CN219321748U - Plug and socket assembly, door body and foaming equipment - Google Patents

Abstract

The application relates to the technical field of door body preparation, and discloses a plug and socket assembly, a door body and foaming equipment. The plug and socket assembly includes: the plug comprises a terminal, wherein the tail end of the terminal is provided with a limiting part; the socket is provided with a jack, the jack is provided with a limit matching part in a structure, and when the terminal is inserted into the jack, the limit part is matched with the limit matching part so as to limit the terminal to be separated from the jack. When the terminals of the plug are inserted into the receptacles of the receptacle, the plug is in electrical communication with the receptacle. After the terminal is inserted into the jack, the limiting part of the terminal is matched with the limiting matching part of the jack, so that the terminal can be limited to move relative to the jack, and the terminal can be prevented from being separated from the jack. Therefore, the problem that the terminal rebounds and loosens can be avoided, and the connection stability of the plug and the socket is improved.

Description

Plug and socket assembly, door body and foaming equipment

Technical Field

The application relates to the technical field of door body manufacturing, for example, to a plug and socket assembly, a door body and foaming equipment.

Background

Currently, in the mating of existing plugs and sockets, terminals of a typical plug are inserted into the receptacle of the socket to provide electrical communication.

In the process of implementing the embodiments of the present disclosure, it is found that at least the following problems exist in the related art:

in the related art, after a terminal is inserted into a jack of a socket, the problem of rebound and loosening easily occurs, so that the connection of the plug and the socket is unstable, and the situation of power failure occurs.

It should be noted that the information disclosed in the foregoing background section is only for enhancing understanding of the background of the present application and thus may include information that does not form the prior art that is already known to those of ordinary skill in the art.

Disclosure of Invention

The following presents a simplified summary in order to provide a basic understanding of some aspects of the disclosed embodiments. This summary is not an extensive overview, and is intended to neither identify key/critical elements nor delineate the scope of such embodiments, but is intended as a prelude to the more detailed description that follows.

The embodiment of the disclosure provides a plug and socket assembly, a door body and foaming equipment, which are used for solving the problem that a plug terminal is rebounded and loosened and improving the connection stability of a plug and a socket.

Embodiments of the present disclosure provide a plug and socket assembly, comprising: the plug comprises a terminal, wherein the tail end of the terminal is provided with a limiting part; the socket is provided with a jack, the jack is provided with a limit matching part in a structure, and when the terminal is inserted into the jack, the limit part is matched with the limit matching part so as to limit the terminal to be separated from the jack.

Optionally, the limiting portion includes a notch, the limiting matching portion includes a lower end face of the jack, and when the notch is clamped with the lower end face of the jack, the limiting portion is matched with the limiting matching portion.

Optionally, the terminal is further configured with an inclined plane, the inclined plane and the notch are arranged opposite to each other along the radial direction of the terminal, and the outer diameter of the inclined plane is gradually reduced along the direction of inserting the terminal into the jack so as to realize the clamping connection between the notch and the lower end surface of the jack.

Optionally, the socket includes: the socket body is provided with a first jack, and the first jack penetrates through the socket body along the direction that the terminal is inserted into the jack; the connecting terminal is positioned on one side of the socket body, which is away from the terminal, and is provided with a second jack, and the second jack corresponds to the first jack; wherein the second jack is configured with the limit fitting portion.

Optionally, the connection terminal portion protrudes upward to form an arch bridge portion, and the second insertion hole penetrates through the arch bridge portion in a thickness direction of the arch bridge portion so as to avoid a space below the second insertion hole.

Optionally, the number of the terminals is a plurality, and the number of the jacks is the same as the number of the terminals and corresponds to one of the terminals.

Optionally, the plug further comprises: the positioning ring is sleeved on the outer side of the terminal; the socket is characterized in that the socket defines a second groove with an opening, the jack is arranged at the bottom of the second groove, and when the terminal is inserted into the jack, the positioning ring can be inserted into the second groove and block the opening.

Optionally, the end of the positioning ring is arc-shaped to guide the plug to be inserted into the jack.

Embodiments of the present disclosure also provide a door comprising a plug and socket assembly as in any of the above embodiments.

The embodiment of the disclosure also provides a foaming device, which is used for preparing the door body according to the embodiment.

The plug and socket assembly, the door body and the foaming equipment provided by the embodiment of the disclosure can realize the following technical effects:

when the terminals of the plug are inserted into the receptacles of the receptacle, the plug is in electrical communication with the receptacle. After the terminal is inserted into the jack, the limiting part of the terminal is matched with the limiting matching part of the jack, so that the terminal can be limited to move relative to the jack, and the terminal can be prevented from being separated from the jack. Therefore, the problem that the terminal rebounds and loosens can be avoided, and the connection stability of the plug and the socket is improved.

The foregoing general description and the following description are exemplary and explanatory only and are not restrictive of the application.

