CN215870035U

CN215870035U - Firmly-connected coupler and electric blanket

Info

Publication number: CN215870035U
Application number: CN202121732608.5U
Authority: CN
Inventors: 陈然
Original assignee: Shenyang Kehai Rongsheng Technology Co ltd
Current assignee: Shenyang Kehai Rongsheng Technology Co ltd
Priority date: 2021-07-28
Filing date: 2021-07-28
Publication date: 2022-02-18
Anticipated expiration: 2031-07-28

Abstract

The utility model provides a coupler and an electric blanket which are firmly connected; the electric blanket includes the blanket body, and firm in connection's coupler includes: the plug comprises a male end, a wiring end, a female end, a plug spring, a clamping groove and an elastic buckle; the male end comprises a male end upper shell and a male end lower shell, and the male end upper shell and the male end lower shell are enclosed to form a containing cavity with an opening; the wiring end is embedded into the accommodating cavity, at least two contact pins are arranged on the wiring end, and the at least two contact pins are positioned in the opening; one end of the female end is provided with an interface which is embedded into the opening, and the interface is provided with a slot so that the contact pin is inserted into the slot; the inserting spring is embedded in the slot and is contacted with the inserting pin; the clamping groove is arranged on the inner wall of the male end upper shell; the elastic buckle is arranged on the upper wall of the interface; wherein, elasticity buckle and draw-in groove looks adaptation to make in the elasticity buckle imbeds the draw-in groove.

Description

Firmly-connected coupler and electric blanket

Technical Field

The utility model relates to the technical field of electric blankets, in particular to a coupler with firm connection and an electric blanket.

Background

At present, in the related art, existing firmly-connected couplers for electric blankets are connected in a plugging manner, but since a connection fixing structure is not arranged in the firmly-connected couplers, the firmly-connected couplers are easy to loosen after being used for a long time, so that electric sparks are easy to generate, and the use safety of the firmly-connected couplers is reduced.

SUMMERY OF THE UTILITY MODEL

The present invention is directed to solving at least one of the problems of the prior art or the related art.

To this end, a first aspect of the utility model proposes a firmly connected coupler.

A second aspect of the utility model provides an electric blanket.

In view of the above, the present invention provides, in a first aspect, a firmly connected coupler for an electric blanket, the electric blanket including a blanket body, the firmly connected coupler comprising: the plug comprises a male end, a wiring end, a female end, a plug spring, a clamping groove and an elastic buckle; the male end comprises a male end upper shell and a male end lower shell, and the male end upper shell and the male end lower shell are enclosed to form a containing cavity with an opening; the wiring end is embedded into the accommodating cavity, at least two contact pins are arranged on the wiring end, and the at least two contact pins are positioned in the opening; one end of the female end is provided with an interface which is embedded into the opening, and the interface is provided with a slot so that the contact pin is inserted into the slot; the inserting spring is embedded in the slot and is contacted with the inserting pin; the clamping groove is arranged on the inner wall of the male end upper shell; the elastic buckle is arranged on the upper wall of the interface; wherein, elasticity buckle and draw-in groove looks adaptation to make in the elasticity buckle imbeds the draw-in groove.

