CN201259980Y - External buckling type connector joint - Google Patents

Abstract

The utility model belongs to cable adapting unit field relates to and connects a novel attach fitting who uses in having flexible flat cable, or soft winding displacement, and this attach fitting has good insulating and electric conductive property. The utility model provides an outer knot formula connector connects, by the shell that epitheca and inferior valve lock joint constitute together to and the rubber core and the stopper pad of setting in above-mentioned shell, terminal seat are constituteed, be equipped with on the rubber core with stopper pad matched with spout, and utilize the stopper pad to fix the terminal seat lock joint on the rubber core, stopper pad upper surface be provided with the winding displacement groove that is parallel to each other, this winding displacement groove has the upper surface middle part to begin to extend to the lower surface edge around stopper pad surface, each winding displacement inslot be provided with one and dial on removing insulating layer winding displacement copper wire, the terminal seat on be provided with parallel to each other and with the corresponding terminal contact pin of winding displacement groove position, the one end of this terminal contact pin is through self elasticity pressfitting on the copper wire. The utility model provides an outer knot formula connector connects with locking function.

Description

A kind of buckle type connector joint

【Technical field】

The utility model belongs to the field of cable connection parts, and relates to a new type of connection joint used in connection with flexible flat cables or flexible cables. The connection joint has good insulation and electrical conductivity, and the connection is reliable and stable.

【Background technique】

With the rapid development of electronic products, its components are developing towards the goal of small size and low cost. Since the circuits of electrical systems are quite complicated, connectors for flexible flat cables are regarded as one of the most practical connection devices for transmitting signals. In addition, in order to facilitate the production and maintenance of electrical systems, most circuit configurations are separated by functionality and then connected. This method is also conducive to the upgrade or maintenance of the electrical system in the future. The flexible flat cable connector is one of the quite common methods used for electrical connection of different functional circuits. Nowadays, in human life, it is the era when electrical products (such as TV, computer, etc.) are gradually popularized. People's work and quality of life requirements are also gradually improved according to the development of society. It has been inseparable from our daily life, and has already become one of the tools in human work, life and information transmission. For example, the monitors of TVs and computers have developed from the original glass material to the prevailing liquid crystal material. Since the connector (male seat) commonly used to connect with the liquid crystal display is plug-and-pull, although the transmission of the connector is guaranteed , but because it does not have the function of being tightly connected with the female seat, it is easy to cause loosening and poor contact during long-term use, which will cause the signal loss during communication and affect the quality of communication. Therefore, in this industry, there is a great need for a connection joint that is simple and convenient to connect with the flexible cable, reliable in use, and has good electrical conductivity when it is plugged into the connector socket.

【Content of invention】

The purpose of this utility model is to provide an external buckle connector joint with a locking function. The assembly type installation method is adopted between the cable and the terminal in the connector joint, and a conjoined structure is adopted, which is practical, flexible and convenient , can be used for a long time, and the assembly process is simple, and the joint also has the characteristics of high temperature and low temperature resistance.

In order to achieve the above-mentioned technical purpose, the technical solution adopted by the utility model includes the following technical content: an outer buckle connector joint, an outer shell composed of an upper shell and a lower shell snapped together, and a The rubber core is composed of a plug pad and a terminal seat. The rubber core is provided with a chute that matches the plug pad, and the terminal seat is fastened and fixed on the rubber core by using the plug pad. The two sides of the shell are respectively equipped with Elastic U-shaped locking piece, the shorter side is inserted into the positioning groove in the rubber core, the longer side is provided with a small hook on the top, and the small hook on it protrudes from the through hole at the lower end of the unlocking handle. It is characterized in that : The upper surface of the plug pad is provided with mutually parallel wire slots, the wire slot has the middle part of the upper surface and extends around the plug pad surface to the edge of the lower surface, and each of the wire slots is provided with a dial to remove the insulation On the layered copper wire, the terminal base is provided with terminal contacts parallel to each other and corresponding to the position of the cable slot, and one end of the terminal contact is pressed onto the copper wire by its own elasticity.

The rubber core is provided with a square positioning hole, and a cylindrical positioning pin is provided at a corresponding position on the terminal base.

The front end of the contact pin of the pin terminal has a radian, and the other end is bent in the shape of a "door".

