CN203205606U - Coaxial connector - Google Patents

Abstract

The utility model discloses a coaxial connector. The coaxial connector comprises a lower housing which is formed with first terminals in an integrated manner, and an upper housing which is formed with second terminals in an integrated manner. The lower housing comprises a thinner first main body portion, and a first reinforcing portion which is formed on the end portion of one side of the first main body portion in an integrated manner and has a thickness which is greater than the thickness of the first main body portion. The upper housing comprises a thinner second main body portion covering onto the first main body portion of the lower housing in a matching manner, and a second reinforcing portion which is formed on the end portion of one side of the second main body portion in an integrated manner and has a thickness which is greater than the thickness of the second main body portion. The first terminals are formed in the first reinforcing portion of the lower housing in an integrated manner, the second terminals are formed in the second reinforcing portion of the upper housing in an integrated manner, the first reinforcing portion and the second reinforcing portion are located on two opposite sides, and the bottom surface of the first reinforcing portion of the lower housing and the bottom surface of the second reinforcing portion of the upper housing are located at a same horizontal plane. According to the utility model, the overall height of the connector can be effectively reduced.

Description

Coaxial connector

Technical field

The utility model relates to the coaxial connector field, espespecially a kind of coaxial connector with switching function.

Background technology

Along with development that can only the lightening trend of mobile phone, various mobile phone spare parts are required that all the reduce product thickness is to design thinner smart mobile phone when guaranteeing product stability.

The People's Republic of China's the 101765947th B patent has disclosed a kind of coaxial switch, comprise the lower casing and the upper casing that adopt the plastic material moulding to form, be held on the second terminal, the first terminal between the upper and lower shell, reach the external conductor that described upper and lower shell is retained in together.Two outsides that described lower casing is relative are provided with terminal groove and the first terminal be used for are installed, are formed with the second terminal and in the middle part of lower casing and accommodate cavity and move to hold described the first terminal.The probe that described upper casing is provided with for described butt connector inserts the hole section that compresses the first terminal, and described upper casing is covered in described lower casing top and described the second terminal, the first terminal are held between the upper and lower shell.Described external conductor covers on upper casing, and externally conductor bottom is held in the lower casing bottom so that described upper and lower shell fixing is integrated in the mode of bending.

Development along with technology, above-mentioned coaxial switch connector exposes following problem: owing to wanting the described the first terminal of clamping, the second terminal between upper and lower shell, must guarantee thickness and the intensity of described upper casing and lower casing, so when guaranteeing coaxial switch stability, the whole height of described coaxial switch is restricted and can't reduces, and is unsuitable for the development trend of connector.And described the second terminal, and the first terminal mode of adopt installing be held between described upper casing and the lower casing, easily loosening, be unfavorable for the stability of product.

The utility model content

The purpose of this utility model is to provide coaxial connector, is a kind of coaxial connector of low clearance specifically.

For this reason, the utility model provides a kind of coaxial connector, comprise the one-body molded lower casing that the first terminal is arranged, the one-body molded upper casing that the second terminal is arranged, and be covered in lower casing and upper casing external conductor peripheral and that lower casing and upper casing fixing are integrated, described lower casing comprises the first thinner main part, and be shaped in the thickness of the first main part one side end greater than the first rib of the first main part, described upper casing comprises that thinner covering is matched with the second main part on the first main part of lower casing, be shaped in the thickness of the second main part one side end greater than the second rib of the second main part, reach the cylindrical portion that is provided with inserting hole that extends upward formation from the second main part end face one, described the first terminal is shaped in the first rib of described lower casing, described the second terminal is shaped in the second rib of described upper casing, described the first rib is in relative both sides with the second rib, the bottom surface of the first rib of described lower casing is concordant with the bottom surface of the first main part, the end face of described the first rib is higher than the end face of described the first main part, the end face of the second rib of described upper casing is concordant with the end face of the second main part, the bottom surface of described the second rib is lower than the end face of described the second main part, the bottom surface of the bottom surface of the first rib of described lower casing and the second rib of upper casing is on the same level, and the end face of the end face of the first rib of described lower casing and the second rib of upper casing is on the same level.

