Electric connector for lamp

Abstract

The utility model relates to the field of electric connectors, in particular to an electric connector used on a lamp, which comprises a base and two terminals, the base is cuboid, two ends of the base are respectively provided with a first blind hole and a second blind hole, and the bottoms of the two blind holes are respectively provided with a first through hole and a second through hole; each terminal comprises a welding part, a first connecting part, a lap joint part, a second connecting part and an elastic abutting part. The welding part and the lap joint part are arranged at the two ends of the first connecting part respectively and extend away from the direction, and the lap joint part is in lap joint with the top of the end of the base; the second connecting part and the elastic propping part are respectively embedded into the first blind hole and the second blind hole; the second connecting part extends downwards at the end, away from the first connecting part, of the lap joint part. The elastic abutting part is connected with the lower end of the second connecting part and obliquely extends towards the upper face of the center of the electric connector used on the lamp. At least one of the second connecting part and the elastic abutting part is connected with the longitudinal side wall of the first blind hole and the longitudinal side wall of the second blind hole in an abutting mode. The electric connector is simple in structure and low in cost.

Description

TECHNICAL FIELD

[0001] The utility model relates to the field of electric connector especially, a kind of electric connector for on lamp. BACKGROUND

[0002] With the development of electronic industry, as the important accessory product of electrical connection, electric connector is applied more and more widely, and it is particularly obvious to use on lamp, especially newly emerging electric light source LED lamp.Electric connector has the general performance requirement outside, must reach good contact, and has very strict requirement to quality and reliability.The patent with the authorization publication number CN209516115U, although it solves the problems of original LED lamp assembly operation troublesome, low production efficiency and unstable connection.But the structure is complex, and the cost is high.

[0003] Therefore, it is necessary to provide an electric connector for on lamp to solve the above technical problems. INVENTION CONTENTS

[0004] In order to overcome the problem of complex structure and high cost of existing electric connector, the utility model provides an electric connector for on lamp.

[0005] To solve the above technical problems, the utility model embodiment provides the following technical scheme:

[0006] An electric connector for on lamp, comprising a base and two terminals, the base is a cuboid and two ends are symmetrically provided with a first blind hole and a second blind hole, the bottom of the first blind hole and the second blind hole is respectively provided with a first through hole and a second through hole consistent with the hole direction of the two; the first through hole and the second through hole are symmetrically arranged along the longitudinal center axis; the terminal comprises a welding part, a first connecting part, a lap joint part, a second connecting part and an elastic supporting part; the welding part is at the lower end of the first connecting part and extends away from the lap joint part; two first connecting parts are respectively supported on the outer wall of the first end and the second end of the base; the lap joint part is at the end of the first connecting part away from the welding part and extends away from the welding part, and two lap joints are respectively on the top of the first end and the second end; two second connecting parts and elastic supporting parts are respectively embedded in the first blind hole and the second blind hole; the second connecting part extends downward at the end of the lap joint part away from the first connecting part; the elastic supporting part is connected with the lower end of the second connecting part and extends obliquely to the center of the electric connector for on lamp; at least one of the second connecting part and the elastic supporting part is respectively connected with the longitudinal side wall of the first blind hole and the second blind hole, and / or the inverted U-shaped structure formed by the first connecting part, the lap joint part and the second connecting part clamps the inner and outer walls of the first end and the second end.

[0007] As a further scheme of the utility model: the elastic resistance part includes first elastic resistance part and second elastic resistance part, the second elastic resistance part is in the upper end of the first elastic resistance part, and extends to the second blind hole.

[0008] As a further scheme of the utility model: further include second bending part, the second bending part is arc shape, is in the junction of the second connecting portion and elastic resistance part, increases the role of elastic force and prolongs the service life of the electric connector used on the lamp.

[0009] As a further scheme of the utility model: the second connecting portion includes second connecting portion main body and extension part;The extension part is in the both sides of the second connecting portion main body;First limit slot and second limit slot are respectively arranged on the two longitudinal side walls of the first blind hole close to the first end portion;Third limit slot and fourth limit slot are respectively arranged on the two longitudinal side walls of the second blind hole close to the second end portion;The recesses of the first limit slot, the second limit slot, the third limit slot and the fourth limit slot are consistent with the direction of the extension part, for limiting the extension part.

