CN216872332U - A kind of interface unit - Google Patents

A kind of interface unit Download PDF

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Publication number
CN216872332U
CN216872332U CN202220156804.0U CN202220156804U CN216872332U CN 216872332 U CN216872332 U CN 216872332U CN 202220156804 U CN202220156804 U CN 202220156804U CN 216872332 U CN216872332 U CN 216872332U
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Prior art keywords
circuit board
cover plate
protective cover
connector
protective shell
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CN202220156804.0U
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Chinese (zh)
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李宝建
周玉龙
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Guangdong Diaic Optoelectronic Technology Co ltd
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Guangdong Diaic Optoelectronic Technology Co ltd
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Abstract

The utility model relates to the technical field of connectors, in particular to a connector which comprises a circuit board, a protective cover plate and a protective shell, wherein an electronic element and a wiring terminal are installed on the upper surface of the circuit board, a first through hole for the wiring terminal to penetrate through the upper surface of the protective cover plate is formed in the protective cover plate, a protruding positioning column is arranged at the bottom of the protective cover plate, a second through hole for the positioning column to penetrate through the lower surface of the circuit board is formed in the circuit board, the protective cover plate covers the upper surface of the circuit board, is spliced with the upper surface of the circuit board and covers the electronic element, the protective shell covers the peripheries of the circuit board and the protective cover plate in an injection molding mode, and the wiring terminal extends out of the upper surface of the protective shell. The connector can be used for manufacturing the integrally formed protective shell by adopting an injection molding process, has simple process, high efficiency and low cost, can effectively avoid the damage of high temperature generated in the injection molding process to electronic elements on a circuit board, is convenient to overhaul, and can recycle the electronic elements on the circuit board.