Drawings

One or more embodiments are illustrated by way of example and not limitation in the figures of the accompanying drawings, in which like references indicate similar elements, and in which like reference numerals refer to similar elements, and in which:

FIG. 1 is a schematic view of a door according to an embodiment of the present disclosure;

FIG. 2 is a schematic view of a door liner according to an embodiment of the present disclosure;

FIG. 3 is an enlarged schematic view of the portion A of FIG. 2;

FIG. 4 is a schematic view of a portion of a plug provided in an embodiment of the present disclosure;

FIG. 5 is a schematic view of a door shell according to an embodiment of the present disclosure;

FIG. 6 is a schematic view of a portion of a receptacle provided by an embodiment of the present disclosure;

fig. 7 is a schematic structural view of one connection terminal provided in an embodiment of the present disclosure;

FIG. 8 is a schematic diagram of a mating structure of a foaming device and a door provided in an embodiment of the present disclosure;

fig. 9 is a schematic structural view of a view angle of a foaming device according to an embodiment of the present disclosure;

FIG. 10 is a schematic diagram of a structure of another view of a foaming device provided in an embodiment of the present disclosure;

FIG. 11 is a schematic cross-sectional view of a foaming device and door according to an embodiment of the present disclosure;

fig. 12 is an enlarged schematic view of the portion B in fig. 11.

Reference numerals:

100. a door body; 10. a door liner; 101. a plug; 102. a terminal; 1021. a notch; 1022. an inclined plane; 103. a positioning ring; 1031. a limit groove; 104. a metal block; 105. a protrusion; 106. a first groove; 1061. a limit protrusion; 107. a mounting part; 108. a first power line; 109. a member requiring electricity; 20. a door shell; 201. a socket; 202. a socket body; 2021. a first jack; 2022. a second groove; 203. a connection terminal; 2031. a second jack; 2032. an arch bridge portion; 204. a second power line; 30. a foaming device; 301. an upper die; 302. a lower die; 303. an upper end frame; 304. a lower end frame; 305. swing rod; 306. a connecting rod; 307. a compound swing rotating shaft seat; 308. a magnet; 40. positioning tools.

Detailed Description

So that the manner in which the features and techniques of the disclosed embodiments can be understood in more detail, a more particular description of the embodiments of the disclosure, briefly summarized below, may be had by reference to the appended drawings, which are not intended to be limiting of the embodiments of the disclosure. In the following description of the technology, for purposes of explanation, numerous details are set forth in order to provide a thorough understanding of the disclosed embodiments. However, one or more embodiments may still be practiced without these details. In other instances, well-known structures and devices may be shown simplified in order to simplify the drawing.

The terms first, second and the like in the description and in the claims of the embodiments of the disclosure and in the above-described figures are used for distinguishing between similar objects and not necessarily for describing a particular sequential or chronological order. It is to be understood that the data so used may be interchanged where appropriate in order to describe embodiments of the present disclosure. Furthermore, the terms "comprise" and "have," as well as any variations thereof, are intended to cover a non-exclusive inclusion.

In the embodiments of the present disclosure, the terms "upper", "lower", "inner", "middle", "outer", "front", "rear", and the like indicate an azimuth or a positional relationship based on that shown in the drawings. These terms are used primarily to better describe embodiments of the present disclosure and embodiments thereof and are not intended to limit the indicated device, element, or component to a particular orientation or to be constructed and operated in a particular orientation. Also, some of the terms described above may be used to indicate other meanings in addition to orientation or positional relationships, for example, the term "upper" may also be used to indicate some sort of attachment or connection in some cases. The specific meaning of these terms in the embodiments of the present disclosure will be understood by those of ordinary skill in the art in view of the specific circumstances.

In addition, the terms "disposed," "connected," "secured" and "affixed" are to be construed broadly. For example, "connected" may be in a fixed connection, a removable connection, or a unitary construction; may be a mechanical connection, or an electrical connection; may be directly connected, or indirectly connected through intervening media, or may be in internal communication between two devices, elements, or components. The specific meaning of the above terms in the embodiments of the present disclosure may be understood by those of ordinary skill in the art according to specific circumstances.

The term "plurality" means two or more, unless otherwise indicated.

The term "and/or" is an associative relationship that describes an object, meaning that there may be three relationships. For example, a and/or B, represent: a or B, or, A and B.

It should be noted that, without conflict, the embodiments of the present disclosure and features of the embodiments may be combined with each other.

As shown in conjunction with fig. 1 to 7, the disclosed embodiment provides a door body 100, the door body 100 including a door shell 20 and a door liner 10, the door shell 20 being capable of being assembled with the door liner 10 into the door body 100. Specifically, the door shell 20 and the door liner 10 enclose a cavity, and the cavity is filled with a foaming agent, so that the whole door body 100 is prepared.

