CN2689531Y - coaxial connector - Google Patents

Abstract

A coaxial connector, comprising: the insulating part is formed by connecting an insulating seat and an insulating cover by a bendable connecting part, and the insulating seat is provided with a plurality of slots for the fixed metal terminal and the movable metal terminal to be respectively inserted and embedded by preset inserting sheets for positioning; one end of the movable metal terminal is provided with an elastic contact part, and the other end of the movable metal terminal is provided with a bending part, and the edge of the insulating seat is clamped by the bending part; the fixed metal terminal is positioned at the other side edge of the insulating seat, one end of the fixed metal terminal is provided with a contact part, the contact part extends to the upper part of the elastic contact part of the movable metal terminal and is in normal contact with the elastic contact part, and the other end of the fixed metal terminal is provided with a bending part, and the edge of the insulating seat is clamped by the bending part; the insulating cover and the insulating base are clamped and positioned, the insulating cover and the insulating base have the effects of accurate positioning and simple and easy assembly, the product quality and the production efficiency can be effectively improved, and the conductive shell cover is coated on the outer side of the insulating piece, so that the electromagnetic shielding effect is achieved, and the integral bonding strength of the conductive shell cover can be improved.

Description

coaxial connector

<technical field>

The utility model relates to a coaxial connector.

<Background Technology>

There are many types of coaxial connector structures, but the ultra-small coaxial connector structure with switching function is like a coaxial connector disclosed in US Patent No. 6,585,532, which uses thermal fusion on the lower insulator Plastic method, riveting the fixed metal contact and the movable metal contact of the two-phase elastic contact, and covering an upper insulator with a convex guide post (hole) above the lower insulator, and clamping the upper and lower insulators with an outer shell , so that the combined into one; the above structure is still discussed in depth

With the following missing:

1. Since the fixed metal contact and the movable metal contact are deformed by heating and softening the preset part of the lower insulator to be clamped and positioned, it is not only extremely inconvenient to assemble, but also the fixed position of each metal contact is processed each time. Its positioning is extremely difficult to control, thus affecting the accuracy of the finished product and its work quality.

2. Since the upper and lower insulators are independent and separate entities, the upper insulator must be aligned with the lower insulator during assembly to position and combine the two, which also increases the inconvenience of assembly and affects the efficiency of processing and assembly.

Another U.S. Publication No. US2003/0077931A1 patent application discloses an insulating seat with integral molding, and a horizontally penetrating tubular accommodation space is provided in the insulating seat, and the middle section of the accommodation space is connected upwards. holes, and a movable terminal and a fixed terminal are respectively embedded in the accommodating space, and the movable terminal and the fixed terminal form elastic contact; this structure also has the following disadvantages:

1. There is a T-shaped connecting accommodation space and vertical through-holes on the integrally formed insulating seat. The molding mold will be more complicated, and higher injection molding skills will be required, and the molding time may also be prolonged. In this way, development and production costs will increase.

2. Since the movable terminal and the fixed terminal are respectively embedded in the accommodating space, and there is a height difference between the two, it will be extremely inconvenient to assemble, which will affect the efficiency of assembly, and the accuracy of assembly will also be affected. adverse effects.

China Taiwan Patent Announcement No. 523202 (Application No. 90219027) of the "Coaxial Microwave Switch Connector" patent case also discloses a method of utilizing two independent and separated insulators and a bottom plate to clamp two oppositely extending shrapnels and grounding sheets , and the structure that fits a housing outside the combination of the insulator and the bottom plate basically has the problem of inconvenient assembly of the insulator and the bottom plate, which affects its assembly efficiency.

<Utility Model Contents>

In view of the above-mentioned shortcomings in the structure of the conventional ultra-small coaxial connector with switch function, the purpose of the utility model is to provide a coaxial connector with the advantages of simple structure and more stable bonding strength, which can improve the electrical Contact accuracy, accurate positioning, and easy assembly can effectively improve the lack of the above-mentioned conventional products, thereby improving product quality and production efficiency.