[0010] As a further scheme of the utility model: the both sides of the extension part are provided with first protrusions, and the protrusions are used to increase the friction force of the second connecting portion with the longitudinal side walls of the first blind hole and the second blind hole respectively.

[0011] As a further scheme of the utility model: the welding portion is vertically provided with a third through hole;The hole wall of the third through hole includes a plurality of hole wall main bodies and small hole walls;The small hole walls are arranged on the radial outer side of the hole wall main bodies and are connected with the hole wall main bodies, to increase the soldering surface and enhance the welding firmness.

[0012] As a further scheme of the utility model: the first end portion and the second end portion are respectively provided with first mounting grooves and second mounting grooves, and the first mounting grooves and the second mounting grooves are used to mount and limit the lap joint portion.

[0013] As a further scheme of the utility model: the bottom surfaces of the first blind hole and the second blind hole are respectively provided with first inclined surfaces and second inclined surfaces, and the first through hole and the second through hole respectively penetrate the first inclined surface and the second inclined surface.

[0014] The electric connector used on the lamp has the beneficial effects that:

[0015] Due to the adoption of the elastic resistance part extending from the lower direction to the oblique upper direction and having the elastic performance, compared with the traditional inverted M-shaped structure, only the middle eight characters of the four parts of the inverted M-shaped structure are used, the problem of complex structure is solved.The significant beneficial effect is that the structure is simple, and the cost is greatly reduced. BRIEF DESCRIPTION OF DRAWINGS

[0016] Figure 1 is the utility model for lamps and lanterns on the electrical connector structure perspective view;

[0017] Figure 2 is the utility model terminal structure perspective view;

[0018] Figure 3 is the utility model terminal front view;

[0019] Figure 4 is the utility model terminal plan view;

[0020] Figure 5 is the utility model A part enlarged view;

[0021] Figure 6 is the utility model terminal left view;

[0022] Figure 7 is the utility model base structure perspective view;

[0023] Figure 8 is the utility model base front view.

[0024] In the figure: 100-terminal, 110-welding portion, 111-third through hole, 1111-hole wall main body, 1112-connection wall, 1113-small hole wall, 120-first connecting portion, 130-lap joint portion, 140-first bending portion, 150-second connecting portion, 151-second connecting portion main body, 152-extension, 1521-first protrusion, 1522-second protrusion, 160-second bending portion, 170-elastic resistance portion, 171-first elastic resistance portion, 172-second elastic resistance portion, 200-base, 211-first side portion, 212-first end portion, 2121-first installation groove, 213-second side portion, 214-third side portion, 215-second end portion, 2151-second installation groove, 216-fourth side portion, 217-intermediate portion, 218-first inclined surface, 219-second inclined surface, 220-limiting portion, 231-first blind hole, 2311-first limiting groove, 2312-second limiting groove, 232-second blind hole, 2321-third limiting groove, 2322-fourth limiting groove, 241-first through hole, 242-second through hole. DETAILED DESCRIPTION

[0025] In order to make the utility model purposes, technical scheme and advantages more clearly, following combining with the drawings and examples, the utility model a kind of for lamps and lanterns on electrical connector is further detailedly explained.It should be understood that the specific examples described herein are only used to explain the utility model, and are not used to limit the utility model.

[0026] In the description of the utility model, unless otherwise specified, the meaning of "a plurality of" is two or more than two;The orientation or positional relationship indicated by the terms "center", "longitudinal", "transverse", "upper", "lower", "left", "right", "inner", "outer", "front end", "rear end", "head", "tail", "vertical", "horizontal", "top", "bottom", "inner", "outer" and the like is based on the orientation or positional relationship shown in the drawings, and is only for the convenience of describing the utility model and simplifying the description, and is not indicative or suggestive of the device or element indicated must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as limiting the utility model. In addition, the terms "first", "second", "third" and the like are only for the purpose of description, and cannot be understood as indicative or suggestive of relative importance.