Preferably, described the first terminal comprises the first holding parts, and the first leg of stretching out and form along the bottom surface of described the first rib after the outside bending in the first holding parts bottom, described the second terminal comprises the second holding parts, and the second leg of extending to form towards the opposite direction of the first leg bearing of trend along the bottom surface of described the second rib after the outside bending in the second holding parts bottom.

Preferably, the first main part of described lower casing has extended to form host cavity from the first rib to the opposite side depression, described host cavity connects the first main part and forms peristome at the opposite side of the first rib, described the first main part extends upward perpendicular to the both sides of described the first rib and is formed with protuberance, is formed with draw-in groove between described protuberance and the first rib.

Preferably, the second main part of described upper casing extends to form fixture block in the draw-in groove that is fastened in described lower casing downwards perpendicular to the both sides of described the second rib, is formed with the breach of the two protuberance inboards that are held in described lower casing between described fixture block and described the second rib.

Preferably, described the first terminal also comprises after the bending of the upper end of the first holding parts the elastic arm that extends to form along the peristome place of described host cavity, the terminal downward-sloping extension of described elastic arm and the bottom that is connected to the close peristome place of described host cavity make elastic arm form domes, described the second terminal comprises also that after the bending of the upper end of the second holding parts described contact arm upper punch is pressed and is formed with the circular convex closure that contacts with described elastic arm towards the first terminal direction and the contact arm that is positioned at described elastic arm top that extends to form along the bottom surface of the second main part of described upper casing.

Preferably, described the first terminal also comprises after the bending of the upper end of the first holding parts the contact arm that extends to form along the peristome direction of described host cavity, described the second terminal also comprises the elastic arm below the first terminal direction contact arm that extend to form and that be positioned at described the first terminal after the bending of the upper end of the second holding parts, the end tilts of described elastic arm to downward-extension and be connected to host cavity near the bottom at the first rib place so that elastic arm forms domes, the contact arm upper punch of described the first terminal is pressed the circular convex closure that is formed with described elastic arm butt.

Preferably, the second holding parts place that the bottom surface of the second rib of described upper casing is positioned at the second terminal is provided with the scolding tin accepting groove, the inboard of described scolding tin accepting groove is provided with stage portion, and the peristome place of the host cavity of the described lower casing Extendible flake that is formed with on the stage portion that is connected to described upper casing that stretches out enters host cavity to prevent scolding tin

Preferably, the place, top position that the second main part bottom surface of described upper casing is positioned at described elastic arm is provided with avoiding hollow groove, and the host cavity of the first main part of lower casing is positioned at place, described elastic arm below and is provided with through hole.

Preferably, described coaxial connector is installed on the printed circuit board (PCB), the bottom surface of the first rib of described lower casing, the bottom surface of the first main part, and the bottom surface of the second rib of upper casing be on the same level and contact described printed circuit board (PCB).

Preferably, the end face of the end face of the second main part of described upper casing, the second rib, and the end face of the first rib of lower casing be on the same level.

With respect to prior art, the first rib of the utility model switching mode coaxial connector lower casing and the second rib of upper casing are faced or the contact print circuit board simultaneously, make the first rib that is shaped in thicker, the first terminal in the second rib, the leg that reaches the second terminal extends to and becomes possibility on the printed circuit board (PCB), guaranteed that simultaneously the first terminal and the second terminal take shape in the retain strength in the plastic body, reduced the whole height of connector, the height that is plastic body only is the thickness of the first rib or the second rib, has avoided two defectives that plastic body causes the connector whole height to reduce of stack in the front case.

Description of drawings

Fig. 1 is the solid combination of the utility model coaxial connector.

Fig. 2 is the three-dimensional exploded view of the utility model coaxial connector.

Fig. 3 is the three-dimensional exploded view of another angle of the utility model coaxial connector.

Fig. 4 be the utility model coaxial connector the second terminal, with the figure that cooperates of the first terminal.

Fig. 5 is the stereogram of the lower casing of the utility model coaxial connector.

Fig. 6 is the stereogram of the lower casing of the utility model coaxial connector when being assembled with the first terminal.

