CN115513694A

CN115513694A - Connector assembly

Info

Publication number: CN115513694A
Application number: CN202211302116.1A
Authority: CN
Inventors: 肖柳华
Original assignee: Opple Lighting Co Ltd; Suzhou Op Lighting Co Ltd
Current assignee: Opple Lighting Co Ltd; Suzhou Op Lighting Co Ltd
Priority date: 2022-10-24
Filing date: 2022-10-24
Publication date: 2022-12-23

Abstract

The present invention provides a connector assembly comprising: a receptacle including a housing and conductive terminals; the plug is used for being butted with the socket and comprises an insulating body and a plug terminal; the insulating body comprises a base part and an extension part formed by extending from the base part along the direction away from the socket; the plug terminal comprises a butting part butted with the conductive terminal and a contact part electrically connected with the lamp strip; the contact part comprises a contact arm electrically connected with the lamp strip and an extension arm formed by bending and extending one end of the contact arm; the extension is at least partially covered by the contact arm and the extension arm. Compared with the prior art, the connector assembly provided by the invention has the advantages that the strength of the plug terminal is enhanced by coating the extension part with the contact arm and the extension arm, so that the plug terminal cannot deform, and the phenomena of incomplete contact, looseness and the like are avoided.

Description

Connector assembly

Technical Field

The invention belongs to the technical field of lighting lamps, and particularly relates to a connector component for a lamp strip.

Background

With the rapid development of the LED lighting industry and the gradual improvement of the living standard of people, the LED flexible lamp strip is also widely applied. However, conventional plug connectors for light strips are provided with an extension block at the insertion end and a conductive terminal abutting against the extension block. When the plug is inserted into the lamp tube of the lamp strip, the extension block and the conductive terminals are inserted into the lamp tube together. However, with such a design, when the plug is inserted into the lamp tube, the conductive terminal is not only easily deformed, but also easily contacts incompletely and loosens.

Accordingly, there is a need for a new connector assembly that solves the above problems.

Disclosure of Invention

The invention aims to provide a connector assembly, which utilizes a contact arm and an extension arm to coat an extension part so as to enhance the strength of a plug terminal, so that the plug terminal cannot deform, and the phenomena of incomplete contact, looseness and the like are avoided.

To achieve the above object, the present invention provides a connector assembly comprising:

a receptacle comprising a housing and conductive terminals; and

the plug is used for being butted with the socket and comprises an insulating body and a plug terminal; the insulating body comprises a base part and an extension part formed by extending from the base part in a direction away from the socket; the plug-in terminal comprises a butting part butted with the conductive terminal and a contact part electrically connected with the lamp strip; the contact part comprises a contact arm electrically connected with the lamp strip and an extension arm bent and extended from one end of the contact arm; the extension is at least partially covered by the contact arm and the extension arm.

As a further improvement of the invention, two extension arms are arranged and symmetrically arranged on two sides of the contact arm.

As a further improvement of the present invention, a side of the extending portion facing the lamp strip is provided with a first guide surface extending obliquely to guide the insertion of the plug into the lamp strip.

As a further improvement of the present invention, in the thickness direction of the insulating body, the extension height of the extension arm is the same as the extension height of the extension portion, a second guide surface extending obliquely is provided on a side of the extension arm facing the lamp strip, and the first guide surface and the second guide surface are coplanar.

As a further improvement of the present invention, the mating terminal further includes a connecting portion connecting the mating portion and the contact arm, and the connecting portion extends obliquely so that a plane of the contact arm is lower than a plane of the mating portion.

As a further improvement of the present invention, the insulation body and the plug terminal are integrally injection molded, the base portion is further provided with a rib extending along a direction away from the socket, and the extension arm is attached to the rib in the width direction of the insulation body.

As a further refinement of the present invention, the extension arm and the extension portion are configured to have an interference fit with the light strip.

As a further improvement of the invention, the insulating body is also provided with a stress groove, so that the plug can be ejected out through the stress groove during disassembly.

As a further improvement of the present invention, the housing includes a base, a fixing base extending from the base toward the plug, and an end cap cooperating with the fixing base, wherein an accommodating groove is provided in the base, and the plug is inserted into the accommodating groove, so that the force-bearing groove is exposed in the fixing base.

As a further improvement of the invention, the fixing seat comprises a bottom wall and side walls arranged on two sides of the bottom wall, and the outer wall surface of each side wall is provided with a first buckling part; the end cover is correspondingly provided with a second buckling part matched with the first buckling part.

