TWM486193U - Improved structure of coaxial connector - Google Patents

Description

Structural improvement of coaxial connector

The present invention relates to a structural improvement of a coaxial connector, and more particularly to a structure of a coaxial connector that can reduce the cumbersome steps in product assembly, and which can reduce the number of working hours and thereby reduce the cost.

The first figure and the second figure are respectively a schematic process of assembling a conventional small coaxial cable and a cross-sectional view after the assembly is completed. As shown in the drawings, the conventional small coaxial cable connector mainly comprises an insulating housing 1 and a metal housing 2.

The insulating housing 1 has a substantially cylindrical trough 11 in the vertical direction. A bead 12 is defined at a top end of the outer edge of the trough body 11; an inner joint opening 13 is formed in the inner circumference of the trough body 11; and a wire seat 14 is laterally extended on one side of the trough body 11.

The tank body 11 is provided with a contact terminal 15. The bottom of the contact terminal 15 has a pair of contact pieces 151 which are respectively protruded from the joint opening 13 of the groove body 15; and a top portion of the contact terminal 15 is formed with a bent pressing piece 152.

The metal casing 2 has a cylindrical casing 21 in the vertical direction. The casing 21 is formed with a clamping groove 211 penetrating vertically, and a pair of protruding restraining arms 212 are laterally extended on one side of the casing 21. The top end of the outer edge of the sleeve body 21 is extended with a clamping portion 22, and the clamping portion 22 and the sleeve body 21 are integrally formed and pressed. A turning portion 23 is formed between the clamping portion 22 and the sleeve body 21 such that the clamping portion 22 can be bent by the turning portion 23 as a turning point. A pair of first clamping pieces 221 , a second clamping piece 222 , and a third clamping piece 223 are respectively disposed on two sides of the clamping portion 22 .

The coaxial cable 3 has an inner layer to an outer layer, and has a core wire 31 and insulation in sequence. Layer 32, mesh braided wire 33, and insulating skin 34.

In the overall assembly, the insulating housing 1 and the contact terminal 15 are first placed in the clamping slot 211 of the metal housing 2, while the wire holder 14 of the insulating housing 1 is located between the pair of limiting arms 212 of the metal housing 2. Then, the coaxial cable 3 is placed on the top of the insulating housing 1 so that the core wire 31 of the coaxial cable 3 abuts against the contact terminal 15; then, the original vertical clamping portion 22 is bent in the horizontal direction by using a jig. Applying a gland to the coaxial cable 3, the core wire 31 of the coaxial cable 3 is pressed by the clamping portion 22, the bead 12 and the pressing piece 152 of the contact terminal 15, so that the core wire 31 and the contact terminal 15 are clamped; Finally, the first clamping piece 221, the second clamping piece 222, and the third clamping piece 223 on the two sides of the clamping portion 22 are respectively crimped and bound to the limiting arm 212 of the sleeve 21, and the coaxial cable 3 The mesh braided wire 33 and the insulating skin 34 of the coaxial cable 3 complete the structure of the conventional small coaxial cable connector.

However, each of the above components needs to be assembled and assembled with each other, and the assembly steps are complicated and costly.

In view of this, the present invention provides a coaxial connector structure which can reduce the cumbersome steps in product assembly, and which is advantageous in reducing the working time and thus reducing the cost, and the main purpose thereof.

In order to achieve the above, the coaxial connector of the present invention comprises at least: a metal casing, an insulating casing and a conductive terminal, wherein the insulating casing is disposed in the metal casing, and the insulating casing is provided with a perforation and a groove portion. a seat body, a sleeve connected to the through hole, and at least one pressing portion disposed on the seat body adjacent to the groove portion, the pressing portion can be covered by the groove portion, and the conductive terminal is formed by in-mold injection molding The technology (Insert Molding) is combined in the body of the insulating case, so that the overall structure is relatively firm, and the cumbersome steps in reducing the assembly of the product are improved, and the effect of reducing the working time and thus the cost is reduced.