Description

A kind of interface unit
Technical Field
The utility model relates to the technical field of connectors, in particular to a connector.
Background
Electrical equipment (such as an LED lamp) is usually connected to a connector in an electrical connection manner during installation, the connector can reduce installation time of the LED lamp and improve installation efficiency, and for the LED lamp used in an outdoor or humid environment, the connector needs to be subjected to waterproof insulation treatment, and a protective shell is generally wrapped outside a circuit board to complete manufacture of the connector. The connector is generally provided with a circuit board, electronic elements (chips) are generally arranged on the circuit board, and the electronic elements are damaged due to high-temperature injection molding, so that the conventional connector is generally characterized in that the circuit board is firstly placed in a prefabricated mold shell during processing, then normal-temperature glue filling is carried out in the mold shell, and the molded circuit board and the mold shell form a protective shell together after glue filling, so that the processing mode has the advantages of higher material cost and manufacturing cost, complex process and lower efficiency; in addition, the connector with the structure is not beneficial to later maintenance because the glue pouring coating is coated outside the whole circuit board and then molded, once the connector breaks down, the whole connector can only be scrapped, and electronic elements with higher values on the circuit board cannot be recycled, so that resource waste is caused. Therefore, there is a need for improvements in the art to avoid the disadvantages of the prior art.
SUMMERY OF THE UTILITY MODEL
In order to overcome the defects and shortcomings in the prior art, the utility model aims to provide a connector which can be used for manufacturing an integrally formed insulating waterproof protective shell by adopting an injection molding process, has the advantages of simple processing process, high efficiency and low cost, can effectively prevent electronic elements on a circuit board from being damaged by high temperature generated in the injection molding process, is convenient to maintain and can recycle the electronic elements on the circuit board.
The utility model is realized by the following technical scheme:
the utility model provides a connector, includes circuit board, protective cover plate and protecting crust, and the last surface mounting of circuit board has electronic component and binding post, and the circuit board still is connected with the power cord, is equipped with the first through-hole that supplies the binding post to wear out the protective cover plate upper surface on the protective cover plate, and protective cover plate's bottom is equipped with convex reference column, is equipped with the second through-hole that supplies the reference column to wear out the circuit board lower surface on the circuit board, and protective cover plate lid is pegged graft at the upper surface of circuit board and is in the same place and cover electronic component with it, the protecting crust passes through injection moulding's mode cladding at circuit board and protective cover plate periphery and cladding to the insulating lateral surface of power cord, binding post follows protective cover plate's upper surface stretches out.
As a preferred technical scheme, a positioning cap matched with the positioning column is arranged below the circuit board, the positioning cap is sleeved at the lower end of the positioning column, and the root part of the positioning cap is abutted against the circuit board.
As a preferable technical solution, the electronic component protrudes from the surface of the circuit board, and a cavity for accommodating the electronic component is formed in the bottom surface of the protective cover plate.
As the preferred technical scheme, the upside surface of protective housing is equipped with waterproof cushion, binding post passes waterproof cushion, be equipped with the confession on the waterproof cushion the third through-hole that binding post wore out.
As a preferred technical scheme, a protective film layer is arranged on the surface of the circuit board.
As the preferred technical scheme, be equipped with at least one screw mounting hole on the protective housing, the screw mounting hole is integrated into one piece when the protective housing injection moulding, the protective housing includes two layers, is successively twice inlayer protective housing and the outer protective housing that forms through the injection moulding mode respectively, and wherein inlayer protective housing cladding is in the circuit board and the protective cover outside, and outer protective housing cladding is in the inlayer protective housing outside and combine together with it.
As the preferred technical scheme, the upside surface of protecting crust is equipped with the encapsulating recess, binding post passes the encapsulating recess, the screw mounting hole intercommunication the encapsulating recess.
Compared with the prior art, the connector has the following advantages: the protective cover plate is covered on the circuit board, and the protective cover plate and the circuit board are spliced together, so that when in injection molding processing, the wiring terminal and the positioning column can be respectively abutted against two ends of the mold cavity to realize overhead positioning of the protective cover plate and the circuit board, and then the protective shell covering the outer sides of the circuit board and the protective cover plate is formed in an injection molding integrated forming mode; moreover, when the electronic element of the connector breaks down, the protective shell can be cut open, the protective cover plate can be lifted, then the circuit board can be overhauled, the electronic element on the circuit board can be recycled, and waste is avoided.
The conception, specific structure and effects of the present invention will be further described in conjunction with the accompanying drawings to fully understand the objects, features and effects of the present invention.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.
FIG. 1 is a schematic view of the structure of a connector in embodiment 1;
FIG. 2 is a schematic view of the exploded structure of FIG. 1;
FIG. 3 is a schematic structural view of a shield cover plate of the connector in embodiment 1;
fig. 4 is a schematic view of the structure of the connector in embodiment 2.
In the figure: the circuit board 1, electronic component 11, binding post 12, second through-hole 13, protective cover 2, first through-hole 21, reference column 22, locating cap 23, cavity 24, protecting crust 3, screw mounting hole 31, encapsulating recess 32, power cord 4, waterproof rubber mat 5, third through-hole 51.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
It will be understood that when an element is referred to as being "connected" to another element, it can be directly connected to the other element or be indirectly connected to the other element through intervening elements. Furthermore, the terms "upper", "lower", and the like as used herein are for illustrative purposes only and do not represent the only embodiments.
Example 1:
as shown in fig. 1-3, the connector of the present invention comprises a circuit board 1, a protective cover plate 2 and a protective housing 3, wherein an electronic component 11 and a wiring terminal 12 are mounted on the upper surface of the circuit board 1, two ends of the circuit board 1 are further connected with a power line 4, the protective cover plate 2 is provided with a first through hole 21 for the wiring terminal 12 to penetrate through the upper surface of the protective cover plate 2, the bottom of the protective cover plate 2 is provided with a protruding positioning column 22, the circuit board 1 is provided with a second through hole 13 for the positioning column 22 to penetrate through the lower surface of the circuit board 1, the protective cover plate 2 covers the upper surface of the circuit board 1 and is inserted together with the circuit board 1 and covers the electronic component 11, protective housing 3 passes through injection moulding's mode cladding at circuit board 1 and 2 peripheries of protective cover and cladding to binding post 12 and power cord 4's insulating crust lateral surface, binding post 12 follows protective housing 3's upper surface stretches out.
The connector covers the electronic element 11 by covering the protective cover plate 2 on the circuit board 1, and enables the protective cover plate 2 and the circuit board 1 to be spliced together, so that during injection molding, the wiring terminal 12 and the positioning column 22 can be respectively abutted against two ends of a mold cavity to realize overhead positioning of the protective cover plate 2 and the circuit board 1, and then the protective shell 3 coated on the outer sides of the circuit board 1 and the protective cover plate 2 is formed in an injection molding integrated forming mode, because the protective cover plate 2 covers and protects the electronic element 11, the electronic element 11 cannot be influenced by injection molding high temperature, and thus the processing mode of normal-temperature glue pouring in the prior art can be replaced, the processing technology is simple, the efficiency is high, and the cost is low; moreover, when the electronic component 11 of the connector fails, the protective shell 3 can be cut open, the protective cover plate 2 can be lifted, then the circuit board 1 can be overhauled, and the electronic component 11 on the circuit board 1 can be recycled, so that waste is avoided.