As a further improvement of the invention, the outer wall surface of the side wall is also provided with a surrounding bone.

The beneficial effects of the invention are: the connector assembly of the invention utilizes the contact arm and the extension arm to coat the extension part so as to enhance the strength of the plug terminal, thereby ensuring that the plug terminal is not deformed and further avoiding the phenomena of incomplete contact, looseness and the like.

Drawings

Fig. 1 is a perspective view of the connector assembly of the present invention.

Fig. 2 is an exploded perspective view of the connector assembly shown in fig. 1.

Fig. 3 is an exploded perspective view of the power cord and the receptacle of fig. 2.

Fig. 4 is a perspective view of the plug of fig. 2.

Figure 5 is another perspective view of the plug of figure 4.

Figure 6 is an exploded view of the plug shown in figure 4.

Fig. 7 is another perspective view of the plug terminal of fig. 6.

Fig. 8 is a perspective view of the connector assembly of the present invention mated with a light strip.

Fig. 9 is a perspective view of fig. 8 with the lamp tube removed.

Fig. 10 is a perspective view of another embodiment of the plug of the present invention.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention will be described in detail with reference to the accompanying drawings and specific embodiments.

Referring to fig. 1 and 2, the present invention discloses a connector assembly 100, which includes a socket 10 and a plug 20 connected to the socket 10.

Referring to fig. 2 and 3, the socket 10 includes a housing 11 and conductive terminals 12 mounted in the housing 11. The housing 11 includes a base 111, a fixing base 112 formed by extending from the base 111 toward the plug 20, and an end cap 113 engaged with the fixing base 112. The end cover 113 and the fixing base 112 are integrally formed by injection molding, and a flip structure is formed, so that the end cover 113 can be turned downwards to be fixedly connected with the fixing base 112. Of course, in other embodiments, the end cap 113 and the fixing base 112 may also be independent components, so that the end cap 113 and the fixing base 112 may be directly fastened and connected.

The base 111 includes a base 1111 and a mating body 1112 formed to extend from the base 1111 toward the header 20. A receiving groove 1113 is formed in the mating body 1112 to receive the plug 20. The base 111 further has a tongue 1114 protruding into the receiving groove 1113. An accommodating cavity 1115 is arranged in the tongue plate 1114. The tongue 1114 is preferably a plastic spacer ring.

The conductive terminal 12 includes a first conductive part 121 and a second conductive part 122, and the first conductive part 121 is received in the receiving cavity 1115, so that the first conductive part 121 can be isolated by the tongue plate 1114, thereby avoiding electric shock of a user. The first conductive part 121 is used to interface with the plug 20 to transmit power. In this embodiment, the first conductive part 121 is provided in a cylindrical shape. The second conductive part 122 is held in the base 1111 and is used for electrically connecting with the power line 30, thereby obtaining power.

The fixing base 112 includes a bottom wall 1121 and side walls 1122 disposed on two sides of the bottom wall 1121. The bottom wall 1121 and the side wall 1122 are surrounded to form a receiving cavity 1123 for receiving the light strip 40 (as shown in fig. 8 and 9). A first engaging portion 11221 is provided on an outer wall surface of the side wall 1122. The end cap 113 is used to cooperate with the fixing base 112 to fix the light strip 40 in the accommodating cavity 1123. The end cover 113 is provided with a second fastening portion 1131 which is matched with the first fastening portion 11221, so that the end cover 113 can be fixed on the fixed seat 112 through the mutual fastening matching of the first fastening portion 11221 and the second fastening portion 1131.

In this embodiment, the first latching portion 11221 is a protrusion, and the second latching portion 1131 is a groove matched with the protrusion. Of course, in other embodiments, the first locking portion 11221 may be a groove, and the second locking portion 1131 is a protrusion matching with the groove; alternatively, the first latching portion 11221 and the second latching portion 1131 may have other structures that cooperate with each other, and are not limited herein.

A plurality of abutting portions 1132 are arranged on the inner wall surface of the end cover 113 to press and abut against the lamp strip 40, so that the lamp strip 40 is firmly fixed in the accommodating cavity 1123. Preferably, the end of the abutting portion 1132 is sharp, so that when the abutting portion 1132 abuts against the lamp strip 40, the abutting portion 1132 may pierce the lamp tube of the lamp strip 40, thereby fixing and positioning the lamp strip 40 in the axial direction of the lamp strip 40.