Optionally, the door body 100 further comprises a plug 101 and a socket 201, wherein one of the door liner 10 and the door shell 20 is provided with the plug 101, the plug 101 being adapted to be electrically connected with the electricity requiring member 109.

Here, the power requiring member 109 may be a device requiring power supply, such as a bulb, a sterilizing device, a blower, etc., which needs to be provided at the door body 100.

The other of the door liner 10 and the door shell 20 is provided with a socket 201, the socket 201 being adapted to be electrically connected to an external power source. When the door liner 10 and the door shell 20 are clamped and foamed, the plug 101 and the socket 201 move in opposite directions, and the plug 101 can be inserted into the socket 201 to electrically connect the electric member 109 with an external power supply.

In this embodiment, when the door liner 10 and the door shell 20 are prepared by open foaming, the door liner 10 and the door shell 20 move in opposite directions to perform mold closing, the plug 101 and the socket 201 can move in opposite directions along with the door liner 10 and the door shell 20, and the plug 101 can be inserted into the socket 201, so that the automatic closing of the circuit of the power-requiring member 109 is realized while the door liner 10 and the door shell 20 perform mold closing. Thus, the door body 100 with the power-requiring member 109, such as the door body 100 with the bulb, can be prepared by adopting an open foaming mode. In the process of preparing the door body 100, the door body 100 with the electric members 109 and the door body 100 without the electric members 109 can be prepared by adopting open foaming, and the closed foaming equipment and the mold are not required to be additionally prepared, so that the preparation efficiency of the door body 100 is improved, the cost is reduced, and the benefit is improved.

In a specific embodiment, the plug 101 is disposed on a side of the door liner 10 facing the door shell 20, the socket 201 is disposed on a side of the door shell 20 facing the door liner 10, and when the door liner 10 and the door shell 20 move towards each other, the plug 101 can be inserted into the socket 201, so as to electrically connect the plug 101 and the socket 201. The electricity requiring member 109 may be a light bulb, which is electrically connected to the plug 101, and when the plug 101 is electrically connected to the socket 201, the light bulb is in line communication.

In another embodiment, a socket is disposed on a side of the door liner 10 facing the door shell 20, and a plug is disposed on a side of the door shell 20 facing the door liner 10, and when the door liner 10 and the door shell 20 move in opposite directions, the plug 101 can be inserted into the socket 201, so as to electrically connect the plug 101 with the socket 201. The electricity requiring member 109 may be a light bulb, which is electrically connected to the plug 101, and when the plug 101 is electrically connected to the socket 201, the light bulb is in line communication.

Optionally, the plug 101 corresponds to the receptacle 201 to enable insertion of the plug 101 into the receptacle 201.

In this embodiment, the positions of the plug 101 and the socket 201 correspond to each other, so that when the door shell 20 and the door liner 10 are closed, the plug 101 can be automatically inserted into the socket 201, and the convenience in matching the plug 101 and the socket 201 is improved.

Alternatively, as shown in fig. 2 and 3, when the door liner 10 is provided with the plug 101, a first positioning portion is configured on a first wall surface of the door liner 10 facing the door shell 20, the plug 101 is configured with a first positioning mating portion that mates with the first positioning portion, and when the first positioning portion mates with the first positioning mating portion, the plug 101 is mounted on the door liner 10.

In this embodiment, the door liner 10 is provided with a first positioning portion, and the plug 101 is provided with a first positioning mating portion, so that the plug 101 can be positioned on the door liner 10, so that the plug 101 can be accurately inserted into the socket 201 when the door shell 20 and the door liner 10 are clamped.

Alternatively, as shown in fig. 3, the first wall surface protrudes toward the door liner 10 to form a protrusion 105, the protrusion 105 being configured with a first groove 106, the first positioning portion including the first groove 106; the plug 101 includes terminal 102 and retainer plate 103, and the outside of terminal 102 is located to the retainer plate 103 cover, and first location cooperation portion includes retainer plate 103, and the outside of terminal 102 is located to the retainer plate 103 cover, and when the retainer plate 103 was located first recess 106, retainer plate 103 cooperatees with first recess 106 to realize the location of plug 101.

In this embodiment, the positioning ring 103 is sleeved outside the terminal 102, and the positioning ring 103 can be located in the first groove 106, that is, the positioning ring 103 and the first groove 106 are matched to realize fixation, so that the terminal 102 is conveniently inserted into the jack of the socket 201, and further, the positioning and fixation of the plug 101 are realized, so that the plug 101 and the socket 201 are conveniently matched.

Optionally, the positioning ring 103 is a rubber ring.

In this embodiment, the positioning ring 103 is a rubber ring, so that the positioning ring 103 is conveniently inserted into the first groove 106. And the rubber ring can insulate, so that electric leakage is avoided.