In the technical scheme, firstly, a containing cavity with an opening is enclosed by a male end upper shell and a male end lower shell so as to realize that a containing space is arranged in the male end; secondly, the wiring end provided with at least two contact pins is embedded into the accommodating cavity to protect the wiring end, and the at least two contact pins are positioned in the opening to communicate the contact pins with the outside; thirdly, an interface is arranged at one end of the female end and is embedded into the opening so as to realize the positioning of the interface, and meanwhile, a slot is arranged on the interface so as to realize the insertion of the contact pin into the slot and make the contact pin contact with a spring in the slot, thereby realizing the electric connection between the male end and the female end; thirdly, through setting up the draw-in groove on the inner wall of public end epitheca to set up elastic buckle on the upper wall of interface, because elastic buckle and draw-in groove looks adaptation, consequently can realize taking place elastic deformation through making elastic buckle, and make elastic buckle imbed in the draw-in groove, thereby link together public end and female end, take place not hard up when avoiding public end and female end to be connected electrically, in order to prevent to produce the electric spark, and then improve the security that firm in connection's coupler used. By adopting the structure, the wiring terminal is embedded into the containing cavity formed by enclosing the male end upper shell and the male end lower shell so as to realize the positioning of the wiring terminal; then, the binding post of the wiring terminal is electrically connected with a heating device in the electric blanket through a lead; then, inserting the inserting pin on the wiring terminal into the slot of the female terminal to enable the inserting pin to be in contact with the inserting spring in the slot, connecting the inserting spring with a power supply through a lead, and supplying power to the heating device in the electric blanket by using the power supply, thereby ensuring the normal use of the heating device; then, the elastic buckle arranged on the upper wall of the interface is embedded into the clamping groove arranged on the inner wall of the upper shell of the male end, so that the male end is connected with the female end together, and the coupler with firm connection has a connection fixing structure, thereby improving the connection firmness of the male end and the female end; when the elastic buckle is embedded into the clamping groove, the elastic buckle is elastically deformed and retreats from the clamping groove, so that the male end and the female end are separated. The structure has a simple structure, can facilitate the operation and the assembly of the coupler with firm connection, and can improve the connection firmness of the coupler with firm connection, avoid the coupler with firm connection from loosening during electric connection so as to prevent electric sparks and further improve the use safety of the coupler with firm connection.

In addition, the coupler with firm connection in the technical scheme provided by the utility model can also have the following additional technical characteristics:

in the above technical solution, preferably, the firmly connected coupler further includes: a fixing plate and a connecting piece; the fixing plate is plate-shaped and is positioned at the lower part of the male end, and the blanket body is positioned between the fixing plate and the male end; at least two connecting pieces are fixed on the male end after sequentially penetrating through the fixing plate and the blanket body.

In the technical scheme, the fixing plate is in a plate shape, the fixing plate is positioned at the lower part of the male end, and the blanket body is positioned between the fixing plate and the male end, so that the blanket body is clamped between the male end and the fixing plate; after passing the fixing plate and the blanket body in sequence, the at least two connecting pieces are fixed on the male end, so that the male end is fixed on the blanket body, and the firmness of connection of the male end and the blanket body is improved.

In above-mentioned technical scheme, preferably, the elasticity buckle is rectangular form, and the one end of elasticity buckle is connected with the upper wall of interface, and the draw-in groove is the rectangle draw-in groove.

In the technical scheme, the elastic buckle is in a long strip shape, and one end of the elastic buckle is connected with the side wall of the interface, so that the elastic buckle can be elastically deformed by pressing the other end of the elastic buckle; simultaneously, set up the draw-in groove into the rectangle draw-in groove to the realization is with in the elasticity buckle embedding draw-in groove, thereby prevents that elasticity buckle and draw-in groove from taking place to break away from.

Specifically, the elastic buckle is a plastic body, so that the elastic buckle can be elastically deformed while having certain toughness.

In above-mentioned technical scheme, preferably, the elasticity buckle is circular arch, and the draw-in groove is circular recess.

In the technical scheme, the elastic buckle is arranged to be a circular protrusion, and the clamping groove is arranged to be a circular groove, so that the circular protrusion is embedded into the circular groove, and the male end is connected with the female end; when the circular protrusion is embedded into the circular groove, the circular protrusion needs to be separated from the circular groove with a large force, so that the male end and the female end can be separated.

In the above technical solution, preferably, the firmly connected coupler further includes: a support part and a support pillar; the supporting part is connected with the upper wall of the wiring end and is attached to the inner wall of the upper shell of the male end; the support column is connected with the inner wall of the male end upper shell, and the support column is attached to the terminal.

In this technical scheme, through being connected the upper wall with the supporting part and wiring end to make the supporting part laminate mutually with the inner wall of public end epitheca, simultaneously, be connected through the inner wall with support column and public end epitheca, and make support column and wiring end laminate mutually, support with the multiple spot that the public end epitheca pair wiring end in order to realize, thereby improved the stability of wiring end in holding the intracavity.

In the above technical solution, preferably, the firmly connected coupler further includes: a limiting part and a limiting groove; the two limiting parts are respectively connected with the two sides of the wiring end; the limiting groove is connected with the upper wall of the male lower shell, and the limiting groove is wound on the outer side of the limiting part.