In order to achieve the above purpose, the utility model provides a coaxial connector, which is characterized in that it at least includes:

An insulator, which includes an insulating seat and an insulating cover that are oppositely covered, the insulating seat and the insulating cover are connected into one body by a bendable connecting part, the insulating seat is on the surface covered with the insulating cover, An accommodating space is provided, a convex portion protrudes from the center of the outer surface of the insulating cover, and a through hole is formed in the center of the convex portion;

A movable metal terminal is positioned in the accommodating space of the insulating seat, one end of which is provided with an elastic contact part, and the other end is provided with a bending part bent downward, and the edge of the insulating seat is clamped by the bending part , and the lower end of the bent part forms a welding surface;

A fixed metal terminal is positioned on the other side edge of the insulating seat, and one end is provided with a contact portion, which extends above the elastic contact portion of the aforementioned movable metal terminal and is in normal contact with the elastic contact portion, and the other end A downward bending part is provided, and the edge of the insulating seat is sandwiched by the bending part, and a welding surface is also provided at the lower end of the bending part;

A conductive shell is a plate cover corresponding to the insulator. The conductive shell is provided with a neck protrusion, and a through hole covering the outer periphery of the insulating cover protrusion is arranged in the neck protrusion, and At least one side of the board cover is provided with bent edges, and a hook is provided at the extension end of each bent edge;

The insulating cover is closed on the insulating seat, the conductive shell cover is fixedly clamped on the outside of the insulating cover, and the hooks of each bent edge of the conductive shell are respectively hooked on the bottom surface of the insulating seat, so that the conductive shell is insulated. The peripheral sides of the piece form a firm clamping wrap.

The coaxial connector described above is characterized in that: at least a pair of slots are respectively provided on the surface of the insulating seat and the insulating cover corresponding to the fixed metal terminal and the movable metal terminal, and the fixed metal terminal and the movable metal terminal The terminal is provided with an inserting piece opposite to the slot, and the inserting piece is tightly inserted into the corresponding slot for positioning.

The above-mentioned coaxial connector is characterized in that: a recess is provided on the periphery of the bottom surface of the insulating seat, and the hooks of the aforementioned conductive shell are inserted into the recess for positioning.

The coaxial connector described above is characterized in that: between the insulating cover and the insulating seat, a locking tenon and a locking groove are respectively provided on the edge of the part where the non-joining part is connected, so that the locking tenon fits into the Buckle in the buckle slot for positioning.

The coaxial connector is characterized in that: the insulating seat is provided with a notch at the edge where the fixed metal terminal and the movable metal terminal are joined together at the bending part.

The coaxial connector of the present utility model mainly separates an insulating member into two parts, an insulating base and an insulating cover, which can be relatively covered, and a bendable connecting part is integrally connected between them to make the insulating base When the insulating cover and the insulating cover are closed together, the internal mechanisms can produce a very good corresponding relationship, and when assembling, the fixed metal terminal and the movable metal terminal can be assembled in the insulating seat very simply and firmly, and then the insulating The cover is flipped and closed on the insulating seat, and it is locked and positioned; and a conductive shell is used to cover and press the outer side of the insulating part, which can produce a more stable bonding strength, and has the functions of accurate positioning and easy assembly. It can effectively improve the deficiencies of the above-mentioned conventional products, thereby improving product quality and production efficiency.

The coaxial connector of the present utility model is particularly provided with at least one insertion piece on the fixed metal terminal and the movable metal terminal, which can be tightly inserted into the corresponding slot on the insulating seat, and has the advantages of easy assembly and stable positioning , Precise effect, has the advantages of improving assembly efficiency and electrical contact accuracy. The conductive shell can be wrapped on the outside of the insulator, in addition to shielding the electromagnetic effect, it can also increase its overall bonding strength.

The detailed structure, application principle, function and effect of the present utility model can be fully understood with reference to the following descriptions made in accordance with the accompanying drawings:

<Description of drawings>

Figure 1 is an exploded view of the structure of the utility model.

Fig. 2 is a partial assembly diagram of the utility model.

Fig. 3 is a schematic diagram of another part of the utility model.

Fig. 4 is an overall assembled appearance diagram of the utility model.

Fig. 5 is an overall combined sectional view of the utility model.

Fig. 6 is a schematic diagram of the action of the movable metal terminal and the fixed metal terminal after a plug is inserted and engaged with the utility model.

