CN215645067U - BNC female head - Google Patents

Abstract

The utility model discloses a BNC female head, comprising: a housing; an insulating column; the insulating column is arranged in the shell; the welding tray is arranged on the insulating column and extends out of the shell, the welding tray comprises a first welding tray and a second welding tray which are arranged side by side, and a gap is formed between the first welding tray and the second welding tray; the first electrode plate is arranged on the first welding tray and used for being connected with a negative power line of a power line so as to realize the electrical conduction of the negative power line and the first electrode plate; and the second electrode plate is arranged on the second welding tray and is used for connecting a positive power line of the power line so as to realize the electrical conduction of the positive power line and the second electrode plate. The BNC female joint provided by the application can avoid the situation that two electrode plates are connected together by the solder to cause the short circuit of the electrode plates due to the overflow of the solder on the two electrode plates, thereby reducing the risk of the short circuit between the electrode plates.

Description

BNC female head

Technical Field

The utility model relates to the technical field of coaxial cable connectors, in particular to a BNC female connector.

Background

A BNC (Bayonet Neill-connectman) cable connector is composed of a BNC female connector and a power line, and is a standard coaxial cable connector, and the BNC cable connector must be connected to both ends of each cable, and is generally used in video monitoring engineering and network engineering to realize anti-interference connection from equipment to cable or from cable to equipment. At present, the welding type BNC female head is generally available on the market, the power line is required to be manually welded on the terminal of the BNC female head and the shell of the BNC female head by the BNC female head, the connection of the power line and the terminal of the BNC female head and the shell of the BNC female head is realized by a welding mode, the manual operation time is long, the automation degree is low, and the quality problems of insufficient soldering/false soldering and the like can be caused.

In order to overcome the defects, the industry provides a welded BNC female head with a welding tray, and specifically, a power line is welded on an electrode plate on the welding tray and is connected with a terminal of the BNC female head through the electrode plate, so that the purpose of connecting the power line with the terminal of the BNC female head is achieved. Because the welding department of power cord all is on the welding tray, the solder joint law is fit for automated production, again because the power cord is welded with two electrode slices on the welding tray, no longer with shell direct weld for the connection of power cord is more firm, has increased the resistance of buckling of power cord, and the power cord is difficult for droing. However, in the process of respectively welding the positive power line and the negative power line on the two electrode plates on the welding tray, the electrode plates are easy to overflow with solder, so that a plurality of welding points on the electrode plates are connected together by the solder, a phenomenon that the plurality of welding points on the electrode plates are connected occurs, and further, the problem of short circuit of the electrode plates occurs.

SUMMERY OF THE UTILITY MODEL

Based on the above, it is necessary to provide a BNC female connector which avoids short circuit of electrode plates caused by solder connecting two electrode plates together due to overflow of solder on the two electrode plates in the process of soldering the positive power line and the negative power line of the power line to the two electrode plates on the soldering tray, respectively.

A BNC female, comprising:

a housing;

an insulating column; the insulating column is arranged in the shell;

the welding tray is arranged on the insulating column and extends out of the shell, the welding tray comprises a first welding tray and a second welding tray which are arranged side by side, and a gap is formed between the first welding tray and the second welding tray;

the first electrode plate is arranged on the first welding tray and used for being connected with a negative power line of a power line so as to realize electric conduction between the negative power line and the first electrode plate; and

and the second electrode plate is arranged on the second welding tray and used for being connected with a positive power line of a power line so as to realize the electrical conduction of the positive power line and the second electrode plate.

In one embodiment, the welding tray further comprises a connecting seat, the connecting seat is connected to the insulating column and extends out of the shell, and the first welding tray and the second welding tray are arranged on one side of the connecting seat, which is far away from the insulating column, in parallel.

In one embodiment, the first welding tray is provided with a first groove, the first electrode plate is embedded in the first groove, the second welding tray is provided with a second groove, and the second electrode plate is embedded in the second groove.

In one embodiment, the shell comprises an upper shell and a lower shell which are sequentially connected, the shell of the male connector can be sleeved outside the upper shell, the insulating column is arranged in the lower shell, the BNC female connector further comprises an injection molding insulating sleeve, and the injection molding insulating sleeve is arranged outside the lower shell and the welding tray.