According to the above technical feature, the metal casing can accommodate the insulating casing, and the metal casing has a connecting portion and a cover plate, and the sleeve of the insulating casing is relatively located in the socket portion, the socket The first housing has a first opening and a second opening, and the socket has at least an opening portion, the cover is closed to the second opening, and the metal housing can be relatively inserted from the first opening a board end connector, and the metal housing is formed with at least one receiving portion opposite to the pressing portion.

The second opening to the first opening is a first direction, the first opening to the second opening is a second direction, and the insulating housing can be from the first direction or the second direction to the metal housing Phase assembly.

According to the above technical feature, an inner concavity is formed between the seat body of the insulating housing and the sleeve, and the insulating housing is assembled with the metal housing in the second direction and penetrates the concave portion. The constriction allows the insulative housing to pass through the cut-out section of the socket.

According to the above technical feature, the first side of the cover plate of the metal casing is provided with a corresponding first bending arm, a second bending arm and a third bending arm, and the pair of first bending arms are relatively press-fitted to the receiving body. unit.

According to the above technical feature, the pressing plate is bent by the connecting plate toward the same side of the contact member, and the connecting plate is bent and formed with a hole.

According to the above technical feature, the other side of the connecting plate is bent upward to form two pressing plates, and the two pressing plates are opposite to the connecting plate.

According to the above technical feature, the contact member is formed with at least one arc portion having at least one interval.

According to the above technical feature, the first and second latching members are respectively disposed between the metal shell and the insulating shell, so that the metal shell and the insulating shell are mutually positioned.

The first latching member is a groove structure, and the second latching member Corresponding to the bump structure; or the first latching member is a bump structure, and the second latching member is a corresponding recessed structure.

According to the above technical feature, the joint between the pressing portion and the seat body has a bending section which is thinner than the pressing portion.

A1, A2‧‧‧ cross section

D‧‧‧diameter

F1‧‧‧ first direction

F2‧‧‧second direction

L‧‧‧ length

1‧‧‧Insulated body

11‧‧‧

12‧‧‧Pressing

13‧‧‧ joint

14‧‧‧ wire base

15‧‧‧Contact terminal

151‧‧‧Contact film

152‧‧‧ tablet

2‧‧‧Metal housing

21‧‧‧ Socket

211‧‧‧Clamp slot

212‧‧‧Restricted arm

22‧‧‧Clamping

221‧‧‧First clamp

222‧‧‧Second clamp

223‧‧‧ Third clamp

3‧‧‧ coaxial cable

31‧‧‧core

32‧‧‧Insulation

33‧‧‧ mesh braided wire

34‧‧‧Insulated skin

4‧‧‧Metal housing

41‧‧‧ Sockets

411‧‧‧cut section

413‧‧‧ first opening

414‧‧‧ second opening

42‧‧‧ cover

421‧‧‧First curved arm

422‧‧‧second curved arm

423‧‧‧ Third curved arm

43‧‧‧ Turning Department

44‧‧‧First card condition

45‧‧‧ Housing Department

5‧‧‧Insulated housing

51‧‧‧ body

511‧‧‧Perforation

512‧‧‧ slot department

52‧‧‧ sleeve

53‧‧‧ Pressure Department

531‧‧‧Bend section

54‧‧‧Second card condition

56‧‧‧Indentation

6‧‧‧Electrical terminals

61‧‧‧Connecting plate

62‧‧‧Contacts

621‧‧‧Arc

622‧‧‧ interval

63‧‧‧Pressing plate

64‧‧‧Breaking

7‧‧‧Board connector

The first figure is a schematic cross-sectional view of an assembly process using a small coaxial cable connector.

The second figure is a schematic cross-sectional view of the first figure connector assembled.

The third figure is an exploded view of the structure of the coaxial connector in the present creation.