<specific implementation>

Fig. 1 is a three-dimensional exploded view of the structure of the present utility model, from which it can be clearly seen that the coaxial connector of the present utility model mainly includes: an insulator 1, a fixed metal terminal 2, a movable metal terminal 3 and a conductive shell Cover 4 and other parts, wherein the insulator 1 is composed of an insulating seat 11 and an insulating cover 12 integrally connected by a bendable connecting portion 13 . A first notch 112 and a second notch 113 extending downwards are respectively provided on the periphery of the insulating seat 11 , and an accommodating space 111 is recessed on the top surface of the insulating seat 11 in advance, and on the top surface of the insulating seat 11 , at least one set of symmetrical first slots 1121 are provided near the two sides of the first notch 112, and at least one set of symmetrical second slots 1131 are provided near the two sides of the second notch 113; And this insulating base 11 is provided with a catch groove 114 on at least one edge of the side of the non-joining portion 13, and a plurality of recesses 115 can be provided on the periphery of the bottom surface of the insulating base 11; A protruding part 121 is protruded nearby, and a through hole 122 is provided in the center of the protruding part 121, and a detent tenon 123 is provided corresponding to the detent groove 114 of the folded insulating base 11; one end of the fixed metal terminal 2 is provided with a There is a contact portion 21, and the other end is provided with a generally ㄈ-shaped downward bending portion. A welding surface 22 is formed near the lower end of the bending portion. On both sides between the contact portion 21 and the bending portion, you can There is also a downwardly bent insertion piece 23; one end of the movable metal terminal 3 is provided with an elastic contact portion 31 with a warped end, and the other end is provided with a downwardly bent portion and a welding surface similar to the fixed metal terminal 2 32, and on the two sides between the elastic contact portion 31 and its bending part, similar inserting pieces 33 can also be provided; Cover body, the center of a flat portion 41 provided on it is provided with a neck protrusion 42 corresponding to the convex portion 121 of the insulating cover 12, and a neck protrusion 42 is provided in the center of the neck protrusion 42 which is just enough to cover the protrusion 121. The flat portion 41 is provided with a bent edge 43 on at least one side of the peripheral edge, and a hook portion 431 is provided at an extended end of each bent edge 43 .

Figures 2 and 3 are combined schematic diagrams of the insulator 1 and the two metal terminals 2 and 3 of the present utility model. By referring to the overall combined appearance diagram of Figure 4 and the overall combined cross-sectional view of Figure 5, it can be known that when combined, The movable metal terminal 3 is tightly inserted into the second slot 1131 of the insulating base 11 with each inserting piece 33 to form a positioning, so that the elastic contact part 31 can extend into the accommodation space 111 to be installed close to the fixed metal terminal 2 position, and the welding surface 32 can correspond to the second notch 113 and extend down to the bottom side of the insulating base 11 to form a clamp; then insert the fixed metal terminal 2 into the first slot of the insulating base 11 with each insert piece 23 1121 to form a positioning, and make its contact portion 21 protrude above the accommodating space 111, and form a normal contact with the elastic contact portion 31 of the movable metal terminal 3, and the welding surface 22 can extend downward corresponding to the first concave notch 112 to The bottom side of the insulating base 11 is clamped (as shown in Figure 2), so as to facilitate the welding and positioning of the external telecommunication source; then, the insulating cover 12 is covered on the insulating base 11 by bending the connecting portion 13 , and insert the locking tenon 123 into the locking groove 114 to form a fastening position (as shown in Figure 3), and then use the conductive shell 4 to fit the outer side of the insulator 1, so that the through hole of the neck protrusion 42 421 accommodates the convex part 121 of the insulating cover 12, and at the same time, the hook parts 431 of each bending edge 43 can be bent and embedded in the concave part 115 of the insulating seat 11, so that the conductive shell 4 can be stably fixed on the side of the insulating part 1 Form a tight coating (as shown in Figures 4 and 5).

The utility model connects the two parts of the insulating seat 11 and the insulating cover 12 that can be relatively overlapped by the above-mentioned bendable connecting part 13, so that the relevant parts on the insulating seat 11 and the insulating cover 12 and the internal components can be installed. (Metal terminals 2, 3) have the effect of being in the correct corresponding position naturally during the assembly process, that is, it is only necessary to directly turn over the insulating cover 12 to the top of the insulating seat 11, and insert the locking tenon 123 into the card of the insulating seat 11. The detent groove 114 can make the insulating seat 11 and the insulating cover 12 precisely correspond to and position each other; and the fixed metal terminal 2 and the movable metal terminal 3 can also be easily and accurately inserted into the insulating plate by using the inserting pieces 23 and 33 respectively. In the first slot 1121 and the second slot 1131 on the seat 11, the insulating cover 12 is used to press the fixed metal terminal 2 and the movable metal terminal 3, which can indeed form a stable and precise positioning with a very simple combined processing method. ; On the whole, compared with the traditional structure, it has the dual effects of simplifying the assembly process and improving the yield of finished products.

