stopper portion 125. In this embodiment, the first position-limiting part 124 is configured to abut against an end surface of the inner protection sleeve 140, and the second position-limiting part 125 is configured to abut against the matching part 142. In one embodiment, not shown, the mating portion can be snapped into one of the first and second stop portions.

For convenience of assembly, in a state where the first stopper portion 124 abuts against an end surface of the inner sheath 140, a distance between the second stopper portion 125 and the fitting portion 142 in the first direction D1 is preferably 0.3mm to 0.8 mm. In other words, in a state where the fitting portion 142 abuts against the second stopper portion 125, a distance between the first stopper portion 124 and the end surface of the inner sheath 140 in the first direction D1 is preferably 0.3mm to 0.8 mm.

As shown in fig. 1 and fig. 4 to 6, the inner protective sheath 140 includes a protective sheath body 141, the protective sheath body 141 is provided with an avoiding hole 143, and the matching portion 142 is provided at the avoiding hole 143. In particular, the relief hole 143 is configured substantially as a rectangular through hole. Only one side of the fitting portion 142 is connected to the protective sheath body 141, so that the fitting portion 142 has elasticity. The fitting portion 142 is configured as a thin-walled structure extending downward from the protective sheath body portion 141 so as to abut against the second stopper portion 125.

As shown in fig. 1, in the present embodiment, the power plug 100 includes three terminals 130, the first protector 110 is correspondingly provided with three receiving grooves 111, and the three terminals 130 are respectively snapped to the three receiving grooves 111. The three receiving grooves 111 are spaced apart so that the three terminals 130 are not in contact with each other. The second protector 120 is correspondingly provided with three openings 123, and the positions of the three terminals 130 respectively correspond to the positions of the three openings 123.

The power plug 100 also includes wires 160 and a wire containment sleeve 170. One end of the wire 160 is connected to the terminal 130, for example, by riveting or welding between the wire 160 and the terminal 130. The wire protective sheath 170 is fitted over the outside of the wire 160, and one end of the wire protective sheath 170 is connected to the outer protective sheath 150. The wire protective sheath 170 is made of an insulating material.

In a modified embodiment, as shown in fig. 8, the inner protection sleeve 140 is provided with a locking groove 144, and when the inner protection sleeve 140 is sleeved on the outer portions of the first protection member 110 and the second protection member 120, the first stopper portion 124 is at least partially disposed in the locking groove 144. Therefore, the inner protection sleeve 140 can be further positioned relative to the second protection member 120 by the cooperation between the first limiting portion 124 and the engaging groove 144, so as to further reduce the possibility of the structure of the power plug 100 becoming loose after being plugged and unplugged for a long time.

Unless defined otherwise, technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. The terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention. Terms such as "disposed" and the like, as used herein, may refer to one element being directly attached to another element or one element being attached to another element through intervening elements. Features described herein in one embodiment may be applied to another embodiment, either alone or in combination with other features, unless the feature is otherwise inapplicable or otherwise stated in the other embodiment.

The present invention has been described in terms of the above embodiments, but it is to be understood that the above embodiments are for purposes of illustration and description only and are not intended to limit the invention to the described embodiments. It will be appreciated by those skilled in the art that many more modifications and variations are possible in light of the above teaching and are intended to be included within the scope of the invention.

Claims (10)

1. An electrical power plug for a cooking appliance, the electrical power plug comprising:

a first protective piece having a receiving groove;

a second protector connected to the first protector and having an opening;

a terminal at least partially disposed in the receiving groove and corresponding to a position of the opening;

an inner protective sheath made of a metal material, the inner protective sheath being fitted over the first protector and the second protector and exposing the opening; and

the outer protective sheath, the outer protective sheath passes through secondary injection moulding cladding at least in the outside of interior protective sheath, and expose the opening.

2. A power plug as claimed in claim 1, wherein the second protection member is provided with a stop portion which can abut against the inner protective sheath to block the inner protective sheath from moving relative to the second protection member.

3. The power plug of claim 2, wherein the limiting portion comprises a first limiting portion and a second limiting portion spaced apart from the first limiting portion, the first limiting portion being capable of blocking the inner protective sleeve from moving in a first direction relative to the second protective member, the second limiting portion being capable of blocking the inner protective sleeve from moving in a second direction opposite to the first direction relative to the second protective member.

4. The power plug according to claim 3, wherein the second protector includes a protector main body portion, and the first stopper portion and the second stopper portion are oppositely provided at both ends of the protector main body portion and each configured as a protrusion protruding outward from the protector main body portion.

5. A power plug as claimed in claim 3, wherein the inner protective sleeve is provided with a mating portion which can abut against or snap-fit to one of the first and second retention portions.

6. A power plug as claimed in claim 5, wherein the mating portion is disposed between the first and second retention portions in the first direction.

7. A power plug according to claim 5, wherein the inner protective sleeve comprises a protective sleeve main body portion, the protective sleeve main body portion is provided with an avoiding hole, the matching portion is arranged at the avoiding hole, and only one side of the matching portion is connected to the protective sleeve main body portion.

8. A power plug as claimed in any one of claims 1 to 7, wherein said first protector and said second protector form a mounting space around them, said mounting space including said receiving groove, said terminal being disposed in said mounting space.

9. A power plug as claimed in any one of claims 1 to 7, wherein one of the first and second protectors is provided with a dowel and the other of the first and second protectors is provided with a slot, the first protector being connected to the second protector via the dowel being plugged into the slot.

10. A cooking appliance, comprising: a power plug according to any one of claims 1 to 9.

Images