Fig. 7 is the stereogram of the upper casing of the utility model coaxial connector.

Fig. 8 is the stereogram of the upper casing of the utility model coaxial connector when being assembled with the second terminal.

Fig. 9 is that the utility model coaxial connector is along the cutaway view of A-A dotted line shown in Figure 1.

Figure 10 is that the utility model coaxial connector is along the cutaway view of B-B dotted line shown in Figure 1.

Figure 11 is that the utility model coaxial connector removes depression angle stereogram behind the external conductor.

Figure 12 is that the utility model coaxial connector removes external conductor layback angle stereogram.

Figure 13 is after the utility model coaxial connector is inserted by the butt connector probe, the change in location figure of the first terminal and the second terminal.

Embodiment

See also Fig. 1 to shown in Figure 4, the utility model coaxial connector includes lower casing 10, upper casing 20, be shaped in the first terminal 40 in the lower casing 10, be shaped in the second terminal 50 in the upper casing 20, and the external conductor 30 that is integrated with described upper casing 20, with lower casing 10 fixings.

See also shown in Figure 4ly, described the first terminal 40 comprises the first vertical holding parts 41, the first leg 42 that forms of stretching out after the 41 lower end approximate vertical bendings of the first holding parts, and the elastic arm 43 that extends to form in the 41 upper end approximate vertical bendings of the first holding parts are backward.The end 44 downward-sloping extensions of described elastic arm 43 make elastic arm 43 roughly form the structure of an arch.

Described the second terminal 50 comprises the second vertical holding parts 51, the second leg 52 that forms of after the 51 lower end approximate vertical bendings of the second holding parts, stretching out, and from the contact arm 53 of the elastic arm that is positioned at described the first terminal 40 43 tops that the backward interior horizontal-extending of the second holding parts 41 upper end approximate vertical bendings forms.Described contact arm 53 is pressed in the face of a side blow of the elastic arm 43 of the first terminal 40 and is formed with circular convex closure 54, and described the second terminal 50 is by elastic arm 43 butts of described circular convex closure 54 with described the first terminal 40.

See also Fig. 2, Fig. 3, Fig. 5, Fig. 6, shown in Figure 12, described lower casing 10 includes the first main part 13, one-body molded and be positioned at the first rib 11 of the first main part 13 1 side ends and be located at host cavity 12 on the first main part 13 middle parts with the first main part 13.Described host cavity 12 is that the other end with respect to the first rib 11 that extends and connect the first main part 13 that begins to cave in of the first main part 13 from the first rib 11 inboards forms, and described host cavity 12 is formed with peristome 19 at the other end with respect to the first rib 13.Described the first main part 13 perpendicular to the both sides of the first rib 11 and be positioned at a end away from the first rib 11 one that makes progress and extended to form protuberance 16, be formed with draw-in groove 14 between described protuberance 16 and described the first rib 11, the horizontal level of described draw-in groove 14 end faces is lower than the horizontal level of described the first main part 13 end faces.The thickness of described the first rib 11 is greater than the thickness of the first main part 13, and the bottom surface of the bottom surface of described the first rib 11 and the first main part 13 roughly is on the same level, and the end face of described the first rib 11 is higher than the end face of the first main part 13.Described the first rib 11 roughly and both end face vertical with described two protuberances 16 roughly is on the same level.The middle part of described host cavity 12 is run through through hole 18 of formation downwards.Peristome 19 places that described the first main part 13 is positioned at host cavity 12 stretch out and are formed with Extendible flake 17.Described the first main part 13 is positioned at that depression is formed with clasp groove 15 on the bottom surface corresponding with two protuberances 16.

Please consult Fig. 6, Fig. 9, shown in Figure 12 by emphasis, described the first terminal 40 is shaped in the described lower casing 10, vertical the first holding parts 41 one-body molded being immobilizated in described the first rib 11 of described the first terminal 40, described the first leg 42 stretches out along the bottom surface of the first rib 11, described elastic arm 43 extends and crosses the through hole 18 of described host cavity 12 middle parts in described accepting groove 12 interior peristome 19 directions towards accepting groove 12 from the first rib 11, and the end 44 of described elastic arm 43 is connected on host cavity 12 bottom surfaces that are positioned at described peristome 19 places.