The fourth figure is a perspective view of the structure of the insulating case and the conductive terminal in the creation.

The fifth figure is a cross-sectional view of the structure of the insulating case and the conductive terminal in the present invention.

The sixth figure (A) ~ (F) is a structural perspective view of the assembly process of the coaxial connector in the present creation.

The seventh figure is a cross-sectional view of the structure of the coaxial connector in the present creation.

The eighth figure is a perspective view showing the structure of the second embodiment of the conductive terminal in the creation.

The ninth drawing is a perspective view showing the structure of the third embodiment of the conductive terminal in the present invention.

The tenth figure is an exploded view of the third embodiment of the coaxial connector of the present invention.

The eleventh figure is a schematic structural view of a third embodiment of the coaxial connector in the present invention.

The characteristics of this creation can be clearly understood by referring to the detailed description of the drawings and the examples.

As shown in the third figure, the structure of the coaxial connector is shown in the exploded view. The coaxial connector of the present invention includes at least: a metal casing 4, an insulating casing 5, and a guide. Electrical terminal 6.

The metal casing 4 is stamped and formed by a metal plate, and has a cylindrical sleeve portion 41. One end edge of the sleeve portion 41 is connected with a cover plate 42. A twist is formed between the sleeve portion 41 and the cover plate 42. The portion 43 is such that the cover 42 can be bent toward the socket portion 41 by using the turning portion 43 as a turning point, and the function of fixing a coaxial cable 3 is implemented. The socket portion 41 has a first opening 413 and a second opening 414, and the socket portion 41 has at least an opening portion 411, and the second opening 414 to the first opening 413 is a first direction F1. The first opening 413 to the second opening 414 are in the second direction F2, and the first side of the cover 42 of the metal casing is provided with a corresponding first bending arm 421, a second bending arm 422, and a third bending arm 423.

The insulating housing 5 is disposed in the sleeve portion 41 of the metal housing. The insulating housing 5 is provided with a seat 51 having a through hole 511 and a groove portion 512, a sleeve 52 communicating with the through hole 511, and at least one The pressing portion 53 is disposed on the seat body adjacent to the through hole 511, and the pressing portion 53 can be covered by the groove portion 512.

Please refer to FIG. 4 and FIG. 5 at the same time, the conductive terminal 6 is combined in the housing 51 of the insulating housing by means of Insert Molding, and the conductive terminal 6 has a connection. The connecting plate 61 is located in the seat body 51. The connecting plate 61 has a contact member 62 extending in the sleeve 52. The other side of the connecting plate 61 is bent upward to form at least one pressing force. a plate 63, the pressing plate 63 is located between the groove portion 512 and the pressing portion 53, and the contact member 62 and the pressing plate 63 are integrally stamped and bent by the connecting plate 61, as shown in the figure. In the embodiment, the conductive terminal 6 is stamped into a plurality of connecting plates 61 by a metal strip, and then formed into a contact member 62 and a pressing plate 63 by bending or drawing, and then embedded in the mold. Insert Molding molds the insulating housing 5 outside the conductive terminal 6.

Wherein, the length (L) of the pressing plate 63 is equal to or slightly larger than a desired clip. The core wire 31 of the coaxial cable 3 has a diameter (D), that is, L≧D, and the cross section (A1) of the contact member 62 is equal to or slightly smaller than the cross section (A2) of the sleeve 52, that is, A1. ≦A2, and the contact member 62 is formed with at least one arcuate portion 621 having at least one space 622, and the pressing plate 63 is bent by the connecting plate 61 toward the same side of the contact member 62. The connecting plate 61 is bent and formed with a hole 64.