[0027] In the description of the utility model, it is necessary to point out that, unless otherwise specified and limited, the terms "mounting", "connection", "connection" should be understood broadly, for example, it can be fixedly connected, can also be detachably connected, or integrally connected;Can be mechanically connected, can also be electrically connected;It can be directly connected, can also be indirectly connected through an intermediate medium, can be the communication between two elements. For ordinary skilled in the art, the specific meaning of the above terms in the utility model can be understood by specific circumstances.

[0028] As Figure 1 , Figure 2 , Figure 3 , Figure 4 , Figure 6 , Figure 7 , Figure 8As shown, an electrical connector for a lamp, comprising a base 200 and two terminals 100, the base 200 is a cuboid and two ends are symmetrically provided with a first blind hole 231 and a second blind hole 232, the bottom of the first blind hole 231 and the second blind hole 232 is respectively provided with a first through hole 241 and a second through hole 242 consistent with the hole direction of both; the first through hole 241 and the second through hole 242 are symmetrically arranged along the longitudinal center axis; the terminal 100 is integrally formed in the shape of Ω, comprising a welding portion 110, a first connecting portion 120, a lap portion 130, a first bending portion 140, a second connecting portion 150 and an elastic abutting portion 170; the welding portion 110 is at the lower end of the first connecting portion 120 and extends in the direction away from the lap portion 130; two first connecting portions 120 are respectively abutted on the outer wall of the first end portion 212 and the second end portion 215 of the base 200; the lap portion 130 is at the end of the first connecting portion 120 away from the welding portion 110 and extends in the direction away from the welding portion 110, and two lap portions are respectively lap on the top of the first end portion 212 and the second end portion 215, that is, the welding portion 110 and the lap portion 130 are respectively arranged at both ends of the first connecting portion 120 and extend away from the direction, and the three form a Z-shaped letter; two second connecting portions 150 and elastic abutting portions 170 are respectively embedded in the first blind hole 231 and the second blind hole 232; the second connecting portion 150 extends downward at the end of the lap portion 130 away from the first connecting portion 120, and the three form an inverted U shape; the elastic abutting portion 170 is connected with the lower end of the second connecting portion 150 and extends obliquely to the center of the electrical connector for the lamp; at least one of the second connecting portion 150 and the elastic abutting portion 170 is respectively connected with the longitudinal side wall of the first blind hole 231 and the second blind hole 232, and the inverted U-shaped first connecting portion 120, lap portion 130 and second connecting portion 150 respectively hold the inner and outer walls of the first end portion 212 and the second end portion 215; when the second connecting portion 150 and the elastic abutting portion 170 are connected with the longitudinal side wall of the first blind hole 231 and the second blind hole 232, the terminal 100 is in interference fit with the base 200.

[0029] Two elastic abutting portions 170 are above the first through hole 241 and the second through hole 242, the elastic abutting portion 170 has elastic properties and is connected with the conductor (not shown in the figure) penetrating the first through hole 241 and the second through hole 242. Due to the structure of the elastic abutting portion 170 extending from the bottom to the oblique upper direction, compared with the traditional inverted M-shaped structure, it is slightly equal to only using the middle eight characters of the inverted M-shaped four parts, which solves the problem of complex structure. The significant beneficial effect is that the structure is simple and the cost is greatly reduced.

[0030] AsFigure 1 、 Figure 2 、 Figure 3 、 Figure 4 As further schemes of the utility model, the elastic resisting part 170 includes a first elastic resisting part 171 and a second elastic resisting part 172, the second elastic resisting part 172 is at the upper end of the first elastic resisting part 171 and is bent to extend to the second blind hole 232.

[0031] The bending extension of the second elastic resisting part 172 to the second blind hole 232 is beneficial to better resisting connection with the conductor (not shown in the figure) penetrating the first through hole 241 and the second through hole 242.

[0032] As shown in Figure 2 、 Figure 3 As further schemes of the utility model, a second bending part 160 is further included, the second bending part 160 is arc-shaped and is at the connection between the second connecting part 150 and the elastic resisting part 170, which can prevent the elastic resisting part 170 from being broken in use and plays a role in increasing elasticity and prolonging the service life of the electric connector for lamps and lanterns.