In one embodiment, a first protrusion and a second protrusion are arranged on two opposite outer side walls of the upper shell, and the first protrusion and the second protrusion are used for abutting against the inner side wall of the shell of the male head.

In one embodiment, a third protrusion and a fourth protrusion are arranged on two opposite outer side walls of the lower shell, and the third protrusion and the fourth protrusion are used for abutting against the inner side wall of the injection molding insulating sleeve.

In one embodiment, the BNC female connector further comprises a soldering terminal disposed in the insulating column, the soldering terminal comprises a ground terminal and a pin terminal, the ground terminal is connected with the first electrode plate, and the pin terminal is connected with the second electrode plate.

In one embodiment, the BNC female connector further comprises a pin, the pin is disposed in the housing, one end of the pin extends into the insulating column and is connected to the pin terminal, and the other end of the pin is used for connecting a center pin of the male connector, so as to realize electrical connection between the BNC female connector and the male connector.

In one embodiment, the BNC female connector further comprises a connector, the connector is disposed in the insulating column, one end of the connector is connected to the pin terminal, and the other end of the connector is connected to the pin, so as to connect the pin to the pin terminal.

In one embodiment, the BNC female further comprises at least one of:

the front rubber core is arranged in the shell and connected with the insulating column, and the contact pin is arranged in the front rubber core; and

the rear section rubber core is arranged in the insulating column, and the contact pin, the connecting piece and the grounding terminal are arranged in the rear section rubber core.

According to the BNC female connector, the welding tray comprises a first welding tray and a second welding tray which are arranged side by side, a gap is arranged between the first welding tray and the second welding tray, the first electrode plate is arranged on the first welding tray, the second electrode plate is arranged on the second welding tray, when a negative power line and a positive power line of a power line are respectively connected with the first electrode plate and the second electrode plate in a welding mode, because the first welding tray and the second welding tray are arranged side by side and a gap is arranged between the first welding tray and the second welding tray, and an entity cannot be accommodated between the first welding tray and the second welding tray, the situation that the negative power line and the positive power line of the power line are respectively welded on the first electrode plate arranged on the first welding tray and the second electrode plate arranged on the second welding tray can be avoided, short-circuiting of the first and second electrode tabs caused by the first and second electrode tabs being connected together by the solder due to overflow of the solder on the first and second electrode tabs;

and first electrode piece and second electrode piece set up respectively on first welding tray and second welding tray, negative pole power cord and anodal power cord respectively with first electrode piece and second electrode piece direct weld, no longer weld with the shell, make the connection of power cord more firm, be difficult for buckling, the resistance of buckling of power cord has been strengthened, compare in the power cord of traditional BNC female head and the mode of shell direct weld, negative pole power cord and anodal power cord respectively with first electrode piece on the first welding tray and this kind of mode of second electrode piece welded on the second welding tray, the power cord is more difficult for droing, and the solder joint is all on welding tray, the solder joint law, be fit for automated machine production, can reduce manual work time, and the production efficiency is improved.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the structures shown in the drawings without creative efforts.

FIG. 1 is a schematic structural diagram of a BNC female connector in one embodiment;

FIG. 2 is a schematic diagram illustrating another perspective view of a BNC female connector in an embodiment;

FIG. 3 is a cross-sectional view of a BNC female connector in one embodiment;

FIG. 4 is a schematic structural diagram of the housing of the BNC female connector in one embodiment;

FIG. 5 is a schematic diagram of the rubber core of the front section of the BNC female connector in one embodiment;

fig. 6 is a partial structural diagram of a BNC female connector in an embodiment.

Part names and serial numbers in the figure: 1-a housing; 11-an upper shell; 12-a middle shell; 13-a lower shell; 2-welding a tray; 21-a first welding tray; 22-a second welding tray; 3-electrode slice; 31-a first electrode sheet; 32-a second electrode sheet; 4-inserting a pin; 5-rear section rubber core; 6, welding a terminal; 61-ground terminal; 62-pin terminals; 7-an insulating column; 8-front section rubber core; 9-a connector; 10-a first groove; 14-a first projection; 15-a second protrusion; 16 a third projection; 17-a fourth bump; 18-a second groove; 19-a connecting seat; a step 20.