Furthermore, a plurality of ribs 11222 are further disposed on the outer wall surface of the side wall 1122, so that the user can be prevented from being detached by hands, and the risk of electric shock of the user is avoided.

Referring to fig. 4 to 7, the plug 20 is used for being butted with the socket 10, and includes an insulating body 21 and a plug terminal 22, in this embodiment, the insulating body 21 and the plug terminal 22 are integrally formed by injection molding. The insulating body 21 includes a base 211, a plug 212 formed to extend from the base 211 toward the socket 10, and an extension 213 formed to extend from the base 211 in a direction away from the socket 10. The plug portion 212 is provided with a plug cavity 2121 for receiving the plug terminal 22 and the tongue 1114. When the plug 20 is plugged into the socket 10, the plug portion 212 is located between the inner side wall of the opposite body 1112 and the tongue 1114.

The plug terminal 22 includes a mating portion 221 for mating with the conductive terminal 12 and a contact portion 222 electrically connected to the light strip 40. The abutting portion 221 is shaped like a hollow needle, and can be inserted into the first conductive portion 121, so that the abutting portion 221 and the first conductive portion 121 are electrically connected. The contact portion 222 includes a contact arm 2221 and an extension arm 2222 bent and extended from one end of the contact arm 2221. The extension 213 is at least partially covered by the contact arm 2221 and the extension arm 2222.

In brief, the plug terminal 22 of the present invention is formed by bending a metal plate, so that the bending size can be adjusted according to different cross sections of the lamp strip 40, and the manufacture is convenient; the abutting portion 221 is a round pin structure, and is conveniently inserted into the receiving cavity 1115 to electrically contact with the first conductive portion 121, the contact portion 222 is a square structure, and the contact arm 2221 and the extension arm 2222 tightly wrap the extension portion 213, so that the rigidity of the contact portion 222 can be effectively enhanced, the plug terminal 22 is prevented from being deformed, and the phenomena of incomplete contact, looseness and the like are avoided. Preferably, the two extension arms 2222 are symmetrically disposed at both sides of the contact arm 2221.

As shown in fig. 8 and 9, the plug terminal 22 further includes a connecting portion 223 connecting the abutting portion 221 and the contact arm 2221, and the connecting portion 223 extends obliquely, so that the plane of the contact arm 2221 is lower than the plane of the abutting portion 223, and thus the height of the contact portion 222 can be adjusted according to the bottom thickness of the light strip 40, so that the extension arm 2222 can support the lamp tube of the light strip 40, and the contact arm 2221 can tightly adhere to the circuit board 41 of the light strip 40 to make effective contact. Of course, if the tube of the light strip 40 is thick enough, the connecting portion 223 may be arranged to extend horizontally, and is not limited herein.

Further, the extension arm 2222 and the extension part 213 are both provided with a chamfer to facilitate the insertion of the extension arm 2222 and the extension part 213 into the lamp tube of the lamp strip 40. Specifically, a first guide surface 2131 extending obliquely is provided on a side of the extending portion 213 facing the lamp strip 40 to guide the insertion of the plug 20 into the lamp strip 40; in the thickness direction of the insulating body 21, the extension height of the extension arm 2222 is the same as the extension height of the extension part 213, a second guide surface 2223 extending obliquely is also provided on the side of the extension arm 2222 facing the lamp strip 40, and the first guide surface 2131 and the second guide surface 2223 are coplanar. With this arrangement, the plug 20 can be smoothly inserted into the lamp of the lamp strip 40 by the common guide of the first guide surface 2131 and the second guide surface 2223.

Further, the extension arm 2222 and the extension portion 213 are configured to be in interference fit with the lamp tube of the lamp strip 40, so that the contact arm 2221 can be tightly attached to the circuit board 41 of the lamp strip 40, thereby effectively avoiding the problem of poor contact. Preferably, the height of the extension arm 2222 and the extension 213 can be selected to be increased appropriately to achieve an interference fit between the plug 20 and the light strip 40, so as to improve the reliability of electrical contact and prevent the plug 20 from falling off during installation.

Furthermore, the insulating body 21 is further provided with a force receiving slot 2111, and after the plug 20 is inserted into the accommodating slot 1113, the force receiving slot 2111 is exposed in the fixing seat 112, so that when the plug is detached, a user can eject the plug 20 through the force receiving slot 2111.