See also Fig. 2, Fig. 3, Fig. 7, Fig. 8, shown in Figure 13, described upper casing 20 comprises the second main part 23, is shaped in the second rib 21 of the second main part 23 1 side ends, reaches the cylindrical portion 22 that extends upward formation from the second main part 23 end faces.Offer the inserting hole 221 of the host cavity 12 that is communicated to described lower casing 10 in the middle of the described cylindrical portion 22, described inserting hole 221 can supply the probe 6 of butt connector (not shown) to pass through so that the elastic arm 43 of the described the first terminal 40 of described probe 6 downward butts.The thickness of described the second rib 21 is greater than the thickness of described the second main part 23, and the end face of described the second rib 21 is concordant with the end face of described the second main part 23, and the horizontal level of described the second rib 21 bottom surfaces is lower than the horizontal level of described the second main part 23 bottom surfaces.Described the second main part 23 is both sides vertical with the second rib 21 and away from the downward fixture block 24 in the outstanding draw-in groove 14 that forms the first main part 13 that is snapped in described lower casing 10 of the second rib 21 1 ends roughly.Between described fixture block 24 and the second rib 21, be formed with the breach 28 of two protuberances, 16 inboards of the first main part 13 that is fastened in described lower casing 10.The place, elastic arm 43 tops that the bottom surface of described the second main part 23 is positioned at described the first terminal 40 is provided with avoiding hollow groove 25.

Please consult Fig. 8, Fig. 9, shown in Figure 12 by emphasis, described the second terminal 50 is shaped in the described upper casing 20.The second vertical holding parts 51 of described the second terminal 50 is shaped in described the second rib 21, described the second leg 52 stretches out along the bottom surface of the second rib 11 and towards the opposite direction with the first leg 42 bearing of trends of the first terminal 40, and the bottom surface that described contact arm 53 is close to described the second main part 23 extends inwardly to elastic arm 43 tops of the first terminal 40.Vertical the second holding parts 51 places that the second rib 21 bottom surfaces of described upper casing 20 are positioned at the second terminal 50 have been recessed to form scolding tin accepting groove 26, and the bottom surface of described the second rib 21 enters in the described host cavity 12 to prevent scolding tin near the stage portion 27 that the inboard of inserting holes 221 is provided with Extendible flake 17 butts at peristome 19 places of the host cavity 12 of described lower casing 10 at scolding tin accepting groove 26.

See also Fig. 1 to shown in Figure 3, described external conductor 30 comprise end face, second rib 21 of the second main part 23 that is covered in described upper casing 20 end face, and the end face of the first rib 11 of lower casing 10 on plate-like base 31, from plate-like base 31 mid portions extend upward cylindrical portion 22 peripheries of the described upper casing 20 of being coated on of formation cylindrical portion 32, and after plate-like base 31 both sides downward bendings extend the inside holding part 32 on the clasp groove 15 that is fastened in described lower casing 10 bottom surfaces that extends to form of bending again.

See also Fig. 2 to shown in Figure 12, emphasis is consulted Fig. 9, Figure 11, shown in Figure 12, described the first terminal 40, and the second terminal 50 take shape in respectively described lower casing 10, and upper casing 20 after, described upper casing 20 is assembled on the described lower casing 10.The bottom surface of the second main part 23 of described upper casing 20 cooperates with the end face of the first main part 13 of lower casing 10, the fixture block 24 of the second main part 23 both sides of described upper casing 20 is contained in the draw-in groove 14 of the first main part 13 of described lower casing 10, the breach 28 of described upper casing 20 is held in two protuberances, 16 inboards of described lower casing 10, so, upper casing 20 can stably hold the location with lower casing 10.The first rib 11 of described lower casing 10 and the thickness of the second rib 21 of described upper casing 20 are about equally and lay respectively at relative both sides.The end face of the end face of the first rib 11 of described lower casing 10 and the second main part 23 of described upper casing 20, the end face of the second rib 21 roughly are in same level.The bottom surface of the first rib 11 of described lower casing 10, the bottom surface of the first main part 13, with the bottom surface of the second rib 21 of upper casing 20 roughly be in same level and towards or contact print circuit board (not shown).It is interior with described upper casing 20, be integrated with lower casing 10 fixings that described external conductor 30 is held in the clasp groove 15 of described lower casing 10 by holding part 33.

