CN215869855U

CN215869855U - Self-locking type bus connector

Info

Publication number: CN215869855U
Application number: CN202121904563.5U
Authority: CN
Inventors: 唐念
Original assignee: Chyao Shiunn Electronic Shanghai Co ltd
Current assignee: Chyao Shiunn Electronic Shanghai Co ltd
Priority date: 2021-08-13
Filing date: 2021-08-13
Publication date: 2022-02-18
Anticipated expiration: 2031-08-13

Abstract

The utility model relates to a self-locking flat cable connector which is used for holding a flexible flat cable on a PCB to form an electric contact and comprises a shell, a cover body, a plurality of terminals and a pair of elastic self-locking lug buckles, wherein the cover body is a pressing type metal elastic sheet, the top surface of the shell is provided with an inclined groove, the cover body covers the inclined groove, an elastic space is formed between the bottom surface of the cover body and the inclined surface of the inclined groove, a pressing strip is arranged on the cover body positioned above the elastic space, two sides of the cover body, close to the pressing strip, are respectively provided with a locking part downwards, and the locking parts are inserted into the shell and are used for being buckled on clamping grooves at two sides of the flexible flat cable to realize the self-locking of the flexible flat cable. The beneficial effects are that: the utility model has the advantages of simple structure, convenient and fast assembly, stable and reliable performance and reliable connection, and is easy to insert or pull out the flexible flat cable.

Description

Self-locking type bus connector

Technical Field

The utility model belongs to the technical field of electric connectors, and particularly relates to a high-frequency self-locking flat cable connector for holding a flexible flat cable to form an electric contact.

Background

With the development of high technology, the high-frequency connector is widely applied to various fields such as microwave communication engineering, military weapons, aerospace systems and the like, and has the advantages of convenience in connection, easiness in maintenance and the like. With the continuous progress of science and technology and the high-speed development of the electronic industry, the communication industry and the information industry, the electric connector tends to be developed in the aspects of miniaturization, quick plugging and unplugging, array arrangement, reliable connection and the like.

The flexible flat cable is suitable for being used as a cable for data transmission between a moving part and a main board, between a PCB (printed circuit board) and the PCB and in miniaturized electrical equipment, the number and the distance of the conducting wires can be randomly selected, so that the connection is more convenient, the size of an electronic product is greatly reduced, the production cost is reduced, and the production efficiency is improved.

The flexible flat cable is electrically connected with the electrical wiring of the PCB board and the like through the electrical connector, in order to ensure that the electrical connector can be stably contacted with the flexible flat cable, various connection modes are gradually developed, such as an automatic bolt-locking mode, so that the connector can be easily connected with the flexible flat cable without falling off, and the action can be automatically bolt-locked in the process of inserting the flexible flat cable into the connector so as to keep the connection of the connector and the flexible flat cable; however, in the connector with an automatic latch function in the prior art, due to the structural design, a two-side push type structure is usually formed by matching an insulating cover body and a housing, so that a self-locking piece of the connector is elastically deformed to unlock the self-locking function, and thus the flexible flat cable is inserted or pulled out. This kind of mode leads to the flexible flat cable to become flexible easily to because connector itself is less, when operating personnel removed the both sides of pressing the connector with thumb and forefinger finger, can make operating personnel operate inconveniently undoubtedly, press inaccurately, both time-wasting, also damage the connector because of the misoperation easily.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve the technical problem of providing a high-frequency self-locking flat cable connector which is simple in structure and convenient for quick plug-in and pull-out of a flexible flat cable.

The technical scheme is that the self-locking flat cable connector is used for holding a flexible flat cable on a PCB to form an electric contact and comprises a shell, a cover body, a plurality of terminals and a pair of elastic self-locking lug buckles, wherein an accommodating space which is through from front to back is formed in the shell and can be used for inserting the flexible flat cable, a row of terminal grooves are formed in the accommodating space, the terminals are arranged in the terminal grooves, the front ends of the terminals are in contact with the inserted flexible flat cable to conduct high-frequency current, the tail ends of the terminals are welded on the PCB, two elastic lug buckle grooves are respectively formed in two ends of the bottom of the shell, the elastic self-locking lug buckles are inserted in the elastic lug buckle grooves, the upper ends of the elastic self-locking lug buckles extend into the accommodating space and are used for fixing the shell on the PCB and fastening the flexible flat cable, the self-locking flat cable connector is characterized in that the cover body is a pressing type metal elastic sheet, an inclined groove is formed in the top surface of the shell, the lid is established on the inclined plane recess, the bottom surface of lid with an elasticity space has been formed between the inclined plane of inclined plane recess, is lieing in be equipped with on the lid of the top in elasticity space and press the layering the both sides of lid are close to press strip department and be provided with a hasp portion downwards respectively lie in on the casing the both sides of inclined plane recess respectively are equipped with a hasp portion insertion groove, hasp portion passes through hasp portion insertion groove inserts in the casing for the lock joint is in realize soft winding displacement auto-lock on the draw-in groove of the both sides of soft winding displacement.