Fig. 6 is an action diagram of simulating the separation of the movable metal terminal 3 from the fixed metal terminal 2 after a plug-in terminal 5 is inserted into the utility model; The elastic contact part 31 is in the position of being in contact with the contact part 21 of the fixed metal terminal 2; The columnar plug-in terminal 5 passes through the through hole 122 of the insulating cover 12, and then extends into the accommodating space 111 of the insulating seat 11, so as to abut against the elastic contact portion 31 of the movable metal terminal 3. At this time, the elastic contact portion 31 is Utilize the descending margin provided by the accommodating space 111 to drop away from the position where it is in contact with the contact portion 21 of the fixed metal terminal 2, so that the fixed metal terminal 2 and the movable metal terminal 3 form an open circuit, so that the movable metal terminal 3 and the inserted plug terminal 5 form a conduction (electrical connection) state, thereby achieving the function of switching.

Based on the above, it can be known that the coaxial connector of the present invention has the advantages of simple and fast assembly, accurate positioning of each component, and stable combination, and has indeed industrial value.

The above is only a preferred embodiment of the present utility model, and is not used to limit the protection scope of the present utility model. All equivalent changes and modifications made according to the present utility model should be covered by the protection scope of the present utility model. within.

Claims (9)

1. coaxial connector, it is characterized in that: it comprises at least:

One insulating part, it comprises an insulating base and an insulating lid that is laminated with relatively, this insulating base and insulating lid connect to one by a bent convergence part, this insulating base with face that insulating lid is laminated with mutually on, be provided with an accommodation space, the lateral surface central projection of this insulating lid is provided with a protuberance, is provided with a perforation in these protuberance central authorities;

One live metal terminal, be to be positioned in the accommodation space of aforementioned dielectric seat, the one end is provided with elastic contact part, and the other end then is provided with a bending part that bends downwards, with the edge of this bending part clamping insulating base, and the lower end of this bending part forms a solder side;

One fixing metal terminal, it is another lateral margin that is positioned the aforementioned dielectric seat, the one end is provided with contact site, this contact site extends to the elastic contact part top of aforementioned live metal terminal, and contact with this elastic contact part normality, the other end then is provided with downward bending part, and with the edge of this bending part clamping insulating base, and this bending part lower end also is provided with a solder side;

One conduction clamshell, be the plate cover body to should insulating part and establishing, this conduction clamshell is provided with a neck protuberance, is provided with the perforation that cover covers this insulating lid protuberance periphery in this neck protuberance, and at least one side of this plate cover body is provided with bending edge, is provided with hook portion in the elongated end of each bending edge;

This insulating lid is covered on the insulating base, and this conductive shell enclosure is decided the outside of clamping in insulating lid, and the hook portion of conduction clamshell each bending edge respectively hook be held in the insulating base bottom surface.

2. coaxial connector as claimed in claim 1, it is characterized in that: on this insulating base and the face that insulating lid is laminated with mutually to should the fixing metal terminal and the live metal terminal be respectively equipped with at least one pair of slot, and this fixing metal terminal and live metal terminal are provided with the intercalation sheet in relative this slot part, closely insert corresponding slot location with this intercalation sheet.

3. coaxial connector as claimed in claim 1 or 2 is characterized in that: this insulating base bottom surface periphery is provided with recess, embeds this recess location with each hook portion of aforementioned conductive shell cover.

4. coaxial connector as claimed in claim 1 or 2 is characterized in that: this insulating base is provided with concane gap to should the fixing metal terminal and the edge of live metal terminal bending part combination.

5. coaxial connector as claimed in claim 4 is characterized in that: this insulating base bottom surface periphery is provided with recess, embeds this recess location with each hook portion of aforementioned conductive shell cover.

6. coaxial connector as claimed in claim 1 or 2 is characterized in that: between this insulating lid and the insulating base, be positioned at the edge of the part of non-convergence part binding, be respectively equipped with a clip tenon and a clamping groove, this clip tenon buckle is located in this clamping groove.

7. coaxial connector as claimed in claim 6 is characterized in that: this insulating base bottom surface periphery is provided with recess, embeds this recess location with each hook portion of aforementioned conductive shell cover.

8. coaxial connector as claimed in claim 6 is characterized in that: this insulating base is provided with concane gap to should the fixing metal terminal and the edge of live metal terminal bending part combination.

9. coaxial connector as claimed in claim 8 is characterized in that: this insulating base bottom surface periphery is provided with recess, embeds this recess location with each hook portion of aforementioned conductive shell cover.

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