In this technical scheme, be connected with the both sides of wiring end respectively through with two spacing portions, simultaneously, be connected the upper wall of spacing groove and public end inferior valve to make the spacing groove around establishing in the outside of spacing portion, with the realization spacing to the wiring end, thereby prevent that the wiring end from taking place the displacement, with the security that improves public end and female end electricity are connected, and then improve the security that firm in connection's coupler used.

In a second aspect, the utility model provides an electric blanket, which has the coupler with the firm connection according to any one of the above technical solutions, so that the electric blanket has all the advantages of the coupler with the firm connection according to any one of the above technical solutions.

Additional aspects and advantages of the utility model will be set forth in part in the description which follows and, in part, will be obvious from the description, or may be learned by practice of the utility model.

Drawings

The above and/or additional aspects and advantages of the present invention will become apparent and readily appreciated from the following description of the embodiments, taken in conjunction with the accompanying drawings of which:

FIG. 1 shows a schematic diagram of a securely connected coupler according to one embodiment of the present invention;

FIG. 2 shows a schematic structural diagram of a securely connected coupler according to another embodiment of the present invention;

FIG. 3 shows a schematic structural diagram of a securely connected coupler according to yet another embodiment of the present invention;

FIG. 4 shows a schematic structural diagram of a securely connected coupler according to yet another embodiment of the present invention;

FIG. 5 shows a schematic structural diagram of a securely connected coupler according to yet another embodiment of the present invention;

wherein, the correspondence between the reference numbers and the part names in fig. 1 to 5 is:

10 blanket body, 12 male end, 122 male end upper shell, 124 male end lower shell, 14 wiring end, 16 inserting pins, 18 female end, 20 clamping grooves, 22 elastic buckles, 24 fixing plates, 26 supporting parts, 28 supporting columns, 30 limiting parts and 32 limiting grooves.

Detailed Description

In order that the above objects, features and advantages of the present invention can be more clearly understood, a more particular description of the utility model will be rendered by reference to the appended drawings. It should be noted that the embodiments and features of the embodiments of the present application may be combined with each other without conflict.

In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention, however, the present invention may be practiced in other ways than those specifically described herein, and therefore the scope of the present invention is not limited by the specific embodiments disclosed below.

The firmly connected coupler and the electric blanket according to some embodiments of the present invention are described below with reference to fig. 1 to 5.

In an embodiment of the first aspect of the present invention, as shown in fig. 1 to 5, the present invention provides a fixedly connected coupler for an electric blanket, the electric blanket comprising a blanket body 10, the fixedly connected coupler comprising: male end 12, terminal 14, female end 18, socket spring, card slot 20 and elastic buckle 22; the male end 12 comprises a male end upper shell 122 and a male end lower shell 124, and the male end upper shell 122 and the male end lower shell 124 enclose a containing cavity with an opening; the terminal 14 is embedded into the accommodating cavity, the terminal 14 is provided with at least two pins 16, and the at least two pins 16 are positioned in the opening; one end of the female end 18 is provided with an interface which is embedded in the opening, and the interface is provided with a slot so that the pin 16 is inserted into the slot; the inserting spring is embedded in the slot and is contacted with the inserting pin 16; the card slot 20 is arranged on the inner wall of the male end upper shell 122; the elastic buckle 22 is arranged on the upper wall of the interface; the elastic buckle 22 is adapted to the slot 20, so that the elastic buckle 22 is inserted into the slot 20.