The sixth figure (A) ~ (F) is a structural perspective view of the assembly process of the coaxial connector in the present invention. First, as shown in the sixth (A) and (B), the insulative housing 5 and the conductive terminal 6 integrally formed by embedding the mold are placed on the cover 42 , and the metal housing 4 is The first and second latching members 44 and 54 are respectively disposed between the insulating housings 5 to position the metal housing 4 and the insulating housing 5, and the metal housing 4 is opposite to the insulating housing. At least one receiving portion 45 is formed at the pressing portion 53; of course, the first latching member is a groove structure, and the second latching member is a corresponding bump structure; or the first card The clamping member is a bump structure, and the second clamping member is a corresponding groove structure, and the first and second clamping members 44, 54 are mutually engaged to cause the metal housing 4 to The insulating housings 5 are assembled and positioned with each other.

As shown in the sixth (B) and (C), the core wire 31 of a coaxial cable 3 is inserted into the hole 64 and placed on the connecting plate 61, and is applied (for example, by using a jig). The sleeve portion 41 of the metal casing is pressed against the insulating housing 5 from the second direction F2, and the cover 42 is closed to the second opening 414. The receiving portion 45 is utilized during the pressing process. Pressing against the pressing portion 53, as shown in the sixth (D) and (E), when the pressing portion 53 is covered by the groove portion 512, the pressing plate 63 is simultaneously subjected to the pressing portion. 53 is pressed and positioned to be positioned on the connecting plate 61, and the core wire 31 of the coaxial cable is sandwiched and positioned between the connecting plate 61 and the pressing portion 63, and has the function of stably fixing the position; As shown in FIG. 6C, the joint between the pressing portion 53 and the seat body 51 has a bending section 531 which is thinner than the pressing portion 53 to facilitate the pressing of the pressing portion 53 during pressing. The groove portion 512 is inserted into the groove portion 512 as shown in FIG. 6(E). Press the pressure. And the insulating case can be assembled with the metal case from the second direction in the above embodiment, or can be assembled with the metal case from the first direction.

Finally, the first bending arm 421 disposed on the two sides of the cover 42 of the metal casing is bent and clamped on the receiving portion 45. As shown in FIG. 6F, the second bending arm 422 is bent. The third bending arm 423 is bent and clamped on the insulating skin 34 of the coaxial cable 3 to complete the structure of a small coaxial connector.

After the assembly is completed, the original connector has a connection function of a general connector, as shown in the seventh figure, that is, the pressing portion 53 of the insulating case is interposed between the conductive terminal 6 and the metal casing 4, and has insulation. The second bending arm 422 of the metal casing 4 is sandwiched and meshed with the mesh braided wire 33 of the coaxial cable 3 to have a grounding effect; the metal casing can be relatively inserted into the board by the first opening 413. The end connector 7 allows the core wire 31 of the coaxial cable 3 to be electrically connected to the board end connector 7 via the conductive terminal 6 and through the through hole 511.

Wherein, the conductive terminal is combined with the insert molding technology (Insert Molding) in the seat body of the insulating shell, so that the overall structure is firmer, and the cumbersome steps in assembling the product are improved, thereby reducing the working time. The effect of reducing costs and the like.

Furthermore, as shown in the eighth embodiment, the second embodiment of the conductive terminal is formed. The other side of the connecting plate 61 of the conductive terminal is bent upward to form a pressing plate 63, and the two pressing plates 63 are opposite to each other. Standing on the connecting plate 61. Or, as shown in the second embodiment of the ninth embodiment, the two pressing plates 63 are vertically staggered on the connecting plate 61. Please refer to the tenth and eleventh drawings at the same time, the metal casing The cover plate 42 of the cover member 42 is fixed to the socket portion 41, and is not required to be assembled by the above-mentioned bending cover, and the inner recessed portion 56 is formed between the seat body 51 of the insulating housing and the sleeve 52. For the insulating housing 5 The second direction is assembled with the metal casing 4, and the insulating casing 5 is allowed to pass through the incision section 411 of the socket portion to be assembled on the cover of the metal casing 4 through the inner concavity 56. 42.