A positioning cap 23 matched with the positioning column 22 is arranged below the circuit board 1, the positioning cap 23 is sleeved at the lower end of the positioning column 22, and the root part of the positioning cap 23 is abutted against the circuit board 1. Through setting up the locating cap 23, can make the connection between protective cover plate 2 and the circuit board 1 more firm, can utilize the locating cap 23 to replace the positioning seat to fix a position with cooperation binding post 12 both ends that support the mould chamber in addition, because the root of locating cap 23 supports on the circuit board 1, can effectively avoid supporting the mould chamber when fixing a position protective cover plate 2 and circuit board 1 pine take off and lead to the thermoplastic material to get into between protective cover plate 2 and the circuit board 1 and cause the damage to electronic component 11.
Electronic component 11 protrusion in the surface of circuit board 1, the bottom surface of protective cover plate 2 is equipped with and is used for holding electronic component 11's cavity 24, and this design not only can protect electronic component 11 better, can also make protective cover plate 2 and circuit board 1 surface laminate more, prevents to mould plastics in-process thermoplasticity material and get into between protective cover plate 2 and the circuit board 1 and cause the damage to electronic component 11.
The upside surface of protecting crust 3 is equipped with waterproof cushion 5, binding post 12 passes waterproof cushion 5, be equipped with the confession on waterproof cushion 5 the third through hole 51 that binding post 12 wore out. When connector and lamp body were installed, the lamp body back was hugged closely to the connector upper surface, and binding post 12 on the connector passed through-hole on the lamp body and carries out the electricity with the inside lamp plate of lamp body and be connected, and waterproof cushion 5 is located between connector and the lamp body back, and connector and lamp body cooperation compress tightly waterproof cushion 5 to can realize sealing the through-hole of lamp body.
The surface of the circuit board 1 is provided with a protection film layer, so that the protection of the circuit board 1 can be further improved.
The manufacturing method of the connector comprises the following steps:
(1) arranging the circuit board 1 and the protective cover plate 2, covering the protective cover plate 2 on the upper surface of the circuit board 1, splicing the circuit board 1 with the protective cover plate 2 together, covering the electronic element 11, enabling the wiring terminal 12 to penetrate out of the upper surface of the protective cover plate 2 through the first through hole 21, and enabling the positioning column 22 to penetrate out of the lower surface of the circuit board 1 through the second through hole 13 to form a primary assembly part;
(2) the preliminary assembly part is placed in a mold cavity of injection molding equipment, the wiring terminal 12 and the positioning column 22 are respectively abutted against two ends of the mold cavity so as to realize overhead positioning of the preliminary assembly part, then injection molding is carried out on the wiring terminal and the positioning column, and the connector is formed after injection molding.
Example 2:
as shown in fig. 4, the following modifications are made on the basis of embodiment 1:
be equipped with two screw mounting holes 31 on protecting crust 3, screw mounting hole 31 is integrated into one piece when protecting crust 3 injection moulding, protecting crust 3 includes two layers, is successively twice inlayer protecting crust and the outer protecting crust that forms through the injection moulding mode respectively, and wherein inlayer protecting crust cladding is in circuit board 1 and the 2 outsides of protective cover board, outer protecting crust cladding is in the inlayer protecting crust outside and combine with it to form a holistic protecting crust 3 together.
The upside surface of protecting crust 3 is equipped with encapsulating recess 32, binding post 12 passes encapsulating recess 32, screw mounting hole 31 intercommunication encapsulating recess 32.
The manufacturing method of the connector comprises the following steps:
(1) arranging the circuit board 1 and the protective cover plate 2, covering the protective cover plate 2 on the upper surface of the circuit board 1, splicing the circuit board 1 with the protective cover plate 2 together, covering the electronic element 11, enabling the wiring terminal 12 to penetrate out of the upper surface of the protective cover plate 2 through the first through hole 21, and enabling the positioning column 22 to penetrate out of the lower surface of the circuit board 1 through the second through hole 13 to form a primary assembly part;
(2) placing the preliminary assembly part in a first mold cavity of injection molding equipment, enabling the wiring terminal 12 and the positioning column 22 to respectively abut against two ends of the first mold cavity to achieve aerial positioning of the preliminary assembly part, additionally arranging at least one first columnar part, abutting the electric wire through the first columnar part and respectively abutting against two ends of the first mold cavity, then performing first injection molding in the first mold cavity, forming an inner-layer protective shell on the outer sides of the circuit board 1 and the protective cover plate 2 after the first injection molding, wherein a first through hole 21 is formed at the position of the first columnar part;
(3) the product after the first injection molding is placed in a second mold cavity of the injection molding equipment, at least one second cylindrical member and a plate-shaped member with a through hole formed in the middle are additionally arranged, each second cylindrical member is placed at the central axial position of each first through hole 21, the two ends of each second cylindrical member are respectively abutted against the two ends of the corresponding second mold cavity, the plate-shaped member is placed at the position corresponding to the upper side surface of the protective shell 3, the second mold cavity is larger than the first mold cavity, the diameter of each second cylindrical member is smaller than that of each first cylindrical member, then the second injection molding is carried out in the second mold cavity, an outer protective shell is formed outside the inner protective shell after the second injection molding, namely the connector is formed, the position where the second cylindrical member is located forms the screw mounting hole 31, and the position where the plate-shaped member is located forms the glue pouring groove 32.
The connector among the prior art, owing to do not reserve the installation hole site when the encapsulating shaping, the circuit board 1 is hindered to the difficult convenience and easy in the later stage of punching, therefore the mounting means is more single, utilizes the buckle joint of matched with on the lamp body section bar of size matching usually, then is difficult to the installation to the unmatched lamp body section bar of size. The connector in this patent embodiment 2, mode through twice injection moulding, when having guaranteed that protecting sheathing 3 is to circuit board 1, protective cover plate 2 and power cord 4 insulating skin side carry out full parcel cover, an organic whole screw mounting hole 31 that forms can also mould plastics, thereby it is nimble various to make this connector mounting means, both can adopt the mode of buckle joint to install on the lamp body section bar that the size matches, also can adopt the mode of mounting screw to install on the lamp body section bar that the size is not too matched, application scope is wide, the commonality is good. Through setting up encapsulating recess 32 at protecting crust 3 upper surfaces, when installing connector and lamp body, the lamp body back is hugged closely to the encapsulating recess 32 of connector upper surface, binding post 12 on the connector passes through the through-hole on the lamp body and is connected with the inside lamp plate of lamp body electricity, then carry out the encapsulating through the screw mounting hole of connector lower surface, the encapsulating flows into encapsulating recess 32 through the screw mounting hole, thereby the realization is sealed the through-hole of lamp body, then pass screw mounting hole through the screw and with connector fixed connection on the lamp body.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the utility model, and any modifications, equivalents, improvements and the like that fall within the spirit and principle of the present invention are intended to be included within the scope of the present invention.