The implementation, functional features and advantages of the objects of the present invention will be further explained with reference to the accompanying drawings.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

It should be noted that all the directional indicators (such as up, down, left, right, front, and rear … …) in the embodiment of the present invention are only used to explain the relative position relationship between the components, the movement situation, etc. in a specific posture (as shown in the drawing), and if the specific posture is changed, the directional indicator is changed accordingly.

In addition, the descriptions related to "first", "second", etc. in the present invention are for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In addition, "and/or" in the whole text includes three schemes, taking a and/or B as an example, including a technical scheme, and a technical scheme that a and B meet simultaneously; in addition, technical solutions between various embodiments may be combined with each other, but must be realized by a person skilled in the art, and when the technical solutions are contradictory or cannot be realized, such a combination should not be considered to exist, and is not within the protection scope of the present invention.

Referring to fig. 1-3, the present application provides a BNC female comprising a housing 1, an insulating column 7, a welding tray 2, a first electrode plate 31 and a second electrode plate 32; the insulating column 7 is arranged in the shell 1; the welding tray 2 is arranged in the insulating column 7 and extends out of the shell 1, the welding tray 2 comprises a first welding tray 21 and a second welding tray 22 which are arranged side by side, a gap is formed between the first welding tray 21 and the second welding tray 22, and no entity is accommodated in the gap; the first electrode plate 31 is arranged on the first welding tray 21, and the first electrode plate 31 is used for connecting a negative power line of a power line so as to realize electrical conduction between the negative power line and the first electrode plate 31; the second electrode sheet 32 is disposed on the second welding tray 22, and the second electrode sheet 32 is used for connecting a positive power line of a power line, so as to electrically connect the positive power line with the second electrode sheet 32.

According to the BNC female connector provided by the application, the welding tray 2 comprises a first welding tray 21 and a second welding tray 22 which are arranged side by side, a gap is arranged between the first welding tray 21 and the second welding tray 22, and no entity is accommodated in the gap, the first electrode sheet 31 is arranged on the first welding tray 21, the second electrode sheet 32 is arranged on the second welding tray 22, when a negative power line and a positive power line of a power line are respectively connected with the first electrode sheet 31 and the second electrode sheet 32 in a welding mode, because the first welding tray 21 and the second welding tray 22 are arranged side by side, and a gap is arranged between the first welding tray 21 and the second welding tray 22, and no entity is accommodated in the gap, therefore, in the process that the negative power line and the positive power line of the power line are respectively welded on the first electrode sheet 31 arranged on the first welding tray 21 and the second electrode sheet 32 arranged on the second welding tray 22, the first and second electrode pads 31 and 32 are connected together by the solder due to overflow of the solder on the first and second electrode pads 31 and 32, causing short-circuiting of the first and second electrode pads 31 and 32. And first electrode piece 31 and second electrode piece 32 set up respectively on first welding tray 21 and second welding tray 22, negative pole power cord and anodal power cord respectively with first electrode piece 31 and second electrode piece 32 direct weld, no longer weld with shell 1, make the connection of power cord more firm, be difficult for buckling, the resistance of buckling of power cord has been strengthened, compare in the power cord of traditional BNC female head and the mode of shell direct weld, negative pole power cord and anodal power cord respectively with this kind of mode of second electrode piece 32 on first electrode piece 31 on the first welding tray 21 and the second welding tray 22 on, the power cord more is difficult for droing, and the solder joint is all on welding tray 2, the solder joint law, be fit for automated machine production, can reduce the manual work time, and the production efficiency is improved.

Referring to fig. 1, in one embodiment, the welding tray 2 further includes a connecting seat 19, the connecting seat 19 is connected to the insulating column 7 and extends out of the housing 1, a first welding tray 21 and a second welding tray 22 are arranged side by side on a side of the connecting seat 19 away from the insulating column 7, and specifically, the connecting seat 19 is integrally formed with the first welding tray 21 and the second welding tray 22.

A step 20 is arranged between the connecting seat 19 and the first welding tray 21 and the second welding tray 22, specifically, the connecting seat 19 is higher than the first welding tray 21 and the second welding tray 22, and the step 20 is arranged to increase the stability of the first welding tray 21 and the second welding tray 22.

The side of the first welding tray 21 provided with the first electrode sheet 31 is flush with the side of the second welding tray 22 provided with the second electrode sheet 32.