Optionally, the first groove 106 is provided with a first limiting portion, the positioning ring 103 is provided with a first limiting matching portion, and the first limiting portion is matched with the first limiting matching portion, wherein when the first limiting portion is matched with the first limiting matching portion, the first groove 106 and the positioning ring 103 limit movement.

Optionally, the inner wall surface of the first groove 106 is configured with a limiting protrusion 1061, the outer wall surface of the positioning ring 103 is configured with a limiting groove 1031 adapted to the limiting protrusion 1061, and when the positioning ring 103 is located in the first groove 106, the limiting protrusion 1061 is located in the limiting groove 1031 to limit the positioning ring 103 from being separated from the first groove 106. Wherein, the first spacing portion includes a spacing groove 1031, and the first spacing mating portion includes a spacing protrusion 1061.

In this embodiment, when the limiting protrusion 1061 and the limiting groove 1031 are matched, the positioning ring 103 is connected with the first groove 106, so that the first groove 106 realizes the limiting and connection of the positioning ring 103, and finally realizes the positioning and fixing of the plug 101.

Alternatively, the cross section of the first groove 106 is semi-annular, so that the positioning ring 103 is inserted into the first groove 106.

In this embodiment, the first groove 106 is semi-annular, and it can be understood that: the first groove 106 is not a closed ring shape, so that the positioning ring 103 can drive the plug 101 to be inserted into the first groove 106 from one side, and positioning and fixing of the plug 101 are further realized.

It should be noted that: the retainer ring 103 and the first groove 106 may be connected in other manners, for example, the retainer ring 103 and the first groove 106 may be connected by using a fastener, an adhesive, or a screw, or the retainer ring 103 and the first groove 106 may be connected by using an interference fit, which is an alternative embodiment of the present application.

Optionally, the positioning ring 103 is matched with the first groove 106, that is, the shapes of the positioning ring 103 and the first groove 106 are not fixed, in actual use, the shapes of the positioning ring 103 and the first groove 106 can be set according to the requirement, and the connection between the positioning ring 103 and the first groove 106 can be realized, which belongs to the alternative embodiment of the present application.

Optionally, as shown in fig. 3 and 4, the plug 101 further includes a metal block 104, where the metal block 104 is sleeved on the outer side of the terminal 102, and the metal block 104 is located between the positioning ring 103 and the terminal 102.

In this embodiment, a metal block 104 is disposed between the positioning ring 103 and the plug 101, and the metal block 104 facilitates fixing the plug 101. Specifically, the door body 100 further includes a first insulating rubber sleeve, and the first insulating rubber sleeve is sleeved on the outer side of the plug 101 and then passes through the through hole of the metal block 104 to be clamped, so that the plug 101 and the metal block 104 are fixed. The positioning ring 103 is sleeved on the outer side of the metal block 104, so that the positioning and fixing of the plug 101 are realized.

Alternatively, the metal block 104 is a magnetic metal block, such as a metal having magnetism, which may be an iron block, an iron alloy, a cobalt block, a nickel block, or the like.

Optionally, the terminal 102 is a copper bar terminal.

Optionally, as shown in fig. 1, the second wall surface of the door liner 10 facing away from the door body 100 is further configured with a mounting portion 107, and the mounting portion 107 is adapted to mount an electricity requiring member 109, wherein the electricity requiring member 109 is connected to the plug 101 through a first power cord 108.

In this embodiment, the electricity-requiring member 109 is disposed on the second wall surface of the door liner 10 facing away from the door shell 20, so that the electricity-requiring member 109 can conveniently act on the storage space covered by the door body 100, for example, when the electricity-requiring member 109 is a bulb, the interior space of the device for installing the door body 100 can be conveniently illuminated. When the electric component 109 is a sterilizing device, it is convenient to sterilize the inside of the apparatus to which the door body 100 is mounted.

In the production process of the door body 100, the plug 101, the metal block 104, the insulating rubber sleeve, the positioning ring 103, the first groove 106, the power-requiring member 109, the first power line 108 and the door liner 10 are integrated before foaming, so that the plug 101 of each door liner 10 is fixed in position, and then the door liners 10 are subjected to die assembly operation, and the plug 101 is conveniently inserted into the socket 201.

Alternatively, as shown in fig. 5 to 7, when the door shell 20 is provided with the socket 201, the socket 201 is provided at a side of the door shell 20 facing the door liner 10, and the socket 201 is fixedly connected with the door shell 20.

In this embodiment, the socket 201 is fixedly connected to the door case 20, so that the socket 201 can be fixed and positioned, and thus, is convenient to be matched with the plug 101.

Alternatively, the socket 201 is fixedly connected to the door case 20 by means of adhesion, screws, or the like.