In this embodiment, first, a containing space is formed inside the male end 12 by enclosing the male end upper shell 122 and the male end lower shell 124 into a containing cavity with an opening; secondly, the terminal 14 provided with at least two pins 16 is embedded into the accommodating cavity to protect the terminal 14, and the at least two pins 16 are positioned in the opening to realize the communication between the pins 16 and the outside; thirdly, an interface is arranged at one end of the female end 18 and is embedded into the opening to realize the positioning of the interface, and meanwhile, a slot is arranged on the interface to realize the insertion of the pin 16 into the slot and the contact of the pin 16 and a spring in the slot, so that the male end 12 is electrically connected with the female end 18; thirdly, by arranging the slot 20 on the inner wall of the male end upper shell 122 and arranging the elastic buckle 22 on the upper wall of the interface, because the elastic buckle 22 is matched with the slot 20, the elastic buckle 22 can be elastically deformed and embedded into the slot 20, so that the male end 12 and the female end 18 are connected together, the male end 12 and the female end 18 are prevented from being loosened during electric connection, electric sparks are prevented from being generated, and the use safety of the coupler with firm connection is improved. With this structure, the terminals 14 are inserted into the accommodating cavities defined by the upper male end shell 122 and the lower male end shell 124, so as to position the terminals 14; then, the binding post of the terminal 14 is electrically connected with a heating device in the electric blanket through a lead; then, inserting the pin 16 on the terminal 14 into the slot of the female end 18 to make the pin 16 contact with the insertion spring in the slot, and connecting the insertion spring with a power supply through a lead, and supplying power to the heating device in the electric blanket by using the power supply, thereby ensuring the normal use of the heating device; then, the elastic buckle 22 arranged on the upper wall of the interface is embedded into the clamping groove 20 arranged on the inner wall of the male end upper shell 122, so that the male end 12 and the female end 18 are connected together, and the coupler with firm connection has a connection fixing structure, thereby improving the connection firmness of the male end 12 and the female end 18; when the elastic clip 22 is inserted into the slot 20, the elastic clip 22 is elastically deformed and the elastic clip 22 is withdrawn from the slot 20, so as to separate the male end 12 from the female end 18. The structure has a simple structure, can facilitate the operation and the assembly of the coupler with firm connection, and can improve the connection firmness of the coupler with firm connection, avoid the coupler with firm connection from loosening during electric connection so as to prevent electric sparks and further improve the use safety of the coupler with firm connection.

In one embodiment of the present invention, preferably, as shown in fig. 1 to 5, the firmly connected coupler further includes: a fixing plate 24 and a connecting member; the fixing plate 24 is plate-shaped and is fixedly positioned at the lower part of the male end 12, and the blanket body 10 is positioned between the fixing plate 24 and the male end 12; at least two connectors are fixed on the male end 12 after sequentially passing through the fixing plate 24 and the blanket body 10.

In this embodiment, the fixing plate 24 is made into a plate shape, the fixing plate 24 is located at the lower part of the male end 12, and the blanket body 10 is located between the fixing plate 24 and the male end 12, so as to clamp the blanket body 10 in the middle by the male end 12 and the fixing plate 24; the fixing of the male end 12 on the carpet body 10 is realized by sequentially passing at least two connectors through the fixing plate 24 and the carpet body 10 and fixing at least two connectors on the male end 12, thereby improving the firmness of the connection between the male end 12 and the carpet body 10.

In an embodiment of the present invention, preferably, as shown in fig. 1 to 5, the elastic clip 22 is in an elongated shape, one end of the elastic clip 22 is connected to an upper wall of the interface, and the slot 20 is a rectangular slot 20.

In this embodiment, the elastic buckle 22 is in a long strip shape, and one end of the elastic buckle 22 is connected to the side wall of the interface, so that the elastic buckle 22 can be elastically deformed by pressing the other end of the elastic buckle 22; meanwhile, the clamping groove 20 is set to be a rectangular clamping groove 20, so that the elastic buckle 22 is embedded into the clamping groove 20, and the elastic buckle 22 is prevented from being separated from the clamping groove 20.

Specifically, the elastic buckle 22 is a plastic body, so that the elastic buckle 22 can elastically deform while having a certain toughness.

In one embodiment of the present invention, preferably, the elastic catch 22 is a circular protrusion, and the catching groove 20 is a circular groove.

In this embodiment, the male end 12 is connected with the female end 18 by arranging the elastic buckle 22 as a circular protrusion and arranging the clamping groove 20 as a circular groove to realize that the circular protrusion is embedded into the circular groove; when the circular protrusion is inserted into the circular groove, a large force is required to disengage the circular protrusion from the circular groove to separate the male end 12 from the female end 18.

In one embodiment of the present invention, preferably, as shown in fig. 1 to 5, the firmly connected coupler further includes: a support 26 and a support column 28; the supporting portion 26 is connected to the upper wall of the terminal 14, and the supporting portion 26 is attached to the inner wall of the male end upper shell 122; the support posts 28 are attached to the inner wall of the male end housing 122, and the support posts 28 engage the terminals 14.