Referring to fig. 1 to 3, in one embodiment, a first groove 10 is provided on the first welding tray 21, a first electrode sheet 31 is embedded in the first groove 10, a second groove 18 is provided on the second welding tray 22, and a second electrode sheet 32 is embedded in the second groove 18.

One side of the first electrode sheet 31 departing from the first groove 10 is flush with the side of the first welding tray 21 where the first groove 10 is located, and one side of the second electrode sheet 32 departing from the first groove 18 is flush with the side of the second welding tray 22 where the second groove 18 is located.

Referring to fig. 1 to 3, in one embodiment, the housing 1 includes an upper housing 11 and a lower housing 13 connected in sequence, the housing of the male connector can be sleeved outside the upper housing 11, the insulating column 7 is disposed inside the lower housing 13, and the BNC female connector further includes an injection insulating sleeve, and the injection insulating sleeve is sleeved outside the lower housing 13 and the welding tray 2. The insulating cover of moulding plastics forms through injection moulding, and the insulating cover of moulding plastics can be insulated to electrode slice 3 on welding tray 2, and the user can directly take up the female head of BNC through the insulating cover of should moulding plastics of contact like this, makes things convenient for the installation and the transfer of the female head of BNC, and the insulating cover of moulding plastics can also prevent that electrode slice 3 from droing from welding tray 2.

Further, the inner diameter of the upper housing 11 is larger than the inner diameter of the lower housing 13.

Further, the housing 1 further includes a middle case 12, and the middle case 12 is disposed between the upper case 11 and the lower case 13. In one embodiment, the upper housing 11, the middle housing 12 and the lower housing 13 are integrally formed to facilitate the machining of the housing 1.

Referring to fig. 1, in one embodiment, a first protrusion 14 and a second protrusion 15 are disposed on two opposite outer sidewalls of the upper housing 11, and the first protrusion 14 and the second protrusion 15 are used for abutting against the inner sidewall of the male housing. The first protrusion 14 and the second protrusion 15 are used for abutting and limiting the shell of the male head, and preventing the shell of the male head from falling off from the upper shell 11.

Referring to fig. 2, in one embodiment, a third protrusion 16 and a fourth protrusion 17 are disposed on two opposite outer sidewalls of the lower housing 13, and the third protrusion 16 and the fourth protrusion 17 are configured to abut against inner sidewalls of the injection-molded insulating sleeve. The third bulge 16 and the fourth bulge 17 can support and limit the injection molding insulating sleeve, so that the injection molding insulation can be prevented from falling off from the lower shell 13.

Referring to fig. 3, in one embodiment, the BNC female connector further includes a welding terminal 6, the welding terminal 6 is disposed in the insulating column 7, the welding terminal 6 includes a ground terminal 61 and a pin terminal 62, the ground terminal 61 is connected to the first electrode plate 31, the pin terminal 62 is connected to the second electrode plate 32, specifically, the ground terminal 61 is connected to the first electrode plate 31 as an integral unit, the pin terminal 62 is connected to the second electrode plate 32 as an integral unit, the insulating column 7 abuts against the inner sidewall of the housing 1, for the ground terminal 61 and the pin terminal 62 embedded in the insulating column 7, the insulating column 7 can fix and insulate the pin terminal 62 and the ground terminal 61 from each other, and can insulate the pin terminal 62 and the housing 1 from each other.

Specifically, the housing 1 is made of a metal conductive material, one end of the ground terminal 61 is connected to the first electrode plate 31 on the first welding tray 21, the other end of the ground terminal is short-circuited with the housing 1 to realize electrical conduction between the negative power line and the housing 1, one end of the pin terminal 62 is connected to the second electrode plate 32 on the second welding tray 22, and the other end of the pin terminal is connected to the pin to realize electrical conduction between the positive power line and the pin.

Referring to fig. 3, in one embodiment, the BNC female connector further comprises a pin 4, the pin 4 is disposed in the housing 1, one end of the pin 4 extends into the insulating column 7 and is connected to the pin terminal 62, the other end of the pin 4 is used for connecting to the central pin of the male connector, and the housing 1 is connected to the housing of the male connector to realize the electrical connection between the BNC female connector and the male connector.

Referring to fig. 6, in one embodiment, the BNC female connector further includes a connector 9, the connector 9 is disposed in the insulating column 7, one end of the connector 9 is connected to the pin terminal 62, and the other end of the connector 9 is connected to the pin 4, so as to connect the pin 4 to the pin terminal 62, in one embodiment, the connector 9 is made of copper material, the connector 9 made of copper material has the advantages of excellent conductivity and low cost, and in one embodiment, the connector 9 is a sheet-shaped structure, which can save space and reduce cost.