[0033] As shown in Figure 2 、 Figure 4 、 Figure 6 、 Figure 7 、 Figure 8 As further schemes of the utility model, the second connecting part 150 includes a second connecting part main body 151 and an extension part 152, the extension part 152 is at both sides of the second connecting part main body 151, the top of the extension part 152 is provided with a second protrusion 1522, which plays a role in connection, the base 200 is in the shape of 8 when viewed from above and includes a first side part 211, a first end part 212, a second side part 213, a third side part 214, a second end part 215, a fourth side part 216, a middle part 217, a first blind hole 231 and a second blind hole 232, and a limiting part 220 at the lower end, the limiting part 220 plays a role in limiting and is beneficial to stabilizing the entire electric connector for lamps and lanterns, the first blind hole 231 and the second blind hole 232 each have two longitudinal side walls, the first blind hole 231 is provided with a first limiting groove 2311 and a second limiting groove 2312 at the first end part 212 respectively, the second blind hole 232 is provided with a third limiting groove 2321 and a fourth limiting groove 2322 at the second end part 215 respectively, the grooves of the first limiting groove 2311, the second limiting groove 2312, the third limiting groove 2321 and the fourth limiting groove 2322 are consistent with the direction of the extension part 152 and are used for limiting the extension part 152.

[0034] The first limiting groove 2311, the second limiting groove 2312, the third limiting groove 2321 and the fourth limiting groove 2322 are arranged, thereby facilitating the firmness of the assembled base 200 and the two terminals 100.

[0035] As shown in Figure 2 , Figure 3 , Figure 6 Further, the two side faces of the extension part 152 are provided with first protrusions 1521, and the first protrusions 1521 are used for increasing the friction force between the second connecting part 150 and the longitudinal side walls of the first blind hole 231 and the second blind hole 232.

[0036] The first protrusions 1521 are arranged, thereby increasing the interference fit between the terminal 100 and the base 200 and further improving the firmness of the assembled terminal 100 and base 200.

[0037] As shown in Figure 4 , Figure 5 Further, the welding part 110 is vertically provided with a third through hole 111, the third through hole 111 is used for connecting solder, the hole wall of the third through hole 111 comprises a plurality of hole wall main bodies 1111 and small hole walls 1113, and a transition wall 1112 is arranged between the hole wall main bodies 1111 and the small hole walls 1113, thereby connecting the hole wall main bodies 1111 and the small hole walls 1113 in a curve.

[0038] As shown in Figure 1 , Figure 7 , Figure 8 Further, the top of the first end part 212 and the second end part 215 is respectively provided with a first arranging groove 2121 and a second arranging groove 2151, and the first arranging groove 2121 and the second arranging groove 2151 are used for arranging and limiting the overlap part 130.

[0039] The first arranging groove 2121 and the second arranging groove 2151 are arranged, thereby further improving the firmness of the assembled terminal 100 and base 200.

[0040] As shown in Figure 8 Further, the bottom of the first blind hole 231 and the second blind hole 232 is respectively provided with a first inclined surface 218 and a second inclined surface 219, and the first through hole 241 and the second through hole 242 respectively penetrate the first inclined surface 218 and the second inclined surface 219.

[0041] The first inclined surface 218 and the second inclined surface 219 are arranged to increase the thickness of the base 200, to stabilize the conductor (not shown in the figure), and to enhance the contact stability between the elastic abutting part 170 and the conductor (not shown in the figure).

[0042] The above-mentioned utility model is only a preferred embodiment of the utility model, and does not limit the utility model in any form. Although the utility model has been disclosed as above with a preferred embodiment, it is not intended to limit the utility model. Any person skilled in the art can make some changes or modifications to the above-mentioned disclosed technical content to obtain equivalent embodiments with equivalent changes without departing from the technical solution of the utility model. Any simple modification, equivalent change and modification of the above-mentioned embodiments according to the technical essence of the utility model still belong to the scope of the technical solution of the utility model.