In other embodiments, also described the second terminal 40 can be shaped in the first rib 11 of described lower casing 10, described the first terminal 50 be shaped in the second rib 21 of described upper casing 20.This execution mode does not affect the performance of the utility model switching mode connector.

See also shown in Figure 13, when the probe 6 of described butt connector is interior from the host cavity 12 of the described lower casing of inserting hole 221 interior insertions of described upper casing 20, the elastic arm 43 of the described the first terminal 40 of described probe 6 downward butts also applies downward pressure to elastic arm 43, force elastic arm 43 to produce strain, and then make elastic arm 43 finish the effect of switch switching with contact arm 53 disconnections of described the second terminal 50.

Compared to prior art, the lower casing 10 of coaxial connector of the present utility model comprise the first thinner main part 13 and be shaped in the first main part 13 1 sides and thickness greater than the first rib 11 of the first main part 13, described the first thicker rib 11 is used for one-body molded fixedly the first terminal 40 or the second terminal 50 in the inner; Described upper casing 20 comprise the second main part 23 of thinner the first main part 13 tops that fit in lower casing 10 and be shaped in the second main part 13 1 sides and thickness greater than the second rib 21 of the second main part 23, described the second thicker rib 21 is used for one-body molded fixing described the second terminal 50 or the first terminal 40 in the inner; The first rib 11 of described lower casing 10 and the thickness of the second rib 21 of upper casing 20 about equally and lay respectively at relative both sides, the first main part 13 of described lower casing 10 and gross thickness after the second main part 23 stacks of upper casing 20 cooperate are roughly with described the first rib 11, equate with the thickness of the second rib 21.When guaranteeing that the first terminal 40 and the second terminal 50 take shape in retain strength in the plastic body, reduced the whole height of connector, the height that is plastic body only is the thickness of the first rib 11 or the second rib 21, rather than the stack thickness of lower casing 10 and upper casing 20.

Simultaneously, the utility model coaxial connector is provided with scolding tin accepting groove 26 in moulding place of upper casing 20 and the second terminal 50 or the first terminal 40, and be provided with stage portion 27 at scolding tin accepting groove 26 away from the inboard of the second rib 21, described lower casing 10 stretches out at peristome 19 places of host cavity 12 and is formed with the Extendible flake 17 that is connected on the described stage portion 27 and enters in the described host cavity 12 to prevent scolding tin, avoids scolding tin to enter and causes properties of product to descend.

And the middle part of the host cavity 12 of the first main part 13 of described lower casing 10 is provided with through hole 221, when the probe 6 of described butt connector pushes the elastic arm 43 of described the first terminal 40 downwards, can be more conducive to described elastic arm 43 deformation.

And, the top that the bottom surface of the second main part 23 of described upper casing 20 is positioned at the elastic arm 43 of the first terminal 40 is provided with avoiding hollow groove 25, so design can reduce the required precision to plastic rubber shaping technique, prevents plastic rubber shaping craft precision variation issue and the problem generation that causes the first terminal 40 and the second terminal 50 to contact.

Claims (10)