Alternatively, as shown in fig. 6 and 7, the socket 201 includes a socket body 202, a connection terminal 203, and a second power cord 204, the socket body 202 being configured with a first receptacle 2021; the connection terminal 203 is located at a side of the socket body 202 facing away from the terminal, the connection terminal 203 is configured with a second receptacle 2031, the second receptacle 2031 corresponding to the first receptacle 2021; the second power line 204 is adapted to be connected between the connection terminal 203 and an external power source; when the plug 101 is plugged into the socket 201, the plug 101 sequentially penetrates through the first jack 2021 and the second jack 2031, so as to realize electrical connection between the plug 101 and an external power supply.

In this embodiment, the socket 201 includes a plurality of parts, the socket body 202 is located above the connection terminal 203, the socket body 202 plays a role of guiding the movement of the plug 101, so that the plug 101 is conveniently inserted into the first jack 2021 and the second jack 2031 in sequence, the connection terminal 203 is electrically connected with an external power supply, when the plug 101 is inserted into the second jack 2031, the plug 101 contacts with the connection terminal 203, thereby realizing the communication between the plug 101 and the power supply, and finally realizing the electrical communication between the power-requiring member 109.

The connecting terminal 203 is riveted with the second power line 204, the second power line 204 penetrates through the door shell 20 from the outside of the door shell 20 and extends into one side of the door shell 20 facing the door liner 10, a second insulating rubber sleeve is sleeved outside the connecting line segment, the second insulating rubber sleeve clamps and seals the perforation of the second power line 204 on the door shell 20, then the connecting terminal 203 is connected with the socket body 202, and then the connecting terminal 203 and the socket body 202 are pasted on the door shell 20 through double-sided adhesive tape.

Optionally, the door body 100 is further configured with a positioning tool 40, when the socket 201 is installed, the positioning tool 40 is first set on the door shell 20 to perform positioning, and then the socket 201 is installed according to the positioning of the positioning tool 40, so that positioning and installation of the socket 201 are achieved, and matching of the socket 201 and the plug 101 is facilitated. After the socket 201 is installed, the positioning tool 40 is removed, so as to facilitate the installation of the door body 100.

In the process of manufacturing the door body 100, the socket body 202, the connection terminal 203, and the second power cord 204 are assembled into one body through the door shell 20, and then the door shell 20 is subjected to a mold clamping operation.

Alternatively, as shown in fig. 6, the socket 201 is configured with a second recess 2022 having an opening, the insertion hole is located at the bottom wall of the second recess 2022, and the positioning ring 103 can partially extend into the second recess 2022 and block the opening when the plug 101 is inserted into the insertion hole.

In this embodiment, the retainer plate 103 can also block the opening of socket 201, plays the effect of sealing glue, can avoid the foaming agent to get into in the socket 201, can also avoid electric leakage, plays good sealed effect. In addition, the positioning ring 103 can partially extend into the second groove 2022, so that when the door liner 10 and the door shell 20 are assembled, the positioning ring 103 can play a role in guiding the plug 101, and the matching accuracy of the plug 101 and the socket 201 is further improved.

Optionally, the end surface of the positioning ring 103 facing the socket 201 is curved for guiding the plug 101 to be inserted into the jack.

In this embodiment, the end surface of the positioning ring 103 facing the socket 201 is arc-shaped, which can reduce resistance, and facilitate the insertion of the positioning ring 103 into the second groove 2022, thereby facilitating the insertion of the plug 101 into the jack.

Optionally, the socket body 202 is configured with a second recess 2022, the first receptacle 2021 is located at the bottom of the second recess 2022, and the first receptacle 2021 penetrates the socket body 202, and the first receptacle 2021 corresponds to and communicates with the second receptacle 2031.

As shown in fig. 4, the embodiment of the present disclosure further provides a plug-and-socket assembly, in which the terminal 102 is configured with a limiting portion at its end and the receptacle is configured with a limiting mating portion, and the limiting portion mates with the limiting mating portion when the terminal 102 is inserted into the receptacle, so as to limit the plug 101 from being separated from the receptacle.

In this embodiment, the structure of spacing portion and spacing cooperation portion can avoid plug 101 to insert in the jack and rebound and break away from, solves the problem that plug 101 kick-backs and loosens, has guaranteed the stability of the connection of plug 101 and jack, and after door shell 20 and door liner 10 compound die like this, plug 101 and jack are connected in place and stable, have guaranteed stability and reliability of door body 100 in the use in the future.

Optionally, the limiting portion includes a notch 1021, the limiting matching portion includes a lower end surface of the jack, and when the notch 1021 is clamped with the lower end surface of the jack, the limiting portion is matched with the limiting matching portion.

In this embodiment, the end of the terminal 102 is provided with the notch 1021, so that after the terminal 102 is inserted into the jack, the notch 1021 is tender to be consolidated and clamped with the lower end surface of the jack, thus realizing the limit of the plug 101 and the jack, and avoiding the rebound and loosening of the plug 101.