The shell is made of stainless steel.

Both the tail ends of the upper shell and the lower shell are provided with a clamping piece inclined inwardly to fix the wire.

By adopting the above-mentioned technical solutions, the utility model has obtained the following technical advantages and effects:

The utility model adopts the arrangement of a plurality of mutually parallel cable troughs on the plug pad, and the above-mentioned cable troughs extend to the other surface of the plug pad to form a bent cable trough. The above structure of the cable troughs can be Tightly embed each cable into the cable groove, so that after the above-mentioned cable is combined with the terminal base, each terminal contact pin is pressed on the cable copper wire by its own elasticity, using the above-mentioned structure , the original cable connected by welding can be changed to the existing assembly to fix the connection cable, improve the production efficiency of the connector joint, and greatly reduce the cost. It is adopted at the front end of the terminal contact pin The area in contact with the connector socket is provided with a radian, which can make it more closely in contact with the copper wire of the cable, and the conductivity is more stable, so as to avoid poor contact after the connector is inserted. The glyph structure can make it contact with the socket more closely, the conductivity is more stable, and avoid poor contact after the connector is inserted; by adopting the square positioning hole on the rubber core, the corresponding position on the terminal base is provided with a cylindrical hole. The structure of the positioning pin can ensure the accurate positioning between the above-mentioned plug pad and the terminal seat, and can prevent the connector joint from retreating when plugged in; The stability of the connection between the connection joint and the connection socket is enhanced, making it more firm and more flexible in use. The tail end of the terminal contact pin is suspended in the air and has an arc shape to make contact with the wire more stable. The upper and lower covers of the housing are buckled together, and the tail end has a symmetrical shrapnel in contact with the wire, which not only has the function of grounding but also plays the role of clamping and positioning, and strengthens the stability of the signal. performance while preventing the wire from swinging.

【Description of drawings】

Fig. 1 is the three-dimensional exploded schematic view of the utility model;

Fig. 2 is the front view of the locking plate of the present utility model;

Fig. 3 is the right side view of the locking plate of the present invention;

Fig. 4 is a front view of the terminal block of the present invention;

Fig. 5 is a side view of the terminal base of the present invention.

【Detailed ways】

Below in conjunction with accompanying drawing, the utility model is further described:

The utility model is an improvement aimed at the existing connector joint. The shell is composed of the upper shell 1 and the lower shell 2. In order to make the shell have a longer service life and good buckling performance, the utility model The housing in the new model is made of stainless steel, and is composed of the rubber core 3, the plug pad 4, and the terminal seat 5 arranged in the above housing. The rubber core is installed in the cavity formed after the upper shell 1 and the lower shell 2 are fastened together. 3. The middle part of the rubber core 3 is provided with a groove matching the plug pad 4, and the two sides of the groove are provided with chute 6 for fixing the plug pad 4, and the two sides of the plug pad 4 are in contact with the above-mentioned chute 6 fit, and can be installed in the above-mentioned chute 6 in a sliding insertion manner. A terminal base 5 is provided on the lower part of the plug pad 4, and the terminal base 5 is buckled and fixed on the rubber core 3 by fastening the plug pad 4 and the rubber core 3, and the terminal base 5 is provided with a plurality of terminal contacts arranged in parallel 7. The contact pin 7 of the terminal is the terminal in the terminal base 5 . Both sides of the shell are respectively provided with elastic locking pieces 8, the locking pieces 8 are U-shaped and one side of the U-shape is long, the other side is short, and the shorter side is inserted into the positioning groove in the rubber core 3 Among them, a small hook 9 is provided on the top of the longer side, and the small hook 9 protrudes from the square through hole 10 at the bottom of the rubber core 3, and when the above-mentioned connector joint is mated with the connector socket, the small hook 9 passes through the , to lock the connector plug and connector receptacle together. Through such a structural arrangement, it can ensure that the contacts are tightly connected together after the above two are mated, prevent poor contact caused by the swing of the plug, and improve the reliability of the product. As shown in Figure 1-3, there are unlocking handles 11 on both sides of the rubber core 3. The unlocking handle 11 and the rubber core 3 are integrally formed. Of course, a card slot can also be provided on the rubber core 3. Set the unlock handle. The unlocking handle 11 is connected to the longer end of the locking piece 8, and the small hook 9 on it is stretched out from the square through hole 10 at the lower end of the unlocking handle 11. After the connector joint and the connector socket are connected into one, if necessary Above-mentioned plug is taken off, can be by pressing unlocking handle 11, drives small hook 9 to move by this unlocking handle 11, withdraws from the fixed groove in the connector socket, and this is that connector joint can be pulled out.