1. coaxial connector, comprise the one-body molded lower casing that the first terminal is arranged, the one-body molded upper casing that the second terminal is arranged, and be covered in lower casing and upper casing external conductor peripheral and that lower casing and upper casing fixing are integrated, it is characterized in that: described lower casing comprises the first thinner main part, and be shaped in the thickness of the first main part one side end greater than the first rib of the first main part, described upper casing comprises that thinner covering is matched with the second main part on the first main part of lower casing, be shaped in the thickness of the second main part one side end greater than the second rib of the second main part, reach the cylindrical portion that is provided with inserting hole that extends upward formation from the second main part end face one, described the first terminal is shaped in the first rib of described lower casing, described the second terminal is shaped in the second rib of described upper casing, described the first rib is in relative both sides with the second rib, the bottom surface of the first rib of described lower casing is concordant with the bottom surface of the first main part, the end face of described the first rib is higher than the end face of described the first main part, the end face of the second rib of described upper casing is concordant with the end face of the second main part, the bottom surface of described the second rib is lower than the end face of described the second main part, the bottom surface of the bottom surface of the first rib of described lower casing and the second rib of upper casing is on the same level, and the end face of the end face of the first rib of described lower casing and the second rib of upper casing is on the same level.

2. coaxial connector as claimed in claim 1, it is characterized in that: described the first terminal comprises the first holding parts, and the first leg of stretching out and form along the bottom surface of described the first rib after the outside bending in the first holding parts bottom, and described the second terminal comprises the second holding parts, and the second leg of extending to form towards the opposite direction of the first leg bearing of trend along the bottom surface of described the second rib after the outside bending in the second holding parts bottom.

3. coaxial connector as claimed in claim 2, it is characterized in that: the first main part of described lower casing has extended to form host cavity from the first rib to the opposite side depression, described host cavity connects the first main part and forms peristome at the opposite side of the first rib, described the first main part extends upward perpendicular to the both sides of described the first rib and is formed with protuberance, is formed with draw-in groove between described protuberance and the first rib.

4. coaxial connector as claimed in claim 3, it is characterized in that: the second main part of described upper casing extends to form fixture block in the draw-in groove that is fastened in described lower casing downwards perpendicular to the both sides of described the second rib, is formed with the breach of the two protuberance inboards that are held in described lower casing between described fixture block and described the second rib.

5. coaxial connector as claimed in claim 3, it is characterized in that: described the first terminal also comprises after the bending of the upper end of the first holding parts the elastic arm that extends to form along the peristome place of described host cavity, the terminal downward-sloping extension of described elastic arm and the bottom that is connected to the close peristome place of described host cavity make elastic arm form domes, described the second terminal comprises also that after the bending of the upper end of the second holding parts described contact arm upper punch is pressed and is formed with the circular convex closure that contacts with described elastic arm towards the first terminal direction and the contact arm that is positioned at described elastic arm top that extends to form along the bottom surface of the second main part of described upper casing.

6. coaxial connector as claimed in claim 3, it is characterized in that: described the first terminal also comprises after the bending of the upper end of the first holding parts the contact arm that extends to form along the peristome direction of described host cavity, described the second terminal also comprises the elastic arm below the first terminal direction contact arm that extend to form and that be positioned at described the first terminal after the bending of the upper end of the second holding parts, the end tilts of described elastic arm to downward-extension and be connected to host cavity near the bottom at the first rib place so that elastic arm forms domes, the contact arm upper punch of described the first terminal is pressed the circular convex closure that is formed with described elastic arm butt.

7. coaxial connector as claimed in claim 3, it is characterized in that: the second holding parts place that the bottom surface of the second rib of described upper casing is positioned at the second terminal is provided with the scolding tin accepting groove, the inboard of described scolding tin accepting groove is provided with stage portion, and the peristome place of the host cavity of the described lower casing Extendible flake that is formed with on the stage portion that is connected to described upper casing that stretches out enters host cavity to prevent scolding tin.

8. such as claim 5 or 6 described coaxial connectors, it is characterized in that: the place, top position that the second main part bottom surface of described upper casing is positioned at described elastic arm is provided with avoiding hollow groove, and the host cavity of the first main part of lower casing is positioned at place, described elastic arm below and is provided with through hole.

9. coaxial connector as claimed in claim 1, it is characterized in that: described coaxial connector is installed on the printed circuit board (PCB), the bottom surface of the first rib of described lower casing, the bottom surface of the first main part, and the bottom surface of the second rib of upper casing be on the same level and contact described printed circuit board (PCB).

10. coaxial connector as claimed in claim 1 is characterized in that: the end face of the second main part of described upper casing, the end face of the second rib, and the end face of the first rib of lower casing be on the same level.

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