In this embodiment, the stability of the terminals 14 in the receiving cavities is improved by connecting the supporting portions 26 to the upper walls of the terminals 14 and making the supporting portions 26 abut against the inner walls of the male end upper housings 122, and by connecting the supporting columns 28 to the inner walls of the male end upper housings 122 and making the supporting columns 28 abut against the terminals 14, so as to realize multi-point support of the terminals 14 by the male end upper housings 122.

In one embodiment of the present invention, preferably, as shown in fig. 1 to 5, the firmly connected coupler further includes: a stopper 30 and a stopper groove 32; the two limiting parts 30 are respectively connected with the two sides of the wiring terminal 14; the limiting groove 32 is connected to the upper wall of the male lower case 124, and the limiting groove 32 is wound around the outer side of the limiting portion 30.

In this embodiment, the two limiting portions 30 are respectively connected to two sides of the terminal 14, and at the same time, the limiting groove 32 is connected to the upper wall of the male lower housing 124, and the limiting groove 32 is wound around the outer side of the limiting portions 30 to limit the terminal 14, so as to prevent the terminal 14 from being displaced, thereby improving the safety of the electrical connection between the male end 12 and the female end 18, and further improving the safety of the coupler with firm connection.

In a second aspect of the utility model there is provided an electric blanket having a substantially rigid coupler as described in any one of the above embodiments, thereby providing all the benefits of the substantially rigid coupler as described in any one of the above embodiments.

In the description of the present invention, the terms "plurality" or "a plurality" refer to two or more, and unless otherwise specifically limited, the terms "upper", "lower", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are merely for convenience in describing the present invention and simplifying the description, but do not indicate or imply that the referred device or element must have a specific orientation, be constructed in a specific orientation, and be operated, and thus should not be construed as limiting the present invention; the terms "connected," "mounted," "secured," and the like are to be construed broadly and include, for example, fixed connections, removable connections, or integral connections; may be directly connected or indirectly connected through an intermediate. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.

In the description of the present invention, the description of the terms "one embodiment," "some embodiments," "specific embodiments," etc., means that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the present invention. In the present invention, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. A securely connected coupler for an electric blanket, the electric blanket including a blanket body, the securely connected coupler comprising:

the male end comprises a male end upper shell and a male end lower shell, and the male end upper shell and the male end lower shell enclose a containing cavity with an opening;

the wiring end is embedded into the accommodating cavity, at least two contact pins are arranged on the wiring end, and the at least two contact pins are positioned in the opening;

the connector is embedded into the opening and is provided with a slot so that the contact pin can be inserted into the slot;

the inserting spring is embedded in the inserting groove and is in contact with the inserting pin;

the clamping groove is arranged on the inner wall of the male end upper shell;

the elastic buckle is arranged on the upper wall of the interface;

the elastic buckle is matched with the clamping groove, so that the elastic buckle is embedded into the clamping groove.

2. The secure coupler of claim 1, further comprising:

the fixing plate is in a plate shape, the fixing plate is positioned at the lower part of the male end, and the blanket body is positioned between the fixing plate and the male end;

and at least two connecting pieces sequentially penetrate through the fixing plate and the blanket body and are fixed on the male end.

3. The securely connected coupler of claim 1, wherein:

the elastic buckle is in a long strip shape, one end of the elastic buckle is connected with the upper wall of the interface, and the clamping groove is a rectangular clamping groove.

4. The securely connected coupler of claim 1, wherein:

the elastic buckle is a circular protrusion, and the clamping groove is a circular groove.

5. The secure coupler of claim 1, further comprising:

the supporting part is connected with the upper wall of the wiring terminal and is attached to the inner wall of the male end upper shell;

the support column, the support column with the inner wall of public end epitheca is connected, just the support column with the terminal phase is laminated.

6. The secure coupler of claim 5, further comprising:

the two limiting parts are respectively connected with two sides of the wiring end;

the limiting groove is connected with the upper wall of the male end lower shell, and the limiting groove is arranged around the outer side of the limiting part.

7. An electric blanket including a solid-connect coupler as claimed in any one of claims 1 to 6.