In summary, the present invention provides a better and feasible coaxial connector improvement, and the application for a new patent is submitted according to law; the technical content and technical features of the present disclosure are disclosed above, but those familiar with the technology may still be based on this The creation of the creation and the various changes and modifications that do not depart from the creative spirit of the case. Therefore, the scope of the present invention is not limited to the embodiments disclosed, but includes various alternatives and modifications that do not depart from the present invention and are covered by the following claims.

A1, A2‧‧‧ cross section

D‧‧‧diameter

L‧‧‧ length

3‧‧‧ coaxial cable

31‧‧‧core

5‧‧‧Insulated housing

511‧‧‧Perforation

512‧‧‧ slot department

52‧‧‧ sleeve

53‧‧‧ Pressure Department

6‧‧‧Electrical terminals

61‧‧‧Connecting plate

621‧‧‧Arc

63‧‧‧Pressing plate

Claims (10)

The invention relates to a structural improvement of a coaxial connector, comprising at least: an insulating housing, a seat body having a perforation and a groove portion, a sleeve communicating with the through hole, and at least one pressure disposed on the seat body adjacent to the groove portion a flange portion, the pressure portion can be covered in the groove portion; a metal shell for receiving the insulating shell, the metal shell having a sleeve portion and a cover plate, the sleeve of the insulation shell Relatively located in the socket portion, the socket portion has a first opening and a second opening, and the socket portion has at least an opening portion, the cover plate is closed at the second opening, the metal shell The body may be oppositely inserted into a board end connector, and the metal housing is formed with at least one receiving portion opposite to the pressing portion; and a conductive terminal is formed by a combination of in-mold incident molding technology In the housing of the insulative housing, the conductive terminal has a connecting plate, and the connecting plate is located in the seat body, and the connecting plate side has a contact member extending in the sleeve, and the connecting plate is on the other side Forming at least one pressing plate, the pressing plate is located in the groove And the pressing portion, wherein the contact member and the pressing plate are integrally stamped and bent by the connecting plate; wherein the pressing plate has a length equal to or slightly larger than a diameter of a core wire of the coaxial cable to be clamped And the cross section of the contact is equal to or slightly smaller than the cross section of the sleeve. The structure of the coaxial connector of claim 1 is improved, wherein the second opening to the first opening is a first direction, and the first opening to the second opening is a second direction, the insulating housing is self-contained The first direction or the second direction described above is assembled with the metal casing. The structure of the coaxial connector of claim 1 is improved, wherein an inner concavity is formed between the seat body of the insulating housing and the sleeve, and the insulating housing is provided with the second The direction is assembled with the metal housing, and through the inner recess, the insulating housing can pass through the cut-out section of the socket. The structural improvement of the coaxial connector according to any one of claims 1 to 3, wherein the two sides of the cover plate of the metal casing are provided with corresponding first bending arms, second bending arms and third bending arms. The pair of first curved arms can be pressed against the receiving portion. The structural improvement of the coaxial connector according to any one of claims 1 to 3, wherein the pressing plate is bent by the connecting plate toward the same side of the contact member, and the connecting plate is bent and formed with a broken hole. The structure of the coaxial connector according to any one of claims 1 to 3, wherein the other side of the connecting plate is bent upward to form a pressing plate, and the second pressing plate is opposite to the connecting plate. on. The structure of the coaxial connector according to any one of claims 1 to 3, wherein the contact member is formed with at least one arc portion having at least one interval. The structural improvement of the coaxial connector according to any one of claims 1 to 3, wherein the metal housing and the insulating housing are respectively provided with first and second latching members to make the metal shell Positioning with the insulating housing. The structure of the coaxial connector of claim 8 is improved, wherein the first latching member is a groove structure, and the second latching member is a corresponding bump structure; or the first latching member The part is a bump structure, and the second clip is a corresponding groove structure. The structure of the coaxial connector according to any one of claims 1 to 3, wherein the connection between the pressing portion and the seat body has a bent portion which is thinner than the pressing portion.