Referring to fig. 10, in another embodiment of the plug 20, the insulating body 21 and the plug terminal 22 are integrally formed by injection molding, and the base 211 is further provided with a rib 2112 extending in a direction away from the socket 10. In the width direction of the insulating body 21, the extension arm 2222 is fit to the bone site 2112 and is at least partially located between the bone site 2112 and the extension part 213. So set up, can further strengthen the tight fit effect of plug 20 with the lamp area 40.

When the connector assembly 100 of the present invention is used, the plug 20 is first inserted into the light strip 40, then the plug 20 and the light strip 40 are integrally inserted into the socket 10, and finally, the end cap 113 is snap-connected to the fixing base 112.

In summary, compared with the prior art, in the connector assembly 100 of the present invention, the contact arm 2221 and the extension arm 2222 are utilized to cover the extension portion 213 to enhance the strength of the plug terminal 22, so that the plug terminal 22 is not deformed, and the phenomena of incomplete contact, looseness, etc. are avoided.

Although the present invention has been described in detail with reference to the preferred embodiments, it will be understood by those skilled in the art that various changes may be made and equivalents may be substituted for elements thereof without departing from the spirit and scope of the present invention.

Claims

1. A connector assembly, comprising:

a socket (10), the socket (10) comprising a housing (11) and conductive terminals (12); and

the plug (20) is used for being butted with the socket (10), and comprises an insulating body (21) and a plug terminal (22); the insulation body (21) comprises a base part (211) and an extension part (213) formed by extending from the base part (211) in a direction away from the socket (10); the plug terminal (22) comprises a butting part (221) butted with the conductive terminal (12) and a contact part (222) electrically connected with the lamp strip (40); the contact part (222) comprises a contact arm (2221) electrically connected with the lamp strip (40) and an extension arm (2222) bent and extended from one end of the contact arm (2221); the extension (213) is at least partially encapsulated by the contact arm (2221) and the extension arm (2222).

2. The connector assembly of claim 1, wherein: the number of the extension arms (2222) is two, and the two extension arms are symmetrically arranged at two sides of the contact arm (2221).

3. The connector assembly of claim 1, wherein: the side of the extension (213) facing the light strip (40) is provided with a first guide surface (2131) extending obliquely to guide the insertion of the plug (20) into the light strip (40).

4. The connector assembly of claim 3, wherein: in the thickness direction of the insulating body (21), the extension height of the extension arm (2222) is the same as the extension height of the extension part (213), a second guide surface (2223) extending obliquely is arranged on one side of the extension arm (2222) facing the lamp strip (40), and the first guide surface (2131) and the second guide surface (2223) are coplanar.

5. The connector assembly of claim 1, wherein: the plug terminal (22) further comprises a connecting portion (223) connecting the butting portion (221) and the contact arm (2221), and the connecting portion (223) extends obliquely, so that the plane of the contact arm (2221) is lower than the plane of the butting portion (223).

6. The connector assembly of claim 1, wherein: the socket is characterized in that the insulating body (21) and the plug terminal (22) are integrally formed in an injection molding mode, the base portion (211) is further provided with a bone position (2112) extending along the direction departing from the socket (10), and in the width direction of the insulating body (21), the extending arm (2222) is attached to the bone position (2112).

7. The connector assembly of claim 1, wherein: the extension arm (2222) and the extension (213) are configured to have an interference fit with the light strip (40).

8. The connector assembly of claim 1, wherein: and a stress groove (2111) is further formed in the insulating body (21), so that the plug (20) can be ejected out through the stress groove (2111) during disassembly.

9. The connector assembly of claim 8, wherein: the shell (11) comprises a base (111), a fixed seat (112) extending from the base (111) to the plug (20) and an end cover (113) matched with the fixed seat (112), wherein a containing groove (1113) is formed in the base (111), the plug (20) is inserted into the containing groove (1113), and the stress groove (2111) is exposed in the fixed seat (112).

10. The connector assembly of claim 9, wherein: the fixing seat (112) comprises a bottom wall (1121) and side walls (1122) arranged on two sides of the bottom wall (1121), a first buckling part (11221) is arranged on the outer wall surface of each side wall (1122), and a second buckling part (1131) matched with the first buckling part (11221) is correspondingly arranged on the end cover (113).

11. The connector assembly of claim 10, wherein: the outer wall surface of the side wall (1122) is also provided with a surrounding bone (11222).