As a further improvement, two ends of the rear side of the cover body are respectively provided with a fixing part in a downward bending manner, the bottom end of the fixing part is provided with a welding leg for welding the PCB to fix the shell, the fixing part and the rear side edge of the cover body are respectively provided with an inserting part, the shell is provided with inserting ports corresponding to all the inserting parts, the inserting parts are inserted into the shell through the inserting ports to fix the cover body, the front side of the cover body is provided with a curled edge structure, the pressing strip is arranged on the curled edge structure, and the fixing part, the inserting part and the locking part are all integrated with the cover body.

As a further improvement, the locking part is in a U-shaped hook shape, and the hook surface of the locking part is a guiding inclined surface.

As a further improvement, an adsorption platform is arranged in the middle of the top surface of the shell, and an adsorption platform avoiding opening is arranged in the middle of the cover body.

As a further improvement, the elastic ear clip comprises an insertion part, a welding part and an elastic contact part, the insertion part is inserted into the housing, the welding part is formed by two bending at one side of the insertion part and is welded on the PCB, the side edge of the insertion part is bent upwards by 50-53 degrees to form an inclined elastic contact part, the front end of the elastic contact part is bent downwards by 70-75 degrees, and an elastic contact point is formed at the bending part and is used for contacting and conducting high-frequency current with the flexible flat cable.

Advantageous effects

The beneficial effects are that: the utility model has the advantages of simple structure, convenient assembly, stable and reliable electric connection performance and reliable connection, particularly, the flexible flat cable can be easily inserted or pulled out by a finger pressing mode through the elastic space formed by the concave design of the top of the shell body due to the structural design that the lock catch part and the pressing type metal elastic sheet are integrated, the steps are simple, the operation is easy, the flexible flat cable has larger holding force, and the service life of the product is prolonged.

Drawings

The utility model is further explained with the embodiment in the following.

FIG. 1 is an exploded view of the present invention;

FIG. 2 is a structural schematic of the housing of the present invention;

FIG. 3 is a front view of the housing of the present invention;

FIG. 4 is a schematic structural diagram of a cover according to the present invention;

FIG. 5 is a side view of the cover of the present invention;

FIG. 6 is a schematic illustration of the insertion of the elastic self-locking ear clip of the present invention;

fig. 7 is a schematic structural view of the elastic self-locking ear clip of the present invention.

Fig. 8 is a schematic view of the usage state of the present invention.

Reference numbers in the figures:

1. case 101 and terminal groove

102. Elastic lug buckle groove 103 and inclined plane groove

104. Adsorption platform 105 and locking part insertion groove

106. Interface 2, lid

201. Pressing strip 202 and locking part

2021. Guiding inclined surface 203 and fixing part

204. Solder leg 205, plug part

206. Hemming structure 207 and adsorption platform avoiding opening

3. Terminal 4, elasticity auto-lock ear is buckled

401. Insertion portion 402 and welded portion

403. Elastic contact portion 404, elastic contact point

a. PCB board b, soft winding displacement

c. Elastic space

Detailed Description

So that the manner in which the above recited features of the present invention can be understood and readily understood, a more particular description of the utility model, briefly summarized above, may be had by reference to embodiments, some of which are illustrated in the appended drawings, wherein:

as shown in fig. 1-8, a self-locking flat cable connector for holding a flexible flat cable b on a PCB a to form an electrical contact, includes a housing 1, a cover 2, a plurality of terminals 3, and a pair of elastic self-locking ear buckles 4, wherein the housing 1 has a front and back through receiving space for the flexible flat cable b to be inserted into, the receiving space is provided with a row of terminal slots 101, the terminals 3 are disposed in the terminal slots 101, the front ends of the terminals 3 contact the inserted flexible flat cable b to conduct a high-frequency current, the ends thereof are welded to the PCB a, two ends of the bottom of the housing 1 are respectively provided with an elastic ear buckle slot 102, the elastic self-locking ear buckles 4 are inserted into the elastic ear buckle slots 102, and the upper portions thereof extend into the receiving space, the bottom of the elastic self-locking ear buckles 4 is used for fixing the housing 1 on the PCB a, the upper portions of the elastic self-locking ear buckles 4 are used for fastening the flexible flat cable b, the cover 2 is a pressing type metal spring plate, the top surface of the shell 1 is provided with an inclined plane groove 103, the cover body 2 is covered on the inclined plane groove 103, an elastic space c is formed between the bottom surface of the cover body 2 and the inclined plane of the inclined plane groove 103, the cover body 2 positioned above the elastic space is provided with a pressing strip 201, two sides of the cover body 2 close to the pressing strip 201 are respectively provided with a locking part 202 downwards, two sides of the inclined plane groove on the shell 1 are respectively provided with a locking part insertion groove 105, and the locking parts 202 are inserted into the shell 1 through the locking part insertion grooves 105 and are used for being buckled on the clamping grooves at two sides of the flexible flat cable b to realize the self-locking of the flexible flat cable b.