Referring to fig. 3, in an embodiment, the BNC female connector further includes a front rubber core 8, the front rubber core 8 is disposed in the housing 1 and connected to the insulating column 7, the contact pin 4 is disposed in the front rubber core 8, and further, the front rubber core 8 abuts against the inner side wall of the housing 1, so as to provide precise centering and protection for the contact pin 4 disposed in the front rubber core 8, so that the contact pin 4 is not easily bent, and the service life of the contact pin 4 is prolonged.

Referring to fig. 3, in one embodiment, the BNC female connector further comprises a rear rubber core 5, the rear rubber core 5 is disposed in the insulating column 7, the three of the pin 4, the connector 9 and the ground terminal 61 are disposed in the rear rubber core 5, and the rear rubber core 5 can be used for sealing three components disposed in the rear rubber core 5: the pins 4, the connector 9 and the ground terminal 61 are precisely positioned and protected.

The above description is only a preferred embodiment of the present invention, and not intended to limit the scope of the present invention, and all modifications and equivalents of the technical solutions of the present invention, which are made by using the contents of the present specification and the accompanying drawings, or directly/indirectly applied to other related technical fields, are included in the scope of the present invention.

Claims (10)

1. A BNC female header, comprising:

a housing;

an insulating column; the insulating column is arranged in the shell;

the welding tray is arranged on the insulating column and extends out of the shell, the welding tray comprises a first welding tray and a second welding tray which are arranged side by side, and a gap is formed between the first welding tray and the second welding tray;

the first electrode plate is arranged on the first welding tray and used for being connected with a negative power line of a power line so as to realize electric conduction between the negative power line and the first electrode plate; and

and the second electrode plate is arranged on the second welding tray and used for being connected with a positive power line of a power line so as to realize the electrical conduction of the positive power line and the second electrode plate.

2. The BNC female header according to claim 1, wherein the welding tray further comprises a connecting seat connected to the insulating column and protruding outside the housing, the first welding tray and the second welding tray are disposed side by side on a side of the connecting seat away from the insulating column.

3. The BNC female header according to claim 1, wherein said first welding tray is provided with a first groove in which said first electrode tab is embedded, and said second welding tray is provided with a second groove in which said second electrode tab is embedded.

4. The BNC female connector according to claim 1, wherein said housing comprises an upper housing and a lower housing connected in sequence, the housing of the male connector can be sleeved outside said upper housing, said insulating column is disposed inside said lower housing, said BNC female connector further comprises an injection-molded insulating sleeve, and said injection-molded insulating sleeve is sleeved outside said lower housing and said welding tray.

5. The BNC female connector according to claim 4, wherein a first protrusion and a second protrusion are disposed on two opposite outer sidewalls of said upper housing, and said first protrusion and said second protrusion are configured to abut against the inner sidewalls of the housing of said male connector.

6. The BNC female connector according to claim 4, wherein a third protrusion and a fourth protrusion are disposed on two opposite outer sidewalls of said lower housing, and said third protrusion and said fourth protrusion are configured to abut against the inner sidewalls of said injection-molded insulating sleeve.

7. The BNC female connector according to claim 1, further comprising a solder terminal disposed within said insulating column, said solder terminal comprising a ground terminal connected to said first electrode tab and a pin terminal connected to said second electrode tab.

8. The female BNC header of claim 7, further comprising a pin disposed in said housing, one end of said pin extending into said insulating column and being connected to said pin terminal, and the other end of said pin being used for connecting to a center pin of a male header, so as to achieve electrical connection between said female BNC header and said male header.

9. The BNC female header according to claim 8, further comprising a connector disposed inside said insulating column, wherein one end of said connector is connected to said pin terminal, and the other end of said connector is connected to said pin, so as to connect said pin to said pin terminal.

10. The BNC female of claim 9, further comprising at least one of:

the front rubber core is arranged in the shell and connected with the insulating column, and the contact pin is arranged in the front rubber core; and

the rear section rubber core is arranged in the insulating column, and the contact pin, the connecting piece and the grounding terminal are arranged in the rear section rubber core.

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