Claims (7)

1. A connector, characterized by: including circuit board, protective cover plate and protecting crust, the last surface mounting of circuit board has electronic component and binding post, and the circuit board still is connected with the power cord, is equipped with the first through-hole that supplies binding post to wear out the protective cover plate upper surface on the protective cover plate, and protective cover plate's bottom is equipped with convex reference column, is equipped with the second through-hole that supplies the reference column to wear out the circuit board lower surface on the circuit board, and protective cover plate lid is pegged graft together and covers electronic component at the upper surface of circuit board and with it, the protecting crust passes through injection moulding's mode cladding at circuit board and protective cover plate periphery and cladding to the insulating lateral surface of power cord, binding post follows the upper surface of protecting crust stretches out.
2. The connector of claim 1, wherein: and a positioning cap matched with the positioning column is arranged below the circuit board, the positioning cap is sleeved at the lower end of the positioning column, and the root part of the positioning cap is abutted against the circuit board.
3. The connector of claim 1, wherein: the electronic element protrudes out of the surface of the circuit board, and a concave cavity for containing the electronic element is formed in the bottom surface of the protective cover plate.
4. The connector of claim 1, wherein: the upside surface of protective housing is equipped with waterproof cushion, binding post passes waterproof cushion, be equipped with the confession on the waterproof cushion the third through-hole that binding post wore out.
5. The connector of claim 1, wherein: and a protective film layer is arranged on the surface of the circuit board.
6. The connector of claim 1, wherein: the protective shell is provided with at least one screw mounting hole, the screw mounting hole is integrally formed when the protective shell is subjected to injection molding, the protective shell comprises two layers, namely an inner protective shell and an outer protective shell which are formed in an injection molding mode twice in sequence, the inner protective shell is coated on the outer sides of the circuit board and the protective cover plate, and the outer protective shell is coated on the outer side of the inner protective shell and combined with the inner protective shell.
7. The connector of claim 6, wherein: the upside surface of protecting crust is equipped with the encapsulating recess, binding post passes the encapsulating recess, the screw mounting hole intercommunication the encapsulating recess.
CN202220156804.0U 2021-11-12 2022-01-20 A kind of interface unit Active CN216872332U (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CN202122770261X 2021-11-12
CN202122770261 2021-11-12

Publications (1)

Publication Number Publication Date
CN216872332U true CN216872332U (en) 2022-07-01

Family

ID=82153529

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202220156804.0U Active CN216872332U (en) 2021-11-12 2022-01-20 A kind of interface unit

Country Status (1)

Country Link
CN (1) CN216872332U (en)

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