Optionally, as shown in fig. 4, the terminal 102 is further configured with a bevel 1022, where the bevel 1022 and the notch 1021 are disposed opposite to each other in a radial direction of the terminal 102, and an outer diameter of the bevel 1022 is gradually reduced along a direction in which the plug 101 is inserted into the jack, so as to implement a snap-connection between the notch 1021 and a lower end surface of the jack.

In this embodiment, a bevel 1022 is disposed above the notch 1021, along the direction in which the plug 101 is inserted into the jack, the outer diameter of the bevel 1022 is gradually reduced, and the bevel 1022 and the notch 1021 are disposed opposite to each other along the radial direction of the terminal 102, as can be understood: when the terminal 102 is inserted into the jack, the contact area between the inclined surface 1022 and the inner wall of the jack is gradually increased, so that the inner wall of the jack can apply force to the inclined surface 1022, the terminal 102 is inclined towards one side of the notch 1021, the notch 1021 can hook the lower wall surface of the jack and is clamped with the jack, and rebound and loosening of the terminal 102 are avoided.

Optionally, the upper portion of the notch 1021 is disposed opposite to the inclined surface 1022 along the radial direction of the terminal 102, so that the plug 101 can be inserted into the jack, and when the notch 1021 extends below the jack, the inclined surface 1022 interacts with the inner wall surface of the jack, and the notch 1021 is inclined, so that the notch 1021 can be matched with the lower wall surface of the jack.

Specifically, the receptacles include a first receptacle 2021 and a second receptacle 2031, the second receptacle 2031 being configured with a limit fit.

Alternatively, the connection terminal 203 is partially protruded 105 to form an arch bridge 2032, and the second receptacle 2031 penetrates the arch bridge 2032 in the thickness direction of the arch bridge 2032 so as to avoid a space below the second receptacle 2031.

In this embodiment, the portion of the connection terminal 203 configured with the second receptacle 2031 protrudes upward to form the arch bridge 2032, so that a space below the second receptacle 2031 can be avoided, the plug 101 is convenient to insert, and the notch 1021 and the lower wall surface of the second receptacle 2031 are also convenient to be clamped in a matching manner, so that the limit of the plug 101 and the receptacle is realized.

As shown in fig. 8 to 12, the embodiment of the present disclosure further provides a foaming apparatus 30 for preparing the door body 100 of any one of the above embodiments.

Alternatively, the foaming device 30 is an open-type foaming device including an upper mold 301 and a lower mold 302, the upper mold 301 being used for placing one of the door shell 20 and the door liner 10; the lower mold 302 is used to place the other of the door shell 20 and the door liner 10. In this way, the upper die 301 and the lower die 302 drive the door shell 20 and the door liner 10 to move in opposite directions, and the plug 101 and the socket 201 can be automatically closed, so as to realize the electrical communication of the bulb.

In this embodiment, when the foaming device 30 prepares the door body 100, the upper mold 301 and the lower mold 302 move in opposite directions, so as to drive the door shell 20 and the door liner 10 to move in opposite directions, and simultaneously, foaming material is injected into the door shell 20, and finally, the door shell 20 and the door liner 10 are assembled into a whole under the action of the foaming mold.

Optionally, as shown in fig. 10, the foaming device 30 further includes a magnet 308, where the magnet 308 is disposed on the upper mold 301 or the lower mold 302, corresponding to the metal block 104, and when the door shell 20 and the door liner 10 are closed, the magnet 308 applies a magnetic force to the metal block 104, so that the metal block 104 moves towards the magnet 308, and the metal block 104 drives the plug 101 to move.

In this embodiment, the foaming device 30 is provided with a magnet 308, when the door shell 20 and the door liner 10 are assembled, the magnet 308 can apply magnetic force to the metal block 104, and the metal block 104 drives the plug 101 to be inserted into the socket 201, so that the plug 101 has enough force to be inserted into the socket 201 to be connected, and then the matching of the plug 101 and the socket 201 is completed.

Alternatively, as shown in fig. 10 and 11, when the upper mold 301 and the lower mold 302 are closed, the magnet 308 has magnetism so that the magnet 308 can apply a magnetic force to the metal block 104; when the upper mold 301 and the lower mold 302 are opened, the magnet 308 is demagnetized, so that the magnet 308 no longer applies a magnetic force to the metal block 104.

In this embodiment, when the upper mold 301 and the lower mold 302 are closed, the door shell 20 and the door body 100 move in opposite directions, and the magnet 308 has magnetism, so that the magnet can apply force to the metal block 104 while the door shell 20 and the door liner 10 are closed, and further the plug 101 can be ensured to be inserted into the jack. When the lower mold 302 and the upper mold 301 are opened, the magnet 308 is demagnetized, so that the door body 100 can be taken away, and the next door body 100 can be conveniently foamed.

Optionally, the magnet 308 comprises a permanent magnet disk.