The two ends of the rear side of the cover body 2 are respectively provided with a fixing part 203 by bending downwards, the bottom end of the fixing part 203 is provided with a welding leg 204 for welding the housing 1 on the PCB a, the fixing part 203 and the rear side edge of the cover body are respectively provided with an inserting part 205, the housing 1 is provided with an inserting port 106 corresponding to all the inserting parts 205, the inserting part 205 is inserted into the housing 1 through the inserting port 106 to fix the cover body 2, the front side of the cover body 2 is provided with a curling structure 206, the pressing strip 201 is arranged on the curling structure 206, and the locking part 202, the fixing part 203 and the inserting part 205 are all integrated with the cover body.

The locking part 202 is U-shaped hook, and the hook surface is a guiding inclined surface 2021, so as to avoid damaging the flexible flat cable and facilitate quick fastening into the clamping grooves on two sides of the flexible flat cable.

Since the connector is small in size, in order to facilitate installation, the top surface of the housing 1 is provided with an adsorption platform 104 at the middle, and the cover 2 is provided with an adsorption platform escape opening 207 at the middle.

The elastic ear clip 4 comprises an insertion part 401, a welding part 402 and an elastic contact part 403, wherein the insertion part 401 is used for being inserted into the shell 1, the welding part 402 is formed by two bending at one side of the insertion part 401 and is welded on the PCB, the inclined elastic contact part 403 is formed by bending upwards 50-53 degrees at the side edge of the insertion part 401, the front end of the elastic contact part 403 is bent downwards 70-75 degrees, and an elastic contact point 404 is formed at the bending part and is used for contacting with the flexible flat cable b to conduct high-frequency current.

As shown in fig. 8, the arrow direction is the inserting and pulling direction of the flexible flat cable b, the dotted line is the state when pressing, when the pressing strip 201 on the cover body 2 is pressed, because the locking part 202 is integrated with the cover body 2, the locking part 202 moves downwards, the flexible flat cable b can freely enter the accommodating space in the housing, when the flexible flat cable b is in place, the cover body 2 is released, the locking part 202 moves upwards, and the flexible flat cable b is buckled into the clamping groove to realize self-locking.

In summary, the present invention is only a preferred embodiment, and not intended to limit the scope of the utility model, and all equivalent changes and modifications in the shape, structure, characteristics and spirit of the present invention described in the claims should be included in the scope of the present invention.

Claims

1. A self-locking flat cable connector is used for holding a flexible flat cable on a PCB to form an electric contact and comprises a shell, a cover body, a plurality of terminals and a pair of elastic self-locking lug buckles, wherein the shell is internally provided with a containing space which is penetrated through from front to back and can be used for inserting the flexible flat cable, the containing space is internally provided with a row of terminal grooves, the terminals are arranged in the terminal grooves, the front ends of the terminals are in contact with the inserted flexible flat cable to conduct high-frequency current, the tail ends of the terminals are welded on the PCB, two ends of the bottom of the shell are respectively provided with an elastic lug buckle groove, the elastic self-locking lug buckles are inserted in the elastic lug buckle grooves, the upper ends of the elastic self-locking lug buckles extend into the containing space to fix the shell on the PCB and also are used for fastening the flexible flat cable, the cover body is a metal pressing type elastic sheet, and the top surface of the shell is provided with an inclined plane groove, the lid is established on the inclined plane recess, the bottom surface of lid with an elasticity space has been formed between the inclined plane of inclined plane recess, is lieing in be equipped with on the lid of the top in elasticity space and press the layering the both sides of lid are close to press strip department and be provided with a hasp portion downwards respectively lie in on the casing the both sides of inclined plane recess respectively are equipped with a hasp portion insertion groove, hasp portion passes through hasp portion insertion groove inserts in the casing for the lock joint is in realize soft winding displacement auto-lock on the draw-in groove of the both sides of soft winding displacement.

2. The self-locking flat cable connector according to claim 1, wherein a fixing portion is bent downward at each of two ends of the rear side of the cover, a solder foot is provided at a bottom end of the fixing portion for soldering to the PCB to fix the housing, an insertion portion is provided on the fixing portion and on the rear side of the cover, an insertion port is provided on the housing corresponding to all the insertion portions, the insertion portion is inserted into the housing through the insertion port to fix the cover, the front side of the cover has a curled edge structure, the pressing strip is provided on the curled edge structure, and the fixing portion, the insertion portion, and the locking portion are integrated with the cover.

3. A self-locking type bus bar connector as recited in claim 1 or 2, wherein said locking portion is U-shaped hook with a hook surface being a guiding slope.

4. The self-locking type bus bar connector according to claim 1, wherein an adsorption platform is disposed at a middle position on the top surface of the housing, and an adsorption platform avoiding opening is disposed at a middle position of the cover body.

5. The self-locking flat cable connector according to claim 1, wherein the elastic lug comprises an insertion portion, a welding portion and an elastic contact portion, the insertion portion is configured to be inserted into the housing, the welding portion is formed by two bends on one side of the insertion portion and is welded to the PCB, the side edge of the insertion portion is bent upwards by 50 ° to 53 ° to form the inclined elastic contact portion, the front end of the elastic contact portion is bent downwards by 70 ° to 75 °, and the bent portion forms an elastic contact point for contacting with the flexible flat cable to conduct high-frequency current.