As shown in FIGS. 1 , 4 and 5 , the rubber core 3 is provided with a square positioning hole 13 , and a cylindrical positioning pin 12 is provided at a corresponding position on the terminal base 5 . The mutual cooperation of the positioning holes 13 and the positioning pins 12 can ensure the stable and accurate positioning of the rubber core 3 and the terminal base 5 after installation, and ensure the stability with the socket when plugged. The upper surface of the plug pad 4 is provided with parallel cable slots 16 , and the number of the cable slots 16 depends on the number of the required cable 15 . The cable trough 16 has the middle part of the upper surface and extends around the surface of the plug pad 4 to the edge of the lower surface. Each of the cable troughs 16 is provided with a copper wire with the insulating layer cable 15 removed. The terminal The base 5 is provided with terminal contact pins 7 parallel to each other and corresponding to the position of the cable slot 16 , and one end of the terminal contact pin 7 is elastically pressed onto the copper wire of the cable 15 . The front end of the terminal contact pin 7 has a radian, and the other end is bent in the shape of a "door". Since the front end of the contact pin 7 of the terminal has a radian, when it contacts with the copper wire of the cable 15, it can ensure its good connection state and enhance the conductivity. The other end of the terminal contact pin 7 is bent in the shape of a "gate". After the above-mentioned "door"-shaped part is plugged into the connector socket, the "door"-shaped part is tightly connected to the corresponding terminal on the connector socket, and this curved terminal contact pin structure is adopted. , can significantly increase the contact area during plugging, make the above two mating terminals tightly combined, make the conductivity more stable, and further provide the stability and reliability of the connection between the terminals.

After the cable 15 in the utility model is fixed in the connector socket, in order to prevent swinging during use, a clamping piece 14 that tilts inward to fix the wire can be provided at the tail end of the upper shell 1 . After the connector plug is installed, the clamping piece 14 clamps the tail end of the cable 15 by its own elasticity, preventing the cable 15 from swinging and affecting the connection state between the terminal and the wire.

Although the present invention has been disclosed above with preferred embodiments, they are not intended to limit the present invention. Those skilled in the art will appreciate, however, that modifications are permitted within the spirit and scope of the appended claims. Anyone familiar with the art can make some changes and modifications without departing from the spirit and scope of the present invention, so the protection scope of the present invention should be defined by the claims.

Claims (5)

1. An outer snap-on connector joint, consisting of an outer shell that is snapped together by an upper shell and a lower shell, and a rubber core, a plug pad, and a terminal seat arranged in the above shell. The rubber core is provided with a plug pad The matching chute, and the terminal seat is buckled and fixed on the rubber core by using the plug pad. The two sides of the shell are respectively provided with elastic U-shaped locking pieces, and the shorter side is inserted into the rubber core for positioning. In the groove, a small hook is provided on the top of the longer side, and the small hook on it protrudes from the through hole at the lower end of the unlocking handle. The wire groove has the middle part of the upper surface and extends around the surface of the plug pad to the edge of the lower surface. A copper wire with the insulation layer removed is arranged in each row of wire grooves, and the terminal base is provided with parallel and The terminal contact pin corresponding to the position of the wiring groove, one end of the terminal contact pin is elastically pressed on the copper wire of the cable arrangement. 2. A fit-and-buckle type connector joint according to claim 1, characterized in that: the rubber core is provided with a square positioning hole, and the corresponding position of the terminal base is provided with a cylindrical positioning pin. 3. A snap-on connector joint according to claim 1, characterized in that: the front end of the contact pin of the terminal has a radian, and the other end is bent in the shape of a "door". 4. The snap-on connector joint according to claim 1, characterized in that: said shell is made of stainless steel. 5. The buckle type connector joint according to claim 1, characterized in that: both the tail ends of the upper shell and the lower shell are provided with a clamping piece inclined inward to fix the wire.

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