In the embodiment, the permanent magnetic chuck is designed by utilizing the principle of continuity of magnetic flux and the principle of superposition of magnetic fields, the magnetic circuit of the permanent magnetic chuck is designed into a plurality of magnetic systems, and the addition or the cancellation of the magnetic field intensity on the working magnetic pole face is realized by the relative movement of the magnetic systems, so that the purposes of holding and unloading are achieved. This can realize the magnetization of the magnet 308 during mold closing and the demagnetization of the magnet 308 during mold opening.

Optionally, the foaming device 30 further includes a link assembly, where the link assembly is connected to the magnet 308, and when the upper mold 301 and the lower mold 302 are closed, the upper mold 301 and/or the lower mold 302 drive the link assembly to move, and the link assembly makes the magnet 308 have magnetism; when the upper die 301 and the lower die 302 are opened, the upper die 301 and/or the lower die 302 drive the link assembly to move, and the link assembly causes the magnet 308 to be demagnetized.

In this embodiment, the linkage assembly is used to apply force to the magnets 308, thereby moving the magnets 308 to effect the addition or cancellation of the magnetic field strengths.

Optionally, as shown in fig. 8, the foaming apparatus 30 further includes an upper end frame 303 and a lower end frame 304, the upper end frame 303 is disposed above the upper mold 301, and the upper end frame 303 is connected to the upper mold 301; the lower end frame 304 is arranged below the lower die 302, and the lower end frame 304 is connected with the lower die 302;

as shown in fig. 8 and 9, the link assembly includes a swing link 305 and a link 306, the swing link 305 being movably connected between the upper end frame 303 and the lower end frame 304; the connecting rod 306 is connected between the swing rod 305 and the magnet 308, and when the upper end frame 303 and the lower end frame 304 are forced to move in opposite directions, the swing rod 305 drives the connecting rod 306 to rotate along the first direction, so that the connecting rod 306 drives the magnet 308 to magnetize; when the upper end frame 303 and the lower end frame 304 are not subjected to the force of opposite movement, the connecting rod 306 rotates along the second direction, the connecting rod 306 drives the magnet 308 to demagnetize, and the first direction is opposite to the second direction.

In this embodiment, the upper end frame 303 and the lower end frame 304 respectively drive the upper mold 301 and the lower mold 302 to move, and further drive the door shell 20 and the door liner 10 to move, so as to realize mold closing and mold opening of the door liner 10 and the door shell 20. The swing link 305 is movably connected between the upper end frame 303 and the lower end frame 304 such that the swing link 305 can swing when the upper end frame 303 and/or the lower end frame 304 are moved. The connecting rod 306 is connected with the swing rod 305, so that the swing rod 305 can drive the connecting rod 306 to rotate, the connecting rod 306 is connected with the magnet 308, and when the connecting rod 306 rotates, the magnet 308 can be magnetized and demagnetized. By such a link assembly, the magnet 308 can be magnetized while the door liner 10 and the door shell 20 are clamped, and thus the magnetic force is applied to the plug 101 so that the plug 101 can be completely inserted into the socket 201. When the foaming of the door body 100 is completed, the upper end frame 303 and the lower end frame 304 are separated, and the connecting rod 306 rotates again to demagnetize the magnet 308, so that the door body 100 is convenient to take away, and the next foaming process of the door body 100 is convenient to carry out.

Alternatively, as shown in fig. 9 and 10, the link assembly further includes a compound swing pivot seat 307, the compound swing pivot seat 307 is disposed on the lower end frame 304, the link 306 penetrates through the compound swing pivot seat 307 to be connected with the magnet 308, and the link 306 is connected with the compound swing pivot seat 307, when the upper end frame 303 and the lower end frame 304 are not subjected to force of opposite movement, the compound swing pivot seat 307 drives the link 306 to rotate towards the second direction, and the link 306 drives the swing link 305 to move so as to enable the upper end frame 303 and the lower end frame 304 to move in opposite directions.

In this embodiment, the compound pendulum shaft seat 307 is used for resetting the connecting rod 306, and when the upper end frame 303 and/or the lower end frame 304 do not move in opposite directions due to external force, the compound pendulum shaft seat 307 can drive the connecting rod 306 to move along the second direction, so that the magnet 308 is demagnetized. Meanwhile, the connecting rod 306 can drive the swing rod 305 to reset, so that the upper end frame 303 and the lower end frame 304 are separated, and the next door body 100 can be conveniently foamed.

Alternatively, the compound pendulum pivot mount may be a damped compound pendulum pivot mount.

Alternatively, the magnet 308 is detachably attached or fixedly attached to the upper die 301 or the lower die 302.