Claims

1. An electrical connector for a luminaire, comprising a base (200) and a two-piece terminal (100), the base (200) being a cuboid and having a first blind hole (231) and a second blind hole (232) axially symmetrically arranged at two ends respectively, characterized in that: The first blind hole (231) and the second blind hole (232) are respectively provided with a first through hole (241) and a second through hole (242) consistent with the hole direction of the two; the first through hole (241) and the second through hole (242) are symmetrically arranged with respect to the longitudinal center axis; the terminal (100) comprises a welding portion (110), a first connecting portion (120), a lap portion (130), a second connecting portion (150) and an elastic abutting portion (170); the welding portion (110) is at the lower end of the first connecting portion (120) and extends in a direction away from the lap portion (130); the two first connecting portions (120) are respectively abutted on the outer walls of the first end portion (212) and the second end portion (215) at both ends of the base (200); the lap portion (130) is at one end of the first connecting portion (120) away from the welding portion (110) and extends in a direction away from the welding portion (110), and the two are respectively lap-jointed on the top of the first end portion (212) and the second end portion (215); the two second connecting portions (150) and elastic abutting portions (170) are respectively embedded in the first blind hole (231) and the second blind hole (232); the second connecting portion (150) extends downward at one end of the lap portion (130) away from the first connecting portion (120); the elastic abutting portion (170) is connected with the lower end of the second connecting portion (150) and extends obliquely to the center of the electric connector on the lamp; at least one of the second connecting portion (150) and the elastic abutting portion (170) is respectively abutted and connected with the longitudinal side wall of the first blind hole (231) and the second blind hole (232), and / or the inverted U-shaped structure formed by the first connecting portion (120), the lap portion (130) and the second connecting portion (150) respectively clamps the inner and outer walls of the first end portion (212) and the second end portion (215).

2. An electrical connector for use on a light fixture as defined in claim 1, wherein: The elastic abutting portion (170) comprises a first elastic abutting portion (171) and a second elastic abutting portion (172), and the second elastic abutting portion (172) is at the upper end of the first elastic abutting portion (171) and extends in a direction away from the second blind hole (232).

3. An electrical connector for use on a light fixture as defined in claim 2, wherein: It also comprises a second bending portion (160), which is arc-shaped and located at the connection between the second connecting portion (150) and the elastic abutting portion (170), and serves to increase the elastic force and prolong the service life of the electric connector on the lamp.

4. An electrical connector for use in a light fixture as defined in claim 1, wherein: The second connecting part (150) comprises a second connecting part body (151) and an extension part (152); the extension part (152) is on both sides of the second connecting part body (151); first and second limiting grooves (2311) and (2312) are respectively arranged on two longitudinal side walls of the first blind hole (231) near the first end (212); third and fourth limiting grooves (2321) and (2322) are respectively arranged on two longitudinal side walls of the second blind hole (232) near the second end (215); the grooves of the first, second, third and fourth limiting grooves (2311), (2312), (2321) and (2322) are consistent with the direction of the extension part (152), and are used for limiting the extension part (152).

5. An electrical connector for use on a light fixture as defined in claim 4, wherein: First protrusions (1521) are arranged on both sides of the extension part (152), and the first protrusions (1521) are used for increasing the friction between the second connecting part (150) and the longitudinal side walls of the first and second blind holes (231) and (232) respectively.

6. An electrical connector for use on a light fixture as defined in claim 5, wherein: The welding part (110) is vertically provided with a third through hole (111); the hole wall of the third through hole (111) comprises a plurality of hole wall bodies (1111) and small hole walls (1113); the small hole walls (1113) are arranged on the radial outer side of the hole wall bodies (1111) and are connected with the hole wall bodies (1111), and have the function of increasing the soldering surface and enhancing the welding firmness.

7. An electrical connector for use on a luminaire as claimed in any one of claims 2 to 6, characterized in that: The first and second ends (212) and (215) are respectively provided with first and second arranging grooves (2121) and (2151), and the first and second arranging grooves (2121) and (2151) have the function of arranging and limiting the lap joint part (130).

8. An electrical connector for use on a light fixture as defined in claim 7, wherein: The first and second blind holes (231) and (232) are respectively provided with first and second inclined surfaces (218) and (219), and the first and second through holes (241) and (242) respectively penetrate the first and second inclined surfaces (218) and (219).

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