In a specific embodiment, the door liner 10 is arranged on the upper die 301, the door shell 20 is arranged on the lower die 302, the door liner 10 is provided with the plug 101, the door shell 20 is provided with the socket 201, the magnet 308 is arranged on the lower die 302, the compound pendulum rotating shaft seat 307 is arranged on the lower end frame 304, the compound pendulum rotating shaft seat 307, the connecting rod 306 and the swinging rod 305 are clamped together, when the door body 100 foams, the foaming equipment 30 injects foaming materials into the door shell 20, the foaming equipment 30 slowly performs die assembly, the upper end frame 303 of the foaming equipment 30 moves downwards, and then the swinging rod 305 moves, the swinging rod 305 drives the connecting rod 306 to rotate, and the connecting rod 306 rotates to drive the magnet 308 to uniformly magnetize the magnetic pole of the magnet 308 so that the magnet 308 generates magnetic force. Meanwhile, the plug 101 of the door liner 10 moves into the socket 201 along with the movement of the door liner 10, the magnet 308 applies force to the metal block 104 on the outer side of the plug 101, so that the plug 101 is inserted into the socket 201 with enough force, and meanwhile, the rubber ring on the outer side of the metal block 104 is driven to move downwards, so that the rubber ring can seal the opening of the second groove 2022, the sealing of the plug 101 and the socket 201 is realized, the problems of electric leakage and poor contact are avoided, and the problems of potential safety hazards and foaming layering are avoided. Meanwhile, after the plug 101 is inserted into the jack, the notch 1021 and the inclined surface 1022 of the plug 101 enable the plug 101 to be clamped with the connection terminal 203, so that rebound of the plug 101 is avoided, and connection stability of the plug 101 is ensured. After the door body 100 is prepared, the upper die 301 and the lower die 302 are opened, the reset rotating shaft seat drives the connecting rod 306 to rotate towards the second direction, the connecting rod 306 drives the magnet 308 to rotate so that magnetic poles of the magnet are offset to eliminate magnetic force, and meanwhile, the connecting rod 306 also drives the swing rod 305 to move so that the swing rod 305, the upper die 301 and the lower die 302 are reset for foaming operation in the next period.

The above description and the drawings illustrate embodiments of the disclosure sufficiently to enable those skilled in the art to practice them. Other embodiments may include structural and other modifications. The embodiments represent only possible variations. Individual components and functions are optional unless explicitly required, and the sequence of operations may vary. Portions and features of some embodiments may be included in, or substituted for, those of others. The embodiments of the present disclosure are not limited to the structures that have been described above and shown in the drawings, and various modifications and changes may be made without departing from the scope thereof. The scope of the present disclosure is limited only by the appended claims.

Claims (10)

1. A plug and socket assembly, comprising:

the plug comprises a terminal, wherein the tail end of the terminal is provided with a limiting part;

the socket is provided with a jack, the jack is provided with a limit matching part in a structure, and when the terminal is inserted into the jack, the limit part is matched with the limit matching part so as to limit the terminal to be separated from the jack.

2. The plug and receptacle assembly of claim 1, wherein,

the limiting part comprises a notch, the limiting matching part comprises a lower end face of the jack, and when the notch is clamped with the lower end face of the jack, the limiting part is matched with the limiting matching part.

3. The plug and receptacle assembly of claim 2, wherein,

the terminal is also provided with an inclined plane, the inclined plane and the notch are oppositely arranged along the radial direction of the terminal, the outer diameter of the inclined plane is gradually reduced along the direction of the terminal inserted into the jack, and the notch is clamped with the lower end face of the jack.

4. The plug and receptacle assembly of claim 1, wherein the receptacle comprises:

the socket body is provided with a first jack, and the first jack penetrates through the socket body along the direction that the terminal is inserted into the jack;

the connecting terminal is positioned on one side of the socket body, which is away from the terminal, and is provided with a second jack, and the second jack corresponds to the first jack;

wherein the second jack is configured with the limit fitting portion.

5. The plug and receptacle assembly of claim 4, wherein,

the connecting terminal part protrudes upwards to form an arch bridge part, and the second jack penetrates through the arch bridge part along the thickness direction of the arch bridge part so as to avoid a space below the second jack.

6. The plug and receptacle assembly of claim 1, wherein,

the number of the terminals is a plurality of, and the number of the jacks is the same as the number of the terminals and corresponds to one of the terminals.

7. The plug and receptacle assembly according to any one of claims 1 to 6, further comprising:

the positioning ring is sleeved on the outer side of the terminal;

the socket is characterized in that the socket defines a second groove with an opening, the jack is arranged at the bottom of the second groove, and when the terminal is inserted into the jack, the positioning ring can be inserted into the second groove and block the opening.

8. The plug and receptacle assembly of claim 7, wherein,

the tail end of the positioning ring is arc-shaped so as to guide the plug to be inserted into the jack.

9. A door comprising a plug and socket assembly as claimed in any one of claims 1 to 8.

10. A foaming apparatus for preparing the door body of claim 9.

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